REPAIR/ MAINT OF EARTHING, LIGHTENING CONDUCTOR, HIGH MAST LIGHT AND FLAME PROOF LIGHT INCLUDING CONNECTING WORKS AT AF STN GORAKHPUR

Amount

M&L for replacement earthing complete with Copper plate 600x600x3.15mm thick electrode & 20x3 mm copper strip as earthing lead buried directly in ground (earth pit not less than 3.0 mtr deep below ground level) with top edged of the plate not less than 2.40 mtr below normal ground level, connected to copper earth lead by means of bolt, nut, check nut and washer of copper strip of size 20X3mm as earthing lead as shown in Electrical Plate No 4 of SSR Part I connected to earthing test point all as specified or indicated and testing on completion including necessary excavation and earth work in soft/ loose soil, earth pit in PCC 1:3:6 type C1 using 20mm stone aggregate, funnel, 20mm dia GI med grade water pipe, 40mm dia GI light grade earth lead protection pipe, CI frame and cover, wire, copper lugs, wire mesh, charcoal or coke and common salt in alterative layer all around the earth electrode compacted thickness 15 cm including excavation and earth work pit cover including disposal of surplus soil to a distance not exceeding 50m, complete testing on completion all complete as shown in electrical plate No. 4 of SSR part No1 all as directed. Note: (a) If less than 5.00 Ohm result has not achieved at site, the contractor is responsible to done grid system to achieve the desired result and no extra payment shall be claimed by the contractor to this effect. (b) Earth continuity conductor of length upto 7.50 mtr from electrode shall deemed to be included in the quoted rate).

M&L for replacement earthing complete with galvanized steel earth plate electrode 600mm X600mmX6mm 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 1.5 meter below ground level) connected to galvanized iron earth strip 32x6 mm, (main earthing lead ) by means of galvanized bolts, nuts and washers all as shown in electrical plate no 3 of MES Schedule Part-I (2009) with connected to earth test point & to main switch board with & including adequate quantity of charcoal dust and common salt alround earth plate & 15 mm dia GI pipe light grade for earth lead protection pipe for suitable length and GI pipe 20 mm dia light grade for watering pipe with funnel & wire mesh including necessary earth work and PCC (1: 3 : 6) type C-1 for earth pit and 40 mm thick precast RCC cover in 1 : 2 : 4 type B1 with 3 Nos 6 mm dia MS bars both ways complete all as specified & directed. Note:(a) If less than 5.0 Ohm result has not achieved at site, the contractor is responsible to done grid system to achieve the desired result and no extra payment shall be claimed by the contractor to this effect. (b) Earth continuity conductor of length upto 7.50 mtr from electrode shall deemed to be included in the quoted rate.

M&L for replacement Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified & directed. Note:(a) If less than 5.0 Ohm result has not achieved at site, the contractor is responsible to done grid system to achieve the desired result and no extra payment shall be claimed by the contractor to this effect. (b) Earth continuity conductor of length upto 7.50 mtr from electrode shall deemed to be included in the quoted rate.

Supply and spreading in layers Magnesium Sulphate (MgSO4 crystal) for repair to existing earthing pit complete all as specified and directed.

M&L for brazing of earthing strips (GI/Copper/Aluminium) by arc/gas welding approx 50mm long tapper joint complete all as specified and directed.

M&L for replacement of bolts stainless steel of size 1/4"x1" with nuts & washer (01 each) complete all as specified and directed.

M&L in replacement for construction of earth pit chamber of internal dimensions of 300x300x250mm in brick masonry built in PCC 1:3:6 type C-1 using 20mm graded stone aggregate for earth pit with pre cast RCC cover slab (1:2:4) type B-1 using 20mm graded stone aggregate 40mm thick reinforced with 8mm dia TMT bars 3 Nos both way with 12mm dia MS round bar handle, GI light grade watering pipe 20 mm dia- 2.0mtr long with funnel and wire mesh including taking out and dismantle of unserviceable earth pits complete all as specified and directed.

