PROVISION OF STANDBY DG SET FOR IIND LIFT PUMPING STATION UNDER

Amount

Supply ,install,commissioning and testing totally enclosed (silent operation with canopy,CPCB-II compliant ),static type Diesel Engine driven,liquid cooled, Generating set of 125 KVA/100KW capacity with AMF Panel accommodated within accoustic enclosure (at 0.8 lagging P.F) , 415V, 50 Hz, 3 Phase system & for 0.85 Load factor .

(A) Diesel Engine :- Diesel Engine shall be 4 stroke liquid cooled, electric start, of suitable BHP at 1500 RPM suitable for above output of alternator at ambient temprature of 50°C ,50% RH & at 1000m above MSL, turbo charged, electronic governor, conforms to BS:5514/ISO 3046, BS 649, IS 10000 with capacity of 10% overload for one hour in every 12 Hours of contineous operation. The engine shall have noise limit of 75 dB(A) at 1 metre (or complied with CPCB and Environmental norms as notified by GoI time to time), Emission limit ( NOx + THC or NOx + NMHC or RHC <= 4.0 g/kW-hr, CO <= 3.5 g/kW-hr , PM <=0.2 g/kW-hr and Smoke limit <=0.7 m¯¹ as applicable to diesel engine) notified by Min of Env vide GSR 281(E) dt 07 Mar 2016(and amendment thereof ,if any). The OEM shall undertake Type approval and conformity of production certificate for emission standard for engine from agencies approved by GoI. Copy of the same shall be produced. The engine shall be engraved clearly as DIESEL on the cylinder block and a conformance label meeting the following requirement shall be affixed :- (a) Name and address of manufactuter of engine (b) Statement that the engine or product conforms to Env(Protection) Rules, 1986 (c) Type approval certificate number (d) Date of manufacture of engine (e) Rated speed and corresponding gross power in kW. The follwing accessories shall be as under :-

(A1) Air Intake System

(i) Air intake manifold.

(ii) Dry type air cleaner

(A2) Exhaust System

(i) Turbocharger

(ii)Dry exhaust manifold with Residential silencer and catalytic converter

(A3) Cooling system

(i) Engine water pump

(ii) Radiator with Fan

(iii) Coolant additive concentrate

(A4) Lubricating system

(i) Oil pan

(ii)Engine mounted lube oil pump

(iii) Lube oil filter

(A5) Starting System

(i)12/24 v DC Starter Motor, Voltage regultors

(ii)12/24v DC Alternator for Battery charging

(iii) 12V suitable maintenance free battery of suitable numbers

(A6) Engine mounted microprocessor based (preferably) Instrument panel with digital display for the following :-

(i) LED indicating lamps - for Genset running, remote start, shutdown, warning , manual, auto and stop

(ii) Data Logs - engine run time and controller on time

(iii) Start/Stop switch with Key

(iv) Indication/Display of - for water temp, lub oil pressure, Lub oil temp, Battery charging, RPM, Over speed, Low lub oil trip , Engine hours.

(v) Engine and alternator Data - staring battery voltage, Engine running Hrs, Engine temp, Engine oil pressure, Alternator voltage, current, KVA, frequency, KWH shall be displayed

(B) Protection to Genset

i) Low lube oil pressure warning/shutdown (ii) High engine temp warning/shutdown (iii) Low coolant temp warning (iv)Sensor failure indication (v)Low/High battery voltage warning (vi)Weak battery warning (vii)Fail to start shutdown (viii)Cranking lockout (ix)High/Low AC Voltage shutdown (x) Under/Over frequency shutdown (xi)Loss of sencing volatge shutdown

(C) Others

(i) AVM Pads (ii) First fill of lubricanting oils (iii) Flywheel with housing (iv) Residential silencer

(D) Alternator - Synchronous alternator copper wounded rated 125 KVA, 415 Volts, 1500 RPM, 3 Phase , 50 Hz, AC Supply with 0.8 lagging power factor at 50 degree c, 50% RH and at 1000 m MSL, brushless type, self exicited, SPDP encl, contineous duty, sel regulated through AVR conforming to IS:4722 with Class F/H insulation. The salient feature are as under : (a) Permanent lubricating bearing (b) Permissible overloading of 10% for one hour in every 12 hrs of contineous operation (c) Permissible unbalancing capability minimum 25% per phase

(E) ACCOUSTIC ENCLOSURE FOR DG SET :- Supply and fixing accustic enclosures suitable for 125 KVA capacity diesel Generator set duly fabricated of channel and CRCA sheet 16SWG of required size having doors , insulation sides and top by minral rock wool confirming to IS-8183 of adequate thickness accoustic louvers /outlet. ventilation system etc . complete as per manufacturers instructions with wiring and lighting arrangements duly painted of three coats of dulux gloss synthetic enamalled paint over a primer coat or as directed of suitable size all as required at site and comprising of the following :-

(i) Base: MS channel fabricate MS channel made out of 5 mm thick MS sheet of ISMC suitable section . (ii) Structure heavy duty rectangular MS box channel . (iii) Doors fabricated from MS CRCA 2 mm thick air tight with neoprene rubber gasket and gun metal heavy duty spring loaded locks . (iv) Out side cover: Made out of CRCA sheet 2 mm thick. (v)Accustic insulation ( side &Top ) sound proofing minerla rock wool slab thickness 100mm of density 96Kg/m3 confirming to IS 8183 , covered by fire Resistant fiber tissue as per manufacturer recommandation .Test report from original manufacturer to be submitted before incorporation in the work for authenticity of material . (vi) Inside cover : CRCA perforated sheet 0.6mm thick powder coated (vii) Inspection port : Aluminium frame with double walled glass fixed type sealed with neoprene rubber gasket for viewing instrument panel (viii) Sheet metal shall be eleven tank pretreated and powder coated.

