SPECIAL REPAIR/ REPLACEMENT OF BER DG SET 62.5 KVA AT NSB AND FIRE PUMP SETS AT NAD (T)AND GODAVARI AND PROVN OF 3 PH VOLTAGE STABLIZER OF CAP 630 KVA AT NLDC BLDG THANE AND BOREWELL SUBMERSIBLE PUMP AND PIPELINES UPTO STATIC TANK AT WED AT MANKHURD

Amount

M&L for Diesel Engine Generating set 415 volts 62.5 KVA 3 -phase 0.8 power factor 50 Hz, 1500 RPM self excited self regulated brushless AC generator installed including accoustic enclosure suitable for ambient at Mumbai and confirming to condition under IS 10002, BS 5514, ISO 3046 with following including adequately designed vibration proof cement concrete / reinforced cement concrete foundation as recommended by manufacturers and approved by GE :- NOTES:- (i) The capacity of Generator set shall be net after all due derating factors as per relevant ISI standard.

(ii) The quoted rate shall be deemed to be inclusive of first fill of lubricant oil and final successful acceptance test.

(iii) The quoted rate shall be deemed to be inclusive of 12 hours test run at site including of one hour on 10% overload in presence of IEM or testing officer detailed by HQ CWE (Subs) Mumbai, all arrangements are to be made by the contractor for tests.

(iv) DG Set should be as per CPCB-II norms emission limit (g/kw-hr) standard as follows :- (a) Oxides of nitrogen +Hydrocarbon (Nox + HC <4.0) (b)Carbon Monoxide (CO <3.5) (c) Particulate matter (PM <0.3) (d) Smoke Limit (light absorption)Coeficient,m^-1), <0.7

(A). Alternator:- Standard design alternator rated at 62.5 KVA net output at site after considering derating as per site conditions at 0.8 (lag) power factor regulated screen protected drip proof IP 23 enclosure brushless design with winding in pole faces, insulating class 'H' and voltage regulation of + 1%, at rated voltage from no load to full load. The alternator shall be confirming to BS-2613, IS-4722 and shall be inposition to generate supply with frequency regulation with in + 1% tolerace. The alternator will be suitable for tropical climate and shall generally confirm to BS - 2613, IS - 4722

(i) Insulation class - 'H'

(ii) Temparature rise Class - 'H'

(iii) Excitation : Self Excited

(iv) Regulation performance: The voltage is kept constant with +1% manual voltage adjustment within + 5%.

(v) Frequency regulation +1%

(B) Diesel Engine:- Adequate capacity Diesel engine suitable for 62.5 KVA coupled drive independently above alternator and after considering derating as per site conditons after generating and reducing power consumed by accessories, directly coupled through flexible coupling, multi cylinder multi stroke direct injection, water cooled type diesel engine, cold starting 1500 RPM, as per relevant ISI / BS - 5514 with an overload capacity of 10% for one hour in 12 hours continuous running complete with standard accessories all as specified and required for safe handling and operation salient features of accessories shall be as under:-

(i) Fly wheel with housing

(ii) Cooling system:- Mounted radiator with fan & belts

(iii) Cooling Water pump:- Centrifugal type belt driven.

(iv) Exhaust System :- Exhaust System complete with exhaust piping of Exhaust gas turbo charger type Exhaust manifold

Silencer : Residential type Bellows

(v) fuel System :- Fuel injection system with fuel injectors, fuel injection Fuel filters

(vi) Lub oil System:- Lubricating oil filter Lubricating oil pump

(vii) Air Intake System :- Air intake Manifold Air cleaner dry type

(viii) Starting System :- Electric Self starter with maintenace free batteries including battery charging alternator.

(ix) Batteries:- 1 Nos. Maintenece free Batteries of 12 VOLT 180 AH capacity or as recommended by OEM complete with copper conductor multistranded leads of suitable length from self starter to the battary terminals complete with initial charge and initial fill of electrolite all as specified.

Make:- EXIDE or eqvt as approved

Starter gear ring Start and stop push button Ignition key / Switch Handling and operation : Salient features of accessories shall be as under: Radiator with blower fan Corrosion inhibitor coolant Paper element filters for fuel, lub oil and by pass. Electronic governer controlled direct fuel injection system Fly wheel housing and fly wheel.

