Urgent cleaning and repairing of drainage system in Kolkata bound flank from 2.50 kmp. to 3.50 kmp. (Near Lokenath temple) of Patipukur - Rajarhat Road under Baguihati Highway Sub-Division under Barasat Highway Division No.-I

Cleaning rubbish, sludge, weeds scum, liquid earth, mud etc.etc.from road side masonary drain/ hume pipe drain/ culvert etc. by mathor labour after removing concrete.Slab/manhole cover etc.without damaging the same and refixing the same properly after cleaning as necessary and removing the sludge etc.etc.by using iron pans,buckets including all labour, tools & plants including removing the spoils in dry condition and disposing the same by truck beyond the road side in conformity with municipal/ corporation rules for such disposal including loading into truck and cleaning the road side in all respects as per direction of the Engineerin- Charge. (Payment will be made on the basis of actual stack measurment of spoils in dry condition at roadside)

Supplying & laying Double Wall Corrugated (with external annular corrugation and smooth internal walls) High Density Polyethelene Pipes conforming to IS 16098 (Part-II):2013 having Stiffness Class of SN 8 with Ring Stiffness not less than 8.00 KN/Sqm. and Impact Resistance TIR value not more than 10% including necessary jointing materials for non pressure underground Drainage, Sewerage & Cr

Supplying, fitting and fixing in position reinforced cement polymer concrete manhole /gully pit cover with matching frame.As per I.S-12592(M.D) (viii) 5 MT load bearing capacity gully pit cover with frame and hinge arrangement for opening of size Cover: 470 mm X 420 mm X 80 mm Frame: 590 mm X 550 mm X 170 mm opening: 380mm x 305mm Weight: 100 kg (approx)

Constructing Inspection pit of inside measurement 600mm X 600mm X upto 600mm (depth) with 250 mm thick 1st. class brick work in cement mortar (1:4) on all sides, bottom of the pit consisting of 100 mm thick cement concrete (1:3:6) with stone chips over a layer of jhama brick flat soling, 15 mm thick (1:4) cement plaster to inside walls and out-side walls upto G.L. and 20 mm.thick (1:4) plaster to bottom of the pit, providing necessary invert with cement concrete (1:3:6) with stone chips as per direction, neat cement finishing to entire internal surfaces, top of the pit covered with 100 mm thick R.C.C. slab (1:1.5:3) with stone chips and necessary reinforcements upto 1% and shuttering including 6 mm thick cement plaster (1:4) in all external surfaces of the slab and one 560 mm dia. R.C.C. manhole cover of approved make supplied, fitted and fixed in the slab with necessary fittings, necessary earthwork in excavation in all sorts of soil, filling sides of the pit with earth and removing spoils after work complete in all respect with all costs of labour and materials. i) With Pakur variety. (SAIL/TATA/RINL)

Ordinary Cement concrete (mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (i) Pakur Variety

Supplying and Laying in the particular pattern of cement concrete block pavements with BIS certification and spacer nib of size and shape with aspect ratio as per IS 15658 with cement concrete grade not less than M40 on the prepared base course of specified CBR as mentioned in design and drawing with a cushion of bedding sand of 30 to 50 mm thick (grading of the bedding sand as per clause 6.5.1 of IRC SP-63) and filling up the gaps between two paver block with joint filling sand (the grading of the joint filling sand will be as per clause 6.5.2) complete as per IRC SP - 63 with proper confinement of bedding and joint filling sand, compaction, levelling and filling up of the edge gaps with mortar. Type I, II,III, IV should be as per design requeirment or instruction of E-I-C. b) Type - iv (60 mm thickness) inter locking system

GST @ 18% over Sl. No. 1 to 6

Labour Welfare Cess @ 1% over Sl. No. 1 to 7.10