SPECIAL REPAIRS / REPLACEMENT OF BER AC PLANT LOCATED WECORS (BLDG NO 25B AND 25C) AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

[SCHEDULE 'A' PART-I [B/R WORKS]

Dismantling of wall and ceiling board (fibre , pulp, insulation ,etc) or insulation board /slabs/of any thickness including cover fillets complete all as specified and as directed.

S&F anodised aluminium snap grid frame work of size 605x605 mm using main and cross tee of size 15mm x 15mm 1.5mm ( weight not less than 0.12 kg / RM) and wall angle of size 40mm x 25mm x 2mm ( weight not less than 0.36 kg / RM) with & including 6 to 8mm thick perforated fibre reinforced board for insulation and accoustic purpose 60cm x 60 cm in size fixed with screws to the aluminium frame work in ceiling with hanger 6 mm dia GI (up to 1200mm length) adjusting level fixed to roof slab by means of ceilng cleats made out of GI flat 40 mm x 3mm size 60mm long and expansion hold fastners 12.5mm dia 40mm long complete all as specified and as directed.

Taking down cement plaster on brick walls, etc., including raking out joints, hacking for key, scrubbing down water etccomplete all as specified and as directed.

M&L rendering 10 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:6 and finished smooth even without usig extra cement complete all as specified and as directed.

M&L rendering 5 mm thick cement plaster 1:3 on fair faces of brick work or concrete surfaces on ceiling finished even & smooth ( without usig extra cement.) complete all as specified and as directed.

Material & labour for chipping (20mm to 50mm) of existing damaged, crakced, spalled & loose portion of concrete of the RCC members completely till the reinforcement is exposed and sound concrete is observed by using mechanical means and manual chisels and further the surface is cleaned with water jet, again clean the surface with blower to remove all loose fine particles present in the surfaces and making good the corrogated reinforcement by providing reinforcement / welded steel wire fabric for strenthening the structure by welding or tying with MS wire (anealled ) not less than 0.90mm dia where required and removing of dust and loose particles complete all as specified and as directed. Note :- Steel wire mesh/reinforcement shall be measured and paid seperately under respective item in this schedule

M&L for preparation of exposed surafaces of rusted steel reinforcement with metal wire brush , cleaning the rusted surfaces free from loose rust and application of rust remover cum passivator painted with brush to the rusted reinforcement , and removing rust with flex after 24 hours of application of rust remover with the help of wire brush, sand paper and thoroughly washed with water with the help of pressure jet and allowing it to dry complete all as specified and directed. .( Area of cleaned reinforcement steel bar shall be measured for payment.)

M&L for preparation of surfaces of steel of reinforcement by cleaning thruoghly and providing, mixing and applying zinc anti-rust agent as per manufacturers method of application to rebar corrosion protection system to reinforcement Fosroc or equivalent in M/S Sika India Pvt. Ltd. / M / S Choksey Chemicals Pvt. Ltd. / M/S Mapei Const Product India Pvt Ltd. / M/S THermax Ltd / M/S STP / M/S Dr Sunanada / M/S BASFor any other approved manufacturer of E-in-C's branch @3.75Kg/Sqm surface of steel reinforcement in two coats complete all as specified and directed.

Material & labour applying a coat of Polymer modified cementious bonding coat on the concrete surfaces with one part of Styrene Butadiene Rubber latex emulsion (SBR latex) manufactured by M/s Fosroc chemicals or equivalent in M/S Sika India Pvt. Ltd. / M / S Choksey Chemicals Pvt. Ltd. / M/S Mapei Const Product India Pvt Ltd. / M/S THermax Ltd / M/S STP / M/S Dr Sunanada / M/S BASFor any other approved manufacturer of E-in-C's branch with four parts of water and six parts of cement by weight. Coverage of SBR latex-0.25Ltr / sqm for one coat complete all as specified and directed.