(x) Generator Monitoring Panel : Comprising of following

(i) AMF Panel : Electronic type with fault memory complete to be inside the sound proof enclosure with the following assesories with copper bus bar capacity required to carry current at 110% load of 62.5 KVA with three phasee and half netural colour coded, pre-wired with copper flexible cable, all as specified with the following accessories, control cable from Gen set to AMF panel-

(a) 125 Amps, 3 pole contactor - 2 nos (b) 100 Amps TP contactor for neutral for both supplies

(b) MCCB, 4 Pole 125 Amps, 25 KA-2 nos for both supplies

(c) CTs for both the supplies

(d) Ammeter (Digital)

(e) Voltmeter (Digital)

(f) Push buttons

(g) Indication Lamps

(h) 2 over load+ earth leakage relay

(i) Multi functional digital meter for KWH,KVA,KW, Amps, volts, frequency, power factor etc

(j) SMPS Battery charger 12v, with trickle & Boost charging for Generator battery charging

(k) On/ off switch

(l) Automatic / manual swich

(m) Hooter

(n) voltage sensing relay

(o) Six window anunciator for fault indications

(p) Electro magnetic relays

D. Acoustic enclosure: Enclosure is factory built and modular in construction to facilitate easy assembly at work site and will be drop over housing type. It will consist of acoustically treated panel housed in sheet steel will provide easy access for maintenance, repairs and operation. The enclosure is custom built to suit conditions, with the following features:-

(i) Custom built product for various equipments, with ensure the optimum preformance without duration.

(ii) Rugged in construction maintenance free and modular designs which facilitate easy at site.

(iii) As per CPCB norms, thickness of CRCA sheet to be used for enclosure panel to ensure longer life against weathering action. High quality acoustic insulation materials to be used as per IS 8183 for maximum sound absorption. Acoustic layers are supported by perforated sheets .

(iv) Sheet metal components of the enclosure should undergo various stages of surface treatment prior to painting which leads to be better life of the enclosure against weathering action.

(v) Special paint treatment with with pure polyester powder / epoxy to be provided for better weather resistance.

(vii) For effective acoustic / weather sealing a special type weather sealing gaskets, new frame rubber gaskets to used.

(viii) Working space is to be provide around the equipment for easy maintenance / repairs.

(ix) Necessary cut out provision for entry and exist of fuel lines cable to be incorporated in the enclosure as per the requirement.

(x) A see through transparent window ( glass or acrylic) in front of engine panel to provided for monitoring the operation.

(xi) Ducting if required, bellows, mechanical hardware like locks, hinges fasteners etc to be provided.

(xii) Deliverables. 75 DBA @ 1mtr at 75% load under free field conditions. The temp inside the enclosure will be within as per manufacturers recommendations above ambient temp.

(xiii) The enclosure should be provided with LED bulk head light fitting with switch control for inside illumination

(xiv) The battaries should be placed inside the enclosure beside the DG set on a suitable insulated plat form.

(xv) the DG set should be provided with external Emergency stop push buttom.

(xxv) The accoustic enclosure parts shall be of powder coated after pre treat ment process. The powder coating shade should be Genset Green. The base frame should be painted with epoxy based black shade. Make for ACCOUSTIC PANEL as per the standard provided by the OEM of DG set.

The following itmes are deemed to be included in the rate quoted for all DG sets:-

(i) DHPP for testing purpose shall be supplied by the contractor without any extra cost to Govt.

(ii) The contractor shall arrange for artificial load for testing for final testing of DG Set at site and the cost is deemed to be included in above offer.

(iii) Testing of sound level should carried out at the site in presence of GE.

M&L for earthing complete with GI earth plate electrode 600x 600x 6 mm buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level and connected to earth test point by means of GI Strip of size 32x6 mm all as specified and shown in electric plate No 3 of MES SSR Part-I 2009 including earthwork, PCC chamber, CI cover, protection and watering pipe, funnel, mesh etc all as required at site and testing complete all as specified and directed. Notes: (1). 7.5 RM GI strip is deemed to be included in quoted rates. (2) Rate quoted by the tenderer is deemed to be included salt & charcoal and GI pipe protection.

M&L for earthing complete with Copper earth plate electrode 600cmx 600cmx 3.15mm buried directly in ground with top edge of the plate not less than 1.5 mtrs below normal gound level and connected to earth test point by means of copper Strip of size 20x3 mm all as specified and shown in electric plate No 3 of MES SSR Part-I 2009 including earthwork, PCC chamber, CI cover, protection and watering pipe, funnel, mesh etc all as required at site and all as directed and including taking down of old earthing materils. Note: (1). 7.5 RM Copper strip is deemed to be included in quoted rates beyond 7.5 RM strip shall be measured and paid separately as supplied only. Labour element is included in the above item. (2). Earth resistance of earth pit should be less than 0.5 Ohms. On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost. (3) Rate quoted by the tenderer is deemed to include salt & Charcoal upto & above 450 mm top of Copper plate.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade ISI marked with stranded aluminium conductor of size 50 Sqmm 3.5 core including provision of cable lugs comlpete all as specified and directed.

