171/23.01.2026

Earth work in excavation for foundation, in building works etc. by mechanical means/ manual means (exceeding 30cm in depth.) including ramming of bottom, dressing of sides disposal of excavated earth including of all lift and lead upto 50m. Disposed earth to be levelled and neatly dressed. All kind of soil ( PHE USOR wef. 01.09.2023 It. No. 15.6.1 P.No. 257 ) 200.00x0.70x1.80= 252.00 10x{(0.785x2.10x2.10x1.80)-(0.785x1.35²x1.80)}=36.56 Total 288.56

Dismantling of old S.W.pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials in to municipal dumps : 100 mm dia ( PHE USOR wef. 01.09.2023 It. No. 29.5.1 P.No. 351 )

Providing and laying mechanically mixed cement concrete with crushed stone aggregate excluding centering and shuttering (with 40mm nominal size graded stone aggregate) (a) In plinth and foundation (ii) 1:2:4 (M-15) ( PHE USOR wef. 01.09.2023 It. No. 15.30.1.4 P.No. 260) for base concrete 200.00x0.70x0.15= 21.00

Providing and laying non-pressure (NP2) RCC socket & spigot pipes with rubber gasket joint including testing of joints. For 300 mm dia RCC ( PHE USOR wef. 01.09.2023 It. No. 28.3.3 P.No. 351 )

Dismantling of manhole including R.C.C./C.C. top slab, CI / pre cast RCC cover with frame including stacking of useful materials near the site and disposal of unserviceable materials into municipal dumps within 50 m lead. Manhole 1.50 m dia circular, and 2.65 m deep ( PHE USOR wef.01-09-2023 It. No. 29.19.5 P.No.377 )

Pumping out to removed the sewers blockage by using suitable pump sets operated by generators , whole assembly mounted on two/four wheels trailer / pickup van. Including diesel & labour charges etc. ( PHE USOR w.e.f.01-09-2023 It. No. 29.22 P.No. 376 )

Constructing Brick Masonry Circular Man Hole 1500 mm internal dia at bottom & 560 mm dia at top in cement Constructing Brick Masonry Circular Man Hole 1500 mm internal dia at bottom & 560 mm dia at top in cement Mortar 1:4 (1 cement: 4 fine sand), inside Cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 fine sand) finished with a floating coat of neat cement, foundation concrete 20 cm thick in 1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) finished with a floating coat of neat cement etc. all complete. For one manhole 2650 mm deep with fixing of 560 mm dia ISI marked reinforcement cement concrete cover & frame heavy duty including transportation etc. in cement concrete 1:2:4 all complete. ( Excavation, foot rests & cement plaster at the external surface shall be paid for separately ) ( PHE USOR wef. 01-09-2023 It. No. 29-10-1 P.No. 373 and Corrigendum no. 1 Dt. 16-08-2024 )

Making connection of drain or sewer line with existing service lines Manhole including breaking into and making good the walls, floors etc. with cement concrete 1 :2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size), cement plastered with CM 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement and making necessary channels etc. complete. For 100 to 200 mm dia pipes. ( PHE USOR w.e.f.01-09-2023 It. No. 29.15.1 P.No. 375 )

For 250 to 300 mm dia pipes ( Item No. 29.15.2 )

Providing MS foot rests i/c fixing in manhole with 20x20x10 cm CC blocks of 1:3:6 (1 cement:3 coarse sand : 6 graded stone aggregate 20mm nominal size ) With 20 mm square bar foot rest ( PHE USOR w.e.f.01-09-2023 It. No. 29.14.1 P.No. 374 )

Filling available excavated earth in trenches, lead up to 50m and lift up to 1.5m in all kind of soil excluding watering and ramming. ( PHE USOR wef. 01.09.2023 It. No. 15.12 P.No. 258)

Lifting & Placing of manhole cover during cleaning of chocked sewer line & manhole. (ii) SFRC 560 mm dia size ( PHE USOR wef. 01.09.2023 It. No. 29.27 P.No. 377)

Making arrangement for dat (plugging of sewer) including all required material such as steel plate, manila rope, gunny bags, earth etc. or by and other plugging device with all required T & P and safety equipment including dewatering. Depth up to 1.5 m (i) 100 mm Dia for connection ( PHE USOR wef. 01.09.2023 It. No. 29.31.1.1 P.No. 195)

( It. No. 29.31.1.3) 200 mm dia sewer line

Cleaning of Silt, sludge brick bats, polythene bags, garbage etc. from chocked sewer manholes / sewer drains & Nallahs/ wet well of SPH/ Anaerobic & Facultative Pond of STP with all required T&P such as bucket, manila rope, and all required safety equipment such as safety belt, gas mask, oxygen cylinder etc. including disposal of silt/ sludge upto 50 mtr lead & 1.5 mtr. lift as directed by Engineer-in-Charge including dewatering but excluding dat (plugging of sewer pipe line) Depth up to 1.50 m ( PHE USOR wef. 01.09.2023 It. No. 29.32.1 P.No.380) 30x0.785x1.20x1.20x0.70= 23.74

Cleaning of Silt, sludge brick bats, polythene bags, garbage etc. from chocked sewer line with all required T&P and Safety equipment such as bucket, manila rope, safety belt, gas mask, oxygen cylinder etc. including disposal of silt, sludge upto 50m lead & lift up to 1.5mtr. as directed by Engineer-in- Charge including dewatering but excluding dat (plugging of sewer pipe line) For 200 mm dia ( PHE USOR wef. 01.09.2023 It. No. 29.33.2 P.No. 380)

Carriage of desilted sludge & other material from sewage components by mechanical transport including loading unloading & stacking etc. Distance 2 Km. ( PHE USOR wef. 01.09.2023 It. No. 29.35.2 P.No. 383 and Corrigendum no. 1 Dt. 16-08-2024 ) Deduct 20 % air voides of

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