HALDWANI KATHGODAM SEWERAGE SCHEME PART 8 of AMRUT Programme

Amount

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) including cutting of joints, pits, trimming, dressing, levelling refilling of trenches 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 :-

Soil mixed with moorum, shingle & kankar etc. using of any specials, T&P, if required.

0.00m to 1.50m B.G.L.

1.50m to 3.00m B.G.L.

3.00m to 4.50m B.G.L.

Excavation in in medium rock by chiselling including stacking usefull materials within 50m (15% of relevant quantity)

0.00m to 1.50m B.G.L.

1.50m to 3.00m B.G.L.

3.00m to 4.50m B.G.L.

Provide & fix open timbering (covering1/3rd of surface area by planks), in trenches for the depth Below ground level consisting of 40mm thick approved country wood planks for poling board 125mm × 75mm Indian Salwood walers and 100mm dia Sal ballies for strurts at 1.50m c/c 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. 0 to 1.5 mt.

Depth upto 3.00m, below G.L.

Provide & fix close timbering in trenches for the depth Below ground level consisting of 40mm thick approved country wood planks for poling board 125mm × 75mm Indian Salwood walers and 100 mm dia Sal ballies for strurts at 1.50m percent 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 6.00m, Below G.L.

Providing and laying Non Pressure NP-3 class (Medium duty) jointed with stiff mixture of cement mortar in the proportion of1:2 (1 cement : 2 fine sand) including testing of joints etc. complete

150mm dia

0.00m to 1.50m B.G.L.

1.50m to 3.00m B.G.L.

200mm dia

1.50m to 3.00m B.G.L.

3.00m to 4.50m B.G.L.

250mm dia

1.50m to 3.00m B.G.L.

300mm dia

1.50m to 3.00m B.G.L.

3.00m to 4.50m B.G.L.

350mm dia

1.50m to 3.00m B.G.L.

3.00m to 4.50m B.G.L.

Provide all materials, labour, T&P etc. and construct brick masonry circular manhole i/c supply and fixing of foot steps & extra heavy duty manhole covers as per Jal Nigam specifications and drawings.

upto 1.65m B.G.L.

900mm internal dia

upto 3.00m B.G.L.

1200mm internal dia

upto 4.50m B.G.L.

1500mm internal dia

Variation in depth of shaft to regulate the cost of manhole.

upto 1.65m B.G.L.

900mm internal dia

upto 3.00m B.G.L.

1200mm internal dia

upto 4.50m B.G.L.

1500mm internal dia

Provide all materials, labour, T&P etc. and construct brick masonry house connecting chambers as per Jal Nigam specifications and drawings.

0.90 x 0.60 x 1.50m internal size

Variation in depth of shaft to regulate the cost of house connecting chambers.

0.00m to 1.50m B.G.L.

Carting and recarting of excavated earth in the narrow lanes, in which excavated earth is not possible to collect the earth above the trenches.

Disposal of surplus earth upto a distance of 8.0 Km including loading, transporting, unloading to approved dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Providing ,Carting , laying & jointing fixing and testing of G.I screwed pipe with specials in trenches (including cost of jointing materials like white lead, hemp and oil etc.) testing of pipe (Medium quality), including cutting ,threading etc complete

15 mm dia

32 mm dia

40 mm dia

50 mm dia

65 mm dia

80 mm dia

100 mm dia

150 mm dia

Excavation in soil mixed with single, boulders etc. requiring the use of special T&P for pipeline trenches including lift upto 1.5 m and lead upto 30 m, refilling, watring, ramming of excavated earth into the trenches.

Supply and cartage of sluice or reflux valves of following sizes to the site of work, lowering in already prepared trenches and fixing them in position, but excluding jointing which shall be paid sparately, including cost of valves, non resing (P.N. 1.00)

50 mm dia

65 mm dia

80 mm dia

100 mm dia

150 mm dia

Making connection with existing M.S. galvanised mains of upto 25 mm nominal dia, including cutting and threading of pipe, bailing out water, fixing if required, specials and testing etc. complete, but excluding cost of insertiion pipes and specials besides boring out and also subsequent back fill existing main.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 meters lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 meters lead as per direction of Engineer- in-charge. (For RCC Slab in Drain)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement. - 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size). (For RCC Slab in Drain)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete. - Thermo-Mechanically Treated bars. (For RCC Slab in Drain)

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 meters lead as per direction of Engineer-in-charge.

bituminous road

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 wheel roller to achieve the desired density, complete as per Technical Specification.

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.

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 to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification.

Cleaning of the existing WBM surface surface and laying 2 cm thick premix carpet over a tack coat (including cost of Tack coat ) with graded approved grit and bitumen including heating the bitumen to the required temperature and mixing either in mixer or in hand drums, including cartage of materials, maintenance of side patries, and watering them during operation for proper completion of the work including supply of all labour, material, machine, T&P etc, as per PWD Specification and as directed by the engineer-in-charge.With VG-30 grade Bitumen

Tack coat using VG-10 grade bitumen over dry and hungry bituminous surfaces @0.40 kg/sqm

20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder Providing, 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.

Providing 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 Case - I : Type A (Bitumen VG-30)

Providing and laying in position cement concrete of 1:1½:3 (1 Cement: 1½ coarse sand : 3 graded stone aggregate 20 mm nominal size) and finished by floating, brooming with wire brush etc. complete as per specifications and directions of Engineer-incharge. Reinstatement of CC Road.

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete

For pipes 100 to 250 mm diameter

Reinstatement of drains, damaged at the time of laying of sewer lines.

U Type Drain (45 cm X 30 cm)

K.C. Drain

Construction of granular sub-base by providing well graded material, spreading in uniform layers , mixing by mix in place method and compacting the material to achieve the desired density. - Using Gravel mix soil using

0.00m to 1.50m B.G.L.

1.50m to 3.00m B.G.L.

3.00m to 4.50m B.G.L.

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.

Centering and shuttering including strutting, propping etc. and removal of form for all heights :

For Casing of RCC Sewer Pipe (detail measurement attached)

For RCC Slab in Drain

M.R.ENGINEERS AND CONTRACTORS