HomeMy WebLinkAbout10039_ASI 3 2.3.11 2 of 2.pdfDAVITA DIALYSIS CLINIC
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TABLE OF CONTENTS 15 p1
DIVISION 15 - MECHANICAL
SECTION 15A - GENERAL REQUIREMENTS
15A-1 CONTRACT DOCUMENTS ........................................................................................................ 1
15A-2 SPECIFICATION FORM AND DEFINITIONS .............................................................................. 1
15A-3 GENERAL EXTENT OF WORK .................................................................................................. 1
15A-4 LOCAL CONDITIONS ................................................................................................................. 1
15A-5 CODES, ORDINANCES, RULES AND REGULATIONS .............................................................. 2
15A-6 CONTRACT CHANGE ................................................................................................................ 2
15A-7 LOCATIONS AND INTERFERENCES ........................................................................................ 3
15A-8 SYSTEM PERFORMANCE ......................................................................................................... 4
15A-9 WARRANTY ............................................................................................................................... 4
15A-10 MATERIALS, EQUIPMENT AND SUBSTITUTIONS .................................................................... 4
15A-11 SHOP DRAWINGS, OPERATION AND MAINTENANCE INSTRUCTION.................................... 5
15A-12 CUTTING AND PATCHING ........................................................................................................ 6
15A-13 MUTILATION .............................................................................................................................. 6
15A-14 EXCAVATION AND BACKFILL ................................................................................................... 6
15A-15 SETTING, ADJUSTMENT AND EQUIPMENT SUPPORTS ......................................................... 7
15A-16 START-UP, CHANGE-OVER, TRAINING AND OPERATIONAL CHECK .................................... 7
15A-17 OWNER'S FINAL CONSTRUCTION REVIEW ............................................................................ 7
15A-18 PAINTING OF MATERIALS AND EQUIPTMENT ........................................................................ 7
15A-19 MAINTENANCE OF SYSTEMS .................................................................................................. 7
15A-20 FILTERS ..................................................................................................................................... 8
15A-21 CLEANING OF SYSTEM AND EQUIPMENT .............................................................................. 8
15A-22 STERILIZATION OF DOMESTIC WATER SYSTEM ................................................................... 8
15A-23 PIPING IDENTIFICATION ........................................................................................................... 8
15A-24 VALVE IDENTIFICATION ........................................................................................................... 9
15A-25 PIPE SLEEVES .......................................................................................................................... 9
15A-26 PIPING MATERIALS AND FITTINGS.......................................................................................... 9
15A-27 PIPING FITTINGS .................................................................................................................... 10
15A-28 INSULATING UNIONS AND FLANGES .................................................................................... 11
15A-29 STRAINERS ............................................................................................................................. 11
15A-30 UNIONS.................................................................................................................................... 11
15A-31 PIPING INSTALLATION ............................................................................................................ 12
15A-32 VALVES AND INSTALLATION .................................................................................................. 13
15A-33 VALVES.................................................................................................................................... 14
15A-34 PIPE HANGERS AND SUPPORTS ........................................................................................... 14
15A-35 PRESSURE GAUGES .............................................................................................................. 16
15A-36 DIAL THERMOMETERS ........................................................................................................... 16
15A-37 PRESSURE GAGE AND THERMOMETER CABINETS ............................................................ 17
15A-38 TESTING PROCEDURES......................................................................................................... 17
15A-39 PIPING AND EQUIPMENT INSULATION .................................................................................. 18
15A-40 DUCTWORK INSULATION ....................................................................................................... 19
15A-41 ELECTRICAL REQUIREMENTS ............................................................................................... 20
15A-42 RECORD DOCUMENTS ........................................................................................................... 21
SECTION 15B - PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING
15B-1 PIPING SYSTEMS MATERIALS ................................................................................................. 1
15B-2 PIPING SYSTEMS VALVES ....................................................................................................... 1
15B-3 PIPING SYSTEMS INSULATION ................................................................................................ 1
15B-4 DUCTWORK INSULATION ......................................................................................................... 2
15B-5 SCHEDULE OF FIXTURE BRANCHES ...................................................................................... 2
15B-6 ADJUSTMENT AND BALANCING .............................................................................................. 2
15B-7 DRAINS, FLOOR SINKS, DOWNSPOUT NOZZLES, ETC. ......................................................... 2
15B-8 CLEANOUTS .............................................................................................................................. 3
15B-9 SHOCK ABSORBERS ................................................................................................................ 3
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TABLE OF CONTENTS 15 p2
15B-10 PLUMBING FIXTURES ............................................................................................................... 3
15B-11 OPENINGS ................................................................................................................................. 4
15B-12 ACCESS PANELS ...................................................................................................................... 4
15B-13 SHEET METAL WORK ............................................................................................................... 5
15B-14 SHEET METAL SPECIALTIES .................................................................................................... 6
15B-15 GRILLES, REGISTERS AND DIFFUSERS ................................................................................. 7
15B-16 AIR SYSTEMS TESTING AND BALANCING .............................................................................. 8
15B-17 GAS-FIRED ROOFTOP UNITS WITH DX COOLING .................................................................. 8
15B-18 THERMOSTATS, CONTROLS, AND SEQUENCE OF OPERATION ......................................... 11
15B-19 EXHAUST FANS ...................................................................................................................... 12
15B-20 WATER HEATERS ................................................................................................................... 12
15B-21 TESTING AND BALANCING PREPARATION ........................................................................... 13
SECTION 15C – FIRE SPRINKLER SYSTEM
15C-1 GENERAL ................................................................................................................................. 1
15C-2 SCOPE ....................................................................................................................................... 1
15C-3 FEES AND PERMITS ................................................................................................................ 1
15C-4 PROTECTION OF WORK .......................................................................................................... 1
15C-5 SUBMITTALS AND APPROVALS ............................................................................................... 1
15C-6 CODES AND ORDINANCES ..................................................................................................... 2
15C-7 ACCEPTABLE MANUFACTURERS . .......................................................................................... 2
15C-8 QUALIFICATION OF SPRINKLER CONTRACTOR .................................................................... 2
15C-9 TESTING AND FLUSHING OF SYSTEM ................................................................................... 2
15C-10 EQUIPMENT AND MATERIALS ................................................................................................. 2
15C-11 SPRINKLER HEADS .................................................................................................................. 2
15C-12 SPARE HEADS .......................................................................................................................... 3
15C-13 DESIGN AND CALCULATION ................................................................................................... 3
15C-14 MISCELLANEOUS EXECUTION ............................................................................................... 3
15C-15 INSPECTIONS AND TESTING .................................................................................................. 3
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GENERAL REQUIREMENTS 15A-1
DIVISION 15 - MECHANICAL
SECTION 15A - GENERAL REQUIREMENTS
15A-1 CONTRACT DOCUMENTS:
a) All contract documents including drawings, alternates, addenda and modifications preceding this
Specification division are applicable to Mechanical Contractor and his subcontractors, and material
suppliers.
15A-2 SPECIFICATION FORM AND DEFINITIONS:
a) These Specifications are abbreviated form and contain incomplete sentences. Omissions of words or
phrases such as "the Contractor shall", "shall be", "as noted on the Drawings", "according to the
drawings", "a", "an", "the", and "all" are intentional. Omitted words and phrases shall be supplied by
inference.
b) When a word such as "proper", "satisfactory", "equivalent", and "as directed" is used, it requires
Engineer's review.
c) "Provide" means furnish and install.
d) "Working Day" wherever used in these Specifications shall mean the normal working days, Monday
through Friday, exclusive of Saturday, Sunday and federally observed holidays.
e) Architect - Engineer hereinafter abbreviated A/E shall mean both the Design Architects and the
Design Engineers.
f) Design Engineer hereinafter abbreviated D/E shall mean the engineering firm, MALONE FINKLE
ECKHARDT & COLLINS, INC., 8700 Indian Creek Parkway, Suite 180, Overland Park, KS 65804,
Telephone (913) 322-1400. Contact person: Brian Clark.
g) General Contractor hereinafter abbreviated G/C shall mean the person or company and their
subcontractors who enter into contract with the Owner to perform the general division work.
h) Electrical Contractor hereinafter abbreviated E/C shall mean the person or company and their
subcontractors who enter into contract with the G/C to perform the electrical division work.
i) Mechanical Contractor hereinafter abbreviated M/C shall mean the person or company and their
subcontractors who enter into contract with the G/C to perform the mechanical division work.
j) Equipment and/or materials manufacturer hereinafter abbreviated E/M shall mean the manufacturer
of equipment or materials specified or referred to.
15A-3 GENERAL EXTENT OF WORK:
a) Provide mechanical systems indicated on drawings, specified or reasonably implied. Provide every
device and accessory necessary for proper operation and completion of mechanical systems. In no
case will claims for "Extra Work" be allowed for work about which M/C could have informed himself
before bids were taken.
b) M/C shall familiarize himself with equipment provided by other contractors, which require mechanical
connections and controls.
15A-4 LOCAL CONDITIONS:
a) Visit site and determine existing local conditions affecting work in contract.
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GENERAL REQUIREMENTS 15A-2
b) Failure to determine site conditions or nature of existing or new construction will not be considered a
basis for granting additional compensation.
15A-5 CODES, ORDINANCES, RULES AND REGULATIONS:
a) Provide work in accordance with applicable codes, rules, ordinances, and regulations of Local, State
and Federal Governments and other Authorities Having lawful Jurisdiction (AHJ).
b) Conform to latest editions and supplements of following codes, standards, or recommended practices
as adopted by the AHJ.
CITY CODES:
1. 2006 International Building Code
2. 2006 International Mechanical Code
3. 1999 Indiana Plumbing Code
4. ASHRAE 90.1-2007 – Energy Code
SAFETY CODES:
1. National Electric Safety Code Handbook H30- National Bureau of Standards.
2. Occupational Safety and Health Standards - Department of Labor.
3. Specifications for Making Buildings and Facilities Accessible To, and Usable By, the Physically
Handicapped - American National Standards Institute ANSI Al 17.1.
NATIONAL FIRE CODES:
1. NFPA No. 54 Gas Appliance and Gas Piping Code.
2. NFPA No. 70 National Electric Code - 2008 Edition.
3. NFPA No. 89M Clearances, Heat Producing Appliances.
4. NFPA No. 90A Air Conditioning and Ventilation Systems.
5. NFPA No. 91 Blower and Exhaust Systems.
6. NFPA No. 101 Life Safety Code - 2008 Edition.
c) Where following standards are applicable to equipment specified, equipment shall conform to
requirements of standard and shall display the appropriate seal or seals:
1. AGA - The American Gas Association Laboratories.
2. ASME - American Society of Mechanical Engineers.
3. NSF National Sanitation Foundation.
4. UL Underwriters Laboratories Inc.
d) Drawings and Specifications indicate minimum construction standards, but should any work indicated
be sub-standard to any ordinances, laws, codes, rules or regulations bearing on work. Contractor
shall execute work in accordance with such ordinances, laws, codes rules or regulations without
increased cost to Owner, but not until he has referred such variances to A/E for approval.
e) M/C shall secure and pay for necessary permits and certificates of inspection required by
governmental ordinances, laws, rules or regulations. Keep a written record of all permits and
inspection certificates and submits two (2) copies to A/E with request for final inspection.
15A-6 CONTRACT CHANGE:
a) Changes or deviations from contract; including those for extra or additional work must be submitted in
writing for review of A/E. No verbal orders will be recognized.
b) Changes in the work shall be submitted in accordance with AIA Document A201, General Conditions
of the Contract for Construction.
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GENERAL REQUIREMENTS 15A-3
c) All change proposals shall be itemized indicating separately the costs for materials, labor, restocking
changes, freight, bonds, insurance, overhead, and profit. All materials shall be listed separately with
quantities and individual unit prices. Labor fac tors shall be from a nationally recognized source with
appropriate adjustment factors. If proposals are not itemized they will be rejected and returned for
proper submittal.
d) The maximum allowable profit for any change order shall be ten percent (10%).
e) See Example below.
