Layingofwaterline

Amount

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m : All kinds of soil - Pipes, cables etc, not exceeding 80 mm dia

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.

Filling available excavated earth (excluding rock) in trenches, plinth,sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Constructing masonry Chamber 60x60x75 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 (1cement :2 coarse sand : 4 graded stone aggregate 20mm nominal size ) , i/c necessary excavation, foundation concrete 1:5:10 (1cement : 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

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete

Providing and Laying 75 mm (PE100 PN 6Kg/cm2 ) nominal bore HDPE pipe conforming to IS 4984-1995 for supply of water from bore well including required specials, transportation and jointing by butt fusion welding as per IS 7634-part-II / 1975 as ammended from time to time to the alignment and gradient & testing the pipe line to the required pressure clamping with brackets including all joints with necessary fittings etc. complete as per direction of engineer in-charge.

Providing and fixing 100 mm nominal bore G.I. pipes complete with G.I. fittings for External works as per direction of Engineer In-charge.

Providing , suppplying and Laying of cast iron pipes and fittings (spls) of 75mm X 75mm X 500mm CI Air TEE conforming to I.S. No. 7181/1986, 5531/1988, 3950/1979 and C.I.D joints conforming to IS No. 8794/1988 including loading, unloading, transporation to site of work stacking at site transist risk and package, complete as per relevant standard specifications and as directed by the Engineer - in charge

Providing , suppplying and laying of cast iron pipes and fittings (spls) of 75 mm CID and mechanical joints conforming to I.S. No. 7181/1986, 5531/1988, 3950/1979 and C.I.D joints conforming to IS No. 8794/1988 at site of work anywhere in A.P including loading, unloading, transporation to site of work stacking at site, transist risk and package complete as per direction of Engineer in-charge.

Supplying & Laying of HDPE fittings of 75mm long neck pipe ends. (collers) conforming to IS 4984-1995 including transportation etc complete as per directon of Engineer in-charge.

Supplying & Laying of HDPE fittings of 75mm MS flanges conforming to IS 4984-1995 including transportation etc complete as per directon of Engineer in-charge.

Supplying & Laying of HDPE fittings of 75mm bends conforming to IS 4984-1995 including transportation etc complete as per directon of Engineer in-charge.

Supplying & Laying of HDPE fittings of 75mm end caps conforming to IS 4984-1995 including transportation etc complete as per directon of Engineer in-charge.

Jointing CI/DI pipes of 75mm dia DF joints at valves & fittings with S/S ends including cost of nut and bolts, rubber installation, and labour charges. Filling with water with lead up to 500m and testing to required pressure complete as per directon of Engineer in-charge. (Reference to specifications.)

Supplying and Laying of 80mm dia PN 1.6 (Mpa) Resilient seated soft sealing gate valves (Sluice valves) with body and bonnet of ductile Iron GGG-40/SG-400/15 or GGG-50/SG-500/7 or Equivalent as per IS 1865, IS: 3896-2 and wedge fully Rubber lined with wood grade quality W270 grade EPDM, Replaceable spindle nut without gland packing with -O ring potection system on the shaft and seals of NBR. The valves should be vacuum tight and 100% leak proof with face to face dimensions as BS: 5163 Type A/IS: 14846. All the valves should be with fusion bonded Electrostatic powder coating both inside and outside (min 250 Microns)-RAL 5005 with Pocket less straight through body passage conforming to design standards of DIN-3202F4/BS:5163 Type A Flange drilling as per IS-1538 including transportation, complete as per directon of Engineer in-charge.

Lowering keeping in position and fixing of 80mm dia C.I./D.I sluice valves (with cap/with hand wheel & reflex valves) excluding cost of bolts, nuts, rubber inserton, sluice vave and tail pieces as per direction of Engineer in-charge.

Labour charges for fixing Kinetic Air valves of 80mm dia with isolating Sluice valves, Double Air valves/Air Cushion valve excluding cost of jointing mateials such as bolts, nuts and rubber insertions etc, complete as per direction of Engineer in-charge.

Supply and fixing of Tamper proof DI flanged single chamber Air release valves of 50mm dia with body & cover of ductile iron grde GGG-40/SG-400/15 or GGG+50/SG-500/7 or (min 250 micron) inside and outside of colour blue RAL 5005, all internal parts such as floats, sheel cove bolts etc made austenitic alloy steel of SS AISI 304/316 and DN 50 DIN/BIS/AWWA standards (or) combination flange drilling as per IS-1538 and including transportation as per direction of Engineer in-charge.

Providing JCB on hire basis including opreating for necessary works as directed by Engineering -in-charge.

RISA INFRAS