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3 <br /> Project:California Street Overcrossing Project <br /> Change Order No.4 <br /> Change Order Effective Date:August 8,2003 <br /> Exhibit A—Description of Changed Work <br /> A. Items being amended by this Change Order are listed below. <br /> This Change Order is written as an over and under run Change Order. The following bid items listed have <br /> their adjusted quantity amounts shown in the attached change order estimate summary sheets. <br /> Work Order 2923 A <br /> Item# 3- Removal of Structure&Obstruction. Delete percentage of the Lump Sum from the contract. <br /> Item# 4- Sawing Pavement. Add additional linear feet of sawing pavement to the contract. <br /> Item# 6- Removing Cement Concrete Sidewalk. Delete square yards of removing cement concrete <br /> sidewalk from the contract. <br /> Item# 7-Removing Existing Asphalt Concrete Pavement. Add additional square yards of removing <br /> existing asphalt concrete pavement to the contract. <br /> Item# 8-Removing Existing Concrete Curb&Gutter. Delete linear feet of removing existing <br /> concrete curb&gutter from the contract. <br /> Item#12-Remove 16"Ductile Iron Pipe. Delete linear feet of removal of 16"ductile iron pipe from the <br /> contract. <br /> Item#13-Remove 8"Sanitary Sewer Pipe. Delete linear feet of removal of 8"sanitary sewer pipe from <br /> the contract. <br /> Item#16-Roadway Excavation,Including Haul. Delete cubic yards of roadway excavation, including <br /> haul,from the contract. <br /> Item#17-Gravel Borrow,Including Haul. Delete tons of gravel borrow,including haul,from the <br /> contract. <br /> Item#18-Catch Basin,Type A. Add additional catch basins,Type A,to the contract. <br /> Item#19-Catch Basin,Type II,48-Inch Diameter. Delete catch basins,Type II,48-inch diameter,from <br /> the contract. <br /> Item#20-Catch Basin,Type II,54-Inch Diameter. Delete catch basins,Type II,54-inch diameter,from <br /> the contract. • <br /> Item#21 -Storm Sewer Pipe,8-Inch Diameter. Add additional linear feet of storm sewer pipe, 8 inch <br /> diameter,to the contract. • <br /> Item#22-Storm Sewer Pipe,12-Inch Diameter. Delete linear feet of storm sewer pipe, 12-inch <br /> diameter,from the contract. <br /> Item#23-Storm Sewer Pipe,18-Inch Diameter. Add additional linear feet of storm sewer pipe, 18-inch <br /> diameter,from the contract. <br /> Item#24-Manhole Type I,48-Inch Diameter. Delete manholes,Type I,48-inch diameter, from the <br /> contract. <br /> Item#25-Wet Vault No. 1. Delete wet vault No.1 from the contract. <br /> Item#26-Wet Vault No.2. Delete wet vault No.2 from the contract. <br /> Item#27-Structural Excavation Class A,Including Haul. Add additional cubic yards of structural <br /> excavation,including haul,to the contract. <br /> Item#28-Structural Excavation Class B,Including Haul. Add additional cubic yards of structural <br /> excavation Class B,including haul to the contract. <br /> Item#29-Shoring or Extra Excavation Class B. Delete square feet of shoring or extra excavation class <br /> B from the contract. <br /> Item#30-Connection to Drainage Structure. Add additional connection to drainage structure to the <br /> contract. <br /> Item#31 -Cleaning Existing Drainage Structure. Delete lump sum for cleaning existing drainage <br /> structure from the contract. <br /> 7 <br /> Exhibit A <br /> Page 3 of 11 <br />