PRICING SHEET
Project: DaVita Dialysis Center
Location: CARMEL, IN Date: August 11, 2010
Labor Rates: $22.00 Estimator: Jane Doe
Unit Material Man Hours Total Material
Material Units Measure Per Unit Per Unit Man Hours Total
6” Tee 1 ea. $45.00 2.000 2.0 $ 45.00
less 6” ell 1 ea. $30.00 0.000 0.0 $ 30.00
6” sch 40 pipe 15 ft. $10.43 0.253 3.8 $ 56.45
6” cap 1 ea. $11.00 1.500 1.5 $ 11.00
6” hanger 1 ea. $12.00 0.400 0.4 $ 12.00
4” saddle weld 1 ea. $ 0.00 1.200 1.2 $ 0.00
4” sch 40 18 ft. $ 4.44 0.183 3.3 $ 79.92
4” ell 3 ea. $13.39 2.000 6.0 $ 40.17
4” hanger 3 ea. $ 8.00 0.300 0.9 $ 24.00
4” weld 1 ea. $ 3.00 1.000 1.0 $ 3.00
1 ½” cond sch 80 21 ft. $ 1.63 0.080 1.7 $ 34.23
1 ½” ell 3 ea. $ 4.00 0.400 1.2 $ 12.00
1 ½” tee 1 ea. $ 5.00 0.600 0.6 $ 5.00
1 ½” weld 1 ea. $ 3.00 0.400 0.4 $ 3.00
¾” F & T trap 1 ea. $73.00 0.500 0.5 $ 73.00
¾” strainer 1 ea. $12.00 0.500 0.5 $ 12.00
¾: XH nipples 4 ea. $ 7.70 0.100 0.4 $ 30.80
¾” unions 2 ea. $ 3.18 0.300 0.6 $ 6.36
¾” cap 1 ea. $ 0.65 0.100 0.1 $ 0.65
¾” pipe sch 80 10 ft. $ 0.72 0.040 0.4 $ 7.20
¾” tee 1 ea. $ 1.50 0.300 0.3 $ 1.50
¾” ell 3 ea. $ 0.95 0.200 0.6 $ 2.85
¾” hanger 2 ea. $ 2.50 0.200 0.4 $ 5.00
SUBTOTAL 28.4 $618.47
SALES TAX 6.125% $ 37.88
LABOR 28.4 MH $22.00 $624.80
5% OVERHEAD $ 64.06
8% PROFIT $107.62
TOTAL $1,452.83
15A-7 LOCATIONS AND INTERFERENCES:
a) Locations of equipment, piping and other mechanical work is indicated diagrammatically by
mechanical drawings. Determine exact locations on job, subject to structural conditions, work of other
Contractors, access requirements for installation and maintenance and to approval of A/E.
b) Study and become familiar with contract drawings of other trades and in particular the general
construction plans and details to obtain necessary information for figuring installation. Cooperate with
other workmen and install work to avoid interference with their work. Minor deviations, not affecting
design characteristics, performance or space limitations may be permitted if reviewed by A/E prior to
installation.
c) Any pipe, apparatus, appliance or other item interfering with proper placement of other work as
indicated on drawings, specified, or required, shall be removed and if so shown, relocated and
reconnected without extra cost. Damage to other work caused by this Contractor, his subcontractor,
or his workmen shall be restored as specified for new work.
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GENERAL REQUIREMENTS 15A-4
d) Do not scale mechanical and electrical drawings for dimensions. Accurately lay out work from
dimensions indicated on architectural drawings unless such is found in error.
15A-8 SYSTEM PERFORMANCE:
a) Final acceptance of work shall be subject to the condition that all systems, equipment, apparatus, and
appliances operate satisfactorily as designed and intended, work shall include required adjustment of
systems and control equipment installed under this Specification.
15A-9 WARRANTY:
a) M/C warrants to Owner and Architect the quality of materials, equipment, workmanship and operation
of equipment provided under this Specification division for a period of one (1) year from and after date
of substantial completion of building and acceptance of mechanical systems by Owner.
b) Where manufacturers' warranties expire during the one-year warranty period, one (1) year warranty
period is defined as year after date of substantial completion, M/C shall include provisions for
extending warranty for the full one (1) year period and shall include cost for warranty extension in his
base bid.
c) M/C warrants to Owner and Architect that on receipt of written notice from either of them within one
(1) year warranty period following date of acceptance all defects that have appeared in materials
and/or workmanship, shall be promptly corrected to condition required by contract documents at
M/C's expense.
d) The above warranty shall not supersede any separately stated warranty or other requirements
required by law or by these Specifications.
e) If the Architect’s specification includes a warranty that exceeds the above warranty requirements, the
Architect’s warranty shall take precedence.
15A-10 MATERIALS, EQUIPMENT AND SUBSTITUTIONS:
a) The intent of these Specifications is to allow ample opportunity for M/C to use his ingenuity and
abilities to perform the work to his and the Owner's best advantage, and to permit maximum
competition in bidding on standards of materials and equipment required.
b) Material and equipment installed under this contract shall be first class quality, new, unused, and
without damage.
c) In general these Specifications identify required materials and equipment by naming first the
manufacturer whose product was used as the basis for the project design and specifications. The
manufacturer’s product, series, model, catalog and/or identification numbers shall set quality and
capacity requirements for comparing the equivalency of other manufacturer's products. Where other
manufacturer's names are listed they are considered an approved manufacturer for the product
specified; however, the listing of their names implies no prior approval of any product they may
propose to furnish as equivalent to the first named product unless specific model or catalog numbers
are listed in these Specifications or in subsequent addenda. Where other than first named products
are used for M/C's base bid proposal it shall be his responsibility to determine prior to bid time that his
proposed materials and equipment selections are products of approved manufacturers, that will meet
or exceed the specifications and are acceptable to the D/E.
d) Where materials or equipment are described but not named, provide required items of first quality,
adequate in every respect for intended use. Such items shall be submitted to A/E for review prior to
procurement.
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GENERAL REQUIREMENTS 15A-5
e) PRIOR TO RECEIPT OF BIDS, IF M/C WISHES TO INCORPORATE PRODUCTS OTHER THAN
THOSE NAMED IN SPECIFICATIONS IN HIS BASE BID, HE SHALL SUBMIT A WRITTEN
REQUEST FOR REVIEW OF SUBSTITUTIONS TO D/E NOT LESS THAN SEVEN WORKING
DAYS PRIOR TO BID TIME. D/E WILL REVIEW REQUESTS AND ACCEPTABLE ITEMS WILL BE
LISTED IN AN ADDENDUM ISSUED TO PRINCIPAL BIDDERS.
f) Materials and equipment proposed for substitutions shall be equal to or superior to that specified in
construction, efficiency, utility, aesthetic design, and color as determined by A/E whose decision shall
be final and without further recourse. Physical size of substitute brand shall be no larger than space
provided including allowances for access for installation and maintenance. Requests must be accom-
panied by two (2) copies of complete descriptive and technical data including E/M's name, model, and
catalog number, photographs or cuts, physical dimensions, operating characteristics and any other
information needed for comparison.
g) In proposing a substitution prior to or subsequent to receipt of bids, include in such proposal cost of
altering other elements of project, including adjustments in mechanical-electrical service requirements
necessary to accommodate such substitution; whether such affected elements be under this contract
or under separate contracts.
h) Within seven (7) working days after bids are received, apparent low bidder shall submit to A/E for
approval three (3) copies of a list of all major items of equipment he intends to provide. As soon as
practicable and within 30 working days after award of Contract, M/C shall submit shop drawings for
equipment and materials to be incorporated in work, for A/E review. Where 30 day limit is insufficient
for preparation of detailed shop drawings on major equipment or assemblies, M/C shall submit manu-
facturer's descriptive catalog data and indicate date such detailed shop drawings will be submitted
along with manufacturer's certification that order was placed within 30 working day limit.
i) After execution of contract, substitution of product brands for those named in Specifications will be
considered, only if; 1) request is received within 30 working days after Contract date and request
includes statement showing credit due Owner, if any, if substitution products are used, or 2) Owner
requests consideration be given to substitute brands.
15A-11 SHOP DRAWINGS, OPERATION AND MAINTENANCE INSTRUCTION:
a) M/C shall furnish a minimum of six (6) sets of shop drawings of all materials and equipment, Engineer
will retain one (1) set.
b) Where catalog cuts are submitted for review, conspicuously mark or provide schedule of equipment,
capacities, controls, fittings, sizes, etc. that are to be provided. Mark each submitted item with
applicable section and paragraph numbers of these Specifications, OR PLAN SHEET NUMBER
when item does not appear in specifications. Where equipment submitted does not appear in base
specifications of specified equivalent, mark submittals with applicable alternate numbers, change
order numbers, change order number or letters of authorization. Each submittal shall contain at least
two (2) sets of original catalog cuts. Each catalog sheet shall bear E/M's name and address. All shop
drawings on materials and equipment listed by UL shall indicate UL approval on submittal.
c) M/C shall check all shop drawings to verify that they meet specifications and/or drawing requirements
before forwarding submittals to the A/E for their review. All shop drawings submitted to A/E shall bear
M/C approval stamp which shall indicate that M/C has reviewed submittals and that they meet
specification and/or drawing requirements. M/C's submittal review shall specifically check for but not
be limited to the following: equipment capacities; physical size in relation to space allowed; electrical
characteristics; provisions for supply, return, and drainage connections to building systems. All shop
drawings not meeting M/C's approval shall be returned to his supplier for re-submittal.
d) No shop drawings submittals will be considered for review by the A/E without M/C's approval stamp,
or that have extensive changes made on the original submittal as a result of Contractor's review. All
comments or minor notations on shop drawings shall be flagged as follows to indicate originator of
comment or notation: 1 Contractor, 2 Construction Manager, 3 Architect, 4 Engineer.
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GENERAL REQUIREMENTS 15A-6
e) A/E will not be responsible for the cost of returning shop drawing submittals that are submitted to
them without M/C's review and approval stamp. A letter will be sent to M/C by either the Architect or
Engineer indicating receipt of an improper submittal. M/C shall acknowledge receipt of letter and
indicate his plans for pick-up or resubmitting. A/E will hold improper submittals for pick-up by M/C or
supplier for 15 working days after date of receipt. If not picked up by the 16th working day, submittals
will be disposed of by A/E.
f) A/E's review of shop drawings will not relieve M/C of responsibility for deviations from drawings and
specifications unless such deviations have been specifically approved in writing by Owner of his
representative, nor shall it relieve M/C of responsibility for errors in shop drawings. No work shall be
fabricated until A/E's review has been obtained. Any time delay caused by correcting and
resubmitting shop drawings will be M/C's responsibility.
g) Operating and Maintenance Instructions:
1. Submit with shop drawings of equipment copies of installation, operating, maintenance
instructions, and parts lists for equipment provided. Instructions shall be prepared by E/M.
2. Keep in safe place, keys and wrenches furnished with equipment under this contract. Present to
Owner and obtain a receipt for same upon completion of project.
3. Contractor shall provide all final documents including drawings, shop drawings, etc. in pdf format
on a single disk to Owner. A total of five (5) CD’s shall be provided, three (3) to the Owner and
two (2) to A/E. No exceptions will be allowed to this requirement. Videotaping, as specified in
other parts of this Specification, will also be required at closeout.
15A-12 CUTTING AND PATCHING:
a) M/C shall do cutting and patching of building materials required for installation of work herein
specified. Cut no structural members without Architect's approval and in a manner approved by him.
b) Patching shall be by mechanics of particular trade involved and shall meet approval of Architect.
c) Drilling and cutting of openings through building materials requires Architect's review and approval.
Make openings in concrete with concrete hole saw or concrete drill. Do not use star drill or air
hammer for this work.
15A-13 MUTILATION:
a) Mutilation of building finishes, caused by installation of mechanical equipment, fixtures, piping and
other mechanical devices shall be repaired at M/C's expense to approval of Architect.
15A-14 EXCAVATION AND BACKFILL:
a) Perform necessary excavating to receive work. Provide necessary sheathing, shoring, cribbing,
tarpaulins, etc. as required and remove same at completion of work. Perform excavation in
accordance with appropriate section of these Specifications, and in compliance with OSHA Safety
Standards.
b) Excavate trenches of sufficient width to allow ample working space, and no deeper than necessary
for installation work.
c) Conduct excavations so no walls or footings are disturbed or injured. Backfill excavations made under
or adjacent to footings with selected earth or sand and tamp to compaction required by A/E.
Mechanically tamp backfill under concrete and pavings in 6-inch layers to 95 percent standard
density.
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GENERAL REQUIREMENTS 15A-7
d) Backfill trenches and excavations to required heights with allowance made for settlement. Tamp fill
material thoroughly and moistened as required for specified compaction density. Dispose of excess
earth, rubble, and debris as directed by Architect.
e) When available, refer to test hole information on Architectural drawings or specifications for types of
soil to be encountered in excavation in base bid.
15A-15 SETTING, ADJUSTMENT AND EQUIPMENT SUPPORTS:
a) Work shall include mounting, alignment and adjustment of systems and equipment.
b) Set equipment level on adequate foundations and provide proper anchor bolts and isolation as
shown, specified, or required by E/M's installation instructions.
c) Provide concrete bases for all floor and slab mounted equipment. Refer to drawings for required base
type and size. Provide 3.5-inch high base where base is not shown on drawings.
15A-16 START-UP, CHANGE-OVER, TRAINING AND OPERATIONAL CHECK:
a) M/C shall perform initial start-up of systems and equipment and shall provide necessary supervision
and labor to make first seasonal changeover of systems. Personnel qualified to start-up and service
this equipment, including E/M's technicians when specified, and Owner's operating personnel shall be
present during these operations.
15A-17 OWNER’S FINAL CONSTRUCTION REVIEW:
a) All necessary system adjustments including air and water systems balancing shall be completed and
all specified records and reports submitted in sufficient time to be received by A/E at least ten (10)
working days prior to date of final construction review.
b) At final construction review, M/C and his major subcontractors shall be present or shall be
represented by a person of authority. Each Contractor shall demonstrate, as directed by A/E, that his
work complies with purpose and intent of plans and Specifications. Respective Contractor shall
provide labor, services, instruments, or tools necessary for such demonstrations and tests.
15A-18 PAINTING OF MATERIALS AND EQUIPMENT:
a) Equipment and materials exposed to interior dry environment shall have a minimum of one (1) primer
and one (1) finish coat. Equipment and materials mounted in exterior location shall have a minimum if
one (1) primer and two (2) finish coats with total thickness of at least 5 mils. Finish coat colors in
finish areas shall be as selected by A/E.
b) After installation, damage to painted surfaces shall be properly prepared and primed with primers
equal to factory materials. Finish coating shall be same color and type as factory finish.
c) Where extensive refinishing of factory applied finishes is required, equipment shall be completely
repainted. A/E will make final determination on extent of refinishing required.
d) Paint all exterior natural gas piping with one primer coat and two (2) finish coats.
