Laying of Sewer Network and House Connection work in 18 Problematic Wards (2 Wards Namely- Prahlad Ghat and Kritiwasheshwar out of 18 Problematic Wards) of Nagar Nigam Varanasi under Amrut 2.0 Programme

Civil Work

Sewer Network

Execavation

Excavation for following depth below G.L. for laying of sewers in ordinary soil earth, sand, loam and clay including cutting of jointing pits, trimming dressing leveling refilling of trenches in 20cm layers watering and ramming the same including removal of surplus earth or other dismantled materials up to distance 50m from the centre of trenches.

TIMBERING

Providing and fix open timbering (covering 1/3rd) of surface area by planks in trenches for the following depth below G.L. Consisting of 40 mm approved country wood planks for poling boards 125mm x 75mm Indian Sal wood walers and 100 mm dia. Sal ballies for shuttering at 1.5m c/c including removal after laying. Both sides will be taken as one side for the purpose of payment and measurements i.e. area equals to length x depth of trenches and dismantled timbering materials will be the property of the contractor.

Providing and fix close timbering in the trenches for the following depth below G.L. consisting of 40 mm approved country wood planks for poling broads 125 mm x 75 mm Indian Sal wood walers and 100 mm dia. Sal bellies for truing the shuttering at 1.5 M c/c/ including removal after laying of sewers. Both side of trenches will be taken as one side for the purpose of payment and measurement i.e. area equals to length x depth of trenches. Dismantled timbering materials will be the property of the contractor.

Supply of following sizes of RCC NP3/NP4 S&S rubber rings joints pipe & rubber ring from factory to site of work including transportations loading, unloading, stacking all taxes excise duty transit insurance etc. complete.

200 mm dia pipe

250 mm dia pipe

300 mm dia pipe

350 mm dia pipe

400 mm dia pipe

450 mm dia pipe

500 mm dia pipe

600 mm dia pipe

700 mm dia pipe

800 mm dia pipe

200 mm dia pipe

250 mm dia pipe

300 mm dia pipe

350 mm dia pipe

400 mm dia pipe

450 mm dia pipe

500 mm dia pipe

600 mm dia pipe

700 mm dia pipe

800 mm dia pipe

Laying of Sewer Network

Carting of following sizes of RCC NP3/NP4 S&S rubber rings joints pipe & rubber ring from factory to site of work, lowering gasket the same into trenches and laying true to the alignment and gradient including excavation of earth below invert level of pipes cost of all jointing materials, testing etc. complete. also including transportations loading, unloading, stacking all taxes excise duty transit insurance etc. complete.

NP3/NP4 200 mm dia pipe

NP3/NP4 250 mm dia pipe

NP3/NP4 300 mm dia pipe

NP3/NP4 350 mm dia pipe

NP3/NP4 400 mm dia pipe

NP3/NP4 450 mm dia pipe

NP3/NP4 500 mm dia pipe

NP3/NP4 600 mm dia pipe

NP3/NP4 700 mm dia pipe

NP3/NP4 800 mm dia pipe

Bedding

Cement concrete work in bedding below G.L. at specified depth with cement, coarse sand and 20 mm gauge approved stone ballast (1:2:4) including supply of all materials, labour, T&P etc. required for the proper completion of work.

Lean Cement concrete work in bedding below G.L. at specified depth with cement, coarse sand and 20 mm gauge approved stone ballast (1:4:8) including supply of all materials, labour, T&P etc. required for the proper completion of work.

Well graded crushed rock/ gravel max size 25mm including supply of all materials, labour, T&P etc. into the trenches for bedding of DWC/RCC Pipes including watering compaction, labour T&P etc. for completion of work.

Construction of circular type brick masonary/RCC manhole (with Extra Heavy Duty type manhole cover) with top slab made of cement concrete 1:1.5:3 with graded granite stone aggregate (12 mm nominal size), foundation concrete 1:4:8 graded stone aggregate other than granite 40mm nominal size, wall made of brick masonry using 1st class bricks having crushing strength between 100 to 149 kg/cm² in cement mortar 1:4 inside plastering 12 mm thick 1:3 finished smooth with neat cement, pinning, outside plaster 1:4 and making channels with cement concrete 1:2:4 graded granite stone aggregate (12 mm nominal size) complete as per specifications.

900mm internal dia., 1.65m deep

1200mm internal dia., 2.30m deep

1500mm internal dia., 4.95m deep

1500mm internal dia., 9.0 m deep

Same as item no 112 for Regulation of Shafts plus/minus from the above mentioned depth

900mm internal dia., 1.65m deep

1200mm internal dia., 2.30m deep

1500mm internal dia., 4.95m deep

1500mm internal dia., 9.0 m deep

Dismantling/Cutting of the following type of road for laying sewers, manholes, sewer connection chambers etc. including shorting out and stacking serviceable materials and disposal of unserviceable materials upto distance of 50 m.

Bituminous road

Concrete road

Interlocking tile road

B.O.E road

Permanent re-instatement of the following ty pe of road surface after laying of sewer line including supply of all materials, labour, T&P etc. required for completion of work. it also includes necessary excavation required for preparation of trench for reinstatement of road, disposal of surplus unserviceable material, watering, ramming, cleaning surface for proper completion of the work as per directions of Engineer ‐in ‐charge.

