HomeMy WebLinkAboutM-5.03RELEASED FOR CONSTRUCTION
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HVAC SPECIFICATIONS
1. GENERAL PROVISIONS
A. THE PROVISIONS OF THE INSTRUCTIONS TO BIDDERS, GENERAL CONDITIONS,
SUPPLEMENTARY CONDITIONS, ALTERNATES, ADDENDA'S', AND DIVISION 1 ARE A PART
OF THIS SPECIFICATION. CONTRACTORS AND SUBCONTRACTORS SHALL EXAMINE SAME
AS WELL AS OTHER DIVISIONS OF THE SPECIFICATIONS WHICH AFFECT WORK UNDER
THIS DIVISION.
B. THIS CONTRACTOR SHALL PROVIDE ALL LABOR, EQUIPMENT, SUPPLIES, SERVICES,
AND SHALL PERFORM ALL WORK COMPLETE AND IN STRICT ACCORDANCE WITH THIS
SPECIFICATION AND APPLICABLE DRAWINGS. ANY DEVIATIONS SHALL BE CLEARLY
DEFINED AND ITEMIZED IN ACCORDANCE WITH SECTION 10.E OF THIS SPECIFICATION.
C. THIS CONTRACTOR IS INSTRUCTED TO READ CAREFULLY THE SPECIFICATIONS FOR ALL
PARTS OF THE WORK, WHICH INCLUDE THE ARCHITECTURAL, ELECTRICAL,
MECHANICAL, PLUMBING, FIRE PROTECTION, CAL, STRUCTURAL AND ALL OTHER
DRAWINGS AS WELL AS THE SPECIFICATIONS FOR ALL THE DMSIONS THAT ARE PART
OF THE CONTRACT DOCUMENTS.
D. ALL ITEMS OF LABOR, MATERIAL, AND EQUIPMENT NOT SPECIFICALLY MENTIONED
HEREIN OR SHOWN ON PLAN, BUT INCIDENTAL TO, OR REQUIRED FOR THE
COMPLETE INSTALLATION AND PROPER OPERATION OF THE WORK, SHALL BE
FURNISHED AS IF CALLED FOR IN DETAIL BY THE SPECIFICATIONS OR DRAWINGS.
E. AS USED IN THIS SPECIFICATION, 'PROVIDE" MEANS 'FURNISH AND INSTALL".
"FURNISH MEANS "TO PURCHASE AND DELIVER TO THE PROJECT SITE COMPLETE WITH
EVERY NECESSARY APPURTENANCE AND SUPPORT,"AND 'INSTALL" MEANS TO UNLOAD
AT THE DELIVERY POINT AT THE SITE AND PERFORM EVERY OPERATION NECESSARY
FOR PROPER INSTALLATION PER CODES AND MANUFACTURERS REQUIREMENTS, TO
ESTABUSH SECURE MOUNTING AND CORRECT OPERATION AT THE PROPER LOCATION
IN THE PROJECT."
2.PERMITS, CODES, INSPECTIONS AND TEM.
A THE HVAC CONTRACTOR SHALL SECURE AND PAY FOR ALL PERMITS AND
INSPECTIONS REQUIRED FOR THE PROSECUTION OF HVAC WORK. ALL PERMITS AND
CERTIFICATES OF INSPECTION AND APPROVAL SIGNED BY THE CONTROLLING BUILDING
DEPARTMENT SHALL BECOME PROPERTY OF THE OWNER
B. DRAWINGS INDICATE THE MINIMUM DESIGN REQUIREMENTS. NATIONAL, STATE, AND
LOCAL CODES SHALL BE FOLLOWED, COMPLY WITH THE LATEST EDITIONS OF THE
STATE MECHANICAL CODE, NFPA, SMACNA AND ASHRAE STANDARDS. THE
CONTRACTOR SHALL INCLUDE THE COST OF SATISFYING SUCH CODES AND
STANDARDS IN THE BID,
C. FOLLOWING COMPLETION OF THE HVAC WORK, FURNISH TO THE OWNER, IN
DUPLICATE, CERTIFICATES OF INSPECTION AND APPROVAL BY REGULATORY AGENCIES
HAVING JURISDICTION.
(1) DEMONSTRATE TO THE OWNER'S SATISFACTION THE PROPER OPERATION OF EACH
OF THE SYSTEMS COMPRISING THIS CONTRACT BEFORE FINAL PAYMENT.
(2) IMMEDIATELY CORRECT ANY WORK FOUND AT VARIANCE WITH THESE
SPECIFICATIONS, THE NATIONAL, STATE, AND LOCAL CODES, AND REQUIREMENTS
OF GOVERNING REGULATORY AGENCIES.
(3) TEST PIPING FOR LEAKS: REPAIR LEAKS IN COPPER TUBING BY SWEATING OUT
JOINT; THOROUGHLY CLEANING BOTH TUBE AND FIIDNG, AND RESOLDERING.
CORRECT LEAKS IN SCREWED JOINT BY REPLACING THREAD OR FITTING OR
BOTH.
(4) PROVIDE SERVICES OF A CERTIFIED A.A.B.C. OR N.E.E.B. TEST AGENCY.
CONDUCT ALL TESTS IN ACCORDANCE WITH ASSOCIATED AIR BALANCE COUNCIL
STANDARDS. TEST AND ADJUST AIR HANDUNG SYSTEM TO WITHIN 5% OF
DESIGN REQUIREMENTS.
3. VISIT TO THE SITE
A THE CONTRACTOR SHALL VISIT THE SITE OF THE WORK AND BECOME FAMILIAR
WITH ALL CONDITIONS AFFECTING THE WORK. THE SUBMISSION OF A PROPOSAL
SHALL PRESUPPOSE KNOWLEDGE OF ALL SUCH CONDITIONS AND NO ADDITIONAL
COMPENSATION SHALL BE ALLOWED WHERE EXTRA LABOR OR MATERIALS ARE
REQUIRED BECAUSE OF IGNORANCE OF THESE CONDITIONS..
4.PROTECTION
A THE HVAC CONTRACTOR SHALL PROVIDE ALL NECESSARY PROTECTION FROM DIRT AND
WATER DURING CONSTRUCTION NECESSITATED BY HVAC WORK. PROTECTION METHODS
ARE SUBJECT TO APPROVAL BY THE ARCHITECT.
5.EQUIPMENT AND MATERIALS
A. ALL EQUIPMENT AND MATERIALS SHALL BE NEW AND SHALL CONFORM TO
UNDERWRITERS' LABORATORIES STANDARDS, WHERE APPLICABLE. WHERE
SPECIFICATIONS DESCRIBE, OR PLANS SHOW, MATERIALS OR EQUIPMENT OF HIGHER
QUALIFY THAN REQUIRED BY CODE AND LOCAL RULING, THE DRAWINGS AND
SPECIFICATIONS SHALL GOVERN THE QUALITY OF THE MATERIAL OR EQUIPMENT. USED
EQUIPMENT OR MATERIALS R .
B. NEW OR EXISTING TO REMAIN EQUIPMENT SHALL NOT BE OPERATED DURING
CONSTRUCTION. HVAC CONTRACTOR SHALL COORDINATE WITH OTHER TRADES AND
PROVIDE TEMPORARY SPACE CONDITIONING IN ORDER TO MAINTAIN TEMPERATURES
AND HUMIDITY LEVELS AS REQUIRED FOR GENERAL CONSTRUCTION.
