IMPROVEMENT/AUGMENTATION OF LT DISTRIBUTION SYSTEM AT CGAE NEDUMBASSERY AND PROVISION OF STANDBY POWER SUPPLY CABLING FOR CGAE KOCHI AND PROVISION 3 PHASE SUPPLY FOR ELECTRIC COOKING RANGE AT SHIPS GALLEY AND OFFICERS MESS KITCHEN.

Amount

Excavation in trenches in soft/loose soil not exceeding 1.5 mtr wide and not exceeding 1.5 meter in depth for taking out and laying UG cable and getting out, excavated earth, forming bottom surfaces to required level complete all as specified and directed.

Returning, filling in soil including spreading leveling, watering and well ramming in layers n.exc.25cm thick complete all as specified and as directed.

Removing excavated soil and depositing to the sides and returning filling in including spreading leveling watering and well ramming in layers n.exc 25cm thick in soft/loose soil after cable is laid complete all as specified.

Supply,spreading and levelling clean dry sand in trenches all as specified for cable protection complete all as specified and as directed. Note: Punnned thickness shall be measured and paid.

Supply and lay unreinforced precast cable cover size 250X150X40 mm LV1 complete all as specified and as directed.

Supply, laying or passing through pipe LT, XLPE insulated, galvanised steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor 1100 Volts grade of size 300 Sqmm 3.5 core including connecting/testing after taking out from trenches/ pole unserviceable LT UG cable complete all as specified and directed. Make:- Havells/Polycab/Asian/Nico/Incab

Supply, laying or passing through pipe LT, XLPE insulated, galvanised steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor 1100 Volts grade of size 16 Sqmm 4 core including connecting/testing after taking out from trenches/ pole unserviceable LT UG cable complete all as specified and directed. Make:- Havells/Polycab/Asian/Nico/Incab

Supply & Fix on load change over switch heavy duty 3 phase, 400 Amps capcity, 4 pole 415 volts 50 Hz in standard sheet metal enclosure, powder coated, siemens grey colour and fixing complete all as directed by Engr-in-charge. Make: Indoasian Cat No:ICAS0320 or equivalent in Havells/Crompton Greaves/L&T/Standard

Material and labour for 50 mm dia galvanized iron tube light grade for cable protection, supporting to poles, plinth protections, road crossing, trenches, footpath etc including clamps, nut, bolt and washers etc after taking out unserviceable pipe complete all as specified and directed.

S & F LT Control panel board, outdoor type,double door, cubical type, padestal mounted, of suitable size, CPRI approved having, IP 55, independent compartment for bus bar, incoming feeder and each out going feeders, dust and vermin proof & lockable, factory made, fabricated out of 3.15 mm thick CRCA sheet suitable for 3 Phase 415 volts 50 Hz, AC supply, bus bar chamber with Horizontal aluminium bus bar of 750.Amp rating for 3 phase and neutral 4 wire system duly insulated with heat shrinkable type sleeves as per colour code, supported on epoxy insulators - 01 Set incl necessary copper cables of suitable size for MCCBs/MCBs / change over swicth / inter connections, common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals, cable glands with independent plates at bottom for each out going and in coming cables in cable alley panel board and painted with powder coating in siemens grey colour and provision for the following incoming and out going accessories all as approved and comprising as under :Main LT panel. The LT Panel comprising of the following:-

Incoming:- Incommer (a) Change over switch 4 pole 400 Amps 01 No. (b) MCCB 4 Pole, 415 V. 50 KA with Thermal Magnetic Release (Manual Fixed type) of capacity 400 Amps Metering Unit:- (a) RYB Indications (LED Type) - 1 sets (b) Digital Multi function meter-01 No. (c) CT's-600/5A, CL-1,15 VA-1 set Outgoing:- (a) MCCB, thermal magnetic release, 4 pole, 415 Volts, 250 Amps, breaking capacity 35 KA-02 No Ics=100% Icu (b) MCCB, thermal magnetic release, 4 pole, 415 Volts, 160 Amps, breaking capacity 35 KA-02 No.Ics=100% Icu (c) MCCB, thermal magnetic release, 4 pole, 415 Volts, 100 Amps, breaking capacity 35 ΚΑ -03 No.Ics=100% Icu (d) MCCB, thermal magnetic release, 4 pole, 415 Volts, 32 Amps, breaking capacity 25 KA-02 No. Ics =100% Icu (for STP+ Treated Water) (e) Angle iron base frame as reqd size as per above panel, total leg height 600 mm and grouting in side PCC 150 mm legs and made out of ISA 50x50x6 mm thick angle iron duly painted-01 Nos

