The City of Yakima (City) Wastewater Treatment Plant uses five Alfa Laval spiral heat exchangers to provide the heat required for biosolids treatment in the primary digesters. One of the heat exchangers has failed and the remaining four are nearing the end of their useful lives. The Wastewater Division is requesting a sole source authorization to purchase a replacement for the failed exchanger in an amount not to exceed $52,981.36 as identified in the attached quote, and subsequent purchases of the four other spiral heat exchangers on an as-needed basis from Alfa Laval, Inc.
As described in the attached Sole Source Justification form and Manufacturer Letter, Alfa Laval, Inc. is the sole manufacturer and provider of spiral heat exchangers that are identical in configuration to the original equipment, limiting replacement exchangers to a single source of supply. Purchase of the heat exchangers from Alfa Laval allows installation by City staff with no changes to the attached infrastructure including plumbing, controllers, and concrete pedestals.
The City followed the requirements of RCW 39.04.280, City Charter and Municipal code in identifying Alfa Laval, Inc. as the sole source for the spiral heat exchangers. The spiral heat exchanger purchases are funded through Wastewater Capital Fund 478.
|