REPAIRS/MAINTENANCE OF CORRODED WATER PIPELINES OF VARIOUS SIZES, CLEANING OH AND UG SUM AND OTHER MISC ITEMS AT AF STN BHUJ

Amount

Excavating in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre deep and getting out in soft/hard soil for pipe trenches all as specified and as directed. ( Note - Trenches shall be excavated for water supply pipe lines all as detailed under MES Schedule Part-I clause 18.42 to 18.42.6). complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm of soilsc complete all as specified and directed by Engineer-in-Charge.

Removing excavated soil to a distance n.exc. 50 mtr and depositing where directed at a level n.exc. 1.5m above the starting points complete all as specified and directed by Engineer-in-Charge.

Taking up/down existing old UNSV CI/DI/GI/UPVC/CPVC tubing alongwith fixed connections and fittings like sluice valve, gate/globe valves, stop valves from walls and ceilings trenches,under floor or road, complete all as specified and directed by Engineer-in-Charge of following sizes : -

300 mm bore

200 mm bore

150 mm bore

100 mm bore

80 mm bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

15 mm bore

Material & labour for galvanised steel tubes"medium grade" (ISI marked) with all fitting(ISI marked) and fixed complete to walls and ceilings or laid in floor/trenches and under road, complete all as specified and directed by Engineer-in-Charge of the following size:-

100 mm bore

80 mm bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

15 mm bore

Supply & laying UPVC pipes with all fittings and fixtures laid in trenches,fixed complete to walls and ceiling or laid in floor complete all as specified and directed by Engineer-in-Charge of following size:-

80 mm bore

50 mm bore

40 mm bore

25 mm bore

20 mm bore

15 mm bore

Supply and laying CPVC pipes of pressure rating 10Kgf/sqcm class 2 (SDR 13.5) with fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc., as required at site on walls, ceilings and in floors complete all as specified and directed by Engineer-in-Charge of following size:-

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Labour only for attending day to day external water supply complaints of all nature i.e leakage in water supply pipe lines, fitting/fixture, no water supply, taking out water from trenches during repair including noting the complaints in complaint register complete all as directed. Note for Srl Item No.8.00 (i) Cutting of existing pipe and making threading for repair/replacement of U/S fittings etc.pipe in short lengths upto 1 meter pipe or addition/alteration of the size 15 mm to 50 mm bore of pipe.Replacement of above GI pipe and including fittings like tee,Elbow/Sockets/union/nipple/CTT joints etc and making servicable including necessary excavation as reuired complete all as specifed and directed (ii) The complaints shall be attended and the defects shall be rectified by a team of expert and experienced plumber as applicable assisted with adequate No of helpers as directed. (iii) The complaints shall be attended and defect shall be rectified within 08 hrs commencing from date and time of notifying the complaint failing which a penalty @ Rs 50/- per complaint per day (08 hrs) shall be levied upon/imposed on the contractor and recovery shall be made from contractor's dues.Contractor rep shall be available wef 0800 hrs to 1700 Hrs to receive and notify the complaint. (iv) In case, after checking and attending the defect, it is not possible to rectify the defects within 08 hrs the facts shall be brought to the notice of Engineer-in -charge by the contractor /his rep . If Engineer -in-charge is satisfied with contractors view, no recovery will be made. (v) No extra payments shall be made for dewatering. (vi) All T & P required for attending the complaints shall be provided by the contracor. (vii) The pipe fitter shall always be in possession of die set complete with cutters , Taps , Pipe wrench, Chain wrench,Hexsaw,complete set of spanners,hammer and ladders etc, as required at site.

Material & labour for gun metal gate valve/forged valve with iron wheel head,screwed both ends for jointing iron pipre,non rising,forged brass spindle class-1,IS-778 marked complete all as specified and directed by Engineer-in-Charge of following size:-

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply & fixing UPVC gate valves, screwed/plain both ends for iron/pvc pipe complete all as specified and directed by Engineer-in-Charge of following size :-

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply & fixing CPVC gate valves, screwed/plain both ends for iron/pvc pipe complete all as specified and directed by Engineer-in-Charge of following size :-

20 mm bore

25 mm bore

Supply & laying ductile iron (DI) pressure pipes with spigot and socketed ends, class K-7 , ISI marked (IS 8329-2000), internally lined with cement mortar as per IS 8329-2000, externally coated with Zinc 130gsm and finishing layer of bitumen (70 microns) as per IS 8329-2000, jointing with and including rubber gasket joints; including fixing of fittings with and including suitable jointing material, complete all as specified and directed by Engineer-in-Charge of following sizes:- (Note-Supply only fittings like bends, tapers, etc. shall be measured and paid for separately under item No 13 here after)

300 mm bore

200 mm bore

150 mm bore

100 mm bore

Supply only DI fittings like bends (any type, radius and angle) tapers any type (straight /bend, increasing, decreasing or double socket etc) Tee pieces single branch 'Y' junction, double branch cross, collars, caps & plugs for size upto 300mm bore of DI pipe complete all as specified and directed by Engineer-in-Charge.

