AgdaPkt 2005-02-28 - Laserfiche WebLink

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~,I,C~2. traffic over the Marine Parkway northbound diagonal on-ramp. The construction of this bridge is the critical path activity, and will take us up to the end of the project. Concurrent with the building of the bridge, the north and southbound off-ramps, which involve surcharging to account for soil settlement, will also be completed. The project is anticipated to be completed by the last quarter of 2005. This project is being built in accordance to Caltrans Standards and Procedures. With such Standards and Procedures, and with such a large project, cost control can be a challenge at times. To date (approximately 216 days into the 400-day project), more than 450 "Requests For Information" have been generated, and our Contract Change Orders (CCO) number more than 110. The majority of the CCO's were issued to cover details that the designers have no way of covering in the Contract Documents, and to cover unforeseen conditions. PG&E was not able to move their facilities out of the project area as first anticipated, therefore, a significant number of CCO's were also issued to pay the Contractor to shift work around in order to keep construction activities moving, and not have the project as a whole, suffer too much schedule slip. Also due to shifting activities around, some quantities were exceeded and CCO's had to be issued to cover the added quantities. A good example of this is erosion control. The designer, who estimates the quantity, could not have anticipated the Contractor to open up so much of the job site during the rainy season, but because we have to shift activities around to accommodate PG&E utility relocation, we were forced to do more erosion control. The total CCO for the reasons stated thus far amount to approximately 9% of.the original bid price ($1.12 million). There are three other major categories of CCO's that were issued to expedite the project, and staff will pursue others to recover these funds: 1. One CCO was a request by the City of Belmont, to increase the size of a storm drainage system to accommodate their local needs. The City of Belmont has agreed to pay for this change, which amounts to about 1 % ($96,788). 2. Several CCO's have also been issued to the Contractor to compensate him for errors in surveying and design. This amounts to another 1 % or about $120,000. Staff will be pursuing collection of "Error and Omission Coverage" from our consulting design engineer. 3. The third factor is the redesign of a portion of the bridge, which should reduce project costs from 3% to 5%. This cannot be accounted into the contract yet, since the Contractor has not signed off on this CCO, and will not likely sign off until the end of the project. The current figure of CCO stands at 10% of the bid price, which is the limit of authorization granted to the City Manager, and staff recognizes that more CCO's will be required to cover future unforeseen conditions. Even with the potential to recover as Page 2 of 3