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DURHAM PIT (DMG NO. M-1978-056) <br />FLOOD CONTROL MITIGATION & MINE RECLAMATION <br />OPIINION OF PROBABLE CONSTRUCTION COSTS <br />(LAUNCHED RIP RAP OPTION) <br />PREPARED FOR VARRA COMPANIES <br />ITEM UNIT QUANTITY UNIT AMOUNT <br />. COST <br />RIVER BANK ARMOR EXCAVATION CU. YD. 1,050 $5.00 $5,250.00 <br />FURNISH 12"d50 RIP RAP CU. YD. 800 14.00 11,200.00 <br />INSTALL 12" d50 RIP RAP CU. YD. 800 5.00 4,000.00 <br />FURNISH 18" d50 RIP RAP CU. YD. 300 18.00 5,400.00 <br />INSTALL 18" d50 RIP RAP CU. YD. 300 7.00 2,100.00 <br />FURNISH & INSTALL TYPE 11 BEDDING MATERIAL CU. YD. 150 3.00 450.00 <br />FURNISH & INSTALL FILTER FABRIC SQ. YD. 750 1.50 1,125.00 <br />RIP RAP ARMOR EMBANKMENT CU. YD. 680 6.00 4,080.00 <br />BERM EXCAVATION (STA. 0+00 TO 15+00) CU. YD. 1,500 2.50 3,750.00 <br />CONCRETE WEIR WALL CU. YD. 210 220.00 46,200.00 <br />PIT BANK BACKFILL & COMPACTION CU. YD. 1,500 3.00 4,500.00 <br />BERM SHAPING & GRADING SQ. YD. 5,100 1.50 7,650.00 <br />EROSION CONTROL BLANKET SQ. YD. 5,400 1.80 9,720.00 <br />MUCK EXCAVATION &FOUNDATION BEDDING SQ. YD. 150 22.00 3,300.00 <br />END PROTECTION 18' RIP RAP F & I CU. YD. 700 25.00 17,500.00 <br />PLACE & REMOVE SILT FENCE L. F. 800 1.50 1,200.00 <br />SEEDING & FERTERTILIZING ACRE 3.50 1,200.00 4,200.00 <br />DE- WATERING FOR RIP RAP INSTALLATION L. S. 1 2,500.00 2,500.00 <br />ENGINEERING & QUALITY CONTROL L. S. 1 9,000.00 <br /> TOTAL ESTIMATED CONSTRUCTION COST $143,125.00 <br /> PLUS 10%CONTINGENCIES 14.312.50 <br /> TOTAL ESTIMATED COST $157,312.50 <br /> <br />PREPARED BY: BRUCE F. ERI , <br /> <br /> <br /> <br />'Z