Material & laobur for application of polymer modified reinstatement mortar 20mm thick in isolated places of repair works of RCC members with Rendroc S2 of M/s Fosroc make or equivalent in M/S Sika India Pvt. Ltd. / M / S Choksey Chemicals Pvt. Ltd. / M/S Mapei Const Product India Pvt Ltd. / M/S THermax Ltd / M/S STP / M/S Dr Sunanada / M/S BASFor any other approved manufacturer of E-in-C's branch having a compressive strength of 40 MPa complete all as specified and directed.

Supply only welded steel wire fabric exc 3 Kg/Sqm not exceeding 4 Kg/Sqm complete all as specified and as directed.

Supply only deformed or wtisted bars reinforcement bars of any dia complete all as specified and as directed.

M&L for preparation of new plastered surface of wall and applying two coats of oil bound distemper over a one coat of alkali resistant primer primer over a coat of cement based white wall care putty to make the surface even & smooth complete all as specified & directed.

M&L for preparing newly plastered and unplastered surfaces of ceiling and applying three coats of white washing complete all as specified and directed.

Demolition of brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles and removing the debries from the Dockyard premises complete all as specified and as directed.

M&L brick work with sub class 'B' bricks straight or curved in plan exc 6 mtr mean radius built in CM (1:6) using old size bricks complete all as specified and as directed.

Complete removal of existing treatment of old decorated surfaces of walls and applying two coats of oil emulsion distemper over a coat of alkali resistant primer complete all as specified and directed.

SCHEDULE 'A' PART-II [ELECTRICAL WORKS]

Supply, assembling, installation, commissioning and testing of screw chiller, water cooled central air conditioning plant, with semi hermitic compressor comprising of flooded type evaporator, shell and tube type condenser compelte with all equipment and acessories of minimum nominal capacity 90 TR each with IPL value less than 0.48 KW per TR all as per specifications given below, including providing necessary drawings with design conditions as specified below:- (Note:- 1). 4 nos plant of each 90 TR capacity, out of which 03 nos working + 01 no stand by. 2). One no 90 TR capacity plant shall be measured as one unit))

b) Compressors : Semi hermetic screw compresors with minimum loading capacity 15% operating voltage 360-440V, 50 Hz 3 phase AC supply and working with refrigerant R -410 A/ R- 407 / R- 134A c) Condenser section : Shell and tube type condenser internally knurled copper tubes. Non chemical electrostatic with control panel scale preventer of required size and capacity of the condenser water pumping system and including piping & control valve total 04 nos for individual units (d) Expansion Vlave : Electronic expansion valve should be capable enough to operate on wider tempertature range with energy efficient improvement at part load conditions, as per manufacturer's specifications. (e) Evaporator : Flooded type evaporator all as per manufacturer's specifications. (f) Safety protection : Safety protection on low cooling temperature, low oil pressure, high refrigerant pressure, electric leak, compressor over load, high / low voltage and single phasing shall be provided automatic control of refrigerant condition and compressor ON/OFF status and loading sequence shall be provided. (g) Refrigerant : HFC - 134 A/HFC-410/ HFC/407 C of zero ozone depletion potential refrigeration circuits of total capacity as per manufacturer's specifications.

Supply, assembling, installation, testing and commissioning of twin cell induced counter flow type cooling tower with basin, PVC fills, fan motor with impeller, fan motor and gear/ direct drive suitable for 270+10% TR air conditioning central plant complete with all necessary accessories complete all as specified and directed

Supply, assembling, installation, commissioning and testing of chilled water end suction back pull out pumps with mechanical seal, CI body, mounted on common base with electric motor properly aligned for recirulating chilled water for central air conditioning suitable for the 270 TR chiller (closed loop), total head 30 M (Two working and one standby) complete all as specified and as directed.

Supply, assembling, installation, commissioning and testing of condenser water end suction back pull out pumps of suitable capacity with mechanical seal, CI body, mounted on common base with electric motor properly aligned for recirulating condenser water for central air conditioning suitable for the 270 TR chiller (open loop), total head 20 M (Two working and one standby) complete all as specified and as directed.