S&F in replacement pre cast RCC cover slab (1:2:4) type B-1 using 20mm graded stone aggregate 40mm thick reinforced with 8mm dia TMT bars 3 Nos both way with 12mm dia MS round bar handle for earth pit chamber of internal dimensions of 300x300x250mm complete all as specified and directed

S&F in replacement earth continuity conductor or main earthing lead 32mmx6mm copper strip/earth lead, laid in trench, fixed on walls or any other position including jointing by tinned copper/brass nuts, bolts and washers in addition to brazing at every joint, complete all as specified and directed.

S&F in replacement earth continuity conductor or main earthing lead 20mmx3mm copper strip/earth lead, laid in trench, fixed on walls or any other position including jointing by tinned copper/brass nuts, bolts and washers in addition to brazing at every joint, complete all as specified and directed.

S&F in replacement earth continuity conductor or main earthing lead 32mmx6mm GI strip/earth lead, laid in trench, fixed on walls or any other position including jointing by tinned GI nuts, bolts and washers in addition to brazing at every joint, complete all as specified and directed.

S&F in replacement aluminium strip of size 25x3.15 mm complete with saddle, porcelain insulator and fixing screws, washer/accessories for roof and down conductor complete all as specified and directed.

S&F in replacement Air termination, single pointed copper rod 12mm dia and 300mm long fixed/ tightened properly at directed location/ height complete all as specified and directed.

Labour only for dismantling of unserviceable and abandoned earth pits (above ground) and level the surface up to existing ground level complete all as specified and directed.

Excavation in trenches in soft/loose soil n.exc 1.5 mtr wide and n.exc 1.5 mtr depth and getting out for cable trench complete all as specified and directed.

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

Removing surplus excavated material not exc 50 mtrs and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed.

M&L boring of holes horizontally for laying of upto 25mm dia pipe (minimum depth 600mm from top level) under road, Pavement, hard standing complete all as specified and directed.

M&L for making PCC foundation of size 30x30x40cm depth (for support of watering pipe as well as lightning spikes as reqd) with cement concrete of ratio 1:3:6 type B-1 using 20 mm graded stone aggregate including plastering in CM 1:4, two coat white washing of masonary surface complete all as specified and directed.

M&L for cutting and threading of existing GI pipe of dia upto 25mm for branch connection including provisioning / insertion of 01 No Tee GI of 15 or 20mm dia outgoing complete all as specified and directed.

S&F in repairs galvanised steel water tubes medium grade 15mm dia including all fittings and connection fixed to wall or under the floor complete all as specified and as directed.

S&F in repairs galvanised steel water tubes medium grade 20mm dia including all fittings and connection fixed to wall or under the floor complete all as specified and as directed.

S&F in repair bib tap standard of PTMT any colour high pressure screwed for iron pipes 15 mm dia (Minimum weight 90 gms) complete all as specified and directed.

M&L in repairs for making computerised made PVC sticker as per existing shape/size not exceeding 200mmx300mm width and writing following details in Capital letters form of 25mm height and 10mm width on single side of the sticker in black colour with red or yellow colour back ground as required at site complete shall be paste properly and make to shape as per size of existing MS board complete all as specified and directed with following:- (a) Type of earthing-GI or Copper or Chemical (b) Earthing for which equipment is being connected (e.g. lightning arrester) (c) Number of earth pit and the total number of particular type of earthing for that Bldg/Equipment (e.g. Number-01 Lightning Arrester pit out of 04 Nos pit of same- "LA-01/04")

S&F in repair High density polyethylene pipes (HDPE) of size 40mm dia laid in trenches as well as fixed to wall with provisioning of suitable sizes of MS clamps (1 mtr apart), screws etc for passing of lightning arrester strips complete all as specified and directed.

S&F in replacment porcelain insulators for fixing roof/down conductor including fixing of screws etc as specifed and directed.