Bituminous road (PWD) -(20cm sand, 40cm GSB, 30cm WMM, 5 cm to 8 cm DBM, 3cm to 4 cm B.C.) payment made up to WMM- 50%, DBM- 30% and BC with testing in NABL approved lab/PWD- 20%

Bituminous road (Nagar Nigam) (20cm sand, 20cm GSB, 20cm WMM, 5 cm to 8 cm DBM, 3cm to 4 cm B.C.) payment made upto WMM- 50%, DBM- 30% and BC with testing in NABL aprooved lab/PWD- 20%

C.C. Road in M25 grade, minimum thickness 15cm on 20cm th. sand & 15 .cm th. PCC (M15) filling base & 10 cm GSB

Interlocking Road (existing usable Interlocking bricks M-30 grade, on 20cm local sand & 10cm TH. PCC 1:6:12). Incl. Entire surface Spreading 3 cm local sand for paste of brick & joint filling

BOE Road (15 Cm. sand with first class brick 50% New and 50% Old)

Supply of MS pipe (As per IS:3589 made from steel confirming to IS:2062), with anti corrosive treatment with P.U. coating and Installation of product pipe by HDD method including preparing and setting up the plants and equipement, preparing new pipe work material, installation new pipe-work and commissioning system or making the system ready for commissioning by HDD operation including, all related civil and mechanical works like excavation, shoring/strutting, etc. drilling, stringing, reaming, and pulling back the new pip-work on the designed bore path alignment, proper disposal of drilling fluid, and back fill of site after completion all inclusive as per IndSTT:101:2018: Code of prectice of HDD Technique Suiting Indian Conditions.

200 mm dia pipe, 6mm Pipe Wall Thickness

250 mm dia pipe, 6mm Pipe Wall Thickness

300 mm dia pipe, 6mm Pipe Wall Thickness

350 mm dia pipe, 6mm Pipe Wall Thickness

400 mm dia pipe, 6mm Pipe Wall Thickness

450mm dia pipe, 8mm Pipe Wall Thickness

Provision for laying of sewer by Trenchless Technology including Supply of different size of MS Pipe, Labour T&P etc. required for Proper Completion of the Work.

500 mm (with 12 mm thick M.S. pipe cost)

600 mm (with 12 mm thick M.S. pipe cost)

700 mm (with 12 mm thick M.S. pipe cost)

800 mm (with 12 mm thick M.S. pipe cost)

Providing and erecting temporary barricading at site as per drawing/ direction of Engineer-in-Charge which includes hiring of Eucalyptus Ballies and arrangement for traffic diversion such as traffic signals during construction at site as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipments and works required to execute the job. The barricading shall not be removed without prior approval of Engineer-in-Charge. (Note :- One time payment shall be made for providing barricading from start of work till completion of work i/c shifting. The barricading provided shall remain to be the property of the contractor on completion of the work). The rate is for unit length of pipe laying.

Disposal of Surplus Earth, Dismantled material and Garbage etc. By Mechanical Transport including loading, unloading and stacking (Lead up to 12 Km away from the site as per instruction of Engineer In charge)

Diversion of Existing Sewer line during laying of New Sewer includding Supply of 7.1 mm thick MS pipe size 200 mm dia and as per requirement of site condition including cost of ms pipe ms bend flange nut volt rubber packing also including hiring of DG set welding machine and gas cutter all labour material etc complete 10% of Total Length and re- use of pipe

Dewatering work during laying of pipe line and construction of manhole

Dismantling of existing old sewer pipe with supply of all labour T&P etc Complete also Disposal By Mechanical Transport including loading, unloading and stacking (Lead up to 12 Km away from the site as per instruction of Engineer In charge)

Provision for Sand filling in trench for cuision of pipe

Provision for shifting and reinstatement of electric and telephone poles during excavation and laying of sewer lines.

Provision for shifting of electric and telephone cable, gas pipeline, existing water supply mains falling in the alignment of conveying main during excavation and the restoring utilities / services to its original condition. etc. during excavation and laying of sewer lines.

Sewer House Connection

Construction of House Connecting chambers for two connections of size 0.6 x 0.6 x 0.75m including supply of materials, labour T&P etc (also including excavation, & refiling of tranches, disposal of surplus earth and garbage up distance of 12 Km from the site etc. complete).

Making Domestic Sewer connection using 110mm HDPE pipe PN-6, PE-100 including supply of pipe, specials, Bedding as per CPHEE manual, labours, material, T&P etc. in true to alignment & gradient (also including dismantling & restatement of drain, excavation & refiling of tranches disposal of surplus earth and garbage up distance of 12 Km from the site etc. complete)

Laying of Sewer line from House Connecting chambers to M.H using 160mm HDPE pipe PN-6, PE-100 including supply of pipe, specials, Bedding as per CPHEE manual, labours, material T&P etc. in true to alignment & gradient (also including excavation & refiling of tranches disposal of surplus earth and garbage up distance of 12 Km from the site etc. complete).

Sewer Inter Connection Chamber to intercept the waste water from toilet, kitchen, and bathroom 0.30x0.30x0.45m including supply of materials, labour T&P etc (also including excavation, & refiling of tranches, disposal of surplus earth and garbage up to distance of 12 Km from the site etc. complete).

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