154-B5154-004_DMV Alexandria CSC-Drawings_Bid Set Final.pdf
PDF 5 MB Posted
- Attached to
- DMV Alexandria CSC HVAC Replacement
- Solicitation number
- IFB-126089
- Issued by
- Alexandria City, Virginia
About this file
Summary: DMV Alexandria CSC HVAC Replacement - Bid Set Drawings
This document comprises the final bid set drawings and technical specifications for the HVAC replacement project at the Virginia Department of Motor Vehicles (DMV) Alexandria Customer Service Center located at 2681 Mill Road, Alexandria, VA 22314. The project involves comprehensive removal and replacement of existing HVAC systems, including air handling units (AHU-1, AHU-2, AHU-3), air-cooled condensing units (CU-1, CU-2, CU-3), a gas-fired boiler (B-1), hot water pumps (P-1, P-2), and associated piping, ductwork, and controls. The scope encompasses demolition of existing equipment, installation of new equipment with specifications detailed in multiple schedules, and integration into a direct digital control (DDC) system utilizing BACnet architecture. A mandatory pre-bid meeting is scheduled for 11:00 a.m. on October 1, 2026, at the project site. Questions regarding specifications must be submitted in writing to Procurement Officer II Brenda L. Williams at brenda.williams@dmv.virginia.gov no later than 4:00 p.m. on October 10, 2026. Electronic bids are submitted through eVA, and prospective bidders must contact eVA Customer Care at 866-289-7367 or eVACustomerCare@dgs.virginia.gov for submission inquiries.
The project drawings include detailed mechanical and electrical plans with demolition and new work phases clearly delineated. Equipment schedules specify capacities, electrical requirements, and refrigerant types (including A2L flammable refrigerants with required safety controls and mitigation measures per ASHRAE standards). The building will remain occupied during construction, requiring contractor coordination for temporary heating/cooling systems during equipment shutdown. All work must comply with Virginia's 2021 Uniform Statewide Building Code, the 2020 National Electrical Code, and the Virginia Energy Conservation Code Chapter 4. The contractor is responsible for refrigerant recovery and reclamation, through-penetration firestop assemblies at fire-rated construction, testing and balancing of all HVAC systems, and comprehensive as-built documentation. Specific notes address maintenance access requirements, equipment installation in existing attic space with disassembly/reassembly capabilities, fire alarm system coordination, and duct smoke detector reinstallation during the new work phase.
View the file
Other files
| File | Type | Posted |
|---|---|---|
| 154-B5154-004_DMV Alexandria CSC-Specifications_Bid Set Final .pdf | ||
| Addendum 1.pdf | ||
| Small_Business_Reporting_Form.xls | XLS spreadsheet | |
| dgs-30-090_07-21_co-10_2 bid bond.pdf | ||
| dgs-30-384_01-21_eva-registration.pdf |
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Text version
PROJECT CODE
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GENERAL NOTES
DEMOLITION
EXISTING HVAC PIPING, DUCTWORK, AND EQUIPMENT SHOWN IS BASED ON EXISTING
PLANS AND FIELD OBSERVATION WITHOUT DEMOLITION. AFTER DEMOLITION, ANY
CLARIFICATION REQUIRED TO DETERMINE SCOPE OF WORK SHALL BE BROUGHT TO THE
ATTENTION OF THE ARCHITECT.
THE CONTRACTOR SHALL VISIT THE JOB SITE AND THOROUGHLY FAMILIARIZE HIMSELF
WITH THE EXISTING CONDITIONS.
DRAWINGS DO NOT SHOW EVERY EXISTING PIPE, CONDUIT, DUCT, ETC. CONTRACTOR
SHALL TAKE CARE TO REMOVE ONLY ITEMS REQUIRED TO BE REMOVED AND VERIFY
PIPES, DUCTS, ETC. BEFORE REMOVAL.
REMOVAL OF ITEMS SHALL INCLUDE ASSOCIATED HANGERS, ANCHOR BOLTS AND OTHER
APPURTENANCES. WHERE SUCH REMOVAL RESULTS IN OPEN HOLES, VOIDS OR
EXPOSURE OF DAMAGED SURFACES, THE CONTRACTOR SHALL BE RESPONSIBLE FOR
REPAIRING AND FINISHING THE SURFACE TO MATCH ADJACENT CONDITIONS. THIS WORK
SHALL BE COORDINATED WITH ARCHITECTURAL FINISH SCHEDULES WHERE APPLICABLE.
BUILDING IS TO REMAIN OCCUPIED DURING CONSTRUCTION. REMOVAL OR SHUT-DOWN
OF EQUIPMENT THAT AFFECTS ANY OCCUPIED AREA'S AIR CONDITIONING OR HEATING
SHALL ONLY BE DONE AS APPROVED OR TEMPORARY AIR CONDITIONING OR HEATING
SHALL BE PROVIDED AT CONTRACTOR'S EXPENSE. THIS MAY REQUIRE NIGHT AND
WEEKEND WORK TO KEEP BUILDING IN OPERATION.
REMOVE EXISTING DUCTWORK AND PIPING NOT TO BE REUSED.
ALL MATERIALS REMOVED UNDER DEMOLITION, NOT TO BE RELOCATED OR DESIGNATED
TO BE TURNED OVER TO THE OWNER, SHALL BECOME THE PROPERTY OF THE
CONTRACTOR, UNLESS OTHERWISE NOTED, AND SHALL BE REMOVED COMPLETELY FROM
THE SITE.
WHERE CEILINGS ARE REMOVED TO SUPPORT THE MECHANICAL WORK OUTLINED IN
THESE CONTRACT DOCUMENTS, CONTRACTOR SHALL INCLUDE THE COST TO
TEMPORARILY SUPPORT AND REINSTALL ALL CEILING MOUNTED DEVICES IN THE NEW OR
REINSTALLED CEILINGS, INCLUDING BUT NOT LIMITED TO, GRILLES, REGISTERS AND
DIFFUSERS, LIGHTS, FIRE ALARM DEVICES, CAMERAS, EXIT SIGNS, WIRELESS ACCESS
POINTS, ETC.
GENERAL ITEMS
GENERAL NOTES ON THIS DRAWING ARE APPLICABLE TO EACH HVAC DRAWING OF THIS
SET. SEE EACH DRAWING FOR SPECIFIC NOTES APPLICABLE TO THAT DRAWING.
OVERHEAD PIPING IN SPACES WITHOUT HUNG CEILINGS SHALL BE RUN AS CLOSE TO
ROOF DECK OR STRUCTURE ABOVE, AS PRACTICAL, AS CLOSE TO PARALLEL JOISTS AS
POSSIBLE AND ABOVE LIGHTING FIXTURES TO CONCEAL PIPING.
OVERHEAD PIPING IN SPACES WITH CEILINGS SHALL BE CONCEALED UNLESS OTHERWISE
NOTED.
CONTRACTOR SHALL VERIFY REQUIRED REFRIGERANT PIPE SIZES AND QUANTITIES WITH
EQUIPMENT MANUFACTURER FOR THE INDICATED INSTALLATION.
COORDINATE LOCATION AND INSTALLATION OF EQUIPMENT WITH OTHER TRADES.
DO NOT SCALE DRAWINGS. SEE ARCHITECTURAL DRAWINGS FOR EXACT LOCATIONS OF
DOORS, WINDOWS, ETC.
THERMOSTATS AND SENSORS SHALL BE LOCATED IN THE ROOMS INDICATED. INSTALL AT
APPROX. 46" ABOVE FINISH FLOOR TO MATCH THE HEIGHT OF WALL SWITCHES OR OTHER
WALL MOUNTED DEVICES.
PIPING INSULATION SHALL BE RUN CONTINUOUSLY THROUGH NON-RATED FLOORS,
WALLS, ROOF AND PARTITIONS, UNLESS OTHERWISE INDICATED.
NO PIPING SHALL BE SMALLER THAN 3/4" UNLESS OTHERWISE NOTED.
FOR PIPE SIZES NOT INDICATED ON PLANS, SEE FLOW DIAGRAMS.
PROVIDE UNION OR FLANGED CONNECTIONS AT EACH PIECE OF EQUIPMENT AND ON BOTH
SIDES OF CONTROL VALVES AND PRESSURE REGULATING VALVES. PROVIDE SHUT-OFF
VALVES ON BOTH SIDES OF AUTOMATIC VALVES.
RELIEF VALVE PIPING SHALL BE EXTENDED TO THE NEAREST FLOOR DRAIN.
CORRECT SETTING ON BALANCING FITTINGS SHALL BE PERMANENTLY MARKED.
LOCATE AND SIZE CONCRETE PADS AND CURBS FOR MECHANICAL EQUIPMENT IN
ACCORDANCE WITH ACTUAL EQUIPMENT PURCHASED.
THROUGH-PENETRATION FIRESTOP ASSEMBLIES
PROVIDE UL LISTED THROUGH-PENETRATION ASSEMBLIES FOR FIRE RATED PARTITIONS,
WALLS, AND FLOORS. REVIEW ARCHITECTURAL DRAWINGS FOR FIRE PARTITION
LOCATIONS AND UL LISTINGS.
HOT WATER PIPING
PROVIDE MINIMUM PITCH SUFFICIENT TO INSURE ADEQUATE VENTING AND DRAINAGE.
PROVIDE MANUAL AIR VENTS AT HIGH POINTS OF SYSTEM.
PROVIDE 1/2" DRAIN VALVES AND CAPPED CONNECTIONS AT LOW POINTS IN PIPING
SYSTEMS FOR DRAINING.
SHEET METAL
PROVIDE ACCESS DOORS IN DUCTWORK WHERE INDICATED OR REQUIRED FOR ACCESS
TO SYSTEM COMPONENTS INCLUDING THE FOLLOWING:
DAMPER MOTORS AND/OR MOTOR OPERATED DAMPERS
HUMIDIFIERS
FILTERS
BOTH SIDES OF HEATING AND COOLING COILS
FAN BEARINGS ENCLOSED IN DUCTS OR PLENUMS
FIRE DAMPERS AND SMOKE DAMPERS
SMOKE DETECTORs
A2L PIPING REQUIREMENTS
REFRIGERANT PIPING LOCATED IN AREAS OTHER THAN THE ROOM OR SPACE WHERE THE
REFRIGERATING EQUIPMENT IS LOCATED SHALL BE LABELED. THE PERMANENT PIPE
LABELS SHALL BE LOCATED AT INTERVALS NOT EXCEEDING 20 FEET. MINIMUM TEXT
SHALL BE 1/2 INCH AND SHALL INDICATE THE REFRIGERANT DESIGNATION AND SAFETY
GROUP CLASSIFICATION OF REFRIGERANT USED IN THE PIPING SYSTEM AND INCLUDE
"DANGER-- RISK OF FIRE OR EXPLOSION. FLAMMABLE REFRIGERANT."
REFRIGERANT PIPING USED WITH GROUP A2L REFRIGERANTS AND LOCATED IN
CONCEALED LOCATIONS WHERE TUBING IS INSTALLED IN STUDS, JOISTS, RAFTERS OR
SIMILAR MEMBER SPACES, AND LOCATED LESS THAN 1-1/2 INCHES FROM THE NEAREST
EDGE OF THE STRUCTURAL MEMBER, SHALL BE CONTINUOUSLY PROTECTED BY SHIELD
PLATES. PROTECTIVE STEEL SHIELD PLATES SHALL HAVE A MINIMUM THICKNESS OF 0.0575
INCH ((NO. 16 GAGE) AND SHALL COVER THE AREA OF THE TUBE PLUS THE AREA
EXTENDING NOT LESS THAN 2 INCHES BEYOND BOTH SIDES OF THE TUBE.
