REPLACEMENT OF ONE DG SET OF 750 KVA WITH A NEW ONE INCLUDING ITS AMF PANELS AND COOLING TOWER COMPLETE AT RESTRICTED AREA THROUGH MES UNDER GE E/M BASE HOSP, DELHI CANTT-10

Amount

M & L for taking down, dismantling & shifting existing 750 KVA DG from existing bay of basement of the bldg by using suitable capacity of T & P @ cranes , and necessary manpower etc after disconnecting of DG complete and its connected assessories( all types of cables, change over, panels , AMF Panels and switch gears) from its existing location with cranes and necessery tools and manpower. Note Rate shall be included for dismantling /reassembling of canopy of adjesent DG set if necessary as per site requirement.

Supply installation, testing and commissioning of diesel Engine driven generating set of 750 KVA capacity 3 phase, 12 cylinder, 4 stroke cycle, 4 wire, 415 V, 1500 RPM AC power supply with power factor 0.8 coupled directly to alternator mounted on a common base plate complete with integral acoustic enclosures (should have salient features) modular bolted construction & pure polyester based coating to ensure long life in all weather conditions & for indoor application / installation, integrated design thereby facilitating / easy handling. The design of integral acoustic enclosure should be approved by National Physical laboratory as per central pollution control board (CPCB) latest regulation / norms with fuel tank, battery & standard accessories, tools & spares as provided by manufacturer complete with necessary weather proof shed with MS pipe 80 mm dia for column and 40 mm dia MS pipe for beam and arms with CGI sheets and PCC foundations with block measonary work and plastering complete as per OEM specification and all as specified and directed by Engineer in charge with following specifications:- Note The DG set to be installed at the basement of the high rise building and all the items to be assembled at the basement only. (A) ENGINE- Heat Exchanger (HE) cooled diesel engine developing 1069 BHP at 1500 RPM capacity to match the 750 KVA alternator under NTP conditions of ISO : 3046 with provision of 10 % over load for 1 hour in every 12 hours running confirming to BS 5514/ IS 10001/ 10002. The noise level is 75 dB (A) at distance of 1 mtr in open free field environment as per ISO 8528. The Engine shall consist of the following :-

(i) Fly wheel with starter ring (ii) Flexible coupling with guard (iii) Dynamo of suitable capacity (iv) Air cleaner heavy duty dry (v) Fuel injection pump (vi) Radiator fan ( Blower type ) with guard (vii) Mechanical governor (viii) Fuel filter (Mounted) (ix) Lubricating oil filters ( mounted) (x) 12 v self regulating alternator belt driven by engine (xi) Exhaust silencer heavy duty residential type (xii) Corrosion resistor /scale inhibitor (xiii) Starter 12 V DC (xiv) Lubricating oil cooler (xv) Lubricating oil pump (Gear type ) (xvi) Turbo charger (xvii) Exhaust piping shall be insulated with asbestos rope duly cladded with aluminium sheet. (xviii) Instrument panel complete with following :- (a) Auto manual Starting switch with key (b) Lubricating oil temperature gauge (c) Lubricating oil pressure gauge (d) Water temperature gauge (e) Battery charging ammeter (f) Battery charging indicating lamp (g) Hour meter with RPM indicator (h) Safety control against high temperature of water. (j) Safety control against low lubricating oil pressure (k) Over speed stop with double driven adopter (l) Emergency stop button

(B) BRUSH LESS ALTERNATOR (i) Alternator coupled to engine indigenous make through a flexible coupling mounted on sturdy steel fabricated base frame suitable for mounting on a permanent foundation brushless alternator shall be confirming to IS/ICE 60034 (I) or relevant of IS-4722/ IS 13364 Make: Stamford/Crompton Greaves/Catler Pillar (ii) Type ;- Self excited self regulated with automatic voltage regulator . (iii) Rating :- 750 KVA at 0.8 PF lagging 4 pole horizontal at NTP condition . (iv) Speed;- 1500 RPM (v) Rated generating voltage system :- 415 V +/- 2.5 % AC 3 phase 4 wire 50 Hz. (vi) Connection :- 4 wire star connected (all six lead brought out of stater frame). (vii) Enclosure ;- Screen protected drip proof . (viii) Ventilation :- Self ventilated. (ix) Insulation :- Insulation class H (x) Voltage regulation - + / 0.5% all load between no load to full load and power factor 0.8 to unity. (xi) Overload capacity - 10% for one hour in any 12 hours of operation without exceeding temperature rise limits specified in IS/ICE 60034 (I) when corrected to ambient temperature at site. (C)CONTROL PANEL The control panel with aluminium bas bar, bottom entry and exit of cable, current transformer, set of control fuses, Multifunctional Meter, it should display time and date, Volts, Frequency, Current, KW, KWH, PF, RPM, Cumulative Run Hours, Oil Pressure, Coolant Temp, Charging current (DC Amp Meter). Emergency off, factory made floor mounted, totally enclosed, epoxy powder coated suitable for 750 KVA DG Set including all necessary operating controlled devices as stated above and ACB of 1250A fixed type 4 pole manually operated as out going with protection fuse for panel instruments duly wired with flexible copper conductor cable and cable connection with lugs/thimbles complete as per latest IS/BS complete all as specified and directed.