C. THE CONTRACTOR SHALL SUBMIT PROOF, IF REQUESTED BY THE OWNER, THAT THE
MATERIALS, APPLIANCES, EQUIPMENT OR DEVICES FURNISHED AND INSTALLED UNDER
THIS CONTRACT MEET THE REQUIREMENTS OF THE UNDERWRITERS' LABORATORIES,
INC. IN REGARDS TO FIRE AND CASUALTY HAZARDS. THE LABEL OF OR LISTING BY
THE UNDERWRITERS' LABORATORIES, INC. WILL BE ACCEPTED AS CONFORMING TO
THIS REQUIREMENT. IN UEU OF THE LABEL OR LISTING, THE CONTRACTOR MAY
SUBMIT INDEPENDENT PROOF SATISFACTORY TO THE ARCHITECT THAT THE MATERIAL,
APPLIANCES OR DEVICES CONFORM TO THE PUBUSHED STANDARDS, INCLUDING
METHODS OF TEST FOR THE UNDERWRITERS' LABORATORIES INCORPORATED.
UNDERWRITERS LABORATORIES, INC. AND ITS PUBLICATIONS WILL BE REFERRED TO
HEREINAFTER BY THE ABBREVIATION UL WITH OR WITHOUT ADDITIONAL IDENTIFYING
SYMBOLS.
6. GUARANTEE
A THE HVAC CONTRACTOR SHALL GUARANTEE FOR A PERIOD OF ONE YEAR THAT ALL
WORK AND EQUIPMENT WILL REMAIN FREE FROM ALL DEFECTS IN WORKMANSHIP AND
MATERIALS, AND THAT IT WILL COMPLY WITH ALL THE SPECIFIC REQUIREMENTS OF
THE SPECIFICATIONS AND OTHER CONTRACT DOCUMENTS GOVERNING THE WORK.
B. ALL WORK FOUND BY THE ENGINEER TO BE DEFECTIVE WILL BE REPLACED WITH
NEW WORK MEETING ALL THE REQUIREMENTS OF THE CONTRACT. THE HVAC
CONTRACTOR WILL BEAR ALL COSTS OF SUPPLYING SUCH NEW, AND INSrAWNG AND
FINISHING SAME, AND WILL ASSUME ALL COSTS FOR REPLACING OTHER WORK
DAMAGED BY THE REMOVAL AND REPLACEMENT OF ANY OF THE WORK. THE HVAC
CONTRACTOR WILL BEAR ALL COSTS FOR FREIGHT, DRAYAGE AND DEMURRAGE, AND
ALL LABOR IN CONNECTION THEREWITH.
7. CURING, PATCHING, FIRESTOPPING AND PANTING
A. THIS CONTRACTOR SHALL BE RESPONSIBLE FOR CUTTING ALL HOLES REQUIRED FOR
INSTALLATION OF HVAC WORK. HOLES SHALL BE CLIFF IN A NEAT MANNER
SATISFACTORY TO THE ARCHITECT.
B. CONTRACTOR SHALL EMPLOY AN BUILDING OWNER APPROVED ROOFING CONTRACTOR
FOR ALL ROOF PENETRATIONS. ROOF SHALL BE REPAIRED SO AS NOT TO VOID
ROOF WARRANTY.
D. THIS CONTRACTOR ASSUMES ALL RESPONSIBILITY FOR All COSTS FOR REDESIGN
AND CHANGES NECESSARY BY ALL TRADES TO ACCOMMODATE THE USE OF
EQUIPMENT NOT SPECIFIED ON PROJECT DOCUMENTS.
E. BIDS SHALL BE BASED UPON THE SPECIFIED PRODUCTS OR LISTED ALTERNATIVES.
DRAWINGS AND SPECIFICATIONS ARE BASED ON THE PRODUCTS SPECIFIED BY TYPE,
MODEL, AND SIZE, AND THUS ESTABLISH MINIMUM QUALITIES, WHICH SUBSTITUTES
MUST MEET TO QUAUFY FOR REVIEW.
F. SHOULD THE CONTRACTOR PROPOSE TO FURNISH MATERIALS, EQUIPMENT, AND
DEVICES, OTHER THAN THOSE SPECIFIED AND LISTED. THE CONTRACTOR SHALL
SUBMIT A WRITTEN REQUEST FOR SUBSTITUTIONS TO THE ENGINEER AT LEAST
FOURTEEN (14) CALENDAR DAYS PRIOR TO BID OPENING. THE REQUEST SHALL BE
AN ALTERNATE TO THE ORIGINAL BID AND SHALL INCLUDE AND BE ACCOMPANIED
WITH COMPLETE SPECIFICATION CUT SHEET SUBMITTALS AS OUTLINED IN SECTION
LOA OF THIS SPECIFICATION SECTION, COMPLETE WITH DESCRIPTIVE (MANUFACTURER,
BRAND NAME, CATALOG NUMBER, ETC) AND TECHNICAL DATA FOR ALL ITEMS.
INDICATE ANY ADDITIONS OR DEDUCTIONS TO THE CONTRACT PRICE ON BOTH THE
SUBSTITUTION SUBMITTAL AND THE BID FORM. FAILURE TO PERFORM THESE ACTIONS
EQUATES TO ACKNOWLEDGEMENT THAT THE PROJECT HAS BEEN BID WITH STRICT
ACCORDANCE TO THIS SPECIFICATION AND APPLICABLE DRAWINGS.
G. ACCEPTANCE OR REJECTION OF THE PROPOSED SUBSTITUTIONS SHALL BE SUBJECT
TO APPROVAL OF THE ARCHITECT AND ENGINEER. IF REQUESTED, THE CONTRACTOR
SHALL SUBMIT INSPECTION SAMPLES OF BOTH THE SPECIFIED AND THE PROPOSED
SUBSTITUTE ITEMS.
H. IF ANY SUBSTITUTIONS ARE APPROVED, AN ADDENDUM LISTING THE APPROVED
FEII WILL BE ISSUED TO ALL BIDDING CONTRACTORS PRIOR TO THE BID DATE.
I. IN ALL CASES WHERE SUBSTITUTIONS ARE PERMITTED, THE CONTRACTOR SHALL BEAR
ANY EXTRA COST OF EVALUATING THE EQUALITY OF THE MATERIAL AND EQUIPMENT
TO BE INSTALLED.
11. EQUIPMENT IDENTIFICATION
A. THE CONTRACTOR SHALL FURNISH AND INSTALL A SYSTEM OF NAMEPLATES DESIGNED
TO IDENTIFY EACH PIECE OF EQUIPMENT.
(1) NAMEPLATE LETTERS AND NUMBERS SHALL MATCH EQUIPMENT DESIGNATION AS
INDICATED ON THE DRAWINGS.
12.
13,
14.
C. UNLESS NOTED OTHERWISE, ALL HOLES OR DAMAGE CAUSED BY THE REMOVAL OF
EXISTING WORK OR THE INSTALLATION OF NEW WORK SHALL BE PROPERLY PATCHED
BY THIS CONTRACTOR. HOLES SHALL BE NEATLY PATCHED AND PANTED WITH
SUITABLE MATERIAL TO MATCH EXISTING SURFACES. HOLES THROUGH FLOORS OR
FIRE WALLS SHALL BE SEALED WITH THE APPROPRIATE INTUMESCENT CAULK, PUTTY, 15.
STRIP OR SHEET FIRE BARRIER PRODUCT.
