Attachment_A_-_Drawings_(MAPS_HVAC_Upgrade).pdf
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- Solicitation number
- 4517
- Issued by
- Los Angeles County, San Francisco City, California
About this file
This is a technical drawings document for HVAC system upgrades at the Moss Avenue Pumping Station (MAPS) in Santa Monica, California, prepared by the City of Santa Monica Water Resources Division. The project specifies installation of a Model TUHYE0964AN41AN outdoor condensing unit with 96,000 BTU/H cooling capacity and 108,000 BTU/H heating capacity, paired with a Model TPEFYP072MH140A indoor fan coil unit rated for 72,000 BTU/H cooling and 140,000 BTU/H heating. The drawings detail mechanical plans for both ground and upper floors, including refrigerant piping routes, condensate drain configurations, ductwork layout with supply and return air specifications (3,000 CFM supply grille and 2,250 CFM return louver), outside air intake provisions (750 CFM via 16-inch duct), electrical schematics, and equipment placement requirements. The outdoor unit requires a 6-inch elevated equipment pad with 36-inch clearance on all sides and specified inlet protection, while the indoor fan coil unit must be positioned to maintain minimum 1 percent slope for condensate piping without obstruction. A mandatory job walk is scheduled for March 31, 2026, at 10:00 AM; vendor questions are due April 7, 2026, at 3:00 PM Pacific Time with responses posted by April 14, 2026; and sealed bid submissions are due April 21, 2026, at 3:00 PM Pacific Time.
Qualified contractors must hold California C-10 (electrical) and C-20 (HVAC) licenses along with EPA 608 certification for refrigerant handling. Pricing must be submitted as a lump sum for all materials and labor through the City's Online Vendor Portal. The contract value exceeds $25,000, requiring a payment bond equal to 100 percent of the contract proposal amount. Minimum insurance requirements include $1,000,000 Commercial General Liability on an occurrence basis, $1,000,000 Automobile Liability, and Workers' Compensation with $1,000,000 Employers' Liability per accident. All work must comply with the 2022 California Mechanical Code, Building Code, Plumbing Code, and City of Santa Monica ordinances. Prevailing wage requirements apply under California Labor Code sections 1770 et seq., with all workers subject to established prevailing wage schedules and contractors required to register the determination with the Department of Industrial Relations prior to project execution. Payment terms are net thirty days from delivery and receipt of invoice, with the City responsible for applicable taxes and exempt from Federal Excise Tax. No estimated award value or specific budget range is disclosed in the project documents.
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Text version
ELECTRICAL PLAN
UPPER FLOOR
SCALE: N.T.S.
MECHANICAL
Standard Model� TUHYE0964AN41AN
ACCESSORIES
Big Foot Stand� for details see Big Foot Stands submittals Header Kit� for details see Pipe Accessories Submittal Joint Kit� for details see Pipe Accessories Submittal Low Ambient Kit� for details see Low Ambient Kit Submittal Panel Heater Kit� for details see Panel Heater Kit Submittal Snow/Hail Guards Kit� for details see Snow/Hail Guards Kit Submittal