Disconnecting all electrical connection and taking down carefully existing unserviceable Hanger light fitting of any description and in any position from hanger and Supplying & Fixing, circular LED Highbay with tapered fin design and excellent thermal management along with IP 66 protection , pressure die cast ,environment friendly, High bay light fitting (WB) with high power 120W LED light complete all as specified. Make: Havells (Cat No SAUCERGENXPROHBP120WLED757P60DBOLTG) or equivalent crompton/philips

M & L for lowering down highmast light assembly from pole disconnecting UNSV highmast light fitting and again lifting up highmast light assembly carefully of any type/height after repair/replacement of highmast lights or submain wiring complete all as specified and directed.(NOTE: Highmast light fitting and Submain wiring will be measured and paid saperately)

S&F LED Highmast light fitting of capacity 200 watt energy saving, environment friendly, long life, exclusive innovative die-cast aluminium IP66 flood light suitable for highlighting architectural façade and general purpose lighting (Highmast) complete with operating voltage 10 degree centigrade to 50 degree centigrade with operating voltage range 140 volt to 270 volt and serge protection upto 10KV with inbuilt SPD complete all as specified and directed. Make : Havells Cat No JETAIRISMAXFL200WLED757PWBLTG)or equivalent crompton/philips

Disconnecting all electrical connection and taking down carefully existing unserviceable flood light fitting of any description and in any position from hanger/wall and Supplying & Fixing 45 to 50 watt LED flood light, energy saving, environment friendly, long life exclusive innovative die-cast aluminium canopy fixture with high power LEDs as light source suitable for lighting under canopy complete all as specified. Make: Philips BVP120LED47CW or equivalent crompton/Havells

Supply and laying in repairs weather proof cable 1100 volts grade heavy duty cable with PVC insulated aluminium conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed 10 sq. mm 2 core nominal cross section in service connections complete all as specified and directed.

S&F(in repair) LED Highmast light fitting of capacity 400 watt energy saving, environment friendly, long life, exclusive innovative die-cast aluminium IP66 flood light suitable for highlighting architectural façade and general purpose lighting (Highmast) complete with operating voltage 10 degree centigrade to 50 degree centigrade with operating voltage range 140 volt to 270 volt and serge protection upto 10KV with inbuilt SPD complete all as specified and directed. Make : PhilipsBVP485LED400CW or equivalent crompton/Havells.

Supply and laying in replacement in trenches /laid in floor/road/duct/drawn through conduit XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured heavy duty electric cable 1100V grade with aluminum conductor of cross sectional area 25 Sqmmx 3.5Core complete all as specified and directed .

All as per item above but of size 16 sqmm 4 core complete all as specified and directed.

Material and labour for sand cushioning for under ground cable with locally available sand for protection of cable including spreading and consolidations, complete all as specified and directed.

Relaying in trenches old dry well burnt locally available sub class “B” bricks over sand cushioning for protection of cable complete all as per specified and directed.

Supply and laying in trenches dry well burnt locally available sub class “B” bricks over sand cushioning for protection of cable complete all as per specified and directed.

Dismantaling of Old worn out aviation obstruction light and S&F testing new obstruction aviation light, LED type casing made from pressure die costing of aluminium alloy LM -6 ,polycorbonate lane to protct LEDS ,IP-65 protection ,operating temperature/voltage 10 C to+60 C, 80 volt AC single dome type IEC-61000-6-4 -2001/BS 800 Make :Instapower patent No 212550 or equivalent make in Philips/Bajaj complete all as specified and directed .