Supplying, installing, testing, perfect aligning and commissioning of fire service main pump, multistage, of TAC (tariff advisory committee) approved having suction and delivery flange, capable to deliver discharge of 47 LPS (liters/sec) at 70mtr head of horizontal centrifugal type multistage pump of horizontal split casing cast steel with cast iron impeller ,wearing ring of cast iron , shaft carbon steel 40C8 hot rolled, shaft sleeves of cast iron as per IS standards, directly coupled to totally enclosed fan cooled (TEFC) squirrel cage A.C induction motor of suitable capacity to operate on 3ph, 440V, 50cyc. A.C. with ‘B’ class insulation and both pump and motor are to be erected on common M.S. base plate and required size M.S channel suitable rigid foundation, nut bolts washer, coupling guards, and anti-vibration rubber pads, Interconnection of Delivery mains with & including necessary PCC foundation as per OEM recommendation etc complete all as specified and directed.

Supplying, installing, testing perfect aligning and proper leveling and commissioning of jockey pump horizontal end suction centrifugal type, commissioning of jockey pump horizontal end suction centrifugal type, conforming to 12469:1988 of discharge capacity of 180 LPM at 70 mtr. Head, multi stage with CI impeller ,cast iron, shaft carbon steel 40C8 and directly coupled to suitable capacity motor , ‘H’ class insulation, squirrel cage induction motor working on 3 ph, 415 volts , A.C. both pump & motor are to be mounted on common base plate along with suitable rigid foundation , nut bolts, with coupling guards and antivibration rubber pads in an approved manner with accessories complete in all respect. Note for item No 5 & 6 (i) Modification to suit existing suction/ delivery pipes and valves and extra pipes of suitable size and misc fittings such as flange, rubber gasket, welding work, nut/ bolts, washer etc shall be inclusive in the quoted rate.

Supply and fix Pressure gauge 100 mm dia with ball valve of pressure 21 Kg/Sqcm complete all as specified and directed.

Supply installation testing commissioning of ISI marked pressure switches of range 5.5 Kg / Cm2 to 7.5 Kg/Cm2 for pump set complete with ball valves for isolation and fittings such as union elbow reducer etc. Pressure switches for jockey and buster pumps shall be differential type with both high and low settings. Model IPS-100.

Supply and fix Air Vessel tank 300mm dia 1 meter height including all accessories techanically required to operate the tank etc complete all as specified and directed.

Supply install, test and commissioning LT Panel board (CPRI Approved) Powder coated cubical type indoor, confirming to IS 8623 part-I 1993 factory fabricated made out of 2 mm thick CRCA sheet with seven tank process & suitable size to accommodate all accessories/fittings, compartmentalized in construction to accommodate all accessories. The TPN bus bars shall be insulated with colour coded heat shrinkable sleeve and shall be mounted on DMC/epoxy insulator. The incoming as well as outgoing MCCBs shall have copper extension links of current carrying cap not less than 1.5 times the rated capacity of individual feeders. The extension links shall be supported on DMC / Epoxy insulators having provision for termination of incoming and out going cables. All extension links /interconnection shall be insulated with heat shrinkable colourcoaded sleeves. The cubicle shall have a bottom channelof size 50x50 mm. A detachable predrilled powder coated gland plate should be used at the bottom for entry of armoured cable of adequate size with glands.The above panel shall be front and back openable lockable /openable by key from both side and shall have louvers and air vent gasket for natural flow of air. Adhesive type gasket shall be used to make panel vermin proof , complete as specified and consisting the following: (a) Copper bus bars of capacity 400 Amps for phases and Neutral . (b) MCCB 4P 250A 415 Volts 35 KA, Thermal Magnetic Type - 01 No (01 as incoming)

Supply , install, testing and commissioning of Monoblock Pump set with CI casing , high tensile steel shaft cast iron impeller, priming funnel with lock, electric driven of capacity 05 HP with discharge ranging from 8.5-5.8 LPS and head ranging from 20-36 Mtrs directly coupled with three phase, 50 Hz, 415 Volts, squirrel cage induction motor of suitable capacity and including suitable PCC foundation as per OEM recommendation, bolts, nuts, anti-vibration pads, suitable suction and delivery pipe with fittings up to 10 Mtr etc complete all as specified and directed.