MAINTENANCE
EQUIPMENT WITH FILTERS SHALL BE INSTALLED SO THAT FILTERS CAN BE EASILY
REMOVED AND REPLACED.
EQUIPMENT INSTALLED ABOVE CEILINGS SHALL BE MOUNTED APPROX. 12" ABOVE CEILING
(UON) FOR MAINTENANCE ACCESS.
INSTALL PIPE RUNS AT LEAST 6" ABOVE CEILING TILES. WHERE PRACTICAL INSTALL
VALVES, AND OTHER MAINTAINABLE DEVICES LOW ENOUGH TO REACH WITH A 6' LADDER.
PROVIDE ACCESS TO ANY INSPECTION OR MAINTAINABLE DEVICE, EQUIPMENT, ETC. -
ACCESS OR ACCESS DOOR SHALL BE OF ADEQUATE SIZE TO WORK ON DEVICE.
EXAMINE MANUFACTURER'S LITERATURE TO DETERMINE RECOMMENDED CLEARANCES.
THESE CLEARANCES, IN ADDITION TO MINIMUM CLEARANCES REQUIRED BY THE NATIONAL
ELECTRICAL CODE, SHALL BE ESTABLISHED AND MAINTAINED. THIS APPLIES TO NEW AND
EXISTING EQUIPMENT IMPACTED BY THIS PROJECT AS WELL. THE CONTRACTOR SHALL BE
RESPONSIBLE FOR COORDINATING THESE REQUIREMENTS WITH ALL OTHER TRADES.
IF THIS CONTRACTOR SHOULD ELECT TO PROPOSE ANY EQUIPMENT THAT HAS DIFFERENT
TESTING, ADJUSTING, AND BALANCING (TAB)
AIRSIDE AND WATERSIDE TAB SHALL BE PERFORMED ON ALL DUCTED AND NON-DUCTED
HVAC SYSTEMS. NON-DUCT HVAC SYSTEMS, INCLUDE, BUT ARE NOT LIMITED TO, UNIT
HEATERS, CABINET UNIT HEATERS, BASEBOARD HEATERS, DUCTLESS MINI-SPLITS,
DESTRATIFICATION FANS, LARGE CEILING FANS, INFRARED SPACE HEATERS, AIR
CURTAINS, ETC. IT SHALL BE THE RESPONSIBILITY OF THE TAB CONTRACTOR TO
DETERMINE APPROPRIATE TESTING, ADJUSTING AND BALANCING PROCEDURES FOR
SYSTEMS NOT LISTED BY THE PROCEDURAL STANDARDS CERTIFYING BODY (NEBB, AABC,
ETC.).
T
UON UNLESS OTHERWISE NOTED
WALL THERMOSTAT/TEMPERATURE SENSOR
BACKDRAFT DAMPER
VOLUME DAMPER
FIRE / SMOKE DAMPER [120 VOLT]
SMOKE DETECTOR
FIRE DAMPER (VERTICAL)
FIRE DAMPER (HORIZONTAL)
MOTORIZED DAMPER
S F/S
M
BDD
REFRIGERANT LIQUID PIPING
REFRIGERANT SUCTION PIPINGRS
RL
HOT WATER SUPPLY PIPING
HOT WATER RETURN PIPINGHWR
HWS
°F
Ø PHASE/DIAMETER
DEGREE FAHRENHEIT
L-1 LOUVER DESIGNATION
PUMP DESIGNATION
RETURN AIR FAN DESIGNATION
REHEAT COIL DESIGNATION
UNIT HEATER DESIGNATION
SUPPLY FAN DESIGNATION
UH-1
SF-1
P-1
RHC-1
RAF-1
BOILER DESIGNATION
AIR HANDLING UNIT DESIGNATION
EXHAUST FAN DESIGNATIONEF-1
B-1
AHU-1
POINT OF DEMOLITION LIMIT
POINT OF CONNECTION NEW TO EXISTING
NEW WORK NOTE DESIGNATION
DEMOLITION NOTE DESIGNATION
LEGEND AND ABBREVIATIONS
AIR COOLED CONDENSER DESIGNATION
SHEET WHERE SHOWN/CUT
ACC-1
DETAIL/RISER/ENLARGED PLAN
EXTERNAL STATIC PRESSURE
ENTERING WATER TEMPERATURE
LEAVING WATER TEMPERATURE
LEAVING AIR TEMPERATURE
MAX OVERCURRENT PROTECTION
1000 BRITISH THERMAL UNITS PER HOUR
WET BULB TEMPERATURE
MAXIMUMMAX
PIPE TURNING DOWN
D CONDENSATE DRAIN
DIRECTION OF FLOW
WG
WB
SA
WATER GAUGE
SUPPLY AIR
OA
MOCP
MCA
MIN
MBH
OUTSIDE AIR
MIN CIRCUIT AMPACITY
MINIMUM
PRESSURE GAUGE W/ GAUGE COCK
UNION
FLEXIBLE PIPE CONNECTOR
THERMOMETER
PIPE TURNING UP
STRAINER
GAS REGULATOR/STEAM TRAP
LWT
HP
LAT
GPM
HORSEPOWER
GALLONS PER MINUTE
FLA
ESP
EWT
ETR
FULL LOAD AMPS
EXISTING TO REMAIN
ABOVE FINISHED FLOOR
CUBIC FEET PER MINUTE
ENTERING AIR TEMPERATURE
DECIBELS
BALANCING VALVE
CHECK VALVE
db
EAT
EL
EA
CFM
APPROX
EXHAUST AIR
ELEVATION
APPROXIMATELY
AFF
APD AIR PRESSURE DROP
(TYP) TYPICAL
DRY BULB TEMPERATUREDB
HD HEAD
IN INCH
NOISE CRITERIANC
OBD OPPOSED BLADE DAMPER
SEER SEASONAL ENERGY EFFICIENCY RATING
TSP TOTAL STATIC PRESSURE
VOLTV
SENS SENSIBLE
CALC CALCULATED
WATTW
CURRENT SENSING RELAYCSR
LEAVING DRY BULB TEMPERATURELDB
LEAVING WET BULB TEMPERATURELWB
ENTERING DRY BULB TEMPERATUREEDB
EWB ENTERING WET BULB TEMPERATURE
ENERGY CODE COMPLIANCE PATH
ASHRAE 90.1
VECC CHAPTER 4 - PRESCRIPTIVE
VECC CHAPTER 4 - PERFORMANCE
CONTRACTOR SHALL PROVIDE AN APPROPRIATE LISTED THROUGH-PENETRATION FIRE STOPPING
ASSEMBLY AT EACH PENETRATION OF FIRE RATED CONSTRUCTION (I.E. WALLS AND SLABS, ETC.).
FIRE STOPPING OF DUCT PENETRATIONS THROUGH RATED ASSEMBLIES ARE ONLY PERMITTED
WHEN FIRE AND/ OR SMOKE DAMPERS ARE NOT REQUIRED. SLEEVES SHALL ONLY BE PERMITTED
WHERE INDICATED IN THE CONTRACTOR SELECTED THROUGH-PENETRATION FIRE STOPPING
ASSEMBLY. REFER TO ARCHITECTURAL DRAWINGS FOR LOCATION OF ALL RATED ASSEMBLIES
AND ASSOCIATED UL DESIGNATIONS. DEVICES INSTALLED RECESSED WITHIN FIRE RATED
CONSTRUCTION (I.E. LIGHT SWITCHES, RECEPTACLES, ICE MAKER BOXES, ETC.) ARE ONLY
PERMITTED WHEN AN APPROVED LISTED FIRE STOPPING SYSTEM EXISTS FOR THE APPLICATION.
IF AN APPROVED LISTED FIRE STOPPING SYSTEM IS NOT AVAILABLE, THE CONTRACTOR SHALL BRING THE CONDITION TO THE ATTENTION OF THE A/E FOR RESOLUTION PRIOR TO PROCEEDING
WITH WORK.
FIRE STOPPING NOTE:
PIPE CAPPED
ELECTRIC UNIT HEATER DESIGNATIONEUH-1
DUCTLESS SPLIT SYSTEM DESIGNATIONDSS-1
RELIEF HOOD DESIGNATIONRH-1
INTAKE HOOD DESIGNATIONIH-1
CLEANOUTCO
BALL VALVE
PROJECT CODE
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G E N
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A L N
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E S , L
E G
E N
D S
S C
H E D
U L E
CU-4 CU-2CU-3
DSS, ETR
FTR, ETR
FTR, ETR
CUH, ETR
CU
H, E
TR
UH, ETR
26x16 RA
24x16, ETR
24x16, ETR20x16, ETR16x14, ETR
10x10, ETR
10"Ø, ETR
10"Ø, ETR
12x10, ETR12x10, ETR x1
2, ET
R
10x10, ETR
12"Ø, ETR
12"Ø, ETR
10"Ø, ETR10"Ø, ETR
10x12, ETR 10x12, ETR 10x12, ETR
12"Ø, ETR 12"Ø, ETR 12"Ø, ETR
12x14, ETR 12x14, ETR12x14, ETR 18x16, ETR
10"Ø, ETR 10"Ø, ETR
12x12, ETR
24x14, ETR
16x14, ETR16x16, ETR
20x14, ETR
12x10, ETR
6x8, ETR
24x14 RA
10x6, ETR
20x22 RA
12"Ø, ETR
x1
8, ET
R x1 2, ET
R
8"Ø, ETR
6x 6, ET
R
8x8, ETR 8x6, ETR
8x
, E
TR
10x6, ETR
8" Ø
10"Ø, ETR 10"Ø, ETR 10"Ø, ETR
8"Ø, ETR6"Ø, ETR
6x10, ETR
8"Ø, ETR
8"Ø, ETR
x1
4, ET
R
8x10, ETR
10x10, ETR
10x14, ETR
12x10, ETR12x10, ETR
6x6, ETR
HWS/HWR, ETR
EXISTING
MECHANICAL
EXISTING
ELECTRICAL
6x10, ETR
(TYP 2)
EXISTING
STORAGE
EXISTING
SECURITY
TELLERS
INFORMATION
EXIST.
VESTIBULE
EXIST.
VESTIBULE
EXISTING
MEN'S ROOM
TESTING
ASSIST.
MGR.
