Repairs over Water Supply and Sanitary Installations in Kalpakkam Township during the year 2025-2026.

Amount

Replacing of the following wornout fittings by providing and fixing of heavy quality CP brass fittings of approved make conforming to IS 8931 - specification and bearing with ISI mark including fixing the fittings with GI / CPVC specials if any required, fixing required casing cup/flange returning the retrieved wornout fittings to GSO Civil Maintenance stores etc., all complete as per specification and as directed by the Engineer-in-charge.

15mm CP brass Bib Cock

15mm CP brass long body Bib cock

15mm CP brass pillar cock

15 mm CP brass angle cock

Replacing of the following wornout fittings by providing and fixing of heavy quality CP brass fittings of approved make conforming to IS-8931 specification including fixing the fittings with GI / CPVC specials if any required, returning the retrieved wornout fittings to GSO Civil maintenance stores etc., all complete as per specification and as directed by Engineer-in-charge.

15mm CP brass stop cock

15mm Sink cock (J - Bend type)

15mm CP brass Two way Bib cock

20mm CP brass concealed stop cock

20mm CP brass stop cock

Replacing of the following wornout fittings by providing and fixing of heavy quality CP brass fittings of approved make including fixing the fittings with GI / CPVC specials if any required, returning the retrieved wornout fittings to GSO Civil maintenance stores etc., all complete as per specification and as directed by Engineer.

100mm Square CP chrome finish shower -ABS body chrome plated

32mm CP brass waste coupling

40 mm CP brass waste coupling

15mm CP brass spreader for urinal

32mm CP brass dome type waste coupling for urinal

Waste coupling for SS sink (Round/Square)

Replacing of the following wornout fittings by providing and fixing of PTMT fittings of approved make conforming to relevant IS specification including returning the retrieved wornout fittings to GSO Civil maintenance stores etc., all complete as per specification and as directed by the Engineer-in-charge.

32mm PTMT waste coupling

40mm PTMT waste coupling

32mm PTMT Bottle trap

15mm PTMT Stop cock

15mm PTMT Angle stop cock (T- handle)

75x15mm PTMT shower

15mm PTMT Bib cock

15mm PTMT Pillar cock

15mm PTMT Push cock

15mm PTMT urinal Spreader

40mm corrugated waste pipe- 800mm long

Liquid Soap Container

Replacing the wornout/damaged Health faucet by Supplying and fixing Health Faucet (hand shower-ABS Chrome plated) with 1m long flexible tube with wall hook of approved make including fixing the wall hooks, finishing the surface, providing PVC check nuts and nylon washers on both ends, returning the retrieved wornout fittings to GSO Civil maintenance stores etc., all complete as per specification and as directed by Engineer-In-Charge.

Replacing the wornout/damaged PVC connection by providing and fixing of 15mm x 450mm long PVC connection of approved make confirming to IS specification both Cold and Hot water including PVC check nuts and nylon washers on both ends, fixing with GI Specials if required, returning the retrieved wornout fittings to GSO civil maintenance stores etc., all complete as per specification and as directed by Engineer.

Providing and fixing of 40mm heavy quality CP brass waste coupling of approved make and colour including cost of coupling, chipping out RCC sink, removing the existing damaged CP waste coupling, GI pipe and fixing new CP brass waste coupling with 40mm OD PVC Threaded pipe of class schedule 40 of approved make and restoring the same after completing the job to its original condition etc., (including cost of PVC pipe) all complete as per specification and as directed by the Engineer-in-charge.

Providing and fixing the new 25mm PVC/PTMT ball cock with epoxy coated rod/ball of approved make bearing ISI mark with all accessories in over head water tanks without interfering regular water supply including removing the damaged ball cock and returning to GSO stores, fixing new ball cock with GI specials if required, etc., all complete as directed by the Engineer-in-charge.

Replacing spares for CP brass fittings such as bib cock, stop cock, pillar cock, push cock, Concealed stop cock , etc., by supplying and fixing the following spares including removing the fittings without interrupting the water supply, servicing the fittings by replacing the wornout spares with new spares, refixing the same and returning the retrieved spindles to GSO Civil Maintenance stores etc., all complete as directed by the Engineer-in-charge.

15mm brass spindle suitable for "Metro" / " Prayag" make

15mm brass spindle suitable for "Waterman"/"Peaco" make

15mm brass spindle suitable for "Metro/PRAYAG" make concealed CP Brass fittings

15mm brass spindle suitable for "JAQUAR / PARRYWARE" make

15mm brass spindle suitable for "JAQUAR / PARRYWARE" make concealed CP Brass fittings

Attending day to day complaints for the CP brass fittings such as bib cock, stop cock, pillar cock, push cock etc., including removing the fittings without interrupting the water supply, servicing the fittings by replacing the wornout washer if any, refixing the same, etc., all complete as directed by the Engineer-in-charge.

Labour charges for servicing and fixing the retrieved old CP brass fittings such as bib cock, pillar cock, shower etc., including removing the worn out CP fittings, servicing the fittings by replacing the required spindles, returning the retrieved fittings to GSO stores refixing the fittings, etc., all complete as directed by the Engineer - In - Charge. Note:- 1) Required old/retrieved CP fittings will be issued by the department at free of cost. 2) Cost of spindles will be paid for separately under relevant item.

