HomeMy WebLinkAbout04. (Handout) PowerPoint Presentation of Sub 16 Replacement Project4.
HEADWORKS SCREENING
UPGRADE AND SUB 16
SWITCHGEAR REPLACEMENT
January 12, 2016
Engineering and Operations
Committee Meeting
Brad Leidecker, Associate Engineer
Central Contra Costa Sanitary District
Background and Drivers
• Switchgear Installed with Headworks Project, 1993
• Switchgear Feeds Headworks & Influent Pumps
• Switchgear Reliability
— Parts Availability: Short Production Run, Obsolete Parts
— Reconditioning Service: Few Shops Can Service
— Breaker Tests: Several Breakers Failed Testing
— Significant Corrosion of Components
• Sub 16 Switchgear Replacement (DP 7324):
— Remove and Replace the Existing Switchgear including
Modifications to the Existing Building as Required
Sub 16CD Switchgear
Sole -Source Pre -Purchase
• Compatibility with Existing Equipment,
Minimization of Supplies of Spare Parts, Efficiency
of Repair and Maintenance
• Safety, Training and Productivity
• Retrofit Constraints
• Schedule
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Construction Cost Estimate
Contractor Bid AM 000
Construction Subtotal $2400,000
Construction Contingency $200,000
Construction Total $2,300„000
Tentative Schedule
Contractor Bid Opening May 2, 2016
E&O Committee May 10, 2016
Board Meeting May 19, 2016
Contractor Notice to proceed lune 2016'
Switchgear Replacement Construction October 2016
Complete
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