EXISTING
LOUNGE
8"Ø
8"Ø
EXISTING
COMPUTER
ROOM
LOBBY / WAITING
AREA
DSS, ETR
FTR, ETR
FTR, ETR
CUH, ETR
CU
H, E
TR
UH, ETR
x1
4, ET
R
24x16, ETR
24x16, ETR20x16, ETR16x14, ETR
10x10, ETR
10"Ø, ETR
10"Ø, ETR
12x10, ETR12x10, ETR x1
2, ET
R 8x
, E
TR 8"Ø, ETR
8"Ø, ETR
10x10, ETR 10x10, ETR 10x10, ETR 10x10, ETR
12"Ø, ETR
12"Ø, ETR
10"Ø, ETR10"Ø, ETR
10x12, ETR 10x12, ETR 10x12, ETR
12"Ø, ETR 12"Ø, ETR 12"Ø, ETR
12x14, ETR 12x14, ETR12x14, ETR 18x16, ETR 26x16, ETR
10"Ø, ETR 10"Ø, ETR
12x12, ETR
24x14, ETR
16x14, ETR16x16, ETR
20x14, ETR
12x10, ETR
8x10, ETR
6x8, ETR
6Ø, ETR
24x14 RA
(TYP 2)
8"Ø
CU-1
26x18, ETR
20x22 RA
UP TO
x1
8, ET
R x1 2, ET
R
8x10, ETR
8"Ø, ETR
10x10, ETR
26x18 SA
8"Ø, ETR
6x 6, ET
R
6x6, ETR
8x6, ETR
6x8, ETR
8x
, E
TR
10x6, ETR
8x10, ETR
8"Ø, ETR
8x6, 10"Ø, ETR 10"Ø, ETR 10"Ø, ETR
6"Ø, ETR
6x10, ETR8"Ø, ETR
8"Ø, ETR
8x10, ETR
10x6, ETR
12"Ø, ETR
8x8, ETR
10x10, ETR
10x14, ETR
12x10, ETR12x10, ETR
8x6, ETR
6x6, ETR
14x12, ETR
8"Ø
HWS/HWR, ETR
LOBBY / WAITING
AREA
EXISTING
WOMEN'S ROOM
TESTING
EXIST. LE OFFICE
EXISTING
CORRIDOR
EXISTING
MEN'S ROOM
EXISTING
WOMEN'S ROOM
EXIST. JANITOR
ASST.
MANAGER
MANAGER
OPEN
OFFICEEXISTING
CLOSET
ASST.
MANAGER
EXISTING
MECHANICAL
EXISTING
ELECTRICAL
TELLERS
12x10
12x12
(TYP 2)
8x6
ETR
6x6
8x6
8x6
FTR, ETR
FTR, ETR
6x6
8"Ø
UP TO AHU-3
106 106
106A
109 111
115 120
123 124
RS/RL
RS
/R
L
RS
/R L
RS
/R
L
ABANDON
BELOW GRADE
ABANDON
BELOW GRADE
AHU-3, ETR
UP TO
AHU-3, ETR
UP TO
AHU-3, ETR
UP TO AHU-1 , ETR
UP TO
AHU-2, ETR
RS/RL
RS/RL
(TYP.)
(TYP.)
(TYP.)
(TYP.)
PROJECT CODE
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GRAPHIC SCALE(S):
DEMOLITION PLAN - FIRST FLOOR
SCALE: 3/16" = 1'-0"
D E M
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IR
S T
F L O
O R
REMOVE OUTDOOR CONDENSING UNIT, REFRIGERANT PIPING TO GRADE
AND CAP, AND ALL ASSOCIATED APPURTENANCES COMPLETE.
REMOVE OUTDOOR CONDENSING UNIT AND STORE FOR RELOCATION.
REMOVE REFRIGERANT PIPING TO GRADE AND CAP. REMOVE ALL
ASSOCIATED APPURTENANCES COMPLETE.
REMOVE GAS-FIRED BOILER. DISCONNECT HWS/HWR PIPING, GAS PIPING,
AND VENT AND REMOVE ONLY AS REQUIRED TO REPLACE BOILER.
REFER TO BOILER DEMOLITION AND NEW WORK DIAGRAMS.
REMOVE INLINE HW PUMP. DISCONNECT HWS/HWR PIPING AND REMOVE
ONLY AS REQUIRED TO REPLACE PUMP. REFER TO BOILER DEMOLITION
AND NEW WORK DIAGRAMS.
REMOVE ZONE MOTORIZED DAMPER, SUPPORTS, CONTROL WIRING, AND
ASSOCIATED APPURTENANCES COMPLETE. PREP DUCTWORK FOR NEW
CONNECTION IN THE NEW WORK PHASE.
REMOVE ZONE THERMOSTAT AND CONTROL WIRING COMPLETE.
REMOVE EXISTING TRANE CONTROL PANEL AND CONTROL WIRING
COMPLETE.
NOTES THIS SHEET
3/16" = 1'-0" 0' 5' 10' 20'
REFRIGERANT RECLAIM NOTE:
REFRIGERANT RECOVERY NOTE:
REFRIGERANT FROM EXISTING MECHANICAL SYSTEMS SHALL BE RECOVERED
AND RECYCLED FOR RECLAIM. EQUIPMENT CAPABLE OF PULLING A VACUUM OF
LESS THAN 1000 MICRONS OF MERCURY SHALL BE USED TO RECOVER
REFRIGERANT. MECHANICAL SYSTEMS SHALL NOT BE OPENED TO ATMOSPHERE
UNTIL ALL REFRIGERANT IS FULLY RECOVERED. THE CONTRACTOR SHALL
PROVIDE CONTAINERS FOR THE STORAGE OF THE REFRIGERANT. REFRIGERANT
SHALL BECOME THE PROPERTY OF THE CONTRACTOR.
REFRIGERANT FROM EXISTING MECHANICAL SYSTEM (CU-4) SHALL BE
RECOVERED AND RECYCLED FOR RECLAIM. EQUIPMENT CAPABLE OF PULLING A
VACUUM OF LESS THAN 1000 MICRONS OF MERCURY SHALL BE USED TO
RECOVER REFRIGERANT. MECHANICAL SYSTEMS SHALL NOT BE OPENED TO
ATMOSPHERE FOR DEMOLITION UNTIL ALL REFRIGERANT IS FULLY RECOVERED.
THE CONTRACTOR SHALL PROVIDE CONTAINERS FOR THE STORAGE OF THE
REFRIGERANT. REUSE REFRIGERANT AFTER OUTDOOR UNIT IS RELOCATED.
CU-4 NOTE:
PRIOR TO REMOVAL, VERIFY CU-4 IS OPERATIONAL AND PROVIDE WRITTEN
CONFIRMATION INCLUDING AN DEFICIENCIES.
MD102 MD401
MD102 MD401
PROJECT CODE
RFS JOB #
OF
DATE
D E S C
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2025-090
#25264
GRAPHIC SCALE(S):
DEMOLITION PLAN - ATTIC
SCALE: 3/16" = 1'-0"
D E M
O L
IT
IO
N
P L A
N A
T T
IC
1 NO WORK ON THIS SHEET. SHEET IS FOR REFERENCE ONLY.
NOTES THIS SHEET
3/16" = 1'-0" 0' 5' 10' 20'
KEYPLAN - ATTIC
NO SCALE
AREA OF WORK
DSS, ETR
FTR, ETR
FTR, ETR
CUH, ETR
CU
H, E
TR
UH, ETR
24x16, ETR
24x16, ETR20x16, ETR16x14, ETR
10x10, ETR
10"Ø, ETR
10"Ø, ETR
12x10, ETR12x10, ETR x1
2, ET
R
10x10, ETR
12"Ø, ETR
12"Ø, ETR
10"Ø, ETR10"Ø, ETR
10x12, ETR 10x12, ETR 10x12, ETR
12"Ø, ETR 12"Ø, ETR 12"Ø, ETR
12x14, ETR 12x14, ETR12x14, ETR 18x16, ETR
10"Ø, ETR 10"Ø, ETR
12x12, ETR
24x14, ETR
16x14, ETR16x16, ETR
20x14, ETR
12x10, ETR
6x8, ETR
10x6, ETR
12"Ø, ETR
x1
8, ET
R x1 2, ET
R
8"Ø, ETR
6x 6, ET
R
8x8, ETR 8x6, ETR
8x
, E
TR
10x6, ETR
8" Ø
10"Ø, ETR 10"Ø, ETR 10"Ø, ETR 10"Ø, ETR
8"Ø, ETR6"Ø, ETR
6x10, ETR
8"Ø, ETR
x1
4, ET
R
8x10, ETR
10x10, ETR
10x14, ETR
12x10, ETR12x10, ETR
6x6, ETR
HWS/HWR, ETR
EXISTING
MECHANICAL
EXISTING
ELECTRICAL
6x10, ETR
(TYP 2)
EXISTING
STORAGE
EXISTING
SECURITY
TELLERS
INFORMATION
EXIST.
VESTIBULE
EXIST.
VESTIBULE
EXISTING
MEN'S ROOM
TESTING
ASSIST.
MGR.
EXISTING
LOUNGE
8"Ø
8"Ø
EXISTING
COMPUTER
ROOM
LOBBY / WAITING
AREA
DSS, ETR
FTR, ETR
FTR, ETR
CUH, ETR
CU
H, E
TR
UH, ETR
x1
4, ET
R
24x16, ETR
24x16, ETR20x16, ETR16x14, ETR
10x10, ETR
10"Ø, ETR
10"Ø, ETR
12x10, ETR12x10, ETR x1
2, ET
R 8x
, E
TR 8"Ø, ETR
8"Ø, ETR
10x10, ETR 10x10, ETR 10x10, ETR 10x10, ETR
12"Ø, ETR
12"Ø, ETR
10"Ø, ETR10"Ø, ETR
10x12, ETR 10x12, ETR 10x12, ETR
12"Ø, ETR 12"Ø, ETR 12"Ø, ETR
12x14, ETR 12x14, ETR12x14, ETR 18x16, ETR 26x16, ETR
10"Ø, ETR 10"Ø, ETR
12x12, ETR
24x14, ETR
16x14, ETR16x16, ETR
20x14, ETR
12x10, ETR
6x8, ETR
6Ø, ETR
(TYP 2)
8"Ø
8"Ø
26x18, ETR x1
8, ET
R x1 2, ET
R
8x10, ETR
8"Ø, ETR
10x10, ETR
26x18 SA
UP TO AHU-3
8"Ø, ETR
6x 6, ET
R
6x6, ETR
8x6, ETR
6x8, ETR
8x
, E
TR
10x6, ETR
8x10, ETR
8"Ø, ETR
8x6, 10"Ø, ETR 10"Ø, ETR 10"Ø, ETR 10"Ø, ETR
6"Ø, ETR
6x10, ETR8"Ø, ETR
8"Ø, ETR
8x10, ETR
10x6, ETR
12"Ø, ETR
8x8, ETR
10x10, ETR
10x14, ETR
12x10, ETR12x10, ETR
8x6, ETR
6x6, ETR
14x12, ETR
8"Ø
HWS/HWR, ETR
LOBBY / WAITING
AREA
EXISTING
WOMEN'S ROOM
TESTING
EXIST. LE OFFICE
EXISTING
CORRIDOR
EXISTING
MEN'S ROOM
EXISTING
WOMEN'S ROOM
EXIST. JANITOR
ASST.
MANAGER
MANAGER
OPEN
OFFICEEXISTING
CLOSET
ASST.
MANAGER
EXISTING
CLOSET
EXISTING
MECHANICAL
EXISTING
ELECTRICAL
TELLERS
12x10
12x12
CU-3
12x12
8x6
ETR
6x6
8x6
8x6
FTR, ETR
FTR, ETR
6x6
8"Ø
UP TO AHU-3
106 106
106A
109 111
115 120
122 123 124
CU-2 CU-1
RS/RL (2 SETS)
1 1 1
CU-42
CONCRETE
HOUSEKEEPING PAD
26x16 RA
24x14 RA24x14 RA
20x22 RA
UP TO
AHU-3, ETR
UP TO
AHU-3, ETR
UP TO AHU-1 , ETR
UP TO
AHU-2, ETR
RS/RL 33
6 (TYP.)
7 (TYP.)
7 (TYP.)
6 (TYP.)
7 (TYP.)
PROJECT CODE
RFS JOB #
OF
DATE
D E S C
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#25264
GRAPHIC SCALE(S):
NEW WORK PLAN - FIRST FLOOR
SCALE: 3/16" = 1'-0"
N E W
W O
R K
P L A
N F
IR
S T
F L O
O R
PROVIDE AIR COOLED CONDENSING UNIT, CONTROLS AND CONCRETE
EQUIPMENT PAD COMPLETE. REFER TO ARCHITECT FOR CONCRETE
PAD DETAIL.
