4120--Equipment, Mobile Chiller, Battle Creek

1. Description.

Purchase 80 Ton Chiller and trailer.

2. Background.

Battle Creek VAMC requires the purchase of Purchase of a new 80 Ton CGAM air cooled chiller with pumping package that will be mounted on a new furnished trailer. The Chiller will be used as a backup chiller source for HVAC systems for various buildings as needed during service issues.

3. Scope.

Purchase new Trane 80 Ton CGAM air cooled chiller with pumping package (Brand Name or Equal) mounted on a mobile trailer. Vendor will mount the chiller on the new tailer.

4. Specific Tasks.

Purchase new Trane 80 Ton CGAM air cooled chiller with pumping package mounted on a trailer. Offers shall supply authorized distributor letters from the manufacturer along with their submission to be considered for award. The following minimum requirements must be met:

(1) 80-ton CGAM air cooled chiller, including:

Air-Cooled Scroll Packaged Chiller

80 nominal tons

60 hertz

460 volt 3 phases

High efficiency/performance

Full factory refrigerant charge (R-454B)

With factory installed freeze protection

Refrigerant isolation valves (discharge valve)

UL listed to US and Canadian safety standard

ASHRAE 90.1 all versions up to 2016

AHRI certified

Factory installed flow switch - set point 60 cm/sec

Std cooling (40 to 65F/4.44 to 18C)

Grooved pipe connection

Factory insulation 0.75"

Wide ambient (0 to 125F/-18 to 52C)

Lanced aluminum fins

Across the line starter/direct on line

Single point connection main line unit power-ancillary items require other power

Circuit breaker

Enclosure type UL 1995 rated for outdoor applications

BACnet interface

External chilled/hot water and demand limit setpoint - 4-20mA

Default A short circuit rating

Elastomeric isolators

With water strainer factory installed

Comprehensive acoustic package

Architectural louvered panels

(2) Integral pumping and piping package including:

Integral Piping Package with:

-Pump: Taco 275 GPM at 150 ft H2O, 20 HP, Water, TEFC, Shaft Grounding Ring, Drip Cap

-Suction Diffuser

-¾ Thread-O-Let on Pump Suction Line with Cap

-1 TR200 VFD 20 HP with 3-Contactor Bypass in NEMA 3R Enclosure

--Non-Fused Disconnect Switch

--Pump Line-Off-Auto Switch

--Hand-Off-Auto Switch with Status Indicator Light

--Door mount VFD Display with Weather Cover

-Lever Operated Grooved Isolation and pump bypass Butterfly Valves

-4 Schedule 40 Grooved/Welded Steel Pipe, Valves, and Fittings

-Connection Pressure and Temperature Gauges

-150 PSI Pressure Relief Valve with Manual Test

-Differential Pressure Gauge Manifolds with 0-160psi Gauge:

--Suction Guide Inlet, Pump Suction, Pump Discharge

--Evaporator Strainer Inlet, Evaporator Inlet/Strainer Outlet, Evaporator Outlet

-Supply and Return Connections:

-4 Victaulic

-Gear Operated Butterfly Valves

-Temperature and Pressure Gauges

-Insulation on hydronic piping

Cam Lock Main Power Connections with Covers

120/60/1 20A Shore Power Connection (controls, & compressor heaters)

-Electrical interlock on HV control panel door

-Back-feed Prevention

-RC Snubber

460x120V 3kVA Transformer to Power Convenience outlet and Evaporator heaters

-Evaporator Heaters Off-Auto Switch with Indicator Light

Extended Vent and Drain Lines to side of unit

Miscellaneous Components

-200 Flex Hose

-2 50 ft & 4 25 ft Sections with grooved ends

-6 4 grooved couplings

-Qty 16 (4 per phase plus ground) - 50 M->F Cam lock 2/0 AWG Power Cables

-2 Storage Boxes for Power Cables and Hoses

-Chiller mounted (bolted) to owner furnished trailer (delivered to Vendor to have chiller installed)

1-year parts warranty (1-year parts warranty is not covered by 12/36 delayed startup protection)

Freight to customer site

Unit tested prior to shipment.

Provide new mobile trailer at correct size and weight to support the chiller. Chiller to be mounted on the trailer for delivery to the VA.

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5. Delivery Schedule.

Offerors shall provide estimated delivery lead times upon submission.