CP brass Bib cock, pillar cock

CP brass stop cock

CP finish shower

Providing and fixing the following internal dia gun metal full way gate valve of make "Leader" bearing ISI mark confirming to IS:778 for 20 Kg/sq.cm Hydraulic pressure with female ends, screwed bonnet, integral seat, non rising spindle class-I including removing the damaged gate valve, fixing the new valve, returning the retrieved wornout gate valve to GSO Civil maintenance stores, etc., all complete as directed by the Engineer.

25mm internal dia. Gate valve

40mm internal dia. Gate valve

Supplying, fixing and testing of following dia. heavy duty pasting / threaded type of CPVC Ball Valve of approved make including fixing the new valve, providing required CPVC specials if any required, etc., all complete as per specification and as directed by Engineer - In - Charge.

20mm dia. CPVC Ball valve

25mm internal dia. CPVC valve

40mm internal dia. CPVC valve

Refixing of existing wash basin/urinal by removing the existing wash basin and refixing the wash basin including removing the old damaged fisher / rag bolts & nuts, fixing new fisher / rag bolts & nuts to wall at required height , refixing the wash basin and connecting to the inlet and outlet connection by using the existing accessories, providing GI specials if required etc., all complete as directed by the Engineer-in-charge.

Labour charges for removal of water choke in wash basin by removing the waste coupling accessories and removing the choke including refixing with required GI specials, connecting to the inlet and outlet connection by using the existing accessories without damaging the wash basing etc., all complete as directed by the Engineer-in-charge.

Refixing the existing high / Low level flushing cistern along with telescopic pipe by removing the existing cistern with telescopic pipe and refixing the flushing cistern with necessary PVC brackets and support at required height including connecting the cistern and closet with suitable 40mm dia. PVC pipe with necessary specials, modifying the GI line if necessary, dismantling floor for removing the damaged telescopic pipe and restoring the same to its original condition etc., all complete as directed by the Engineer-in-charge. (Excluding cost of PVC pipe and GI pipe if required which will be paid for separately under relevant item) Note: During the above process proper care shall be taken to protect the existing IWC/EWC if any damage is taken place in IWC/EWC contractor shall replace with new IWC/EWC free of cost

Repairing the flushing cistern of 'Parryware - Slimline' by supplying and fixing the following spares to flushing cistern including removing the existing flushing cistern, replacing the worn out spares with new spares and refixing the same in original position with working condition etc., all complete as directed by the Engineer-in-charge.

15mm dia. PVC ball cock with suitable PVC float (Inlet Assembly)

32mm dia. PVC syphon (Outlet Assembly)

15mm PVC handle knob without pulling rope.

50mm dia. rubber washer

Flush bend for EWC

Ring Bush for EWC

Repairing the DUAL flushing cistern of 'Parryware' by supplying and fixing the following spares to flushing cistern including removing the existing flushing cistern, replacing the worn out spares with new spares and refixing the same in original position with working condition etc., all complete as directed by the Engineer-in-charge.

15mm dia. PVC ball cock with suitable PVC float

PVC syphon

PVC Push button

Providing and fixing high level / Low level polymer dual flushing cistern of 3/6 litre. Capacity of make "PARRYWARE SLIMLINE" or other approved equivalent make with ISI mark, including fixing cistern at required height and level with necessary TW wall plugs, screws, connecting inlet and outlet, connecting the cistern and closet with suitable 40mm dia PVC pipes and fittings conforming to IS:4985 etc., all complete as per standard specifications [Note: During the above process proper care shall be taken to protect the existing IWC/EWC if any damage is taken place in IWC/EWC contractor shall replace with new IWC/EWC free of cost.].

Refixing of following PVC/SWR/Soil pipes of existing Rain water/soil waste pipes which have come out from its original position due to decay of teak wood plug/packing piece, rusted GI clamps including providing new Teak wood plug/packing piece, fixing with new GI clamp with necessary screws, etc., all complete as directed by the Engineer-in-charge.

Upto 110mm diaType - A Rain water pipes

Upto 110mm diaType - B SWR pipes

Refixing the following sizes of existing CPVC / GI pipe line which have come out from its original position due to decay of teak wood plug/packing piece, rusted GI clamps including threading the existing GI pipe if necessary and fixing with new specials if required, providing new Teak wood plug/packing piece, fixing with new GI clamp with necessary screws, painting a coat of synthetic enamel paint etc., all complete as directed by the Engineer-in-charge. [Note: Cost of new pipes will be paid for separately under relevant item.]

15mm and 20mm dia. CPVC / GI pipe

25mm and 40mm dia. CPVC / GI pipe

Rectifying the leakages in water supply pipe line of various sizes by removing the damaged portion of GI pipe and replacing with new GI pipes upto 500mm long including cost of medium class GI pipes of make "Tata" bearing ISI mark and GI specials such as Coupling, Nipple, Tee, bend, elbow, reducer, union, etc., cutting, threading and jointing with white lead, painting two coats of synthetic enamel paint over a coat of red oxide primer, making necessary opening/chasing of the wall, flooring, etc., fixing with GI clamps over Teakwood plugs, Teakwood packing pieces and screws wherever required and restoring same to its original condition, including cost of the cement required for the work etc. complete all as directed by the Engineer-in-charge.