15A-19 MAINTENANCE OF SYSTEMS:
a) M/C shall be responsible for operation, maintenance, and lubrication of equipment installed under his
contract.
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GENERAL REQUIREMENTS 15A-8
15A-20 FILTERS:
a) Provide temporary throw-away filters in all permanent heating and air conditioning equipment
systems being utilized during construction. Prior to testing and balancing systems remove temporary
filter media and install clean unused filters of the type specified. Clean filters shall be installed in
equipment for final acceptance inspection by A/E.
b) Unless shown or specified otherwise, provide Farr 30-30 filters, MERV 7 minimum filter efficiency.
15A-21 CLEANING OF SYSTEM AND EQUIPMENT:
a) After pressure testing of systems and equipment and before operational test thoroughly clean
interiors of piping and equipment.
b) Clean equipment as recommended by manufacturers. Where specific instructions are not provided by
equipment manufacturer clean equipment systems as follows:
1. Air Handling System: Before starting any air system, clean all debris, foreign matter and
construction dirt from air system and fan. Provide equipment requiring filters, such as air handling
units, fan coil units, blowers, etc. with throwaway filters specified under this Specification. After
cleaning air system install temporary filters and run continuously for 8 hours at full volume.
15A-22 STERILIZATION OF DOMESTIC WATER SYSTEM:
a) After final pressure testing of distribution system, thoroughly flush entire system with water until free
of dirt and construction debris. Fill system with solution of liquid chlorine or hypochlorite of not less
than 50 PPM. Retain treated water in system until test indicates non-spore-forming bacteria have
been destroyed or for 24 hours whichever is greater.
b) All points in systems shall have at least 10 PPM of solution at end of retention period. Open and close
each valve at least six (6) times in system during sterilization to sterilize valve parts.
c) When time and concentration conditions have been met, drain system and flush with fresh domestic
water until residual cleaning solution is less than 1.0 PPM. Open and close each valve in system six
(6) times during flushing operation.
d) Test samples taken from several points in system shall indicate absence of pollution for two full days.
Repeat sterilization as required. Acceptance of system will not be given until satisfactory
bacteriological results are obtained.
15A-23 PIPING IDENTIFICATION:
a) Identify piping in mechanical rooms, open pipe chases, tunnels, and other places where piping is
accessible for operation and maintenance by painting with identifi cation colors and with pressure
sensitive pipe markers.
b) Place piping markers so they can be easily read from operating position and floor.
c) Mark piping with marker and a 3-inch wide bank of identification color around circumference of pipe in
lieu of painting complete pipe or pipe covering.
d) Lettering on marker shall be at least 1-inch high block type in contrasting color. An arrow indicating
flow direction shall be painted next to each marker. Where markers occur on parallel groups of piping
they shall be neatly lined up.
e) See Schedule.
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GENERAL REQUIREMENTS 15A-9
15A-24 VALVE IDENTIFICATION:
a) Mark all valves with Seaton No. 300-BL brass identification tags with system legend, valve number,
and size stamped on tag. Lettering shall be black 0.5-inch high. Tags shall be 2 inches in diameter
and attached to valve with Seaton No. 16 brass jack chain.
b) Prepare four (4) copies of a type written list of valve tags. List shall be typed in upper case and
contain tag number, valve size, type, function, and location. Frame one list under glass and mount
near operating instructions in main equipment room.
15A-25 PIPE SLEEVES:
a) Provide proper type and size pipe sleeves and install in walls or floors and where otherwise noted.
Sleeves are not required for supply and waste piping through wall supporting plumbing fixtures or for
cast iron soil pipe passing through concrete slab on grade except where penetrating a membrane
waterproof floor.
b) Each sleeve shall be continuous through wall, floor, or roof and shall be cut flush on each side except
where indicated otherwise. Sleeves shall not be installed in structural member except where indicated
or approved. Sleeves shall be required through floors subject to flooding such as toilet rooms,
equipment rooms and kitchens. The contractor shall have the option of:
1. Providing a cast iron sleeve with integral flanges extending 1 inch above finished floor. Sleeve
shall be cast in concrete when floor is poured. Annular space between sleeve and pipe shall be
filled with Kaowool.
or
2. Provide core-drilled opening in concrete with Thunderline Link-Seal or Calpico Sealing Linx
between piping and opening.
c) Sleeves passing through floors with waterproof membranes shall be core-drilled and sealed with
Thunderline Link-Seal or Calpico Sealing Linx.
d) Sleeves passing through walls with waterproof membranes shall be sealed with Thunderline
Link-Seal or Calpico Sealing Linx.
e) Pipe insulation shall run continuous thru pipe sleeves with 0.25-inch minimum clearance between
insulation and pipe sleeve. Provide metal jackets over insulated pipes passing thru fire walls, floors,
and smoke partitions. Jacket shall be 0.018 stainless steel extending 12 inches on either side of
barrier and secured to insulation with 0.375-inch wide band. Provide Kaowool fire master bulk
packing between sleeve and metal jacket. Packing thickness shall be sized per manufacturers
recommendation for maintaining the integrity, of the fire wall/floor or smoke partition. Fire protection
system shall be rated per ASTM E 119. Equivalents to Kaowool are 3M, Flame Stop, or Flame Safe.
f) Where piping passes through walls serving as air plenums or chases, seal annular space between
pipe and sleeve air tight with Kaowool Firemaster Bulk Packing.
15A-26 PIPING MATERIALS AND FITTINGS:
a) Piping used throughout project shall conform to the following specifications. Piping shall be plainly
marked with manufacturers name and weight. All materials listed may not be required on this project.
See piping material schedules on drawings for materials to be used for each piping system. Piping
materials shall be as follows:
1. Carbon Steel Pipe (0.125-inch through 2.5-inch):
A. Provide continuous weld or electric resistance welded carbon steel pipe conforming to ASTM
A-120 or A-53 as scheduled.
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GENERAL REQUIREMENTS 15A-10
B. Pipe joints shall be threaded conforming to ANSI B2.1.
C. Pipe by Armco, Youngstown, United States Steel, or equal.
2. Carbon Steel Pipe (3-inch and Above):
A. Provide seamless continuous or electric weld carbon steel pipe conforming to ASTM A-120 or
A-53 as scheduled.
B. Pipe ends shall be beveled for welding.
C. Pipe by Armco, Youngstown, United States Steel, or equal.
3. Polyvinyl Chloride (PVC) Pipe – Schedule 80:
A. Provide Type 1, Grade 1, Polyvinyl Chloride Pipe conforming to requirements of current
ASTM D-2665 for DWV piping as scheduled. Cellular core PVC piping will not be approved.
B. Pipe for pressure piping shall have plain ends for socket type fittings.
C. Pipe by Chemtrol, Charlotte, Tyler, or equal.
4. Copper Tube:
A. Provide hard temper copper water tube conforming to requirements of current ASTM B-88.
Tubing shall be Type K, L or M as listed in schedule.
B. Tubing joints shall be soldered or brazed. See schedule for joining method to be used.
C. Pipe by Cerro, Chase, Mueller, Revere Copper, or equal.
5. Copper Tube Type ACR:
A. Provide hard temper nitrogenized copper refrigerant tube conforming to requirements of
current ASTM B-88. Tube shall be type L or K as listed in schedule.
B. Tubing joints shall be brazed.
C. Pipe by Cerro, Mueller or equal.
15A-27 PIPING FITTINGS:
a) Piping fittings used throughout project shall be proper type for installation method used and shall be
compatible with piping system materials. Fittings listed in piping material schedule shall conform to
the following specifications:
1. Wrought Copper Fittings:
A. Provide wrought solder joint copper tube fitting conforming to ANSI B16.22.
B. Fittings by Chase, Nibco, or equal.
2. Cast Bronze Fittings:
A. Provide cast bronze solder joint fittings conforming to ANSI B16.18.
B. Fittings by Chase, Nibco, or equal.
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GENERAL REQUIREMENTS 15A-11
3. PVC, DWV Fittings:
A. Provide PVC, DWV socket fittings conforming to ASTM D-3311 and D-2661.
B. Solvent cement of socket fittings shall conform to ASTM D-2235.
C. Fittings by Chemtrol, Charlotte, Tyler, or equal.
4. Pipe Flange Gaskets:
A. Gaskets by Durable Mfg. Co., Garlock Co., or equal.
15A-28 INSULATING UNIONS AND FLANGES:
a) Provide insulating unions and flanges conforming to following specifications and plainly and
permanently marked with manufacturer's name and pressure class rating. Unions and flanges shall
be as follows:
1. Steel pipe to steel pipe screwed end:
A. Provide Stockham malleable iron No. 693- 1/2 insulating union with high dielectric strength
insulating sleeve and gasket.
2. Steel pipe to steel pipe flanged end:
A. Provide two weld neck flanges of proper pressure rating insulated on both sides with Central
or Klingerit Flange Insulation Kit.
3. Iron or steel pipe to copper pipe:
A. Provide Epco dielectric union or flange with screwed or solder joint as required. Union shall
have 250 PSI rating and flange 175 psi rating at 190 deg F.
15A-29 STRAINERS:
a) Install strainers upstream from automatic control valves, steam traps and pumps. Where strainers are
an integral part of these items or incorporated in accessory equipment directly upstream, individual
line strainers will not be required. Strainers shall be same size as piping. Provide strainers with proper
isolation and blow down valves to allow basket removal for cleaning.
1. General: Provide Zurn "Y" type self-cleaning strainers with FIPT blow-off outlet, flanges or
screwed end with pressure rating as required by piping system. Provide strainers with removable
stainless steel or monel screens with perforations as follows:
TYPE OF STRAINERS SIZE, INCHES
SERVICE ¼ to 2 2-½ to 6 8 to 24
Water .005 1/16 1/8
b) Equivalent strainers by Armstrong, Metraflex, Trane, Nibco, Victaulic, or Spirax Sarco.
15A-30 UNIONS:
a) Provide unions or flanged joint in each line preceding connections to equipment or valves requiring
maintenance.
b) Provide Stockham brass seat unions of material and pressure rating required by piping system.
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GENERAL REQUIREMENTS 15A-12
c) Where piping systems of dissimilar materials are jointed together provide proper insulating union as
specified under this Specification.
d) Equivalent union by Metraflex, Grinnell, or equal.
15A-31 PIPING INSTALLATION:
a) Piping systems materials and installation shall conform to the following standards and codes.
1. System: Natural Gas Piping
Code: ANSI B31.2 "Fuel Gas Piping"
2. System: Plumbing System Piping Code: International Association of Plumbing and Mechanical
Officials
3. System: Refrigeration Piping
Code: ANSI B31.5 "Refrigeration Piping"
b) Pipe sizes indicated on plans and as specified refer to nominal size in inches for steel pipe, cast iron
pipe and copper tubing, unless otherwise indicated. Pipes are sized to nearest 0.5-inch. In no case
shall piping smaller than size specified be used.
c) Contractor shall provide and be responsible for proper location of pipe sleeves, hangers, supports
and inserts. Install hangers, supports, inserts, etc. as recommended by manufacturer and as
specified and detailed on drawings. Verify construction types and provide proper hangers, inserts and
supports in accordance with manufacturers load ratings and provide for thermal expansion of piping
without exceeding allowable stress on piping or supports. Provide solid type hangers and supports
where pipe travel exceeds manufacturer’s recommendations for fixed hanger and supports. Provide
copper plated hangers and supports for suspension of uninsulated copper tubing lines.
d) Install all piping parallel with building lines and parallel with other piping to obtain a neat and orderly
appearance of piping system. All piping shall be concealed unless noted otherwise. Secure piping
with approved anchors and provide guides where required to insure proper direction of piping
expansion. Piping shall be installed so that allowable stress for piping, valves and fittings used are not
exceeded during normal operation or testing of piping system.
e) Install piping so that systems can be completely drained. Provide piping systems with valved drain
connections at all low points and ahead of all sectionalizing valves whether shown on plans or not.
Drain lines shall be as follows:
PIPE SIZE DRAIN SIZE
¾” thru 2” ¾”
2-½” thru 5” 1”
1. Drain valves on closed piping systems such as chilled water systems shall be with plugged or
capped outlets to protect system from inadvertent drainage.
f) Pitch all piping and where possible make connections from horizontal piping so that air can be
properly vented from system. Provide air vents as specified at all system high points and at drops in
piping in direction of flow. Use eccentric reducers where necessary to avoid air pockets in horizontal
piping.
g) Provided piping materials and wall thickness for specific piping systems as listed in piping schedules
in Section 15B. Steel piping systems 2.5 inches under shall be threaded pipe and fittings. Steel pipe
systems 3 inches and above shall be weld end pipe and fittings unless required otherwise by Code.
h) Where listed in piping schedules or noted on drawings provide piping 2 inches and larger with
Victaulic Style 77 or Style 07 standard couplings.
