2004/05/19 Council Agenda Packet

Project: Change Order no. 11 Change Order Effective Date: Item#10—Sawing Pavement. Original estimated linear feet of sawing pavement were exceeded to complete work on the project. Item#12—Remove Existing Pavement,Type 1,Class B. The original estimated quantities of remove existing pavement,type I class B were not used during construction of the project. Item#15—Remove cement concrete sidewalk. The original estimated quantities of remove cement concrete sidewalk were not used during construction of the project. Item#16—Roadway Excavation Including Haul. The original estimated cubic yards of roadway excavation including haul were significantly exceeded do to the existence of a hog fuel type material along the Snohomish County PUD right-of-way just north of Alta Drive,which required removal to construct the pathway. The decision was made to remove this hog fuel material instead of attempting to bridge over it. This hog fuel would eventually decompose and settle under the weight of Snohomish County PUD crew trucks that travel this pathway to service their utility poles in the PUD right-of-way. The City of Everett and KLB Construction renegotiated the unit price of roadway excavation including haul on those cubic yards above 125%of the original bid quantity. This is new bid item#81. Item#17—Remove Catch Basin. The removal of one additional catch basin during construction on this project was required to complete storm drainage work. Item#18—Gravel Borrow. The original estimated quantities of gravel borrow were not used during construction on this project. Much of the existing material along Commercial Avenue was an existing granular type material. Item#19—Catch Basin,Type A. Additional catch basins were added along Commercial Avenue and Alta Drive to prevent water from ponding in the walkway. Item#20—Adjust Catch Basin to Grade. An additional adjustment of catch basin to grade was required during construction on the project. Item#21—Furnish &Install Solid Lid for Catch Basin. The original estimate of furnish&install solid lid for catch basins were exceeded by two each during work on the project. Item#22-Storm Sewer Pipe,8-Inch Diameter. The plans indicate installation of 204 linear feet of 8- inch diameter storm sewer pipe. The original bid proposal aloud for 67 linear feet of 8-inch diameter storm sewer pipe. Additional linear feet of 8-inch diameter storm sewer pipe were added by the City to convey collected storm sewer water into existing system. The City of Everett and KLB Construction renegotiated the unit price for 8-inch diameter storm sewer pipe for those quantities above 125%of the original bid proposal amount. This is new bid item#78. Item#23—Storm Sewer Pipe,12-Inch Diameter. The plans indicate installation of 654 linear feet of 12- inch diameter storm sewer pipe. The original bid proposal aloud for 19 linear feet of 12-inch diameter storm sewer pipe. The City of Everett and KLB Construction renegotiated the unit price for 12-inch diameter storm sewer pipe for those quantities above 125%of the original bid proposal amount. This is new bid item#79. Item#24—Ductile Iron Storm Sewer Pipe,8-inch Diameter. An additional 35 linear feet of 8-inch diameter ductile iron storm sewer were added by the City of Everett during the project to convey collected storm sewer water into the existing system. Item#25—Connect to Drainage Structure. Three additional connections to existing drainage structures were added at the direction of the City of Everett to complete storm drainage work on the contract. Item#26—Adjust Manhole to Grade. The City of Everett deleted one each adjustment of manhole to grade from the contract. Item#28—Adjust Valve Box to Grade. The City of Everett deleted five each adjustments of valve boxes to grade from the contract. Item#29—Pavement Patch,Asphalt Concrete,Class B. The City of Everett added 43.08 tons of pavement patch,asphalt concrete,class B to complete street pavement patch work on the contract. 3? Exhibit A Page 7 of 10