REPAIR/MAINT OF LT DISTRIBUTION SYSTEM IN TECH AREA, LT CABLE, OTHER CONNECTED ITEMS IN DOMESTIC AREA, FEEDER PILLER BOX/PANEL, CONNECTED WORKS AND ESSENTIAL REPAIRS AND PEROIDICAL SERVICE OF ELECTRIC SYSTEM, ACB, LT PANELS, OTHER EQPTS AT AF STN BKT

All as per item No 81 above but 250 Amps, 4 Pole, breaking capacity 36 KA complete all as specified and directed.

Triping Coil

Closing Coil

LED Charging indicator

Under voltage relay

closing spring

Fixed copper conductor

Moving copper conductor

Material & labour for erection of naming and sign board made from ACP sheet material of size 4 feet x 3 feet (approx) with Red/blue coloured shade,retro -reflective 3M quality on both side of sheet for day and night vision including writing letters or figures(Block,Roman,Italic or Indian) n exc 30 cm high (duplicate type on both sides) made from white radium stickering material and sheet supported by stainless steel, heavy duty round pipe of medium dia 40mm and all board structure is supported on strong heavy duty 50mm dia stainless steel pipe of length as per site requirement (minimum 2 Nos x 2.50m) with steel round ball structure on top of pipe including PCC 1:3:6 type C2 using 40 mm graded stone aggregate for foundation of poles with PCC 1:2:4 type B1 using 20mm graded stone aggregate for coping & necessary framework finished fair using extra cement and required earth work in any type of soil complete after taking out old all as specified and directed by Engr-in-Charge.

M&L for load balancing of Single/three phase system at LT Panel upto Distribution box of any size and capacity complete including disconnecting of existing cables and refixing the same as per load balance requirement including replacement of burnt/carbonized aluminium tube terminal of any size and capacity all as specified and as directed by Engr-in-charge. Note : (i) Necessary equipment and safety measures required for load balancing shall be arranged by the contractor without any extra cost. (ii) Cost of New aluminium tube terminal of any size as per site requirement under the job shall deemed to be included in the quoted rate.

Servicing and repair / maintenance of LT panel Board including checking of MCCBs, Bus bar , cable lugs, voltmeter, ammeter and CT coil etc for healthy operation and repairs / replacement of MCCB, BUS bar, Voltmeter, Ammeter ,Current Transformers (CTs) and replacing of defective control wiring if any replacement of defective cable lugs and complete for Indoor type / Outdoor type LT Panel of various capac

S&F in replacement of MCCBs thermal magnetic including necessary fixing arrangement of capacity 400 Amps, 4 Pole, breaking capacity 36 KA complete all as specified and directed

All as per item No 12 above but 630 Amps, 4 Pole, breaking capacity 50 KA complete all as specified and directed

ity including necessary addition/ alternation of panel including cutting/ welding/ hinges of front and back side of panel board /feeder to match the existing panel board/feeder complete all as specified and directed. Note:- Major spares like MCCB, Volt meter, Ammeter, Busbar and CT's, Epoxy insulator will be measured and paid seperately.

S & F of LT epoxy insulator for suitable busbar including nut and bolts complete all as specified and directed

Supply and fixing of CT coil (100/5 Amp rating) complete all as specified and directed

Supply and fixing 1100 volt grade PVC insulated unsheathed multistranded 4 Sqmm copper cable confirming to IS 694 FRLS fixed on control wiring of LT panel/ACB all as specified and directed.

Supply and fixing of indicator lamp (RYB ) all as specified and as directed.

Material and labour for earthing complete with galvanized steel earth plate electrode 600mm X 600mm X 6mm buried directly in ground vertically to a depth not less than 2.25 meter below normal ground level (with top edge of earth plate not less than 3.25 meter below ground level) connected to galvanised iron strip of size 32x6 mm by means of galvanized bolts, uts and washers with connected to earth test point & to main switch board /panel etc. all as specified and testing on completion with and including necessary excavation and earth work in any type of soil, earth electrode, earthing lead from electrode to equipment/substation/panel etc, adequate quantity of charcoal dust and common salt, test point, PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) for earth pit with 40 x 40 x 6 mm mild steel angle iron frame for cover, pre cast RCC (1:2:4) type B-1 (using 20mm graded stone aggregate) 40mm thick cover reinforced with 8 mm dia TMT bars 3 Nos both way with 12mm dia round bar handle, GI light grade watering pipe 20 mm dia with funnel,wire mesh all as shown in electrical plate no. 3 of SSR Part I of 2009 and 15 mm dia GI light grade pipe earth lead protection complete all as specified and directed.