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GENERAL REQUIREMENTS 15A-13
i) Provide unions or flanged joints in each pipe line preceding connections to equipment to allow
removal for repair or replacement. Provide all screwed end valves with union adjacent to valve unless
valve can be otherwise easily removed from line. Provide unions on identical sizes of equipment for
which one replacement item to be installed between unions without making any piping changes.
j) Piping fitting materials for specific piping systems shall be as listed in piping schedule. Fittings shall
be approved factory made type with threaded or weld ends as required. Fitting pressures and
temperature ratings shall be equal to or exceed maximum operating temperature and working
pressure of piping system. No mitered or field fabricated pipe fittings will be permitted.
k) All pipe threads shall meet ANSI Standard B2.1 for taper threads. Lubricate pipe threads with
Astroseal Teflon thread sealant and lubricating compound applied full strength. Powdered or made up
compound will not be permitted. Pipe thread compound shall be applied only to male pipe threads.
l) Welded pipe joints shall be made by qualified welding procedures and welders. Welding electrodes
shall be type and material recommended by electrode manufacturer for materials to be welded. All
pipe fitting ends shall be beveled a minimum of 30 degrees prior to welding.
m) Brazed socket type joints shall be made with suitable brazing alloys. Minimum socket depth shall be
sufficient for intended service. Brazing alloy shall be end fed into socket and shall fill completely
annular clearance between socket and pipe or tube. Brazed joints depending solely upon a fillet
rather than a socket type joint will not be acceptable.
n) Soft soldered socket type joints shall be made in with 95-5 tin-antimony solder as required by
temperature and pressure rating of piping system. Soldered socket joints shall be limited to systems
containing nonflammable and non-toxic fluids. Soldered socket-type joints shall not be used on piping
systems subject to shock or vibration. Soldered joints depending solely upon a fillet rather than a
socket-type joint will not be acceptable.
o) Make changes in piping size and direction with approved factory made fittings. Steel pipe and fittings
2.5-inch and smaller shall be threaded type, pipe and fittings 3 inches and larger shall be weld type.
Provide fittings suitable for at least 125 psi working pressure or of pressure rating required for
maximum working pressure of system whichever is greater.
p) Where pipe sizes of header or branch water supply piping do not appear on drawings, size piping to
plumbing fixtures as follows:
FIXTURE MAXIMUM QUANTITY PIPE SIZE
TYPE OF FIXTURES CW HW
Lavatory 1 ½ ½
Lavatory 3 ¾ ¾
Lavatory 6 1 1
15A-32 VALVES AND INSTALLATION:
a) Install necessary valves within piping systems to provide required flow control and to allow isolation
for inspection, maintenance and repair of each piece of equipment or fixture, and on each main and
branch service loop. For application of specific valve types see Section 15B of this Specification.
b) Valves 2.5-inch and smaller shall have solder, socket weld, flanged or screwed end connections as
required by piping materials unless otherwise specified or shown on drawings. Install union
connection in the line within two feet of each screw end valve unless valve can be otherwise easily
removed from line.
c) Each valve shall be installed so that it is easily accessible for operation, visual inspection, and
maintenance.
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GENERAL REQUIREMENTS 15A-14
d) Non-rising stem valves shall not be installed at any point in the piping systems. With permission of
A/E, non-rising stem valves may be installed at particular points where space is restricted.
e) Valves installed in piping systems shall be compatible with system maximum test pressure, pipe
materials, pipe joining method, and fluid or gas conveyed in system.
f) Valves shall be the same size as piping shown on drawings. Do not reduce valve size.
g) Equivalent globe and plug valves listed on current comparison charts of specified valve
manufacturers by Crane, Centerline, NIBCO, Kennedy, Keystone, Powell, or Victaulic will be
acceptable.
h) Equivalent balancing valves by Taco, Flowset, Thrush, or Illinois.
15A-33 VALVES:
a) Ball valves shall be scheduled as Type "BLV" valves. Valve specifications by type number shall be as
follows:
TYPE NO. SPECIFICATION
BLV-1 2-inch valves and smaller, bronze (ASTM B-584 Alloy 844, ASTM B-62 or ASTM
B-61) (No brass containing more than 15 percent zinc) full port ball valve 600
PSI-WOG, teflon seats, stainless steel ball, stem with insulated handle NIBCO T-
585-70-66, with screwed ends.
b) Silent check valves shall be scheduled as type "SCV" valves. Valve specifications by type number
shall be as follows:
TYPE NO. SPECIFICATION
SCV-1 2-inch valves and smaller: NIBCO T-480-Y bronze check valve, 250 PSI-WOG,
stainless steel spring, stainless steel stem, Teflon disc and seat ring, screwed or
solder ends.
15A-34 PIPE HANGERS AND SUPPORTS:
a) Provide and be responsible for location of piping hangers, supports and inserts, etc. required for
installation of piping under this contract. Design of hangers and supports shall conform to current
issue of Manufacturer's Standardization Society Specification (MSS) SP-58.
b) Pipe hangers shall be capable of supporting piping in all conditions of operation. They shall allow free
expansion and contraction of piping, and prevent excessive stress resulting from transferred weight
being induced into pipe or connected equipment. Support horizontal or vertical pipes at locations of
least vertical movement.
c) Where horizontal piping movements are such that hanger rod angularity from vertical is greater than 4
degrees from cold to hot position of pipe, offset hanger, pipe, and structural attachments so that rod is
vertical in hot position. Hangers shall not become disengaged by movements of supported pipe.
d) Provide sufficient hangers to adequately support piping system at specified spacing at changes in
piping direction and at concentrated loads. Hangers shall provide for vertical adjustments to maintain
pitch required for proper drainage and for longitudinal travel due to expansion and contraction of
piping. Fasten hangers to building structural members wherever practicable.
e) Hangers in direct contact with copper pipe or tubing shall be copper plated.
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GENERAL REQUIREMENTS 15A-15
f) Unless indicated otherwise on drawings support horizontal steel piping as follows:
PIPE SIZE ROD DIAMETER MAXIMUM SPACING
Up to 1 ¼” 3/8” 8 ft.
1 ½” to 2” 3/8” 10 ft.
2 ½” to 3 ½” ½” 12 ft.
4” 5/8” 12 ft.
g) Unless indicated otherwise on drawings support horizontal copper tubing as follows:
NOM. TUBING SIZE ROD DIAMETER MAXIUM SPACING
Up to 1” 3/8” 6 ft.
1-¼” and 1-½” 3/8” 6 ft.
2” 3/8” 9 ft.
h) Support horizontal cast iron soil pipe with one hanger for each joint located close to hub.
i) Support plastic piping as recommended by piping manufacturer.
j) Support vertical cast iron soil pipe and PVC pipe at every floor and steel and copper tubing at every
other floor except where indicated otherwise on drawings.
k) Provide continuous threaded hanger rods wherever possible. No chain, wire, or perforated straps
shall be used. Hanger rods shall be subjected to tensile loading only, where lateral or axial pipe
movement occurs provide suitable linkage to permit swing. Provide pipe support channels with
galvanized finish for concealed locations and painted finish for exposed locations. Submit design for
multiple pipe supports indicating pipe sizes, service and support details to A/E for review prior to
fabrication.
l) Provide Anvil International, Inc Fig. 45 channel trapeze pipe hangers for horizontal multiple pipe runs
with Anvil Strut pipe clamps or pipe rollers as follows:
PIPE MATERIAL PIPE SIZE CLAMP NO. ROLLER NO.
Copper 3/8” thru 4” AS1100 AS1901
Steel 3/8” thru 6” AS1100 AS1902
*Copper Plated
m) Provide Anvil International, Inc Fig. 194, 195, 199 steel wall brackets for piping suspended or
supported from walls. Brackets shall be prime coated carbon steel.
n) Mount hangers for insulated piping on outside of pipe, hangers sized to allow for full thickness of pipe
insulation. Provide Anvil International, Inc Fig. 167 protection shields sized so that line compressive
load does not exceed one-third of insulation compressive strength. Shield shall be galvanized steel
and support lower 180 degrees of pipe insulation. Omit copper plating on hangers mounted outside
insulation on copper tubing.
o) Structural Attachments for pipe hangers shall be as follows:
1. Steel Beam Structure: Provide Anvil International, Inc Fig. No. 86 malleable iron C-clamp for pipe
size 2-inch and smaller and Anvil International, Inc Fig. 229 malleable iron beam clamp for pipe
size 2.5-inch and larger.
2. Wooden beams or Ceilings: Provide Anvil International, Inc Fig. 153 pipe runs as follows:
PIPE MATERIAL PIPE SIZE HANGER FIG NO.
Copper ½” thru 4” CT-65
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GENERAL REQUIREMENTS 15A-16
p) Provide Anvil International, Inc Fig. 45 channel trapeze pipe hangers for horizontal multiple pipe runs
with pipe clamps or pipe rollers as follows:
PIPE MATERIAL PIPE SIZE CLAMP NO. ROLLER NO.
Copper 3/8” thru 4” PS1100 PS1901
*Copper Plated
q) Pipe supports for horizontal piping mounted on pipe racks or stanchions shall be Anvil International,
Inc Fig. 259 or equivalent by Advanced Thermal systems. Where racks and supports are not detailed
on drawings submit detailed support drawings to A/E for review prior to fabrication.
r) Provide Control Devices HGR series vibration control hangers at locations where piping vibrations
would be transmitted to building structure by conventional hangers. Apply hangers within their load
supporting range.
s) Provide PHD Fig. 879 pipe saddle with adjuster to support piping from floor. Provide complete with
pedestal type floor stand.
t) Provide necessary structural steel and attachment accessories for installation of pipe hangers and
supports. Where heavy piping loads are to be attached to building structure verify structural loading
with A/E prior to installation.
u) Equivalent hangers and supports by PHD, Anvil International, Inc or Fluorcarbon Company.
15A-35 PRESSURE GAUGES:
a) Provide Marsh/Marshalltown Quality gauges of type and dial range listed in schedule.
b) Gauge bourdon tube construction shall be as follows for listed service:
1. Water - Copper alloy, with brass tip.
c) Provide gauges with 0.25-inch NPT male bottom or back connection as required with
Marsh/Marshalltown 0.25-inch type 1900 FFG alloy steel needle valves.
d) Provide gauges with pattern MT Turret case and 4.5-inch dial except air and natural gas gauges
which shall have brass case with chrome plated finish.
e) Provide each gauge with 0.125-inch OD probe assembly suitable for inserting into a Peterson
Equipment Company connector plug. Probes shall be 6 long.
f) Gauges shall have recalibrator for zero adjustment of gauge pointer.
g) Equivalent gauges by Ashcroft, Mueller, Weksler or Trerice.
h) For gauge locations see Section 15B and the drawings.
15A-36 DIAL THERMOMETERS:
a) Provide Marsh/Marshalltown Master Therm Bimetal Dial Thermometers with 5 inch dial and
recalibrator.
b) Provide thermometers with polished 304 stainless steel case and stem, 0.5-inch NPT male back or
bottom connections. Accuracy shall be within one (1) percent of range.
c) Provide each thermometer with separable well for installation in 0.75-inch FPT pipe connections.
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GENERAL REQUIREMENTS 15A-17
d) Provide each thermometer with Peterson Equipment Company 0.125-inch OD 6 inches long probe for
insertion into a gage connector plug.
e) Equivalent thermometers by Mueller, Trerice, Weksler, or Weston.
f) For thermometer locations see Section 15B of this Specification and the drawings.
15A-37 PRESSURE GAGE AND THERMOMETER CABINETS:
a) Provide wall mounted cabinets for storage of pressure gages and thermometers.
15A-38 TESTING PROCEDURES:
a) Test all lines and systems before they are insulated, painted, or concealed by construction or
backfilling. Provide fuel, water, electricity, materials, labor, and equipment required for tests.
b) Where entire system cannot be tested before concealment, test system in sections. Upon completion,
each system shall be tested as an entire system.
c) Repair or replace defects, leaks and materials failures revealed by tests and then retested until
satisfactory. Make repairs with new materials.
d) Verify that system components are rated for maximum test pressures to be applied. Where specified
test pressures exceed component ratings remove or isolate components from system during tests.
e) Test methods and pressures shall be as follows:
1. Hydrostatic Test (Closed Systems):
A. Hydrostatic test shall be performed using clean unused domestic water. Test pressures shall
be as scheduled for system or 150 percent of operating pressure where not specified.
2. Hydrostatic Test (Open System):
A. Test entire system with 10 foot head of water. Where system is tested in sections each joint
in building except uppermost 10 feet of system shall be submitted to at least 10 feet head of
water. Water shall be held in system for 15 minutes before inspection starts. System shall
hold test pressure without leaks.
3. Pneumatic Test:
A. Test entire system with compressed air. Systems operating above 2 psi shall be tested at 75
psi or 150 percent of operating pressure or whichever is greater.
B. Allow at least one (1) hour after test pressure has been applied before making initial test.
C. During test, completely isolate entire system from compressor or other sources of air
pressure.
4. Pressure Relief and Safety Valve:
A. Before installation, test pressure temperature, and safety relief valves to confirm relief
settings comply with Specifications.
B. Tag items that pass test with date of test, observed relief pressure setting and inspector's
signature.
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GENERAL REQUIREMENTS 15A-18
C. Items installed in systems without test tag attached will be rejected.
f) All systems shall hold scheduled test pressures for specified time without loss of initial test pressure.
g) Upon completion of testing submit five (5) copies of a typewritten report to A/E. Report shall list
systems tested, test methods, test pressures, holding time and all failures with corrective action
taken.
h) For test pressures see Piping Material Schedule.
