Directorate Of Construction Services And Estate Management Tender

Up to 1.5 m depth from GL

Excavation in trenches for pipes & sewers in hard rock by chiselling including dewatering, if necessary stacking & disposing excavated materials within a distance of 50m lead for the following depths as directed by EIC

Up to 1.5 m depth from GL

CPVC PIPES & FITTINGS: Supplying, laying & fixing the following sizes chlorinated polyvinyl chloride (C-PVC) pipe on exposed surface (or) in concealed surface (or) underground of specified class including of following work:- i) Supply & fixing C-PVC pipes, including all necessary fittings confirming to IS -15778. (ii) Supplying, laying and fixing the pipe and specials to correct line, level and plumb for water supply line, overflow and vent using M.S. nails/ screw, rowel plugs, wooden gutties and branded clamp of Supreme /Prince make to the pipeline as per the site requirement. (iii) Testing the pipe line to a hydraulic pressure as per manufacturers catalogue for leak proof joints or as prevalent code. (iv) Making leak proof threaded /solvent joints, including cutting the pipe, joint preparation , cloning, marking, application of solvent materials (v)Core Cutting or making the holes or chase in RCC or brick work structure such as wall, column, beam , slab , chajja & dada etc. for passing the pipe line and reinstating all the damage to its original condition proof joints. (vi) Providing & fixing C-PVC joinable/ threaded fittings/ such as Brass MTA, Brass FTA couplings,Nipples, Bends, Elbows,reducer,tee,reducer-tee,,tank connectors, Expansion, Loops ,U clamps minimum 12mm thickness ,Z / D GI brackets,Bypass, testing the pipes with clean & potable water as per standard specifications including removing of existing pipes , arranging scaffolding for fixing of vertical riser along the wall & transporting the same from site to the DCSEM stores or viceversa all as directed by EIC. vii) For underground CPVC pipe laying should be encased in GI sleeve pipe,class B. viii)For vertical CPVC pipe riser pipe laying should be on Z / D type GI bracket with U clamp/bolt and GI nut bolt fittings. ix) Dismantling the existing pipes, stacking them properly at site and shift to DCSEM Mechanical Stores is included with scope of work. Note: Only the required Brass CPVC MTA & FTA shall be measured and paid under relvant SOQ items. Except Brass CPVC MTA & FTA, all other fittings, bends, reducers etc. required for completion of piping work along with dismantling and shifting of old pipes and items listed above are included in the scope of this work item and no additional payment shall be made towards these included items / scope of work.

40NB

50NB

MALE THREADED ADAPTOR: Providing & fixing of following sizes Brass CPVC-MTA of Prince or Supreme make of schedule 80 conforming to I.S. specifications including cutting the pipes to required length & replacing the pipes by new one and cost of all jointing all per standard specifications & as directed by EIC.

40NB

50NB

FEMALE THREADED ADAPTOR: Providing & fixing of following size Brass CPVC-FTA of Prince or Supreme approved make of schedule 80 conforming to relevent I.S. specifications including cutting the pipes to required length & replacing the pipes by new one and cost of all jointing

40NB

50NB

GUN METAL VALVE : Providing and fixing Gunmetal Gate valves of New/ Sant / Leader or equivalent make following dia. confirming to IS-778 with new hand wheels at top including fitting like elbows, tees, unions, couplings, reducers, enlargers, bends etc. all other fittings required for completion conforming to IS: 1239 including testing for 10kg/Sqcm with clean & potable water as per standard specifications & as directed by EIC.

40NB

50NB

GI THREADED FLANGE: Supply, installation, testing & commisioning of internal threaded GI flanges and making flanged joints to a pressure pipes & specials of following sizes for water supply including drilling the holes to the flanges conforming to BS 10 table E including providing GI nut bolts with double washers, jointing materials like neoprene rubber insertion or equivalent & fuel, labour including making sockets pits for lead pouring & caulking & testing the joints to 10 kg/cm2 pressure with minimum period of testing of two hours with clean & potable water, as per specification & as directed by EIC.

Up to 50 mm n.b.

G.I. Pipe along with Fittings: Supply, Laying, Installation of GI 'C' class pipes of following diameter & replacing the same by transporting & laying new GI 'C' class pipes conforming to IS:1239 of approved make including fitting like elbows, tees, unions, couplings, reducers, enlargers, bends, G.I. threaded flanges etc. all other fittings required for completion conforming to IS: 1239 including cutting the pipes to the required length & replacing the pipes by new one including the cost of all jointing materials like hemp yarn, white or red lead, painting the pipes with bituministic paint & hessian cloth, scraping, testing the pipes with clean & potable water as per standard specifications including removing of existing pipes & transporting the same to the DCSE/ PH/Mechanical stores all as directed by EIC.

40NB

50NB

FLOAT VALVE : Supply, installation & testing of float valves of Prayag or equivalent approved make following dia.& replacing the same by transporting & laying new Prayag or equivalent approved make including fitting like elbows, tees, unions, couplings, reducers, enlargers, bends etc. all other fittings required for completion conforming to IS: 1239 including cutting the pipes to the required length & replacing the pipes by new one including the cost of all jointing materials like hemp yarn, white or red lead, painting the pipes with bituministic paint & hessian cloth, scraping, testing the pipes with clean & potable water as per specification & as directed by EIC.

