PROVISION OF 30 KVA INDEPENDENT POWER SUPPLY FROM KSEB AT KASARGOD AT AF STN CHIMNEY HILLS SPL WORK UNDER GE AF TRIVANDRUM

Amount

Supply , Laying and testing cable of XLPE Insulated , screened PVC bedded galvanized steel strip or wire armoured electric power cable (Heavy duty )1100 Volts grade with stranded aluminium conducror size 120 sqmm 3.5 core all as per directed.

Excavation in trenches not exc 1.5 Mtr wide and not exc 1.5 Mtr in depth for laying of UG cable and getting out in laterate soil strata (soft disintegrated rock mixed with hard soil all as specified and directed.

Returning, filling in incl spreading ,levelling watering and well ramming in layer n exc 25cm in using excavated soil (of good quality ideal for returning/ filling) each layer complete all as specified and directed.

Removing excavated surplus material to a distance n exc 50m and depositing where directed at level n. exc 1.5m above the starting point all as specified and directed.

Supplying and laying reinforced precast concrete cable cover, class ELV, type 1 with peak, size 250mm x 150mm x 40mm flat perpendicular to axis of cable for protecting complete all as specified and directed by Engineer - in - Charge.

Supply and filling fine Sand to the full width of trench for cushioning of cable protection including spreading and punning down complete all as specified and directed by Engineer - in - Charge.

Supply install testing and commissioning Auto Mains Failure Silent type Close coupled Diesel Generating set 30 KVA Emission complaint & Noise complaint CPCB-IVdeveloping of suitable Bhp, water cooled coupled with 30 KVA (24 KW) , 3 phase, 415 Volts, 1500 RPM Micro Processor based engine controller with Remote Monitoring facility , Std control Panel with 4 Pole 63 Amps MCCB, A base frame, foundation as per OEM specification, batteries with leads and other accessoriers with type approved KG Canopy as a complete set. Control Panel should be installed inside of the canopy, including first fill of lube oil and Engine safeties- LLOP, HWT suitable for ambient condition at Trivandrum. The capacity of Generator set shall be net after all due derating factors as per relevant IS/BS Standards design. Make: Kirloskar i Green/ Cummins / Greaves -cotton

Note :- (i). The quoted rate shall be deemed to be inclusive of first fill of oil and final successful acceptance test and foundation of DG Set as per norms/manufacturer's instruction. (ii) The quoted rate shall be deemed to be inclusive of 12 hours test run at site as specified in PS in presence E/M Offr detailed by accepting officer, all testing arrangements/ equipments diesel shall be made available by the contractor for tests . (iii) The complete DG Set shall be procured from authorised OEM of the manufacturer of engine. A certificate in this connection shall be submitted to the GE. (iv) Anything missed out above but technically required for efficient working of DG Set is deemed to be included in quoted rates.

(a) Scope of Supply - Diesel engine shall be 4 Cylinder, water cooled, of suitable, BHP at 1500 RPM, Liquid cooled Diesel engine consisting of Fly Wheel with starter ring, Lub Oil filter, Air cleaner, Residential Silencer, 12V starting system with starter, alternator charging ammeter, expansion bellows, Lub Oil cooler, Lub Oil filter, Centrifugal bypass filter, radiator, radiator fan and mounting, In-line monoblock fuel pump with governor, Battery charging alternator, engine control panel consisting of OFF/ON/START switch keys, lub oil pressure gauge, lub oil temp, gauge, Liquid temp. gauge, charging ammeter, engine protection system for low lub oil pressure and high Liquid temp, 12V stop solenoid with mounting. The engine shall generally confirm to IS 10002:1981, BS 5514 DIN6217, ISO 3046 standards. The engine will have the following standard accessories. Radiator with fan and fan guard

Flywheel housing and flywheel suitable for single bearing alternator. Inline fuel pump Dry type air cleaner (Replaceable two element air filtration system) Exhaust Silencer (residential / hospital type) with Expansion bellows - 2 Nos. Lube Oil filter (Spin on type) Fuel filter (Spin on type) and water separator Mechanical governor confirming to class A2 with integral fuel system suitable for isochronous operation Lube Oil Cooler Exhaust gas driven turbocharger Charge air cooler (air-to-air type) 12V Electric starting system with starter motor and alternator