15A-39 PIPING AND EQUIPMENT INSULATION:
a) Provide necessary materials and accessories for installation of insulation for plumbing and
mechanical systems as specified and/or detailed on drawings insulation type, jacket, and thickness
for specific piping systems or equipment shall be as listed in insulation schedule.
b) Provide insulation materials manufactured by Certain Teed, Knauf, Dow Chemical, Johns Manville or
Owen/Corning Fiberglas.
c) Insulation, except where specified otherwise, shall have composite fire and smoke hazard ratings as
tested by ASTM E-84, NFPA 255, and UL 723 procedures not exceeding:
FLAME SPREAD 25
SMOKE DEVELOPED 50
FUEL CONTRIBUTED 50
1. Provided insulation accessories such as adhesives, mastics, cements, tape and glass fabric with
same component ratings as listed above. Products or their shipping cartons shall bear label
indicating their flame and smoke ratings. Treatment of jackets or facings for impart flame and
smoke safety shall be permanent. Use of water soluble treatments such as corn paste or wheat
paste is prohibited. This does not exclude approved lagging adhesives.
d) Install insulation over clean dry surfaces with joints firmly butted together. Insulation at equipment,
flanges, fittings, etc. shall have straight edges with box type joints with corner beads as required.
Where plumbing and heating insulation terminates at equipment or unions, taper insulation at a 30
degree angle to pipe with one coat finishing cement and finish same as fittings. Total insulation
system shall have neat smooth appearance with no wrinkles, or folds in jackets, joint strips or fitting
covers. Seal butt joints at maximum intervals of 45 feet to prevent vapor barrier failures from being
transmitted to adjoining insulation sections.
e) Undamaged insulation systems on cold surface piping and equipment shall perform their intended
functions as vapor barriers and thermal insulation without premature deterioration or vapor barrier.
Contractor shall take every reasonable precaution to provide insulation systems with continuous
unbroken vapor barriers.
f) Where glass is specified in the following insulation methods provide resin impregnat ed with open
weave glass fabric with 10/20 thread count.
g) Abbreviations for manufacturers of adhesives, mastics and coating specified shall be C.M. for
Chicago Mastic Company and B.F. for Benjamin Foster Company.
h) Pipe insulation materials and application methods by type shall be as follows:
1. TYPE 1-PC: Insulation for cold surface piping system with negative 40 deg F to plus 220 deg F
operating temperature range shall be Armstrong AP Armaflex Elastomeric Pipe insulation
average thermal conductivity shall not exceed .27 BTU/Hr. at 75 deg F mean temperature. To
greatest extent possible apply insulation without longitudinal joint by slipping insulation over
piping. Seal all seams and butt joints with Armstrong 520 adhesive. Thickness shall be per
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GENERAL REQUIREMENTS 15A-19
manufacturer’s recommendations using a maximum severity of 90 deg F and 80 percent RA.
Insulate fittings as follows:
A. Insulate fittings with Miter-Cut pieces of AP/Armaflex pipe insulation equal to thickness of
adjoining pipe insulation. Insulate fittings too large to cover with pipe insulation with insulation
from fabricated/Armaflex sheet insulation using Armstrong templates. Join and seal all fittings
joints with Armstrong 520 adhesive. Finish insulation as soon as possible with two coats of
Armstrong Armaflex vinyl- lacquer finish in color selected by Architect. All insulation used
outdoors shall be painted to prevent ultra violet deterioration of insulation.
i) Insulation materials and application methods for piping hangers supports, anchors, guides, expansion
joints, etc. shall be as follows:
1. Insulate hangers and supports from direct contact with cold surfaces with Styrofoam HD- 300
plastic foam inserts of half or full sections of premolded pipe insulation equal in thickness to
adjoining insulation. Provide inserts with vapor barrier jacket for lapping 2 inches over adjacent
pipe insulation jacket. Protect insulation with insulation shields supporting lower 180 degrees of
pipe insulation sized so that pipe compressive load does not exceed one third of insulation insert
compressive strength. Seal joints with vapor barrier sealer specified for insulation type used.
2. Where piping hanger cannot be isolated from cold pipe surfaces insulate piping at hanger
locations with extra thickness of pipe insulation. Insulate hanger rod to point 12 inches above pipe
with minimum insulation thickness equal to one-half thickness of pipe insulation. Seal and finish
joints with vapor barrier sealer specified for insulation type used.
3. Insulate floor supports in direct contact with cold surface piping with Armstrong 0.5-inch thick
Armstrong FR/Armaflex pipe or sheet insulation as required by surface. Insulate supports from
pipe to floor plate and seal insulation joints with Armstrong No. 520. Finish insulation with
Armstrong Armaflex vinyl-lacquer finish.
4. All pipe insulation shall be continuous through walls, ceiling or floor openings, or sleeves; except
where firestop or firesafing materials are required.
j) Insulation of removable heads and valves, manholes access covers, HVAC and plumbing pumps,
etc., shall be fabricated to allow removal without damage to insulation. Provide removable units with
vapor-proof cover fabricated to be sealed to equipment vapor barrier.
k) Insulation failing to meet workmanship and appearance standards shall be replaced with an
acceptable installation before final acceptance of project will be given. Insulation failing to meet
performance requirements of this Specification for a period of one (1) year after date of final
acceptance or through one heating season and one cooling season, whichever is longer shall be
replaced with an acceptable installation. All costs to correct insulation deficiencies and costs to repair
damages to other work shall be at M/C's expense at not cost to Owner.
15A-40 DUCTWORK INSULATION:
a) Provide necessary materials and accessories for installation of interior and exterior ductwork
insulation as specified and/or details on drawings. Insulation type and thickness for specific ductwork
systems shall be as listed in Insulation Schedule in Section 15B of this Specification.
b) Provide insulation materials manufactured by Owens-Corning, Johns Manville, CertainTeed, and
Knauf.
c) Insulation and application adhesives, except where specified otherwise, shall have fire and smoke
hazard rating as tested by ASTM E-84 procedure not exceeding:
FLAME SPREAD 25
SMOKE DEVELOPED 50
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GENERAL REQUIREMENTS 15A-20
FUEL CONTRIBUTED 50
d) Abbreviations for manufacturers of adhesives, insulating cements and coating specified shall be C.M.
for Chicago Mastic Company, B.F. for Benjamin Foster Company and 3M for 3M Company. Average
thermal conductivity is expressed in BTU/Hr./Sq.Ft./degrees F/In.
1. Low Velocity Ductwork (Velocities less than 2000 FPM): Provide fasteners within 3" of leading
edge of each section 12-inch OC around joint perimeter and 3 inches from longitudinal joints 12-
inch OC Elsewhere space fasteners 18-inch OC except not more than 6 inches from longitudinal
joints nor 12 inches from corner break.
e) Provide concealed rectangular or round ductwork with exterior thermal insulation of type and
thickness listed in schedule. Apply insulation to duct with C.M. No. 17-477 or B.F. No. 85-20
adhesive. Provide mechanical fasteners 18-inch OC on duct width 30 inches and greater. Butt
insulation joints tightly together and lap facing 2 inches over adjacent insulation and seal with vapor
barrier adhesive. Seal all breaks with vapor barrier adhesive and vapor barrier tape matching
insulation facing.
f) Provide exposed rectangular ductwork with exterior thermal insulation of type and thickness listed in
insulation schedule. Apply with mechanical fasteners spaced 12-inch OC with minimum of two (2)
rows per duct side. Seal fasteners, joints, breaks, and punctures with vapor barrier adhesive
reinforced with 3-inch wide vapor barrier tape matching insulation facing.
g) Provide exposed round sheet metal ductwork with exterior thermal insulation of type and thickness
listed in insulation schedule. Apply insulation with joints tightly butted together with vapor barrier
adhesive.Insulate fittings with insulation thickness equal to adjoining insulation with cover overlapping
2 inches onto adjacent covering.
h) Duct insulation materials by type shall be as follows:
1. TYPE 1-DEW: External thermal insulation for rectangular or round duct shall be Certain Teed 1.0
lb. density standard duct insulation type IV with foilscrim-kraft facing and .27 BTUH thermal
conductivity at 75 deg F mean temperature. Facing shall have a maximum vapor transmission
rate of 0.02 perms.
15A-41 ELECTRICAL REQUIREMENTS:
a) Consult Section 16B of electrical Specifications for work to be provided by E/C in conjunction with
installation of mechanical equipment.
b) Electrical work required to install and control mechanical equipment which is not shown on plans or
specified under Section 16B shall be included in M/C's base bid proposal. This shall included but is
not limited to thermostats, sensors, switches, etc. and the associated low voltage wiring, junction
boxes, conduit, etc.
c) The cost of larger wiring, conduit, control and protective devices resulting from installation of
equipment which was not used for basis of design as outlined in these Specifications shall be paid by
M/C at no cost to Owner or A/E.
d) M/C shall be responsible for providing supervision to E/C to insure that required connections,
interlocking and interconnection of mechanical and electrical equipment are made to attain intended
control sequences and system operation.
e) Furnish six (6) complete sets of electrical wiring diagrams to A/E and three (3) complete sets to E/C.
Diagrams shall show factory and field wiring of components and controls. Control devices and field
wiring to be provided by E/C shall be clearly indicat ed by notation and drawing symbols on wiring
diagrams.
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GENERAL REQUIREMENTS 15A-21
f) M/C shall obtain complete electrical data on mechanical shop drawings and shall list this data on an
approval form, which shall be presented monthly, or on request, to E/C. Data shall be complete with
wiring diagrams received to date and shall contain necessary data on electrical components of
mechanical equipment such as HP, voltage, amperes, watts, locked rotor current to allow E/C to
order electrical equipment required in his contract.
g) Safety disconnect switches and manual and magnetic motor starters shall be provided by E/C unless
these Specifications or the drawings require that the mechanical equipment is specified with these
devices installed as part of factory built control systems or as provided by the manufacturer.
15A-42 RECORD DOCUMENTS:
a) Record Drawings: Maintain a reproducible set of contract drawings and shop drawings in clean,
undamaged condition, with mark-up of actual installations which vary substantially from the work as
originally shown. Mark whichever drawing is most capable of showing "field" condition fully and
accurately; however, where shop drawings are used for mark-up, record a cross-reference at
corresponding location on working drawings. Mark with red erasable red pencil and, where feasible,
use other colors to distinguish between variations in separate categories of work. Mark up new
information which is recognized to be of importance to Owner, but was for some reason not shown on
either contract drawings of shop drawings. Give particular attention to concealed work, which would
be difficult to measure and record at a later date. Note related change-order numbers where
applicable. Organize record drawing sheers into manageable sets, bind with durable paper cover
sheets, and prints suitable titles, dates and other identification on cover of each sheet.
b) Record Specifications: Maintain one copy of Specifications, including addenda, change orders, and
similar modifications issued in printed form during construction and mark-up variations (of substance)
in actual work in comparison with text of Specifications and modifications as issued. Give particular
attention to substitutions, selection of option, and similar information on work where it is concealed or
cannot otherwise by readily discerned at a later date by direct observation. Note related record
drawing information and product data, where applicable. Upon completion of mark-up submit to A/E
for Owner's records.
c) The contractor shall provide a full set of photographs showing the entire underground equipment.
The photographs shall be taken prior to any concrete being poured. The underground equipment
shall consist of, but not be limited to, the following:
1. Piping
2. Conduits
3. Ductwork
d) The contractor shall provide the photographs in an 8.5-inch by 11-inch format for record keeping
purposes with the maintenance manuals. The photos shall all be digital and a disk or C.D. shall be
provided to the Owner as a permanent record.
e) As-built documents shall be submitted for approval prior to final payment. Copies of “In-Progress” as-
built drawings shall be submitted at each pay request.
END OF SECTION 15A
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-1
DIVISION 15 - MECHANICAL
PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING
15B-1 PIPING SYSTEMS MATERIALS:
a) Refer to Section 15A of this Specification for piping material specifications and installation
instructions.
b) See Schedule for specific piping materials and joining methods for systems installed under this
section.
PIPING IDENTIFICATION SCHEDULE
Service Letter Wording Marker Color Letter Color
Domestic Cold Water Domestic Cold Water Green White
Domestic Hot Water Domestic Hot Water Yellow Black
Domestic Hot Water Return Hot Water Return Yellow Black
15B-2 PIPING SYSTEMS VALVES:
a) Refer to Section 15A of this Specification for valve type specifications and installation instructions.
b) See Schedule for valve types to be installed under this section.
VALVE SCHEDULE
Service Size Stop Check Balance
Domestic Water Up to 2” BLV-1 -- --
Domestic Water Up to 2” -- SCV-1 --
Domestic Water Up to 2” -- -- BAV-1
15B-3 PIPING SYSTEMS INSULATION:
a) Refer to Section 15A for insulation type specifications and installation instructions.
b) See Schedule for insulation types and thickness for piping installed under this section.
PIPING INSULATION SCHEDULE
Service Size Type Thickness
Domestic Cold Water All 1-PC ½”
Domestic Hot Water Up to 1-¼” 1-PC ½”
Domestic Hot Water 1-½” & Up 1-PC 1”
Domestic Cold Water All 1-PC ½”
Below grade
Domestic Hot Water Up to 1-¼” 1-PC ½”
Below Grade
Dialysis Concentrate 1 All 1-PC ½”
Dialysis Concentrate 2 All 1-PC ½”
Bicarbonate All 1-PC ½”
Reverse Osmosis All Owner ½”
(RO insulation is Armaflex provided by owner, installed by this contractor)
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-2
15B-4 DUCTWORK INSULATION:
a) Refer to Section 15A for ductwork insulation specifications and installation instructions.
b) See Schedule for insulation for ductwork to be insulated under this section.
c) Ductwork shall not contain internal lining.
