PROVISION OF WATER AND ELECTRICITY SUPPLY FOR OPERATION OF FIRE FIGHTING TRAINING FACILITY AT NAVAL BASE, KOCHI

Amount

Supply, install, testing and commissioning of outdoor, both side extendable HT 12 KV rated voltage and 11 KV operating voltage,21 kA for 3 seconds, 3 phase 50 Hz,IP 54, SCADA compatible,motorised, four way Ring Main Unit (+CCCC+) Type : four load break motorised isolators, battery charger, totally enclosed metal clad switch gear 24 volt DC battery bank and charger, having rated current of Ring Switch and Breaker is 630 Amp, copper bus bar with danger notice board with factory made weather proof CRCA sheet enclosure of minimum thick ness 2mm by the switchgear manufacturer and with internal arc classification with AFLR with 21 kA for one second connecting existing cables to new RMU. The unit shall be painted in RAL7012/7032/7035 paint shade with folowing specifications and all as per the IEC 62271 –200. (a) Ring Switch/Isolator (i) Capacity 11 KV, HT, 630 Amps. Triple pole, single break, having three position ('ON', 'OFF' and 'EARTH') Ring Main Switches, each with independent motor charged spring mechanism and fully rated earth switch. (ii) Air insulated cable boxes with gland plate suitable for bottom entry of single run of three core cable up to 300 sqmm. (iii) Cable Bushings (iv) Capacitive Voltage Indicator with LED Display. (v) Mimic diagram on front panel, complete with status indicators (ON-OFF-EARTH). (vi) Motorised assembly (vii) Fault Passage Indicator (viii) Angle Boots-NON TOUCH PROOF. (b) General spacifications : (i) One set of positive standard mechanical interlocks to avoid unsafe operations. (ii) Provision of pad locking for open, close, earth position in correct sequence. (iii) Mano meter for indicating SF6 gas pressure with green and red zone. (iv) Minimum 2.5 mm thick stainless steel SF6 tank with robotically welded construction with IP67 protection. (v) External stud for earthing connections. (vi) SF6 Gas re filling provision. (vii) Extendable bushings for future extension with metallic end cap cover. (viii)Battery with charger. (ix) Necessary weather protection roofing using galvolume sheet to be provided and cost should be deemed in the quoted rate. (x) Foundation for RMU as per the recommendation of manufacturer. (c) Manufacturer of panel board shall be CPRI approved. Make: ABB/SIEMENS

Supply and laying cables in trenches, or fixing on walls or passing through cable duct / pipe XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured electric power cables (heavyduty) with aluminium conductor, 11000 volts, grade having cross sectional area 3 core 185 sqmm complete all as specified and as directed.

Supply and fixing of cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 sqmm complete all as specified and as directed.

M&L for PCC 1:3:6 type C2 (using 40mm graded stone aggregate) as in foundation, filling and mass concrete complete all as specified and as directed.

Excavation in tenches not exceeding 1.5M in depth and not exceeding 1.5M wide for laying pipes and getting out in soft/loose soil complete all as specified and as directed.

Returning fitting in soil inclduing spreading, leveling , watering and well ramming in layers not exceeding 25 cm complete all as specified and as directed.

Removing excavated materials not exceeding 50 Mtr depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed. Note:- The removed material shall be dumped inside the Naval Base/Kataribagh all as directed by Engg in Charge

M & L for sand filling in trenches for cushioning of HT cables punning after filling complete as specified and as directed Note: Punned thickness shall only be measured and paid

Supply and lay un-reinforced precast concrete cable cover , class ,HV , Type I as per IS -5820 with flat size 300 x 180 x 40 mm laid dry in treches over under ground cables complete all as specified and as directed.

S&F cable route indicator over the HT cables made out of cast iron block of size 15 x 10 cm and thickness 10mm fixed with MS strip of size 32 x4 mm upto length 75mm and marked with 'MES HT cable 185/240/300 SQMM' as required on cast iron block including PCC and earth work complete all as directed.

M & L 100 mm bore High density polyethylene pipes (HDPE) PN 10 laid in trenches/Wall/road crossing for suitable length as per sire requirement all as specified.

Cutting into existing bituminous carpet road/PCC hard standing/tiles for laying of pipes/UG cables, re filling, ramming and making good the disturbed surfaces to match with the existing and for road cutting cold mixed bitumen to be used all as directed by Engg in Charge

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.

Materials and labour for earthing complete with galvanised iron earth plate electrode of size 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with and including galvanised earth strip of size 32 x 6mm by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected upto system or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion all as specified and as directed .

supply and laying 75mm inner dia of CPVC pipes with CPVC Sch 40 pipes & Plain Sch 80 fittings and joined with CPVC primer & solvent cement including taking down old unserviceable PVC/PP R/GI tubing laid in trenches complete all as specified and as directed.

Supply and laying 50mm outer dia CPVC pipes SDR 13.5 & plain CPVC SDR 11 fittings including jointed with yellow solvents cement including taking down old unserviceable GI tubing laid in trenches complete all as specified and as directed.

Supply and fixing 50mm bore CPVC ball valves suitable for CPVC pipe with necessary fittings includig taking down old one complete all as specified and as directed.

Supply and fix valves sluice flanged of class 1.0 PN 80mm dia complete all as specified and as directed.

M&L for construction of brick masonry valve pit of size 0.9X0.9X1m (Internal diamensions) including excavation and earth work in any type of soil,PCC 1:2:4 type B2 in foundation brick work in CM 1:4,15mm thick plastering in CM 1:4 internally and flush pointing externallly in same mortar . Angle iron frame work 40X40X6mm,with 6mm thick MS sheet cover with 12mm dia handle and locking arrangement (including lock & 2 keys) and two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed. Note: Rate shall be deemed to be inclusive of demolition old valve pits

Cutting the existing 100mm CI/DI pipe line for inserting DI Tee 100X100X80mm for taking branches complete all as specified and as directed. Note: (a) Earth work shall be measured and paid seperately (b) Rate quoted includes DI fittings and all accessories