CONSTRUCTION OF ROAD RESTORATION WORK AND LAYING OF SEWER LINE FOR REMAINING AREA OF INDIRA NAGAR, DEHRADUN

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

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer-in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Taking out existing CC interlocking paver block from footpath / central verge , including removal of rubbish etc.disposal of unserviceable material to the dumping ground for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of engineer in charge.

Excavation of earth depth upto 1.5 mt. Below G.L. for laying of sewer manholes, Gully pits, Chambers, sumps etc. in ordinary soil(earth,sand loam and clay) joints, pits, trimming, dressing, levelling refilling of trenchesincluding cutting of in 20 cm layers,watering and ramming the same including removal of surplus earth or other dismantled material up to a distance of 50 meters from the center of trenches.Excavation in soil mixed with morum,shingle,kankar requaring use of specials T&P.

Depth from 0.0 upto 1.5 m

Depth from 1.5 upto 3.0 m

Depth from 3.0 upto 4.5 m

Provision for barricading in two rows and necessary diversion of paths and where as necessary with the help of bellies, ropes, flags, signals and light signals etc. as per requirement including supply of all material T&P etc complete.

Providing granular bedding with cerefully compacted backfill at all level using graded hard crusher broken stone100% passing through 20mm sieve , 20-50% passing through 10mm sieve and 100% retained on 6mm sieve, laying in layers of not more then 15 cm thick including ramming, watering, compaction etc. complete for pipe bedding and surrounding as per drawing and as directed by the Engineer-in-Charge. Width of bedding ( Outer diameter of pipe + 500mm )

Supply laying and jointing of following dia. R.C.C. NP-3 class (with spigot & Socket (S/S) ends) as per IS: 458-2003 {Amended up to date) with Rubber gaskets at site of work, lowering the same into trenches in depths up to required depth below ground level true to alignment as per drawings and jointing with 1:1 cement mortar in coarse sand including cost of all jointing materials, testing etc. complete as per specifications and as directed by the Engineer-in-Charge.( Pipes of dia 300mm and above have to be NP-3 reinforced made by vertical vibrated casting process with S/S ends conforming to IS 458 : 2003.