Laying and jointing of different size of DI Pipe line house connection road restoration and other appurtenant works, remaining work of Kargi Grant area in Vidhya Vihar Zone under Dehradun 23 Zone Coverage water supply scheme

Amount

Excavation in soil mixed with single bouldres etc. requireing the use of specials T&P, if any, for pipe line trenches including lift up to 1.5M and lead up to 30M with back filling, watering, ramming of excavated earth in the trenches.

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)

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: Bitumen Road

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Supplying, laying and jointing, testing, commissioning of K7 class DI pipes as per IS 8329, including specials like bends, tees, tapers, mechanical joints etc. of K12 class as per IS: 9523 along with cement mortar lining as per specifications with rubber gaskets for flexible joints and external coating as per specifications including cost of gaskets, flanges etc. including cleaning the socket and spigot ends with approved methods before insertion of rubber gaskets, jacking and fixing to perfect conditions and level in trenches as per IS 12288 including transportation to site, loading, unloading, hoisting, lowering, marginal cutting, assembling, providing temporary supports etc, all with approved equipment etc. with all lead and lift complete. This should include hydraulic testing as per specifications to specified pressure in stretches of length using pumps which should be able to provide specified test pressure, pressure gauges and other necessary equipment, labour, operation charges etc., required for testing complete as per detailed specifications and as directed by the Engineer Incharge

100 mm clear internal dia

150 mm clear internal dia

Providing and laying D.I.specials of class K-12 suitable for push on jointing as per IS 9523-2000 Up to 600 mm Ø

Providing and laying D.I.specials of class K-12 suitable for Mechanical jointing as per IS 9523-2000 Up to 600 mm Ø

Disinfecting C.I. water mains by flushing with water containing bleaching powder @ 0.5 gms per litre of water and cleaning the same with fresh water, operation to be repeated three times including getting the sample of water from the disinfected main tested in the municipal laboratory.

100 mm clear internal dia

150 mm clear internal dia

100 mm dia PN 1.6

150 mm dia PN 1.6

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

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)

1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources)

Extra for laying concrete in or under foul positions.

Constructing masonry Chamber 90x90x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ), i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design :

With common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Supply of all materials , labour T&P etc and provide nalah/culvert crossing by pipe line.

Laying old cement cocrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineerin- charge. (Old CC paver blocks shall be supplied by the department free of cost).

Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over 50mm thick compacted bed of sand, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand. complete all as per direction of Engineer-in-Charge.

80 mm thick C.C. paver block of M-30 grade with approved color design and pattern.

Interlinking of newly laid DI pipeline with the Reservoirs outlet pipeline by providing, laying and jointing with the required DI/CI/MS specials by flanged joints/mechanical joints including cost of specials, jointing materials cutting old pipelines, necessary reducers, enlargers, bolts, nuts, rubber insertions, labour charges etc., complete in all respect and as directed by the Engineer in charge.

For 100 mm dia DI Pipe to 100 mm dia CI/MS/DI Pipe

For 150 mm dia DI Pipe to 150 mm dia CI/MS/DI Pipe

For 200 mm dia DI Pipe to 200 mm dia CI/MS/DI Pipe

Providing, House Service Connection (Single service connection) from Ductile Iron distribution main to property limit, including supply and fixing of brass ferrule conforming to IS:2692 , clamp saddle of non-corrosive Engineering Plastic (Polyethylene) body moulded with Stainless steel threaded metal insert for tapping outlet. The stirrup metal plate shall be duly embedded in the plastic body, except at the place of nut-bolt lugs. Threading size and dimensions shall conform to IS: 554. The design of the saddle body should be such that, the service connection outlet metal insert shall project out towards pipe side and align with the hole drilled on the pipe to ensure positive locking against rocking or creeping on the pipe, as might be caused by vibration, pressure or excessive external loading. Saddle Seal shall be of virgin rubber SBR Grade 30 / NBR (NSF 61 approved).Saddle straps shall be made of Engineering plastic (Polyethylene of PE 100 Grade). It shall be of type pressure activated hydro-mechanical design. It shall be contoured gasket to provide a positive initial seal, which increases with increase in the line pressure. Gasket shall be gridded mat, with tapered ends, with the outlet section having ring contacting the saddle body multiple rings contacting the pipe, preferably with a Stainless steel reinforcing ring insert moulded to prevent expansion under pressure. Stainless Steel Type 304, NC rolled thread, Tightening torque for ½” (M12) nut-bolt: 14g.m and for 5/8” (M 16) nut-bolt: 21-23 kg.m. Drilling the DI pipeline shall be through the chain and rachet mechanism and the drill hole shall be perpendicular to the axis of the DI pipeline, including supplying and laying MDPE PE 80 PN16 blue pipe as per ISO 4427 upto the property limit of both sides of road including supplying and fixing PP compression fitings such as Metal Insert Female Thread Adaptor with SS304 material (2nos), Double compression elbow with compression on both sides (4 nos) complying to ISO14236-2000 and GI plug-in for closure of ends/GI Pipe with union (heavy duty class) to joint with existing connectiion. All pipes and fittings shall be PN16 rating including transportation, loading and unloading at site, all labour, tools, equipments etc. including cutting of road surface, earthwork, refilling and restoration of cut road surfaces with 100mm thick PCC M15(1:2:4) complete in all respect including connecting new house service pipeline to existing/new legal house connection after commissioning the distribution pipeline as per the drawing and as directed by the Engineer-incharge.

100,150,200 mm dia DI Pipeline x 20mm setup - Domestic

Repair of leakage/ broken of follwing dia existing pipe line / house connection including cutting of pipe. fixing of D.I.D/joints&also excavation of earth including supply of all materials , labour T&P etc.complete of work.

15 to 25 mm G.I. pipe

Removing/repairing of leakage in laid D.I. pipeline by cutting and dismantling of damaged piece of pipe then relaying new pipe with cutting, jointing, testing with required necessary specials, T&P such as nut bolt, rubber gasket, M.J. collar, dewatering pump, electric genrator etc including cost of all labour, material, T&P etc complete as per direction of engineer in charge.

100 mm dia nominal bore

150 mm dia nominal bore

200 mm dia nominal bore

250 mm dia nominal bore

Disposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge. Note - item to be applicable in urban areas having directions for restricted hours for movement/ plying of load carrying motor vehicle of 3.5 cum or more.

Sumitra Constructions

M/S Disha Associates