REPAIR/MAINTENANCE TO EXTERNAL WATER SUPPLY AND CONNECTED WORK AT R1, R2, R28, R4, R12 AND R13 AND REPAIR/MAINTENANCE TO EXTERNAL WATER SUPPLY AND ALLIED WORKS AT DW-4, DW-5, DW-6, DW-7 AND REPAIR/MAINTENANCE OF INTERNAL WATER SUPPLY AND CONNECTED

Amount

Supply and fixing in repair Cast iron pipes with spigot and socket ends centrifugally cast class LA conforming to IS 1729:2002, in any length, laid in trenches, on ground, including clamping, nut, bolt, washers and welding work etc of the following sizes complete all as specified and directed :-

300mm bore

250 mm bore

200mm bore

150mm bore

100mm bore

80mm bore

Supply and laying in replacement of spigot and socket ductile iron (DI) water tubing, class K-9, cement mortar lining on inner surface and one coat of bituminous paint over exposed surface ISI marked, IS No 8329: 2000, including rubber joint of suitable size laid on roof/floor/trenches with proper alignment as per site requirement and carryout testing against leakage before filling the trenches etc complete all as specified and directed.

350 mm bore

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

M & L for CI specials confirming to IS -1538, spigot /socket or flanged fitting i.e. bend, tee, collar, flanged/ socket /spigot, Tappers and tails pieces etc suitable for 80/100/150/200/250/300 mm bore pipes (joints and joining material shall be measured and paid seperately)

M & L for DI specials confirming to IS -1538, spigot /socket or flanged fitting i.e. bend, tee, collar, flanged/ socket /spigot, Tappers and tails pieces etc suitable for 100/150/200/250/300/350 mm bore pipes (joints and joining material shall be measured and paid seperately)

M & L for Cutting existing ductile iron (DI) pipes and reducing for insertion of DI fittings to required length in position for following sizes :- Note:- Pipe fittings used shall be measured and paid under relevant items of schedule 'A' remaining items like including nut, bolts, washers, rubber gasket, flanges, T&P, welding works etc required shall be deemed to be included in the quoted rate.

350 mm bore

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

M & L for Cutting existing cast iron (CI) pipes and reducing for insertion of CI fittings to required length in position for following sizes :- Note:- Pipe fittings used shall be measured and paid under relevant items of schedule 'A' remaining items like including nut, bolts, washers, rubber gasket, flanges, T&P, welding works etc required shall be deemed to be included in the quoted rate.

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Excavation in trenches not exceeding 1.5 mtr wide not exceeding 1.5 mtr in depth and getting out in soft/ loose soil all as specified and directed by Engineer-in-Charge.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms in any type of soil all as specified and directed by Engineer-in-Charge.

Demolition of cement concrete (unreinforced) in ground floors and pavings n.exc 15 cm thickness (below or above ground level) and debris out side MD land all as specified.

M&L cement concrete 1:2:4, type B-2 (using 40 mm graded stone aggregate) as in support of CI pipes, foundation and hardstanding finishing even and fair without using extra cement all as specified.

Removing excavated material exc 250m but n.exc 500m and depositing where directed all as specified and directed by Engineer-in-Charge.

Supply & fixing in repair Sluice valves (ISI marked) flanged end, cast iron body, flanged and drilled and rising type steel spindle with nut, long body, class PN 1.6, conforming to IS14846 of 2000 for following sizes in any position/location including all flange joint with rubber or fiber board gaskets, bolts, nuts, washers, welding etc complete including pumping out accumulated water all as specified and directed of following sizes :- Note:- For Additional manpower, welding, chipping, plastering and any other item required for replacement of the item including making good the disturbed surfaces are deemed to be including in the item rate and no extra payment will be claimed by the contractor to the work.

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Taking down/Removing in old plasters, broken bricks, PCC, MS Chanel, MS Plate & debries inside the valve chamber in repair/maintenance of existing brick masonry valve chamber of size 1.2 x 1.2 x 1.2m (internal dimension) (above GL 0.30 mtr), 15cm thick foundation using PCC 1:4:8 type D-2 over 15cm thick hardcore of broken stone, 23cm thick brick walls built in cement and sand mortar 1:4, 15mm thick internal and external plaster including top of floor in cement and sand mortar 1:3, 15mm thick, finished even and smooth, without using extra cement, 5 mm thick MS plate cover over complete chamber on 50mm x 50mm x 6mm MS angle frame embeded in PCC 1:2:4 type B-1coping, having rectangular, hinged, opening of size 150 x 100mm with locking arrangements, hold fasts, etc, applying one coat of red oxide primer and two coats of synthetic enamel paint to all steel surfaces and earth work in any type of soil including disposal of debris outside MD land complete all as specified. Note :- Rates for removing of old plasters, broken stones/bricks, PCC of any type, earth work, M S Chanel, MS Plate e.t.c are deemed to be inclueded in the quoted rated.

