Details: 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 getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by engineer-in-charge.(dsr 2.6.1) earth work in excavation in hard rock (blasting prohibited) 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 getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by engineer-in-charge.(dsr 2.7.3) providing and laying 1:4:8 (1 cement : 4 coarse sand (zone-iii) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources). (dsr 4.1.8) providing and laying 1:5:10 (1 cement : 5 coarse sand (zone-iii) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) in position cement c
Sector: Transmission