Upto 25mm dia. GI pipe

40mm dia. GI pipe

Providing and fixing of connector nipples of following dia to HDPE water storage tanks as per IS standard including fixing with heavy quality PVC specials such as coupling, nipple, jointing, making necessary opening/chasing of the tank, etc., all complete as directed by the Engineer-in-charge.

25mm CPVC pipe nipple

40mm CPVC pipe nipple

Rectifying the leakages in water supply pipe line of various sizes by removing the damaged portion of GI pipe and replacing with new GI pipes upto 200mm long including cost of medium class GI pipes of make "Tata" bearing ISI mark and GI specials such as Coupling, Nipple, Tee, bend, elbow, reducer, union, etc., cutting, threading and jointing with white lead, painting two coats of synthetic enamel paint over a coat of red oxide primer, making necessary opening/chasing of the wall, flooring, etc., fixing with GI clamps over Teakwood plugs, Teakwood packing pieces and screws wherever required and restoring same to its original condition, including cost of the cement required for the work etc., complete all as directed by the Engineer-in-charge.

Upto 25mm dia. GI pipe

40mm dia. GI pipe

Replacing the existing wornout GI pipes with new Chlorinated Polyvinyl Chloride (CPVC) pipes (Class-I) of SDR-11 of approved make conforming to IS 15778 having thermal stability for hot and cold water supply including removing the damaged pipe, providing CPVC plain and brass threaded fittings, fixing the clamps at 1m spacing, jointing of pipes and fittings with 1 step CPVC solvent cement, jointing the threaded fitting using Teflon tap, making required opening / chasing of wall / floor wherever required, finishing the surface, testing of joints, returning the retrieved wornout pipes and fittings to GSO Civil maintenance stores, etc., all complete as per specification and as directed by the Engineer In-Charge.

20mm dia. Nominal size

25mm dia. Nominal size

40mm dia. Nominal size

Providing and Fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (Class-I) of SDR-11 of approved make conforming to IS 15778 having thermal stability for hot and cold water supply including providing all CPVC plain and brass threaded fittings, fixing the clamps at 1m spacing, jointing of pipes and fittings with 1 step CPVC solvent cement, jointing the threaded fitting using Teflon tap, testing of joints, etc., all complete as per specification and as directed by Engineer In-Charge. (Internal work-Exposed on wall)

20mm dia. Nominal size

25mm dia. Nominal size

40mm dia. Nominal size

Providing and Fixing Chlorinated Polyvinyl Chloride (CPVC) pipes (Class-I) of SDR-11 of approved make conforming to IS 15778 having thermal stability for hot and cold water supply including providing CPVC plain and brass threaded fittings, fixing the pipe with concealed clamps at 1 m spacing, jointing of pipes and fittings with 1 step CPVC solvent cement, cost of cutting chasses and making good the same, testing of joints complete, etc., all complete as per specification and as directed by Engineer In-Charge. (Note: Concealed work including cutting chases and making good the wall, etc.,)

20mm dia Nominal size

Providing and fixing Unplasticized Polyvinyl Chloride (uPVC) pipes (Class-4) of approved make, conforming to IS:4985, suitable for hot and cold water supply with adequate thermal stability, including all uPVC plain and brass threaded fittings, fixing clamps at 1-metre intervals, jointing of pipes and fittings with single-step uPVC solvent cement, testing of joints for leak-proof performance, etc., all complete as per specifications and as directed by the Engineer-in-Charge.

25mm dia Nominal size - (Class - 4)

63mm dia Nominal size - (Class - 4)

Supplying, fixing, and testing the following uPVC specials (Class-4) of approved make and conforming to relevant IS specifications, including the cost of all materials, transportation to site, unloading, stacking, handling, installation, jointing, and testing, etc., all complete as per specifications and as directed by the Engineer-in-Charge.

25mm dia Flange & all specials

63mm dia Coupler

63mm dia Flange joint & bolt nuts

63mm dia elbow

Labour charges for removing the water line choke in GI pipe line by cutting, removing the choke from GI line and restoring the same including cutting, threading, jointing the existing pipe to its original condition, cost of specials required if any etc., all complete as directed all complete as directed by the Engineer-in-charge.

Rectifying the leakages in scour pipe in over head water tanks by chipping the concrete wall, cutting and removing the damaged GI scour pipe and introducing new 25mm to 40mm dia GI pipe sleeve of medium class of make "Tata" or other approved equivalent with ISI mark of 300 mm long with one end suitable for GI coupling and plug and welded with 150 x 150 x 6mm MS plate including painting with two coats of synthetic enamel paint over a coat of red oxide primer, embedded and grouting in the over head tank wall with plain cement concrete 1:2:4, cost of cement, cost of GI pipe and GI specials, etc., all complete as directed by the Engineer-in-charge.

Replacing the following sizes of existing damaged PVC pipes with new PVC pipe of 10 Kg. per sq.cm pressure pipe confirming to IS 4985 of approved make bearing ISI marking including all types of specials, cutting and removing the damaged portion of the existing PVC line, replacing new PVC pipe for flush tank & kitchen waste line with suitable jointing compounds, necessary opening/ chasing of the wall, flooring, etc., without interrupting the regular water supply, cost of necessary GI clamps, screws, teakwood plugs, packing pieces, restoring the same after completing the job to its original condition etc., all complete as per specification and as directed by the Engineer-in-charge.

