Confirmatory Survey, Design, Construction and laying of sewer line, testing and commissioning with all appurtenant works for Pathriyapeer, Neelkanth Vihar, Indira Colony, Chukkhuwala and adjoing area sewerage scheme 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.

Water bound macadam/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)

Nominal concrete 1:4:8 or richer mix (i/c equivalent design mix)

Taking out existing CC interlocking paver blocks 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.

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.

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 0.0 upto 1.5 m

Depth from 0.0 upto 1.5 m

Providing and fix open timbering covering 1/3 surface area by planks in trenches upto required depth.Below ground level consisting, of 40mm-50mm thick approved country wood planks for poling board 125mm*75mm India Salwood walers and 100mm día Sal bailies for struts at 1.50m c/c including removal after laying of sewar (both sides of trenches will be taken as one side for the purpose of payments & measurements i.e. face area timbered equals to length x depth of trench). Dismantled timbering materials will be the property of the contractor

0.00 to 3.00 m BGL

Provide & fixing of Close Timbering in trenches for the following depths below ground level consisting of 40mm thick approved country wood planks for poling board, 125mm x 75mm Indian Salwood walers and 100 mm dia Sal wood ballies

Depth up to 3 m below G.L.

3 m to 6 m below G.L.

Providing granular bedding with cerefully compacted backfill at all level using graded hard crusher broken stone 100% 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)

Providing plain cement concrete bedding with 1:2:4 (M-15 grade) with carefully compacted backfill using 20mm and down hard crusher broken stone laying in layers of not more than 15 cm thick including shuttering, compaction, curing, etc., complete for PCC bedding and surrounding as per drawing and as directed by the Engineer-in-Charge. Width of bedding (Outer diameter of pipe + 200mm or 1.25 times of outer diameter whichever is more)

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.

150 mm dia

0 to 1.5 m BGL

200 mm dia

0 to 1.5 m BGL

1.5 to 3.00 m BGL

3.00 to 4.50 m BGL

Supply & Laying - Jointing of following dia. D.I. K-7 S&S pipes with rubber gaskets to the site of work, lowering the same into trenches below ground level true to alignment, making the joints with approved EPDM quality of rubber gaskets including cost of all jointing materials and testing etc. complete but excluding excavation and backfilling of trenches up to ground level.

200 mm dia

0 to 1.5 m BGL

1.5 to 3.00 m BGL

3.00 to 4.50 m BGL

250 mm dia

0 to 1.5 m BGL

1.5 to 3.00 m BGL

300 mm dia

0 to 1.5 m BGL

1.5 to 3.00 m BGL

Constructing Brick Masonry Manhole of various dia and depth as per IS 4111 parl( latest ammendment) in FPS brick class designation M-100 in Cement Mortar 1:5 (1 cement: 5 coarse sand) including nside and outside 15mm thick plastering in cement mortar 1:3(1 cement: 3 coarse sand) finished with a floating coat of neat cement inside only. The work includes excavation, dewatering, planking, strutting etc. refilling. disposal of surplus earth with all lift and lead of 50m, Including construction of concrete base with PCC 1:4:8 (1 cement: 1 coarse sand: 4 stone aggregate 40mm nominal size), preparation of channal up to the height of'the'pipe and benching in PCC 1:2:4

900 mm internal dia at bottom,0.90-1.65 m depths.

1200 mm internal dia at bottom,1.65-2.30 m depths.

1500 mm internal dia at bottom,2.30-4.95 m depths.

Supply of all materials and Constructing Reinforced cement concrete Circular Manhole in M30 Cement concrete of various dia and depth as per drawing. The work includes excavation, dewatering, planking. strutting etc. refilling, disposal of surplus earth with all lift and lead of 50m, Including construction of concrete base with PCC 1:3:6 (1 cement, 3 coarse sand, 6 stone aggregate 40mm nominal size), preparation of channel up to the height of 'the 'pipe and benching in PCC 1:2:4 (1 cement, 2 coarse sand, 4 stone aggregate 20mm nominal size) including neat cement finished, suitable connection of inlet & outlet pipes, testing (water lightness) of manhole, curing etc. complete as per site in charge.