(b) Digital Engine Control Panel : ON/OFF START Key Lube Oil pressure indication Water temperature indication Battery charging indication Electronic Hour meter Engine speed Coolant level status Auto start facility - inbuilt Controller for electronic governor Indication and trip facility for low lube oil pressure, high water temperature and over speed Engine inputs suitable for communication with computers for remote monitoring with optional RS485 or RS 232 Fuel gauge indication

(c) ALTERNATOR: 30KVA , 24 KW, 3 phase, 415V, 0.8.p.f, 4 wire 50hz at 1500 - RPM self - excited and self-regulated alternator. The voltage regulation will be +/-1% (for Brushless type).The insulation system is class “H”. The alternators are designed, built and tested to IS 4722/1992. BS 5000 part 99, IEC: 34 -1 or any other equivalent Indian or international standards. (d) BASE FRAME Base frame is fabricated in formed sheet metal, primer coated and painted. The base frame is rugged in construction and designed for mounting Kirloskar/KOEL engine and KG brush less alternator close coupled, with cross members mounted on AVM. The base frame is having provision of lifting hook for conveninent lifting to complete set.

d) Acoustic Enclosure Type Approved acoustic Enclosure. Acoustic enclosure shall be powder coated and fabricated out of 16 SWG CRCA MS sheet. The silent cano py shall be of nut bolt type construction. Critical processes of punching is done on CNC machines to maintain dimensional accuracy of holes within 0.1 mm. Power coating is done after seven-tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE-RETARDANT foam as acoustic material. Four hinged doors shall be provided to canopy, one door shall have glass window for Engine control panel. Sound level will be 75 dB at a distance of one meter on free field conditions as per CPCB norms. The base plate & top is powder coated / painted with OXFORD BLUE / PEPSI BLUE, the canopy is powder coated / painted with IVORY colour.

((f) Surface Treatment-Painting The enclosure surface shall be suitably treated for degreasing, degusting and phosphate. The canopies are passed through seven-tank treatment thoroughly. Performance Parameters (g) The average sound level, when measured in green field condition (ISO 3744 or 8528 PT 10) at 1-meter distance from all four sides shall be less than 75 db averages or as per CPCB norms.  The average stabilized hot air temperature rise with in the canopy is maintained with in 10o C over and above ambient temperature.

(f) Fuel Tank :Fuel tank shall be fabricated out of 16SWG CRCA MS sheet and duly painted and fitted with inlet and outlet connections with a capacity of not less than 100 Ltrs (g) Battery with leads: Exide/Prestolite/Amron make dry uncharged - 1 Nos, 12V battery with leads capacity designed by manufacturer and terminals including 3 year minimum warranty.

(k) AMF Panel : Panel shall be Out door type fabricated of CRCA Sheet 3.15 mm thick of IP 54 Protection powder coated inside and out side incl aluminium busbar of suitab complete confirm to IS 8623 and built with the following items: - (a) 63 Amps, 4 pole contractor for Alternator. (b) 63 A, 4 pole duty contractor for FB mains (c) Microprocessor based AMF module for DG panel. (d) Emergency stop (e) Multifunction V, A, PF, KW, KWH Meter with CRT suitable capacity, 15 VA, Class 1. (f) 125 A Aluminium bus bar. (g) 63 Amps, TP MCCB (2 Nos) + Nil for EB & DG Incomers. (h) Fault indications and CT indicatiors for DG on, Load on, Load on DG, Main on, Load on Mains.

Supply and fix XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 50sq mm 3.5 core all as specified and directed by Engr-in-charge.

M&L for cement concrete (1:2:4) type B2 with 40 mm graded aggregate for poles / stays/ foundation all as directed by Engr- in - Charge.

M &L Earthing complete with galvanised steel earth plate electrode 60cm×60cm× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth strip dia32x6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion.

K P DIVAKARAN (BID ID -3442707)

SUPER COOL (BID ID -3438609)