PREVENTIVE MAINT AND REPAIR AND MAINT OF PUMP SETS AND CLEANING OF OVER HEAD TANKS AND UG SUMPS OHTs AND EXTERNAL WATER SUPPLY NETWORK INCLUDING ALLIED ITEMS AT NCHC POWAI UNDER GE (NW) BHANDUP

Amount

M&L Overhauling centrifugal pump set of capacity 75 HP after removing from base plate disconnecting form pipe line and dismantling pump set, replacing US gland packing, gun metal bush, bearing of motor and pumps replacement of defective impeller shaft and water seal applying greasing refilling oil etc reassembling the pump set and refixing back on the base plate and connecting existing pipe line with nuts, bolts and new gasket including painting of motor and pump sets, suction and discharge pipe line with two coat of paint, connecting the existing cable etc. checking and starting and testing complete pump set for satisfactory pump set all as directed by EIC

All as per above item No 1 but 20 HP/25 HP pump set

All as per above item No 1 but 7.5 HP pump set (Ulhasnagar)

Dismantling of existing pumps taken out broken impeller and supply and fix impeller of existing pump suitable of 75 HP centrifugal pump sets complete all as specified and directed

Dismantling of existing motor and pumps taken out unserviceable star bush and supply and fix star bush of existing pumps and motor of size 75 HP complete all as specified.

supply and fixing of pump set gland packing of size 8/10 mm complete

Supply and fixing in repair of PVC HRFR LSH insulated 1100 volts heavy duty copper wire single core 35 sqmm complete all as specified and directed

Dismantling the power supply of electric motor any type including dismantling from pump and taking to workshop with necessary transportation and opening the complete motor and rewinding the rotor with super enameled copper wire as per the existing gauge with necessary insulation, sticks and varnishing, including replacement of shaft bearing 02 Nos and motor terminals plate/cable ducts complete of capacity 75 HP including painting complete all as directed.

All as per above item No 08 but 20 HP pump set

All as per above item No 08 but 7.5 HP pump set

Supply and fix in repairs power contactor 3ph, 80 A ,415V, suitable for 75 HP capacity all as specified and as directed

Supply and fix in repairs power contactor 3ph, 55 A ,415V, suitable for 20/ 25 HP capacity all as specified and as directed

Supply and fix in repairs power contactor 3ph, 45 A ,415V, suitable for 20/25 HP capacity complete all as per specified and directed.

Supply and fix in repairs to soft starter wiring complete.

supply and fixing soft starter HRC fuse 63 Amp, 690 Vac, BS 88 -4 complete as specified and directed. Make- schindler/Semins/L&T/C&S

Material and labour for disconnecting & stopping of incoming and washout the outgoing pipes by making suitable arrangements to avoid chocking of pipe line, removing total water from the tank manually & depositing the same in low laying areas all as directed cleaning the under ground sump from in side by using high pressure cleaning method with rotary jet with approved detergent rubbing/ scrapping wall / floor /ceiling with wet vaccume cleaner sucking out all dirty water and disinfecting the tank chemical treatment (chemical approved by FOA/WHO) to make sump totally cleaned and bacteria free including painting pit cover marking date of cleaning and next due date and pipes (raising delivery wash out and over flow with sluice valves) under ground sump 250000 gallons capacity (NCHC Powai main pump house)

All as per above item No 16 but 250000 Gallons (Main pump house new UG sump)

All as per above item No 16 but 25000 Gallons (Bldg no 267 &268)

All as per above item No 16 but 50000 Gallons(Bldg No 272 & 273) - 01, (Bldg no 276, 277 & 278- 01, (Bldg No 269, 270 & 271)- 01

All as per above item No 16 but 50000 Gallons (NCHC Ulhasnagar)

All as per above item No 16 but 25000 Gallons (23-A Mhada Powai )