D. FIRESTOP SYSTEM (REQUIRED FIRESTOPPING MATERIALS) SHALL BE DETERMINED BY
THE WALL OR FLOOR/CEILING ASSEMBLY AND PENETRATION TYPE AND SHALL BE UL
LISTED AND TESTED IN ACCORDANCE WITH ASIM E814, FIRE RATING OF THE
HRESTOP SYSTEM SHALL BE EQUIVALENT TO THE ASSEMBLY WHICH IS PENETRATED.
E ACCEPTABLE FIRE BARRIER PRODUCTS: HILT] "FS-ONE' NELSON FLAMESEAL" OR
APPROVED EQUAL AS MANUFACTURED BY 3M.
&CLEANING AND PAINTING
A CLEAN NEW PIPING AFTER WORK IS COMPLETE TO REMOVE PIPE DOPE. LOOSE MILL
SCALE, AND OTHER EXTRANEOUS MATERIALS.
B. TOUCH UP AND REPAIR ANY DAMAGED FACTORY FINISHES ON EQUIPMENT AND
MATERIALS FURNISHED. OTHER PAINTING WILL BE DONE UNDER THE PAINTING
DIVISION OF THE SPECIFICATIONS.
C ALL EXISTING AIR DISTRIBUTION DEVICES THAT ARE TO BE REUSED SHALL BE
CLEANED WITH MILD SOAP AND WATER SOLUTION AND THOROUGHLY DRIED.
D. ALL EXISTING TO REMAIN HVAC SYSTEMS SHALL BE CLEANED PER CURRENT
NATIONAL AIR DUCT CLEANING ASSOCIATION GENERAL SPECIFICATIONS.
9.000RDINATION AND CONDUCT OF WORK
A HVAC DRAWINGS ARE DIAGRAMMATIC, INDICATING GENERAL ARRANGEMENT,
APPROXIMATE SIZES, GENERAL LOCATIONS OF EQUIPMENT AND PIPING. VERIFY
DIMENSIONS IN FIELD; ADJUST TO MANUFACTURER'S SHOP DRAWINGS. DO NOT
SCALE DRAWINGS.
B. ALL REQUESTS FOR INFORMATION SUPPLEMENTAL TO THE CONSTRUCTION DOCUMENTS
SHALL BE SUBMITTED IN WRITING TO THE ARCHITECT FOR DISTRIBUTION TO THE
APPROPRIATE PARTI
C. DRAWINGS AND SPECIFICATIONS ARE TO BE CONSIDERED AS SUPPLEMENTING EACH
OTHER. WORK SPECIFIED BUT NOT SHOWN, OR SHOWN BUT NOT SPECIFIED, SHALL
BE PERFORMED OR FURNISHED AS THOUGH MENTIONED IN BOTH SPECIFICATIONS
AND DRAWINGS.
D. ANY DISCREPANCIES BETWEEN THE DRAWINGS AND SPECIFICATIONS SHALL BE
BROUGHT TO THE ATTENTION OF THE ARCHITECT AND ENGINEER.
E. ARCHITECTURAL AND STRUCTURAL DRAWINGS SUPERSEDE HVAC DRAWINGS.
DETERMINE THAT WORK OF THIS DIVISION CAN BE ACCOMMODATED WITHIN SPACES
PROVIDED. NOTIFY ARCHITECT OF ANY INTERFERENCE BEFORE STARTING
INSTALLATION.
F. DETERMINE SIZES, LOCATIONS FOR CHASES AND OPENINGS NECESSARY FOR
INSTALLATION OF HVAC WORK, COOPERATE WITH OTHER TRADES IN PROVIDING
SLEEVES, INSERTS AND HANGERS.
G. COORDINATE THIS WORK WITH ALL TRADES. ARRANGE OPERATIONS SO AS NOT TO
DELAY COMPLETION OF INSTALLATION OF ANY PARTS OF INTERRELATED WORK SO
THAT CONSTRUCTION MAY PROCEED ON SCHEDULE.
H. COOPERATE WITH ALL TRADES IN PREPARING INTERFERENCE DRAWINGS FOR AREAS
WHERE THERE IS POSSIBLE CONFLICT BETWEEN TRADES. EXACT LOCATION OF PIPES,
DUCTS AND EQUIPMENT SHALL BE BASED ON FIELD MEASUREMENT WITH FINAL
ARRANGEMENT DETERMINED BY INTRA-TRADE AGREEMENIS SUBJECT TO ARCHITECT'S
APPROVAL.
I. ARCHITECT RESERVES THE RIGHT TO MAKE REASONABLE CHANGES IN INDICATED
LOCATIONS WDHOUI EXTRA COST TO THE OWNER.
J. ALL WORK SHALL BE INSTALLED IN NEAT AND WORKMANLIKE MANNER BY
FIRST -CUSS MECHANICS. THE CONTRACTOR SHALL PROVIDE ADEQUATE AND
COMPETENT SUPERVISION OF THE JOB AS REQUIRED.
K. DUCTWORK, PIPING AND EQUIPMENT SHALL BE ARRANGED SUBSTANTIALLY AS
INDICATED. ANY CHANGE RESULTING IN A SAVINGS IN LABOR OR MATERIAL SHALL
BE MADE ONLY IN ACCORDANCE WITH A CONTRACT CHANGE ORDER. DEVIATIONS
SHALL BE MADE ONLY WHERE NECESSARY TO AVOID INTERFERENCES AND ONLY
AFTER DRAWINGS SHOWING THE PROPOSED DEVIATIONS HAVE BEEN SUBMITTED TO
AND APPROVED BY THE ARCHITECT.
L COORDINATE ALL SHUTDOWNS OF ANY HVAC SYSTEM IN ADVANCE WITH THE OWNER.
10. SUBMITTALS
A PROVIDE A MINIMUM OF SIX (6) SETS OF SHOP DRAWINGS/SUBMITTALS FOR ALL
SCHEDULED AND/OR SPECIFIED EQUIPMENT FOR APPROVAL BY THE ARCHITECT AND
ENGINEER. INFORMATION SHALL INCLUDE, BUT IS NOT UMITED TO; CFM, HP, GPM,
MBH, EER, COP, SEFF, VOLTAGE/PHASE, MCA, CONNECTION SIZES, WEIGHT,
DIMENSIONS, SCHEDULED EQUIPMENT, DIFFUSERS, DAMPERS, USED ACCESSORIES,
ETC. AND OTHER COMPONENTS REQUIRED FOR A COMPLETE INSTALLATION.
B. WHERE ONLY ONE MAKE OF EQUIPMENT IS NAMED, IT SHALL BE PROVIDE AS
SPECIFIED.
C. VERBAL REQUESTS OF APPROVALS FOR ANY SUBSTITUTION WILL NOT BE BINDING ON
THE ARCHITECT, ENGINEER AND OWNER.
(2) NAMEPLATES SHALL BE LAMINATED PHENOUC WITH BLACK SURFACE AND WHITE
GORE. USE 1/16" THICK MATERIAL FOR PLATES UP TO 2" BY 4% FOR URGER
SIZES USE 1/8"THICK. LETTERS AND NUMBERS SHALL BE A MINIMUM OF 'h"
HIGH.
(3) FASTEN NAMEPLATES TO ALL EQUIPMENT BY THE USE OF STAINLESS STEEL
SHEET METAL SCREWS.
AS -BUILT DRAWINGS
A AS WORK PROGRESSES, RECORD ON A SET OF 'AS -BUILT" PRINTS ANY DEVATIONS
FROM DESIGN DRAWINGS. DELIVER THIS SET TO THE OWNER BEFORE SUBMITTING
REQUEST FOR FINAL PAYMENT. THE 'AS -BUILT" PRINTS SHALL BE AN ACCURATE
DEPICTION OF THE PROJECT AS COMPLETED,
OPERATING AND MAINTENANCE MANUALS
A PROVIDE TO OWNER AT PROJECT TURNOVER, THREE (3) HARDBOUND COPIES OF
OPERATING AND MAINTENANCE MANUALS FOR ALL EQUIPMENT AND SYSTEMS
INSTALLED.
