Title
Body
MEMORANDUM
TO: Board of Supervisors on behalf of CSA 16 Paradise Valley
FROM: Jan Coppinger, Administrator
Scott Harter, Deputy Administrator
DATE: August 28, 2018
SUBJECT: Consideration of Contract Change Orders 1-7 for the Clearlake Oaks Intertie Control Valve Project SD17-03
EXECUTIVE SUMMARY: The Board is being asked to consider for approval Contract Change Orders #1 - #7 for the Clearlake Oaks Intertie project. The changes range from adjusting the location of planned facilities and realigning new facilities to avoid conflicts, to the substitution of parts. Two of the change orders are administrative in nature only and do not result in a change to the contract time or price. The remaining five change orders will result in an increase of $33,814.25 to the original $517,589.07 contract price as well as an addition of 7 days to the contract time.
Detailed memoranda for each change covering the scope of the change, cost & time adjustments, as well as the reasoning for the change are provided as attachments for review. Following is a table with a summary of the contract change orders.
No.
Description
Cost
Days
Requested by|1010|Adjust vault location to facilitate easier crane placement
0.00|10 10|Contractor|1010|Lower water main to fit vault design and correct vertical offset
6,200.00|1010|Owner|1010|Lower dual water mains under AT&T service lines
8,400.00|1010|Contractor|1010|Revise grading adjacent to vault to comply with Caltrans request
0.00|10 10|Contractor|1010|Lower water main to accommodate existing culvert not shown on the plans
9,725.00|1010|Contractor|1010|In lieu of additional work to provide a vault for the altitude valve at Paradise Valley tank site, pour slab and provide pipe supports. Route tank discharge piping to accommodate new valve location and abandon existing conflicting pipe.
7,800.00|10 10|Contractor|1010|Substitute a flow switch which allows for vertical pipe placement for the specified switch which can...
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