Supply and Laying of Distribution System and other appurtenant works at Vijay Colony Under Hathibarkala Salawala Distribution System water supply scheme

Amount

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)

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

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

Bituminous 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.

Excavation in soil mixed with single boulder etc. requiring the use of special T&P, if any, for pipe line trenches including lift unto 1.5 m and lead unto 50 m and refilling, watering, ramming of excavated earth in to the trenches and disposal of surplus earth unto 50 m from the center of the trenches.

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 conforming to IS : 5382/1985 with testing of pipe line complete.

D.I. Pipe S&S K-7 conforming to IS: 8329/2000

100 mm dia

150 mm dia

200 mm dia

Providing & Laying D.I. special of class K-12 suitable for push on jointing as per IS:9523-2001

Upto 600mm dia

Disinfecting C.I./D.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 dia

150 mm dia

200 mm dia

Providing and fixing D.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) : PN 1.0

100 mm dia (Class II)

150 mm dia (Class II)

200 mm dia (Class II)

Providing and fixing C.I. double acting air valve of approved quality with bolts, nuts, rubber insertions etc. complete (The tail pieces, tapers etc if required will be paid separately) :

80 mm dia (Class II)

Supply of all materials, labour T&P etc. and construct following valve chambers with a floating coat of neat cement complete as per standard design : With F.P.S. bricks

Sluice Valve chambers

Air Valve chambers

Supply of all material, labour T&P etc. and provide Nala and Culvert crossing by Pipe line.

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). Saddle Seal shall be of virgin rubber SBR Grade 30 / NBR (NSF 61 approved). 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.

80,100, 150, 200mm DI Pipex20mm setup-Domestic

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - -All work upto plinth level 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size. For Cement Concrete Pavment:

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - -All work upto plinth level 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) For Cement Concrete Pavment:

Preparation and consolidation of sub grade 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 including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earth with lead upto 50 metres.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing,rolling with three wheel 80-100 kN static roller 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

By Manuual means

Grading- I (Using Screening Crushable type such as Moorum or Gravel)

Grading- II (Using Screening Crushable type such as Moorum or Gravel)

Grading- III (Using Screening Crushable type such as Moorum or Gravel)

Providing and laying surface dressing as wearing course in single coat using crushed stone aggregates of specified size on a layer of bituminous binder laid on preparedsurface and rolling with 8-10 tonne smooth wheeled steel rolle.

13 mm nominal chipping size

Providing and applying tack coat with bitumen emulsion using emulsion pressurecleaned with mechanical broom. Distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface

Providing and laying dense bituminous macadam with 100-120 TPH batch type HMPproducing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix 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

for Grading II ( 19 mm nominal size )

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.