Attending the water supply breakdowns of any size/type of pipes in any position/location/depth including necessary excavation, earth work, cutting of pipes, welding, replacement of pipes of any nature, flanges, bends, collars, nut bolts, gasket, run lead joint or any other items required for rectification of break downs, testing and making good to the disturbed surfaces after rectification complete all as specified and directed for the following size of pipe lines :- Note :- (a). Items like run lead joint, CI/DI/MS fittings or pipes, Gasket shall be measured and paid separately under relevant item of schedule 'A (b). Remaining items are shall be deemed to be included in the item rate and no extra payment shall not to be claimed for the completion of break down. (c). After hand over of complaint, contractor shall complete the break down within 6 hrs or other wise panel recovery shall be made 2500/- per breakdown

350/300 mm dia CI/DI/MS pipe line

250/200 mm dia CI/DI/MS pipe line

150/100 mm dia CI/DI/MS/GI pipe line

80 mm dia CI/DI/MS/GI pipe line

Material & labour for run lead joint in repair with pig lead to repair the joints for following sizes of pipes :-

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Material and labour for rubber gasket joint including nut, bolt, washers etc of following sizes complete all as specified and directed

350 mm bore

300 mm bore

250mm bore

200 mm bore

150 mm bore

100 mm bore

Supply/ Fixing in repair/replacement of steel water tubing, galvanised, Medium grade with all fittings in shafts such as nipple, union, socket, elbow, bends, fixed to wall including necessary & capacity up to 15 th floor in high rise buildings in short piece/length, including breaking the existing brick wall for replacement of corroded GI pipe in/on wall and making good the disturbed surfaces complete all as specified and directed by Engineer-in-charge.Note (1) Work to be carried out in high rise buildings (G+14 Floor), plain wall or in shafts or in terraces/trenches or inside the flats for cutting the existing GI pipe line and replace the same with new GI pipe in short piece of full length. (2) Rate of scafolding in high rises building up to 15th floor and terrece including clipping of GI pipe shall be included in quoted rates

25 mm bore

40 mm bore

50 mm bore

80 mm bore

15 mm bore

20 mm bore

Supply and fixing in repairs in existing line, gun metal gate valve with iron wheel head screwed both ends for iron pipe including fittings i.e. union, socket etc complete all as specified of following sizes :-

25 mm bore

40 mm bore

50 mm bore

80 mm bore

15 mm bore

Supply and fixing Compound girders and stanchions, lattice girders, aerial masts, staging for water tanks and the like including caps, bases, splices etc. built up from two or more beam or channel sections or angles with plates, including all lattice bars, stiffeners, gusset plates, of size Fe 410-W(GdeE- 250) quality A or all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs PVC water storage Tank with cover 3 layer, ISI marked, pure anti microbail round type and making connections including replacement of new GI fittings i.e. tank nipple, washers, float valves and Gate valves and Pipes for connecting the existing Inlet/delivery lines, testing complete all as specified and directed for the following capacity :- Note:- Gate valves and GI pipe only shall be paid under relevant item of Schedule 'A' remaining items shall be deemed to be included in the item rate.

5000 Ltr capacity

3000 Ltrs capacity

2000 Ltr capacity

1000 Ltr Capacity

Supply and fixing in repair foot valve (ISI marked) threaded type or flanged type in existing location or new position or location in the sump of any capacity including making of flanged joints, nut bolts washers rubber gasket welding work flange joints etc and repair making good to existing PCC surface of following sizes :-

80 mm bore

150 mm bore

200 mm bore

250 mm bore

300 mm bore

Supply and fixing in repair of Non return valve (ISI marked) confirming to IS 5312-1(2004) including nut, bolts, washer, flanges, gaskets, wleding works etc of the following sizes :-

300 mm dia

250 mm dia

200 mm dia

150 mm dia

100 mm dia

Supply and fixing in repair of Butterfly valve (ISI marked) confirming to IS13095: 2020 including nut, bolts, washer, flanges, gaskets, wleding works etc of the following sizes :-