B. MANUALS SHALL INCLUDE ALL RELEVANT INFORMATION NEEDED FOR DAY-TO-DAY
OPERATION AND MANAGEMENT OF EACH SYSTEM AND EQUIPMENT MAINTENANCE
INFORMATION REQUIRED TO SUPPORT THE MAINTENANCE PROGRAM.
C. MANUALS SHALL INCLUDE THE SEQUENCE OF OPERATION FOR EACH SYSTEM WHICH
DESCRIBES THE CONTROL COMPONENTS AND HOW THE SYSTEM WILL START, STOP
AND OPERATE.
INSULATION
A PROVIDE ALL INSULATION MATERIALS (INSULATION, JACKETS, FTTNG COVERS,
ADHESIVES, CEMENTS, MASTICS, SEALERS AND FINISHES) WITH A FLAME -SPREAD
INDEX OF 25 OR LESS AND SMOKE DEVELOPED INDEX OF 50 OR LESS. AS TESTED
UNDER PROCEDURE ASTM E-84 (NFPA 255)
B. ALL INSULATION SHALL BE INSTALLED OVER CLEAN, DRY SURFACES. INSULATION
MUST BE DRY AND IN GOOD CONDITION. WEI-2-DAMAGED INSULATION 15-NCI
ACCEPTABLE NO INSULATION SHALL BE APPUED PRIOR TO PRESSURE TEST
COMPLETION OF THE RESPECTIVE SYSTEM.
C. ALL INSULATION SHALL BE CONTINUOUS (INCLUDING VAPOR BARRIER) THROUGH WALL
AND CEILING OPENINGS AND SLEEVES. OVERLAP AT SEAMS PER MANUFACTURER'S
RECOMMENDATIONS.
D. ALL INSULATION PRODUCTS SHALL BE APPLIED IN ACCORDANCE WITH
MANUFACTURER'S WRITTEN RECOMMENDATION. THE WORKMANSHIP SHALL BE FIRST
CUSS AND ALL JOINTS SHALL BE MADE TIGHT.
E. INSULATION MUST MEET ADOPTED ASHRAE 90.1 STANDARDS.
E. INSULATE CONCEALED SUPPLY AIR DUCTWORK WITH Z' THICK OWENS-CORNING
FIBERGLASS DUCTWRAP WITH FOIL FACED ALL -SERVICE JACKET.
F. INSULATE SUPPLY AIR DUCTWORK LOCATED IN PLENUM SPACES WITH 1-1/Z' THICK
OWENS-CORNING FIBERGLASS DUCTWRAP WITH FOIL FACED ALL -SERVICE JACKET.
G. INSULATE OUTDOOR AIR DUCTWORK WITH 1-1/2' THICK OWENS-CORNING
FIBERGLASS DUCTWRAP WITH FOIL FACED ALL -SERVICE JACKET.
H. INTERNAL DUCT INSULATION SHALL BE USED ON EXPOSED DUCTWORK.
I. INSULATE SUPPLY AIR DUCTWORK DOWNSTREAM OF DUCT TERMINAL UNITS WITH
1-1/2" THICK OWENS-CORNING FIBERGLASS DUCTWRAP WITH FOIL FACED
ALL -SERVICE JACKET.
J. REPAIR EXISTING INSULATION WHERE REMOVED FOR NEW CONNECTIONS OR
INSULATION DAMAGED DURING CONSTRUCTION. INSULATION SHALL BE THE SAME AS
SPECIFIED FOR NEW SERVICE.
K. ALL INSULATION USED AS PLENUM WRAP COVERING FOR COMBUSTIBLE MATERIALS IN
A PLENUM SPACE SHALL BE 3M PLENUM PROTECTION SYSTEM (PP-100-P), ONE
LAYER OF 3M FIRE BARRIER DUCT WRAP 5A, IN ACCORDANCE WITH UL910 @
UL1887.
L ACOUSTICAL DUCT LINING:
(1) INTERNALLY LINE FIRST TEN FEET OF DUCTWORK FROM AIR HANDLERS AND
TERMINAL UNITS AND WHERE INDICATED ON PLANS.
(2) FIBROUS GLASS, COMPLYING WITH THERMAL INSULATION MANUFACTURERS
ASSOCIATION (TIMA) AHC-101.
(3) ASTM C 1071, TYPE II, WITH COATED SURFACE EXPOSED TO AIRSTREAM TO
PREVENT EROSION OF GLASS FIBERS V THICK. 1- 'h LB. DENSITY. COATING
MATERIAL SHALL BE ANTI -MICROBIAL AND COMPLY WITH NFPA 90A AND 90B.
(4) K-FACTOR'EQUAL TO 0.28 OR BETTER, AT MEAN TEMPERATURE OF 75 DEG. F.
(5) FUME SPREAD INDEX SHALL BE 25 OR LESS AND SMOKE DEVELOPED INDEX
SHALL BE 50 OR LESS, AS TESTED IN ACCORDANCE WITH ASTM C 411.
(6) DUCT LINING ADHESIVE SHALL COMPLY WITH ASTM C 916 SPECIFICATIONS FOR
ADHESIVES FOR "DUCT THERMAL INSULATION'. DUCT LINING FASTENERS ALL
COMPLY WITH SMACNA DUCT CONSTRUCTION STANDARDS, ARTICLE S2.11
(7) ALTERNATE DUCT LINING MATERIAL - ARMACELL AP ARMAFl.EX SA BUCK DUCT
LINER, 3/4" THICK, MICROBAN ANTI -MICROBIAL PROTECTION.
METAL DUCTWORK
A HVAC CONTRACTOR SHALL VERIFY ALL EXISTING CONDITIONS PRIOR TO FABRICATION
OF DUCTWORK. ANY CONFUCTS OR INTERFERENCES SHALL BE BROUGHT TO THE
ATTENTION OF THE ENGINEER.
B. GALVANIZED DUCTWORK SHALL BE FABRICATED OF NO.1 PRIME GALVANIZED SHEET
METAL OF LOCK FORMING QUALITY.
C. SEALING MATERIALS SHALL BE SUITABLE FOR; USE WITH AIR DISTRIBUTION
DUCTWORK. ACCEPTABLE MANUFACTURERS ARE MONOCO INDUSTRIES, 3M, OR
UNITED SHEET METAL.
D. PROVIDE ALL DUCTWORK AS INDICATED ON THE DRAWINGS, MAKING ALL NECESSARY
OFFSETS (WHETHER OR NOT SPECIFICALLY INDICTED) AS REQUIRED TO MEET THE
VARIOUS BUILDING CONDITIONS. DUCTWORK INSTALLATION SHALL NOT CONVICT WITH
EQUIPMENT OR PIPING.
E. EXPOSED DUCTWORK SHALL BE PRIMED AND PAINTED. COORDINATE WITH
ARCHITECTURAL PLANS FOR COLOR SELECTION.
F. ALL CHANGES IN CROSS SECTION SHALL BE MADE WITHOUT REDUCING THE DESIGN
AREA OF THE DUCT OR RAISING THE PRESSURE DROP PER 100 FEET OF DUCT
SHOWN ON DOCUMENTS.
