FROM: Robert Thompson, General Manager
Originator: Kathy Millea, Director of Engineering
SUBJECT:
title
HEADWORKS PHASE 3 CABLE REPLACEMENT AT PLANT NO. 2, PROJECT NO. FR2-0026
end
GENERAL MANAGER'S RECOMMENDATION
recommendation
RECOMMENDATION:
A. Find that Headworks Phase 3 Cable Replacement at Plant No. 2, Project No. FR2-0026, is exempt from CEQA under the Class 1 categorical exemptions set forth in California Code of Regulations Section 15301 and authorize staff to file a Notice of Exemption with the OC Clerk-Recorder;
B. Receive and file Bid Tabulation and Recommendation for Headworks Phase 3 Cable Replacement at Plant No. 2, Project No. FR2-0026;
C. Award a Construction Contract to ACS Engineering Inc. for Headworks Phase 3 Cable Replacement at Plant No. 2, Project No. FR2-0026; for a total amount not to exceed $575,360; and
D. Approve a contingency of $115,072 (20%).
body
BACKGROUND
The Orange County Sanitation District (OC San) headworks provides vital preliminary treatment to all incoming wastewater by removing trash and debris that would otherwise damage downstream treatment equipment. The Plant No. 2 Headworks was constructed in 2012 under Project No. P2-66, Headworks at Plant No. 2.
Electrical cables provide the energy to pumps, fans, augers, meters, and other equipment to make this process function correctly. These cables are routed through underground ducts that are sometimes subject to wet conditions. Any deterioration of the cable insulation can result in short circuit or ground fault conditions, which puts the associated equipment out of service.
RELEVANT STANDARDS
* Comply with California Public Contract Code Section 20103.8, award construction contract to lowest responsive, responsible bidder
* 24/7/365 treatment plant reliability
PROBLEM
Over the past few years, OC San began to discover faulty 480-volt cables in the headworks area and created projects to replace the faulty cables. FR2-002...
Click here for full text