RELOCATE AIR COOLED CONDENSING UNIT. PROVIDE CONTROL
WIRING TO INDOOR UNIT AND PROVIDE CONCRETE PAD.
PROVIDE REFRIGERANT PIPING, INSULATION, HANGERS, SUPPORTS,
AND ALL ASSOCIATED APPURTENANCES. ROUTE REFRIGERANT PIPING
TIGHT TO EXTERIOR SOFFIT FROM OUTDOOR UNIT TO AIR HANDLING
UNIT IN ATTIC.
PROVIDE GAS FIRED BOILER AS SCHEDULED. PROVIDE HWS/HWR
PIPING, GAS PIPING, AND VENT AND RECONNECT TO NEW BOILER.
REFER TO BOILER DEMOLITION AND NEW WORK DIAGRAMS.
PROVIDE INLINE HW PUMP AS SCHEDULED. PROVIDE HWS/HWR PIPING
AND RECONNECT TO NEW HW PUMP. REFER TO BOILER DEMOLITION
AND NEW WORK DIAGRAMS.
PROVIDE ZONE MOTORIZED DAMPER, SUPPORTS, AND ASSOCIATED
APPURTENANCES COMPLETE.
PROVIDE ZONE THERMOSTAT AND CONTROL WIRING COMPLETE.
PROVIDE DDC CONTROLLER COMPLETE.
NOTES THIS SHEET
3/16" = 1'-0" 0' 5' 10' 20'
AHU-1/2/3 SHALL BE LOCATED IN EXISTING ATTIC SPACE. UNITS SHALL
HAVE DIMENSIONS TO FIT THROUGH EXISTING ATTIC HATCH. UNITS WILL
REQUIRE THE ABILITY TO BE DISASSEMBLED AND RE-ASSEMBLED WITHIN
THE ATTIC SPACE. THE CONTRACTOR SHALL VISIT THE JOB SITE AND
BECOME THOROUGHLY FAMILIARIZED WITH THE EXISTING CONDITIONS.
EQUIPMENT INSTALLATION IN ATTIC:
M102 M402
M102 M402
PROJECT CODE
RFS JOB #
OF
DATE
D E S C
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2025-090
#25264
GRAPHIC SCALE(S):
NEW WORK PLAN - ATTIC
SCALE: 3/16" = 1'-0"
N E W
W O
R K
P L A
N A
T T
IC
1 NO WORK ON THIS SHEET. SHEET IS FOR REFERENCE ONLY.
NOTES THIS SHEET
3/16" = 1'-0" 0' 5' 10' 20'
KEYPLAN - ATTIC
22x18, ETR
28x20, ETR
8x6, ETR20x22, ETR
14x10, ETR
26x18, ETR
RSRL
D
AHU-31
RSRL
HWSHWR
1-1/4" D, ETR
1" HWS & HWR, ETR
26x18, ETR
26x18, ETR
10x6, ETR
30x18 OA
LOUVER, ETR
24x14 DN, ETR
AHU-1
26x16, ETR
26x16 DN, ETR
AHU-2
26x18, ETR
8x6, ETR
10x8, ETR
16x8 EXHAUST
LOUVER, ETR
22x18 OA
LOUVER, ETR
28x20, ETR
32x20, ETR
RS RLRS RL
HWS
HWR
HWS
HWR
1" HWS & HWR, ETR
D
D4
1-1/4" D, ETR
1" HWS & HWR, ETR
RSRLRSRL
2 (TYP.)
EF-2, ETR
PROJECT CODE
RFS JOB #
OF
DATE
D E S C
R
IP
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N
R E V
IS
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N O
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2025-090
#25264
GRAPHIC SCALE(S):
E N
L A
R G
E D
D E M
O L
IT
IO
N
P L A
N S
3' 1/2" = 1'-0"
5'0'
ENLARGED DEMOLITION ATTIC PLAN
SCALE: 1/2" = 1'-0"
ENLARGED DEMOLITION ATTIC PLAN
SCALE: 1/2" = 1'-0"
MD102 MD401
MD102 MD401
REFRIGERANT RECOVERY NOTE:
REFRIGERANT FROM EXISTING MECHANICAL SYSTEMS SHALL BE RECOVERED AND
RECYCLED FOR RECLAIM. EQUIPMENT CAPABLE OF PULLING A VACUUM OF LESS THAN
1000 MICRONS OF MERCURY SHALL BE USED TO RECOVER REFRIGERANT. MECHANICAL
SYSTEMS SHALL NOT BE OPENED TO ATMOSPHERE UNTIL ALL REFRIGERANT IS FULLY
RECOVERED. THE CONTRACTOR SHALL PROVIDE CONTAINERS FOR THE STORAGE OF
THE REFRIGERANT. REFRIGERANT SHALL BECOME THE PROPERTY OF THE CONTRACTOR.
REMOVE AIR HANDLING UNIT, SUPPORTS, AND FLEXIBLE DUCT
CONNECTIONS. REMOVE AUXILIARY DRAIN PAN.
REMOVE REFRIGERANT PIPING, INSULATION, HANGERS, SUPPORTS,
AND ALL ASSOCIATED APPURTENANCES IN ATTIC MECHANICAL ROOM
AND ABOVE CEILING. CAP PIPES AT EXTERIOR WALL. SEE MD101 FOR
CONTINUATION.
REMOVE HWS/HWR PIPING, INSULATION, HANGERS, SUPPORTS, AND
ALL ASSOCIATED APPURTENANCES TO POINTS INDICATED.
REMOVE CONDENSATE DRAIN PIPING, INSULATION, HANGERS,
SUPPORTS, AND ALL ASSOCIATED APPURTENANCES TO POINTS
INDICATED.
REMOVE EXISTING AIR HANDLER CONTROL PANELS AND CONTROL
WIRING COMPLETE.
NOTES THIS SHEET
KEYPLAN - ATTIC
22x18, ETR
28x20, ETR
8x6, ETR20x22, ETR
14x10, ETR
26x18, ETR
1 AHU-3
D
HWSHWR
1" HWS & HWR, ETR
RS
RL
RS
RL
1-1/4" D, ETR
1" HWS & HWR
AHU-1
AHU-2
26x18, ETR
26x18, ETR
10x6, ETR
30x18 OA LOUVER, ETR 24x14 DN, ETR
26x16, ETR
26x16 DN, ETR
26x18, ETR
8x6, ETR
10x8, ETR
16x8 EXHAUST
LOUVER, ETR
22x18 OA
LOUVER, ETR
28x20, ETR
32x20, ETR
HWS
HWR
HWS
HWR
1" HWS & HWR, ETR
D
D4
1-1/4" D, ETR
1" HWS & HWR, ETR
1" HWS &
HWR
RS
RL
RS
RL
RS
RL
RS
RL
1" HWS &
HWR
EF-2, ETR
PROJECT CODE
RFS JOB #
OF
DATE
D E S C
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#25264
GRAPHIC SCALE(S):
E N
L A
R G
E D
P L A
N S
3' 1/2" = 1'-0"
5'0'
ENLARGED NEW WORK MEZZANINE PLAN
SCALE: 1/2" = 1'-0"
ENLARGED NEW WORK MEZZANINE PLAN
SCALE: 1/2" = 1'-0"M102 M402
M102 M402
PROVIDE AIR HANDLING UNIT AS SCHEDULED. PROVIDE FLEXIBLE
DUCT CONNECTIONS AT SUPPLY/RETURN ENDS OF UNIT AND
CONNECT TO EXISTING DUCTWORK. PROVIDE AUXILIARY DRAIN PAN.
PROVIDE REFRIGERANT PIPING, INSULATION, HANGERS, SUPPORTS,
AND ALL ASSOCIATED APPURTENANCES. ROUTE 7' ABOVE FINISHED
FLOOR.
PROVIDE HWS/HWR PIPING, INSULATION, HANGERS, SUPPORTS, AND
ALL ASSOCIATED APPURTENANCES TO POINTS INDICATED.
PROVIDE CONDENSATE DRAIN PIPING, INSULATION, HANGERS,
SUPPORTS, AND ALL ASSOCIATED APPURTENANCES TO POINTS
INDICATED.
NOTES THIS SHEET
KEYPLAN - ATTIC
NO SCALE
AREA OF WORK
AHU-1/2/3 SHALL BE LOCATED IN EXISTING ATTIC SPACE. UNITS SHALL
HAVE DIMENSIONS TO FIT THROUGH EXISTING ATTIC HATCH. UNITS WILL
REQUIRE THE ABILITY TO BE DISASSEMBLED AND RE-ASSEMBLED WITHIN
THE ATTIC SPACE. THE CONTRACTOR SHALL VISIT THE JOB SITE AND
BECOME THOROUGHLY FAMILIARIZED WITH THE EXISTING CONDITIONS.
EQUIPMENT INSTALLATION IN ATTIC:
OF
DATE
D E S C
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#25264
D E T
A
IL
S
PRESSURE GAGE TAP W/
CAP & PET COCK (TYP)
SUPPLY
MAIN
RETURN MAIN
MANUAL BALANCING
VALVE W/ TAPS
3-WAY CONTROL
VALVE
BY-PASS SQUARE HEAD
COCK
3/4" DRAIN VALVE W/
HOSE CONNECTION
MANUAL AIR VENT
THERMOMETER, 0 - 250° F.
RANGE (TYP)
NOTES:
1. ARRANGE PIPING TO PERMIT REMOVAL OF COIL.
2. THE MANUAL BALANCING VALVES SHALL BE INSTALLED BY THE
CONTRACTOR IN CONFORMANCE WITH VALVE MANUFACTURER'S
RECOMMENDED SPACING UP AND DOWNSTREAM FROM PIPE CHANGES
IN DIRECTION AND/OR OTHER VALVES AND COMPONENTS IN THE PIPING.
HOT WATER COIL PIPING DETAIL
NO SCALE
PROVIDE VIBRATION
ISOLATING FLEXIBLE
PIPING CONNECTOR
(TYP. FOR 2)
BALL VALVE (TYP.)
CONDENSATE DRAIN TRAP DETAIL
NO SCALE
DRAIN PAN TRAPPING FOR SECTION
UNDER NEGATIVE PRESSURE:
L = H + J + PIPE DIAMETER WHERE:
H = 1 INCH FOR EACH INCH OF NEGATIVE
PRESSURE PLUS 1 INCH
J = 1/2 H
DRAIN PAN TRAPPING FOR SECTION
UNDER POSITIVE PRESSURE:
L = H + J + PIPE DIAMETER WHERE:
H = 1/2 INCH (MINIMUM)
J = 1/2 INCH PLUS THE UNIT POSITIVE
STATIC PRESSURE AT COIL DISCHARGE
(LOADED FILTERS)
CLEANOUT (TYP. FOR 2)
DRAIN LINE SHALL BE AT LEAST
THE SAME SIZE AS THE NIPPLE ON
THE DRAIN PAN
PITCH DOWN TOWARD
DRAIN, ROUTE AS
INDICATED ON PLAN
DRAIN PAN
PROVIDE (3) 1/4"ø VENT HOLES
M0917
GAS COCK
INDOOR EQUIPMENT GAS CONNECTION DETAIL
NO SCALE
UNION (TYP)
AGA APPROVED
STAINLESS STEEL
FLEXIBLE CONNECTOR
INDOOR
GAS FIRED
EQUIPMENT
6" DIRT LEG
(FULL SIZE)
CAPPED TEE FOR PRESSURE
MEASURING INSTRUMENT
BOILER DEMOLITION DIAGRAM
NO SCALE
HW
R
HWR
HW
S
EXISTING BOILER
BOILER NEW WORK DIAGRAM
NO SCALE
HW
R
HWR
HW
S
B-1
NOTE:
THIS DETAIL IS TYPICAL FOR ALL EXTERNALLY ISOLATED AIR HANDLING UNITS. PROVIDE A
MINIMUM OF 8 ISOLATORS PER UNIT. BASED ON KINETICS FDS-2.
