REORGANIZATION OF SEWER LINE AND APPURTENANTS WORKS AT KALIDAS ROAD AND ADJOINING AREA DEHRADUN

Amount

Excavation of earth upto 1.5 mt. depth below G.L. for laying of Sewer, Man-Holes, Gully Pits, Chambers, Sumps etc. in ordinary soil (earth, sand, loam and clay) including extra excavation below inverts trimming & dressing of sides, levelling and back filling of trenches by excavated earth ,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 and cleaning of site properly after complition of the work

Excavation in soil mixed with moorum, shingle, Kankar.

Provide & fixing of Open Timbering (covering1/3rd of surface area by planks), in trenches for the following depths below ground level consisting of 40mm thick approved country wood planks for poling board, 125mm × 75mm Indian Salwood walers and 100 mm dia Sal wood ballies for struts at 1.50m interval including removal after laying of sewer(both sides of trenches will be taken as one side for the purpose of payments & measurements i.e. area equals to length x depth of trenches. Dismantled timbering materials will be the property of the contractor.

Depth upto 3 m below G.L

Supply & Laying - Jointing of following dia. R.C.C. 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 rubber gaskets and with necessary spun yarn soaked in bitumen jointing with 1:2 cement mortar in coarse sand including cost of all jointing materials and testing etc. complete but excluding excavation and backfilling of trenches upto ground level. (Taking 150mm dia RCC pipe for connecting property to the manhole through SCC, assuming three household to be connected with one SCC, total no of HH are 305, average length of pipe is being taken as 5.0 m for one SCC)

R.C.C. S&S Non Pressure Pipe class Conforming To IS : 458-2003

Class Np3

150 mm dia

200 mm dia

250 mm dia

300 mm dia

Constructing Brick Masonry Manhole of various dia and depth as per IS :4111 par1( latest amendment) 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 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 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 tightness} of manhole, curing etc. complete as per specification and drawing and as per entire satisfaction of Engineer-in-Charge (the depth of manhole will be measured from the invert of the pipe to top of the manhole cover).

900mm internal diameter at bottom,0.90-1.65m depths

1200 mm internal diameter at bottom ,1.65-2.30m depths

1500 mm internal diameter at bottom ,2.30m-4.95 m depths

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

900mm dia ,0.90-1.65m depths

1200 mm dia ,1.65-2.30m depths

1500 mm dia,2.30m-4.95 mm depths

Constructing Brick Masonry house sewer connecting chamber as per drawing in FPS brick 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 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 ,curing etc. complete as per specification and drawing and as per entire satisfaction Engineer-in-Charge (the depth of manhole will be measured from the invert of the pipe to top of the manhole cover).

0.60 x 0.60 x 1.50 m depth

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

0.60 x 0.60 x 1.50 m depth

Cutting road surface for sewer line trenches. Including stacking of serviceable material (i.e. stone ballast that will be reused in the laying of WBM) at site and disposal of unserviceable material to suitable disposal point beyond municipal limit as directed by Engineer in charge

Cutting Bituminous Portion

Water bound macadam

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 designmix)

Reinstatement of cement concrete pavement and making good condition by providing cement concrete including form work, compaction & curing, etc., complete as per specifications and as directed by the Engineer-in-Charge.

1:2:4 (1 cement : 2 coarse sand: 4 stone aggregate) cement concrete.

1:3:6 (1 cement : 2 coarse sand: 4 stone aggregate) cement concrete.

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 )

Shifting of domestic water supply house connection coming in the alignment of sewer line/manhole 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 to 20mm G.I, Pipe

25 to 32mm G.I. Pipe

Upto 63mm PVC Pipe

75mm to 110mm PVC Pipe

140mm to 160mm PVC Pipe

Provision for crossing sewers through existing drains coming across the alignment of sewer including making it good after laying the pipe.

Dewatering for carriage sewage from upstream manhole to down stream manhole (with pump capacity 4000 lit per Hr.) including wages of operator and fuel including supply of all material, labour and T&P etc. required for proper completion of the work.

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

Brick work with common burnt clay F.P.S. (non modular) bricks :for repair work.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work up to plinth level : for repair work

RCC 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

Reinforcement for RCC work including straightening, cutting, Bending, Placing in position and binding all complete.

Reinforcement for RCC work using thermo-mechanically treated bars.

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.

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 trenches after laying and jointing the pipes up.to max distance 60 m one side

Disposal of surplus earth from the site of work upto a distance of 8.0 km. As directed by Engineer incharge including loading unloading and carting etc. all complete.

Repairing/rainstatement of leakage/broken of 100mm to 150mm dia PVC exsting domestic house sewer connection including cutting of pipe bailing out water from trenches fixing joints & also excavtion of earth including supply of all materials, labour T&P etc. required for proper complition of work at the time of excavtion.

Cleaning of manhole chamber upto depth of 1.50 mtr by lifiting of sullage mud, garbage bajri etc & disposal by hand thela upto 1.0 km.

Cleaning of manhole chamber upto depth of 3.00 mtr by lifiting of sullage mud, garbage bajri etc & disposal by hand thela upto 1.0 km.

Cleaning of sewer line with machine for dia 150mm to 300mm upto 1/3rd chocked.

Cartage of earth dismantled pipe piece mixed with sludge etc in full condition manually from site of work to road site at a dist of 300 m. (the line is totally chowecked by sludge grit garbage etc and can not be use in refilling of trenches.)

Dismentling of RCC Pipe including excavation and refilling of trenches after taking out the pipes manually/by mechanical means and stacking the pipes within 50 metres lead as per direction of Engineer-in-charge.

150 mm dia

Above 150 mm dia

Dismentling of Existing Manhole Chamber of various sizes including CI grating with frame including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead including refilling the excavated gap.

M/S PROGRESSIVE CONSTRUCTION CO

M.R.ENGINEERS AND CONTRACTORS

M/s Naresh Singhals And Co

SAKLA NAND LAKHERA

Ms Ankita Construction

M/S Ashok kumar Jain

S. M. Construction

M/S SATISH KUMAR & CO.