40mm O/D PVC pipe

50mm O/D PVC pipe

Rectifying the PVC pipe line burst of the following dia. of water line by removing the damaged portion of PVC pipes, replacing with new pipes and restoring the water supply including excavation for exposing the pipeline, dewatering of scoured water, cutting the damaged pipe, cleaning/scrubbing the surface, fixing the new pipe with necessary solvent/cement of approved make etc., all complete as per specification and as directed by the Engineer-in-charge. (Note: Cost for PVC pipe and specials will be paid for separately under relevant item)

40mm and 50mm OD PVC pipe line burst.

63mm OD PVC pipe line burst.

90mm and 110mm OD PVC pipe line burst.

160mm OD PVC pipe line burst.

200mm OD PVC pipe line burst.

Supplying and laying the following dia. of PVC pipe of approved make with ISI mark as per IS 4985:2000 including transporting, unloading at work site laying etc., all complete as per specifications and as directed by the Engineer-in-charge.

40mm OD PVC pipe of class-IV (10kg/sq.c.m)

50mm OD PVC pipe of class-IV (10kg/sq.c.m)

63mm OD PVC pipe of class-III (6kg/sq.c.m)

75mm OD PVC pipe of class-III (6kg/sq.cm)

90mm OD PVC pipe of class-III (6kg/sq.cm)

110mm OD PVC pipe of class-III (6kg/sq.cm)

160mm OD PVC pipe of class-III (6kg/sq.c.m)

200mm OD PVC pipe of class-III (6kg/sq.c.m)

Supplying and fixing the following dia. of PVC specials of approved make with ISI mark suitable for class-III PVC pipe (6kg/sq.cm) including transporting, unloading at work site laying etc., all complete as per specification and as directed by the Engineer-in-charge.

90mm PVC 45/90 Degree bend

90 x 90mm PVC Tee

90mm OD PVC Tail Piece

110mm PVC 45/90 Degree bend

110x110mm PVC Tee

110mm OD PVC Tail Piece

160mm PVC 45/90 degree bend

160x160mm PVC Tee

160mm OD PVC Tail piece

63x20mm PVC Saddle

90x25mm PVC Saddle

110x25mm PVC Saddle

160x25mm PVC Saddle

200x25mm PVC Saddle

90mm PVC dummy / end cap

110mm PVC dummy / end cap

160mm PVC dummy / end cap

200x200mm PVC Tee

Removing the blockage in service saddle points on PVC lines by opening the saddle, removing the blockage and restoring the saddle with washer in the original position including excavating the trenches upto saddle point, bailing out water wherever required, refilling the excavated trenches etc., all complete as directed by the Engineer-in-charge.

Cleaning the existing stained ceramic sanitary ware like EWC, IWC, sink etc., by using hydrochloric acid of 30% concentration, soap oil, washing powder etc. without damaging the ceramic ware including cost of hydrochloric acid, soap oil, washing powder, etc., complete all as directed by the Engineer-in-charge.

Supplying and fixing in position best vitreous China ware wash hand basin of size 560x440mm Inoya / 550x450mm Indus/ 550x400mm oxford of Parryware or approved equivalent make of white colour including fixing with pair of CP multipurpose rag bolt/pair (or) suitable cast iron supports painted with two coats of synthetic enamel paint over a coat of red oxide primer with necessary screws, cost of cement, etc., all complete all as per specification and as directed by the Engineer-in-charge.

Supplying and fixing in position best vitreous China ware wash hand basin of size 450 x 330mm 'Flair' / 450 x 325mm of model Tapti / 450 x 300mm of model Rewa of Parryware or approved equivalent make of white colour including fixing with pair of CP multipurpose rag bolt/pair (or) suitable cast iron supports painted with two coats of synthetic enamel paint over a coat of red oxide primer with necessary screws, cost of cement, etc., all complete all as per specification and as directed by the Engineer-in-charge.

Providing and fixing in position 565 x 465 mm x 185mm oval countertop wash basin of PARRYWARE over granite counters or approved equivalent make of white colour including cost of pair of CP multipurpose rag bolt/ pair of suitable cast iron supports painted with two coats of synthetic enamel paint over a coat of red oxide primer with necessary GI apecials, pipe nipple, screws, cost of cement, etc., all complete all as per specification and as directed by Engineer - In- Charge.

Replacing the existing damaged IWC pan/Orissa pan by providing and fixing in position of approved make white glazed vitreous china ware ORISSAPAN WATER CLOSET of PARRYWARE or equivalent make with "S" or "P" trap with all jointing materials including removing the damaged IWC/Orissapan, chipping out the floor, concrete, brick wall, brick bat etc., making holes in masonry, fixing the new Orissapan, jointing the pipe and trap with Lip ring of PRINCE or approved make, reconstructing the same, encasing the pan and trap with brick jelly concrete 1:2:4 and back filling extra space with river sand/brick jelly concrete, including disposal of debris within a initial lead, cost of cement required for the work etc., all as per specifications and as directed by the Engineer. Note: 1) Cost of floor finishing will be paid for separately under relevant item. 2) Brick jelly concrete for back filling extra space with broken jelly concrete will be paid for separately under relevant item.