1200 mm internal dia at bottom,1.65-2.30 m depths.

1500 mm internal dia at bottom,2.30-4.95 m depths.

Constructing Brick Masonry sewer connecting chamber (SCC) of various sizes and depth as per drawing in FPS brick class designation M-100 in., Cement Mortar 1:5 (1 cement: 5 coarse sand) including inside and outside 15mm thick plastering in cement mortar 1:3 (1 cement : 3 coarse sand)finished with a floating with a neat cement inside only. The work includes excavation, dewatering, planking, strutting etc, refilling, disposal of surplus earth with all lift and lead of 50m, Including construction of concrete base with PCC 1:4:8 (1 cement: 4 coarse sand: 8 stone aggregate 40mm nominal size), preparation of channal up to the height of the pipe and benching in PCC

600mm*600mm*1.50m depth

Cartage of excavated earth from site to suitable place as per direction of engineer in charge by head load (the work being in narrow lanes) and carrying back for filling of trenchesafter laying and jointing the pipes up.to max distance 60 m one side

Disposal of excavated earth/building rubbish / malba /similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Demolishing stone rubble masonry 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: In cement mortar

Random rubble masonry with hard stone in foundation levelling up with cement concrete 1:6:12 (1 cement: 6 coarse sand: 12 and plinth including graded stone aggregate 20 mm nominal size) upto plinth level with:

Cement mortar 1:6 (1 cement: 6 coarse sand)

Providing and spreading RBM i.e., River Bed Material (treated as granular sub-base /base/surface course material) in uniform layers with motor grader on prepared surface with rotator and compacting with smooth wheeled roller to achieve the desired density.

Shifting of domestic water supply house connection coming in the alignment of sewer line/mahnole chamber including excavation, refilling, supply of all material, pipes, specials etc., labour, T&P and making good complete as per entire satisfaction of engineer in charge.

Up to 63 mm PVC pipe

75 mm to 110 mm PVC pipe

140 mm to 160 mm PVC pipe

Shifting of domestic water supply house connection coming in the alignment of sewer line/mahnole chamber including excavation, refilling, supply of all material, pipes, specials etc., labour, T&P and making good complete as per entire satisfaction of engineer in charge.

15 mm to 20 mm GI pipe

25 mm to 32 mm GI pipe

Repairing of leakage in existing pipe line including Excavation in ordianry soil etc for repair of leakage in mixed with shingle boulders existing pipe line including supply and fixing of necessary specials, fixingof C.I.D/joints

Dewatering of water caused due to seepage of ground water and surface water due to rain etc. excluding excavation of foundation but during execution of civil works including supply of all machine opertor, khalashi, POL, T&P accessories required for proper completion of the work.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering

1:1½:3 (1 Cement: 1½ coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size)

1:3:6 (1 Cement : 3 coarse sand (zone-III) : 6 graded stone aggregate 20 mm nominal size)

Laying of old Interlo

Deduction in the depth of the manhole to regulate payments for variation of actual depth of manholes in following sizes

900 mm internal dia at bottom,0.90-1.65 m depths.

1200 mm internal dia at bottom,1.65-2.30 m depths.

1500 mm internal dia at bottom,2.30-4.95 m depths.

Deduction in the depth of Reinforced cement concrete manhole to regulate payments for variation of actual depth of manholes in following sizes.

1200 mm internal diameter at bottom,1.65m-2.30 m depths (Amount related to this Quantity has to deducted from final amount)

1500 mm internal diameter at bottom,2.30m-4.95 m depths (Amount related to this Quantity has to deducted from final amount)

Deduction in the depth of the sewer connecting chamber (SCC) to regulate payments for variation of actual depth of manholes in following sizes.

600mm*600mm*1.50m depth