(D) ONE SET OF ACCESSORIES COMPRISING OF :- (a) Fuel tank -Additional fuel tank one No. fabricated with 3 mm thick MS sheet with necessary mild steel structure for mounting the tank higher than the DG set) with piping. Capacity of tank shall be to hold diesel 1000 ltrs, with following features (i) Level indicator. (ii) drain plug . (iii) MS class 'C' piping for inlet from pump to tank to engine. (iv) Fuel strainer. (v) Air vent. (b) Fuel PUMP;- Electrical operated fuel pump for filling diesel in the tank of adequate capacity with inlet connection to the tank with 5 meter flexible hose pipe heavy duty for suction of diesel from barrel. (c) Sealed maintenance free Battery :- Heavy duty battery two nos' As per OEM;s recommendation connected to the system fully charged including lead and bty terminal's complete . [Note- The battery shall provided in a tray inside enclosure] . (d) Base plate :- Fabricated out of MS channel's ISMC of suitable size suitable for fixing of DG set with lifting facility all specified by the manufacturer

q) DC Volt Meter 15/30 V r) DC Amp Meter 0-15 A. s) Trickle / Boost switch t)AMF Digital controller SCADA compactable with inbuilt RS 485 Port & Communication cable of Make : Procom Model No ECON-A-322 ( HSN :85030010 or equivalent in Deepsea/ Wood ward ) u) Emergency start & Stop Push Button - 02 Nos. v) Frequency Meter – 01 No (w) --------- x) Control Relay - 01 Set. y) Over Load Relay 2.5-4A. – 01 No. z) Hooter 24 V DC - 01 No. (aa) ---------

(a) The contractor shall visit the site (if necessary) for better understanding the scope of work prior quoting rate.

(b) The quoted rate shall be included for the following scope of work (if necessary) and no any extra cost shall be paid for any addl items requied for testing and commisiioning of the complete DG/stand by electrical supply :-

(i) Requisite control wiring by using copper cable alongwith end termination 2.5 sqmm to 12 sqmm and 2 core to 12 core suitable rating & qty.

(ii) Copper cable for aux panel size/core and qty as per OEM recommendation

(iii) Termination box for alternator -01 No

(iv) Insulation of exhaust silencer as per recommendation of OEM.

(v) Canopy assemblying to DG set in basement.

(vi) Loadining, unloading and shifting of DG set from main road to basement bay.

(vii) Repair of existing platform with brick work and PCC for installation of DG set at location with necessary PCC sub base foundation including minor brick mesonary work etc all as specified. (ix). Testing and commissioning of DG by IEM complete as directed. (x) The contractor shall submit the complete drawing for DG set , AMF panel alongwith sample approval for GE for his approval before installation.

Material and labour for earthing complete with gavanised steel earth plate electrode 60 cm x 60 cm x 6.3 mm thick burried directly into ground ( earth pit not less than 2.25 Mtrs below gorund level) with top edge of the plate not less than 1.5mtr beolw normal ground level, connected to galvanised earth strip 32 x 6mm size upto a distance of 7.5 mtr long by means of bolts, check nuts and washers of galvnised iron or steel all as shown in electrical plate no 5 at SSR Part-I of 2009 connected to earthing test point all as specified and indicated and testing complete including execvation earth work drilling holes for electrode PCC pit & cover , funnel , water pipe , lugs etc. complete all as specified and directed. Note: Quoted rates shall deemed to be included for earth strip with protection pipe up to 7.5 M length.

M&L for GI strip for earthing 32 x 6 mm as earth electrode complete all as specified.

Supply & lay XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip or wire, heavy duty, LT underground cable ISI marked with aluminium multistranded conductor 1100 volt grade of size 1000 Sqmm single core laid in trenches / duct passing through pipe / duct , connecting and testing etc including taking down old cable complete all as specified & directed. Note. (i) Cable shall be connected from (DG bay) AMF panel to existing centralised/common bus bar to LT ACB at power house bay. (ii) Rate for suitable size of copper type thimble/lugs and necessary manpower and T & P shall be inclued in quoted rate.

