51/04.06.2026

(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 18x{(2.5x2.1x0.90)-(1.66x1.36x0.90)} = 48.47cum 8x[ (1.60x1.60x 0.60 ) - ( 0.785x0.85x0.85x 0.60 )]=9.56cum

(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 )18x{(1.70x1.40x0.15)-(0.785x0.56x0.56x0.15)= 5.72cum 18x1.20x0.75x0.10=1.62cum

(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) 18x[{1.66x1.36x0.70}-{1.20x0.90x0.70}]= 9.88cum

(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 18x[{1.66x1.36x0.90}-{1.20x0.90x0.90}]=19.04cum

(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 =18x2x(1.66+1.36)x0.90= 97.83sqm Internal wall= 18x2x(1.20+0.90)x0.90=68.04sqm

(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) 18x2x0.35x1.10 = 9.24 sqm

(PHE USOR wef First Amendment 16.08.2024 it No29.25.5 Page No.377) Providing & fixing of ISI marked pre cast reinforced cement concrete manhole cover including frame and transporting at site, cost of all material etc. 560 mm dia heavy duty

(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) 18{1.66x1.36x0.15}-{1.20x0.90x0.15}]=3.15cum C.C. for rep. of channels 18X1.20x0.75x0.20 =3.24 cum C.C. around M.H. chamber on top of MH 18X[(1.70X1.40X0.15)-(0.785X0.56²X0.15)]= 5.76cum