G. NO PIPE OR OTHER OBSTRUCTIONS SHALL PASS THROUGH AN DUCTS, UNLESS
SPECIFICALLY SHOWN ON PLANS.
H. CAP ALL OPEN ENDS TO DUCTWORK DURING CONSTRUCTION TO PREVENT ENTRANCE
OF DUST, DEBRIS, MOISTURE ETC.
I. INSTALL DUCTWORK RUN ABOVE CEILING AS HIGH AS POSSIBLE SO AS TO MAINTAIN
DESIGN CEILING HEIGHTS. EXPOSED DUCTWORK SHALL BE INSTALLED TO PROVIDE
MAXIMUM HEADROOM OR AT HEIGHT SPECIFIED ON PLANS.
J. DUCTWORK SHALL NOT HE HUNG FROM EQUIPMENT, PIPING, CONDUIT, ROOF DECKING
OR OTHER DUCTWORK.
K. ALL DUCTWORK JOINTS AND SEAMS SHALL BE AIR -TIGHT PER SMACNA TABLE 1.1.
POORLY MADE JOINTS, SPLITS, VISIBLE HOLES AT CORNERS, ETC SHALL BE
REWORKED AND REPAIRED. WHERE EXCESSIVE PULSATING OF DUCTWORK IS FOUND,
ADDITIONAL STIFFENERS SHALL BE ADDED. ANY CRACKING IN THE SEALANT THAT IS
APPARENT UPON INSPECTION SHALL BE SUFFICIENT TO WARRANT REJECTION.
L IF THE INTERIOR OF SHEET METAL IS EXPOSED TO VIEW THROUGH AIR DISTRIBUTION
OEVICES IN FINISHED AREAS OF THE BUILDING, IT SHALL BE COATED WITH PRIMER
AND A FLAT BLACK FINISH COAT.
M. ALL DUCTWORK SHALL BE SUPPORTED PER SMACNA REQUIREMENTS.
N. RECTANGULAR DUCTWORK FITTINGS.
(1) BRANCH CONNECTIONS SHALL BE 45 DEGREES ENTRY. STRAIGHT TAPS ARE
NOT PERMITTED.
(2) CHANGES IN DIRECTION SHALL BE MADE WITH FULL RADIUS ELBOWS WITH
RADIUS EQUAL TO 1-1/2 TIMES THE HORIZONTAL WIDTH OF THE DUCT OR
WITH SQUARE ELBOWS WITH TURNING VANES. TURNING VANES SHALL BE
DOUBLE THICKNESS TYPE CONSTRUCTED OF THE SAME MATERIAL AS THE
SURROUNDING DUCTWORK, PER SMACNA REQUIREMENTS.
O. ROUND DUCTWORK FITTINGS:
(1) BRANCH CONNECTIONS SHALL BE MADE WITH 45 DEGREE ENTRY TEES.
(2) CHANGE IN DIRECTION SHALL BE MADE WITH FULL RADIUS ELBOWS WITH RADIUS
EQUAL TO 1-1/2 TIMES THE DIAMETER OF THE DUCT.
P. LOW PRESSURE DUCTWORK SHALL BE CONSTRUCTED PER SMACNA "HVAC DUCT
CONSTRUCTION STANDARDS'FOR 2 INCH STATIC PRESSURE, SEAL CUSS "B'.
Q. HANGERS AND SUPPORTS
(1) PROVIDE GALVANIZED STEEL STRAPS, ALL -THREAD ROD AND HORIZONTAL ANGLE
SUPPORTS SIZED PER SMACNA REQUIREMENTS.
(2) DUCT ATTACHMENTS SHALL BE MADE USING SHEET METAL SCREWS COMPATIBLE
WITH DUCT MATERIALS.
(3) BUILDING ATTACHMENTS SHALL BE CONCRETE INSERTS OR STRUCTURAL STEEL
FASTENERS APPROPRIATE FOR THE BUILDING MATERIALS. DO NOT USE POWER
ACTIVATE CONCRETE FASTENERS. "C TYPE MALLEABLE IRON BEAM CLAMPS ARE
ACCEPTABLE ONLY IF USED WITH CARBON STEEL RETAINER STRAP.
16. FLEXIBLE DUCTWORK
A TESTED AND CLASSIFIED BY UNDERWRITERS LABORATORIES, INC. AS CUSS I AIR
DUCT AND LABELED IN ACCORDANCE WITH U.L. 181, STANDARD FOR AIR DUCTS".
THE FLAME SPREAD RATING SHALL BE 25 OR LESS AND THE SMOKE DEVELOPED
RATING SHALL BE 50 OR LESS.
B. LINER SHALL BE CONSTRUCTED OF ALUMINUM FOIL, FIBERGLASS AND ALUMINIZED
POLYESTER, MECHANICALLY LOCKED WITHOUT ADHESIVES, HELIX SHALL BE
GALVANIZED STEEL, FORMED AND MECHANICALLY LOCKED TO FABRIC.
C. WHERE DUCTWORK IS TO BE INSULATED, FLEXIBLE DUCTWORK UNER SHALL BE
COVERED BY A FACTORY WRAPPED, 1-1/2'THICK, 3/4POUND DENSITY FIBERGLASS
INSULATION BLANKET WITH A FIRE RETARDANT REINFORCED ALUMINUM OUTER JACKET.
O. INSTALL FLEXIBLE DUCTWORK FULLY EXTENDED, FREE OF SAGS AND KINKS.
MAXIMUM LENGTH OF FLEXIBLE DUCTWORK SHALL BE 3'-0". FASTEN FLEXIBLE
DUCTWORK TO RIGID DUCTWORK AND DEVICES WITH SELF-LOCKING 100 PERCENT
NYLON, ADJUSTABLE DIAMETER CLAMPS.
E. ACCEPTABLE MANUFACTURERS ARE THERMAFl.DC FLLXMASTER U.S.A. INC. AND
CLFVAFLEX.
17. BALANCING DAMPERS
A PROVIDE BALANCING DAMPERS FOR ALL AIR TERMINAL DEVICES (SUCH AS BUT NOT
LIMITED TO, DIFFUSERS, REGISTERS, GRILLES, EFC.) AND BRANCH DUCTWORK
REQUIRED FOR PROPER BALANCING OF SYSTEM.
B. ROUND DAMPERS SHALL BE SINGLE BLADE TYPE CONSTRUCTION, MINIMUM 18 GAUGE
GALVANIZED STEEL. PIVOT ROD SHAFT SHALL BE CONTINUOUS.
C. RECTANGULAR DAMPERS SHALL BE SINGLE BLADE OR MULTIPLE (OPPOSED BLADE)
TYPE CONSTRUCTION. MAXIMUM BLADE WIDTH IS 8 INCHES.
0. ALL BALANCING DAMPERS SHALL BE CONSTRUCTED IN ACCORDANCE WITH SMACNA
'HVAC DUCT CONSTRUCTION STANDARDS'
E. FURNISH ALL BALANCING DAMPERS WITH YOUNG REGULATOR COMPANY VALCALOX
REGULATORS WITH HANDLE PERMANENTLY ATTACHED. DAMPER HANDLE POSITION
SHALL BE SECURELY LOCKED IN PLACE BY TIGHTENING OF A LOCK NUT. WHERE
DUCTWORK IS EXTERNALLY INSULATED, REGULATOR BASE HEIGHT SHALL
ACCOMMODATE INSULATION THICKNESS.
F. PROVIDE ALL MANUAL BALANCING DAMPERS WHERE INDICATED ON THE DRAWINGS
AND WHERE NECESSARY TO PROPERLY DISTRIBUTE AND BALANCE THE AIR.