Material and labour for disconnecting & stopping of incoming and washout the outgoing pipes by making suitable arrangements to avoid chocking of pipe line, removing total water from the tank manually & depositing the same in low laying areas all as directed cleaning the overhead tank from in side by using high pressure cleaning method with rotary jet wilth approved detergent rubbing/ scrapping wall / floor /ceiling with wet vaccume cleaner sucking out all dirty water and disinfecting the tank chemical treatment (chemical approved by FOA/WHO) to make sump totally cleaned and bacteria free including painting pit cover marking date of cleaning and next due date and pipes (raising delivery wash out and over flow with sulice valves) overhead tank 100000 gallons capacity(NCHC Powai). Note : This item covers the scafolding to access the OHT for a height upto 25 mtrs all around complete with all material and cleaning arrangement including electric wiring connection form nearest building and manual access to OHT is not provided by department.

M&L for collecting water sample from water sources and carry out of water test report as per IS 10500, Clause 4.0 & 4.1.1 for the following parameters from Govt approved lab. (NCH colony). (i) Physical analysis : Turbidity(NTU) & pH, Taste, Colour, Odour Electrical conductivity, Total disolve solids. (ii) Chemical analysis : Calcium as Ca,Chlorides,as Cl,Coliform, Total hardness(CaCO3),Iron(Fe) & Magnesium(Mg). Alkalinity as Caco3, Reactive silica, asSiO2. Sulphates as SO4. (iii) Bacteriological analysis : Escherichla coli or thermotherapy coliform bacteria. Note - (i) Samples to be collected 04 time in entire tender time starting from 1 st month of accepetance and further at equal interval gap from 05 locations as specified by engineer-in-charge. (ii) Non testing of water will directly lead to recovery of double the rated quoted by the contractor without any intimation.

Material and labour for fabrication of duct cover made out of mild steel chequered plate of 7mm thick with provision of lifting handles, fire points, ladders, pipe supports and bracings etc made out from mild steel angle iron, channel, flat iron of suitable sizes including and welding as per site requirement and carry out two coat of synthetic enamel paint of red colour to fire points and grey colour to ladder, supports,duct cover etc over a red oxide primer including removing old rusted unserviceable items complete all as specified and directed.

Material and labour for replacement of un serviceable timer of starter, range 3 to 30 sec adjustable type voltage 415 V complete all as per specified and directed.

Material and labour for replacement of un serviceable single phase preventer , 415 V 50Hz including electric connection complete all as per specified and directed.

S&F in repair MPCB (motor protection circuit breaker), 3 Phase, 415 Volts, 50 Hz, contractor type - MO 50 suitable of 75 HP pumps complete all as specifed and directed.

Supply and fix in repairs of MCCB 250 Amps 4 Pole, with breaking capacity 35 KA complete all as specified and directed.

Supply and fix in repairs MCCB 200 Amps 4 Pole, with breaking capacity 35 KA complete all as specified and directed.

Supply and fix in repairs of MCCB 100 Amps 4 Pole, with breaking capacity 16 KA complete all as specified and directed.

Supply and fix in repairs of MCCB 63 Amps 4 Pole, with breaking capacity 16 KA complete all as specified and directed.

Material and labour for construction of valve chamber of size 1000 x 1200 x 1200 mm (internal dimensions built in brick masonry on 15 cm thick PCC foundation (1 : 4 : 8) type D-2 using 40 mm graded stone aggregate over 100 mm thck hard cor with brick work masonary in cement mortar 1:4 using 'B' class bricks and rendering in cement mortar 1: 4, 10 mm thick internally including exposed surfaces of external surfaces, MS cover made out of 6 mm thick MS sheet on angle iron framework made out of 40 x 40 x 6 mm duly embedded in PCC 1:2:4 type B-1 using 20 mm graded stone aggregate with hold fast made out of MS flat iron 25 x 6 mm x 300 mm long and 40 mm thick PCC coping 40 mm thick 1:2:4 type B-0 using 12.5 mm graded stone aggregate with handle hinges with locking arrangement & applying two coats of synthetic enamel paint over a coat of red oxide primer to all exposed steel surfaces complete all as specified and directed.