580x440mm size ORISSAPAN

500x400mm size ORISSAPAN

Refixing in position of chinaware European type water closet with 'P' or 'S' trap with or without vent including removing the existing EWC pan from its position and refixing the same with necessary plugs, screws and packing the joints with cement mortar 1:1, and connecting the flush pipe, seat cover etc., completed all as directed by the Engineer-in-charge.

Providing and fixing in position of white glazed vitreous chinaware European type water closet with 'P' or 'S' trap with or without vent of make "Parryware" or any other approved equivalent make including removing the existing damaged EWC pan and fixing the new EWC pan with necessary plugs, screws and packing the joints with cement mortar 1:1, jointing the pipe & Trap with EWC pan connector of "ASHIRWAD / PRINCE" or approved make, etc., all complete as directed by the Engineer-in-charge.

Providing and fixing in position of white glazed vitreous chinaware European type water closet of 'Parryware' make or approved equivalent with 'P' or 'S' trap bearing with ISI mark with all jointing materials including chipping out/removing the existing IWC/ORISSAPAN along with existing flooring of mosaic/IPS flooring, rising the existing P/S trap upto floor level by introducing of approved make of 110mm OD PVC pipe of 6kg/sq.cm. pressure pipe about 400mm long, jointing the pipe & Trap with EWC pan connector or Lip ring of "ASHIRWAD / PRINCE" or approved make, encasing the pipe and depression with brick jelly concrete 1:2:4, finishing the floor upto the base level of mosaic/IPS flooring including disposal of debris within a initial lead, cost of cement required for the work etc., all as per specifications and as directed by the Engineer-in-charge. (Note: Cost of floor finishing such as Tiles / mosaic/IPS floor etc., will be paid extra for separately under relevant item.)

Supplying and fixing of Anti-microbial solid Seat cover of `PARRYWARE' make or equivalent approved make with ISI mark of white/ colour suitable for European Water Closet of make "PARRYWARE" including fixing clamps etc., all complete as per standard specification and as directed by the Engineer-in-charge.

Refixing the EWC solid seat cover by supplying and fixing of Seat Cover hinges including removing the damaged hinges / clamps and fixing with new hinge / clamp set, etc., as directed by the Engineer-in-charge.

Providing and fixing in position of vitreous Chinaware urinal comprising of : i) Urinals of "Parryware (New Magnum)" or equivalent make and conforming to IS:2556 (Part 6) and ISI certified with suitable CI brackets/MS clamps. ii) 32mm CP brass urinal domed waste coupling of Jaquar/ Parryware make or equivalent make. iii) Heavy quality 15mm brass spreaders of Parryware make or equivalent make and suitable copper tubes complete as directed. iv) 32mm PTMT Bottle trap of Prayag or approved make v) 15mm CP Brass Urinal push angle cock of make Parryware (Lapin-N) Note: (i) Tenderer shall note that the cost quoted shall be inclusive of all materials like urinal basin, waste coupling, spreader, bottle trap, push angle cock, nails, screws and plugs which are necessary for fixing including cost of labour. (ii) All the above items for quality, colour and make shall be got approved before making bulk order.

Providing and fixing in position of vitreous Chinaware urinal comprising of : (I) Integrated EFS model white Urinal of "Parryware (Craft)" or other approved equivalent make suitable for fixing integrated Electronic sensor flushing system along with all accessories ii) Providing and fixing integrated Electronic Flushing system with AC Power source for urinal complete set with installation box and control clock of "Parryware" or approved equivalent make including fixing in urinal, etc., all complete as per specification. iii) 32mm CP brass urinal domed waste coupling of Jaquar/ Parryware make or equivalent make. iv) 32mm PTMT Bottle trap of approved make. Note: (i) Tenderer shall note that the cost quoted shall be inclusive of all materials like urinal basin, EFS system, waste coupling, spreader, bottle trap, nails, screws and plugs which are necessary for fixing including cost of labour. (ii) All the above items for quality, colour and make shall be got approved before making bulk order.

Replacing the existing damaged urinal with new vitreous Chinaware urinal of size 280x335x465mm of make "Parryware (Niagara)" or equivalent make including removing the damaged urinal from its position, removing the waste coupling and its accessories, fixing the new urinal with required brackets/clamps along with retrieved waste coupling, spreader, bottle trap or PVC connection etc., all complete as per standard specification and as directed by the Engineer-in-Charge. (Note:- Required waste coupling, spreader, bottle trap or PVC connection will be supplied by department as free issue item).

Providing in-situ mosaic flooring using best Indian white and colour marble chips of sizes from smallest to 4 mm nominal size laid in cement marble powder mix 3:1 (3 Cement: 1 Marble powder) by weight in proportion of 4:7 (4 part of cement & marble powder mix : 7 part of marble chips) by volume 6mm thickness laid over a bed of 12mm (average) thick bed mortar in CM 1:3 including chipping the damaged portion of existing floor/dadoo, preparation of surface with bed mortar, laying / compacting the mixed mosaic chips thoroughly with grinding stone, curing, polishing the with suitable grit corborundum stone at specified interval, disposing the dismantled debris at suitable places shown at site within 2 Kms lead, etc., all complete as per specification and as directed by the Engineer-in-charge.