Supply and fix danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white with letters figures and conventional skull and bones in signal red clour and fixed with MS clamps bolts ans nuts of approved size for HT 20X15 cm size complete all as specified and directed.

Earthing with Galvanized steel earth plate electrode of size 600mmX600mm, 6.00 mm thick buried directly in ground vertically to a depth not less than 2.25 metres below the normal ground level with top edge of the plate not less than 1.5m below normal GL and connected to galvanized iron strip of size 32 x 6 mm size by means of bolts, nuts, check nuts and washers of galvanized iron steel all as shown in Electrical Plate No.3 connecting to earthing test point, including necessary earth work in any type of soil, PCC earth chamber made in PCC 1:3:6 type C1 (using 20mm graded aggregate), common salt, charcoal, CI funnel, earth pit cover in RCC 1:2:4 type B1 (using 20mm graded aggregates), with 8mm CTD bars @ 100mm c/c in both ways, including necessary form work complete including necessry test on completion including taking out old earthing all as specified and as directed. Note : The unit rate shall also include for excavation, earth work in hard/dense soil PCC (1:3:6) type C1 pit, RCC cover slab, GI funnel with 20 mm dia watering pipe, wire mesh, 40mm dia light grade GI protection pipe for earth lead etc., complete

Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 1.1 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m, complete all as specified and as directed.

M & L for point wiring with PVC insulated unsheathed multistranded copper conductor cable 1100 volt grade, FRLS of size 4 Sqmm drawn in and including PVC caping and casing surface wiring including modular metal flush box of suitable size with inner and outer white plastic plate (same make of switch and socket) including continues 4 Sqmm copper conductor (multistranded) PVC insulated and unsheathed cable earth wire to common earth and connected to earth dolly complete all as specified conforming to IS-694 for the following:- (a ) One 3 pin socket outlet 16 Amps on Independent board

Supply and Fix Modular Switch 1 way, 16 Amps, 1 module complete all as specified and as directed.

Supply ans fix Modular socket combination 16 A, 6 pin, 3 module complete all as specified and directed.

Supply and fix Distribution board (DB) made out of sheet metal enclosure (CRCA sheet), dust and vermin proof, SPN 8 way with 200 Amps rated copper bus bar double door protection, neutral bar,earth bar, single pole and neutral 240 volts, MCBs used as incommer flush to wall complete all as specified and as directed.

Supply and fix MCB TPN 415 Volts, 50Hz, 3 phase of capacity 40 Amps to 100 Amps, C curve 10 KA breaking capacity, fixed properly in DB and connecting/testing complete all as specified and as directed.

Supply and fix MCB SP 6-32 amp rating 240V, 10KA 'C' curve miniature circuit breaker (MCB) of single pole in the MCB DB,IP 20 transparent lebel holder fully insulated safety shutters suitable for cable up to 35 Sqmm cross sectional area complete including suitable size copper Lugs complete all as specified and directed.

Supply & Fix on load change over switch heavy duty 3 phase, 630 Amps capcity, 4 pole 415 volts 50 Hz in standard sheet metal enclosure, powder coated, siemens grey colour and fixing complete all as directed by Engr-in-charge. Make: Havelles cart part No IHYFCDE630 or equivalent in C & S/ L & T

Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m, complete all as specified and as directed.

LALA CONSTRUCTION (BID ID -3358971)

Phoenix engineers and construction (BID ID -3366959)

M/s VJ ENTERPRISES (BID ID -3358538)

ELAN ENGINEERS (BID ID -3359751)