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STREET NAME BEGIN LOCATION END LOCATION AREA(SF) STONECLIFF VISTA LANE STERLING GREEN CIR END 26,295 EAST CREEK CT STONECLIFF VISTA LANE END 10,660 EMERGENCY VEHICLE STERLING GREEN CIR EAST CREEK CT 1,840 ACCESS STERLING GREEN CIR STONECLIFF VISTA LANE STONECLIFF VISTA LANE 88,131 OAK BRIDGE PL STERLING GREEN CIR END 13,130 ROCKY CREEK PL STERLING GREEN CIR STERLING GREEN CIR 15,880 KNOLL WOODS CT ROCKY CREEK PL END 9,255 Consultinq Services Material testing was completed on the project in accordance with the City's Quality Assurance Plan. The city's on-call consultant, ENGEO, Inc., was on-site at the request of City staff to collect the hot mix asphalt material for laboratory testing. They also tested the density of the new layer of asphalt concrete to ensure it was properly compacted. The total cost of these services was $9,560. To prevent damage from construction equipment to the trees adjacent to the streets on which work occurred, tree trimming/pruning was needed. The City's on-call tree service contractor, West Coast Arborists, Inc., provided this service for the cost of$17,010. Change Orders The following change orders resulted in a net increase of$145,641 to the construction contract: 1. Change Order No.1 totaled $175,170.11 and consisted of the following: - An adjustment of$16,304.52 to the material cost was made to compensate for the increase in oil cost based on the Oil Price Index. The project's specifications allow for the adjustment in oil used on the project if the Oil Index exceeds 5 percent in cost between the bid date and the month of actual asphalt placement. The Oil Price Index was at a historical low during the bid period in May 2001 but steadily increased during construction. - Roadway repair on Stoneridge Drive and West Las Positas Boulevard for a total amount of$158,865.59 to restore both roadway pavements to serviceable condition. Roadway settlement on both Stoneridge Drive at Arroyo Mocho and West Las Positas Boulevard at Willow Road created severe dips in the pavement where it was beyond the repair capabilities of the city's maintenance crew. - Resurfacing of Independence Drive from Bernal Avenue to Lund Ranch Road was postponed until the 2022 paving program to address concerns from residents about heavy truck traffic associated with the Lund Ranch development. The resurfacing of Paseo Santa Cruz from Corte Ponderosa to Hansen Drive, which was initially programmed for 2022, replaced the Independence Drive work to maintain a similar level of maintenance. The work was performed at contract unit pricing. Page 6 of 7