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31.

Meeting Date:	01/11/2016
Sewer Plant Spiral Screen Change Order No. 1
Submitted for:	Martha Palacios	Submitted By:	Martha Palacios
Department:	Engineering

Subject:

Discussion and possible action to approve Change Order No. 1 in the amount of $18,200.00 to Square E Engineering for the installation and removal of a sewer discharge pipe system to bypass the headwork of the wastewater treatment plant in order to install the newly purchased spiral screen; increasing total project cost from $159,700 to $177,900. [Account #745-3001-8801-7]

Issue: Initial contract specifications projected and ability to shutdown the plant, for an extended period of time no less than 6 hours due to flow conditions approximately one year ago; however conditions at the plant operation necessitates the continued operation during installation of the screen and therefore the following change order was proposed.

Solution: Installation of flow bypass will limit our liability of not being able to treat wastewater and lessen the change of an upset at the Sewer Plant.

Result: Improved level of confidence treatment will continue uninterrupted during the installation of the equipment limiting potential violations and emergency scenarios for our employees.

Background:

Project specifications are to install a new stainless steel spiral screen to replace the inoperative unit currently there that has not been operational for at least 8 years. This project was submitted via formal County Request for Proposals, and two bidders submitted proposals. Square E Engineering was the low bidder. Initial contract specifications projected an ability to shutdown the plant for an extended period of time no less than six (6) hours due to flow conditions approximately one year ago; however conditions at the plant operation necessitates the continued operation during installation of the screen and therefore the following change order was proposed.

Previous Court Action:

None

Fiscal Impact

Budget Account Number:	0
Funding Source:	0
Balance:	0
Financial Impact:
Funding for this original contract was provided under Account: 604-0101-8103