Supply, assembling, installation, commissioning and testing of double skin floor mounted Air Handling Unit, 23mm +/- 2mm thick puf sandwitch panels outer skin 0.6 mm GI powder coated and inner skin 0.6 mm Plain GI with Air mixing box, filter section consisting of coarse filters capacity of filtering upto 10 microns - EU4 box type, coil section with chilled water- 6 row deep cooling coil, 18 G SS drain tray insulated with 15 mm thick closed cell nitrile rubber, blower section with DIDW forwarded curved/ backword inclined blower, driveset with V belts, taper lock pulleys, TEFC motor with EFF-1/IE-2 rating, common base frame with vibration isolators, flexible canvas connection complete with necessary accessories for installation the unit like antivibration pads, anchoring for 26000 CFM capacity complete all as specified and directed. (Note : - a) Static pressure may vary according to the design b) Strip heater of sutaible capacity for re-heat in monsoon is included in quoted rate.

M&L for 150 mm dia MS 'C' class pipe duly insulated with 18 mm thick (minimum thickness) nitrile rubber covered with aluminum cladding with necessary fittings complete for complete all as specified and directed.

M&L for 100 mm dia MS 'C' class pipe duly insulated with 18 mm thick (minimum thickness) nitrile rubber covered with aluminum cladding with necessary fittings complete for complete all as specified and directed.

M&L for 80 mm dia MS 'C' class pipe duly insulated with 18 mm thick nitrile rubber covered with aluminum cladding with necessary fittings complete for complete all as specified and directed.

M&L for 200 mm dia MS 'C' class pipe duly painted with 3 coat of synthetic enamel paint over a coat of red oxide primer with necessary fittings complete for condenser water piping complete all as specified and directed.

M&L for 125 mm dia MS 'C' class pipe duly painted with 3 coat of synthetic enamel paint over a coat of red oxide primer with necessary fittings complete for condenser water piping complete all as specified and directed.

Supply, installation, commissioning and testing of manual butter fly valve 200 mm dia, rating PN-1.6, cast iron body, SGI (Nylon coating) disc with hand liver operated with necessary flanges and fittings complete all as specified and directed.

Supply, installation, commissioning and testing of manual butter fly valve 125 mm dia, rating PN-1.6, cast iron body, SGI (Nylon coating) disc with hand liver operated with necessary flanges and fittings complete all as specified and directed.

Supply, installation, commissioning and testing of manual butter fly valve 100 mm dia, rating PN-1.6, cast iron body, SGI (Nylon coating) disc with hand liver operated with necessary flanges and fittings complete all as specified and directed.

Supply, installation, commissioning and testing of manual butter fly valve 150 mm dia, rating PN-1.6, cast iron body, SGI (Nylon coating) disc with hand liver operated with necessary flanges and fittings complete all as specified and directed.

Supply, installation, commissioning and testing of manual butter fly valve 80 mm dia, rating PN-1.6, cast iron body, SGI (Nylon coating) disc with hand liver operated with necessary flanges and fittings complete all as specified and directed.

Supply, installation, commissioning and testing of manual cast iron flanged balancing valve 125 mm, rating PN 1.6 with pressure test cocks only in EN 3 stem EN-3 disc and EPDM sealing disc complete all as specified and directed.

Supply, installation, commissioning and testing of manual cast iron flanged balancing valve 100 mm, rating PN 1.6 with pressure test cocks only in EN 3 stem EN-3 disc and EPDM sealing disc complete all as specified and directed.

Supply, installation, commissioning and testing of manual cast iron flanged balancing valve 80 mm, rating PN 1.6 with pressure test cocks only in EN 3 stem EN-3 disc and EPDM sealing disc complete all as specified and directed.

Supply, installation, commissioning and testing of dual plate check valve 125 mm dia, rating PN-1.6, cast iron conforming to IS 210 Gr FG 260 body, SS-410 plates, SS-410 Hinge/stop pin SS 316 springs (S) Buna-N seal to ANSI 125 (Model 11) wafer type.complete all as specified and directed.

Supply, installation, commissioning and testing of dual plate check valve 150 mm dia, rating PN-1.6, cast iron conforming to IS 210 Gr FG 260 body, SS-410 plates, SS-410 Hinge/stop pin SS 316 springs (S) Buna-N seal to ANSI 125 (Model 11) wafer type.complete all as specified and directed.