Supply and fix in repair Intergral LED Post-Top Luminaire 40 W Comprises housing with LEDs and driver. Glare-free and better uniformity and Heat resistant toughened glass with frame suitably gasketed for IP 65 Class I protection including all accessories, all as specified and directed Make: Crompton greaves, Model- Maple, Cat part No: LPTO-40-CDL/havells/Bajaj/Crompton/HPL

Taking down existing unseveceable panel and Supply, installation, testing and commissioning of LT distribution panel Board,double door,slopy roof, CPRI Approved , 415 Volts, 50 Hz, AC supply, three phase and neutral , Outdoor type, of suitable size , factory made, fabricated with 3.15 mm thick mild steel sheet ( outer and Inner body) , ISMC- 75 base channels, duly powder coated internally and externally with approved shade, rubber gasketted, hinged front and back openable doors with proper locking arrangements for dust and vermin proof , complete including suitable size lugs , glands, One No. Brass pad lock of Harriosn/link , 50 mm size, 4 levers and making connections, earth work and PCC foundation complete comprising of the followings and specified hereafter:- (i) Aluminium bus bar 600 Amps current rating capacity comprising of 4 Aluminium strips of appropriate size provided with heat shrinkable sleeve not less than one mm thick. (ii) Cable Alley for I/C 800 Amps and 05 Outgoing feeders. (iii) Incoming:- (a) MCCB 400 Amps rating, 415 Volts, AC, 50 kA, 4 pole thermal & magnetic release. (b) Meter Module Digital Volt and Amp meter of appropriate size with accessories. (iv) OUTGOING: (a) MCCB 4P, 36 KA, thermal & magnetic release,415 Volts, 200 Amps - 02 Nos. (b) MCCB 4P, 25 KA ,thermal & magnetic release, 415 Volts, 125 Amps - 03 Nos.

S&F (in repar) CONE NXG LED Bollard light(Garden Light) 9 Watt,single phase,240 Volts with 9 watt LED lamp opal diffuser at the upper portion acts a beacon of path guidance in a landscape environment with robust IP 65 rating complete all as specified and directed..Make of Havells cat part no-CONENXGBLS8WLEDPSYM830TOPC of Havells or equivalent CG/Bajaj/ Philips

Taking down existing unseveceable panel and Supply, installation, testing and commissioning of LT distribution panel Board, double door,slopy roof,CPRI Approved , 415 Volts, 50 Hz, AC supply, three phase and neutral , Outdoor type, of suitable size , factory made, fabricated with 3.15 mm thick mild steel sheet ( outer and Inner body) , ISMC- 75 base channels, duly powder coated internally and externally with approved shade, rubber gasketted, hinged front and back openable doors with proper locking arrangements for dust and vermin proof , complete including suitable size lugs , glands, One No. Brass pad lock of Harriosn/link , 50 mm size, 4 levers and making connections, earth work and PCC foundation complete comprising of the followings and specified hereafter:- (i) Aluminium bus bar 1000 Amps current rating capacity comprising of 4 Aluminium strips of appropriate size provided with heat shrinkable sleeve not less than one mm thick. (ii) Cable Alley for I/C 800 Amps and 8 Outgoing feeders. (iii) Incoming:- (a) Air Circuit Breaker 800 Amps rating, 415 Volts, AC, 50 kA, 4 pole.adjustable type,overcurrent and earth fault tripping system (b) Meter Module Digital Volt and Amp meter of appropriate size with accessories. (iv) OUTGOING: (a) MCCB 4P, 50 KA,thermal and magnetic release 415 Volts, 400 Amps - 03 Nos. (b) MCCB 4P, 25 KA,,thermal and magnetic release, 415 Volts, 250 Amps - 03 Nos. (c) MCCB 4P,25 KA,,thermal and magnetic release, 415 Volts, 200 Amps - 02 Nos. (d) MCCB 4P, 25KA,,thermal and magnetic release, 415 Volts, 125 Amps - 01 Nos. Note- (i) Panel shall be approved by CPRI make as specified.

M/s A.K Construction (BID ID -3092714)

R.K.ASSOCIATES (BID ID -3087371)

Hindustan Power Corporation (BID ID -3081442)

ANIRUDH ENTERPRISES (BID ID -3094574)