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File #: 21-0247   
Type: Report to Council Status: Passed
Meeting Body: City Council
On agenda: 6/8/2021
Title: Authorize the Issuance of a Purchase Order to GraniteFuel LLC for a Biogas Dehydration System (F21-004)
Attachments: 1. Bid Summary

Authorize the Issuance of a Purchase Order to GraniteFuel LLC for a Biogas Dehydration System (F21-004)

Authorize the issuance of a Purchase Order in the amount of $324,621.79, including staff training in the amount of $5,000.00 and sales tax in an estimated amount of $26,390.79, to GraniteFuel LLC of Concord, ON Canada, for a Biogas Dehydration System.

Pursuant to Section 2.08.040 (d) of the Sunnyvale Municipal Code, Council approval is required for the procurement of good and/or services greater than $250,000 in any one transaction.

The action being considered does not constitute a "project" within the meaning of the California Environmental Quality Act ("CEQA") pursuant to CEQA Guidelines section 15378(a) as it has no potential for resulting in either a direct physical change in the environment, or a reasonably foreseeable indirect physical change in the environment.

Currently, two Caterpillar generator engines generate most of the electricity used to power the Water Pollution Control Plant (WPCP). These generator engines are primarily fueled by biogas provided by anerobic digesters, landfill gas recovery system and an air blended natural gas system. To ensure these engines operate optimally, the WPCP uses the Power Generator Facility (PGF) to dehumidify the biogas fuel which reduces contamination of the generator engine oil, increases engine life, and consequently reduces the costs derived from the frequency of engine overhauls and loss of power generation downtime. Within the PGF is a biogas dryer which performs the dehumidifying action. The existing biogas dryer was installed in 2007 and needs replacement due to frequent breakdowns causing insufficient biogas fuel drying. Insufficient removal of moisture reduces the methane content in the fuel available to the generators. The moisture in biogas can also combine with other contaminants ...

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