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EXHIBIT D <br />PRELIMINARY ENGINEER'S OPINION OF PROBABLE CONSTRUCTION COSTS- <br />VINEYARDAVENUE CORRIDOR SPECIFIC PLAN AREA <br />WATER S'~ORAGE TANK <br />City of Pleasanton, Calrfomia <br />(Access Road Improvements on Remick Property - Up to Existing Residence) <br />(Incremental costs beyond the 12-foot wide Tank Access Road for 18-foot wide Private Street) <br />ITEM DESCRIPTION <br />Roadw` aylt=ms <br />1 . Clear & Grub <br />2 . Rough Grading <br />3. Import <br />4 . Fine Grading <br />5 , Asphalt Paving (3" AClB" AB) <br />8 . 2' Retaining Wall <br />7 . 3' Retaining Wall <br />g , 4' Retaining Wail <br />g . 8" Sanitary Sewer <br />10 . Sanitary Sewer Manholes <br />11 . Additional roadway design costs <br />12 . Survey staking <br />13 . Geotechnical construction support <br />AMOUNT <br />$2,000 <br />$5,000 <br />$8,000 <br />$2,200 <br />$36,000 <br />$4,000 <br />$15,000 <br />$15,000 <br />$39,000 <br />$39,000 <br />$11,000 <br />$5,000- <br />$5,000 <br />Subtotal Roadway Costs <br />JoirR T~ nch items <br />14 . gddiitonal trenching cost $4,500 <br />000 <br />$9 <br />15 . Additional vaults and splice boxes ' <br /> (Boxes equipped with J-bars to splice <br /> primary and secondary service runs) <br /> <br />16 . <br />Additional conduits (telephone, cable $18,750 <br /> and secondary electrical) ~ 800 <br />17 . PG8E Gas system $25 <br />000 <br />18 . Additional PG&E Contract costs , <br />$5 <br />750 <br />19 Additional Joint Trench DesigMnspection co , <br />. Subtotal Joint Trench Costs <br />$184,200 <br />$69,800 <br />15% Construction Contingency (construction items only) 3$ 0.000 <br />Total Estimated Construction Cost $284,000 <br />Note: Utilities will be stubbed to future lots only. No service laterals will be constructed within future lots. <br />