SPECIAL REPAIRS TO EXTERNAL POWER SUPPLY FROM BB YADAV GATE TO TRANSMITTING STATION AT NAVAL BASE AND SPECIAL REPAIR / REPLACEMENT OF BER TRANSFORMER AND CONNECTED ACCESSORIES AT NAVAL AIR ENCLAVE UNDER GE NAVY PORBANDAR

Amount

Supply, laying and jointing Cable XLPE insulated screened PVC bedded galvanized steel strip or wire armoured electric power cable (Heavy duly) with stranded aluminium conductor cross sectional area 95 sqmm 3core suitable for working on 11000 Volts earthed system, laid in tranches, in floor, in ducts, through pipe or along pole complete all as specified and directed. Note :- Excavation, earthwork, sand cushioning, PCC protection cover, GI pipe shall be measured and paid for separately.

S&F Cable jointing kit for 11KV (Earthed) grade cable for indoor end termination, heat shrinkable type complete with jointing material and accessories suitable for 3core XLPE armoured aluminium conductor cable of size 95 sqmm fixing complete all as specified and as directed.

S&F Cable jointing kit for 11KV (Earthed) grade cable for outdoor end termination, heat shrinkable type complete with jointing material and accessories suitable for 3core XLPE armoured aluminium conductor cable of size 95 sqmm fixing complete all as specified and as directed.

Cable jointing kit for 11KV (Earthed) grade cable for Straight through joint heat shrinkable type complete with jointing material and accessories suitable for 3core XLPE armoured aluminium conductor cable of size 95 sqmm fixing complete all as specified and as directed.

Excavation in trenches in Soft / loose soil n.exc 1.5 m wide and n.exc 1.5 m deep and getting out for taking out/laying of cable, GI pipe lines and foundation compete all as specified and as directed.

Excavation in trenches in Hard / dense soil n.exc 1.5 m wide and n.exc 1.5 m deep and getting out for taking out/laying of cable, GI pipe lines and foundation compete all as specified and as directed.

Returning, filling in trenches in soil, rock including spreading, levelling watering and ramming in layer n.exc 25 cm complete all as specified and directed.

Removing excavated material soil/rocks n.exc. 50 m, depositing where directed at a level n. exc. 1.5 m above the starting point, complete all as specified and directed.

Precast concrete cable cover unreinforced, ISI marked class HV types 1 flat size 450mm x 180mm x 40mm having minimum average breaking load 200Kg, complying IS:5820-1970 made of concrete used of grade M-20, laid flat in trenches over the cable with the length of concrete cover perpendicular to the direction of the cable length, adjacent / abutting each other complete all as specified.

Fine dry river sand cushion in trenches for cable protection with a layer of sand 8cm thick before laying of cable and 15cm thick after laying of cable in trenches complete all as specified and directed. NOTE:- Only compacted thickness will be measured and paid.

Galvanised tubing light grade 100 mm nominal bore for passing of cable, fixed to poles / walls / laying under floor/ roads complete with and including fittings, clamps nut bolts as required complete all as specified and as directed.

Supply and fixing switch air break gang operated out door type HT 11 KV triple poles 400 Amps air break fittings type with fixed contacts of phosphorus bronze and moving contacts of copper with mechanically operating from ground level vertical mounted completed with HT insulator on steel frame operating rod made out of 25mm GI pipe medium grade worked from ground level with handle and locking arrangement with 9 insulators with drop out fuses with test complete all as specified and directed.

HT lightening arrester metal oxide type (gap less) for out door use complete with all fittings and fixing arrangements, transmission class discharge capacity 65 kilo amps suitable for 11000 volts including brackets, clamps, nuts, bolts, washers and connecting to earth wire 4mm dia GI with manufacturers test certificate,including taking out fixed in repair / replacement complete all as directed.

