Annual Maintenance, Cleaning of water stretch and Main Drain No. 2 under BMC for 2026-27

Excavation of drain in both wet & dry condition, loading, unloading by mechanical means in all kinds of soil, including stoney earth, gravel and moorum etc and transportation by mechanical means and unicading the soil with all lifts and delifts Including trimming of slopes and bed to design section and depositing the excavated materials away from work site within initial inad of tkm from the place of excavation as per the specification and direction of the Engineer-in-charge

Earthwork in slushy soil in water (upto 0.6m depth requring aid of pan and vessels) with one extra lead of 50m over the initial lead of 50m and extra lift of 1.50m over initial lift of 1.5m and to dispose off by transport vehicles with in initial lead of 5.00 km away from work site as per direction of Engineer-in-charge

Construction of Coffer Dam for diversion of water by collecting, supplying and stacking at worksite sand from approved quarry and filling the empty cement 3 bags, sewing in strings and placing in proper position at all heights with all labour, T&P charges, cost of strings and labour welfare cess etc.complete as per direction of the Engineer-in-charge.

Supplying all materials labur & T & P with safety protective gears / Kit for cleaning of sewer line by mechanical means using Jetting machine mounted on TATA 710 LPT BS6 vehicle with tank capacity 4000 1tr (Jetting). The Jetting machine can operate through hydro jetting propulsion technic with high pressure of 150 bar/2200 PSI of jet spray of water through aerodynamic nozzle fitted on 3/4" ruber hose is inserted inside the sewer line for clearing of blockage & dragging the hose pipe for bringing the sludges to the machine hole etc complete in all respect as per site condition & direction of the Engineer in charge. The cost towards hire charges machine, operators, POL, Consumable materials, conveyance. cost of safety ptotective gears as per SOP & labour charges etc. (As Per Practical field Observations)charge.

Bio Mining by mannual Labour from excavated or desilted soil from surfaces & upto .3 m depth

Conveyance of excavated soil/silt from stack in dry condition including loading and unloading the earth from the transport vehicles and transport carriage upto 1st 5 km including cost of loading and unloading

supplying fitting, fixing of chain link fencing 8gage specefication over drain wall using ms Angles of size65x65x6mm. Ms flatsof size 35x6mm and chain link with cost conveyance taxes of all material and labour T&P complete asper direction of Engineer in charge

Dismantlling and removing R.C.C. columns, beams, slab, staircase, landing, lintels including stacking the useful materials for re-use and removing the debries within 50mtr lead. (Data for 1 Cum)

C:C: (1:2:4) using 12 mm. size H.G. stone chips including the cost of all materials labour T&P sundries etc complete

Rigid smooth centering and shuttering of R.C.C. foundation, plinth band, footing, base of columns mass concrete, precast slab etc