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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. Soft rock with or without blasting or bituminous pavement / cement concrete road. (a) In ordinary or Soft rock with or without blasting or bituminous pavement / cement concrete road. ( PHE USOR wef. 01.09.2023 It. No. 15.7.3 P.No. 258 ) 20x1.60x1.60x0.25 =12.80 3x0.785x2.10x2.10x0.25 = 2.59 Total 15.39

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 ( PHE USOR wef. 01.09.2023 It. No. 15.7.1 P.No. 258 ) 20x{(1.60x1.60x0.60)-(0.785x0.85²x0.60)}= 23.92 3x(0.785X2.10²X2.50)-(0.785X1.35²X2.50) = 15.23 Total=39.15

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 )( PHE USOR wef. 01.09.2023 It. No. 15.15 P.No. 258-259 ) 25x0.785{(1.60+1.20/2)²-(1.20+0.80/2)²} x0.60 = 11.31

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. (ii) in cement mortar 1:4( PHE USOR wef. 01.09.2023 It. No. 15.41.1 P.No. 262 ) 20x0.785x 0.96x1.00 = 15.072

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) With 20mm square bar foot rest ( PHE USOR wef. 01.09.2023 It. No. 29.21.1 P.No. 376 )

12 mm thick cement plaster in single coat finished smooth and curing including cost of form work complete. (i) in cement mortar 1:3 ( PHE USOR wef. 01.09.2023 It. No. 15.46.1 P.No. 263 ) 20x3.14x(1.60+1.20/2)x1.00= 87.92 20x3.14x(1.20+0.80/2)x1.00= 62.80 Total =150.25

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.29.25.5 P.No. 377&P-3 )

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 )

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 c:c road 20x{(1.60x1.60x0.25)-(0.785x0.85²x0.25)}=9.98 + 3x{(0.785x2.10x2.10x0.25)-(0.785x0.96²x0.25)}= 2.05 + for coping (a)20x0.785x(1.20²-0.80²)x0.05= 0.76 (b) 20x0.785x(1.20²-0.85²)x0.15 = 2.28 Total 15.07