Request to Advertise for the Receipt of Bids&Title Sheets - WWTP Digester Gas Utilization - Proj 116-050

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INTER -OFFICE MEMORANDUM DEPARTMENT OF PUBLIC WOIOVF'D Board of Publio Work. DIVISION OF ENVIRONMENTAL SERVICES TO: Members of the Board of Public Works Eric Horvath, Director of Public Works Michael Schmidt, Board of Public Works Attorney FROM: Al Greek, Director of Utilities Jacob M. Klosinski, Assistant City Engineer SUBJECT: Agenda Request Form — Title Sheet and Request to Advertise Project No. 116-050 Wastewater Treatment Plant — Digester Gas Utilization DATE: August 10, 2016 The Division of Utilities is requesting the Board of Public Works approval of the Title Sheet and Request to Advertise for the subject Project No. 116-050 Wastewater Treatment Plant Digester Gas Utilization. Design Engineer, Greeley and Hansen, LLC, has completed the engineering design services for the extension of mechanical piping from the WWTP Digester Gas Cleaning System to the Compressor Building and CNG Fuel Station. The objective of this project is to provide additional energy recovery through the extension of mechanical piping to facilitate the use of cleaned digester gas in the Raw Sewage Pump No. 1 engine at the Compressor Building and to provide piping to the CNG Fuel Station located south of the Maintenance Garage / Solid Waste Building at the Wastewater Treatment Plant Site. The City will continue to recover cleaned digester gas in the boiler for Digester No. 2. In addition, piping at the Compressor Building will also be extended to allow recovery of Digester Gas in the Caterpillar Engine which powers one of the air blowers at the Compressor Building. The Caterpillar Engine is exercised weekly and serves as a back-up to the Electric Blowers at the Compressor Building. The following project schedule will follow upon Board of Public Works approval: Friday, September 2, 2016 Friday, September 9, 2016 Tuesday, September 13, 2016 Tuesday, October 11, 2016 Tuesday, October 25, 2016 November / December 2016 First Advertisement Second Advertisement Pre -Bid Meeting Bid Opening Bid Award Begin Procurement and Construction Activities The funding source for the project is Wastewater, Capital Account (642-0630-415-43-66). If there are any questions regarding the subject project, please contact Al Greek (Ext. 4210) or Jacob M. Klosinski (Ext. 9496) at the Division of Utilities.