Providing and laying Indian Patent Stone Flooring with cement concrete 1:2:4; 20mm thick using 10mm and below size hard broken stones including dismantling the damaged portion of existing floor/dadoo, preparation of surface, consolidating, curing, rubbing the surfaces smooth, providing dividing strips, disposing the dismantled debris at suitable places as shown at site within 2Km lead, etc., all complete as per specification and as directed by the Engineer-in-charge.

Providing and fixing PVC Nahani trap of approved make conforming to the relevant IS code, heavy quality of self cleaning design with 125mm dia. PVC grating with perforated holes on top, including chipping the existing floor concrete, exposing the damaged Nahani trap, removing the damaged trap, fixing new Nahani trap, embedding in cement concrete 1:2:4, forming circular holes by providing and fixing 110mm OD PVC pipes of required height upto floor level, jointing the outlet pipe, leveling and rendering smooth, making good the floor and wall etc., complete as per specifications. Note: 1) Rate shall include cost of PVC pipe and it shall not be paid extra. 2) Cost of floor finishes will be paid for separately under relevant item.

Excavating trenches of required width by mechanical means (Hydraulic excavator / manual means) for pipes, cables etc., for depth upto 1.5m in all kinds of soil including excavation for sockets, dressing of sides, ramming of bottoms, getting out the excavated soil and then refilling the soil as required in layers not exceeding 200mm in depth, consolidating each deposited layer by ramming, watering etc., and disposing of surplus excavated soil as directed within a lead of 50m, (Disposed soil to be levelled by breaking clods, if any and neatly dressed), etc., all complete as per specification.

Providing and fixing 110mm OD best quality SWR uPVC pipes - Type A (suitable for ventilation work and rain water applications) conforming to IS: 13592 - latest edition with ISI mark including moulded fittings/specials such as bends, shoes, etc., jointing with seal ring conforming to IS - 5382 leaving 10mm gap for thermal expansion, fixing to the wall with adequate no. of PVC clips for rain water down take pipes etc., all complete as per specifications and as directed by the Engineer in charge.

Replacing the damaged CI soil waste pipe by supplying, laying and fixing of PVC pipe lines laid, embedded under floor slab and fixed to walls wherever required using SWR uPVC pipes - Type B (suitable for soil and waste discharge system having wall thickness of minimum 3.2 to maximum 3.8mm) conforming to IS:13592 - latest edition with ISI mark of approved make and PVC pasting type or Ring type specials such as door bends, door tees and cowls etc., heavy quality for soil waste or vent or antisyphonage PVC pipe including removing the damaged CI pipe, chipping/removing the embedded pipe if any, fixing the new PVC pipe with suitable clamps over Teak Wood packing pieces, restoring the same to its original condition, disposal of debris within a initial lead, stacking of retrieved CI pipes at GSO stores etc., all complete as per specification and by the Engineer-in-charge.

90mm OD SWR-uPVC pipes and specials (Type B)

110mm OD SWR-uPVC pipes and specials (Type B)

Supplying and fixing the following dia. of SWR specials of approved make with ISI mark suitable for pasting type SWR type B pipes including removing the existing damaged specials from stack, fixing with new specials, etc., all complete as per specification and as directed by the Engineer-in-charge.

90mm Door Tee

90mm Door Elbow / Door bend

90mm Door Y-Bend

110mm Door Tee

110mm Door Elbow / Door bend

110mm Door Y-Bend

Labour charges for cleaning the over head water tanks located a height of 10 mtrs above the ground level by closing the incoming valve of water line, draining out the existing water in the tank, thoroughly cleaning the inside of the tank by brushing with brush and bleaching powder completely, removing the dirty materials, closing the scour valve and releasing the water into the tank after thoroughly. cleaning, refixing the manhole cover in position etc. including cost of bleaching powder, all tools and plants etc., all complete as directed by the Engineer-in-charge. (NOTE: Cleaning over head water tank yearly three times and The labourers engaged for cleaning the water storage tanks shall got medical certificate by DAE Hospital before attending the work.)

Residential buildings over head tanks

Repairing the existing damaged ceramic tiles dadooing by chipping out / dismantling the damaged portion and providing new ceramic tiles by thoroughly removing the damaged tiles, plastering and hacking the plastered surfaces and laying ceramic tiles by using Premium quality (I Class) of SOMANY/ KAJARIA /JOHNSON or other approved equivalent make, size and colour confirming to relevant IS code for dadooing/ anti-skid flooring laid over bed of 12 mm thick in CM 1:3 for dadoo and 20mm thick in cm 1:4 for flooring, pointing the joints with white cement and matching colouring pigments including disposing the dismantled debris at suitable places shown at site within 2Km lead, etc., all complete as per specification and as directed by the Engineer-in-charge.

Painting with flexible polymer modified cement based anti-dampness coating for interiors using Asian Paints Damp Block or other approved equivalent make including preparation of affected surface, removing old paint / putty using wire brush / chisel to expose cement plaster, apply self priming coat of damp block (1:1 ratio diluted in water) and apply 2 coats of damp block (diluted with water in 3 part powder : 1 part water ratio) using a putty knife or a trowel to achieve total coverage of 7.5 sqft/ kg, finishing the surface smooth, etc., all complete as per specifications and as directed by Engineer.

