Specifications_PS9_DX_Cooling_Unit.pdf

MWW Specification # 2613

Public Works - Water 4100 Marshall St. NE

Minneapolis, MN 55421

TEL 612.661.4900

If a Purchase Order is issued to your company, submit Shop Drawings and O&M Manuals to the Project Manager before fabrication. Do not execute order until the review documents have been approved by the Project Manager

Price shall include shipping. Delivery Address:

Water Maintenance Facility 4100 Marshall St. NE Minneapolis, MN 55421-2500

Schedule:

• Equipment shall be delivered no longer than 35 weeks from contract award date.

Installation:

• Installation shall be performed by Minneapolis Water staff.

Non-Exclusive Any contract(s) resulting from this Request for Bid will not be an exclusive contract and the City reserves the right to hire other contractors, to perform similar work, and seek bids from other vendors.

Rights of the City The City reserves the right to reject all or any part of any bid, waive informalities, and award the contract to the lowest responsive and responsible contractors to best serve the interest of the City. Informality shall mean a minor defect or variation of a bid from the exact requirements of the Request for Bid which does not affect the price, quality, quantity, or delivery schedule for the goods, services or construction being procured.

Quantities The quantities specified in this Contract are estimated only. They may not indicate the actual quantity which will be ordered, since such volume will depend upon requirements which develop during the Contract period.

Quantities shown shall not be construed to represent any amount which the City shall be obligated to purchase under the Contract or relieve the Contractor of its obligation to fill all orders placed by the City.

Invoice and Payment All work requested under this Contract shall be placed on a City issued Purchase Order.

Contractor shall make all reasonable efforts to submit invoices and documentation in an electronic format, such as PDF or other format compatible with City software capabilities, in lieu of paper invoices and documentation, when so requested by City.

Upon delivery and acceptance of the service, the Contractor shall submit an invoice detailing the appropriate charges.

Invoices shall be submitted to:

City of Minneapolis 505 Fourth Ave S, Room 310 Minneapolis, MN 55415 Email: submitinvoices@minneapolismn.gov

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Upon receipt of invoice and final inspection and acceptance of the service, the City will render payment within thirty (30) days unless any items thereon are questioned, in which event payment will be withheld pending verification of the amount claimed and the validity of the claim. The Contractor shall provide complete cooperation during any such investigation.

The City will not pre-pay for service. All bills shall state the location and dates of service being billed. All fees, taxes, charges, surcharges, and revenue payments are to be itemized.

No payment will be made for material stored off-site except in situations where payments may be considered by the City for materials which are stored in a secured area, to be verified by the City and where the Contractor maintains adequate insurance coverage protecting specific materials from loss.

Proof of insurance shall be supplied prior to payment for any materials stored off-site.

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SECTION 23 81 26 – PACKAGED SPLIT SYSTEM AIR CONDITIONERS

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes a split-system air-conditioning and heat-pump units consisting of separate evaporator-fan and compressor-condenser components.

B. Unit shall not be required to provide heating, units with heating element may be accepted.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product indicated. Include rated capacities, operating characteristics, and furnished specialties and accessories. Include performance data in terms of capacities, outlet velocities, static pressures, sound power characteristics, motor requirements, and electrical characteristics.

B. Shop Drawings: Include plans, elevations, sections, details, and attachments to other work.

1. Detail equipment assemblies and indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection.

2. Wiring Diagrams: For power, signal, and control wiring.

1.4 INFORMATIONAL SUBMITTALS

A. Field quality-control reports.

B. Warranty: Sample of special warranty.

1.5 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For split-system air-conditioning units to include emergency, operation, and maintenance manuals.

1.6 MAINTENANCE MATERIAL SUBMITTALS

A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Filters: One set(s) for each air-handling unit.

2. Gaskets: One set(s) for each access door.

3. Fan Belts: One set(s) for each belt type

1.7 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

1.8 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of split-system air-conditioning units that fail in materials or workmanship within specified warranty period.

1. Warranty Period:

a. For Compressor: One year(s) from date of Substantial Completion.

b. For Parts: One year(s) from date of delivery

c. For Labor: One year(s) from date of delivery

PART 2 - PRODUCTS

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2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Bard Manufacturing Company

2. Approved equal. Please submit your substitutions to the Buyer in writing at taylor.lee@minneapolismn.gov by the questions due date listed on the Call for Bids.

2.2 EXTERIOR WALL MOUNT UNIT

A. Cooling Capacity

1. Minimum 120,000 BTUH cooling capacity.

B. Air-Cooled, Compressor-Condenser Components

1. Casing: Steel, finished with baked enamel, with removable panels for access to controls, weep holes for water drainage, and mounting holes in base. Integral insulation.

2. Compressors: Hermetically sealed with crankcase heater and mounted on vibration isolation device. Compressor motors shall have thermal- and current-sensitive overload devices, start capacitor, relay, and contactor.

a. Compressor Type: Scroll.

b. Refrigerant: R-454B

c. Refrigerant Coil: Copper tube, with mechanically bonded aluminum fins.

3. Heat-Pump Components: Reversing valve and low-temperature-air cutoff thermostat.

4. Fans: Aluminum-propeller type, directly connected to motor.

5. Motors: Multi-speed electronically commutated motors. Permanently lubricated, with integral thermal-overload protection.

B. Economizer

1. Integral, factory installed economizer for free cooling with outside air.

2. Electrically actuated dampers on outside air intakes.

C. Power

1. 460V 3 phase 60Hz power connection

D. Filters

1. MERV 8 replaceable filters

E. Controls mailto:taylor.lee@minneapolismn.gov

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1. Programmable logic controller for stand-alone unit control.

2. Integrated temperature and humidity sensing.

3. Local alarming

2.2 ACCESSORIES

A. Grilles – All required grilles for supply and return air penetrations.

B. Servicing tools kit