Supply, installation, commissioning and testingof MS 'Y' strainer 125 mm dia complete with stainless steel bucket having 03 mm perforation, flanged ends, filteration area 1:4 series EYSM - 105 complete all as specified and directed.

Supply, installation, commissioning and testing of MS 'Y' strainer 150 mm dia complete with stainless steel bucket having 03 mm perforation, flanged ends, filteration area 1:4 series EYSM - 105 complete all as specified and directed.

Supply, installation, commissioning and testing of 3 way modulating valve 80 mm dia cast iron body, SGI (Nylon coating) PN 1.6 with actuator ( for AHU) complete with necessary fittings complete all as specified and directed.

Supply, installation, commissioning and testing of drain valve of suitable size complete all as specified and as directed.

Supply, installation, commissioning and testing of auto air vent complete all as specified and directed.

Supply, installation, commissioning and testing of pressure gauge dial of industrial type with SS encloser complete all as specified and directed.

S& F digital type hygrometer with digital LCD display complete all as specified and directed.

Supply, installation, commissioning and testing of PVC make up water tank of 5000 ltr capacity with float valve, shut off valve etc. complete with all necessary accessories including demolition of old RCC tank & removing the debris from Dock Yard complete all as specified and as directed.

Supply, installation, commissioning and testing of PVC make up water tank of 1500 ltr capacity with float valve, shut off valve etc. complete with all necessary accessories including demolition of old RCC tank & removing the debris from Dock Yard complete all as specified and as directed.

M&L for Designing, manufacturing, install and commission testing of cubical type LT cubicle panel board sheet steel enclosures, free standing floor mounting, Indoor type LT Panel confirming to IS – 375 made with 2mm thick CRCA sheet with necessary accessories for operation of Chiller, Cooling tower fans and pumps complete all as specified and directed .( Note: Contractor should submit load calculation, design drawings for panel boards with complete details of accessories for acceptance before starting manufactuing of LT panels to GE. LT panel shall be from any of the CPRI approved manufacturer)

M&L for Designing, manufacturing, install and commission testing of cubical type LT cubicle panel board sheet steel enclosures, free standing floor mounting, Indoor type LT Panel confirming to IS – 375 made with 2mm thick CRCA sheet with necessary accessories for operation of AHU complete all as specified and directed .( Note: Contractor should submit load calculation, design drawings for panel boards with complete details of accessories for acceptance before starting manufactuing of LT panels to GE. LT panel shall be from any of the CPRI approved manufacturer)

Supply, laying and connecting up through cable tray/ wall / UG cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 1100 volts grade with stranded aluminum conductor of size 120 sqmm 3.5 core fixed with necessary cable glands/ lugs etc of suitable size at the terminals complete for Chiller complete all as specified and as directed.

Supply, laying and connecting up through cable tray/ wall / UG cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 1100 volts grade with stranded aluminum conductor of size 50 sqmm 3.5 core fixed with necessary cable glands/ lugs etc of suitable size at the terminals complete for AHU Panel complete all as specified and as directed.

Supply, laying and connecting up through cable tray/ wall / UG cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 1100 volts grade with stranded aluminum conductor of size 25 sqmm 3.5 core fixed with necessary cable glands/ lugs etc of suitable size at the terminals complete for Pumps and AHU connections.& cooling Tower connection complete all as specified and as directed.

Supply, laying and connecting up through cable tray/ wall / UG cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 1100 volts grade with stranded aluminum conductor of size 16 sqmm 3.5 core fixed with necessary cable glands/ lugs etc of suitable size at the terminals complete for strip heater connection complete all as specified and as directed.

Supply & fixing of GI perforated cable trays complete with tees right angle bends, suspenders, fixing accessories etc. (2mm thick x 50 mm height) 300 mm wide complete all as specified and as directed.

Supply & fixing of GI perforated cable trays complete with tees right angle bends, suspenders, fixing accessories etc. (2mm thick x 50 mm height) 150 mm wide complete all as specified and as directed.