18. REGISTERS, GRILLES AND DIFFUSERS
A PROVIDE REGISTERS, GRILLS AND DIFFUSERS WHERE SHOWN ON THE DRAWINGS, OF
SIZE TYPE, AND MATERIAL AS INDICATED AND AS REQUIRED FOR A COMPLETE
INSTALLATION.
B. BORDER TYPES SHALL BE COMPATIBLE WITH THE CEILINGS WHERE THE GRILLES AND
DIFFUSERS ARE TO BE INSTALLED.
C ALL GRILLES AND DIFFUSERS SHALL BE FINISHED WITH A FACTORY APPLIED
OFF-WHITE FINISH UNLESS NOTED OTHERWISE.
D. REFER TO ARCHITECTURAL REFLECTED CEILING PUNS FOR EXACT LOCATION OF
GRILLES AND DIFFUSERS.
19. VIBRATION ISOLATION
A PROVIDE ADEQUATE VIBRATION ISOLATION FOR EACH PIECE OF EQUIPMENT.
B. PROVIDE FLEXIBLE CONNECTIONS WITH V SLACK BETWEEN DUCTS AND FANS AS
MANUFACTURED BY DURO-DYNE, OR EQUIVALENT.
C. PROVIDE FLEXIBLE HUNG ON PIPING CONNECTIONS TO EQUIPMENT.
20. REFRIGERATION AND AIR CONDITIONING CONDENSATE PIPING SYSTEMS
A USE TYPE DWV COPPER PIPING WITH BRAZED DRAINAGE FITTINGS FOR CONDENSATE
PIPING.
B. USE TYPE ACR COPPER PIPING WITH BRAZED WROUGHT COPPER FITTINGS FOR ALL
REFRIGERATION PIPING.
C. PITCH PUMPED AND GRAVITY CONDENSATE PIPING AT 1/8 INCH PER FOOT IN
DIRECTION OF FLOW.
D. INSULATE ALL INTERIOR CONDENSATE PIPING AND REFRIGERATION SUCTION PIPING
WITH 3/4 INCH ARMACELL CLOSED CELL SELF SEALING ARMAFLEX INSULATION.
21. HVAC PIPING
A CONDENSER WATER PIPING AND FITTINGS SHALL BE TYPE L HARD COPPER PIPE
WITH WROUGHT COPPER SOLDER JOINT FITTINGS THRU 1.5" PIPE SIZES. PIPING 2"
AND LARGER SHALL BE SCHEDULE 10 BLACK STEEL MCTAULIC PIPING WITH
MECHANICAL COUPLINGS DESIGNED FOR SPECIFIC USE.
B. SHUT-OFF VALVES SHALL BE BRONZE OR VICTAVUC IRON BODY, TWO PIECE, FULL
PORT, LEVER HANDLE BALL VALVES WITH TEFLON SEATS, CHROME PLATED BRASS OR
STEEL BALL RESPECTIVELY, STEEL OR BRASS STEM AND SOLDER OR GROOVED ENDS.
RESPECTIVELY. 600 PSI WOG.
C. BALANCING VALVES
(1) MANUAL - BRONZE BODY, COMBINATION VENTURI AND BALL VALVE WITH TWO
PRESSURE TEMPERATURE TEST PORTS, MEMORY STOP, INLET UNION CONNECTION
AND THREADED ENDS, 400 PSI AT 259F. ACCEPTABLE MANUFACTURER: FLOW
DESIGN INC. "FLOWSEr
(2) AUTOMATIC - BRASS Y-TYPE BODY, INTEGRAL BRASS -BODY BALL VALVE WITH
TWO PRESSURE TEMPERATURE TEST PORTS, OVABLE/REPLACEABLE STAINLESS
STEEL FLOW CARTRIDGE AND THREADED ENDS, 400 PSI AT 250'F. ACCEPTABLE
MANUFACTURER: FLOW DESIGN INC. 'AUTOFLOW'.
D. INSTALLATION
(1) INSTALL CONDENSER WATER PIPING SYSTEM AS INDICATED WITH CONNECTIONS
MADE TO ALL EQUIPMENT AS SHOWN.
(2) WHERE LINES ARE REDUCED IN SIZE, ECCENTRIC REDUCING FITTINGS SHALL BE
USED TO ALIGN TOP OF MAINS AND PREVENT AIR POCKETS.
(3) BRANCH CONNECTIONS FROM MANS TO RISERS OR EQUIPMENT BELOW MAINS
SHALL BE TAKEN FROM THE BOTTOM OF THE MAIN AND PROVIDED WITH AT
LEAST THREE ELBOWS FOR EXPANSION. SUPPLY RUN -OUTS SHALL PITCH
DOWN AWAY FROM MAIN 1 INCH IN 5'-0". RETURN RUN-OLTIS SHALL PITCH UP
TO MAIN 1 INCH IN 5'-0
(4) BRANCH CONNECTIONS FROM MAINS TO RISERS OR EQUIPMENT ABOVE MAINS
SHALL BE TAKEN FROM THE TOP OF MAIN AND PROVIDED WITH AT LEAST
THREE ELBOWS FOR EXPANSION. SUPPLY RUN -OUTS SHALL PITCH UP AWAY
FROM MAIN 1 INCH IN V-00. RETURN RUN -OUTS SHALL PITCH DOWN TO MAIN
1 INCH IN 5'-0".
(5) INSTALL MANUAL AIR VENTS AT ALL HIGH POINTS IN THE PIPING SYSTEM WHERE
INDICATED AND WHERE OTHERWISE NEEDED FOR COMPLETE AIR ELIMINATION
FROM THE SYSTEM. INSTALL AN VENTS ON THE HIGH SIDE OF ALL EQUIPMENT
CONNECTIONS.
(6) INSTALL DRAIN VALVES AT ALL LOW POINTS OF THE SYSTEM.
(7) PROVIDE A SHUT -Off VALVE IN THE SUPPLY TO EACH COOUNG COIL,
CONVECTOR, FINNED TUBE RADIATOR OR CONDENSER AND A BALANCING VALVE
IN THE RETURN LINE. BALANCING DEVICE SHALL ALSO SERVE AS A SHUT-OFF
VALVE.
E. TESTING AND CLEANING
(1) ALL CONDENSER, CHILLED WATER, HEATING HOT WATER SYSTEMS SHALL BE
PRESSURE TESTED WITH WATER TO 125 PSI. TEST DURATION SHALL BE 6
HOURS.
(2) CLEAN ALL SYSTEMS AS FOLLOWS: FILL SYSTEM WITH CLEAN WATER AND
FLUSH; REFILL WITH CLEAN WATER/DETERGENT MIXTURE, CIRCULATE FOR AT
LEAST 8 HOURS. DRAIN SYSTEM AND FLUSH WITH CLEAN COLD WATER. ADD
WATER TREATMENT AT THIS TIME.
22. WATER SOURCE HEAT PUMP UNITS
A DESCRIPTION: PACKAGED WATER -SOURCE HEAT PUMP WTH TEMPERATURE CONTROLS;
FACTORY ASSEMBLED, TESTED, AND RATED ACCORDING TO ARI-ISO-13256-1, ER
USTED.
B. CABINET AND CHASSIS: PANTED STEEL CASING WITH THE FOLLOWING FEATURES:
1. ACCESS PANEL FOR ACCESS AND MAINTENANCE OF INTERNAL COMPONENTS.
2. KNOCKOUTS FOR ELECTRICAL CONNECTIONS. NO KNOCKOUTS FOR PIPING. WATER
CONNECTIONS ARE FLUSH MOUNT WITHOUT REQUIRING BACKUP WRENCH.
