Page 1 of 2 City of Watsonville Public Works and Utilities
Transcription
Page 1 of 2 City of Watsonville Public Works and Utilities
CITY COUNCIL 4.3 City of Watsonville Public Works and Utilities MEMORANDUM DATE: April 22, 2015 TO: Marcela Tavantzis, Interim City Manager FROM: Steve Palmisano, Director of Public Works and Utilities Kevin Silviera, Wastewater Division Manager SUBJECT: Emergency Replacement Purchase in of Two Anaerobic Digester Heat Exchangers, located at the City’s Wastewater Treatment Facility at cost of $101,806 AGENDA ITEM: April 28, 2015 By marcela.tavantzis at 4:45 pm, Apr 22, 2015 By Steve Palmisano at 4:08 pm, Apr 22, 2015 City Council RECOMMENDATION: It is recommended Council adopts a resolution approving an emergency replacement purchase of two anaerobic digester heat exchangers, located at the City’s Wastewater Treatment Facility. DISCUSSION: The Wastewater Division uses heat exchangers that capture the heat generated from cogeneration which produces electricity used at the wastewater treatment facilities. Both of these heat exchangers have been in service since the mid 1980’s and now require replacement. Holes have developed inside the heat exchangers, causing a significant loss of heating efficiency, and the loss of recirculating hot water used to heat the anaerobically digesting sludge. The loss of this equipment would cause significant breakdown in the wastewater treatment process; thus rendering this an emergency purchase. It was not possible to inspect or anticipate a metal failure on the interior of this equipment in order to have properly planned for replacement. This equipment has been ordered as a direct replacement to match the installation piping and foundations that already exists. The vendor is DC Frost Associates, Inc. Cost of this equipment is $101,806, and City staff will remove the existing, and install the new heat exchangers. Section 3-5.07 of the Municipal Code and section 3.2.1 of the City Administrative Rules and Regulations require formal public bids and Council approval for all purchases of equipment which costs more than $50,000. Public bidding may be waived by the Council if staff documents the cause of the emergency and the need to waive the public bidding process. (WMC3-5.07, WAR&R§ 3.2.1) Section 3-5.07 and WAR&R §3.2.1 also permit the Council to Page 1 of 2 4/22/2015 4:07 PM M:\Public Works & Utilities\STAFF REPORTS\2015\04-28-15\Sole Source Replacement\Heat exchanger purchase.doc waive its otherwise required formal bidding process when a commodity can be obtained from only one vendor. Staff believes this purchase does qualify as an emergency and therefore requests the Council waive the formal bidding process. STRATEGIC PLAN: This equipment purchase is consistent with the strategic plan to maintain infrastructure and maintain regulatory compliance. FINANCIAL IMPACT: Sufficient funds are available within the Sewer Enterprise fund for this unbudgeted capital replacement purchase. ALTERNATIVES: None ATTACHMENTS: None cc: City Attorney Page 2 of 2 R. Williams 4/22/2015 4:07:12 PM M:\Public Works & Utilities\STAFF REPORTS\2015\04-28-15\Sole Source Replacement\Heat exchanger purchase.doc