All as per above item No 32 but of size 900x900 x 1000mm

All as per above item No 32 but of size 600x600x 900mm

M&L in repairs Earthing complete with galvanized steel earth plate electrode 600 X 600 X 6 mm thick, buried directly in ground, earth pit not less than 2.25 mtrs below the normal ground level with top edge of the plate not less than 1.5 mtrs below normal ground level connected to & including galvanised iron strip 25 x 4 mm by means of bolts, nuts, check nuts and washers of galvanized iron all as shown in electrical plate No. 5 of SSR part I of 1991, testing on completion with and including necessary earth work in any strata, watering arrangements with 20 mm dia light grade GI pipe, GI funnel with wire mesh, PCC chamber with 1:3:6 type C-2 with PCC cover, suitable size of medium grade GI earth lead protection pipe up to test point all as specified and directed.

Taking up or down steel tubing and connections removal to store of 80mm bore complete all as per specified and directed.

All as per above item No 36 but 50mm bore

All as per above item No 36 but 40mm bore

All as per above item No 36 but 25mm bore

All as per above item No 36 but 20mm bore

M&L in repairs in trenches/wall/ ceiling and jointing 80 mm bore GI tubing of medium grade including all fittings such as bends, elbows, tees, union, short pieces, connectors,check nuts, caps, plugs etc complete all as specified and directed.

All as per above item No 41 but 50 mm bore

All as per above item No 41 but 40 mm bore

All as per above item No 41 but 25 mm bore

All as per above item No 41 but 20 mm bore

Taking out the unserviceable CI pipe lines on 80 mm bore including all fittings with spigot and socket ends and lead joints including burning out joints and recovering lead and cleaning the pipes internal/external for reuse or sch of credit complete all as specified and directed.

Taking out the unserviceable CI pipe lines on 100 mm bore including all fittings with spigot and socket ends and lead joints including burning out joints and recovering lead and cleaning the pipes internal/external for reuse or sch of credit complete all as specified and directed.

Supply and laying of cast iron pipes 80 mm bore with spigot and socketed ends centrifugally cast, class 'LA' in any length laid in trenches all as specified and directed.

Supply and laying of cast iron pipes 100 mm bore with spigot and socketed ends centrifugally cast, class 'LA' in any length laid in trenches all as specified and directed.

M&L for Bends tapers any type, (straight, bend, increasing, decreasing or double socket etc). Tee pieces single branch "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs of CI/ DI fittings upto 150 bore complete all as per specified and directed.

M&L for Bends tapers any type, (straight, bend, increasing, decreasing or double socket etc). Tee pieces single branch "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs of CI/ DI fittings upto 200 to 300 bore complete all as per specified and directed.

M&L of rubber gasket tyton joints to spigot and socket pipe of bore 80 mm dia complete all as specified and directed

All as per Item No. 52 but of size for 100 mm CI pipe

All as per Item No. 52 but of size for 150 mm CI pipe

All as per Item No. 52 but of size for 300 mm CI pipe

M&L of run lead joint to CI spigot and socketed pipe of bore 80 mm dia complete all as specified and directed

All as per Item No. 56 but of size for 100 mm CI pipe

All as per Item No. 56 but of size for 150 mm CI pipe

All as per Item No. 56 but of size for 250 mm CI pipe

Removal of sluice valve of capacity 250 mm and fixing it in repairs after taking of old sluice valves, refacing, regrinding and repacking stuffing box of sluice valve spindle including taking apart and reassembling complete all as specified and as directed for following : Opening of existing sluice valve 250 mm and M& L for repair of Sluice valves 250 mm for the following : (a) Check nut threads on lathe machine or any mechanical method (b) gate spindle rod threads on lathe machine or any mechanical method (c) Welding of any broken part of the sluice valve.

