Annual Maintenance, Cleaning of water stretch and Main Drain No. 9 under BMC for 2026-27

Excavation of canal/drain in both wet & dry condition ,loading,unloading by mechanical means in all kinds of soill, including stoney earth, gravel and moorum etc and transportation by mechanical means and unloading 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 an initial lead of 5km 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 lift of 1.50m over initial lift of 1.5m and to dispose off by transport vehicles with in initial lead of 5km away from work site as per direction of Engineer-in-charge.

Supplying all materials labour & 1& Pwith sufety protective gears Kit for cleaning of sewer line by mechanical means using Jetting machine mounted on TATA 710 LPT BSo vehicle with tank capacity 4000 Itr (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 acrodynamie nozzle fired on 3/4" mber hose is inserted inside the sewer line for clearing of blockage & dragging the hose pipe for bringing the sludges to the machine hole, ele 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 protective gears as per SOP & labour charges etc. (As Per Practical field Observations) For 350mm & Above dia sewer Line

Construction of Coffer Dam for diversion of water by collecting, supplying and stacking at worksite sand from approved quarry and filling the empty cement 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.

Bio-mining deweeding by mannual labour from excavated or desited soil from surfaces & up to 0.3m depth including trimming of slopes and bed to design section and depositing the seggrated materials away from work directed by the Engincor-in-charge, all complete. per the specification and as directed by the Engineer - in Charge ,all complete.

carriage of biomining material from culvert location to disposal point with in 5km mechanical lead including all loading and unloading charges

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. ( As per A/R 2006 page 44 item No-7.)

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