Title
Approval of Change Order for Log Cabin Road Reservoir Project
Recommended Action
Committee Recommendation:
Not referred to a committee.
City Manager Recommendation:
Move to approve Change Order No. 2 in the amount of $89,964 for the Log Cabin Road Reservoir Project and authorize the City Manager to execute the Change Order.
Report
Issue:
Whether to approve Change Order No. 2 for the Log Cabin Road Reservoir Project.
Staff Contact:
Tim Richardson, P.E., Project Manager, Public Works Engineering, 360.753.8749
Presenter(s):
None - Consent Calendar Item.
Background and Analysis:
The construction for the Log Cabin Road Reservoir began in April. After record winter and spring rains, the soil along the access road/pedestrian pathway - about 800 feet of the 2,200 total length - became saturated. As a result, construction equipment could not reach the reservoir site. The City had three options:
1. Wait for the soil to dry out.
This would have delayed construction by at least two months, and there was no guarantee the soils would dry out enough to proceed. The contractor could have filed a claim for delay of the project.
2. Move the access road/pedestrian pathway to another location.
This would have resulted in a major design change as well as delays to construction.
3. Remove the saturated soil and add geotextile fabric and rock.
This would create a firm base for construction equipment and keep the access road/pedestrian pathway on the planned alignment.
The City chose Option 3, to remove the saturated soil and install geotextile fabric and rock. This required a change order, adding cost and working days to the contract.
The Change Order pays for extra effort needed to excavate soft and saturated soil along the access road/pedestrian pathway. The contractor placed geotextile fabric and quarry spalls to provide a solid base for the road. The exact quantity could not be determined prior to work starting, so dirt removal, placement of ge...
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