Earthing complete with galvanised mild steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level steel earth plate connected with GI wire 04mm dia by means of lug, bolts, nuts, check nuts, washers of galvanised iron or steel GI protection pipe 15mm bore light grade all as shown in elect plate No 3 of SSR part I - 2009 and connecting to main switch board / Main DB’s including excavation, earth work in any type of strata , salt and charcoal dust mixed and packed 150mm thick around GI earth plate, GI pipe medium grade 20mm nominal bore as watering pipe GI sheet funnel wire mesh, concrete pit, RCC cover 40mm thick in PCC 1:2:4 type B1 duly reinforced with CRS Bars 8mm dia at the rate of 100mm centre to centre both way with 12mm dia lifting handle and pit / chamber constructed 50 cm away from the edge in PCC 1:3:6 type C1, Angle iron 40x40x3mm frame for pit cover including testing on completion, as in replacement, complete all as specified and directed.

Supply and fixing earth continuity conductor or main earth lead fixed to wall on batten or recess or cheses or buried in ground drawn in conduit/pipe or fixed to the pole or any other situation for loop earthing etc as required 25x4mm GI strip complete all as specified and directed.

Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as specified and directed.

Cutting of hard standing/ Road for laying of pipe line and making good surfaces by using PCC 1:2:4 type B-2 after laying of pipe line/ cable up to 30cm in depth and width not exceeding 45cms and removing rubbish outside MD land complete all as specified and as directed.

Cable route indicator 15 cm dia made out of cast aluminium duly marked with size and type of cable fixed on 25X25X3mm angle iron of 45 cm long support embedded in PCC 1:3:6 type C1 of size 250X250X300mm and painting to angle iron with two coat of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Supply, laying and jointing Cable XLPE insulated screened PVC bedded galvanized steel strip or wire armoured electric power cable (Heavy duly) with stranded aluminium conductor cross sectional area 240 sqmm 3.5 core suitable for working on 1100 Volts earthed system, laid in tranches, in floor, in ducts, through pipe or along pole complete all as specified and directed. (for substation to ward room and Comcen Sub station to Comcen bldg.) Note :- Excavation, earthwork, sand cushioning, PCC protection cover, GI pipe and protection clamps shall be measured and paid for separately.

Precast concrete cable cover unreinforced, ISI marked class LV types 2 flat size 250mm x 150mm x 40mm having minimum average breaking load 200Kg, complying IS:5820-1970 made of concrete used of grade M-20, laid flat in trenches over the cable with the length of concrete cover perpendicular to the direction of the cable length, adjacent / abutting each other complete all as specified.

Supply, laying and jointing Cable XLPE insulated screened PVC bedded galvanized steel strip or wire armoured electric underground power cable with stranded aluminium conductor cross sectional area 16 sqmm 4 core suitable for working on 1100 Volts, laid in tranches, in floor, in ducts, through pipe or along pole complete all as specified and directed. Note :- Excavation, earthwork, sand cushioning, PCC protection cover, GI pipe shall be measured and paid for separately.

Steel tubular swaged poles swan neck type complete with cast iron base plate, finial taper plug, Cap, mild steel bolts, nuts,screw, etc. type 410 SP-31(9.0 meters long) erected in vertical position embedded in PCC foundation including painting with two coats of aluminium paint over a coat of primer and synthetic enamelled paint in alternate white and black strips 30cm wide each up to 1.5 Mtr height from top of coping complete all as specified and directed. Note :- Earth work, PCC for foundation and coping shall be measured and paid for separately.

PCC 1:3:6 type C2 using (40 mm graded stone aggregate) as in mass concrete / foundation of pole including necessary use and waste of form work complete all as specified and directed by Engineer-in-Charge.

PCC 1:2:4 type B-1 using (20mm graded crushed stone aggregate) in copings, Benching, kneelers, apex stones, bed plates, kerbs, saucer drain(including finishing top surface of drain even and smooth without using extra cement), water troughs and the like including weathering, slightly rounded or chamfered angles and throating, and similar work including use & waste of necessary form work complete all as specified and as directed.

Endura pearl plus LED Street light 70 W elegantly designed highly efficient high power LED street light with pressure die cast aluminium housing, with individual LEDs with modular secondary optics IP66 protection complete all as specified and directed. Make : Havells ENDURACITYLINERNEOSL 70WLED75PASYBOTG or its equivalent model of make Philips / CG.

Hot press moulded SMC junction box 240mm x 130mm x 95mm (inside dimension) fixed with left side hinges and cable terminals with one number 5 Amp SP MCB fixed to pole with clamp nuts,bolts etc complete all as specified and directed by Engineer-in-charge. Make: Sintex Cat No :- GSJB -2817 or equivalent model of makes specified.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 1.5 sq mm 2 core 1100 volts grade complete all as specified and directed.

