Estimate for construction of piped escape structure at RD 116250 of Patti Disty

(6.19) Excavation in Soil (any type) using Hydraulic Excavator CK 90 with hydraulic excavator of 0.9 cum bucket capacity including cutting, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, including all lifts and combined lead upto 30m.

(21.4) Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.

(21.7) Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. (E) RCC Grade M25 ((ii)) With Batching Plant, Transit Mixer and Concrete Pump,including centering ,shuttering.

(21.7) Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications.(B) PCC Grade M20

(21.33) Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and Technical Specifications.

(7B) Providing, Stringing out, cutting, Jointing and testing of ISI Marked D.I. Pipe (S&S) as per IS 8329 and laying the same in trenches to correct alignment and gradients, jointed with rubber tyton joints fitted complete including all cartage, cost of rubber ring. (B) D.I. Pipe as per IS 8329 DI-K9 ((f)) 300mm i/d pipe lines laid complete

(27) Providing & fixing C.I/D.I Flanged end, stem of SS (AIS 1410) and Bronze(gunmetal) working parts Sluice Valves ISI marked 14846-2000, including jointing , testing & cost of Nut ,Bolt & insertion sheet, all carriage complete (with the approval of Engineer in-charge). (A) Class PN-1 as per ISI (f) 300mm i/d Sluice Valves flanged

(31) Proving & fixing ISI Marked Non-return valves flanged end class PN-1.0 as per IS:5312/2004 in pipe lines including jointing & cost of Nut Bolt , rubber insertion etc. complete. Note: If Non-return valves class PN-1.6 is used instead of class PN-1.0 , than 5% will be paid extra. (A) Class PN-1.0 as per ISI with rubber Flap ((g)) 300mm i/d Non-return valve

(22.23) Boulder Apron Laid in Wire Crates (A) Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire confoming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally)including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 18 kg, Including excavation for trimming for prepration of bed Boulder Apron Laid in Wire Crates

(9.2) Centering and shuttering for faces of walls, partitions, retaining walls and the like (vertical or battering including attached pilasters buttresses etc.