PROVN OF DG SET FOR SECURITY OR PERIMETER LIGHT AT JALAPAHAR UNDER AGE(I) DARJEELING

Amount

Installation, testing and commissioning of diesel engine driven generating set (DG Set) 40 KVA with sound-proof Acoustic Enclouser cover to control the noise level as per limit of central pollution control board(CPCB-IV) with STD Panel, 3 Phase 415 volts 1500 RPM, 4 wire 50 cycles with two years maintenance spares and set of tools as recommended by manufacture comprising of the following:- (Sl No. 1.01 to 1.05 deem to be part of this item)

(A) Prime Mover / Engine :- Suitable for driving 40 KVA alternator, water cooled, battery start diesel engine of adequate BHP conforming to BSS frame pedestal support with anti-vibration pad rated for continuous running capable of taking 10% over load for one hour in any 12 hrs operation with the following standard accessories and monitoring facilities:- (i) Fly wheel with starter ring (ii) Flexible coupling with guard (iii) Air cleaner oil bath type/dry type (iv) Lubricating oil filter (v) Fuel Pump with Governor (vi) Radiator, radiator fan and mounting (vii) Governor for class ‘A’ governing as per IS-1601 of DS 349/1958 (viii) Starter, motor for electric start complete with dynamic alternate, lead acid batteries Pre-carged heavy duty of capacity 12 Volts and suitable capacity and size and length of cable not less than 2m long including battery box all as directed. (ix) Hour and RPM indication indicator (x) Exhaust pipe as per OEM specification.

(B) Instrument/Control panel duly wired comprising of the following features. (i) Control Panel consisting of built in on/off/Start Key (ii) Battery charging voltmeter (iii) Electronic Hour meter (iv) Indication & Monitoring of Oil Pressure & Safety trip in case of Low Oil Pressure. (v) Indication & Monitoring of Coolant Tempreature & Safety trip in case of High Coolant Tempreature. (vi) In-built engine shut down system in case of Engine Overspeed (vii) Indication & Monitoring of Fuel level and alarm (viii) Over Current relay (ix) Over/ under voltage relay (x) Over / under frequency relay

(C) ALTERNATOR 40 KVA/32 KW at 0.8PF of brush less self excited, self regulated 3 phase, 50Hz 415Volts, 1500 RPM 4 wire screen protected drip proof free from stimulation problem continuous rating conforming to BS5000/IS:4722. The salient features of alternator are as under:- (i) Casing protection: As per IP-23 (ii) Over load capacity : 10% of one hour in any 12 hrs of operation (iii) Repair/Maint tools to be supplied with DG Set as under:- (a) STAINLEY 91-931-12 Master tool set of make : Stainley or equivalent (iv) Acoustic Enclouser: Floor mounted acoustic enclouser suitable for 40 KVA DG Set as per CPCB Norms (v) Insulation Class alternator winding:- CLASS "H".

NOTE :- (i) Any fitting/fixtures are deemed to be included above which are required for its proper functioning (ii) Necessary foundation for installation of DG Set shall be provided and cost deemed inclusive of the rates quoted above. (iii) CPCB approval certificates

WARRANTY : The generating set carry the respective manufacturer’s warranty for a period of TWO YEARS or 5000 hrs whichever is earlier and TWO YEARS for Alternator from the date of supply for any in herent manufacturing defect as per manufacture’s norms.

Material and labour for earthing complete with galvanized steel earth plate electrode 600X600X6 mm thick buried directly in ground (earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level, connected to GI strip 32X6 as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Part-I including necessary excavation and earth work PCC (1:3:6) type C-1 with 50 mm thick pre cast RCC (1:2:4) type B-1 cover slab (reinforced with 8 mm dia deformed bar @ 15 cm C/C both ways and suitable handle of 10 mm dia round bar) including providing charcoal or coke and common salt in alternate layers of 15 cm compacted thickness all around the earth electrode, with funnel and 20 mm bore galvanized iron watering pipe (medium grade) wire mess lugs, complete in all respect, GI earth trip protected by 40 mm bore (light grade) galvanized iron pipe and other end connected with main switch board or earthing test point as directed including proper lugs, including disposal of soil to a distance not exceeding 50m and necessary testing on completion, complete all as specified and as directed.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum / amendments and general condition of contracts before entry / quoting the rates.

TSHERING WANGYAL BHUTIA (BID ID -3059498)

M/S S. S CHETTRI AND SONS (BID ID -3058705)

HIRA SINGH (BID ID -3061460)