Annual Maintenance, Cleaning of water stretch and Main Drain No. 10 under BMC for 2026-27

Excavation of canal/drain in both wet & dry condition by mechanical means in all kinds of soil and disposing the excavated materials to any other specified area by Mechanical means upto 1 Km lead away from work site including loading and unloading with all lifts & delifts, handling, rehandling including all cost of conveyance, taxes, royalties, T&P etc. complete to the work 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 & one lift over the initial lead 50m & lift of 1.5m and dispose the excavated materials to a suitable place by mechanical transport vehicle up to 5Km away from work site including loading and unloading as per direction of Engineer-in-charge.

Supplying all materials labour & T & P with safety protective gears / Kit for clearing of blockage in sewer lines by mechanical means using trally mounted rodding machine with 5 HP deisc! pump to operate the system by insertion of flexible rod of 1.0 1 RM each by jointing one by one up to required length driven by diesel engine to clear the chockage of sewer line & after clearing the chock remove the rod hy one by one ete. complete as per site condition de direction of Engineer- in charge. The cost towards hire chargesmachine, operators POL. Consumable materials, conveyance, cost of safety ptotective gears as per SOP & labour charges ete. (For 350 mm dia & above 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 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