Government Contract | California
HVAC Chillers

Bid Information

Bid Alert No: 00000476632

Bid Title: HVAC Chillers

Agency Bid No. Title: 2000000991

Received Date: 02/03/2016

Close Date: 02/17/2016

Purchase Type: Not Stated

Delivery Point: Los Angeles Unified School District, Los Angeles, California

Delivery Date: Not Stated

Special Notices: Bidder Preregistration, Warranty Required


Specifications include, but are not limited to:EQUIPMENTA. General:Factory assembled, single-piece or factory-matched duplex chassis, air-cooled liquidchiller. Contained within the unit cabinet shall be all factory wiring, piping, controls,refrigerant charge (R-410A), and special features required prior to field start-up.B. Materials of Construction:1. The base rail is industrial-quality, 7ga, zinc-dipped, galvanized frame (with Magnicoatedscrews).2. Cabinet shall be galvanized steel casing with a baked enamel powder or pre-paintedfinish. 3. Cabinet shall be capable of withstanding 500-hour salt spray test inaccordance with the ASTM (American Society for Testing and Materials) (U.S.A.)B-117 standard. C. Fans:1. Condenser fans shall be direct-driven (VFD [variable frequency drive] controlled,9-blade airfoil cross-section, reinforced polymer construction, shrouded-axial type,and shall be statically and dynamically balanced with inherent corrosion resistance.2. The variable speed drives for the condenser fans on 30RB units with Greenspeedintelligence shall include a DC link reactor.3. Air shall be discharged vertically upward.4. Fans shall be protected by coated steel wire safety guards.D. Compressor/Compressor Assembly:1. Fully hermetic scroll type compressors.2. Direct drive, 3500 rpm (60 Hz), protected by motor temperature sensors, suction gascooled motor.3. External vibration isolation rubber-in-shear.4. Each compressor shall be equipped with crankcase heaters to minimize oil dilution.E. Cooler:1. Shell-and-tube type, direct expansion.2. Tubes shall be internally enhanced seamless-copper type rolled into tube sheets.3. Shall be equipped with Victaulic-type water connections.4. Shell shall be insulated with 3/4-in. (19-mm) PVC foam (closed-cell) with amaximum K factor of 0.28.5. Design shall incorporate a minimum of 2 independent direct-expansion refrigerantcircuits.6. Cooler shall be tested and stamped in accordance with ASME Code for a refrigerantworking side pressure of 445 psig (3068 kPa). Cooler shall have a maximum watersidepressure of 300 psig (2068 kPa).7. Cooler shall be provided with a factory-installed flow switch.

Bid Related Documents

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Bid Related Attachments

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Product Code: 03113

Agency Information

Issuing Agency: Los Angeles Unified School District

State: California

Agency Type: State and Local

Contact: Gerardo Snchez 333 S. Beaudry Ave, Los Angeles, California, 90017

Phone: 213-241-0320

Fax: 213-241-6845




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