M&L for painting of existing LT/HT pole upto 9 / 11 meter height with two coat of aluminium paint complete including preparation of old painted surfaces and including making blue / black colour paint strip of 15 cm width including writing the Pole Nos. complete all as specified and directed.

Supply and fixing LT Danger notice plate of size 250mm x200 mm made of mild steel 1.6 mm thick and vitreous enamel wide on both side and inscription in signal red colour with skull and bone on front side complete all as specified and directed.

S & F in replacement of service connection 1100 volts grade heavy duty cable PVC insulated copper conductor served PVC sheathed of size 2.5 Sqmm 2 core complete all as specified and directed.

Supply and fixing MCB 4 pole 100 Amps, 240 Volts 50 HZ, 10 KA breaking capacity, 'C' curve complete all as specified and directed

Supply and fixing three phase street light control PVC encloser IP 66 with timer, contractor rating 40 Amps/TP, MCB rating 40 Amps/TPN astronomical type maximum load 12-18KW complete all as specified and directed.

Material and labour for earthing complete with copper earth plate electrode 600mm X 600mm X 3.15mm buried directly in ground vertically to a depth not less than 2.25 meter below normal ground level (with top edge of earth plate not less than 3.25 meter below ground level) connected to copper strip of size 20 x 3mm main earthing lead by means of galvanized bolts, uts and washers with connected to earth test point & to main switch board /panel etc. all as specified and testing on completion with and including necessary excavation and earth work in any type of soil, earth electrode, earthing lead from electrode to equipment/substation/panel etc, adequate quantity of charcoal dust and common salt, test point, PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) for earth pit with 40 x 40 x 6 mm mild steel angle iron frame for cover, pre cast RCC (1:2:4) type B-1 (using 20mm graded stone aggregate) 40mm thick cover reinforced with 8 mm dia TMT bars 3 Nos both way with 12mm dia round bar handle, GI light grade watering pipe 20 mm dia with funnel,wire mesh all as shown in electrical plate no. 3 of SSR Part I of 2009 and 15 mm dia GI light grade pipe earth lead protection complete all as specified and directed.

Draw out & dismantling Air circuit breaker 415 Volts, AC 3 Phase 1250 Amps, carrying out servicing and replacement of defective parts as mentioned below and refitting in same position and testing complete all as specified and directed. (i) carrying out servicing of electrical and mechanical mechanism by manufacture rep of ACB by cleaning lubricating, grinding and tightening and making the system functional and testing functionality complete in all respect. (ii) Replacement of unserviceable parts in ACB:-- Electronic triping coil,closing spring, breaker coil, Under voltage relay fixed & moving copper conductor and charging indicator. Note :- Major spares will be measured & priced separately as per directed by EIC.

Detection of pin point fault in LT cable (burried in ground/under road/path up to depth of 1.5 m) by cable fault locating machine comprising impulse generator, acoustic fault locator and reflectometer (laptop based) complete all as specified and as directed by Engr-in-Charge. Notes-(1) Cable fault locating machine to be arranged at site within 12 hrs after intimation (2) Earth work will be measured seperatly.(3) Cost of transportation in unit rate is deemed to be included in quoted rate. Location:-AF stn BKT.

