Installation of new SS sewer line from RRU to Delay Decay tank RRU at ACTREC

Amount

Demolishing R.C.C. work , tile work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material outside the ACTREC campus as per direction of Engineer - in- charge.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

Piping (under ground) : SITC of SS 304 External Polished & Buffed Pipe Conforming to (ASTM A312), Heavy Class with wrapping coating, inserting in NP3 Hume pipes with required 45 degree elbow and performing for every welded joint and entire pipe length DP test, Holiday Test, Hydro Test, with all materials necessary for the test Upto 150 NB Schedule 10. above 200NB Schedule 40 including fitting, elbows, tees, reducers, painting, support, nuts, bolts, washers, gaskets etc as required with Argon Gas Welding and Welding Electrodes as per tender requirements, Al Pipes shall be despatched with End caps, Anticorrosive wrapping & coating as per IS 1standards 1/3rd overlap with 150mm wide and 4mm THICK TAPE.

200mm dia.

Providing and laying in position ready mixed M20 grade plain cement concrete, with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. from transit mixer to site of laying and curing, including the cost of centering, scaffolding, shuttering and finishing, including cost of curing, admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineerin-charge. (M15 grade at all locations)

Cement Concrete grouting work including providing steel ring for protection of manhole with outer dia of ring more than 650mm and inside filling with cement concrete of grade M25 upto 100mm depth as per the instruction of engineer incharge.

Raising manhole cover and frame slab to required level including removing of cover and precast slab providing brickwork and again laying manhole cover and slab all labour, material to the level of road as per the instruction of engineer incharge.

CHEQUERED TILES: Chequered precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand).

C.I.CHAMBER COVER:- Providing and fixing C.I. chamber cover with or without frame of size weight and numbers as specified including cost of necessary 1:2:4 cement concrete and 1:4 cement mortar for fixing, painting the frame and cover with two coats of approved paint of approved shade etc, complete all as directed by the Engineer-In-Charge (heavy duty) the weight ofthe cover to be Nost less than 108 kg

SITC of rectangular / semi circular ducting complete with supports etc. 3 mm thick lead sheet as per site condition and apporoved drawing and specifications as per the AERB standard of the following thickness, the ducting should be supported over fabricated MS grid of size as per the instruction of engineer incharge.

SITC of SS 304 double flanged Ball /Butterfly Valve PN-16 rating with matching flanges, fittings, nut, bolts & washers, etc. with motorised actuator provision 230V AC, with Manual Operating Wheel Provision when Actuator has malfunctioned. Actuators - Rotork or equivalent

SITC of Cast Steel (may include SS 304 component) Gate Valves with flanged ends with matching companion flages as per API 600, Class 150 , PN 20 rating OS & Y Type Raising Stem type Gate Valve , Maximum Working Pressure 300 psi, Hydrostatic pressure 600psi for Potable Water Service, Refer Datasheet for detailed specifications

Providing and laying integral cement based treatment for water proofing on horizontal surface at all depth below ground level for under ground structures as directed by Engineer-in-Charge and consisting of : (i) Ist layer of 22 mm to 25 mm thick approved and specified rough stone slab over a 25 mm thick base of cement mortar 1:3 (1 cement : 3 coarse sand) mixed with water proofing compound conforming to IS:2645 in the recommended proportion over the leveling course (leveling course to be paid separately). Joints sealed and grouted with cement slurry mixed with water proofing compound. (ii) 2nd layer of 25 mm thick cement mortar 1:3 (1 cement: 3 coarse sand) mixed with water proofing compound in recommended proportions. (iii) Finishing top with stone aggregate of 10 mm to 12 mm nominal size spreading @ 8 cudm/sqm thoroughly embedded in the 2nd layer. Using rough kota stone.

Providing and laying integral cement based treatment for water proofing on the vertical surface by fixing specified stone slab 22 mm to 25 mm thick with cement slurry mixed with water proofing compound conforming to IS:2645 in recommended proportions with a gap of 20 mm (minimum) between stone slabs and the receiving surfaces and filling the gaps with neat cement slurry mixed with water proofing compound and finishing the exterior of stone slab with cement mortar 1:3 (1 cement : 3 coarse sand) 20 mm thick with neat cement punning mixed with water proofing compound in recommended proportion complete at all levels and as directed by Engineer-in-charge : Using rough Kota stone

B G CONSTRUCTIONS (BID ID -3190046)