HomeMy WebLinkAboutHVAC General Notes - M0.1Mechanical Symbols and Abbreviations
Section number
Detail numberDenotes detail
D 1
M1
Denotes section
S 1
M1
General Plan Notes:
General Notes:
1
Note Designation
Plan Notes:
Motorized damper
Drawing Symbols
Temperature Control Symbols
Room thermostat or sensor
Room humidistat or sensor
Exhaust fan
ORH
T
Flexible connection
Exhaust grille
Return air grille
Linear diffuser
Supply register
HS
FD
Supply duct riser
Return duct riser
Volume damper
Supply diffuser
OR
Sheet Metal Symbols
Fire damper
Abbreviations
OR
M
Specific information as indicated on a
drawing
Leader line of plan note referenced
directed to item of plan note
reference
Circle with number indicates a plan
note reference, with the number
indicating the item number of the plan
note referenced
General information as it pertains
only to the drawing it is on
General information pertaining
to all the drawings of the
discipline it is on
Denotes
Construction
Start point
Sheet number
Where detail
Is located
Arrow indicates Direction
in which Section is cut
Sheet number
Where section
Is located
ACC air cooled condenser
ACCU air cooled condensing unit
AFF above finish floor
AHU air handling unit
AS air separator
B boiler (hot water or steam)
BCC branch circuit controller
BDD backdraft damper
BOD bottom of duct
C chiller
CC cabinet convector
CD ceiling diffuser (supply air)
CEF ceiling exhaust fan
CFM cubic feet per minute
CUH cabinet unit heater (electric or hw)
CHWP chilled water pump
CHWR chilled water return
CHWS chilled water supply
CT cooling tower
CP condensate pump (steam)
CW cold water
DB dry bulb
DOAS dedicated outdoor air system
DSAC ductless split air conditioner
Ø diameter
EDB entering air dry bulb
EWB entering air wet bulb
EBR electric baseboard radiation
EC Electrical Contractor
ECH electric cabinet heater
ECR eggcrate grille
EDC electric duct coil
EF exhaust fan
EG exhaust grille
EH exhaust hood
ER exhaust register
ERV energy recovery ventilator
ESP external static pressure
EVC evaporative cooler
EWH electric wall heater
F furnace
FD fire damper
SD fire and smoke damper
FLA full load amps
FPM feet per minute
FPVAV fan powered variable air volume box
FT foot
FTR fin tube radiation
G gas
GC General Contractor
GPM gallons per minute
H humidifier
HDR heavy duty register or grille
HRB heat recovery box
HRU variable refrigerant heat recovery unit
HP heat pump
HWP hot water pump
HWR hot water return
HWS hot water supply
HX heat exchanger
IN inch
KEC kitchen equipment contractor
LAT leaving air temperature
LS linear slot diffuser
MAN manual
MAU make up air unit
MFR Manufacturer
MBH 1000 BTUh
MC Mechanical Contractor
O/A outside air
OAL outside air louver
PD plaque diffuser
PSI pounds per square inch
RA return air
RD round diffuser
RG return air grille
RPM revolutions per minute
RTU roof top unit
SA supply air
SBCC sub branch circuit controller
SDG spiral duct grille
SP static pressure
SR supply register
SVK solenoid valve kit
TCC Temperature Control Contractor
TSP total static pressure
UH unit heater
VAV variable air volume box
VD volume damper
WB wet bulb
WT weight
XT expansion tank
Square Elbow with Turning Vanes
Rectangular to round duct transition
Smoke Detector SD
Design Conditions:
Summer OA DB/ WB 91 F / 75 F
Winter OA DB -3 F
Mechanical General Notes
APPLICABLE CODES AND ORDINANCES:
Provide all materials and equipment and perform all labor required to install complete and operable mechanical systems
as indicated on the drawings, as specified and as required by code.
Entire installation shall be in strict accordance with applicable codes and ordinances.
Secure and pay for all required permits.
Provide a minimum of 10'-0" between exhaust outlets, plumbing vents and all outside air intakes.
