HALDWANI KATHGODAM SEWERAGE SCHEME PART D

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 :- Excavation in soil mixed with morum,shingle,kankar requaring use of specials T&P.

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.

Excavation in in medium rock by chiselling including stacking usefull materials within 50m 0.00 to 1.50m below G.L.

0.00m to 1.50m B.G.L.

1.50m to 3.00m 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.

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 of 150 mm dia

0.00m to 1.50m B.G.L.

1.50m to 3.00m B.G.L.

Providing of all materials, Carting from site store to site of work, Lowering into trenches with true to alignment, Laying & Jointing of full lenght S&S Centrifugally Cast (Spun) Ductile Iron Pipes including supply of 'EPDM' rubber gaskets confirming to IS: 5382-1985 with testing of pipe line complete. D.I. PIPE CONFORMING TO IS : 8329/2000. 150 mm D.I. Pipe S&S K-7 (Existing Canal Crossing)

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

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

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. (upto 5km @ Rs. 2.70/qtl./km)

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.

Shifting of water supply lines and other utility services falls in alignment of sewer line. It also includes the repair and reinstatement of damaged services.

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

100 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

100 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)

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.

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 of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:6 (1 cement : 6 coarse sand)

Centering and shuttering including strutting, propping etc. and removal of form for all heights : For RCC Slab in Drain

Instalation of Product Pipe by Auger Boring method including making of entry and exit pits, all related civil works like excavation, horing/ strutting, etc., shielded excavation through auger boring process, lowering of pipe segments in the jacking pit, laying and jointing of product pipeline through jacking process from the jacking pit and after project completion as per the instructions of the Engineer-in-charge all complete except the cost of the pipe. (upto 80 meter installation length) Upto 300 mm dia (In all type of Soil)

M.R.ENGINEERS AND CONTRACTORS