WOOD FLOOR
WASHER
(TYP)
NUT (TYP)
5-1/2"
MAX
PROVIDE TOGGLE TYPE ANCHOR BOLT
(TYP FOR 2 EACH SPRING)
PROVIDE BOLT DOWN ISOLATOR
MOUNT
FREE STANDING SPRING
ISOLATOR
PROVIDE MC8x22.8 CHANNEL FULL
LENGTH OF AHU BASE RAIL
LEVELING
BOLT
AHU BASE RAIL
AHU VIBRATION ISOLATOR INSTALLATION DETAIL
NO SCALE
CONCRETE PAD, ETR, EXTEND AS
REQUIRED FOR NEW BOILER
CONCRETE PAD, ETR
SECURE TO WALL W/ 1/2"Ø
TOGGLE OR EXPANSION
BOLT (TYP)
3/8"Ø BOLT
(TYPICAL)
SPACED TO
CLEAR
BEAM
OFFSET RISER CLAMP
RISER SUPPORT DETAIL
NO SCALE
NOTE:
MIN. (4) - 1/2"Ø CONCRETE
CONCRETE
PAD
ANCHOR TYPE THREADED
STUDS WITH WASHERS AND
LOCKNUTS
LIQUID LINE
SIMILAR WITH
FELT LINED
BRASS SLEEVE
AROUND PIPE
REFRIGERANT
PIPE
PIPE
SUPPORT
WITH U-BOLT
FILLET
WELD ALL
AROUND
BASE
STAND
(6"x6"x1/4"
THICK)
PIPE SUPPORT DETAIL
OF
DATE
D E S C
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#25264
S C
H E D
U L E S
HOT WATER BOILER SCHEDULE
INPUT GROSS INPUT LWT EWT ELECTRICAL DATA
TAG FUEL (MBH) (MBH) GPM (ºF) (ºF) MCA MOCP VOLTS PHASE MODEL NO. REMARKS
B-1 NATURAL GAS 399.0 335.0 22.0 180 150 10.0 15.0 120 1 HD401 SEE NOTES
NOTES:
1. THE DESIGN SCHEDULE SHOWN IS BASED ON RAYPAK EQUIPMENT AND IS INTENDED ONLY TO SHOW THE GENERAL SIZE, CONFIGURATION, LOCATION, CONNECTIONS AND SUPPORT FOR EQUIPMENT OR SYSTEM SPECIFIED RELATION TO THE OTHER BUILDING SYSTEMS. SEE SPECIFICATION SECTION 237313 FOR TECTNICAL REQUIRMENTS PERTAINING TO THE EQUIPMENT.
2. PROVIDE SUITABLE FOR 4 IN. WC MINIMUM GAS PRESSURE.
3. PROVIDE ALL TRIM AND APPURTENANCES RECOMMENDED FOR INDICATED APPLICATION.
4. PROVIDE 2-STAGE BURNER.
PUMP SCHEDULE
HEAD MIN DUTY POINT ELECTRICAL DATA
TAG SERVICE TYPE GPM (FT) EFFICIENCY HP VOLTS PHASE RPM REMARKS
P-1 HW SYSTEM INLINE 22.0 40.0 51.3 1 208 3 3450 SEE NOTES
P-2 HW SYSTEM INLINE 22.0 40.0 51.3 1 208 3 3450 SEE NOTES
NOTES:
1. THE DESIGN SCHEDULE SHOWN IS BASED ON BELL & GOSSETT MODEL e-90 1AAB EQUIPMENT AND IS INTENDED ONLY TO SHOW THE GENERAL SIZE, CONFIGURATION, LOCATION, CONNECTIONS AND SUPPORT FOR EQUIPMENT OR SYSTEM SPECIFIED RELATION TO THE OTHER BUILDING SYSTEMS. SEE SPECIFICATION SECTION
237313 FOR TECTNICAL REQUIRMENTS PERTAINING TO THE EQUIPMENT.
2. PROVIDE NON-OVERLOADING MOTOR SELECTION.
3. PROVIDE WITH MOTOR STARTER SIZED IN ACCORDANCE WITH NEMA RECOMMENDATIONS.
CUSTOM AIR HANDLING UNIT SCHEDULE
SUPPLY FAN DATA DX COIL DATA HOT WATER HEATING COIL DATA UNIT ELECTRICAL DATA
SA ELECTRICAL DATA TOTAL SENS. MAX TOTAL MAX MAX
CFM OA ESP TSP REFRIGERANT CAPACITY CAPACITY EDB EWB LDB LWB REFRIGERANT CAPACITY EDB LDB EWT LWT APD WPD
TAG TYPE (MAX/MIN) CFM (IN. WG) (IN. WG) HP VOLTS PHASE TYPE MBH MBH (ºF) (ºF) (ºF) (ºF) CHARGE (LBS) MBH (ºF) (ºF) (ºF) (ºF) GPM (IN. WG) (FT WG) VOLTS PHASE MCA MOCP REMARKS AHU-1 CUSTOM 3000 885 1.50 3.22 7.5 208 3 454B 91.2 59.2 83.0 70.0 65.1 61.0 16.6 106.8 58.0 90.8 180 150.0 7.1 0.15 0.74 208 3 35.5 60 SEE NOTES AHU-2 CUSTOM 3600 880 1.50 3.27 5 208 3 454B 121.4 81.4 81.0 69.0 60.5 58.8 21.6 137.2 58.0 93.1 180 150.0 9.1 0.12 0.99 208 3 28 50 SEE NOTES AHU-3 CUSTOM 3600 540 1.50 3.50 5 208 3 454B 117.4 95.5 82.0 67.0 57.9 56.6 17.5 137.2 58.0 93.1 180 150.0 9.1 0.12 0.99 208 3 28 50 SEE NOTES
NOTES:
1. THE DESIGN SCHEDULE SHOWN IS BASED ON TRANE UCCA EQUIPMENT AND IS INTENDED ONLY TO SHOW THE GENERAL SIZE, CONFIGURATION, LOCATION, CONNECTIONS AND SUPPORT FOR EQUIPMENT OR SYSTEM SPECIFIED RELATION TO THE OTHER BUILDING SYSTEMS. SEE SPECIFICATION SECTION 237313 FOR TECTNICAL REQUIRMENTS PERTAINING TO THE EQUIPMENT.
2. LEAVING AIR TEMPERATURE IS TO BE PROVIDED AT THE UNIT DISCHARGE, TOTAL & SENSIBLE CAPACITIES ARE "NET" VALUES TO BE PROVIDED DOWNSTREAM OF THE SUPPLY AIR FAN.
3. PROVIDE WITH INVERTER DUTY RATED MOTOR AND VARIABLE FREQUENCY DRIVE
4. PROVIDE WITH THE FOLLOWING SECTIONS: FLAT FILTER, MEDIUM ACCESS COOLING COIL, FAN, DUAL CIRCUIT COOLING COIL (AHU-2/3), HOT-WATER REHEAT COIL.
DUCT CONSTRUCTION AND LEAK TEST SCHEDULE
TAG
DUCT PRESSURE CLASS
SUPPLY/RETURN/OUTSIDE/EXHAUST AIR
ROUND/OVAL RECTANGULAR DUCT DUCT
SUPPLY RETURN EXHAUST OUTSIDE DUCT DUCT LEAK DUCT DUCT LEAK TEST TEST
DUCT DUCT DUCT AIR DUCT SEAL CLASS SEAL CLASS PRESSURE TYPE
SP SP SP SP CLASS CFM/100 SF CLASS CFM/100 SF SP
RTU/AHU 2 -2 -2 A 2 A 4 - NOT REQUIRED
NOTES:
1. ALL DUCTWORK SYSTEMS SHALL BE SEALED IN ACCORDANCE TO SMACNA DUCT SEAL CLASS A STANDARDS.
AIR COOLED CONDENSING UNIT SCHEDULE
MIN REFRIG. REFRIGERANT OA TEMP. COMPRESSOR MOTOR(S) ELECTRICAL DATA MINIMUM
TAG SERVES EFFECT (MBH) TYPE (ºF DB) NO. RLA (EACH) MCA MOCP VOLTS PHASE IEER MODEL NO. REMARKS
CU-1 AHU-1 91.2 454B 95 1 27.1 38 60 208 3 14.6 TTA09 SEE NOTES
CU-2 AHU-2 121.4 454B 95 2 16.5 43 50 208 3 14.6 TTA12 SEE NOTES
CU-3 AHU-3 119.0 454B 95 2 16.1 42 50 208 3 14.6 TTA12 SEE NOTES
NOTES:
1. THE DESIGN SCHEDULE SHOWN IS BASED ON TRANE EQUIPMENT AND IS INTENDED ONLY TO SHOW THE GENERAL SIZE, CONFIGURATION, LOCATION, CONNECTIONS AND SUPPORT FOR EQUIPMENT OR SYSTEM SPECIFIED RELATION TO THE OTHER BUILDING SYSTEMS. SEE SPECIFICATION SECTION 237313 FOR TECTNICAL REQUIRMENTS PERTAINING TO THE EQUIPMENT.
2. PROVIDE SAME MANUFACTURER AS ASSOCIATED AIR HANDLER.
3. PROVIDE LOCKING-TYPE TAMPER-RESISTANT CAPS ON REFRIGERANT CIRCUIT ACCESS PORTS.
REFRIGERANT SAFETY CALCULATION
EQUIPMENT REFRIGERANT SAFETY RCL LFL TOTAL REFRIGERANT ACCEPTABLE CIRCUIT INITIAL SPACE MITIGATION RELEASE MITIGATION MITIGATION CONROL MACHINERY
TAG TYPE GROUP (LB/1000CF) (LB/1000CF) VOLUME (CF) CHARGE LIMIT Mdef (LB) CHARGE EDVC (LB) CHARGE (LB) COMPLIANCE CONTROLS TYPE RELEASEABLE CHARGE (LB) COMPLIANCE ROOM COMPLIANCE AHU-1 (R-32) 32 A2L 4.8 19.1 35352 NOT APPLICABLE 337.61 32.3 PASS NONE - NOT APPLICABLE NOT REQUIRED
AHU-1 (R-454B) 454B A2L 3.1 22 35352 NOT APPLICABLE 388.87 16.6 PASS NONE - NOT APPLICABLE NOT REQUIRED AHU-2 (R-32) 32 A2L 4.8 19.1 13210 NOT APPLICABLE 126.16 36.2 PASS NONE - NOT APPLICABLE NOT REQUIRED
AHU-2 (R-454B) 454B A2L 3.1 22 13210 NOT APPLICABLE 145.31 21.6 PASS NONE - NOT APPLICABLE NOT REQUIRED AHU-3 (R-32) 32 A2L 4.8 19.1 32389 NOT APPLICABLE 309.31 36.8 PASS NONE - NOT APPLICABLE NOT REQUIRED
AHU-3 (R-454B) 454B A2L 3.1 22 32389 NOT APPLICABLE 356.28 17.5 PASS NONE - NOT APPLICABLE NOT REQUIRED
NOTES:
1. ALL REFRIGERANT SAFETY CALCULATIONS ARE CALCULATED IN ACCORDANCE WITH ASHRAE 15 - 2022 AND ASHRAE 34 - 2022.
2. REFRIGERANT CHARGE LIMIT Mdef ONLY APPLIES TO GROUP A2L REFRIGERANT SYSTEMS THAT ARE NOT EQUIPPED WITH AIR CIRCULATION IN ACCORDANCE WITH SECTION 7.6 OF ASHRAE 15.