Provide a minimum of 3'-0" between exhaust outlets and operable windows or doors.
Contractor shall not locate any duct directly over any electrical panel, switchgear, transformer, etc. Coordinate locations
of ducts with the Electrical Contractor to avoid these conflicts.
AS-BUILT DRAWINGS:
Contractor shall maintain a set of drawings that document field changes to these drawings, and shall submit them to the
Architect/Engineer as part of the project close out.
ARCHITECT:
Contractor shall be guided by the Architect's reflected ceiling plan for exact location of diffusers, registers and grilles
unless otherwise noted.
Coordinate diffuser, register, and grille locations with architectural reflected ceiling plans, lighting, and other ceiling items
and make minor duct modifications to suit.
Exterior louvers are indicated for information only. Detailed descriptions are provided in the architectural specifications.
Furnish all material and equipment as specified, except where specific substitution is proposed, and reviewed by the
Architect/Engineer.
GENERAL:
Do not operate new HVAC systems until drywall sanding is complete and primed, and jobsite dust is no longer
significant. Construction dust is extremely detrimental to the long term operation of the HVAC system. Provide
temporary heating or cooling/dehumidification systems during construction if it is desired or required.
These drawings indicate required sizes. The equipment shown illustrates suggested routing, but all necessary offsets
and fittings may not be shown. Contractor shall install his work in a manner that will conform with the structure.
Contractor shall avoid obstructions, preserve head room and maintain maximum clearance without additional cost to the
Owner.
All dimensions shown on these plans are in feet and/or inches unless otherwise noted.
Mechanical work shall be complete in every detail and all miscellaneous items of material and labor necessary to
complete the work described, shown or reasonably implied on drawings or specifications, shall be included in the
contract.
Proposal shall be based on specified material and equipment. In order to promote competition, however, bidders may
submit alternate proposals on any alternate materials and/or equipment they wish to propose, including any price
changes affected by acceptance of alternatives. These must be provided in addition to the base bid, not in place of the
base bid.
Contract document drawings for mechanical work are diagrammatic and are intended to convey scope and general
arrangement only.
Install all mechanical equipment and appurtenances in accordance with Manufacturers' recommendations, contract
documents, and applicable codes and regulations.
Provide vibration isolation as specified for all mechanical equipment to prevent transmission of vibration to building
structure.
Coordinate construction of all mechanical work with Architectural, Structural, Civil, Electrical work, etc., shown on other
contract document drawings.
Each respective contractor shall be responsible for coordinating the installation of his work with the work of other
contractors and trades prior to the installation.
Maintain a minimum of 6'-8" clearance to underside of ducts, conduits, suspended equipment, etc., throughout access
routes in mechanical rooms.
All tests shall be completed before any mechanical equipment is applied.
Locate all temperature, pressure, and flow measuring devices in accessible locations with straight section of duct up
and downstream as recommended by the Manufacturer for appropriate accuracy.
Work shall include startup of all systems, furnishing of operating and maintenance instructions and one (1) year
guarantee, commencing on date of acceptance by the Owner or as otherwise specified.
Testing, adjusting, and balancing agency shall be by a member of the Associated Air Balance Council (AABC) or the
National Environmental Balancing Bureau (NEBB). Testing, adjusting, and balancing shall be performed in accordance
with the AABC standards.
Where two or more items of the same type of equipment are required, the product of one Manufacturer shall be used
unless otherwise noted.
Coordinate all equipment connections with Manufacturers' certified drawings. Coordinate and provide all duct transitions
required for final equipment connections to furnished equipment. Field verify and coordinate all duct dimensions before
fabrication.
The locations of all items shown on the drawings or called for in the specifications that are not definitely fixed by
dimensions are approximate only.
The exact locations necessary to secure the best conditions and results must be determined by the project site
conditions and shall have the approval of the Engineer before being installed. Do not scale drawings.
All miscellaneous steel required to ensure proper installation and/or as shown in details for ductwork, and equipment
shall be furnished and installed by the Mechanical Contractor.