40 mm n.b.

50 mm n.b.

DI FITTINGS: Providing, laying, jointing & fixing DI conforming to IS :9523, K-12external zinc bitumen coated & internal cement mortar mechanical,flanged, and/or push-on type fittings/specials, K-12 class of approved make like tees, bends, collars, reducers, enlargers of all sockets, socket & spigot or double end flanged etc. with sealing rubber gasket of SBR conforming to IS :5382 and or IS 12820 with ISI mark, cast/ductile iron follower gland, MS nuts & bolts coated or otherwise protected from rusting, suitable for D.I. pressure pipes for water supply to correct alignment and levels including jointing the specials to pipe line & testing the specials to appropriate hydraulic pressure alongwith the pipe line with clean & potable water as per specifications Note: The above costs includes 'push-on' /mechanical joints & all other required fittings with gaskets, bolts, nuts etc.

Cutting the existing asphalt macadam road for exposing, laying pipe lines, sewers, cables etc. up to & including random rubble soling & making good the same after satisfactory completion of work but excluding black topping, watering, ramming, all complete as directed & to the entire satisfaction of EIC

Demolishing plain cement concrete work by chiselling at all levels including disposal of removed materials within 50m lead all as directed by Engineer-In-Charge.

Plain cement concrete 1:2:4 using graded stone aggregate of 20mm max. size including compaction, finishing, curing, cost of form work, shuttering, centering and disposal of debris etc. all complete as per specification and as directed by Engineer-in-Charge.

Labour charges only for laying 50 mm average thickness rough Shahabad stones/paver blocks paying in footpaths over a bed of 150mm thick murrum to proper slope, including cutting the edges to proper lines & sink/flush pointing with cement mortar 1:3 with 15*10 mm groove crosswise & longitudinally or finishing as per the original & adjacent foot path, curing, cutting of stones wherever required & transporting the stones to the site of work from DCSE stores/removed from site under relevant item etc. complete all as directed by Engineer-In-Charge

Brick work using bricks as specified in foundation & plinth including curing, racking out joints above ground level & simultaneous pointing below ground level etc. complete all as per specification using cement mortar 1:6 & to the entire satisfaction of Engineer-In-Charge.

Cement plaster 20 mm thick in single coat over exterior masonry & concrete surfaces at all levels with cement mortar 1:4, finishing smooth with neat cement to correct line, levels, plumb & curing etc. complete all as directed by Engineer-In-Charge

R R MASONRY IN FOUNDATION: Random rubble masonry using spotless black trap or approved local stone in foundation & plinth, in cement mortar 1:6, including racking out joints or simultaneous flush pointing above ground level/ plinth level, curing etc. complete.

'R R MASONRY IN SUPER-STRUCTURE: Random rubble masonry using spotless black trap or approved local stone in super-structure, in cement mortar 1:6, including racking out joints or simultaneous flush pointing above ground level/ plinth level, curing etc. complete.

DEMOLISHING OF RR MASONRY: Demolishing rubble masonry in cement mortar including scaffolding, stacking of serviceable materials & disposing of unserviceable materials within 50m lead etc. complete all as directed by Engineer-In-Charge.

DEMOLISHING & REDOING OF RR MASONRY: Demolishing rubble masonry in cement mortar including scaffolding, stacking of serviceable materials within 50m lead including re-doing the same with available stones in CM 1:6 etc. complete all as directed by Engineer-In-Charge.

Demolishing brick work in cement mortar including scaffolding, stacking of serviceable materials & disposal of unserviceable materials within 50m lead.

FABRICATION WORKS: Providing , Fabricating ,laying , jointing & welding of Mild Steel works of at all levels in steel sections like angles flats tees & channels, MS plain or chequered plates by providing double flanges to spool piece,GI Nut & bolts, insertation of rubber gasket, elbow, bend reducer, enlarger, tee, coupler, adopter etc. including cost of labour charges for cutting, welding materials, grinding, finishing, painting the surfaces with one coat of primer and two coat of main enamel paint of approved make, transportation etc. & testing with potable water and complete all as per instructions & directed by Engineer-In-Charge. NOTE: Size of spooled pieceshall be decide by Engineer-In-Charge and payment shall be made on weight basis.

Disposal of all excavated surplus earth material/ debris to be transported and disposed to outside the colony by on its own transport arrangement without any extra payment including loading, unloading, stacking levelling if required transporting at site etc. complete directed by the EIC.

'PIT VALVE CHAMBERS: Construction of valve chambers of sizes 450X450 mm up to 450 mm depth from ground level in 230 mm thick bricks masonry in cement mortar 1:6 & in over a bed of 150mm thick cement concrete 1:4:8 foundation having 150mm offset over brick masonry all around, cement plaster 20mm thick in cement mortar 1:4 on inside, outside & all exposed surfaces finished with a coat of neat cement, necessary cement concrete 1:2:4 along with supplying and fixing Evercastt or equivant approved make PVC covers with frame at top including Curing,etc. complete all as per specification & as directed by Engineer-In-Charge.