Specifications System Unit Type TUHYE0964AN41AN
Cooling Capacity (Nominal) BTU/H 96,000 Heating Capacity (Nominal) BTU/H 108,000
Guaranteed Operating Range Cooling ºF [ºC] 23~126 [-5.0~52.0] Heating ºF [ºC] -13~60 [-25.0~15.5]
Extended Operating Range Heating ºF [ºC] -27.4~60 [-33.0~15.5]
External Dimensions (H x W x D) In. [mm] 71-5/8 x 48-7/8 x 29-3/16 [1,818 x 1,240 x 740]
Net Weight Lbs. [kg] 657 [298]
External Finish Pre-coated galvanized steel sheet (+powder coating for -BS type) [MUNSELL 3Y 7.8/1.1 or similar]
Electrical Power Requirements Voltage, Phase, Hertz, Power Tolerance 460V, 3-phase, 60 Hz, ±10% Minimum Circuit Ampacity A 20.0 Maximum Overcurrent Protection A 30 Recommended Fuse Size A 20 Recommended Minimum Wire Size AWG [mm] 12 [3.3] SCCR kA 5
Refrigerant Piping Diameter Liquid (High Pressure) In. [mm] 3/8 [9.52] Brazed (Pipe Size Dependent on Piping Length) Gas (Low Pressure) In. [mm] 7/8 [22.2] Brazed
Max. Total Refrigerant Line Length Ft. 3,280 [1,000] Max. Refrigerant Line Length (Between ODU & IDU) Ft. 541 [165] Max. Control Wiring Length Ft. 1,640 [500]
Indoor Unit Connectable Total Capacity 50.0~130.0% of outdoor unit capacity Model/Quantity P04~P96/1.0~24.0
Sound Pressure Levels dB(A) 56.0/58.5 Sound Power Levels dB(A) 75.0/77.5
FAN4
Type x Quantity Propeller fan x 2 Fan Motor Output kW 0.46+0.46 Airflow Rate CFM 6,700
External Static Pressure In. WG Selectable;
0.00, 0.12, 0.24, 0.32, In. WG;
factory set to 0 In. WG
Compressor Operating Range 15.0% to 100.0% Compressor Type x Quantity Inverter scroll hermetic compressor x 1 Refrigerant Type x Original Charge R410A x 21.0 lbs + 9.0 oz [9.8 kg]
Protection Devices High Pressure Protection High pressure sensor, High pressure switch at 4.15 MPa (601 psi) Inverter Circuit (Comp./Fan) Over-current protection
AHRI Ratings (Ducted/Non-ducted)
EER 11.9/12.3
IEER 23.5/26.5
COP 4.04/4.39
CU-2(NEW): TUHYE0964AN41AN
CU-2
PROVIDE EQUIPMENT
PAD 6" ABOVE GRADE
16"Ø OUTSIDE
INLET WITH
GOOSE NECK
AND MESH
SCREEN
GOOSE NECK DETAIL 5
07/21/2025
TO FCU-2 INDOOR
UNIT
GROUND FLOOR
REQUIRED CLEARANCE
FOR CONDENSER
36"
6"6"
12"
EQUIPMENT PAD DETAIL 5
M-1GROUND FLOOR
MECHANICAL PLAN
REFRIGERATION
LINES SHALL BE
RUNNING ALONG SIDE
THE WAL
UPPER FLOOR
SCALE: N.T.S.
MECHANICAL
(EXISTING)
(EXISTING)
Air inletAir outlet
(7/16)(5/8)
5/16)
5/16)
15 10
100(3-15/16)
100x10=1000(3-15/16x10=39-3/8) 50(2)
100(3-15/16)
FCU-2(NEW): TPEFYP072MH140A
36"x14" SUPPLY
AIR DUCT
GENERAL NOTES CONSTRUCTION KEYNOTES
CONTRACTOR TO INSULATE ALL
CONDENSATE PIPING.
ROUTE CONDENSATE PIPING AT MINIMUM
1% SLOPE.
CONTRACTOR TO COORDINATE EQUIPMENT
AND PIPING HEIGHT IN FIELD. ENSURE
CONDENSATE & OVERFLOW PIPING CAN
MAINTAIN MINUMUM SLOPE WITHOUT
OBSTRUCTION OR FALLING BELOW
RESTROOM CEILING HEIGHT. REPORT ANY
DISCREPANCIES TO ARCHTIECT.
ALL DUCT CONSTRUCTION AND SUPPORT
SHALL BE IN CONFORMANCE WITH SMACNA
STANDARDS.
CONTRACTOR SHALL PROVIDE PIPE, DUCT,
EQUIPMENT SUPPORT AND SEISMIC
RESTRAINTS PER SPECIFICATIONS.
CONTRACTOR SHALL VERIFY SIZES AND
FIELD ROUTE REFRIGERANT LINES FROM
CONDENSER TO FAN COIL UNIT.
CONTRACTOR SHALL FIELD VERIFY ALL
EXISTING DIMENTIONS AND CONDITIONS.
1.
2.
3.
4.
5.
6.
7.
CONNECT 3/4"CD WITH TRAP TO
MECHANICAL UNIT. REFER TO MECHANICAL
PLANS FOR EXACT EQUIPMENT LOCATION.
PROVIDE WITH END-OF-LINE CLEANOUT.
CONNECT 3/4"OD TO DRAIN PAN.
