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Bid Information

Bid Alert No: 00000466263


Agency Bid No. Title: 16-030

Received Date: 01/21/2016

Close Date: 02/02/2016

Purchase Type: Not Stated

Delivery Point: 8311 Grover Road, Millersville, Maryland, 21108

Delivery Date: Not Stated

Special Notices: Bidder Preregistration, Warranty Required


Specifications include, but are not limited to:The compressor package shall come with a five (5) year manufacture warranty on the compressorblock and a two (2) year bumper to bumper warranty on the balance. The Successful Bidder shallalso provide a one (1) year warranty on installation and workmanship. The compressor packageshall be of an open design, horizontal configuration with all components mounted in a heavy dutystructural steel frame engineered to absorb all stress imposed by operation, portable use, andguard against physical damage. The complete unit shall be factory assembled and tested by theSuccessful Bidder after installation to assure quality and reliability. The Successful Bidder shallprovide documentation of this testing. The following scope of supply shall be incorporatedwithin the confines of the structural steel frame: compressor, diesel engine, purification system,gauge panel and pressure bearing components:3.2.1 The compressor block shall be four (4)-stage, air cooled, oil lubricated of "V"configuration, and rated for continuous duty at 6000 psig with a charging rate of no lessthan 25.5 cfm at a pressure of 6000psig. Compressor systems requiring auxiliarycooling fans or cool down cycles shall not be acceptable. The crankcase shall be of allcast iron construction, fully enclosed and support an iron crankshaft with oversized ballbearings on each end. Only two (2) connecting rods shall be utilized. Each connectingrod shall be equipped with needle bearings on each end for long life. All pistons shall beof the captive design, manufactured of aluminum or steel, and incorporate rings on allstages. Cylinders shall be of aluminum or cast iron construction with deep cooling fins toprovide maximum heat dissipation. The compressor flywheel shall incorporate a highvelocity fan to remove heat from the compressor. Cooling air flow from the fan shall bea minimum of 4000 cfm. Individually mounted intercoolers shall be utilized after eachstage of compression, and the after cooler shall be designed to deliver final air at atemperature not to exceed 20 F above ambient. Suction and delivery valves shall bedesigned in such a manner that they can be replaced without replacing the entireassembly. Valve inspection covers are to be provided on the first and second stagecylinders. Relief valves shall be utilized after each stage of compression. The pressurelubrication system shall include an oil pump to supply metered quantities of lubricantdirectly to the fourth stage piston through a replaceable spin-off type, full flow filter. Theoil pump shall be directly driven off of the crankshaft. Belt driven pumps shall not beacceptable. An oil level sight glass shall be provided for checking the crankcase oillevel. An automatic drain system shall be supplied to periodically discharge accumulatedcondensation during operation and whenever the unit shuts down. The compressormanufacturer shall have an ISO 9001 quality management system standard approval onthe design and manufacture process.

Bid Related Documents

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Product Code: 34007

Agency Information

Issuing Agency: County of Anne Arundel

State: Maryland

Agency Type: State and Local

Contact: Brennita Swan, County Purchasing Division Purchasing Division, 2660 Riva Road, Third Floor, Annapolis, Maryland, 21401

Phone: 410-222-4141

Fax: 410-222-7624




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