250 mm dia

200 mm dia

150 mm dia

100 mm dia

80 mm dia

Material and labour for all bacteriological and chemical analysis of water sample (as per CPCB/NGT norms) at govt approved lab (Iso 9001:2008)including collecting sample from pumphouse using labed owned sample jar and testing every month all directed and specfied by Engineer-in-charge

Taking out existing unserviceabe lid cover of PVC water storage tank and supply/Fixing FRP lid cover on existing PVC tank including complete accessories for closing and locking arrangement as per BMC Specification. Suitable for :

5000 Ltrs PVC tank

3000 Ltrs PVC tank

2000 Ltrs PVC tank

1000 Ltrs PVC tank

Supply and fixing in repair MCCB with thermal adjustment of 0.8 to 1In and magnetic adjustable 5 t0 10 In and Ics=100% of Icu and repacing burnout copper spreaders of suitable size including nuts and bolts and fixing to existing panel including necessary alternation to existing busbar and panel all as specfied and directed by Enginner-in-charge

MCCB of 630A, 50 KA, 3P

MCCB of 400A, 36 KA, 3P

MCCB of 320A, 36 KA, 3P

Supply and fixingin repair, laying in repair, 6 core 1.5 sqmm armoured cable with copper conductor on wall/trench including suitable size lugs, T&P making good distrubed surface as per existing all as specified and directed

Supply and fixing in repair, laying in repair, 4 core 1.5 sqmm armoured cable with copper conductor on wall/trench including suitable size lugs, T&P making good distrubed surface as per existing all as specified and directed

Supply and fixing in repairs MS ERW pipe heavy grade, ISI marked for suction and deliver for pump including necessary fittings, flanges, welding, and providing necessary PCC support, pipe may lay in trenches or fixed on wall, make a arrangement to frame the pipe in shape as requred on site by cutting and welding in peases painting with one coat of red oxide primer & two coat of synthetic enamel paint all as specfied and directed by Engineer-in-charge of following sizes :-

300 mm bore

250 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

Supply and fixing in repair bronze pressure reducing valve suitable for 25 mm bore GI pipe with diaphram cover, spring clamps, cast iron body scatting and adjustable screws and stop valve of chromium plated carbon steel strainer, screw of stain less steel for domestic water supply, suitable for inlet pressure as per IS-7939, including GI pipe connection as required, the work to be carried out from G+14 floor on plain wall with necessary scaffolding complete all as specified and directed by Engineer-in-Charge.

Scrapping of paint complete pump and motor, base frame and accessories complete including making new synthetic enamel paint of two coats over a coat of red oxide primer of motor of capacity 15 HP to 75 HP complete all as specified and directed.

Rubbing with emery papers for removing of rusting material on fire fighting Pipe lines, fittings, motors, pumps, cabinet boxes, valve chamber covers, fire brigades and other items relating to complete fire fighting system in buildings up to (G+15 floors), cleaning and painting with two coats red colour synthetic enamel paint over a coat of red oxide primer complete all as specified and directed

Supply & fixing in repair of PVC (LLDPE) rectangular loft tank of net capacity 275 Ltrs with gross capacity of tank at least 5% in excess of minimum net capacity including 03 Nos adopter with washer for inlet/outlet overflow pipe as per manufactureres instruction and overall dimension as 995-1200mm length, 620-820mm width 285-485mm height, 300mm internal dia of hand hole, minimum wall thickness 2.75mm ( weight of tank 11 Kgs) with lid cover complete all as specified and directed by Engineer-in- Charge.

Supply and fixing in repair/replacement PVC profile suitable for 275 ltrs loft tank including fixing of aluminium channel around the profile complete all as specified and directed.

Supply, fixing and laying in repair of CPVC pipes 15mm nominal bore SDR 11 & Plain CPVC SDR 11 fittings such as nipple, union, socket, elbow, bends, tee, adopter e.t.c fixed to wall/floors/ceiling including work to be done up to 15 th floor in high rise buildings and low rise buildings in short piece/length all as specified and directed by Engineer-in-charge.

Same as item no 35.00 but of 20 mm nominal bore

Supply and fixing in repair concealed CP cast copper alloy stop valves, cast copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends suitable for GI tubing 15mm dia bore or 20 mm outer dia CPVC pipe including necessary fittings, clamp & saddles all as specified .