(F)AMF CONTROL PANEL:- As per manufacturer's design with the following options: (a) Start/ stop settings including delay and timing setting duly programmable. (b) programmable timing for idle running . (c) Auto/ manual option. (d) Self starting kiks for three times or as per programme . (e) Alarm for any fault with buzzer and indicating lamp . (f) One main supply voltage monitor . (g) One alternator supply voltage monitor . (h) One set of DC control relays and timers. (j) One set of control relays for the automatic control system .

(G) FOUNDATION:- RCC Fuoundation M 20 ( or as per manufacturer design) ,250 mm overall height, 100mm above floor level and 150 mm below floor level of required size. (Make of Engine :-Cummins/Kirloskar oil engine/ /Greaves Cotton/Perkins/Caterpillar (FGW) (Make of Alternator :Kirloskar electric/Stamford/Jyoti/BHEL/CROMPTON GREAVES

(H) Acoustic Louvers / Attenuators at Air inlet/outlet :-The acoustic louvers provides excellent sound attenuation and good weather protection. Single blade and chevron blade louvers are manufacturefrom 16 SWG CRCA sheet top section with an acoustic in fill of resin bonded mineral rock wool has a density of 96 Kg/m3 .The under section is formed from 18 SWG CRCA performed sheet after covering with resistance tissues to prevent fire migration or by means of acoustic lined ducts. Make:- Jackson/Greaves Power/Cummins/KIRLOSKAR GREEN

(J) FUEL TANK :- One No of sheet metal steel tank made out of 3.0 mm thick MS sheet of suitable capacity of hold diesel sufficient for 12 hours running at full load, tank shall be fitted with in canopy as per manufacturer's design including the following:- (i) Level indicator to indicate level of diesel in tank. (ii) Drain plug with 2.0 mtrs pipe for drain oil. (iii) fuel strainer. (iv) Pipe for fuel. (v) Air vent. (vi) Mannually operated one no. fuel pump.

(K) INSPECTION PORT :- Aluminium box frame with double welded glass fix type sealed with EPDM/neoprene rubber gasket, for viewing instrument panel.

NOTE :- (a) Generating set will be placed on suitable foundation as recommended by manufacturer and cost thereof shall be included on the prices quoted . (b)Tools shall be supplied as per manufacturer,s instructions and cost thereof shall be included in the price quoted . (c) DG Set shall be placed at the site directed by Eng-in-charge which can be upto 20 meter from the road. (d) Testing of DG set shall be done as per relivant clause of PS.

Supply & laying cable XLPE insulated PVC sheathed, galvanised steel strip of wired armored. Electric power cable (heavy duty) 1100 V grade with stranderd aluminium conducter of size 95 Sqmm 3.5 core complete all as specified and directed.

Excavation in trenches in any type of soil and not exc 1.5 m wide and n.exc 1.5 m in depth for laying of cable and fixing poles, stays etc and getting out complete all as specified and directed

Returning , filling in including spreading leveling, watering and well ramming in layers not exceeding 25 cm thick with excavated soil complete all as specified and directed.

M&L river washed and screeened dry fine sand filling in trenches below and above / around under ground cable for cable protection including punniing around cable complete all as specified and directed.

M&L for well brunt bricks sub class 'B' in old size as cable protection laid flat width wise complete all as specified and directed.

Removing excavated material (surplus soil) to a distance not exceeding 50 mtrs and depositing where directed at a level not exc 1.5 m above the starting point all as specified and directed.

Supply and laid 80 mm GI light grade pipe for cable protection complete all as specified and directed.

Supply and fix ON LOAD changeover switch Rotarty pedestial type, 415 Volt in sheet metal enclosure 4 pole of capacity 200 amps including necesaary fixing arrangement with PCC, connecting incomer and outgoing cables complete all as specified and directed.

Earthing complete with galvanized mild steel earth plate (electrode) 600 x 600 x 6.00mm thick buried directly in ground earth pit not less than 2.25 mtr deep below ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all round the plate using 32x6mm GI strip earthlead welded and riveted to earth plate at one end and connected to main switch / control switch of the building at another end GI earth strip encased in and including 40 mm dia GI light grade pipe and 20 mm dia GI 'meadium grade' pipe as water pipe from earth chamber to upper edge of earth plate, CI funnel with wire mesh fixed on water pipe and PCC 1:2:4 type B-1 using 20 mm graded stone aggregate as in pit chamber and RCC pit cover 50 mm thick precast RCC 1:2:4type B-1 duly reinforced with MS TMT bars 8 mm dia @ 150 c/c both ways and with 10 mm dia MS bar in lifting handle , excavation , earth work including laying the GI pipe concealed in floor / wall all as described in electrical plate no 3 of SSR Part I

NAVEEN ENGINEERS AND CONSULTANTS