JETA PRO 70 LED flood light 70W luminaire grey powder coated dire-cast aluminium housing, built in control gear faceted anodised aluminium reflector heat resistant toughened clear glass cover fixed in repair / replacement complete all as specified and directed. Make : Havells JETAPROFL70WLED757LTG or its equivalent model of make Philips / CG.

Dismantling of the defective transformer outdoor from its base including removing the necessary electrical connection and removing the transformer from DP structure and taking the transformer to the MES store yard, complete all as specified and as directed.

Supply ,install, testing and commissioning of distribution transformer step down, oil cooled, copper wound LT and HT coil, Outdoor 200 KVA, ECBC-compliant having maximum allowable transformer losses of 1.88% at 50% load and 2.44% at full load complete with standard fittings , H T 11 KV,3 phase, LT 415 volts, 3 phase, 4 wire, vector group DYn 11 with off load tap changer switch on HT side to vary secondary voltage within limit (+) 5% , (-) 7.5 % in steps of 2.5 % AN all as per IS -11171-1985 with bushing on HT side suitable for flexible copper end connection duly filled with transformer oil as required quantity complete with all standard accessories as per IS specification and including coneecting to existing HT/LT connections all as specified and as directed. (a) Lifting lugs for transformer and tank. (b) Earthing terminals rating and diagram plate. (c) Air release divice lifting lugs for transformer and tank.

Supply and fixing lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable of 11000 Volts, fixed in repairs complete all as specified and directed.

Earthing complete with galvanised mild steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground vertically (earth pit not less than 2.25mtr deep below ground level) with top edge of the plate not less than 1.5mtr below normal ground level steel earth plate connected with GI earth strip 32x6 mm by means of lug, bolts, nuts, check nuts, washers of galvanised iron or steel GI protection pipe 15mm bore light grade all as shown in elect plate No 3 of SSR part I - 2009 and connecting to main switch board / Main DB’s including excavation, earth work in any type of strata , salt and charcoal dust mixed and packed 150mm thick around GI earth plate, GI pipe medium grade 20mm nominal bore as watering pipe GI sheet funnel wire mesh, concrete pit, RCC cover 40mm thick in PCC 1:2:4 type B1 duly reinforced with CRS Bars 8mm dia at the rate of 100mm centre to centre both way with 12mm dia lifting handle and pit / chamber constructed 50 cm away from the edge in PCC 1:3:6 type C1, Angle iron 40x40x3mm frame for pit cover including testing on completion, as in replacement complete all as specified and directed.

Supply, installation,testing and commissioning outdoor LT panel board of suitable for working on 3 phase, 4 wire, 415 volts, AC, 50 hz, outdoor type, cubicle , floor mounted, free standing, dust and vermin proof, air ventilation with IP-54 protection fabricated out of 3.15 mm thick CRCA sheet outer body and 2 mm thick inner body duly pretreated in 7 tank process powder coated in siemens grey colour inside and out side with IP-54 protection. Panel shall have front and rear opening with hinged type door and rubber gasket, handles, industrial type locking arrangement, cable alleys,bus bar chamber and switch gear compartment, bottom cable entry holes for incoming and outgoing cables, earthing terminals,affixing danger notice plate, each compartment shall be numbered/lettered for indication,copper bus bar TPN 200 Amps rating duly covered with heat shrinkable sleeves of colour coaded duly fixed on DMC/SMC insulators including control wiring with PVC insulated, flexible, multistranded copper conductor cables of adequate size and adequate length, control fuses duly ferruled,crimped with suitable lugs/thimbles. Panel board shall be mounted on MS angle iron frame fabricated out of 40x40x5 mm angle iron of suitable size duly painted and including PCC 1:2:4 type B1 (using 20 mm graded stone aggregate) as in foundation/platform etc as per site requirement. The panel board shall be CPRI approved of make / manufacturer as specified here-in-before complete all as specified and directed and comprising of following:-

Supplying and laying synthetic Rubber insulated mat 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 directed.

SURESH ELECTRICALS

Harsh Infrastructure

vijay infraprojects pvt ltd