Supply and fixing in repairs angle cock for GI tubing 15 mm dia or 20 mm outer dia CPVC pipe including necessary fittings, clamp & saddles etc all as specified.

Supply and fixing in repair CP cast copper alloy stop cock, screwed down with crutch or butterfly handle suitable for GI tubing 15 mm dia bore or 20 mm outer dia CPVC pipe including necessary fittings, clamp & saddles all as specified .

Supply and fixing in repairs CP cast copper alloy bib tab, with crutch or butterfly handle screwed both ends for GI tubing 15 mm dia bore or 20 mm outer dia CPVC pipe including necessary fittings, clamp & saddles all as specified .

Dismantling of existing connection and taking out pressure reducing valve of size 25 mm bore cleaning servicing and refixing at existing location in high rise buildings (G+14) including provision of fittings, i.e. union, elbow, bend, nipple, etc complete to make the line functional all as specified. Note:- (a) All safety measures shall be taken by the worker/plumber while carrying out the work. (b) Rate of scaffolding shall be included in the quoted rate.

Supply and fixing in repair brass float valve (ISI marked) high pressure with polythelene float (flat) and fly nut complete screwed for GI pipe 15mm bore including necessary GI fittings such as elbow, reducer, nipple etc.

All as per item No 42.00 above but for GI pipe 20 mm bore

All as per item No 42.00 above but for GI pipe 25 mm bore

All as per item No 42.00 above but for GI pipe 40 mm bore

M& L for Cleaning of loft tanks of capacity 275 ltrs in existing position by mechanised pressure, cleaning using PVC tank cleaning solution and draining out the water by wet vaccum pump, rinsing with clean drinking water and providing sticker showing the date of cleaning complete all as specified. Note: Any damage to pipe and PVC tank during cleaning shall be made good by the contractor at his own cost.

S&F in repairs shower rose Brass CP 125mm dia swivel type suitable for 15mm bore GI tubing

S&F in repairs Shower arm 15 mm size, 195mm long with bend of 45 degree with flange of PTMT (min weight 40 gms) any colour complete all as specified and directed

Taking down GI tubing fixed to wall at location cleaning and refixing the same with clamping by suitable size of MS clamp, nut, bolt, washers on wall/floor/shaft of bldg including provision of necessary fitting in high rise building (G+14 stories) for the following:- (a) All safety measures shall be taken by the worker/plumber while carrying out the work. (b) Rate of scaffolding shall be included in the quoted rate.

15 mm bore

20 mm bore

25 mm bore

40/50 mm bore

Material & labour Checking of over head tanks of any capacity, making arrangement of mosquito proofing of the tank from overflow side with new GI tank nipples, socket, barrel nipple, elbow, MS wire net, locking the existing tank cover to avoid entry of lizards, mosquitos inside the tank, tightening of all inlet and out let connections to make the tank no leaking of water complete all as specified Note: Rates are deemed to include cost of wiremess, birebed wire, nut, bolt, washer for titghtening of lid cover and anti-mosquto net proofing.

Supply and fixing Fire extinguisher water CO2/stored pressure type 9 ltr capacity (IS:15683) complete.

Supply and fixing Fire extinguisher Dry chemical powder type (ABC), 6 Kg (IS: 15683) capacity complete.

Supply and fixing Fire extinguisher CO2 4.5 Kg capacity (IS-15683) complete.

Disconnecting carefully water and electric connection from storage type gyser of 25 ltrs capacity of any make and dismantling for repair/maintenance by taking out siphon /geyser assembly, thermostat, heating elements, indication lamps and all necessary accessories and cleaning, de-scaling the inner tank by de-scaling chemical compound including soldering, brazing the inner tank if required, re-assembling the geysers after cleaning & servicing including replacement of flexible 3 core cable of size 2.5 sqmm with copper conductor up to 1.5 mtr long and refixing in existing position complete all as specified and directed. Note :- (i) Heating element, thermostat, indication lamp, safety valve & Siphon/geyser assembly shall be measured and paid under relevant items. (ii) The rate quoted is deemed to include the cost of soldering /brazing/control wiring of geyser, air release valve and glass wool supirior quality if required.

Supply and fixing in repair heating element of capacity of 1500 Watts (triangle type/circular type) for 25 Ltr geysers.

Supply and fixing in repairs of Thermostat suitable for 25/50 ltrs capacity water storage geyser with automatic thermal cut out fixed in repair and including testing, complete all as specified.