3. CIRCUIT CHARGE IS THE LARGEST INDEPENDENT CIRCUIT CHARGE FOR THE SYSTEM.
4. FOR SYSTEMS PROVIDED WITH MITIGATION CONTROLS, MITIGATION CONTROLS MUST BE PROVIDED BY THE EQUIPMENT MANUFACTURER AND BE COMPONENTS OF A REFRIGERATION SYSTEM THAT IS LISTED PER UL 60335-2-40/CSA C22.2 No. 60335-2-40 -OR- UL 60335-2-89/CSA C22.2 No. 60335-2-89 .
5. COMPLIANCE WITH EDVC USING RELEASE MITIGATION CONTROLS IS PROHIBITED FOR SYSTEMS SERVING INSTITUTIONAL OCCUPANCIES.
6. FOR SYSTEMS REQURING MACHINERY ROOMS, MACHINERY ROOMS MUST BE DESIGNED IN ACCORDANCE WITH SECTION 8.9 OF ASHRAE 15 FOR ALL NON-FLAMMABLE CLASSIFIED REFRIGERANTS -OR- IN ACCORDANCE WITH SECTION 8.11 OF ASHRAE 15 FOR ALL REFRIGERANTS CLASSIFIED A2L AND B2L.
7. ACCEPTABLE CHARGE EDVC CALCULATION NOT REQUIRED FOR LISTED SYSTEMS WITH A CIRCUIT CHARGE ≤6.6 LBS -OR- LISTED SELF-CONTAINED SYSTEMS LOCATED IN A COMMERCIAL OCCUPANCY, NOT LOCATED IN A PUBLIC CORRIDOR OR LOBBY, WITH A CIRCUIT CHARGE ≤22 LBS.
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3-WAY CONTROL VALVE WITH PORT POSITIONS INDICATED
DUCT TEMPERATURE SENSOR - POINT TYPE
AIR FLOW MONITORING STATION WITH FLOW DIRECTION INDICATED
AIRSIDE CONTROLS KEY:
NO NORMALLY OPEN
NC NORMALLY CLOSED
ANALOG INPUT
ANALOG OUTPUT
CHECK VALVE WITH PERMISSIBLE FLOW DIRECTION SHOWN
DIFFERENTIAL PRESSURE SENSOR/SWITCH
VFD
VARIABLE FREQUENCY DRIVE
DUCT TEMPERATURE SENSOR - AVERAGE TYPE
DUCT HUMIDITY SENSOR
TS
TS
HS
DPS
AFMS
FREEZESTAT PROTECTION SENSORFP
COS CONDENSATE OVERFLOW SWITCH
DA DAMPER ACTUATOR
OPPOSED DAMPER BLADES
PARALLEL DAMPER BLADES
SMOKE DUCT SMOKE DETECTOR
PUMP
WATERSIDE CONTROLS KEY:
PIPE JUNCTION
PIPE FLOW DIRECTION
AI
AO
DIGITAL INPUTDI
DIGITAL OUTPUTDO
BACNET INTEGRATIONBAC
SAFETY CIRCUIT DEVICESAFE
FIRE ALARM RELAY/INTEGRATIONFAR
CONTROL POINTS KEY:
IMMERSION TEMPERATURE SENSORTS
DIFFERENTIAL PRESSURE SENSOR/SWITCHDPS
PROOF OF FLOW SWITCHFS
FLOW METER WITH FLOW DIRECTION INDICATEDFM
VFD
ABBREVIATIONS:
C COMMON
SR SPRING RETURN
NSR NON-SPRING RETURN
EW ENTERING WATER
LW LEAVING WATER
CWS/CWR CHILLED WATER SUPPLY/RETURN
HWS/HWR HOT WATER SUPPLY/RETURN
CS/CR CONDENSER WATER SUPPLY/RETURN
OCC OCCUPANCY
VAC VACANCY
OCC/VAC
OCCUPANCY/VACANCY SENSOR WITH SENSOR TYPE
CSR CURRENT SENSING RELAY
PCWP PRIMARY CHILLED WATER PUMP
PHWP PRIMARY HOT WATER PUMP
SHWP SECONDARY HOT WATER PUMP
SCWP SECONDARY CHILLED WATER PUMP
CP CONDENSER WATER PUMP
MOTOR STARTER
MOTOR STARTER
VARIABLE FREQUENCY DRIVE
LPS LOW PRESSURE STEAM
COND STEAM CONDENSATE
BR BAROMETRIC RELIEF
CONTROLS LEGEND
TIME DELAY RELAY WITH DELAY TYPE AND TIMER
TYPE
TIMER
C
CONTROL SYMBOLS KEY:
NORMALLY OPEN CONTACT
NORMALLY CLOSED CONTACT
GENERAL CONTROL DRAWING NOTES
1.0 GENERAL ITEMS:
GENERAL NOTES ON THIS DRAWING ARE APPLICABLE TO EACH CONTROL DRAWING IN THIS SET. SEE
EACH DRAWING FOR SPECIFIC NOTES APPLICABLE TO THAT DRAWING.
IF ANY DESIGN DEVIATIONS EXIST, CONTRACTOR MUST IDENTIFY ALL EXCEPTIONS AND/OR DEVIATIONS
AND SUBMIT TO THE DESIGNER OF RECORD FOR APPROVAL.
2.0 FIELD INSTALLED CONTROL DEVICES:
COORDINATE FINAL LOCATION OF ALL CONTROL DEVICES WITH REFLECTED CEILING PLAN, LIGHTING
FIXTURE LAYOUT, AND ACCESSORIES INSTALLED BY OTHER TRADES TO PRESENT A NEAT AND
ATTRACTIVE INSTALLATION THROUGHOUT THE ENTIRE BUILDING.
WALL-MOUNTED CONTROL SENSORS SHALL BE LOCATED IN THE ROOMS INDICATED ON PLANS. INSTALL SENSORS WITH CENTERLINE AT 46" ABOVE FINISHED FLOOR UNLESS NOTED OTHERWISE. FOR SENSORS LOCATED ADJACENT TO OTHER WALL-MOUNTED DEVICES, THE CONTROL SENSOR SHALL BE INSTALLED
TO MATCH CENTERLINE HEIGHT OF THE ADJACENT WALL-MOUNTED DEVICE.
ALL CONTROL DEVICES SHALL BE INSTALLED IN LOCATIONS THAT ARE EASILY ACCESSIBLE AND PER
MANUFACTURER'S INSTALLATION INSTRUCTIONS.
3.0 NETWORKING AND WIRING:
PROVIDE MATCHING WIRE LABELS ON EACH END OF ALL CONTROL WIRING THAT IDENTIFY POINT NAME AND ADDRESS. FOR NETWORKING WIRING, LABEL TO IDENTIFY SOURCE AND DESTINATION LOCATIONS.
FOR ETHERNET-BASED BUILDING LEVEL CONTROLLERS, PROVIDE A SECONDARY ETHERNET PORT
INSIDE THE CONTROLLER CABINET AND ADJACENT TO THE CONTROLLER. WIRE SECONDARY ETHERNET PORT TO THE SAME NETWORK SWITCH SERVING THE CONTROLLER TO BE UTILIZED FOR NETWORK
ACCESS TO BAS FOR SERVICEABILITY.
LOW VOLTAGE POWER TRUNKS SHALL BE SIZED SO THAT THE TOTAL CONNECTED LOAD DOES NOT EXCEED 80% OF RATED POWER SUPPLY CAPACITY AND END-OF-LINE VOLTAGE DOES NOT FALL BELOW
MANUFACTURER'S DOCUMENTED MINIMUM VOLTAGE REQUIREMENTS.
4.0 RECORD DRAWINGS/AS-BUILTS:
PROVIDE RECORD DRAWINGS THAT INDICATES ALL FIELD INSTALLED CONTROL DEVICES AND WIRING
PATHS ON FLOOR PLANS.
PROVIDE A LAMINATED AS-BUILT WIRING DIAGRAM INSIDE EACH CONTROL CABINET.
FOR CONTROL DEVICES LOCATED IN CEILINGS, CONTROLS CONTRACTOR MUST PROVIDE LABELS TO IDENTIFY THE LOCATIONS OF CONTROL DEVICES WITHOUT HAVING TO OPEN THE CEILING. SUBMIT
LABEL PRODUCT DATA TO ARCHITECT FOR APPROVAL.
EACH CONTROL VALVE SHALL BE PROVIDED WITH A TAG THAT IDENTIFIES THE VALVE TAG NUMBER, VALVE TYPE, Cv VALUE, FAIL POSITION, AND VALVE BODY/ACTUATOR PART NUMBERS.
ETHERNET SWITCH
BY OWNER
TO ADDITIONAL BACnet I/P BUILDING
CONTROLLERS (B-BC) OR ADVANCED
APPLICATION CONTROLLERS (B-AAC)
TO BACnet I/P APPLICATION SPECIFIC
CONTROLLERS (B-ASC)
TO BACnet MS/TP APPLICATION SPECIFIC
CONTROLLERS (B-ASC)
TO BACnet MS/TP APPLICATION SPECIFIC
CONTROLLERS (B-ASC)
HUMAN MACHINE INTERFACE (HMI)
OWNER'S IT INFRASTRUCTURE
UNINTERRUPTIBLE
POWER
SUPPLY/TRANSFORMER24 VAC
120 VAC
(COORDINATE WITH DIVISION 26)
REMOTE ACCESS TO BAS
DDC CONTROL SYSTEM BACnet ARCHITECTURE
NO SCALE
NOTE 1: COORDINATE ALL I/P NETWORK REQUIREMENTS WITH OWNER'S IT PERSONNEL.
LAN
1A 1B
AC/DC 24 V
COM1
COM2
COM3
COM4
RUN
BAT
TXM
SVC
WLAN
COM1
COM2
COM3
COM4
SVC
BUILDING CONTROLLER (B-BC)
TO BACnet MS/TP ADVANCED
APPLICATION CONTROLLERS (B-AAC)
CONNECT TO OWNER'S IT
INFRASTRUCTURE TO INTEGRATE
INTO BAS ENTERPRISE NETWORK
PROVIDE FRONT END WORKSTATION
LAPTOP/TABLET WITH ALL REQUIRED
BAS SOFTWARE. COORDINATE WITH
IT PERSONNEL FOR INTEGRATION
INTO IT NETWORK
SIZE UPS TO PROVIDE CONTINUOUS
POWER FOR A MINIMUM OF 30 MINUTES
TO BACnet MS/TP ADVANCED
APPLICATION CONTROLLERS (B-AAC)
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SPLIT SYSTEM CONTROL DIAGRAM
NO SCALE
1.0 GENERAL:
THE SPLIT SYSTEM UNIT IS EQUIPPED WITH A DX COOLING COIL, HOT WATER HEATING COIL, AND
OUTDOOR AIR DAMPER THAT SHALL BE INTEGRATED INTO THE BAS.