ROUTE 3/4"CD DOWN IN WALL TO LAVATORY
TAILPIECE.
3/4"OD TERMINATE DOWN TO 1" BELOW
CEILING WITH ESCUTCHEON. COORDINATE
FINAL LOCATION WITH ARCHITECT.
EXISTING CONDENSATE AND OVERFLOW
DRAIN FROM EXISTING MECHANICAL UNIT
TO REMAIN.
PROVIDE SIDE SHOT SUPPLY GRILLE, 3000
CFM, 900 FPM WITH AIR FLOW VANES TO
DIRECT THE AIR TOWARDS THE HEATED
ELECTRICAL EUIPMENT
PROVIDE RETURN LOUVER, 2250 CFM, 500
FPM.
16"Ø OUTSIDE AIR RISER UP TO THE
GROUND FLOOR, 750 CFM.
FCU-2 16"Ø OUTSIDE
AIR DUCT
GENERAL FEATURES
| • | Single phase |
| • | Dual set point functionality |
| • | DC Motor |
| • | Static Pressure Features |
-- Adjustable up to 1” -- No change in static pressure with voltage change -- Side access control panel
| • | Flexibility in duct configuration |
| • | Choice of fan speed |
GENERAL FEATURES
Joint Adapter (Port Connector)� CMY-R160C-J Drain pump� PAC-KE05DM-F External Heater Adapter� CN24RELAY-KIT-CM3 Filter Box (With 4” MERV 13 filter)� FBH4-4
Capacity* Cooling� 96,000 Btu/h Heating� 108,000 Btu/h
Power Power Source� 208 / 230V, 1-phase, 60 Hz
Power Consumption Cooling� 0.82 kW Heating� 0.82 kW
Current Cooling� 4.89/4.43 A Heating� 4.89/4.43 A Minimum Circuit Ampacity (MCA)� 8.2 A Maximum Overcurrent Protection (MOCP) Fuse� 15 A External Finish� Galvanized-steel Sheet
External Dimensions Inches� 18-9/16 H x 49-1/4 W x 44-1/8 D mm� 470 H x 1,250 W x 1,120D
Net Weight Unit� 221 lbs / 100 kg
Coil Type� Cross Fin � (Aluminum Plate Fin and Copper Tube)
Fan Type x Quantity� Sirocco Fan x 2 Airflow Rate (Low-Mid-High)� 2,048 - 2,507 - 2,966 CFM External Static Pressure� 0.20-0.40-0.60-0.80-1.00 “WG � (External static pressure is factory set to 0.60”WG)
Motor Type� DC Brushless Motor
Refrigerant Piping Dimensions Liquid (High Pressure)� 3/8” / 9.52 mm (Brazed) Gas (Low Pressure)� 7/8” / 22.22 mm (Brazed)
Drainpipe Dimension� O.D. 1-1/4” / 32 mm
Sound Pressure Levels (Low-Mid-High) Low-Mid-High� 39 - 42 - 46 dB(A)
REFRIGERATION LINE SIZE
PER MANUFACTURER
RECOMENDATION
FLEXIBLE
CONNECTION
FLEXIBLE
CONNECTION
RETURN PLENUM
AND FILTER BOX
MV
DUCT HANGER DETAIL
DUCT THROUGH DETAIL PIPING SUPPORT DETAIL
2 3
TO OUTDOOR
UNIT CU-2
CD
OD
3/4"CD
3/4"OD
1%
1%1
CO
01/28/2025
M-2
UPPER FLOOR
MECHANICAL PLAN
OS
OS
a,b
OS
DL
6-30-26
08/08/2025
SINGLE LINE DIAGRAM KEY NOTES:
SINGLE LINE DIAGRAM
SCALE: N.T.S.
SITE PLAN
SCALE: N.T.S.
UPPER FLOOR
SCALE: N.T.S.
PLAN KEY NOTE/S:
TOP FLOOR
SCALE: N.T.S.
PLAN KEY NOTE/S:
| Sheets and Views |
| 240020 - City of Santa Monica Sewer_ELEC-E-2 |
| 240020 - City of Santa Monica Sewer_ELEC-E-3 |
| 240020 - City of Santa Monica Sewer_ELEC-E-4 |
| 240020 - City of Santa Monica Sewer_ELEC-E-5 |
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