Confirmatory Survey Design Construction laying jointing of sewer line 0.35 MLD Capacity STP and its appurtenant works including 6 months Trail and Run of complete system and Handing over to maintenance body at District Jail Sudhhowala in Dehradun

Amount

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)

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

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 dia 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 mBGL

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 + 200mm )

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. 200 MM dia

Constructing Brick Masonry Manhole of various dia and depth as per IS :4111 par1( 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 (1 cement : 2 coarse sand : 4 stone aggregate 20mm nominal size) including neat cement finished, suitable connection of inlet & outlet pipes, testing (watertightness} 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

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 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 ol Engineer-in-Charge (the depth of manhole will be measured from the invert of the pipe to top of the manhole cover). 600mm x 600mm x 1.50m depth

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in Cement mortar 1:6 (1 cement : 6 coarse sand)

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 to 20mm G.I, Pipe

25 to 32mm G.I. Pipe

65 mm PVC Pipe

110 mm PVC Pipe

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

Provision for road Reinstatement with plain cement concrete

1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

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

Provision for making of connection of proposed sewer to existing sewer including making of holes in the walls and repairing the same with the new brick work as may be required for proper complete connection including clearing of existing sewer and manhole

baling out of water including supply of all material, labour, T&P, pumps etc. required and disposal of sub soil water at near by nala complete.

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.

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

Cleaning of Manhole Chamber Depth upto 4.50m

PVC Pipe for Sewer Connection form Existing Old Chamber To Newly Laid Sewer

Preparing and consolidation of subgrade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth dressing to camber and consolidating with road roller to achieve 95% of the maximum dry density (proctor density) including making good the undulations etc and re-rolling the sub grade and disposal of earth as directed including the cost of all labours material, tools and plant or any other item require for the completeness of work in all respect with all lead and lift as per specification and as directed by the Engineer-in-Charge.

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth whell roller to achieve the desired density, complete as per Technical Specification clause 401, For Grading 1 Material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405.

Using Grade II Aggregate, 63 mm to 45 mm size,

Using Grade III Aggregate, 53 mm to 22.4 mm size,

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503

20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder roviding, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508 By Manual Means Bitumen (VG-10)

Provinding and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510 Type A Bitumen (VG-10)

Providing and laying semi dense bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5 % of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 508 complete in all respects

for Grading I ( 13 mm nominal size )

Survey,Design Construction, Installation, Testing and Commissioning,with Trial & Run of Sewage Treatment Plant having 0.35 MLD capacity at Distt. Jail Sudhhowala, Dehradun on any suitable technology to treat the incoming sewage upto desired effluent standards as given in the tender document, including site development and boundry wall with gate with protectiction work complete in all respect. The construction period is 9 months and 6 months initial trial and run. The work including Defects Liability period of 12 months after the commissioning and completion of the project. The treated effluent from Sewage Treatment Plant should confirm the following standards. BOD<10 mg/ltr.,COD<50 mg/ltr, TSS<20 mg/ ltr,rest perameter as per bid and accordingly lab equipments / chemicals to be supplied and installed in laboratory at STP.

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 (Diduction item)

1200 mm dia ,1.65-2.30m depths (Diduction item)

1500 mm dia,2.30m-4.95 m depths (Diduction item)

Deduction in the depth of the sewer connecting chamber (SCC) to regulate payments for variation of actual depth of manholes in following sizes. 600mm x 600mm x 1.50m depth

SAKLA NAND LAKHERA

S. M. Construction