Supply, Laying connecting and testing in trenches, road crossing, through pipes, ducts etc XLPE armoured cable PVC insulated and over all sheathed with aluminium conductor heavy duty 1100 volts grade laid in trenches/floors/ ducts or passing through existing/new pipe under road crossing etc for the size of Single core 630 Sqmm ISI marked complete all as specified and directed. .

S & F Cable jointing kit suitable for 1.1 KV grade cable for Indoor/outdoor End termination/straight through, heat shrinkable type joint complete with jointing material and accessories suitable for single core XLPE armoured aluminium conductor cable of size 630 Sqmm complete all as specified and directed.

Supply, Install, testing and commissioning of Servo Controled Voltage stabilizer 630 KVA (confirming to BIS : 9815 : Part - I : 1994 reaffirmed 2009), operating of 3 phase, 50 Hz AC supply, Naturally oil cooled, indoor type, unbalanced type, copper wound, having digital display, suitable for relay free & silent operation including first filling of oil of suitable grade recommended by OEM as per IS : 335: 1993 re-effined 2005 having following generic specification all as directed and specified complete. (1) Input voltage 340V – 480V or as per ground requirements (2) Output voltage stabilized at any designed/desired voltage 415V ± 1% (Adjustable) (3) Rated frequency 50 Hz (4) No distortion in wave form (5) Response time not to exceed 10 mille seconds (6) Sensitivity (±)1% (7) Rate of correction 8 Volt/second for single phase and 20 Volt/second for phase to phase (8) No load losses less than 0.5% (9) Full load losses less than 2.5%

(10) Duty cycle - continuous 24 x 7 (11) Efficiency more than 95% (12) Type of load: 3 phase, unbalanced type (13) Digital display Voltmeter/Ampmeter (14) Capacity: 630 KVA Protections :- 1. Over load/Short circuit protections 2. High/Low voltage cut off 3. By pass arrangement in case of emergency 4. Single phase sequence change protection 5. Ingress Protection (IP) upto IP42/IP45

Supply only Copper strip 20 mm x 3 mm earth contunity conductor laid in ground or drawn in conduit pipe for loop earthing etc all as directed by Engg in Charge.

Supply, installation, testing and commissioning LT panel board suitable for working on 3 phase, 4 wire, 415 volts, AC,50 HZ, indoor, confirming to IS 8623 part-I 1993, cubicle, dust and vermin proof, air ventilation with IP-54 protection fabricated out of 2mm thick CRCA sheet duly powder coated painting with seven tank process, CPRI approved, hinged door, front and rear opening with locking arrangement, cable alleys, bus bar chamber and switch gear comparments, copper bus bar 2000 Amps rating for three phases and neutral duly covered with heat shrinkable sleeves colour coded fixed on DMC/SMC insulators bottom cable entry holes for incoming and outgoing cables and connecting MCCBs/switch gears with main bus bar by using copper bus links or copper conductor flexible wires of suitable rating and connecting with terminal blocks of appropriate rating by cable lugs, thimbles etc., earthing terminals, affixing danger notice plate, each compartment shall be numbered/lettered for indication and control wiring with flexible copper conductor cables of suitable size and adequate length, control fuses/MCBs and PCC foundation as per site requirement and a clear space to be kept from bottom of panel for proper termination of cables and including cable connection to MCCBs, switch gears with necessary cable glands, lugs, nuts, bolts and washers etc., complete all as specified and directed including comprising of following:-

Material and labour for boring /drilling of dia 150 mm suitable for lowering PVC pipe by any suitable method (by DTH-CUM-rotory or reverse ring method) to exceeding 40 mtr & upto a depth of 122 mtr below ground level in any type strata/Soil/rock with sand or loose boulder including disposal of materials obtained (soil, rock etc) from boring to distance not exceeding 150 metre with and including deploying required rig, machinery T & P equipments etc with and including collection of Geological sample (drilling/Cutting) and to maintain drill time logbook complete all as specified and directed. Note -: (a) Bore well truck transportation, bore well machine dismantling shall be deemed to be included in the quoted rate. (b) Survey of bore well shall be responsible of contractor and rate is deemed to be included in the quoted rate. (c) Actual depth of boring shall only be measured for payment.

Development of bore well including flushing out silts fine sand by air compressor of suitable capacity not less than 450 CFN at 150 PSI and over pumping (25% extra capacity pump) to make water free from turbidity till clear water is obtained from bore well complete all as specified and directed Note : (i) Pumping shell be of minimum 16 hour in two stages continues 8 hours with an interval of 1 hour after first 8 hours. (ii) The upper limit for duration of development shall be the time technically required to give result of development as per IS. Nothing extra shall be payable on account of increase of no of pumping hours actually required at site in excess of minimum period as above.