Supply & fixing in repair MS saddle piece made out of MS flat iron 50x6mm complete with GI socket welded it on one FI strip suitably positioned at the centre of pipe complete with MS nuts, bolts, washers (02/04 Nos) and rubber packing for branch connection complete all as specified and directed by Engineer-in-Charge for following sizes of pipe :- (Note. Excavation and earth work shall be included in the quoted rate)

80 mm dia

100 mm dia

150 mm dia

Material & labour for MS clamps ( including excavation and earth work) made out of MS sheet 3mm thick, cut to size and bent to shape to cover the 50 to 250mm dia DI/CI/GI pipe externally in two pieces of required length , with 2/4 holes each for clamping bolts, nuts & washers , to cover the hole on DI/CI pipe, alongwith ruber gasket of size 6mm thick of required for arresting the leakages complete all as specified and directed by Engineer-in-Charge for following sizes of pipe :-

80 mm dia

100 mm dia

150 mm dia

200 mm dia

300 mm dia

Material & labour for welding work of existing MS/CI Pipe line,jointing,welding pf pipe line incl if required material such as, Tee, long/short MS bend coupler,flange , nuts ,bolts,washer ,rubber gasket kit as per existing size of pipe,exc ,earth work complete etc. Testing & commissining of pipe line after repair complete all as specified and directed by Engineer-in-Charge.

Material & labour for replacement of existing long/short MS/GI bend with flange , nuts ,bolts,washer ,rubber gasket kit ,jointing, with existing pipe line/ motor pump including welding work complete all as specified and directed by Engineer-in-Charge of following size:-

80 mm bore

100 mm bore

Supply & fix in replacement cast iron body foot valve ISI marked with flanged ends incl taking down existing of unserviceable foot valve from UG Sump of any capacity and replace with MS bolts, nuts and washers, complete all as specified and directed by Engineer-in-Charge of the following :-

50 mm bore

100 mm bore

80 mm bore

Supply & fix in repalacement of Non Return Valve class PN 1.6 of undermentioned type and size with cast iron body and both ends flanged,IS-14846 marked complete with neoprene rubber gasket,jointing material and incl nuts/bolts/washer of suitable size etc complete all as specified and directed by Engineer-in-Charge of the following :-

80 mm dia bore

100 mm dia bore

150 mm dia bore

Material & labour for repairing cast iron sluice vlave flanged type of any make by dismantling the valve. Replacing the bolt, nuts, washers, gaskets, wedgenut etc and resembling and refixing the same in position including replacing the wornout gland packing & testing and make good complete as specified and directed by Engineer-in-Charge for sluice valve of folliwing sizes:--

Sluice valve 80mm bore

Sluice valve 100mm bore

Sluice valve 150mm bore

Sluice valve 200mm bore

Sluice valve 250mm bore

Sluice valve 300mm bore

Supply & fix in replacement cast iron sluice valves with flanged ends, class I PN 1.6, heavy duty, ISI marked, drilled type, non raising type, IS-14846-2000 mark, including iron wheel, stainless steel spindle, complete with suitable rubber insertion 3mm thick at both ends with and including nuts, bolts and washers, fixed with and including suitable joints; fixing & jointing connected fittings like tapers,etc. including suitable jointing material complete as specified and directed by Engineer-in-Chargefollowing size of pipes :-

80mm bore

100mm bore

150mm bore

200mm bore

250mm bore

Fixing Only cast iron sluice valves with and including suitable rubber insertion 3mm thick at both ends, nuts, bolts and washers, fixing & jointing connected fittings like tapers,etc. including suitable jointing material complete all as specified and directed by Engineer-in-Charge of following size of pipes :- Note: Sluice valve of under mentioned size shall be issued from MES Stores free for fixing only.