2.0 UNOCCUPIED MODE:
WHENEVER THE BUILDING ENTERS THE UNOCCUPIED MODE THE SUPPLY FAN SHALL BE DISABLED. ON A RISE IN SPACE TEMPERATURE ABOVE THE UNOCCUPIED COOLING SETPOINT (85°F, ADJ.), THE SUPPLY FAN SHALL BE ENABLED, ENGAGE THE COOLING COIL, AND THE COMPRESSORS SHALL STAGE AS REQUIRED TO MAINTAIN SPACE TEMPERATURE. UPON A FALL IN SPACE TEMPERATURE BELOW THE UNOCCUPIED COOLING SETPOINT, THE SUPPLY FAN SHALL BE DISABLED AND THE COMPRESSORS
SHALL BE DISABLED.
ON A FALL IN SPACE TEMPERATURE BELOW ITS UNOCCUPIED HEATING SETPOINT (55°F, ADJ.), THE SUPPLY FAN SHALL BE ENABLED AND THE HEATING COIL SHALL STAGE AS REQUIRED TO MAINTAIN
SPACE TEMPERATURE. UPON A FALL IN SPACE TEMPERATURE ABOVE THE UNOCCUPIED HEATING
SETPOINT, THE SUPPLY FAN SHALL BE DISABLED, AND THE HOT WATER COIL SHALL BE DISABLED.
2.1 OCCUPIED OVERRIDE:
THE UNIT IS EQUIPPED WITH AN OCCUPANCY OVERRIDE SWITCH THAT IS LOCATED ON THE SPACE TEMPERATURE SENSOR. DURING THE UNOCCUPIED MODE, IF THE OCCUPANCY OVERRIDE SWITCH IS ACTIVATED, THE UNIT SHALL BE INDEXED TO THE OCCUPIED MODE FOR A DETERMINED AMOUNT OF TIME (INITIALLY SET AT 2 HOURS (ADJ.)). AFTER THE OCCUPANCY OVERRIDE TIME EXPIRES, THE SYSTEM
SHALL RETURN TO THE UNOCCUPIED MODE.
TRANSITION FROM UNOCCUPIED TO OCCUPIED SHALL BE AUTOMATIC THROUGH THE BAS UTILIZING
PRESET TIME SCHEDULE.
3.0 MORNING WARM-UP/COOL-DOWN:
THE BAS SYSTEM SHALL EMPLOY AN OPTIMUM START/STOP PROGRAM TO ENGAGE MORNING
WARM-UP/COOL-DOWN SO THAT SPACE CONDITIONS REACH THE OCCUPIED SETPOINTS 30 MINUTES (ADJ.) PRIOR TO SCHEDULED OCCUPANCY. DURING THIS MODE OF OPERATION, THE SUPPLY FAN SHALL BE ENABLED, THE OUTDOOR AIR DAMPER SHALL REMAIN FULLY CLOSED, AND THE HOT WATER COIL SHALL STAGE AS REQUIRED TO MAINTAIN THE ACTIVE OCCUPIED SPACE TEMPERATURE SETPOINTS.
ONCE THE BUILDING REACHES OCCUPIED SETPOINTS OR IF THE OCCUPANCY OVERRIDE SWITCH IS
ENABLED AT THE SPACE SENSOR, THE UNIT SHALL BE INDEXED TO THE OCCUPIED MODE.
4.0 OCCUPIED MODE:
WHENEVER THE BUILDING ENTERS THE OCCUPIED MODE, THE SUPPLY FAN SHALL BE ENABLED. ON A RISE IN SPACE TEMPERATURE ABOVE THE OCCUPIED COOLING SETPOINT (74°F, ADJ.), THE UNIT SHALL ENGAGE THE COOLING COIL, AND THE COMPRESSORS SHALL STAGE AS REQUIRED TO MAINTAIN SPACE TEMPERATURE. UPON A FALL IN SPACE TEMPERATURE BELOW THE OCCUPIED COOLING SETPOINT, THE
COMPRESSORS SHALL BE DISABLED.
ON A FALL IN SPACE TEMPERATURE BELOW ITS OCCUPIED HEATING SETPOINT (69°F, ADJ.), THE UNIT
SHALL ENGAGE THE HOT WATER COIL AND SHALL STAGE AS REQUIRED TO MAINTAIN SPACE
TEMPERATURE. UPON A RISE IN SPACE TEMPERATURE ABOVE THE OCCUPIED HEATING SETPOINT, THE
HOT WATER HEATING COIL SHALL BE DISABLED.
5.0 SAFETIES AND ALARMS:
ALL SAFETY DEVICES IDENTIFIED WITH (SAFE) SHALL BE HARDWIRE-INTERLOCKED TO PREVENT UNIT
OPERATION DURING A SAFETY EVENT UNLESS NOTED OTHERWISE.
5.1 CONDENSATE OVERFLOW SWITCH:
UPON ACTIVATION OF THE CONDENSATE OVERFLOW SWITCH, THE DX COOLING SHALL BE DISABLED, AND AN ALARM SHALL BE GENERATED AT THE BAS FRONT END. UPON DE-ACTIVATION OF THE
CONDENSATE OVERFLOW SWITCH, THE DX COOLING SHALL RETURN TO NORMAL OPERATION AND THE
GENERATED ALARM SHALL BE CLEARED.
5.2 SUPPLY FAN FAILURE:
UPON FAILURE OF THE SUPPLY FAN, THE BAS SHALL DISABLE THE UNIT AND GENERATE AN ALARM AT
THE FRONT END.
5.3 CONDENSER UNIT FAILURE:
UPON FAILURE OF THE CONDENSER UNIT, THE BAS SHALL DISABLE THE UNIT AND GENERATE AN ALARM
AT THE FRONT END.
5.4 DIRTY FILTER ALARM:
WHENEVER THE UNIT RUNTIME EXCEEDS 500 HOURS (ADJ.), AN ALARM SHALL BE GENERATED AT THE
BAS FRONT END.
COOLING
COILFILTER
AI1
TS
SUPPLY AIRRETURN AIR
OUTDOOR AIR
DO3
DO4
DI3
D X
DI2DO2
AI3
DI5
SPACE TEMPERATURE SENSOR
W/ OCCUPANCY OVERRIDE, ETR
AI2
DI4
SAFE
H C
HEATING HOT
WATER COIL
HW
S
HW
R
AO1
AI4
CONDENSING
UNIT
AHU-1/CU-1 & AHU-2/CU-2
M
POINTS LIST (AHU-1/2/3)
POINT
ADDRESS POINT NAME NOTES POINT
ADDRESS POINT NAME NOTES
INPUTS OUTPUTS
DI
GI
TA
L
DI1 NOT USED
DI
GI
TA
L
DO1 NOT USED
DI2 SUPPLY FAN STATUS DO2 SUPPLY FAN COMMAND
DI3 CONDENSER UNIT STATUS DO3 COMPRESSOR STAGE COMMAND 1
DI4 CONDENSATE OVERFLOW SWITCH STATUS DO4 NOT USED
DI5 OCCUPANCY OVERRIDE REQUEST STATUS DO5 NOT USED
AN
AL
OG
AI1 SUPPLY AIR TEMPERATURE
AN
AL
OG
AO1 HOT WATER VALVE COMMAND
AI2 SPACE TEMPERATURE
AI3 SPACE TEMPERATURE SETPOINT LOCAL OVERRIDE
AI4 HOT WATER VALVE POSITION FEEDBACK
NOTES:
1. POINT IS TYPICAL FOR EACH COMPRESSOR STAGE.
2. UNIT TO BE INTEGRATED INTO THE BAS VIA BACnet I/P OR BACnet MS/TP.
DA
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COOLING
DX COILFILTER
AI2
NC-SR
AI3
AI1
TS
SUPPLY AIR
RETURN AIR
AHU-3/CU-3 CONTROL DIAGRAM
NO SCALE
SEQUENCE OF OPERATION
D X
STRAIGHT AC
REMOTE
OUTDOOR AIR
SMOKE
FAS
DI4
SAFE
AI6
DI6
SPACE TEMPERATURE SENSOR
W/OCCUPANCY OVERRIDE.
AI5
DI3
SAFE
TS
H C
HW HEATING
COIL
AO1
NC
CNO
TS
HWR
HWSDO3
NO-SR
AO2
DI1
DO1
L H
DI5
SAFE
L H
AI4
DO2
NO-SR SUPPLY AIR
AO3
SUPPLY AIR
ZONE DAMPER CONTROL DIAGRAM
NO SCALE
DI2
POINTS LIST
POINT
ADDRESS POINT NAME NOTES POINT
ADDRESS POINT NAME NOTES
INPUTS OUTPUTS
DI
GI
TA
L
DI1 SUPPLY FAN STATUS
DI
GI
TA
L DO1 SUPPLY FAN COMMAND
DI2 REFRIGERANT DETECTOR STATUS 2 DO2 COMPRESSOR ENABLE COMMAND 1
DI3 CONDENSATE OVERFLOW SWITCH STATUS DO3 OUTDOOR AIR DAMPER COMMAND
DI4 SMOKE DETECTOR ACTIVATION
AN
AL
OG AO1 MODULATING HEATER COMMAND
DI5 DUCT HIGH STATIC PRESSURE SWITCH STATUS AO2 BYPASS DAMPER COMMAND
DI6 OCCUPANCY OVERRIDE REQUEST STATUS AO3 ZONE DAMPER COMMAND
AN
AL
OG
AI1 RETURN AIR TEMPERATURE
AI2 MIXED AIR TEMPERATURE
AI3 SUPPLY AIR TEMPERATURE
AI4 DUCT STATIC PRESSURE
AI5 SPACE TEMPERATURE
AI6 SPACE TEMPERATURE SETPOINT LOCAL OVERRIDE
GENERAL NOTES:
A. PROVIDE THE FOLLOWING SYSTEM WITH A DIRECT DIGITAL CONTROLLER THAT WILL INTEGRATE INTO THE BAS VIA BACnet. POINTS LISTED ABOVE ARE THE MINIMUM REQUIRED FOR INTEGRATION INTO
THE BAS.
B. INTEGRATE ADDITIONAL BACnet POINTS NOT SHOWN TO MEET THE DESIGN INTENT OF THE SEQUENCE OF OPERATION.
C. DEVICES IDENTIFIED WITH (FAS) MUST INTERFACE WITH THE FIRE ALARM SYSTEM. COORDINATE WITH REQUIRED TRADES TO INTEGRATE IDENTIFIED POINTS INTO THE BAS/FIRE ALARM SYSTEM.
INSTALLATION NOTES:
1. TYPICAL FOR EACH COMPRESSOR STAGE.
2. REFRIGERANT DETECTOR PROVIDED AND INSTALLED BY EQUIPMENT MANUFACTURER.
CONTROL VALVE SCHEDULE
TAG PORT
TYPE
VALVE
TYPE
CONTROL
TYPE SERVES FAIL
POSITION
VALVE
SIZING NOTES
V-1 3-WAY BALL EQUAL PERCENTAGE HOT WATER COIL NORMALLY OPEN - NON
SPRING RETURN SIZE TO CV SEE NOTES BELOW
NOTES:
1. ALL HYDRONIC CONTROL VALVES MUST BE SELECTED WITH MINIMUM CLOSE OFF PRESSURE CAPACITY OF 50 PSIG -OR- 1.5 TIMES SYSTEM HEAD PRESSURE (WHICHEVER IS
GREATER).
