163/16.01.2026

(PHE USOR wef 01.09.2023 it No. 15.6.1 Page No. 257) Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be leveled and neatly dressed. All kind of soil 10x{(2.5x2.1x0.90)-(1.66x1.36x0.90)} = 29.14cum 4x[ (1.60x1.60x 0.60 ) - ( 0.785x0.85x0.85x 0.60 ) ] =4.77 cum

(PHE USOR wef 01.09.2023 it No. 15.18.1 Page No. 259) Demolishing cement concrete manually / by mechanical means including disposal of material within 50 m lead as per direction of engineer-in- charge. Nominal concrete 1:3:6 or richer mix ( i/c equivalent design mix ) 10x{(1.70x1.40x0.15)-(0.785x0.56x0.56x0.15)= 3.2cum 10x1.20x0.75x0.10=0.90cum

(PHE USOR wef 01.09.2023 it No. 15.15 Page No. 258) Demolishing Brick work in lime or cement mortar in any mix including stacking of serviceable material and disposal of unserviceable material with in 50 meter lead as per direction of engineer-in-charge. (In cement mortar) 10x[{1.66x1.36x0.50}-{1.20x0.90x0.50}]=5.88 cum

(PHE USOR wef 01.09.2023 it No. 15.40.1 Page No. 262) Brick work with well burnt chimney bricks having crushing strength not less than 25 kg/cm² and water absorption not more than 20 % in foundation & plinth i/c curing etc. complete. iii. In Cement Mortar 1:3 10x[{1.66x1.36x0.90}-{1.20x0.90x0.90}]=10.57cum

(PHE USOR wef 01.09.2023 it No. 15.46.1 Page No. 263) 12mm thick cement plaster in single coat including finishing even, smooth and curing complete. (ii) 1:3(Cement 1: Sand 3) outer wall =10x2x(1.66+1.36)x0.90= 54.36qm Internal wall= 10x2x(1.20+0.90)x0.90=37.80sqm

(PHE USOR wef 01.09.2023 it No.29.21.1 Page No. 376)Replacement of M.S. Foot rests in manhole including dismantling concrete block and fixing with 20x20x10 cm C.C. blocks of 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20mm nominal size)

(PHE USOR wef 01.09.2023 it No. 15.24 Page No. 259) Providing & Fixing of stone slab 30 mm thick in cement mortar 1:6 (1 cement 6 sand) 10x2x0.35x1.10 = 7.70sqm

(PHE USOR wef 01.09.2023 it No. 15.31.1.2 Page No. 260) Providing & laying mechanically mixed cement concrete 20mm nominal size graded crushed stone excluding cost of centering & shuttering. In Plinth & foundation 1:2:4 (M-15) 10{1.66x1.36x0.15}-{1.20x0.90x0.15}]=1.7cum C.C. for rep. of channels 10X1.20x0.75x0.20 =1.80cum C.C. around M.H. chamber on top of MH 10X[(1.70X1.40X0.15)-(0.785X0.56²X0.15)]= 3.2cum

(PHE USOR wef 01.09.2023 it No. 15.12 Page No. 258) 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 we 01.09.2023 it No. 29.27.2 Page No.377) Lifting & Placing of manhole cover during cleaning of chocked sewer line & manhole. 560 mm dia

(PHE USOR we 01.09.2023 it No. 29.31.1 Page 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. (A) Depth upto 1.5 m (i) 100 mm dia

(ii) 150 mm dia

(iii) 200 mm dia

(PHE USOR wef 01.09.2023 it No.29.32.1 Page No. 380) 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) 20X1.20X0.90X0.70 =15.12cum

(PHE USOR wef 01.09.2023 it No.29.32.1.2 Page No. 380) Extra rate for depth 1.5 m to 3m or part 20X1.20X0.90X0.90 =19.44cum

(PHE USOR wef 01.09.2023 it No.29.33 Page No. 380) 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) (A) Depth upto 1.5 mtr. (i) 150 mm dia (25.7.1)

(ii) 200 mm dia (25.7.2)

(PHE USOR wef 01.09.2023 it No 15.2 page no257 )Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

(PHE USOR wef 01.09.2023 it No. 29.22 Page No. 376) Pumping out to remove the sewers blockages 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 wef 01.09.2023 it No.29.18.3 page no 376) Dismantling of manhole including R.C.C./C.C. top slab, I / 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 size 120x90 and 90 cm deep

(PHE USOR wef 01.09.2023 it No.29.19.2 extra for depth of manholes dismantling manhole size 120x90 ,above 90 cm depth

(PHE USOR wef 01.09.2023 it No.29.7.3 page 373 )Constructing Brick Masonry Manhole in Cement Mortar 1 :4 (1 cement : 4 fine sand) R.C.C. top slab 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) inside plastering 12mm thick with cement mortar 1:3 (1cement : 3 fine sand) finished with a floating coat of neat cement and making channels in CC 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) including finishing the channel to shape, curing etc. (Excavationfoot rest and ex nside size 120x90 cm and 90 cm deep manhole including CI cover with frame (medium duty) 560 mm internal diameter total weight of cover and frame to be not less than (58+58) 116 kg.(PHE USOR wef 01.09.2023 it No.29.23 page 376(deduction for ci manhole cover with frame116kg@92 per kg =(116*92)=10672

(PHE USOR we 03.07.2018 it No.29.9.2 Page No. 373) Extra for depth up to 1.00 m for man holes over item 15.2 120x90 cm size manhole over item.

(PHE USOR wef 01.09.2023 it No.29.15Page No. 375) 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.

(PHE USOR wef 01.09.2023 it No.29.14.1 page no 374)7Providing MS foot rests i/c fixing in manhole with 20x20x10cm CC blocks of 1:3:6 (1 cement:3 coarse sand : 6 graded stone aggregate 20mm nominal size )

(PHE USOR First Amendment 16.08.2024 it No.29.35.7 Page No. 383)Carriage of desilted sludge & other material from sewage components by mechanical transport including loading unloading & stacking etc. Distance upto 20 km

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