DUCTWORK INSULATION SCHEDULE
System Type Thickness
Supply Air – Rectangular 1-DEW 1-½”
Supply Air – Round 1-DEW 1-½”
Return Air – Rectangular 1-DEW 1-½”
Exhaust Air 1-DEW 1-1/2”
15B-5 SCHEDULE OF FIXTURE BRANCHES:
a) Connection to individual plumbing fixtures shall be as follows:
Item Waste Vent Cold Hot
Lavatory 2” 1-½” ½” ½”
Sink 2” 1-½” ½” ½”
Water Closet – Flush Tank 4” 2” ½” --
15B-6 ADJUSTMENT AND BALANCING:
a) Adjust flush valves to minimum volume and balance flow in hot water returns as required to maintain
proper water temperature in all branches circulated.
15B-7 DRAINS, FLOOR SINKS, DOWNSPOUT NOZZLES, ETC.:
a) Floor Drains: Block out floor prior to pouring of concrete and then level floor drain after pour is set,
remove forms and grout hole level.
1. Type “A" floor drain shall be J.R. Smith Model 2010-A.
2. All floor drains in finished areas shall have chrome plated strainers.
3. Provide each drain that does not have an integral "P" trap with a cast iron "P" trap in connecting
piping.
4. See Architectural plans for floor drain top elevations and floor drainage.
5. Floor drains shall be as manufactured by Wade, Josam, Watts, Zurn, or Sioux Chief.
b) Floor Sinks: Block out floor prior to pouring of concrete and then level floor sink after pour is set,
remove forms and grout hole level.
1. Floor sink Type "A" shall be Sioux Chief model 861-#PW3 (the “#” in the model number
represents the floor sink size called out on the plans) with 8.75-inch deep square PVC body with
PVC socket outlet, anchor flange, stainless steel mesh debris screen, 12-inch by 12-inch square
3/4 top PVC grate strainer. See Architectural plans for floor sink top elevations and floor drainage.
2. Floor sink Type "B" shall be Sioux Chief model 842-#PI (the “#” in the model number represents
the floor sink size called out on the plans) with round PVC body with PVC socket outlet, anchor
flange, stainless steel mesh debris screen, PVC top grate strainer. Provide with model 863-FN
top funnel and screws. See Architectural plans for floor sink top elevations and floor drainage.
3. Floor sinks shall be as manufactured by Sioux Chief, Wade, Josam, Watts, or Zurn.
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-3
c) Trench Drains: Block out floor prior of concrete and then level trench drain after pour is set, remove
and grout hole level.
1. Trench drain Type “A” shall be ACO Drain model C100, with nominal clear opening of 4” with
overall width of 6.10”. Pre-cast units shall be manufactured with an invert slope of 0.06% and
have a wall thickness of at least 0.50”. Each unit shall feature a full radius in the trench bottom
and male to female interconnecting end profile. Units shall have horizontal cast in anchoring
features on the outside wall to ensure maximum mechanical bond to the surrounding bedding
material and pavement surface.
2. Provide unit in length as specified on drawings.
3. Provide unit with end closing cap and 4” inlet/outlet cap.
4. Provide unit with Class C grate, type 492, with quick locking device.
5. Equivalent Trench drains shall be by engineer approval only.
15B-8 CLEANOUTS:
a) Provide cleanouts full size of soil pipe up to and including 4-inch ID. Provide cleanouts at base of
stacks, end of sewer main and at elbows over 45 degrees and in any horizontal run of piping
exceeding 100 feet at 50 foot intervals. Block out floor prior to pouring of concrete and then level
cleanout after pour is set, remove forms and grout hole level. Install cleanouts so they are accessible
by extending them through walls, floors, above, or to outside of building as required. Cleanouts shall
be as follows:
1. Wall Type Finished Areas: J.R. Smith No. 4532 cast iron cleanout "T” with cleanout plug and
stainless steel access cover.
2. Wall Type Unfinished Areas: J.R. Smith No. 4512 cast iron cleanout “T” with countersunk plug.
3. Floor Type Hard Flooring Areas: J.R. Smith 4023 with round chrome plated scoriated cover.
4. Floor Type Carpet Areas: J.R. Smith 4023-X with nickel bronze top and carpet clamp.
5. Floor Type Carpet Areas: J.R. Smith 4023-Y with nickel bronze top and carpet marker.
b) Equivalent cleanouts by Wade, Watts, Zurn, or Western Foundry.
c) Verify floor materials used from Architectural plans.
15B-9 SHOCK ABSORBERS:
a) Provide Josam Absorbotron shock absorbers or approved equal on all plumbing fixture batteries
where shown on plans sized in accordance with the Plumbing and Drainage Institute "Standard P.D.I.
WH201". Equivalent shock absorbers by Zurn, Wade, Sioux Chief, or J.R. Smith.
b) Provide J.R. Smith, model 5060, “Hy-Duty” shock absorbers on each cold and hot water branch
piping serving commercial washer/extractors. Equivalent shock absorbers by Zurn, Wade, Sioux
Chief, or Josam.
15B-10 PLUMBING FIXTURES:
a) Provide plumbing fixtures as shown on drawings and as specified complete including piping and
connections. China fixtures shall be of best grade vitreous ware, without pit holes or blemishes and
outlines shall be generally true. Architect reserves right to reject any piece which in his opinion is
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-4
faulty. Fixtures fitting against walls shall have ground backs. Exposed piping and fitting shall be
chrome plated.
b) Set fixtures true and level with all necessary supports for fixtures installed before plastering is done.
Nipples through wall to fixture connection shall be chrome plated brass. Contractor may use copper
stubouts to stops under lavatories provided deep escutcheons are used and no copper is visible in
lieu of chrome nipples.
c) Equivalent fixtures and accessories by the following manufacturers will be acceptable.
1. Fixtures: American Standard, Eljer, Kohler, Toto, Crane, or Zurn.
2. Toilet Seats: Church, Olsonite, Toto, Bemis, American Standard, Kohler or Beneke.
3. Fittings and Supports: Josam, Smith, Zurn, or Wade.
4. Faucets: Sloan, Zurn, Toto, American Standard, Kohler, Delta, Chicago Faucets, or Moen.
5. Molded Fiberglass Sinks: Equivalents by engineer approval only.
6. Traps, Supplies and Stops: Dearborn, Sanitary Dash or as specified under plumbing fixtures.
A. Supplies and Stops: Dearborn Figure No. 2407CW 1-1/2-inch compression inlet with angle
compression stop and 0.375-inch OD risers in length required. Provide deep chrome plated
brass escutcheons.
B. Traps for bathroom lavatories: Dearborn No. FS510 (1.5-inch) and/or No. FS507 (1.25-inch)
cast brass body with clean-out "P" trap. Provide deep chrome plated brass escutcheon with
set screw.
C. Traps for all other fixtures: type DWV PVC “P” trap for sanitary waste and drainage systems;
size of trap shall be as called out on plans.
7. See Schedule for fixture types to be installed under this section.
d) Provide strainers for all sinks and lavatories. Strainers for bathroom lavatories and break room sinks
shall be brass, chrome-plated steel, or stainless steel. Strainers for all other sinks and lavatories
shall be white PVC equal to Dearborn Brass model 9WH or equal.
15B-11 OPENINGS:
a) The Contractor shall include the installation of all boxes and sleeves for openings required to install
this work, excepting only structural openings incorporated in the structural drawings. Sleeves shall be
installed for all pipes passing through structural slabs and walls. The Contractor shall set and verify
the location of sleeves as shown on structural plans that pass through beams, only if so shown.
b) Penetrations in walls for sheet metal ducts shall be sealed by the M/C by stuffing glass fiber into the
cracks between the walls, and floors and the ducts. The exposed joints shall then be caulked on each
side with non-hardening caulking such as "Tremco Acoustical Sealant". This work applies to all walls
in buildings.
15B-12 ACCESS PANELS:
a) Milcor, Wade, or Zurn access panels shall be provided wherever necessary to provide access to
valves, traps, etc. located in concealed spaces. Each fire damper, automatic splitter damper, etc.
shall have an access panel. Size shall be adequate for inspection and removal of equipment and
none shall be less than 12-inch by 6-inch.
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b) Duct Access Doors: Doors shall be equivalent to CESCO Model 14AD-5. Frame shall not be less
than 22 gauge galvanized steel, with 24 gauge door panels. Doors shall have minimum 1-inch thick
insulation, PVC foam tape gaskets, zinc plated steel continuous type hinge and latches. Equivalent by
Nailor.
c) Mechanical Wall Access Doors: Doors shall be equivalent to CESCO Model FW-SS, all purpose
access panel. Frame shall be 16 gauge stainless steel No. 304, with 14 gauge stainless steel No. 304
frame. The hinge shall be continuous stainless steel – concealed. The latch shall be flush mounted
screwdriver operated cam latch. The finish shall be No. 304 stainless steel with a No. 4 satin finish.
d) Fire Rated Wall/Ceiling Access Door: Doors shall be equivalent to CESCO model FB. Frame shall be
16 gauge galvanized bonderized steel and 20 gauge galvanized bonderized steel. Hinges shall be
continuous, galvanized steel with stainless steel pin and a key-operated latch. Provide automatic type
door closure. Door shall have a UL rating to match rating of wall/ceiling rating.
15B-13 SHEET METAL WORK:
a) Provide commercial quality prime, bright spangled galvanized sheet steel, on all ductwork. Sheet
metal shall be manufactured in the United States of America.
b) Construct ductwork as detailed on drawings and as detailed in the latest edition of the Sheet Metal
and Air Conditioning Contractor's Association ISMACNA) Duct Manual. Details shown on project
plans shall indicate specific construction methods to be used on this project, and shall be used in lieu
of any alternate methods shown in SMACNA Duct manual.
c) Construct and install ductwork to be completely free from vibration under all conditions of operation.
Support and securely anchor ductwork and equipment from structural framing of building. Provide
suitable intermediate metal framing where required between building structural framing.
d) Each duct system shall be constructed for the specific duct pressure classifications shown on the
contract documents or in equipment fan schedule listed as external or total static pressure. If no
pressure classification exists on the drawings, the following shall apply:
1. Low Velocity supply, return, and exhaust: 2-inch SMACNA seal class B pressure class.
e) Ductwork shall not contain internal liner.
f) Construct ductwork system to conform to SMACNA manual 15d H C Air Duct Leakage Test Manual.
g) Where dimensions, sizes, and arrangements of elements of duct assembly and support systems are
not provided herein the contractor shall select such to be suitable for the service. All methods and
devices shall be subject to the review and approval from Engineer.
h) Make ductwork transitions with sides sloped not to exceed a maximum of 20 degrees, 40 degrees
included angle for diverging air flow and 30 degrees, 60 degrees included angle for converging air
flow. Factory fabricated reducing fittings of ASME short flow nozzle design will be acceptable for
round ductwork.
i) Provide turning vanes in all elbows over 20 degrees unless otherwise noted.
j) The Contractor shall follow the applications recommendation of the manufacturer of all hardware and
accessory items and make selections of such consistent with the duct classification and services.
k) Elbows for round ductwork shall be die formed through 8-inch diameter and 5 section elbow 9-inch
and above in diameter.
l) Ducts shall be sealed in accordance with Table 1-2 of SMACNA manual 1 5d. The allowable air
leakage shall be in compliance with SMACNA standards for each respective duct pressure class and
duct seal class.
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-6
m) All exposed round ductwork and fittings shall be double-wall, galvanized steel, spiral lockseam, with
1-inch fiberglass insulation. Provide perforated inner liner instead of solid inner liner when noted on
plans. Outer shell shall be “paint-grip” sheet metal. Provide double-wall round ductwork and fittings
as manufactured by United McGill or approved equal.
n) Low Velocity round ductwork shall be snap-lock type round ductwork with button-lock SMACNA RL-8
longitudinal seam.
o) At contractor's option, ductwork may be joined with prefabricated galvanized "Ductmate” sections.
The joint packing material and joint construction details using this method shall be submitted to the
engineer for review.
p) All duct pressure classes shall be same as the external static pressure (ESP) of the equipment
supplying the duct. The equipment ESP shall be the pressure class for the entire supply duct system.
15B-14 SHEET METAL SPECIALTIES:
a) Specialties shall be factory fabricated items designed for low, medium, or high velocity systems as
indicated on contract documents. Submit shop drawings on all specialties required with shop
drawings of ductwork layout. Specialties shall be as follows:
1. Turning Vanes: Aero-Dyne or equal 26 gauge H-E-P high efficiency profile air foil vanes mounted
2.125 inches on center on 24 gauge runners. Air turns by Barber Colman will be acceptable on
low pressure only.
2. Volume Dampers: (Round - Velocities 1500 FPM and less) Provide Ruskin model CDRS25.
Furnish and install Ruskin model CDRS25 dampers suitable for use in temperatures from –50
deg F to 250 deg F. Damper shall be butterfly type consisting of circular blade mounted to axle.
Frames shall be 18 gauge steel, 1.5-inch by 1.5-inch angle reinforced for dampers over 20-inch
diameter. Damper blades shall be two-layer, 14 gauge galvanized steel and include a full-
circumference neoprene seal. Leakage through damper in closed position shall not exceed
ratings published by Ruskin. Axle shall be 0.5-inch diameter plated steel with sleeve bearing
pressed into frame. All parts not protected shall be given one coat of aluminum paint. Note:
CDR25 specification differs slightly.