80mm bore

100mm bore

150mm bore

200mm bore

Material & labour for preparing old painted surfaces of existing water supply/distribution installation equipments i.e. centrifugal pump sets including motor, electric panel board, suction and delivery pipe line complete and applying double coat of spray painting of synthetic enamel paints complete all as specified and directed by Engineer-in-Charge at following locations ;- (i) Temple view pump house (ii) Narmada pump house and filter plant (iii) Phase-III pump house (iv) Pechora pump house (v) BP sump pump house (vi) 308 TRU pump house (vii) Junction point pump house (viii) Petrol pump pump house (ix) Kukma pump house (x) Dhorava pump house (xi) Ghada pump house (xii) Sewage treatment plant CWE colony (xiii) Sewage treatment plant Domestic area (xiv) Swimming Pool

Material & labour for cleaning of RCC over head tank (at staging of 17 to 21 mtr) from inside by taking out all deposits sludge/mud, scrapping from bottom, wall & top; washing thoroughly after cleaning with bleaching powder and making ready for use including writing of date of cleaning with white paint on black base as per existing size of letters complete all as specified and directed by Engineer-in-Charge for the following capacities :- (Note:- Cost for dewatering the OHRs by opening gate of sluice valve to be taken in account while quoting the rates. No extra payment will made on this accoount.)

75,000 Gallons

50,000 Gallons

25,000 Gallons

Material & labour for cleaning of UG sump from inside by taking out all deposits, sludge & mud; scrapping from bottom, wall & top; washing thoroughly after cleaning with bleaching powder and making ready for use including writing of date of cleaning with white paint on black base as per existing size of letters complete all as specified and directed by Engineer-in-Charge for the following capacities :- (Note:- Cost for taking out water from the UG sumps, whatever the quantity it may be by diesel engine pump & / or manually shall be taken in account while quoting the rates. No extra payment will made on this account.

Supply & fix in replacement PTMT Ball valves, high pressure, with epoxy coated aluminium rod and high density plastic ball and fly nut complete, screwed for iron/GI pipe or brass ferrule complete all as specified and directed by Engineer-in-Charge following size of pipes :-

25 mm bore

20 mm bore

Supply & fix in repairs Bib taps, cast copper alloy with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule of size 15 mm bore complete all as specified and directed by Engineer-in-Charge

Supply & fix in repair Bib tap standard of PTMT any colour high pressure screwed for iron pipe and fixed, screwed down, screwed for iron pipe of size 15 mm bore complete all as specified and directed by Engineer-in-Charge

Material & labour for cleaning away all grass vegetation, scapling shrubs bushes under groth roots and trees upto zero level not exceding 30 cm grith and removing rubbish upto distance of 50 mtr out the periphery of BP Sump Pump House area under cleaness complete with tractor/JCB plants complete all as specified and directed by Engineer-in-Charge. (Note:-Contractor must vsited the site before quoted the rate)

Supply & fix in replacement of cast iron air release valve (ARV) wirh single air outlet,conforming to IS 14845 of size 50 mm dia bore and fixing up in cast iron water supply mains of size 50mm dia complete all as specified and directed by Engineer-in-Charge.

Supply & fix in replacement of cast iron air release valve (ARV) wirh double air outlet,conforming to IS 14845 of size 50 mm dia bore and fixing up in cast iron water supply mains of size 50mm dia complete all as specified and directed by Engineer-in-Charge.

Supply & fix in replacement of cast iron Air Release valve(ARV) wirh double air outlet,conforming to IS 14845 of size 80 mm dia bore and fixing up in cast iron water supply mains of size 50mm dia complete all as specified and directed by Engineer-in-Charge.

Supply,fixing and testing and replacement of electronic chemical dosing (pump) unit electrically operated suitable for calcium hypo chlorite self primary dosing range 500 ML/Hr to 5000 ML/Hr complete all as specified and directed by Engineer-in-Charge.

Material & labour for replacement of MS valve chamber cover including of unsv MS sheet cover 3 mm thick with angle iron frame of size 50x50x6 mm,double door type with locking arrangement ,hinghes,hook, welding work and applying one coat of synthetic enameled black paint after appying one coat of red oxide primer complete all as specified and directed by Engineer-in-Charge. Note:- The rate quoted the cost of Angle iron frame embaded in PCC of layer upto 200mm.

Material & labour for construction of valve chamber with MS sheet cover 3 mm thick with angle iron frame of size 50x50x6 mm, double door type and with locking arrangements including excavation and earth work in any type of soil, PCC (1:4:8) type D2 as in foundation, PCC benching 1:2:4 type B-1, PCC (1:5:8) block masonry 20 cm thick in cement mortar (1:6), 10 mm thick plastering in CM 1:4, PCC bed in (1:3:6), painting one coat of red oxide and two coats of bituminous black paint on all steel surfaces all as specified and as directed of size 1050 mm x 750 mm x 1000 mm type C (internal dimensions) complete all as specified and directed by Engineer-in-Charge. (Note:- Rate of above item shall include the cost of demolition of existing valve chamber).