Provide access panels for installation in walls and ceilings, where required, to service dampers, valves, smoke
detectors, and other concealed mechanical equipment. Access panels shall be turned over to General Contractor for
installation.
All equipment, ductwork, etc., shall be supported as detailed, specified, and/or required to provide a vibration free
installation.
All ductwork and equipment supported from structural steel shall be coordinated with the General Contractor. All
attachments to steel bar joists, trusses, or joist girders shall be at the upper member. Provide beam clamps meeting
MSS standards. Welding to structural members shall not be permitted. The use of c-clamps shall not be permitted.
Mechanical equipment and ductwork shall not be supported from metal deck.
All roof mounted equipment curbs for equipment provided by the Mechanical Contractor shall be furnished by the
Mechanical Contractor and installed by the General Contractor.
Locations and sizes of all floor, wall, and roof openings shall be coordinated with all other trades.
All openings in fire walls due to ductwork, etc., shall be fire stopped with a product similar to 3M or equal. Product shall
be listed by UL or FM and meet the requirements of local and state codes.
All air conditioning condensate drain lines from each air handling unit or rooftop unit shall be piped full size of the unit
drain outlet, with "P" trap, and piped to the nearest drain or roof deck. See details shown on the drawings or the contract
specifications for depth of air conditioning condensate traps.
Refer to typical details for ductwork and equipment installation.
All valves, coils, dampers, etc. Shall be installed allowing easy access to them. Areas adjacent to the access panels
shall be clear of obstruction.
Furnish and install all equipment and material required to complete the installation as shown on the drawings.
Equipment sizes, weights, power, geometry and service space requirements may vary between different Manufacturers.
Consult approved Manufacturer drawings as submitted and coordinate with these drawings. It shall be the Contractor's
responsibility to bear the costs associated with this coordination.
All air handling units shall operate without moisture carryover.
Locate all mechanical equipment for unobstructed access to unit access panels, controls, and valving.
Refer to mechanical details for additional equipment requirements.
HVAC / SHEETMETAL:
All ductwork shall be coordinated with all trades involved. Offsets in ducts, including divided ducts and transitions
around obstructions, shall be provided at no additional cost to the Owner.
Provide access doors in ductwork to provide access for all smoke detectors, fire dampers, smoke dampers, volume
dampers, humidifiers, coils, and other items located in the ductwork which require service and/or inspection.
Smoke detectors shall be furnished by Unit Manufacturer and wired by the Electrical Contractor. The Mechanical
Contractor shall be responsible for mounting the smoke detector in ductwork as shown on the drawings and in
accordance with Manufacturer's printed instructions.
Contractor shall not locate any duct directly over any electrical panels, switchgear, transformer, etc. Coordinate
locations of ducts with the Electrical Contractor to avoid these conflicts.
All ducts penetrating shaft walls shall be sealed airtight with firestop.
Provide volume dampers upstream of all air inlets/outlets unless otherwise noted.
All rooftop units shall be accessed from the roof.
Power for all rooftop units shall be wired by the Electrical Contractor and shall be placed on a dedicated circuit.
All ductwork shall be sealed per the specifications and shall not be accepted with total duct leakage rates in excess of
10%.
Locate rooftop units on roof. Coordinate with structural plans. Set units as required to allow supply and return openings
to clear roof structure.
Furnish and install rain hoods on intake ducts above roof.
Provide companion opposed blade volume dampers with all diffusers mounted in drywall ceilings. Do not provide
companion volume dampers with diffusers mounted in lay-in tile ceilings. Provide manual volume dampers in the branch
ducts serving diffusers located above lay-in tile ceilings.
Diffusers, registers, and grilles mounted in drywall ceilings shall have plaster frames.
Unless otherwise noted all ductwork above ceilings shall be insulated with 112" ductwrap. Ductwrap shall be .75 lb / cu ft.
density.
Unless otherwise noted all ductwork in unconditioned spaces shall be insulated with 2" ductwrap (Min R6). Ductwrap
shall be .75 lb / cu ft. density.
Install volume damper at each branch takeoff from main supply ducts.