Supply and fixing in repairs of copper Geyser / siphon Assembly with rubber paking for 25/50 ltrs capacity water geyser with automatic thermal cutout fixed in repair and including testing, complete all as specified.

Supply and fixing in repairs of Safety valve for geyser chromium plated brass 15 mm dia all as specified and directed.

Supply and fixing in repairs of indication lamps suitable for 25/50 ltrs water storage geyser all as specified and directed.

Taking down of inner water storage tank and supply and fixing in repairs of inner copper water storage tank of capacity 25 ltrs of brass all as specified.

Taking down unserviceable PVC conncetions for cold and hot water of geyser and supply and fix new PVC flexible connection pipe heavy duty 15 mm size with PTMT nuts on both ends of length 450 mm with two washers, suitable for cold water connection to geyser all as specified and directed.

Attending, repair of internal and external water supply complaints in old/New Navy Nagar area, repair / removal of airlock, tightening of leaking pipes/valves inside or outside the bldgs, repair to concealed/open pipe line, Complaints of Raw water pipe line and fittings and other work pertains to internal water supply all as directed. Note:- (a) Complaints should be taken from complaint cell or also through telephone by JE E/M and AGE W/S by your representative every day including sunday and holiday. (b) Complaints should be attended immediately and shall report the JE E/M / Engineer-in-charge after completion within 6 Hours. (c) In case the nature of job is such that the work cannot be completed within a period of 6 hours then the same shall be brought to the notice of the GE/Engr-in-charge and the period for the completion of the complaints shall be decided by the GE/Engr-in-charge. (d) Contractor representative /Engineer will report to JE E/M in charge or AGE E/M at forenoon and afternoon daily to collect routine urgent works till completion of the CA . (e) The transportation /T&P required for the work shall be arranged by the contractor and no extra cost will be paid for the same. (f) Contractor should provide regular team attending complaints. (g) The labour for the New itemes which are 'Supply and fix' type, will not be paid under this item. (h) The work to be carried out from G+14 floor on plain wall with necessary bamboo scaffolding complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs of CP mixer 3-in-1 system with provision for both hand shower and overhead shower complete with 115 mm long bend pipe, connecting legs & wall flanges type for mixing hot & cold water screwed down for iron pipe and fixed all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs PVC bib tap with crutch or Duro or butterfly handle screwed both ends suitable for GI tubing/CPVC pipe 15 mm dia bore or 20 mm outer dia CPVC pipe including necessary fittings, clamp & saddles (Minimum weight 15mm-90gms/20mm 125gms). complete all as specified and directed by Engr-in-Charge.

S& F in repair 3-layer PP-R Polypropylene random copolymer) pipes green and blue colour SDR 7.4 & SDR 11 UVstablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded Polypropylene random fittings fixed complete to walls, ceilings or in floors or shaft of building up to G+15 all specfied and directed by Enginner-in-charge of following sizes:- etc.

Supply & fixing in repair 3-layer PP-R Polypropylene random copolymer) gate valve with iron wheel head screwed both ends for iron pipe including fittings i.e. union, socket etc complete all as specified of following sizes:- Note: Work will be executed in building upto G+14 floors

Cleaning of PVC and RCC water storage tank in high rising buildings(G+14) by mechanical high pressure spray and remove all foreign matter completly and soaking out the water/dirt with a high pressure wet vaccum pump and removing spoils out side of MD land and complete all as specified and as directed by Engineer-in-charge . Note: Rate include the painting of two coats of enamal paint with visible colour about date of cleaning and due date for cleaning complete all as specified.

Over head Tank of capacity 5000 Litres

Over head Tank of capacity 3000 Litres

Over head Tank of capacity 2000 Litres

Over head Tanks of capacity 1000 Litres

Material and labour for repairs necessary fittings, clamp & saddles, washers, tools and other pitty repairs including necessary fittings, clamp & saddles, washers for various CP cast copper alloy bib tab/stop valve/angle cock/shower/CP mixer 3-in-1 system complete all as specified and directed by Engr-in-Charge.

P LAXMI AND CO. (BID ID -3275017)

Shetty Construction Co (BID ID -3274270)

R J ENTERPRISES (BID ID -3275116)

Shree Ayyappa Engineering (BID ID -3273149)

Chakshu Enterprise (BID ID -3274944)

sapana enterprises (BID ID -3274947)

S. C. Mangla and Co. (BID ID -3275120)

R.C. Magla and Co. (BID ID -3275065)