Supply & lay FRLS insulated, PVC inner sheathed, copper, heavy duty, LT underground cable ISI marked with multistranded conductor 1100 volt grade of size 400 Sqmm single core laid in trenches / duct passing through pipe / duct or connecting and testing etc including taking down old cable complete all as specified & directed. Note. (i) Cable shall be connected from DG set to AMF panel. (ii) Rate for sitable type of copper thimble/lugs and necessary manpower and T & P shall be inclued in quoted rate.

S & F on load changeover switch euroload type four pole rating capacity 1250 A including SS enclosure complete accessories by using MS angle and suitable size of nut bolt fixing on wall/stand all as specified and directed. Make Havells Cat part No IHCNFO1250 + IHCNFE1250 or equivelent.

Supply, installation, commissioning and testing of induced draft top discharge counterflow type FRP Cooling Tower suitable capacity as per recommendation of OEM (Rectangular/Round bottle shape) with FRP body and base, water spray headers, cooling tower fills, fan with motor, supporting base frames, as per manufacturer's standard instructions including taking down old unserviceale all as specified and directed . MAKE-PAHARPUR/ADVANCE/DELTA

Note. The following minimum specifications given are tentative. Before finalization the capacity of of cooling tower , necessary requirement be confimed from the OEM of DG Set by the contractor and cost for the same shall be included in the quoted rate:-

A. DUTY CONDITION. (i) Water flow rate - 850 LPM (ii) Outer water temp - 32.0 C (iii) Inlet water temp - 43.0 C (iv) Design WBT - 28.0 C B. TECHNICAL DETAILS (i) Cooling capacity - 80 TR (ii) Height/Length - 3100 mm (iii) Diameter/width - 2400 mm (iv) Inlet/outlet pipe Diameter - upto125 mm (v) Dry Weight - 800 Kg (vi) Welled Surface Area - 654 m2 (vii) Evaporation Loss - 0.750 % (viii) Blow Down/ Bleed Off - 0.200 % (ix) Heat Rejection Capacity - 300000 Kcal/Hr (x) Operating Weight - 1200 Kg (xi) Pressure at Inlet Flange - 3 MWC (xii) Drift Loss - 0.005 % (xiii) Make up water - 0.955 % C. FAN DETAILS (i) Number of Fans - one (ii) Fan Diameter - 1400 mm (iii) Fan Speed - 960 RPM (iv) Air Quantity - 20160 CFM (v) Number of Fan Blade - Four (vi) Fan Blade Material - Aluminium (vii) Fan Hub Material - Aluminium (viii) Fan Type - Axial Flow

D. MOTOR DETAILS

(i) Number of Motors - 1

(ii) Motor Power - 3.0 HP

(iii) Motor Speed - 960 RPM

(iv) Motor Make - As per list of Makes

(v) Enclosure - TE-WP With IP-55 protection

(vi) Electrical Specification - 415V/ 3Ph/ 50 Hz

(vii) Motor mounting - Flange Mounted

(viii) Type of Motor - Extended Shaft Squirrel Cage Induction Motor

E. MATERIAL CONSTRUCTION

(i) Basin - FRP

(ii) Casing - FPR

(iii) Drift Eliminator - PVC

(iv) Water Distribution Pipe - Galvanised Iron

(v) Fills - PVC

(v) Hardware - Galvanised Iron

(vi) Ladder - Galvanised Iron

(vii) Sprinkler - Aluminium

(viii) Splash Cap

(ix) Mechanical Eqpt. Support - Hot Dip Galvanised Mild Steel

Note : Cost for the following shall be included in the quoted rate :- (a) Foundation/platform with suitable size for cooling Tower at location specified as per recommendation by the OEM. (b) The quoted rate shall be included for minor spares i , e pressure guage , temperature guages and no any extra cost shall be paid for any addl items required for testing and commisiioning of the complete colling tower. (c) Loadining, unloading and shifting of colling tower. (d). Testing and commissioning of Cooling Tower complete as per site requirement.

Material & labour for GI steel tubing size 100 mm dia medium grade for connection from DG to cooling tower with all fitting, clamps , bolts nuts , flanges/socket and wahser etc complete to wall and ceiling or laid in floor including any type of cutting & welding etc and re-fixing of existing accessories where necessary such as butterfly valves, check valves, Y strainer , POT strainer size 100 mm dia complete all as specified and directed.

M & L for MS angle for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint.

Vishal Traders

national engineering

VINAY ENTERPRISES

SNOWY ENGINEERING INC

M/s Dhapola Elevator and Engineering