2. USE DESIGN PRESSURE DROP OF 3 PSIG FOR MODULATING CONTROL VALVE SIZING. ACTUAL PRESSURE DROP MUST NOT EXCEED 3.5 PSIG.
3. MODULATING CONTROL VALVE SIZE MUST HAVE A MINIMUM VALVE SIZE NO LESS THAN TWO NOMINAL LINE SIZES AND A MAXIMUM VALVE SIZE EQUAL TO LINE SIZE.
1.0 GENERAL:
THE FOLLOWING SYSTEM IS EQUIPPED WITH A DX COOLING COIL, HOT WATER HEATING COIL, ZONE CONTROL DAMPERS, AND A SYSTEM BYPASS DAMPER. THE SYSTEM SHALL BE PROVIDED WITH DIRECT
DIGITAL CONTROLS THAT SHALL INTEGRATE INTO THE BAS.
2.0 UNOCCUPIED MODE:
WHENEVER THE BUILDING ENTERS THE UNOCCUPIED MODE, THE SUPPLY FAN SHALL BE DISABLED, THE OUTDOOR AIR DAMPER SHALL BE FULLY CLOSED, AND THE BYPASS DAMPER FULLY CLOSED. ALL ZONE DAMPERS SHALL BE FULLY OPEN. ON A CALL FOR NIGHT SETBACK CONDITIONING, THE OUTDOOR AIR DAMPER AND BYPASS DAMPER SHALL REMAIN FULLY CLOSED AND ALL ZONE DAMPERS SHALL REMAIN
FULLY OPEN.
ON A RISE IN THE AVERAGE ZONE TEMPERATURE ABOVE THE UNOCCUPIED COOLING SETPOINT (78°F, ADJ.), THE SUPPLY FAN SHALL BE ENABLED AND THE COMPRESSOR(S) SHALL STAGE AS REQUIRED TO MAINTAIN THE AVERAGE SPACE TEMPERATURE SETPOINT. UPON A FALL IN SPACE TEMPERATURE BELOW THE UNOCCUPIED COOLING SETPOINT, THE SUPPLY FAN SHALL BE DISABLED AND COOLING
SHALL BE DISABLED.
ON A FALL IN THE AVERAGE SPACE TEMPERATURE BELOW ITS UNOCCUPIED HEATING SETPOINT (65°F, ADJ.), THE SUPPLY FAN SHALL BE ENABLED AND THE HOT WATER HEATING COIL SHALL MODULATE TO MAINTAIN THE AVERAGE SPACE TEMPERATURE SETPOINT. UPON A RISE IN SPACE TEMPERATURE ABOVE THE UNOCCUPIED HEATING SETPOINT, THE SUPPLY FAN SHALL BE DISABLED AND HEATING
SHALL BE DISABLED.
2.1 OCCUPIED OVERRIDE:
THE UNIT IS EQUIPPED WITH AN OCCUPANCY OVERRIDE SWITCH THAT IS LOCATED ON THE SPACE TEMPERATURE SENSOR. DURING THE UNOCCUPIED MODE, IF THE OCCUPANCY OVERRIDE SWITCH IS ACTIVATED, THE UNIT SHALL BE INDEXED TO THE OCCUPIED MODE FOR A DETERMINED AMOUNT OF TIME (INITIALLY SET AT 2 HOURS (ADJ.). AFTER THE OCCUPANCY OVERRIDE TIME EXPIRES, THE SYSTEM
SHALL RETURN TO THE UNOCCUPIED MODE.
TRANSITION FROM UNOCCUPIED TO OCCUPIED SHALL BE AUTOMATIC THROUGH THE BAS UTILIZING
PRESET TIME SCHEDULE.
3.0 ADAPTIVE START:
THE BAS SHALL EMPLOY AN ADAPTAVE START PROGRAM TO AUTOMATICALLY ADJUST THE DAILY START
TIME SO THAT SPACE CONDITIONS REACH THE OCCUPIED SETPOINTS PRIOR TO SCHEDULED
OCCUPANCY. DURING THIS MODE OF OPERATION, THE SUPPLY FAN SHALL BE ENABLED, THE OUTDOOR AIR DAMPER SHALL BE FULLY CLOSED, AND ENABLE HEATING OR COOLING WITHOUT OVERLAP TO
ACHIEVE THE ACTIVE OCCUPIED SPACE TEMPERATURE SETPOINTS. THE BYPASS DAMPER SHALL
REMAIN FULLY CLOSED AND ALL ZONE DAMPERS SHALL REMAIN FULLY OPEN.
ONCE THE BUILDING REACHES OCCUPIED SETPOINTS -OR- IF THE OCCUPANCY OVERRIDE SWITCH IS
ENABLED, THE UNIT SHALL BE INDEXED TO THE OCCUPIED MODE.
4.0 OCCUPIED MODE:
WHENEVER THE BUILDING ENTERS THE OCCUPIED MODE, THE SUPPLY FAN SHALL BE ENABLED, AND
THE OUTDOOR AIR DAMPER SHALL OPEN TO MAINTAIN THE FOLLOWING:
- BASE MINIMUM OUTDOOR AIR VOLUME
THE BYPASS DAMEPR SHALL MODULATE TO MAINTAIN THE DUCT STATIC PRESSURE SETPOINT AND THE
ZONE DAMPERS SHALL OPERATE TO MAINTAIN OCCUPIED SETPOINTS.
4.1 ZONE DAMPER CONTROL:
ON A RISE IN THE ZONE SPACE TEMPERATURE ABOVE THE OCCUPIED COOLING SETPOINT (74°F, ADJ.)
-AND- THE AHU IS INDEXED INTO COOLING MODE, THE ASSOCIATED ZONE DAMPER SHALL FULLY OPEN.
UPON A FALL IN SPACE TEMPERATURE BELOW THE OCCUPIED COOLING SETPOINT, THE ZONE DAMPER
SHALL CLOSE TO MINIMUM POSITION.
ON A FALL IN THE ZONE SPACE TEMPERATURE BELOW ITS OCCUPIED HEATING SETPOINT (68°F, ADJ.)
-AND- THE AHU IS INDEXED INTO HEATING MODE, THE ASSOCIATED ZONE DAMPER SHALL FULLY OPEN.
UPON A RISE IN SPACE TEMPERATURE ABOVE THE OCCUPIED HEATING SETPOINT, THE ZONE DAMPER
SHALL CLOSE TO MINIMUM POSITION.
4.2 AHU MODE OF OPERATION:
AHU MODE OF OPERATION SHALL BE DETERMINED BASED ON THE AMOUNT OF ZONE HEATING AND
COOLING CALLS.
IF A MAJORITY OF THE ZONES ARE CALLING FOR COOLING FOR MORE THAN 5 MINUTES (ADJ.), THE AHU SHALL ENABLE COOLING TO MAINTAIN A SUPPLY AIR TEMPERATURE SETPOINT OF 55°F (ADJ.).
IF A MAJORITY OF THE ZONES ARE CALLING FOR HEATING FOR MORE THAN 5 MINUTES (ADJ.), THE AHU SHALL ENABLE HEATING TO MAINTAIN A SUPPLY AIR TEMPERATURE SETPOINT OF 90°F (ADJ.).
IF A MAJORITY OF THE ZONES ARE SATISFIED, HEATING AND COOLING SHALL BE DISABELD AT THE AHU.
5.0 ADAPTIVE STOP:
THE BAS SHALL EMPLOY AN ADAPTIVE STOP PROGRAM TO REDUCE THE HEATING TEMPERATURE
SETPOINT AND INCREASE THE COOLING TEMPERATURE SETPOINT BY NOT LESS THAN 2°F BEFORE SCHEDULED UNOCCUPIED PERIODS BASED ON THE THERMAL LAG AND ACCEPTABLE DRIFT IN SPACE
TEMPERATURE THAT IS WITHIN COMFORT LIMITS.
6.0 SAFETIES AND ALARMS:
ALL SAFETY DEVICES IDENTIFIED WITH (SAFE) SHALL BE HARDWIRE-INTERLOCKED TO PREVENT UNIT
OPERATION DURING A SAFETY EVENT UNLESS NOTED OTHERWISE.
6.1 REFRIGERANT LEAK DETECTION SYSTEM:
FOR SYSTEMS EQUIPPED WTH A2L REFRIGERANT, THE UNIT SHALL BE PROVIDED WITH A
MANUFACTURER-INSTALLED REFRIGERANT DETECTION SYSTEM THAT IS COMPLIANT WITH UL 60335-2-40.
UPON ACTIVATION OF THE REFRIGERANT DETECTION SYSTEM, THE SUPPLY FAN SHALL BE ENABLED AND INDEXED TO MAXIMUM AIRFLOW. ALL ELECTRIC RESISTANCE HEATERS OR ANY OTHER POTENTIAL IGNITION SOURCES THAT ARE INSTALLED WITHIN THE UNIT OR CONNECTED DUCTWORK SHALL BE DISABLED. MITIGATION ACTIONS SHALL BE INITIATED WITHIN 15 SECONDS OR LESS OF DETECTION AND
MUST CONTINUE FOR AT LEAST 5 MINUTES AFTER THE DETECTOR HAS SENSED A DROP IN
REFRIGERANAT CONCENTRATION BELOW THE SETPOINT VALUE. AN ALARM SHALL BE GENERATED AT
THE BAS FRONT END.
6.2 CONDENSATE OVERFLOW SWITCH:
UPON ACTIVATION OF THE CONDENSATE OVERFLOW SWITCH, THE DX COOLING SHALL BE DISABLED AND AN ALARM SHALL BE GENERATED AT THE BAS FRONT END. UPON DE-ACTIVATION OF THE CONDENSATE OVERFLOW SWITCH, THE DX COOLING SHALL RETURN TO NORMAL OPERATION AND THE GENERATED
ALARM SHALL BE CLEARED.
6.3 SUPPLY FAN FAILURE:
UPON FAILURE OF THE SUPPLY FAN, THE BAS SHALL DISABLE THE UNIT AND AN ALARM SHALL BE
GENERATED AT THE BAS FRONT END.
6.4 SMOKE DETECTOR ACTIVATION:
FOR SYSTEMS REQUIRED TO HAVE DUCT-MOUNTED SMOKE DETECTORS, UPON ACTIVATION OF THE SMOKE DETECTOR, THE SUPPLY FAN SHALL STOP, AND THE OUTDOOR AIR DAMPER SHALL BE FULLY
CLOSED. AN ALARM SHALL BE GENERATED AT THE BAS FRONT END.
6.5 PRESSURE PROTECTION:
UPON ACTIVATION OF A HIGH STATIC PRESSURE CUTOFF SWITCH, THE SUPPLY FAN SHALL STOP, THE OUTDOOR AIR DAMPER SHALL BE FULLY CLOSED, AND THE BYPASS/ZONE DAMPERS SHALL BE FULLY OPEN. AN ALARM SHALL BE GENERATED AT THE FRONT END AND WILL REQUIRE A MANUAL RESET LOCATED AT THE UNIT. FINAL STATIC PRESSURE CUTOFF SETPOINT SHALL BE COORDINATED BETWEEN
TAB AND CONTROLS.
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AI1
AI2
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TS TS
HEATING HOT WATER SYSTEM CONTROL DIAGRAM
NO SCALE
HWS
HWR
B-1
BOILER
CONTROLLER
BOILER CONTROL WIRING
PER MANUFACTURER (TYP.)
DO1
DI1
BAC
1.0 GENERAL:
THE HOT WATER SYSTEM CONSISTS OF…
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