3. HORIZONTAL FLAT TOP WITH GRILLE AND HINGED CONTROL COVER
4. CABINET INSULATION: FOIL FACED, MINIMUM h INCH THICK, COMPLYING WITH UL
181.
5. CONDENSATE DRAINAGE: (PVC) PLASTIC DRAIN PAN PITCHED AS REQUIRED IN
ASHRAE 62 WITH CONDENSATE DRAIN PIPING PROJECTING THROUGH UNIT CABINET.
6. SOUND ATTENUATION PACKAGE:
a. MINIMUM 0.598-INCH-THICK COMPRESSOR ENCLOSURE AND FRONT
PANEL. MINIMUM 0.0937-INCH-THICK FOAM GASKEr AROUND THE
COMPRESSOR AND PERIMETER OF END PANEL
b. SOUND ATTENUATING BLANKET OVER COMPRESSOR.
C. FAN: DIRECT DRIVEN, CENTRIFUGAL, WITH MULTI -SPEED MOTOR RESILIENTLY MOUNTED
IN FAN INLET.
1. MOTOR: MULTI -SPEED, PERMANENTLY LUBRICATED, ECM MOTOR OR AS SCHEDULED.
D. WATER CIRCUIT:
1. REFRIGERANT -TO -WATER HEAT EXCHANGERS: 25 'F TO 120'F OPERATING
TEMPERATURE RANGE.
a. INSULATED, EXTENDED RANGE COAXIAL HEAT EXCHANGERS WITH COPPER
WATER TUBE WITH ENHANCED HEAT -TRANSFER SURFACES INSIDE A
STEEL SHELL; BOTH SHELL AND TUBE LEAK TESTED TO 450 PSIG ON
REFRIGERANT SIDE AND 400 PSIG ON WATER SIDE. FACTORY -MOUNT
HEAT EXCHANGER IN UNIT ON RESILIENT RUBBER VIBRATION ISOLATORS.
E. REFRIGERANT -TO -AIR -COILS: COPPER TUBES WITH ALUMINUM FINS, LEAK TESTED TO
450 PSIG.
F. REFRIGERANT CIRCUIT COMPONENTS:
1. SEALED REFRIGERANT CIRCUIT: CHARGE WITH R-410A REFRIGERANT (R-22 IS NOT
ACCEPTABLE).
2. FILTER -DRYER: FACTORY INSTALLED TO CLEAN AND DEHYDRATE THE REFRIGERANT
CIRCUT.
3. CHARGING CONNECTIONS: SERVICE FITTINGS ON SUCTION AND LIQUID FOR
CHARGING AND TESTING.
4. REVERSING VALVE: PILOT -OPERATED SUDING-TYPE VALVE DESIGNED TO BE
FAIL-SAFE IN HEATING POSITION WITH REPLACEABLE MAGNETIC COIL
5. COMPRESSOR: DUAL CAPACITY SCROLL COMPRESSOR INSTALLED ON VIBRATION
ISOLATORS AND HOUSED IN AN ACOUSTICALLY TREATED ENCLOSURE WITH
FACTORY -INSTALLED SAFETIES AS FOLLOWS:
a. DUAL CAPACITY -HEAT PUMP DUTY.
b. ANIN ECYCLE TIMER.
C. HIGH-PRESSURE CUTOUT.
d. LOW-PRESSURE CUTOUT OR LOSS OF CHARGE SWITCH.
e. INTERNAL THERMAL -OVERLOAD PROTECTION.
L FREEZESTAT TO STOP COMPRESSOR IF WATER -LOOP TEMPERATURE IN
REFRIGERANT -TO -WATER HEAT EXCHANGER FALLS BELOW 25 DEG F.
g. CONDENSATE OVERFLOW SWITCH TO STOP COMPRESSOR WITH HIGH
CONDENSATE LEVEL IN CONDENSATE DRAIN PAN.
6. REFRIGERANT PIPING MATERIALS: ASTA1 B 743 COPPER TUBE WITH
WROUGHT -COPPER FITTINGS AND BRAZED JOINTS.
7. PIPE INSULATION: REFRIGERANT MINIMUM 3/8-INCH-THICK, FLEXIBLE EASTOMERIC
INSULATION ON PIPING EXPOSED TO AIRFLOW THROUGH THE UNIT. MAXIMUM
25/50 FUME-SPREAD/SMOKE- DEVELOPMENT INDEXES ACCORDING TO ASTM E
84.
8. REFRIGERANT METERING DEVICE: THERMAL EXPANSION VALVE TO ALLOW SPECIFIED
OPERATION WITH ENTERING -WATER TEMPERATURES FROM 25' F TO 120' F.
G. ELECTRIC HEATING COIL HELIX -WOUND, NICKEL -CHROMIUM WIRE -HEATING ELEMENTS
W CERAMIC INSULATORS MOUNTED ON STEEL SUPPORTS. ENERGIZE ON GALL FOR
HEATING WHEN ENTERING -WATER -LOOP TEMPERATURE IS LESS THAN 25 DEG F.
H. FILTERS: DISPOSABLE, PLEATED TYPE, 1" INCH THICK MERV 11.
I. CONTROLS
1. BASIC UNIT CONTROLS: DOC
a. LOW AND HIGH -VOLTAGE PROTECTION.
b. OVER CURRENT PROTECTION FOR COMPRESSOR AND FAN MOTOR.
c. RANDOM TIME DELAY, THREE TO TEN SECONDS, START ON POWER UP.
d. TIME DELAY OVERRIDE FOR SERVICING.
e. CONTROL VOLTAGE TRANSFORMER.
2. THERMOSTAT:
a. UNIT -MOUNTED TEMPERATURE SENSOR.
I. LED TO INDICATE FAULT CONDITION AT HEAT PUMP.
c. DATA ENTRY AND ACCESS PORT.
1)INPLIr DATA INCLUDE ROOM TEMPERATURE AND HUMIDITY SET POINTS FOR
OCCUPIED AND UNOCCUPIED PERIODS.
2)OUTPUT DATA INCLUDE ROOM TEMPERATURE AND HUMIDITY, SUPPLY -AIR
TEMPERATURE, ENTERING -WATER TEMPERATURE, OPERATING MODE, AND
STATUS.
3. TERMINAL CONTROLLER:
a. REMOTE CONTROL PANEL TO CONTAIN PROGRAMMABLE TIMER AND LED
FOR FAULT CONDITION.
b. COMPRESSOR DISABLE RELAY TO STOP COMPRESSOR OPERATION FOR
DEMAND UNITING OR SWITCH TO UNOCCUPIED OPERATION.
C. AUTOMATIC RESTART AFTER FIVE MINUTES IF FAULT CLEARS. LOCKOUT
AFTER THREE ATTEMPTS TO RESTART FOLLOWING FAULT. INDICATE FAULT
FOR SERVICE TECHNICIAN.
d. RETURN -AIR TEMPERATURE HIGH-UMIT (FIRESTAT). STOP UNIT ON HIGH
TEMPERATURE.
e. BACKUP FOR VOLATILE MEMORY.
J. ELECTRICAL CONNECTION: SINGLE ELECTRICAL CONNECTION WITH FUSED DISCONNECT.
23. HOSE KITS
A. GENERAL HOSE KITS SHALL BE STAINLESS STEEL AND DESIGNED FOR MINIMUM 400
PSIG WORKING PRESSURE, AND OPERATING TEMPERATURES FROM 25 TO 211 DEG.