Taking out old serviceable /unserviceable under ground cable from trenches/poles /pipe/floor of size 50 Sqmm 3.5/4 core to 120 Sqmm 3.5/4 core complete all as specified and directed

Material and labour for chemical earthing by drilling a hole of 100mm dia and 4.70 mtr in depth in any kind of soil and providing a 3.0 mtr long pure copper strip of size 32x6 mm duly encapsulated in copper pipe of 80mm outer dia and filling the hole advance non toxic earth enhancing back fill compound quantity not less than 30kg and water till complete soaking of chemical water mixture and providing a cylindrical type FRP earth pit chamber of size 254mm dia at top ,330mm dia at bottom and 260mm height and 7.5 m long copper strip of size 32mmx6mm as earth lead conductor duly protected with 65mm bore medium grade GI pipe from terminal point to earth test point and duly connected with terminal point through breezing and to connect with earth test point with brass bolt nuts and washers of suitable size and fixed on wall by mounting the strip of FRP/DMC bridge insulator and providing a test point a terminal block made of gun metal of phosphorus bronze of size 75mmx75mmx25mm duly drilled and screwed and fixed on wall on insulators including 3 Nos 8 mm dia 25mm long hex head brass screw complete with removing of excavated soil to a distance not exceeding 50mtr and height n exc 1.5 m from the starting point and testing on complete all as specified and directed.

All as per item No 29 above but XLPE Cable of size 70 Sqmm, 3½ Core complete all as specified and directed

All as per item No 29 above but XLPE Cable of size 120 Sqmm, 3½ Core complete all as specified and directed

Supplying, laying, passing through pipe, connecting and testing UG cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade (Note:- Excavation, Earth Work pipe etc will be measured and paid separately) XLPE Cable of size 50 Sqmm, 3.5 Core complete all as specified and directed

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

Removing surplus excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above ground level from starting point complete all as specified and directed

M&L for sand cushioning in trenches for protection of LT under ground cable including watering and consolidation complete all as specified and directed. (Note:- punned thickness shall be measured only)

Supplying and laying un-reinforced precast concrete cable cover, Class LV, Type I, flat, size 250mm x 150mm x 40mm complete all as specified and directed.

Excavation in trenches in soft/loose soil , not.exc 1.5 mtr wide and not.exc 1.5 mtr deep and getting out in soft/loose soil for laying of cable/foundation of pole and stay etc complete all as specified and directed.

All as per item No 37 above but 160 Amps, 4 Pole, breaking capacity 36 KA complete all as specified and directed

S&F in replacement of MCCBs including necessary fixing arrangement complete all as specified and directed, of capacity 100 Amps, 3 Pole, breaking capacity 16KA complete all as specified and directed

All as per item No 37 above but 350 Amps, 4 Pole, breaking capacity 36 KA complete all as specified and directed

Taking out old serviceable /unserviceable under ground cable from trenches/poles /pipe/floor of size 16 Sqmm 3.5/4 core to 35 Sqmm 3.5/4 core complete all as specified and directed

All as per item No 37 above but 200 Amps 4 Pole breaking capacity 36 KA complete all as specified and directed

All as per item No 42 above but XLPE Cable of size 25 Sqmm, 3½ Core complete all as specified and directed

Re-use and laying only old cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 16 sqmm to 35 Sqmm 3.5/4 Core complete all as specified and directed.

M&L for heat shrinkable straight through jointing kit of 1.1 KV grade 25 Sqmm to 50 Sqmm x 3.5 core XLPE cable including suitable size of connector complete all as per directed by Engr-in-charge including necessary excavation and earth work, labour, Jointing kit complete, fixing charges & T&P including removing of grass/shrubs nearby the fault location all as specified and directed. MAKE:- M-seal, Raychem, CAB Seal, Denson.

Taking out old serviceable /unserviceable under ground cable from trenches/poles /pipe/floor of size 10 Sqmm 3.5/4 core complete all as specified and directed

All as per item No 46 above but for XLPE Cable of size 70 Sqmm to 120 Sqmm x 3.5/4 core complete all as specified and directed

Supply and fixing aluminium thimble, cable gland and lux after disconnecting from panel and taking down burnt cable from panel of different location and cutting out the burnt portion of cable and extended the cable from cable loop, preparation of cable including necessary connection and testing for 25 Sqmm 3.5 core to 50 Sqmm 1100 volt grade sizes complete all as specified and directed (Note: (i) 01 Job consisting of 04 Nos Lugs/thimble at one end of cable (ii) Rate of necessary Earth work for opening of loop if required at site are deemed to be included in the quoted rate.)

All as per item No 46 above but for XLPE Cable of size 150 Sqmm to 185 Sqmm x 3.5/4 core complete all as specified and directed

Supply and fixing of On LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 200 Amps complete all as specified and directed.