Replacing the wornout/damaged Health faucet supporting hooks by supplying and fixing wall hook of approved make including removing the damaged wall hook, fixing the new hooks, finishing the surface, etc., all complete as per specification and as directed by the Engineer-In-Charge.

Providing and laying Cement Concrete 1:5:10 using 40mm and downgraded size hard granite broken stone in foundations, trenches etc., including necessary form work, ramming, compaction, levelling, mechanical mixing, curing, dewatering, if any and including dismantling the existing concrete, disposing the dismantled debris within 2 Kms lead etc., all complete as per specifications and as directed by the Engineer-in-charge.

Providing and laying brick masonry in Cement Mortar 1:6 at all lifts with well burnt stock bricks including scaffolding, curing, raking out joints and including dismantling the existing brick work, disposing the dismantled debris within 2 kms lead etc., all complete as per specifications and as directed by the Engineer-in-charge.

Plastering with Cement Mortar 1:5; 12mm thick for brickwork wall surfaces, finished smooth with a floating coat of neat cement including scaffolding, curing and forming grooves wherever necessary and including chipping the plastering, applying bonding agents, disposing the dismantled debris within 2 Kms lead etc., all complete as per specifications and as directed by the Engineer-in-charge.

Plastering with Cement Mortar 1:3, 20mm thick including supplying and mixing of approved water proofing compound at the rate of 2 % (two percent) by weight of cement and finished smooth with a floating coat of neat cement and including chipping the plastering, applying bonding agents, disposing the dismantled debris within 2 kms lead etc., all complete as per specifications and as directed by the Engineer-in-charge.

Providing and placing in Position on Terrace (at all floor levels) of HDPE cylindrical Vertical water storage tank of following capacity conforming to IS:12701 and bearing ISI mark with cover of make SINTEX or approved equivalent make including suitable locking arrangement, fixing with inlet, outlet and over flow pipes with necessary check nuts, etc., all complete as per specification and as directed by Engineer-in-Charge.

3000 Litres capacity Water tank

2000 Litres capacity Water tank

1000 Litres capacity Water tank

500 Litres capacity Water tank

Supplying and fixing of HDPE cylindrical tank cover with suitable locking arrangement of make SINTEX or other approved equivalent make including removing the damaged cover, fixing the new cover with locking, etc., all complete as per specification and as directed by Engineer-in-Charge.

Providing and fixing HDPE cylindrical vertical water storage tank connector nipples of the following diameters, conforming to IS standards, including the use of heavy-duty PVC specials such as coupling, nipple, tee, bend, elbow, reducer, union, etc., as required. The work includes cutting, threading, and jointing; making necessary openings or chasing in walls, tanks, flooring, etc., and restoring the same to its original condition after installation. all complete as per standard specifications and as directed by the Engineer-in-Charge.

25mm CPVC pipe nipple

40mm CPVC pipe nipple

Supplying, laying and fixing in position the following sizes of ductile iron pipes in standard length of K-9 class conforming to IS:8329/2000, suitable for rubber gasket (SPR) push on joints, pipes shall be bearing with ISI marks and cement mortar lining inside barrel including lowering them into the excavated trenches and laying, fixing in position to proper grade and alignment all as per IS:12288 and standard specifications including cutting the pipes to the required length, cost of labour, pipes and other materials, tools and plants for laying and installing the pipe lines and testing the lines to the required hydrostatic pressure of 14 kgs./sq.cm. at the specified intervals but excluding cost of Ductile iron specials / fittings and joints which will be paid under relevant items. Note: 1) The effective length of the DI fittings / specials, valves, double flanged pipes, etc., will be deducted from the overall measurement of the pipe line for making payment against this item. 2) Contractor shall rectify any damages to existing PVC pipe line during execution if any at his own cost.

100mm dia. K-9 class DI pipes

150mm dia. K-9 class DI pipes

Supplying and fixing tested heavy quality DI specials / fittings K-12 class socket, spigot and flanged specials such as bends, collars tapers, tees, duck foot bend, flanged socket and flanged spigot tail pieces, blank flanges, etc. and conforming to IS:9523/2000 and IS:8329/2000 drilling holes to the flanged fittings shall be PN classification and socket specials /fittings shall be suitable for rubber gasket (SPR) push on joints, etc., complete (Joints will be paid for separately under relevant items).

Upto 300mm dia.

Providing and fixing rubber gasket (SBR or EPDM) push on joints to the following sizes of DI pipes including insertion of rubber gasket into the centering rings of the socket of the pipes and pushing the spigot end into socket and making the joint intact to withstand the hydrostatic pressure of 14Kgs./sq.cm. including cost of all materials, rubber gasket, tools and plants, etc., complete conforming to IS:5382/1985 and IS:12288/1987.

100mm dia. NB DI pipes

150mm dia. NB DI pipes

Making flanged joints of the following dia. DI / CI pipes, specials and valves, providing and fixing standard size and numbers of MS bolts, nuts and washers, 3mm thick ply rubber insertion and testing the joints to 14kgs / sq.cm. hydrostatic pressure and making good all defects and leakages inclusive of cost of all jointing materials, bolts, nuts and labour, etc., all as per standard specification and IS:8329/2000 and IS:9523/2000 (Note: The cost for excavation item will be paid for separately under relevant item.)

