NIT No.01/EE(SM)/2026-27

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-incharge : Bituminuos road

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-incharge : Water Bound Macadam

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-incharge.All kinds of soil

Providing, Supplying, Lowering, Laying and Jointing of class SN 8 structured wall Polyethylene Piping system (Pipe with online/offline coupler and elastomeric sealing ring) with non-smooth external annular corrugated and smooth internal surface (double wall) for non -pressure underground sewerage and drainage application as confirm to IS 16098 (part II): 2013. The Jointing of pipe (External Annular Corrugated and Smooth Internal Surface Polyethylene Piping and fitting with the help of coupler(online/ offline) attached with one end of pipes, sliding over the elastomeric sealing rubber ring placed on the specified valley of the corrugation at the spigot end, lowering the same into the trench, laying on the lower bedding (constructed at bottom of trenches) at prescribed gradient, depth and alignment, testing the water tightness of the joints, ensuring the continuity tests of specified pipe segment etc. complete as per drawing, specification and detailed engineering, including all taxes, transportation, frieght charges, inspection charges, loading, unloading, cartage of pipes and fitting from site stacks to the place of laying etc. as per direction of Engineer-in- charge. 250 mm Internal Diameter

Providing & Laying mild steel pipes fabricated/ Manufactured out of Mild Steel plate of steel grade Fe 410 as per IS 3589:2001 or out of HR coils of same/ equivalent grade; internally lined with cement motar conforming to IS : 3589:2001 and having external ouside epoxy coating; complete in all respect; with upto date amendments in relevant IS codes and as directed and entire satisfaction of Engineer-in-Charge. 250mm nominal dia (clear internal dia.) pipe of 5 mm thickness (min.), 6mm internal cement mortar lining and outside epoxy coating.

Constructing brick masonry circular type manhole 0.91 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4 coarse sand), inside cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 mix (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size), and making necessary channel in cement concrete nominal size) finished with a floating coat of neat cement, all complete as per standard design :0.91 m deep with S.F.R.C. cover and frame (heavy duty, HD-20 grade designation) 560 mm internal diameter conforming to I.S. 12592, total weight of cover and frame to be not less than 182 kg., fixed in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (Excavation, foot rests and 12 mm thick cement plaster at the external surface shall be paid for separately)With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Extra depth for circular type manhole 0.91m internal dia (at bottom) beyond 0.91 m to 1.67 m With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 0910, on 12 mm dia steel bar conforming to IS: 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with nimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture’s permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design.

Plugging the total sewerage from Existing sewer line at Manhole to reduce the discharge of sewer line to minimize the wet and foul condition by placing gunny bags filled with earth and stiched properly including supply and laying in position filled up gunny begs in full length of required of manhole as directed by the engineer-in-charge and subsequent removal of the same after completion of the work to the entire satisfaction of the engineer-in-charge. For 100mm to 300mm dia Sewer line.

Pumping out Water/ Sewerage Water by Deploying 5 HP to 7.5 HP Diesel Pump set inculding disposal of sewerage water for (any Lift) in to Municipal Drain (Only running time of Pump in Hours & Minutes will be measured and nothing extra shall be paid) [1 Shift= 08 Hours].