M&L for Rolled MS sections of gde Fe 410 - W (Gde - E - 250) quality 'B' as in framing for for supporting of chilled water piping condenser water piping and other support and the like fixed with angle cleats and connecting plates, etc.complete all as specified and directed.

M&L preparation of new or previously untreated steel and iron surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

Supply, fabrication, installation, testing and commissioning and errection of rectangular GI ducting made out from 20 G GI sheet including necessary hanging / fastning arrangement made out of suitable size of MS flat / section including painting to steel and iron surfaces of any description by applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed. (for supply and return air) (Note : 1.Drawing for ducting showing layout , hanging arrangement etc shall be submitted before errection by the contractor. 2.Quoted rate is inclusive of MS section including nuts bolts adjusting screws etc required for hanging of duct and painting on MS frame / MS section.etc 3. Only surface area of duct shall be measured for payment)

Supply, fabrication, installation, testing and commissioning and errection of rectangular GI ducting made out from 22 G GI sheet including necessary hanging / fastning arrangement made out of suitable size of MS flat / section including painting to steel and iron surfaces of any description by applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed. (for supply and return air) (Note : 1.Drawing for ducting showing layout , hanging arrangement etc shall be submitted before errection by the contractor. 2.Quoted rate is inclusive of MS section including nuts bolts adjusting screws etc required for hanging of duct and painting on MS frame / MS section.etc 3. Only surface area of duct shall be measured for payment)

Supply, fabrication, installation, testing and commissioning and errection of rectangular GI ducting made out from 24 G GI sheet including necessary hanging / fastning arrangement made out of suitable size of MS flat / section including painting to steel and iron surfaces of any description by applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed. (for supply and return air) (Note : 1.Drawing for ducting showing layout , hanging arrangement etc shall be submitted before errection by the contractor. 2.Quoted rate is inclusive of MS section including nuts bolts adjusting screws etc required for hanging of duct and painting on MS frame / MS section.etc 3. Only surface area of duct shall be measured for payment)

Supply, fabrication, installation, testing and commissioning and errection of rectangular GI ducting made out from 18 G GI sheet including necessary hanging / fastning arrangement made out of suitable size of MS flat / section including painting to steel and iron surfaces of any description by applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed. (for supply and return air) (Note : 1.Drawing for ducting showing layout , hanging arrangement etc shall be submitted before errection by the contractor. 2.Quoted rate is inclusive of MS section including nuts bolts adjusting screws etc required for hanging of duct and painting on MS frame / MS section.etc 3. Only surface area of duct shall be measured for payment)

Supply, installation, testing and commissioning of 10 mm thick open cell nitrile rubber insulation for duct acoutsic insulation complete all as specified and directed.

Supply, installation, testing and commissioning of 12 mm thick closed cell nitrile rubber covered with aluminum foil for thermal insulation to total ducting complete all as specified and directed.

Supply & fix Aluminum powder coated heavy duty double deflection adjustable type air grills / diffusers with MS volume control dampers for supply air complete all as specified and directed.

M&L Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm burried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of earth plate at a depth not less than 1.5 mtr below ground level connected to galvanised iron or steel earth lead MS flat 32 x 6 mm by means of nuts, bolts, check nuts and washers of galvanised iron or steel, earth wire protected by galvanised iron pipe 50 mm dia (light grade) and connected to main switch board or main control panel as directed and as specified including concrete pit in PCC (1:3:6) type C1 pre-cast RCC cover slab 5 cm thick of size as shown reinforced with 8 mm dia TMT / deformed bars 100 mm c/c both ways including one handle made of 12 mm dia MS bars of length 500 mm, funnel, wiremesh 20 mm bore galvanised iron pipe medium grade for watering, charcoal and salt in alternate layers including necessary earth work complete all as shown in elect plate No. 3 of SSR Part I, complete all as specified & directed.

S & F earthing continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required galvanised strip of sizes 32 x 6mm iincluding taking out old unserviceable GI strip complete all as specified & directed.