All as per Item No. 60 but of size for 150 mm sluice valve

All as per Item No. 60 but of size for 100 mm sluice valve

All as per Item No. 60 but of size for 80 mm sluice valve

Supply and fix in repair new sluice valve of size 250 mm as per site requirement confirm to IS:14846,body& wedge rings bronze LTB2 spindle SS,Gland packing grasey jute, packing fasteners CS, Gasket ntrural rubber cast iron body and flanged drilled type nominal pressure rating PN- 1.6 complete all as specified and directed.

All as per Item No. 64 but of size for 150 mm sluice valve

All as per Item No. 64 but of size for 100 mm sluice valve

All as per Item No. 64 but of size for 80 mm sluice valve

Supply and fix in repairs foot valve CI body flanged type of size 150 mm size heavy duty complete all as per specified and directed.

Supply and fix in repairs foot valve CI body flanged type of size 100 mm size heavy duty all as specified & directed by Engineer-in-Charge.

Supply & fixing in replacement of CI non return valve flanged type 150 mm dia complete all as per specified and directed.

Supply & fixing in replacement of CI non return valve flanged type 100 mm dia complete all as per specified and directed.

Supply and fix in repair gun metal gate valve with iron wheel head of size 50 mm with external threaded both ends for connecting to pipe line including for GI tubing or CPVC pipe etc all as specified and directed.

All as per above item No 72 but 40mm bore

All as per above item No 72 but size 25mm bore

All as per above item No 72 but size 20mm bore

S&F in repairs Float ball valve complete with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixing of size 20 mm dia including connected GI and CPVC fittings within 6 Hrs of reveiving compalint complete all as specified and directed.

All as per Item No. 76 above but of size 25 mm bore

All as per Item No. 76 above but of size 40/50 mm bore

Surface dressing not exceeding 15 cms deep in soft / loose soil including removal of brick/stone pieces, herbs, shrubs and vegetation complete all as specified.

Supply of potable drinking water in hygienically tested water browser to water supply installations as and when on requirement basis for supply to 23A MHADA building at Powai complete all as specified and directed.

Removing old unserviceable Star-delta starter from existing position after disconnecting of electric connection and supply and fix new fully automatic star delta starter three phase, 415 volts, 50 Hz suitable for 15 to 25 HP pumpset complete with inbuilt accessories such as contactor, relay, timer etc and fully prewired in sheet steel enclosure and connecting to the existing system including testing complete all as specified and directed. Make :- L&T/Siemens/Crompton

Supply and Fix LED phase indicating lamp R-Y-B colour as required at site complete with base holder suitable for AC, 240 volts and testing including removing of old unserviceable lamps complete all as specified and directed.

Supply and Fix digital type voltmeter 0-500 volts range, flush type, AC, 50Hz in existing panel boards after disconnecting of cables and testing including removing of unserviceable voltmeter complete all as specified and directed.

Supply and Fix digital type ammeter 0-50 Amps range,flush type with appropriate CTs, AC, 50Hz in existing panel boards after disconnecting of cables and testing including removing unserviceable item complete all as specified and directed

Supply and fix in repair MCB SP 6-32 Amps,10KA,'C' series, 240 volts and , complete all as specified and directed.

Supply and fix in repair MCBs , TPN 63 Amps ,10 KA, 'C' series, 415 volts , complete all as specified and directed.

S & F Pressure gauge 4" dial 0-21 kgs rating with taking down old u/s pressure gauge of any type

M&L for Repair of foot valve 80 mm to 100 mm size (As per site) after disconnecting & removing the foot valve from balancing tank , and refitting/relaying after rectification by replacing heavy duty leather gasket, nuts & bolts if any complete all as directed by Engr-in-Charge

M & L for detecting water leakage/blockages in underground water pipe lines, turning off/On water and draining the system as required, with necessary excavation at location of leakage/blockage and carrying out repair of GI/CI/DI pipe of any size with tightening of loose connection, removing & cleaning blockage, replacement of u/s fittings & repair/replacement of joints, all as specified and direted by Engineer In Charge Note: 1. Excavation & Earthwork for leackage point upto 02 mtrs is included and excavation for finding of lengths of rusted pipes beyond 02 mtrs if required to be changes will be paid in respective items. 2. Pipe and fittings used shall be paid in respective items of GI/CI/DI pipes . 3. If only fittings are used without changing of pipe line for GI pipes then fittings are included in quoted rate of this item.