Supply & fix in replacement of digital water level indicator,display unit in red 7 segment LED display 4 digit of sumps and OH reservoirs complete all as specified and directed by Engineer-in-Charge.

Opening of gravity type sand filter installed at Temple view pump house including taking out carefully filter media completely of different sizes , cleaning the filter walls, pipes and other accessories with wire brush & bleaching powder and cleaning throughly with clean water and applying of two coats of white wash on inside walls of sand filter bed, replace the filter media carefully, assemble complete unit and testing complete all as specified and directed by Engineer-in-Charge. Note : Supply only filter media i.e. pebbles and filter sand will be measured and paid separately under respective item.

Supply only multi grade gravel and sand for gravity type sand filter (for Sl No. 37 above) comprising complete all as specified and directed by Engineer-in-Chargeof sizes as under :- (i) Gravel 50 - 40 mm lowermost layer (From bottom Thickness of layer 150mm) - 3.6 tons. (ii) Gravel 40 - 20 mm (Thickness of layer 70mm) - 2.2 tons. (iii) Gravel 20 - 10 mm (Thickness of layer 70mm) - 2.2 tons. (iv) Gravel 10 - 5 mm (Thickness of layer 60mm) - 1.5 tons (v) Gravel 5 - 2 mm uppermost layer (Thickness of layer 50mm) - 1.5 tons (vi) Effective size of sand - 0.45 - 0.7mm (Thickness of layer 600mm)-32 tons Uniformity coefficient of sand 1.3 - 1.7mm. Note : The qty of pebbles & sand mentioned above are Appx qtys and the same may vary as per site condition & No claim shall be entertained on account of variation in Qty of above items.

Supply and provide calcium hypochlorite for water treatment following generic specification and specification complete all as specified and directed by Engineer-in-Charge:- Generic Specifications:- (a) Common name:- Stable Bleaching Powder/ High strength Bleaching Powder (b) Description/Apperance:-Dry free flowing and free from lupms (c) Toxic & Undesirable Substance :-Should not induce substance beyond accepeted limit as given in IS 10500(2012) in treated and disinfected. (d)Packing:- 20-25 Kg bags/40-45 kg Durms.Packing in drums is preferable to reduce fire hazard in places of high ambient temperature. Specification:- (a) Available Chlorine - 65 % (b) Stability-1/15Max (c) Particle size(passing through 1.70mm IS sieve-99.5 % (d) water insoluble matter-6% Max (e) Calcium Hydroxide-4% Max (f) Sodium Chloride -15 % Max Note: Test Certificate each batch of chlorine to be submitted at the time of delivery.

Supply & fix in replacement 5000 Litre capacity Rotational moulded polyethylene water storage tanks three layered (cylindrical vertical with closed top) ISI marked, hoisted & fixed in position & making necessary arrangements for fixing inlet, outlet & over flow pipe & provision of wash out pipe including disconnecting & taking down the existing water tank complete all as specified and directed by Engineer-in-Charge.

Material & labour for servicing of RO plant installed at temple view pump house complete for trouble free operation by checking of all parts, cleaning and backwashing of filter media of all units/ membranes, arresting of leakages and checking quality of water and keeping the plant in serviceable condition to provide the acceptable quality standard parameters as required complete all as specified and directed by Engineer-in-Charge. Notes: (a) Servicing shall be carried out through authorised service dealer. (b) Any fittings and parts are required to make the plant servicable shall be included in the quoted rate.

Material & labour for cleaning of RO plant, cleaning of membrane with citric acid, testing of water flow rate, testing of all equipments,testing of water, reassembling the membrane in its original position, complete all as specified and directed by Engineer-in-Charge. (Note:- Cleaning of RO plant will be carried out twice in every months and date of cleaning should be written in white letters on black back ground as directed by Engr-in-Charge)

Supply & fix in replacement cartridge filter of RO capacity 4000/1200 ltrs/hrs plant complete all as specified and directed by Engineer-in-Charge.

Supply & fix in replacement of new leather sheet flap with cast iron plate of foot valve of undermentioned type with necessary fixing arrangement like nut,bolt wahser packing sheet etc including taking out exisiting defective foot valve from UG sump complete all as specified and directed by Engineer-in-Charge at site.

80 mm Dia

100 mm Dia

150 mm Dia

Supply & fix in replacement suction and discharge flexible hoses with specially compunded PVC reinforcement.helically wounded and inseparably fused to the soft inner walls suitable for withstanding multi-axial stress and pressure 10Kgf/Sqcm of dia 80 mm complete all as specified and directed by Engineer-in-Charge.

Ahmed B Khatri

M/s Bombay Novelty Stores