Material & labour for PCC (1:2:4), type B1 (using 20 mm graded crushed stone aggregate) as in foundation filling and mass concrete / repairs to damaged floors including necessary form work and finishing the exposed surfaces of concrete fair and even complete all as specified and as directed.

Dismantling and taking out complete central AC plant from the plant room, duct from existing position, AHUs from AHU rooms, cooling tower from roof top, all MS/GI pipes, valves, electric cables and LT panels, removing old foundations complete complete all as specified and directed. (Note:- 1. Unserviceable dismantelled materials will be the property of contractor, for which contractor has to offer credit as per the items mentioned in credit Schedule.Dept has ascertained the rate of each unserviceable item in Credit Schedule. The Bidder shall prepare his own Schedule of Credit where in he will quote the credit rate for each item being offered from his side. The item and quantity as fixed by the department in the Schedule of Credit of tender documents shall not be altered by the bidder in his Schedule of Credit. The rate of credit for individual item shall be taken as higher of the rates as given in departmental Schedule of Credit and that as offered by the bidder. The total amount of Schedule of Credit shall be worked out accordingly and the contract sum shall be arrived at by deducting the amount of Schedule of Credit so worked out from the contract sum in the BOQ. )

Taking down carefully copper / aluminium point wiring (light, fan, socket or power) complete, with fittings & fixtures such as switches, ceiling roses, pendants, regulators, sockets, light fittings etc. removing materials from the site and making good disturbed surfaces of walls, floors, etc., complete all as specified and as directed.

M&L concealed point wiring with 1.5 Sqmm (nominal area), PVC insulated, stranded single core unsheathed FRLS copper conductor cable 1100 Volts grade drawn through with and including concealed PVC regid conduit (heavy duty) with all fittings and accessories of PVC regid conduit (like Tee, bend etc. complete fixed to walls /ceiling etc. with and including 1.5 Sqmm (nominal area) PVC insulated, unsheathed, stranded, single core FRLS copper cable as earth continuity wire connecting to common earth point including supply & fixing of 1.6 mm thick pressed mild steel terminal boxes of suitable size with 3 mm thick PVC / Plastic laminated sheet. top cover, suitable sizes of brass screws and washers etc. for mounting switches, sockets, regulators etc complete for one light/fan/bell/bazzer point controlled by one one way switches complete all as specified and directed. (Note:- Cost of chase cutting for conduit & steel terminal box & making good the disturbed surfaces are included in the quoted rates)

S & F switch piano, flush type, 5/6 Amps, 240 Volts, single pole, one way, conforming to IS complete all as specified and as directed.

M & L Ceiling rose, surface type bakelite, 65X50 mm three terminals, conforming to IS, complete all as specified and as directed.

Supply and fixing LED lights fitting 2X20 W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core of 0.05 sqmm flexible copper conductor cable of suitable size from ceiling rose complete. all as specified and as directed.

Supply and fixing LED luminaire 600 mm x 600 mm, 35/36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling including connecting up with driver with three core of 0.05 sqmm flexible copper conductor cases of suitable size complete all as specified and as directed. (Note:- Cost of Cutting / adjusting of false celing if requires at site is included in the quoted rate.)

Supply and fix LED recessed (4'x1') polycarbonate housing down lighter with superior light output and integral driver, 40 watt complete with fixing spring clip 4 nos, fixed flush to gypsum /grid ceiling including connecting up with driver with three core of 0.05 sqmm flexible copper conductor cases of suitable size complete all as specified and as directed. (Note:- Cost of Cutting / adjusting of false celing if requires at site is included in the quoted rate.)

S&F 50 mm dia steel water tube medium grade galvanised with all fittings and fixed complete to walls, ceilings or laid in floors including taking out old one all as specified and as directed.

Supply and laying 50 mm bore Unplasticized Polyvinyl Chloride (UPVC) pipe of pressure rating of 10kgf / sqcm with all fittings and fixed complete to walls, ceilings or laid in floors including taking out old one all as specified and as directed.

S&F 50 mm dia gun metal globe/gate valve with iron wheel head screwed both ends for iron pipes and fixed in existing position including taking down unserviceable one complete all as specified and as directed.

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