Cutting existing Galvanised iron pipes of 40mm or 50mm dia and screwing existing steel tubing for alterations or additions complete all as specified and directed.

M & L for Preparation of old painted surfaces and applying two coats of synthetic enamel paints as directed by Engr-in-Charge on external surfaces of water pipe lines, chambers, pump, motors and connected panels with spray painting with compressed air spray painting machine complete all as specified and directed by Engr-in-charge. Note : This item included pipe line painting of high rise G+16 building in duct ares and rates are inclusive of scafolding etc.

Shifting of pumpset 15 hp from one location to another location including making of foundation, MS channel support, refixing of all water lines and tightning of screws etc complete all as specified and as directed.

Additinon alteration in pump foundation and pipelines for the following : (i) Removal and dismentaling of old outgoing pipe line, PCC foundation, MS angle iron channel of 75 HP pump main pump house incuding removal of NRV, gate Valve , fittings and disconnecting it from main line . (ii) Shifting of pump backside to match the space for upcoming pipeline and Valves including making a foundation for pump with 50 x50x 7 mm MS angle iron channel on PCC foundation. (iii) Refixing of new outgoing pipe line 150 mm dia including enlarger from 80/150 mm and connecting it to main line of 150 mm dia including installation of Pressure gauge, NRV and gate valve on new pipe line including all fittings and bends. (iv) testing of pumpset for desired pressure and leackage. Note:- (i) All the welding and joinery work, MS iron angle foundation , PCC work is included in this quoted rates. (ii) rates for servicing of pumpset, NRV, gate valve of 150mm, pressure gauge will be paid in respective items separatly.

Supply and fix in repair sluice valve of size 150 mm as per site requirement confirm to IS:14846,body& wedge rings bronze LTB2 spindle SS,Gland packing grasey jute, packing fasteners CS, Gasket ntrural rubber cast iron body and flanged drilled type nominal pressure rating PN- 1.6 complete all as specified and directed.

Supply & fixing in replacement of CI non return valve flanged type 150 mm dia complete all as per specified and directed.

M&L for Bends tapers any type, (straight, bend, increasing, decreasing or double socket etc). Tee pieces single branch "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs of CI/ DI fittings upto 150 bore complete to be used in item no 97 all as per specified and directed.

M&L for customised handles T shaped for sluice valve operation including MS rod of 40 mm dia 1.5/2.0 mtr long with a handle of 0.5 mtr welded at top with dia 40mm and at bottom the square shape attachement via welding to fit on spindle top of the sluice valves of size 300 mm complete.

M&L for customised handles T shaped for sluice valve operation including MS rod of 40 mm dia 1.5/2.0 mtr long with a handle of 0.5 mtr welded at top with dia 40mm and at bottom the square shape attachement via welding to fit on spindle top of the sluice valves of size 250 mm complete.

M&L for customised handles T shaped for sluice valve operation including MS rod of 40 mm dia 1.5/2.0 mtr long with a handle of 0.5 mtr welded at top with dia 40mm and at bottom the square shape attachement via welding to fit on spindle top of the sluice valves of size 150 mm complete.

Excavation in trenches not exceeding 1.5M wide and not exceeding 1.5M in depth and getting out in soft/loose soil for all at locations as directed by engineer incharge.

Excavation in trenches for finding out old rusted pipelines not exceeding 1.5M wide and not exceeding 1.5M in depth and getting out in soft/loose soil for laying of under ground cable/ pipelines all at locations as directed by engineer incharge.