100 mm dia. DI / CI pipe

150 mm dia. DI / CI pipe

200mm dia. DI / CI pipe

250mm dia. DI / CI pipe

Providing and fixing Polyethylene - Aluminium - Polyethylene (PE-AL-PE) composite pressure specials U.V. stabilised with carbon black conforming to ASTM - F1282 - 03 for Internal and External water supply including removing the damaged portion replacing with new fittings, cutting and jointing, making necessary opening / chasing the wall, flooring etc., and restoring the same to its original condition, cost of cement required for the work etc., all complete as directed by the Engineer-in-charge. [All fittings shall be of composite compression fitting - internal sealing]

2532 Female thread connector (Brass compression fittings)

3240 Female thread connector (Brass compression fittings)

4050 Female thread connector

Providing and fixing the following internal dia. Swing type Gun Metal Non return valve (Check valve) of make "Leader" bearing ISI mark conforming to IS:778 including removing the damaged valve, fixing the new valve, returning the including require GI specials and retrieved wornout gate valve to GSO Civil maintenance stores, etc., all complete as directed by the Engineer-in-charge.

20mm internal dia. Non return valve (Horizontal)

25mm internal dia. Non return valve (Horizontal)

40mm internal dia. Non return valve (Horizontal)

40mm internal dia. Non return valve (Vertical)

Replacing the wornout Elbow action tap by providing and fixing of heavy quality 15mm CP brass pillar cock with extended lever handles of make 'Jaquar (Medi series)' or any other approved equivalent make including require GI special and returning the retrieved wornout fittings to GSO Civil maintenance stores etc., all complete as per specification and as directed by the Engineer-in-charge.

Boring tube wells of 100mm diameter using hand drilling equipment's in all types of soil including flushing out, insertion of perforated PVC pipes etc., all complete as directed by the Engineer-in-charge. (Note: Perforated PVC pipe will be paid for separately under relevant item.)

Upto 6m depth

Beyond 6m depth

Supply, assembling, lowering and fixing in vertical position of PVC Plain screen pipes of approved make conforming to IS in Bore wells including hire & labour charges, required specials and accessories, etc., all complete for all depths as directed by the Engineer-In-Charge.

110mm Dia Pipes - Plain Screen Pipe (6 Kg/cm2)

Providing, hoisting and fixing of 25mm thick precast slab of precast slabs in cement concrete 1 : 1.5 : 3 using hard broken stones of maximum size 20mm finished smooth of various sizes and patterns including necessary formwork and moulds, mechanical mixing, finishing the exposed surface, curing, fixing at all levels, grouting with CM / Cement grout wherever required, providing weld mesh / steel wire fabric of 25 x 25mm with 3mm wire as reinforcement etc., all complete including cost of steel weld mesh etc., as per specifications and as direction of the Engineer-in-charge.

Maintaining / servicing the deep well hand pump (Model VCOM - 50) installed at various places in Kalpakkam including removing the head assembly, lifting the plunger/ valve assembly and connecting rod, servicing the plunger / valve assembly, replacing the wornout sealing ring, refixing the all components, operating the pump in good condition, applying grease / lubricants as required, etc., all complete as per specifications and as direction of the Engineer-in-charge.

Providing and laying factory made FRP (Fiber Glass Reinforced) over head tank manhole covers with frame of 600x600mm (500Kg class) opening size of make HP Adhesives tank covers or other approved equivalent make and size, design, shape, laid in required colour and pattern over water tank etc., all complete as per specification and as directed by the Engineer-in-charge.

Providing and fixing heavy-duty, high-quality 15mm CP brass electronic sensor-type tall pillar cock tap with flange, of approved make such as "Jaquar" (or) "Parryware" or other equivalent make and design. The sensor shall operate on battery or dual power supply and shall have a response time of less than 1 second. The item shall include all necessary accessories such as SS inlet control valve, cup, flange, and mounting hardware etc, all complete as per specifications and as directed by the Engineer-in-Charge.

Supplying, installation, testing and commissioning of 100mm dia bulk helical enclosed type (mechanical driven) flanged type water flow meters of make DASHMESH or other equivalent make confirming to IS 2373 suitable for water temperature upto 45º C and pressure upto 16 Bar including fixing the meter in delivery line, testing, etc., all complete as per manufacturer specifications and as directed by Engineer-In-Charge. (Note : Flanged joints for fixing shall be paid for seperately under reelvant item)

Attending emergency water supply/ plumbing complaints/calls in Residential and Non-residential buildings such as leaking of water supply systems, overhead tank overflow, other miscellaneous works, including maintaining register for complaints, rectifying the complaint, reporting/feedback to Engineer, etc., all complete as directed by the Engineer-in-charge. Note:- 1) One operation means net working time of 8hrs in shifts and rate shall be quoted accordingly for one shift. 2) The contractor shall engage one plumber for each shift. 3) One shift will be operated after office working hours in week days and 2 shift during holidays and Sundays.

DAMU CONSTRUCTIONS (BID ID -3239160)

Bidder Name

S LOGANATHAN CONTRACTOR

DAMU CONSTRUCTIONS