MACHINE HOLE CONSTRUCTION AND DWC PIPE LAYING AND HARD ROCK BREAKING IN AMBEDKAR STREET WARD 51 AT WEST TAMBARAM UGSS COVERED AREA AT ZONE-4 AREA IN TAMBARAM CITY MUNCIPAL CORPORATION

Amount

Supply and Delivery of DWC Structured Wall Polyethylene Piping Systems (Pipe with online/offline coupler and elastomeric sealing ring) with required specials non-smooth external annular corrugated and smooth internal surface (Double wall) (SN 8 Class) for non-pressure underground sewerage, drainage application generally as per IS-16098 (Part-2) type B.

200mm Dia DWC Pipes

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame writing "TAMBARAM CITY MUNCIPAL CORPORATION" & work detail/ caution sign,providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites

Construction of manholes at various depth to invert including earth work excavation

1.50m deep

2.00 M DEEP

2.50 M DEEP

Dewatering using 5HP to 10hp diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Cutting road surface

b)non bus route

asphalt

Non-explosive rock blasting,expanding grout using chemical demolition agent for expanding rock with out noise ,vibrationand hazards of conventional explosives for hard rock area to lay dwc pipes from below ground level .this method involves mixing chemical powder with water and pouring it into (using tractor mounted compressor) pre-drilled holes ,where the resulting hydration and crystallization creates immense expansive pressure to break the rock with out noise, including of earth work and disposal of breaking rock debris.

Laying and jointing of 200 mm dia dwc pipes at various depths including earthwork excavation for trenches in hard stiff clay,blackcotton,hard red earth,shales,murams,gravel,stoney earth and earth mixed with small size boulders and hard gravelly soil depositing the earth on banks with intial lead of 10 m and intial lift of 2m carting the pipes from any of the boards stores to the site of work lowering into the trenches ,aligning watering and ramming to consolidation,etc., complete for the pipes of following diameters.( Timbering included for depths 2.50 m, 3.00 m,3.50 m, 4.00 m& 4.50 m)

at 2.00 m deep

at 2.50 m deep

CC 1:3:6 using 40mm jelly for pipe line end concrete and encasing

Providing Wet mix macadam including premixing the material with water at OMC in mechanical mix plant carriage and laying in uniform layers and compacting etc.Complete as per clause 406 of MORT&H specifications

Cement concrete work 1:2:4 using Crushed stone sand (M-sand) and 20 mm gauge hard broken stone jelly for reinforced concrete works excluding centering, shuttering and cost of steel reinforcement but including laying in position, compacting, curing, finishing, etc., complete

Disposal of Surplus earth

Ramasethu Infrastructure Pvt.Ltd (BID ID -1545072)