3. Volume Dampers: (Rectangular - Velocities 1500 FPM and less) Provide Ruskin model CD35.
Furnish and install Ruskin model CD35 standard dampers suitable for use in temperatures from
negative 50 deg F to 200 deg F. Frames shall be 5-inch by 1-inch by 16-inch gauge galvanized
steel hat channel. Blades shall be roll formed, triple-V-groove 16 gauge galvanized steel,
maximum of 6-inch wide. Axles shall be 0.5-inch plated steel hex. Bearings shall be molded
synthetic and linkage concealed in frame. Maximum single section size shall be 48-inch wide and
72-inch high. When applications require more than one damper section to fill opening, sections
shall be interconnected by appropriate jack shafting. Volume dampers shall be Carnes, CESCO,
Greenheck, Nailor, Prefco, Titus, United McGill, Louvers & Dampers Co., or equal.
4. Regulators: Young or equal No. 315 concealed damper regulators chrome plated where duct is
concealed in wall or ceiling. Young No. 443 regulator for exposed ductwork in equipment or
storage area and surface mounted regulator No. 1 in public areas. Floor line cover regulator
Series 330.6.
5. Flexible Connections: Metaledge Ventglas prefabricated flexible connection of 3.25-inch wide
heat and fire resistant neoprene coated glass fabric with two (2) 3-inch wide 24 gauge metal
strips attached to each edge. Duro-Dyne Corp. or equal. Provide stainless steel strips on acid
exhaust fans.
6. Access Doors: Provide access doors in ductwork for access to fire dampers, smoke dampers
etc., installed under this contract. Doors and frames shall be furnished in prime coat of gray rust
inhibitive paint. Frames shall be seamless one-piece galvanized mild steel. The doors shall be
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-7
outer and inner panels one-piece galvanized mild steel. The door insulation shall be a minimum
of 1-inch thick. Gasket shall be positive seal and fastners progressive action cam locks type (zinc
plated). Access doors shall be Nailor, Higgins, Milcor, CESCO, or equal.
7. Flexible duct shall be ATCO UPC No. 70 flexible duct in accordance with NFPA BOA, NFPA 90B
and UL compliance, Class 1 Air Duct. Duct shall be factory insulated with flexible fiberglass
insulation with a minimum R-value of 4.2 at a mean temperature of 75 deg F. The insulation shall
be covered with a reinforced polyester vapor barrier jacket having a permeance of not greater
than 0.06 perms when tested in accordance with ASTM E96, Procedure A. Flexible duct shall be
rated for a velocity of at least 5000 fpm and suitable for operating temperatures of at least 140
deg F. Internal working pressure rating shall be at least 0.75 inches W.C. negative and 4 inches
W.C. positive. Equivalent flexible duct by Flexmaster, Wiremold, or approved equal. Maximum
flexible duct length of run shall be 5-feet-0 inches unless shown otherwise. Provide vertical
flexible ductwork elbows at diffusers with external support: Thermaflex Flexflow Elbow or
approved equivalent. Contractor shall submit acoustic performance factors for flexible duct.
Performance factors shall be equivalent to the flexible duct specified.
8. Round take-off fittings from medium, high, and low pressure rectangular ductwork shall be made
with Buckley BMD or equal bell mouth fittings. HET, High Efficiency takeoffs, Buckley Model
3300D or equal will be allowed, where rectangular duct depth noted on drawings is not 4-inch or
greater than the round branch duct size.
9. Fire Dampers: (Wall/Floor) Provide, at locations shown on plans, dynamic rated fire dampers
constructed and tested in accordance with UL Safety Standard 555. Each fire damper shall have
a 1.5 hour fire protection rating, 212 deg F fusible link, and shall include a UL label in accordance
with established UL labeling procedures. Damper Manufacturer's literature submitted for approval
prior to installation shall include comprehensive performance data developed from testing in
accordance with AMCA Standard 500 and shall illustrate pressure drops for all sizes of dampers
required at all anticipated air flow rates. Fire dampers shall be equipped for vertical or horizontal
installation as required by the location shown. Fire dampers shall be installed in wall and floor
openings utilizing steel sleeves, angles, other materials, and practices required to provide an
installation equivalent to that utilized by the manufacturer when dampers were tested at UL.
Installation shall be in accordance with the damper manufacturer's instructions.
A. Round dampers - Dampers for installation in round ducts shall be equal to area. Prefco type
55OOE6 CR frame, folding type blade with 100 percent free area.
B. Low velocity rectangular dampers - Dampers for installation in low velocity rectangular ducts
shall be equal to Prefco model 5500-LPB frame, folding type blade with 100 percent free
area.
C. Equivalent manufacturers shall be CESCO, Prefco, Louvers & Dampers, Nailor, or
Greenheck.
15B-15 GRILLES, REGISTERS AND DIFFUSERS:
a) Provide grilles, diffusers, and registers as shown on drawings and hereinafter specified. Set all units
with rubber gaskets for air tight connection with mounting surface. Unless specified or noted
otherwise grilles and registers mounted on ducts shall have standard margins. See drawings for size
quantity.
b) Install all registers with curve of louver away from line of sight to avoid seeing into space behind
louver.
c) Install all registers in masonry construction so that bottom of register starts with a masonry
construction joint. Support all grilles, registers and diffusers from Tee bars or structure so as not to
stress ceiling tile. Provide proper mounting supplied and arrangements for areas shown. Check
architectural drawings for ceiling and wall construction.
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d) All grilles registers and diffusers shall be submitted with the following information for Engineers
approval prior to installation.
1. Airflow.
2. Static Pressure Drop (maximum as allowed on plans).
3. Noise Criteria Rating (maximum of 30 NC allowed).
4. Throw - 150 FPM 100 FPM and 50 FPM.
5. Any submittal found delinquent of requested information shall be returned for resubmittal.
e) All dimensions indicated on drawings for diffuser neck sizes, face sizes, etc. are generic in nature and
should be verified with equipment manufacturer prior to bid letting. Contractor shall be held
responsible for compliance with Specifications. Should a change be required to remain in compliance
with specifications all costs incurred shall be paid by mechanical contractor.
f) All registers and grilles shall have angled blades.
g) Equivalent by Titus, Kruger, Anemostat, Carnes, Price, Nailor, or Tuttle & Bailey.
h) See GRILLE, REGISTER AND DIFFUSER SCHEDULE.
15B-16 AIR SYSTEMS TESTING AND BALANCING:
a) All air supply, return and exhaust systems shall be balanced and adjusted to meet capacity and
condition shown in construction documents. This work shall be performed by an independent testing
and balancing agency certified by AABC or NEBB.
b) M/C shall submit name of testing and balancing agency to A/E for approval prior to bid performance
of work.
c) Balancing shall be performed and reported in accordance with the latest Associated Air Balance
Council specification for testing and balancing for air systems as it pertain to systems installed on this
project.
d) Balancing and test reports shall be submitted on standard AABC or NEBB forms.
15B-17 GAS-FIRED ROOFTOP UNITS WITH DX COOLING:
a) Units shall be factory-assembled, single packaged units designed for outdoor mounted installation.
Units up to 5-tons shall minimum SEER ratings of 13.0. Units from 6 tons to 10 tons shall have
minimum EER ratings of 11.0. They shall have built in field convertible duct connections for down
discharge supply/return or horizontal discharge supply/return, and be available with factory installed
options or field installed accessories.
b) The units shall be factory wired, piped, charged with R-410A refrigerant and factory tested prior to
shipment. All unit wiring shall be both numbered and color coded. Enclosed in each unit shall be a
factory test log sheet consisting of the unit tested pressures, temperatures and amps, as tested prior
to shipment.
c) The cooling performance shall be rated in accordance with DOE and ARI test procedures. Units shall
be UL listed and classified to ANSIZ21.47 standards and UL 1995/CAN/CSA No. 236-M90 conditions.
d) Unit Cabinet:
1. Unit cabinet shall be constructed of G90 galvanized steel, with exterior surfaces coated with a
paint finish, certified at 750 hours salt spray test per ASTM-B117 standards.
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-9
2. Indoor blower section shall be insulated with up to 1” thick coated insulation. Aluminum foil
faced insulation shall be used in the furnace compartment and be fastened with ridged fasteners
to prevent insulation from entering the air stream.
3. Cabinet panels shall be easily removable for servicing and maintenance.
4. Full perimeter base rails shall be provided to assure reliable transit of equipment, overhead
rigging, fork truck access and proper sealing on roof curb applications.
5. Disposable 1” filters shall be furnished and be accessible through a removable access door,
sealed air tight.
6. Condensate pan shall be internally sloped and conform to ASHRAE 62-89 self-draining
standards. Condensate connection shall be a minimum of 0.75-inch ID female and be a ridged
mount connection.
e) Indoor (Evaporator) Fan Assembly:
1. Fan shall be direct drive, multi-speed, or a factory installed belt drive, adjustable-pitch motor
pulley option. Job site selected (BHP) brake horse power shall not exceed the motors
nameplate horse power rating, plus the service factor. Units shall be designed not to operate
above service factor.
2. Fan wheel shall be double-inlet type with forward-curved blades, dynamically balanced to
operate smoothly throughout the entire range of operation. Airflow design shall be constant air
volume.
3. Bearings shall be sealed and permanently lubricated for longer life and no maintenance.
f) Outdoor (Condenser) Fan Assembly:
1. The outdoor fan shall be of the direct-driven propeller type, discharge air vertically, have
aluminum blades riveted to corrosion resistant bracket and shall be dynamically balanced for
smooth operation.
2. The outdoor fan motor shall be totally enclosed with permanently lubricated bearings and
internally protected against overload conditions.
g) Refrigerant Components:
1. Compressors:
A. Shall be fully hermetic type, internally protected with internal high-pressure relief and over
temperature protection. The hermetic motor shall be suction gas cooled and have a voltage
range of + or – 10 percent of the unit nameplate voltage.
B. Shall have sound muffling to minimize vibration and noise, and be externally isolated on a
dedicated, independent mounting.
2. Coils:
A. Evaporator and condenser coils shall have aluminum plate fins mechanically bonded to
seamless internally-enhanced copper tubes with all joints brazed.
B. Evaporator and condenser coils shall be of the direct expansion, draw-thru design.
3. Refrigerant Circuit and Refrigerant Safety Components shall include:
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-10
A. Independent fixed-orifice expansion devices.
B. Filter drier/strainer to eliminate any moisture or foreign matter.
C. Accessible service gage connections on both suction and discharge lines to charge,
evacuate, and measure refrigerant pressure during any necessary servicing or
troubleshooting, without losing charge.
D. The refrigeration system shall provide at least 15 deg F of liquid sub-cooling at design
conditions.
4. Unit Controls:
A. Unit shall be complete with self-contained low-voltage control circuit protected by a
resetable circuit breaker fuse on the 24-volt transformer side.
B. Unit shall incorporate a lock-out circuit which provides reset capability at the base unit,
should any of the following standard safety devices trip and shut off compressor:
1) Loss-of-charge/Low-pressure switch.
2) High-pressure switch.
3) Freeze-protection thermostat, evaporator coil.
If any of the above safety devices trip, an LED indicator shall illuminate.
C. Unit shall incorporate “AUTO RESET” compressor over temperature, over current
protection.
D. Unit shall operate with conventional thermostat designs and have a low voltage terminal
strip for easy hook-up.
h) Gas Heating Section:
1. Shall be designed with induced draft combustion with post purge logic, direct spark ignition and
redundant main gas valve.
2. The heat exchanger shall be of the tubular type, constructed of T1-40 aluminized steel for
corrosion resistance and allowing minimum mixed air entering temperature of 25 deg F.
3. Burners shall be of the in-shot type, constructed of aluminum coated steel and contain air
mixture adjustments.
4. All gas piping shall enter the unit cabinet at a single location, through either side or bottom,
without any field modifications.
5. An integrated control board shall provide timed control of evaporator fan functioning and burner
ignition.
6. Heating section shall be provided with the following minimum protection:
A. Primary and auxiliary high-temperature limit switches.
B. Induced draft motor speed sensor.
C. Flame roll out switch (automatic reset).
D. Flame proving controls.
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-11
i) Unit Operating Characteristics:
1. Unit shall be capable of starting and running at 125 deg F outdoor temperature, exceeding
maximum load criteria of Ari Standard 210/240.
2. The unit shall be provided with low ambient controls to be capable of operation down to 32 deg F
outdoor temperature.
3. Unit shall be provided with fan time delay to prevent cold air delivery before heat exchanger
warms up.
j) Electrical Requirements:
1. All unit power wiring shall enter unit cabinet at a single factory provided location and be capable
of side or bottom entry, to minimize roof penetrations and avoid unit field modifications.
Separate side and bottom openings shall be provided for the control wiring.
k) Warranties:
1. All warranties shall begin after the date of substantial completion.
a. Compressor-5 years.
b. Heat Exchanger-10 years.
c. Parts- 1 year
l) Outdoor Air:
1. Motorized modulating damper capable of controlling outside air from 0 percent to 25 percent of
unit airflow.
m) Accessories:
1. Roof Curb: 18-inch high, full perimeter knockdown insulated curb with hinged design for quick
assembly.
