A NO. GE/CHM-47/2026-2027 PROVN OF RAIN WATER HARVESTING FACILITY IN BLDG NO P 118, SECTOR D2 AND D3 UNDER AGE B/R I AT CHANDIMANDIR

Excavation over areas, n exc 1.5 m deep and getting out, in any type of soil complete all as specified and directed.

Excavation over areas, exc 1.5m but n exc 3.0 m deep and getting out, in any type of soil complete all as specified and directed.

Excavation over areas, exc 3.0 m but n. exc 4.50m deep and getting out, in any type of soil complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out and getting out in hard and dense soil complete all as specified and directed.

Excavating in trenches, exc 1.5 m and n exc 3.0 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 3.0 m in depth and getting out and getting out in any type of soil complete all as specified and directed.

Plain cement concrete 1:4:8 type D-2 using 40mm graded crushed/broken stone aggregate as in foundation, filling and mass concrete, complete all as specified and directed.

Plain cement concrete 1:2:4 type B-2 using 40mm graded crushed/broken stone aggregate as in surface channels and drains, complete all as specified and directed.

Returning filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm depth , complete all as specified and directed.

Removal of excavated material to distance exceeding 500 metre but n.exc 1.5 Km and depositing where directed at a level not exceeding 1.5 metre above the starting point , complete all as specified and directed.

Moorum /red bajri filling as in sub base for floors or pavings, laid in layers n.exc. 15cm thick, spreading, leveling and ramming including watering complete all as specified and directed.