Mechanical Contractor shall furnish and install a 3"x3"x3 8" steel angle frame around each rooftop unit roof opening.
Field weld frames to top of joists.
Locate rooftop units on roof so that the duct drops will clear the roof structure.
Refer to Mechanical Detail Sheets for additional equipment requirements.
Phenolic duct by Pal-Duct or Kool-Duct is an acceptable alternative to sheetmetal duct and insulation in concealed
spaces. Use flanged joints. Submit detailed duct drawings for engineer review.
RELATED ELECTRICAL AND PLUMBING:
Unless otherwise noted all low voltage wiring (24 volts) shall be provided and installed by the Mechanical Contractor.
This includes fans, radiant heaters, rooftop units, etc.
Unless otherwise noted line voltage wiring (120 volts or greater) shall be provided and installed by the Electrical
Contractor. Wiring should be concealed at all times unless otherwise noted on the plans. Contact the Engineer if
concealment is not possible.
All control wire and conduit shall comply with the National Electric Code (NEC) and Division 16/26 of the specifications.
Condensate drain pipe run out shall be full size to the nearest drain. Refer to "P" sheets for routing.
Coordinate installation of gas piping for HVAC units with Plumbing Contractor.
Furnish and install a gas cock at each unit connection.
Refer to electrical and plumbing drawings for additional coordination with these drawings.
Any unit supplied with natural or LP gas shall be furnished with pressure regulators by Unit Manufacturer.
APPEARANCE:
All equipment should be installed with great regard to a neat finished product.
Whenever possible, wiring should be routed in such a way as to minimize visibility.
Eliminate the need for condensate pumps if possible.
Contact the Engineer prior to installing any equipment that will not be able to be installed in a neat, first class manner,
consistent with the Manufacturer's installation instructions.
RELATED GENERAL CONSTRUCTION:
Unless otherwise noted flashing of roof openings will be done by the General Contractor. Deliver rooftop unit and
exhaust fan curbs to General Contractor for installation. Contact General Contractor to coordinate this portion of the
work.
SUBSTITUTIONS:
Cost of any changes required by this, or other trades, due to substitution of equipment other than the basis of design,
shall be included in the Mechanical Contractor's proposal.
UTILITIES:
Unless otherwise noted the local gas company shall provide gas to the building and furnish and install the meter.
Connection to the meter and extension of the piping shall be made in accordance with the utility company requirements.
Contact local utility company to arrange for gas meter installation. Furnish and install piping and specialties as required
to receive meter.
Verify local conditions at the site.
RELATED CONTROLS:
Unless otherwise noted, locate all room thermostats and humidistats 4'-0" (centerline) above finish floor. Notify the
Engineer prior to installation of any rooms where the above location cannot be maintained or where there is a question
on location.
All control wiring and related control components should be concealed unless otherwise noted on the plans. Contact
the Engineer if concealment is not possible.
TEMPORARY SERVICE:
Equipment provided as part of this contract should not be used for heating/cooling/ventilation of the project prior to all
sanding being complete, and at least 1 coat of paint on all surfaces. The intent of this is to prevent the infiltration of
construction dust into the heating / cooling coils and causing long term performance or reliability issues.
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1100 Sycamore Street, Suite 200
Cincinnati, Ohio 45202 - Ph: 513.984.1070
702 N. Capitol Avenue
Indianapolis, Indiana 46204
Ph: 317.636.3980
www.luminaut.com
As NotedPROF
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01087
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Clay Terrace
Building "D" Demise
14390 Clay Terrace Blvd., Ste 165,
Carmel, IN 46032
IN23057
01/10/24
CONSTRUCTION DOCUMENTSGNIBMULP·LACITCELE·LACINAHCEM R2410 Executive Drive - Suite 100
Indianapolis, Indiana 46241
317.636.3941
www.TEC-MEP.com
THEENGINEERING
C O L L A B ORA
T
I
VEMEP CLARIFICATION 01/18/2024
M0.1
EZY
SLH
HVAC GENERAL NOTES