Returning filling in including spreading leveling watering and well ramming lin layers not exceeding 25 cm after the pipes have been laid complete all as per specified and directed.

Removing excavated material / soil to a distance exc 250 m and n. exc 500 m above starting point complete all as specified and directed.

Cutting of existing bituminous surface/PCC hard standing by using mechanical method of any type for laying of pipe and making good of disturbed surfaces to match with adjoining surface complete all as specified and directed Note:-PCC for making good shall be measured and paid separately.

Material and Labour for for PCC 1:3:6, type C2 (40 mm graded stone aggregate) as in foundations / making good of disturbed surfaces / filling mass concrete complete all as specified and directed

Supplying and laying of 25 mm CPVC pipes SDR 11 & plain CPVC SDR 11 fittings in trenches complete all as specified

Supplying and laying of 20 mm CPVC pipes SDR 11 & plain CPVC SDR 11 fittings in trenches complete all as specified

Supplying and laying of 25 mm CPVC Ball valve complete all as specified

Supplying and laying of 20 mm CPVC Ball valve complete all as specified

M&L for design and fabrication of water level indicator suitable for existing sump in main pump house made of MS base strip 12 inch wide and 5 mm depth and level indicator strip of 2 mm on a channel attached to base strip carefully calibrated for zeo level and full level and indication devided into parts of per 25000 gallons till 250000 gallons with middle marker and the indicator will freely move in a roller on a channel attached to base plate and last end of indicator will be connected to a floating object touching the water level complete all as directed.

Excavating in post holes (or similar holes) each n exc 0.5 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, soft/loose soil complete all as specified and as directed.

M &L for Plain cement concrete in foundation filling type B-2 1:2:4 (40mm graded aggregate) and mass concrete complete all as specified and as directed.

M&L for Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240 etc conforming to IS 1161-1979 grade Fe 410-W (Gde- E- 250) quality complete all as specified and directed

M&L for Steel work in Rolled sections as in main and cross beams, hip and jack rafters; purlins where connected to common rafters and running rails and guides for sliding doors; fixed with angle cleats or other connecting plates conforming to I. S.1161- 1979 grade St.-240 etc conforming to IS 1161-1979 grade Fe 410-W (Gde- E- 250) quality complete all as specified and directed

S & F Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, with riveted, bolted or welded attachment grade Fe 410-W (Gde- E- 250) A quality complete all as specified and directed

S&F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified.

S&F Pre- painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified.

M&L for cutting of existing DI line 300 mm and fixing of new air release double vent type valve 300 mm, PN-16,ISI marked , including T- arrengement,end flanges for air release valves and pipe T connection flanges as per IS-1538, nut bolts and washers and hydraulic testied for BPT- 24 bar and STP-16 bar testing it for full serviceability. Note- contractor should make necessary arrengement of T&P for pumping of existing accumulated line water without any extra cost to department.

Deduct Credit for Demolished/ Dismantled material Rs. (-) 58020.00 (Minus) as listed in Schedule of Credit. Note1: Tenderers will not quote against this item being a tentative amount to be considered to arrive at the 'Contract Sum' Note 2: Any T&P required at site for pumping of extra water will be arranged by contractor without any finantial effect to department and rates for the same are included in respective items. Note 3: Contractor supervisor to report on daily basis to the concerned JE as detailed by the Engr-in-Charge on daily basis to collect the complaints in morning by 9.15 am on working days, supervise the work and again report to AGE/JE in evening by 4.45 pm to submit the progress and details. In case of absence of supervisor penalty will be imposed at the rate of Rs.1200 per day. Note 4: The tenderer must keep in mind when quoting rates against items out in multiple high rise towers having maximum G+16 configuration. Necessary scaffolding and safety measures required during execution of work are included in these items.

GUPTA ENTERPRISES (BID ID -3501581)