F. TAG HOSE KITS TO EQUIPMENT DESIGNATIONS.
B. HOSE: LENGTH 24 INCHES. MINIMUM DIAMETER, EQUAL TO WATER -SOURCE
HEAT -PUMP CONNECTION SIZE.
C. ISOLATION VALVES: TWO-PIECE BRONZE -BODY BALL VALVES WITH STAINLESS -STEEL
BALL AND STEM AND GALVANIZED -STEEL LEVER HANDLE. PROVIDE VALVE FOR
SUPPLY AND RETURN. IF BALANCING DEVICE IS COMBINATION SHUTOFF TYPE WITH
MEMORY STOP, THE ISOLATION VALVE MAY BE OMITTED ON THE RETURN.
D. SIWVNER: Y-TYPE WITH BLOW DOWN VALVE IN SUPPLY CONNECTION.
E. BALANCING DEVICE: MOUNT IN RETURN CONNECTION. INCLUDE METER PORTS TO
ALLOW FLOW MEASUREMENT WITH DIFFERENTIAL PRESSURE GAGE.
F. MANUAL, CALIBRATED -ORIFICE BALANCING VALVE.
24. EXHAUST FANS
A CEILING MOUNTED DIRECT DRIVE CENTRIFUGAL EXHAUST VENTILATOR. FANS SHALL
BE UL USTED AND BEAR THE AMIGA CERTIFIED RATING SEAL FOR SOUND AND AIR
PERFORMANCE.
B. ALL FASTENERS SHALL BE CORROSION RESISTANT. ALUMINUM BASE SHALL HAVE
CONTINUOUSLY WELDED CURB CAP CORNERS. MOTOR, BEARINGS AND DRIVE SHALL
BE MOUNTED ON A STEEL ASSEMBLY, ISOLATED FROM THE FAN STRUCTURE WTH
RUBBER VIBRATION ISOLATORS.
C. WHEEL SHALL BE CENTRIFUGAL BACKWARD INCLINED TYPE, CONSTRUCTED OF
ALUMINUM, WITH A MACHINED CAST ALUMINUM HUB.
D. MOTOR SHALL BE HEAVY DUTY TYPE WITH PERMANENTLY LUBRICATED SEALED BALL
BEARINGS.
E. FAN BEARINGS SHALL BE HEAVY DUTY REGREASABLE BALL TYPE WITH A CAST IRON
HOUSING, RATED IN EXCESS OF 200,000 HOURS AT MAXIMUM CATALOGED OPERATING
SPEED.
F. BELTS SHALL BE OIL AND HEAT RESISTANT, NON -STATIC TYPE. DRIVES SHALL BE
MACHINED CAST IRON, KEYED AND SECURELY ATTACHED TO WHEEL AND MOTOR
SHAFTS AND SIZED FOR 150 PERCENT OF THE INSTALLED MOTOR HORSEPOWER
G. ACCEPTABLE MANUFACTURERS: BRAAN, PENN VENTILATOR, COOK GREENHECK AND
ACME.
25. TEMPERATURE CONTROLS
A ALL TEMPERATURE CONTROL COMPONENTS, WIRING AND CONDUIT SHALL BE THE
RESPONSIBNTY OF THE HVAC CONTRACTOR.
B. WIRING AND CONDUIT
(1) ALL 24 VOLT WIRING SHALL BE INSTALLED IN CONDUIT, IN ACCORDANCE WITH
THE LATEST EDITION OF THE NATIONAL ELECTRIC CODE.
(2) ALL OUTDOOR 24 VOLT WIRING SHALL BE INSTALLED IN CONDUIT, IN
ACCORDANCE WITH THE LATEST EDITION OF THE NATIONAL ELECTRIC CODE.
a HVAC CONTRACTOR SHALL USE BUILDING APPROVED TEMPERATURE CONTROL
CONTRACTOR AND MANUFACTURER.
C. TEMPERATURE CONTROL CONTRACTOR SHALL INCLUDE COST OF INTEGRATING NEW
UNITS INTO BUILDING HAS. INTEGRATION SHALL INCLUDE BUT IS NOT LIMITED TO;
UPDATING GRAPHICS, POPULATING CONTROL POINT USTS, ETC.
26. TEMPORARY SERVICES
A. HVAC CONTRACTOR SHALL COORDINATE WITH OTHER TRADES AND PROVIDE
TEMPORARY SPACE CONDITIONING (HEATING AND COOLING AS REQUIRED)
IN ORDER TO MAINTAIN TEMPERATURES AND HUMIDITY LEVELS AS REQUIRED FOR
GENERAL CONSTRUCTION.
B. UTILITY CONNECTIONS REQUIRED FOR TEMPORARY HEATING/COOUNG SHALL BE THE
RESPONSIBIUTY OF THIS CONTRACTOR. COORDINATE WITH GENERAL CONTRACTOR FOR
UTILITY (GAS/ELECTRIC) USE REQUIREMENTS. IT SHALL NOT BE THE RESPONSIBILITY
OF THIS CONTRACTOR TO PAY FOR THE UTILITIES USED DURING PROJECT
CONSTRUCTION.
C. EXISTING OR NEW HVAC SYSTEMS USED DURING CONSTRUCTION:
(1) NEW OR EXISTING SYSTEMS SHALL NOT BE USED WITHOUT THE KNOWLEDGE
AND CONSENT OF THE OWNER, ARCHITECT AND ENGINEER.
(2) CONTRACTOR SHALL ADHERE TO BUILDING GUIDEUNES FOR OPERATING
NEW/EXISTING HVAC SYSTEMS DURING CONSTRUCTION.
(3) ALL SYSTEM RETURN AIR GRILLES SHALL BE PROTECTED USING FILTRATION
MEDIA WITH A MINIMUM EFFICIENCY RATING VALUE (MERV) OF 8, PER ASHRAE
52.2.
(4) ALL HVAC SYSTEMS AND AR DISTRIBUTION DEVICES USED DURING
CONSTRUCTION SHALL BE CLEANED PER CURRENT NATIONAL AR DUCT CLEANING
ASSOCIATION GENERAL SPECIFICATIONS.
27. PROJECT COMPLETION:
C. UPON COMPLETION OF PROJECT THIS CONTRACTOR SHALL PROVIDE NEW FILTERS
WITHIN ALL EXISTING AND FAN POWERED EQUIPMENT.
D. ALL EXISTING AND NEW FAN POWERED EQUIPMENT SHALL HAVE THEIR EXTERIOR
CLEANED WITH A MILD SOAP AND WATER SOLUTION AND THOROUGHLY DRIED.
E. PROVIDE 3 COPIES OF FINAL TEST AND BALANCE REPORT TO OWNER/ARCHITECT.
• Integrated
/'� Engineering
ConsW tants, Inc.
9700 ROCKSIDE RD. SUITE #290
CLEVELAND, OH 44125
(I 216.901.6711
(F): 216.901.6712
www.Teoin0.Q0
PE11800575
0'
q % STATE OF
HELLYER
LEWIS=
ARCHITECTURE
INTERIOR DESIGN
Project:
10
Liberty
Mutual.
INSURANCE
450 East 96th St
3rd Floor
Indianapolis IN 46240
Project No: 047.S6
Drawn by: jH
Checked by: HjHH
Approved by: HjHH
Client Approval: Date:
Issue For Bid: 11 /02/18
Issue For Permit: 11 /05/18
No. Date Revision
Scale:
Drawing:
Mechanical
Specifications
No. M-S.03
DATE: 10/23/19