Supply and fixing in repair copper strip 20mmX3 mm complete with saddles and fixing screws for fitting the strip for earth continuity conductor complete all as specified and directed.

Supplying, laying, passing through pipe, connecting and testing UG cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade (Note:- Excavation, Earth Work pipe etc will be measured and paid separately) XLPE Cable of size 16 Sqmm, 4 Core complete all as directed.

M&L for Cable route markers made of cast iron 10 mm thick 6" dia with "LT Cable" mark and indication of direction and in casting welded to angle iron 40x40x6mm, 450mm long embedded in PCC block 1:2:4 B1 (20mm aggregate) of size 150x150x300mm deep complete all as specified and directed

M & L for PCC 1:4:8 (nominal mix) type D-2 using 40mm graded crushed stone aggregates as in foundation filling land mass concrete for poles and stay/installation paths complete all as specified and directed.

All as per item No 49 above but size of cable 70 sqmm to 120 Sqmm 3.5 core 1100 volt grade complete all as specified and directed

M& L for PCC 1:2:4 (nominal mix) type B-1 using 20mm graded crushed stone aggregates stone aggregates as in coping for poles and stay/installation paths complete all as specified and directed.

S&F steel tubular swaged poles complete with MS base plate of size 300 mm x 300mm x 6 mm thick, finial taper plug, bolts, nuts and screws as specified type 410 SP-31 (09 meters long) and providing 3 Nos of 30cm wide circular bands with Aluminium & blue paint starting from plinth level at a gap of 30cm in between 2 bands and numbering of poles, and numbering of the poles shall be done with synthetic enameled painted letter of shape & size alongwith two coat of aluminium paint over a coat of primer including preparation complete all as specified & directed. Note:- Excavation & PCC work in any type of soil will be measured & Paid separately.

M& L for PCC 1:3:6 type C-1 using 20mm graded crushed stone aggregates including use and waste of form work for pole foundation complete all as specified and directed.

M&L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of two coat of synthetic animals paint over a coat of primer complete all as specified and directed one primer coat, one under coat and one finishing coat of paint complete all as specified and directed

All as per item No 42 above but XLPE Cable of size 35 Sqmm, 3½ Core complete all as specified and directed

Taking out old serviceable /unserviceable under ground cable from trenches/poles /pipe/floor of size 95 Sqmm 3.5/4 core complete all as specified and directed

Taking out old serviceable /unserviceable under ground cable from trenches/poles /pipe/floor of size 150 Sqmm 3.5/4 core to 185 sqmm 3.5/4 core complete all as specified and directed

Dismantling of steel tubular poles of 9/11 metre height embedded in concrete, including breaking of concrete up to the bottom of the foundation, and removing the poles for reuse/deposit in the E

Fixing only steel tubular poles/GI pipes obtained from item No-55 complete with suitable size of cast iron plate, final taper plug bolts, nuts & screws complete all as specified and directed.

All as per item No 64 above but XLPE Cable of size 95 Sqmm, 3½ Core complete all as specified and directed

All as per item No 64 above but XLPE Cable of size 150 Sqmm, 3½ Core complete all as specified and directed

All as per item No 64 above but XLPE Cable of size 185 Sqmm, 3½ Core complete all as specified and directed

Re- laying, passing through pipe, connecting and testing UG cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade (Note:- Excavation, Earth Work pipe etc will be measured and paid separately) XLPE Cable of size 10 Sqmm to 50 Sqmm complete all as specified and directed.

All as per item No 68 above but XLPE Cable of size 95 sq mm 3½ Core complete all as specified and directed

M&L for drilling hole under hard standing /road in different locations as per site requirement (between 03 mtr to 12mtr maximum) for laying of pipe, for protection of cable etc by any means and without disturbing the top surface and making good the disturbed surface if any complete all as specified and directed

Supply and laying GI tube light grade 80 mm bore (ISI marked) complete for protection of cables etc complete all as specified and directed.

/M store yard, complete all as specified and as directed.

Taking down existing old LT panel board/ LT feeder pillar box comprising of MCCB & switch fuse unit of any capacity and size including bus bar, ammeters, voltmeters etc after disconnecting all cable connection and removing from site complete all as specified and directed.

