PROVISION OF STABILISED POWER SUPPLY (DG) FOR NCN EQUIPMENTS AT INS VISHWAKARMA UNDER AGE E/M NO-II OF GE (U-I) VISAKHAPATNAM

Supply, installation, commissioning and testing of silent, diesel engine driven factory assembled floor mounted, generating set of capacity 50 KVA/ 40 KW, 3 phase, 4 wire, 50 HZ, 1500 RPM complete with safety control, the engine shall be compatible to CPCB-IV + norms and having inbuilt emission control system to reduce PM level and metering equipments mounted on common base frame on new PCC foundation required at site and as recommended by manufacturer all as specified and as directed comprising of the following: - (Contd...)

(Contd...) (A) Prime Mover directly coupled, diesel engine, turbo charged, water cooled suitably de-rated of matching BHP for driving 50 KVA/ 40 KW capacity alternator electric start conforming to IS- 8528 with prime rated power rating, G1 class and capable for taking 10% over load for one hour complete with the following accessories: - (i) Fly wheel to suit flexible coupling (ii) Flexible coupling with guards (iii) Air cleaners with filters (iv) Lubricating oil filter, fuel filter, fuel pre filter (v) Anti-vibration pads as recommended by manufacturer (vi) Fuel injecting system with injection pump, nozzles, governer (mechanical) of suitable capacity (vii) Electric start equipment (viii) Dynamo/ alternator for charging battery - 1 No along with cutout (ix) Lead acid storage battery 12 volts, as recommended by manufacturer along with copper battery lead and connector (x) Battery rack made out of MS angle (xi) Standard safety device (xii) Exhaust silencer (Residential Silencer) with exhaust piping of suitable size brought out side the building and complete length of silencer and exhaust piping continously wrapped with 12 mm dia asbestos rope and suitable anti-vibration arrangement around pipe passing through wall. (xiii) Electric/ mechanical as per manufacturer instructions panel duly wired and comprising of the following: (a) Lubrication oil temperature gauge - 1 No (b) Lubrication oil pressure gauge - 1 No (c) Water temperature gauge - 1 No (d) Starting switch with key - 1 No (e) Battery charging ammeter, battery charging lamp and fuse box, voltmeter, engine speedometer, engine running hours meter, frequency meter (f) Indicator lamp etc. (Contd...)

(Contd…) (B) Alternator 50 KVA/ 40 KW at 0.8 power factor, self regulated, self excited, screen protected 3 phase with neutral 415 volts 50 Hz 1500 RPM complete with automatic voltage regulator including making cable connections, insulation class - H and alternator control panel as supplied by manufacturer. (C) Base Frame : sturdy, MS fabricated, channel iron base frame for mounting the engine & alternator (D) ACOUSTIC ENCLOSURE of suitable size to accommodate DG set 50 KVA/ 40 KW, modular construction, fabricated out of cold annealed CRCA sheet duly epoxy painted.Doors to be provided with high quality EPDM gasket, duly epoxy painted. The canopy to be equipped with fans of reputed manufacturer for air circulation. Rock wool to be used for insulation. (E) AMF CONTROL PANEL OEM MANUFACTURED SUITABLE FOR OUTDOOR INSTALLATION WITH BY PASS ARRANGEMENT : Supply, Installation, testing and commissioning of AMF (Automatic Mains Failure) panel OEM manufactured suitable for generating set of capacity 50 KVA factory made, fabricated out of CRCA sheet (3.15 mm thick) of suitable size, with AMF panel with double contactors and MCCB's as per Powerica standards totally enclosed, dust, damp and vermin proof free standing floor mounted type and front operated, degree of protection required will be IP-54 conforming to IS 2147 with and including necessary foundation.

Supply, laying, commissioning & testing of LT XLPE insulated, galvanized iron srip armoured heavy duty electric cable with alumimium conductor, 1100 volts grade, cross sectional area 35 Sqmm x 3.5 Core, laid in trenches / duct / on pole / wall complete all as specified and directed.

All as per Sl item No. 2.00 herein before but cross sectional area 95 Sqmm x 3.5 Core

Excavation in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, laying cables etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft / loose soil complete all as specified and directed.

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

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

M&L sand cushioning with clean and dry river sand in trenches for protection of UG cable and including punning down complete all as specified and directed. Note:- Punned thickness of sand coushioning shall only measured and paid.

Supply & laying sub class 'B', designation '75' bricks of old size, laid over sand cushioning along alignment of cable as protection to cable in trenches complete all as specified and directed. Note : Sand cushioning will measured and paid separately.