2. Outdoor Coil Guard: Prevents coil damage.
3. Thermostats: See section on thermostats and controls.
4. Anti-Short-cycle Timer: Assures 5-minute off-time between compressor cycles.
n) Manufacturers: Basis of Design is Trane Precedent. Equivalent units by Bryant, Carrier, Lennox, or
York will be acceptable.
15B-18 THERMOSTATS, CONTROLS, AND SEQUENCE OF OPERATION
a) Temperature control shall be a programmable, electronic thermostat with the following functions and
features:
1. Multi-stage heating/cooling with automatic or manual changeover.
2. Minimum seven (7) day, 5-1-1 programming capability.
3. Night heating setback/cooling setup.
4. Digital display of temperature in deg F or deg C.
5. Selection for heat-off-cool-auto.
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-12
6. Selection for fan auto-on.
7. Visual indicators of system on, heat, cool, fan failure, and dirty filters.
8. Temperature setpoint adjustment with the capability to prevent unauthorized tampering.
9. Temporary occupancy override button, programmable up to a minimum of 120 minutes.
10. Utilize non-volatile memory to maintain programmed operating parameters in the event of a
power loss without the use of battery backup.
b) The electronic thermostat shall perform the following sequence of operation.
1. The supply fan shall run continuously during occupied and during morning warm-up/cooldown
periods. During unoccupied periods, the fan shall cycle on as required in conjunction with the
appropriate heating or cooling device. Switchover shall be automatic.
2. Units shall have a scheduled occupied mode from 6:00 am to 7:00 pm Monday through Saturday
(adjustable) unless otherwise specified on plans.
c) Install thermostats in single gang box in walls shown at 60” A.F.F. Provide conduit for wiring and
route wiring in conduit from thermostat to unit.
d) Equivalent manufacturers for thermostats are Trane, Carrier, Honeywell, Lennox, White-Rodgers,
York.
15B-19 EXHAUST FANS:
a) Provide exhaust fans as indicated on drawings and schedule.
b) Provide accessories as indicated on schedule.
c) All fans shall be AMCA certified for air and sound ratings.
d) Equivalent by Carnes, Acme, Greenheck, Jenn Industries, Loren Cook, Twin City Fan & Blower, or
Penn Ventilation.
e) See Exhaust Fan Schedule.
15B-20 WATER HEATERS
a) Provide water heaters as specified below and as indicated on construction drawings.
b) Water heaters shall meet ASHRAE Standard 90A-1 980 and shall be ASME rated.
c) Gas water heaters shall be AGA certified.
d) Electric water heaters shall be UL listed.
e) Equivalent by A.O. Smith, State, Lochinvar, Bradford White, Ruud or Rheem.
f) Combustion air intake and flue exhaust pipe.
1. Description: ASTM F-441 CPVC schedule 40 piping with ASTM F-493 CPVC solvent joined
fittings.
2. Accessories: Provide manufacturers standard concentric roof termination kit with pipe clamps
and roof flashing.
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PLUMBING, HEATING, VENTILATING AND AIR CONDITIONING 15B-13
3. Size of combustion air intake and flue piping shall be dependent upon boiler size and shall be
the responsibility of the manufacturer to size in accordance with the routing on the drawings.
4. Install ASTM F-441 CPVC schedule 40 piping with ASTM F-493 CPVC solvent joined fittings for
combustion air intake piping and flue exhaust piping in accordance with manufacturer's
installation instructions and UL listing. Maintain minimum clearances from combustibles specified
in UL listing.
5. Assemble pipe and accessories as indicated for a complete installation. Provide manufacturer’s
concentric roof termination kit and terminate piping at a minimum of 24 inches above finished
roof or as required by the manufacturer or local codes.
6. Support piping at intervals recommended by the manufacturer to support the weight of the vent
and all accessories, without exceeding loading of appliances.
15B-21 TESTING AND BALANCING PREPARATION:
a) The Mechanical contractor shall prepare the system for test and balance as follows:
1. Install, start-up, check out, and adjust all HVAC systems per drawings and Specifications and
have fully operational with all deficiencies corrected on or before owners substantial completion
date.
2. Verify that mechanical contractor has installed new filters no more than one day prior to starting
test and balance procedure.
3. Verify that all ductwork is clean and sealed tight against leaks.
4. Verify that all controls are installed, adjusted and calibrated.
5. Secure control dampers after test and balance.
b) The following checks shall be performed on each system installed under this contract.
1. Air Handling Systems:
A. Clear system of all foreign objects and clean system.
B. Verify fan rotation.
C. Check bearing condition and lubrication.
D. Check fan wheel clearances and fan alignment.
E. Check motor security to mounting base.
F. Check alignment of drive.
G. Check vibration isolator adjustment.
H. Verify that proper filter media is installed.
I. Verify that all control dampers are installed and operable without binding or sticking.
J. Confirm that all fire, smoke and volume dampers are installed and in full open position.
K. Check for and repair all excessive air leaks in duct systems, at equipment connections and at
coils. Air leaks shall not exceed SMACNA parameters for system pressure.
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L. Verify that ductwork is constructed and installed in accordance with contract drawings and/or
approved ductwork shop drawings.
c) The M/C shall make changes in pulleys, belts, dampers, etc. as required by the balance contractor, at
no additional cost to the Owner.
d) The M/C shall install new filters in the air handlers and clean all strainers in the water system just
prior to the beginning of the testing and balancing.
e) The balance contractor shall set dampers and make adjustments as follows:
1. Bring air diffusers and registers to design CFM.
2. Make recommendations for system modifications and adjustments required to facilitate proper
system balancing as determined by preceding test.
3. Retest and readjust all system segments affected by system modifications.
4. Adjust return air flows where dampers are provided.
END OF SECTION 15B
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FIRE SPRINKLER SYSTEM 15C-1
DIVISION 15 - MECHANICAL
SECTION 15C- FIRE SPRINKLER SYSTEM
15C-1 GENERAL:
a) Hereinafter, all reference to "this contractor", "the contractor", etc., unless specifically preceded by a
trade category, shall apply to the Sprinkler Contractor.
15C-2 SCOPE:
a) Furnish all design, labor, materials, fabrication, equipment, and services necessary to provide a
complete and operational automatic fire sprinkler system as specified herein and as required for
satisfactory operation of the system.
b) All areas within the limits of construction shall be provided with a wet sprinkler system installed in
accordance with the latest edition of NFPA. This requirement does not relieve the contractor from
meeting the requirements set by Owner’s insurance company.
c) A full sprinkler piping system exists in this building including the water service and all required service
entrance alarms, valves, gongs, switches, etc.
d) The scope under this contract includes the removal of existing sprinkler heads, removal and/or
relocation of existing sprinkler piping, addition of new sprinkler piping distribution, addition of new
branch piping, addition of new sprinkler heads, and the installation of items listed above and all
necessary components for a complete working fire sprinkler system in accordance with NFPA and the
local authority having jurisdiction.
15C-3 FEES AND PERMITS:
a) The contractor shall secure and pay for all permits, licenses, and inspections necessary in
conjunction with this work. In addition, the contractor shall pay for all tap fees and equipment costs
associated with the fire sprinkler system.
15C-4 PROTECTION OF WORK:
a) Sprinkler Contractor shall take the necessary precautions required to protect his work as well as the
work of other trades against any damages.
15C-5 SUBMITTALS AND APPROVALS:
a) All material submitted shall be contained in brochure type binders, clearly labeled, and identified.
Each submittal shall be complete, with all items listed in schedule form showing type, manufacturer,
catalog number, finish shop drawings or descriptive literature for the purpose of identifying the
equipment, and Engineer's reference number. Failure to comply with these requirements will result in
return of submittal for resubmission.
b) Contractor shall submit scaled layout drawings including, but not limited to, head locations, pipe
sizes, locations, elevations, and slopes of horizontal runs, wall and floor penetrations, and
connections. Indicate interface and spatial relationships between piping and proximate equipment.
Shop hanger locations. Plans shall be submitted prior to A/E for head locations approval.
c) At project closeout, submit three (3), 0.125 inch scaled, dimensioned, record drawings to the A/E of
installed fire protection piping and equipment.
d) The sprinkler system shall be a complete system as required by local authorities. All wiring required
for the system shall be provided by the sprinkler contractor and shall be included in the submittal
package. Submit to Agency having jurisdiction (AHJ) for approval. Submit one approved copy,
bearing stamp and/or signature of AHJ, before proceeding with installation.
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FIRE SPRINKLER SYSTEM 15C-2
e) Submit certification upon completion of fire protection piping work which indicates that work has been
tested in accordance with NFPA 13 and NFPA 14, and also that system is operational, complete, and
has no defects.
15C-6 CODES AND ORDINANCES:
a) The Contractor shall comply with all requirements, regulations, code, ordinance, ruling or Fire
Underwriters' requirements, NFPA, and Owner’s insurance company applicable to this class of work.
Furthermore, they shall include but shall not be limited to codes listed in other sections of these
specifications.
b) Provide fire protection products in accordance with UL standards: provide UL label on each product.
c) Install fire protection systems in accordance with local regulations of fire department or fire marshal.
Comply with local Fire Department/Marshal regulations for sizes, threading and arrangement of
connections for fire department equipment to standpipe systems.
15C-7 ACCEPTABLE MANUFACTURERS:
a) Viking, Reliable, or equal.
15C-8 QUALIFICATION OF SPRINKLER CONTRACTOR:
a) Fire protection work shall be installed by a firm with at least three (3) years of successful installation
experience on projects with the fire protection work similar to that required for project by a qualified
Contractor (sprinkler fitter or per jurisdictional dictates). The Sprinkler Contractor's design shall be
stamped by a Registered Professional Engineer licensed in the state of the project.
15C-9 TESTING AND FLUSHING OF SYSTEM:
a) All piping shall be hydrostatically tested for a period of two (2) hours at not less than 200 psi pressure.
If leaks appear, lines shall be drained, leaks repaired and test repeated. No piping shall be concealed
in any manner before being tested and approved.
b) Tests shall be made in the presence of an inspector from the authorities having jurisdiction. The
Owner shall be notified of time of all tests in advance of the date.
15C-10 EQUIPMENT AND MATERIALS:
a) All materials and equipment furnished as part of this contract shall be UL listed, Owner’s insurance
company approved and in compliance with applicable provisions of the NFPA.
b) No plastic piping will be allowed.
15C-11 SPRINKLER HEADS:
a) Unless indicated otherwise, sprinkler heads shall be as follows:
1. Exposed Areas Without Ceiling Brass, Unplated Sprinklers.
2. Finished Ceiling Areas Recessed mount with escutcheon and with all parts polished chrome.
b) Temperature rating of fusible plug or link of sprinklers shall be appropriate for the ambient conditions
in the immediate areas.
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FIRE SPRINKLER SYSTEM 15C-3
15C-12 SPARE HEADS:
a) Contractor shall furnish spare sprinkler heads identical to each type installed in accordance with the
following schedule:
# Installed of Spares
Less than 300 6
More than 300 12
b) Spare sprinkler head shall be mounted in emergency sprinkler cabinet. Cabinet shall be located in
Mechanical room. See drawings for location.
15C-13 DESIGN AND CALCULATION:
a) Contractor shall perform necessary calculations required for proper design and installation of the
sprinkler system for the entire building (existing and addition.) All design calculations and layout of
the sprinkler system network shall be based on the Specifications and accompanying drawings.
Request for HVAC duct and equipment relocations shall be submitted to the Engineer one (1) week
before the bid opening date. No sprinkler pipe penetration will be allowed through HVAC duct system.
15C-14 MISCELLANEOUS EXECUTION:
a) All sprinkler heads shall be positioned approximately half way between rows of lights and at
approximately center of ceiling tile. It shall be the responsibility of the sprinkler designing engineer to
accommodate this requirement. Failure to comply with this requirement will result in return of
submitted design for resubmission.
b) All piping shall be installed within 6 inches of the structure. Offset around obstacles as necessary and
return piping to within 6 inches of structure as close to offset as possible. Branch piping shall be run
between concrete stem or steel joists in rooms without ceilings.
c) Sprinkler heads shall be installed in the center of ceiling tiles.
15C-15 INSPECTIONS AND TESTING:
a) The fire sprinkler system Engineer of Record (EOR) shall inspect the sprinkler system installation for
conformance with the sprinkler system design documents, the requirements of NFPA 13 and all
codes applicable to the design and installation. Upon completion of the inspection, the EOR shall
submit to the Contractor, Architect, and Engineer a report listing all deficiencies, conflicts, errors, etc.,
found during the inspection. The report shall be submitted no less than two weeks prior to the
scheduled date of substantial completion, and shall bear the seal and signature of the Design
Engineer. Work required addressing deficiencies, conflicts, errors, etc., listed in the fire sprinkler
EOR’s inspection report shall be performed by the fire sprinkler contractor at his/her own expense.
As-built record drawings and hydraulic calculations shall be revised to include any and all additions
and modification, and shall bear the seal and signature of the EOR.
b) Upon completion of the fire sprinkler system installation, the EOR shall inspect and test the system in
accordance with NFPA 13 requirements for systems acceptance and system operational tests in the
presence of the sprinkler system design engineer and a representative of the AHJ. The “Contractors
Material and Test Certificate for Aboveground Piping” and a report of systems operational tests shall
be submitted with the fire sprinkler as-built record documents. The acceptance test certificates and
operational test reports shall indicate the date of the tests and bear the signatures of the installing
contractors performing the tests, and the design engineer and the AHJ witnessing the tests.
END OF SECTION 15C