Supplying, laying, passing through pipe, connecting and testing UG cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade (Note:- Excavation, Earth Work pipe etc will be measured and paid separately) XLPE Cable of size 10 Sqmm, 4 Core complete all as specified and directed.

S&F in replacement of MCCBs adjustable type including necessary fixing arrangement complete all as specified and directed, of capacity 250 Amps, 4 Pole, breaking capacity 36 KA complete all as specified and directed

Supply installing, erecting commissioning and new factory made LT panel board outdoor type, 415 V 3 phase & 4 wire system cubical of suitable size for housing of all equipment & proper heat dissipation, CPRI approved weather /dust proof made out of 3.15mm thick CRCA sheet powder coated with front and back side openable with suitable cable alley protection with bakelite sheet between bus bar & separate cable alley with front side shutters with locking arrangement including Aluminium bus bar insulated with colour coated heat shrinkable sleeves of rating not less than 1.5 times the rated capacity of the incomer MCCB and bus bar chamber covered both side using bakelite sheet partition and wire mesh on back side of cable alley for the protection purpose. All type test certificates and design verification with switch gear (as per confirming to IS/IEC-61439/2011 Part -I and part-II with short circuit test at 65 KA should be submitted by the contractor before execution the job. The bus bar shall be mounted on F clars insulators with intervals not more than 500mm. All inter connection between the main bus bar as well as incoming/outgoing feeders shall be carried out with TPN aluminium bus bar on rating not less than 1.5 times rated capacity of individual outgoing feeders.

All as per item No 68 above but XLPE Cable of size 150 Sqmm to 185 sqmm 3½ Core complete all as specified and directed

S&F 1100 Volts grade LT Ammeter (0 - 500 A) digital square, flush & CT type with CT's including necessary addition/ alternation of panel including cutting/welding of front side of panel board /feeder to match the existing panel board/feeder taking out of unserviceable Ammeter complete all as specified and directed.

M&L for Spray painting to existing LT panel board with two coats of synthetic enamel high glow paint Ist grade including preparation/cleaning of steel surfaces all as specified and directed.

Supply installing,erecting commissioning and new factory made LT panel board outdoor type , 415 V 3 phase & 4 wire system cubical of suitable size for housing of all equipment & proper heat dissipation,CPRI approved weather /dust proof made out of 3.15mm thick CRCA sheet powder coated with front and back side openable with suitable cable alley protection with bakelite sheet beetween bus bar & separate cable alley with front side shutters with locking arrangement including Aluminium bus bar insulated with colour coated heat shrinkable sleeves of rating not less than 1.5 times the rated capacity of the incomer MCCB and bus bar chamber covered both side using bakelite sheet partition and wire mesh on back side of cable alley for the protection purpose .all type test certificates and design verification with switch gear (as per confirming to IS/IEC-61439/2011 Part -I and part-II with short circuit test at 65 KA should be submitted by the contractor before execution the job.The bus bar shall be mounted on F clars insulators with intervals not more than 500mm. All inter connection between the main bus bar as well as incoming/outgoing feeders shall be carried out with TPN aluminium bus bar on rating not less than 1.5 times rated capacity of individual outgoing feeders. All control wiring shall be with FRLS PVC insulated 2.5 sqmm multi stranded copper conductor and shall be properly bunched.

S&F LT volt meter (0-500v) digital square, flush type of size 96x96 mm including necessary addition/ alternation of panel including cutting/welding of front side of panel board /feeder to match the existing panel board/feeder including taking out of unserviceable Volt meter complete all as specified and directed.

All as per item No 81 above but 160 Amps, 4 Pole, breaking capacity 36 KA complete all as specified and directed.

M&L for GI strip of size 25 x 3.15 mm for Earth continuity conductor or main earthing lead fixed on wall on insulator or PVC pipe or chases or burried in ground or fixed to poles or any other indicated situation for loop earthing etc as directed .

Supplying and fixing 1100 volts grade PVC insulated copper conductor of size 10 Sqmm 2 core complete all as specified & directed.

Labour only for removing all vegetation for LT Panel/Feeder Pillar near about 2 Mtr all around and all as specified and directed. (Location- Airforce station Domestic area)