S & F Bore well clamp and covers with MS plate not less than 6mm thick complete all as specified and directed.

Supply and fixing and lowering heavy duty, 175 mm dia, PVC casing pipe for bore well having pressure 6 kg/cm2 ISI marked including necessary coupling, connector solution etc. complete all as specified and directed.

All as per above item no 20.00 but of size 125mm dia.

Supply & Lowering into well PVC 40mm dia heavy duty column pipe of length 3 mtr with Socket Joint type ISI marked complete with all required fittings all as specified and directed.

Supply,installation and testing of submersible pump of approved make with suitable capacity motor having 135-380 litre per minute discharge having 108-45m head alongwith 50mm outlet and working on 415 volts + 5% volts, 50 Hz electrical supply suitable for 150mm dia borewell inlcuding the accessories and all as directed and specified by the Engineer-in-charge. Note: The contractor shall ensure after digging of bore well, the yield test of bore hole after completion of development of bore well by pumping for 16 hrs to determined the safe pumping yield complete all as per IS and as directed including following :- (a) collection of water samples for bore well and getting them tested chemical and bacteriological analysis from recognized institutions by Govt.

Supply and fix weather proof flat submersible copper cable 2.5 sqmm 3 core including water proofing connection jointing materials etc. complete all as specified and directed.

Supply and lowering heavy nylon rope of size not less than 12mm dia complete all as specified and directed.

Supply and fix outdoor type digital control panel/ starter panel made out of MS sheet metal enclosure box comprising of 3 Phase, 415 Volt DOL starter suitable for 5 HP submersible pump set, voltmeter 0-500 volt, ammeter 0-50 Amps, RYB indicating lamps, single phase preventer, 4 way auto controller unit with start/ Stop push button duly pre wired using PVC copper wire and lugs for internal connection and other accessories i.e technically required, including fixing arrangement of panel on wall etc complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with multistranded aluminium conductor of size 25 sq mm 4 core.Including cable lugs of suitable size complete all as specified and directed.

M&L for cutting existing road/hard standing not exc 45x60 cm in wide & depth getting out excavated material for laying tube ;returning filling & well ramming, watering, finishing surface 10 cm from top using PCC 1:3:6 (using 40mm graded aggregate) including removal of surplus soil complete all as specified and directed.

S& F of HDPE pipe 100mm dia, PN -10 for laying in ground, road crossing etc for cable protection including necessary fittings , clamps for supports, etc complete all as specified and directed.

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr in depth and getting out in any type of soil for laying of GI/UPVC water tubing complete all as specified and directed.

Returning filing in any type of soil including spreading levelling watering and well ramming in layers not exc 25cm complete all as specified and directe by Engr-in-Charge.

Removal of excavated material to a distance not exc 50m and depositing where directed at a level not exceeding 1.5 mtr above starting point complete all as specified and directe by Engr-in-Charge.

Supply and fix ISI marked UPVC pipe size 50mm nominal dia, SCH-80 as per ASTM D-1785 with all connected accessories like UPVC bend, TEEs, unions,sockets etc for each 3 mtr length of pipe and solvent to join it complate all as specified and as directed.

All as per item No. 33.00 above but of 40mm dia

All as per item No. 33.00 above but of 25mm dia

Supply and fix Gun metal gate valve with iron wheel head screwed both ends for iron pipe and fixed size 50mm dia complete all as specified and directed.

All as per item No. 36 above but of 40mm dia

Supply and fix Cast Iron Non Return valve of size 50mm dia with gum metal seat threaded type ISI marked etc complete all as specified and directed.

M &L for valve pit of size up to 80 cm x 80 cm x 80 cm (internal diamension), brick construction including all necessary excavation and earth work in any type of soil,returning,filling in disposal of surplus soil to a distance not exceeding 50m and depositing where directed, PCC 1:2:4, type B1 (using 20mm graded stone aggregate) in foundation brick mansonary in cement mortar(1:4), rendering 15mm plasteing in cement mortar(1:4), internally, finished even and fair and pointing flush externally as the work proceeds in the same mortor.Mild steel angle iron 40 x40 x6 mm frame MS sheet cover 3.15mm thick with handle and locking arrangement,painting all exposed MS work with two coats of synthetic enamel paint over a coat of red oxide primer and painting all the MS embeded in PCC with two coats of black bitumenous paint complete all as specified and as directed.

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