8125/SAR-T-57/2025-26 REPAIR/ MAINT OF PERIMETER SECURITY LIGHTS, FLOOD LIGHTS AND CONNECTED ITEMS AND REPAIR/ MAINT OF EARTHING PITS, LIGHTING ARRESTER, POWER SUPPLY EARTHING AND EARTH TESTING AND CONNECTED ITEMS AT AF STN SARSAWA UNDER GE (AF) SARS

Amount

Repair and maintenance of street light/security lights/flood lights installed at various locations of domestic area by removing the lights from pole/bldg or any other place where ever is installed, throughly checking, cleaning of the glass/ acrylic covers and make them serviceable by removing/repair of unsv parts and refixing the same at original place complete all as specified and directed. Note :- (i) Replacement of the parts shall be measured and paid seperately. (ii) Contractor will provide 20 mtr height ladder/hydra to make hanger LED light servicable.

S & F LED aviation light yellow painted die cast aluminium alloyl housing with five parellel circuits max 12 watt consumption with all accessories with and including one LED lamp 12 watt after taking out light fittings as existing at site complete all as specified and directed.

S & F LED driver suitable for LED street light fittings 45 to 60W and of make same as of respective light fitting as existing at site including taking out of existing unservicable driver complete all as specified and directed.

S & F LED driver suitable for LED street light fittings 70 to 90W and of make same as of respective light fitting as existing at site including taking out of existing unservicable driver complete all as specified and directed.

S & F LED driver suitable for LED Flood light fittings 150W and of make same as of respective light fitting as existing at site including taking out of existing unservicable driver complete all as specified and directed.

S & F LED driver suitable for LED Flood light fittings 200W and of make same as of respective light fitting as existing at site including taking out of existing unservicable driver complete all as specified and directed.

S & F 60 watt LED security light fitting with not less than 100 lumen/watt delivered lumen efficacy , cast alluminium alloy housing IP 66 protection, input voltage range 140-270 volts auto cut off at voltage exceeding 300 volts, autopower on after cutt off with time delay of less than 60 seconds, power factor more than 0.95,, driver electrical efficiency not less than 85% at constant current delivery, with secondary optic lense for every LED, with name of manufacturer / logo clearly embossed on housing of every fitting, including taking down existing light fittings complete all as directed and specified.

S & F 45 watt LED security light fitting with not less than 100 lumen/watt delivered lumen efficacy, cast alluminium alloy housing IP 66 protection, input voltage range 140-270 volts auto cut off at voltage exceeding 300 volts, autopower on after cutt off with time delay of less than 60 seconds, power factor more than 0.95, driver electrical efficiency not less than 85% at constant current delivery, with secondary optic lense for every LED, with name of manufacturer / logo clearly embossed on housing of every fitting, including taking down existing light fittings complete all as directed and specified.

S & F 120 watt LED Flood Light fitting with not less than 100 lumen / watt delivered lumen efficacy , cast aluminium alloy housing IP 66 protection, input voltage range 140-270 volts, auto cut off at voltage exceeding 300 volts, auto power on after cut off with time delay of less than 60 seconds, power factor more than 0.95, , having name of manufacturer and logo embossed on housing of each light fitting, including taking down existing light fittings all as specified and directed.

S & F 150 watt LED Flood Light fitting with not less than 100 lumen / watt delivered lumen efficacy, cast aluminium alloy housing IP 66 protection, input voltage range 140-270 volts, auto cut off at voltage exceeding 300 volts, auto power on after cut off with time delay of less than 60 seconds, power factor more than 0.95, having name of manufacturer and logo embossed on housing of each light fitting, including taking down existing light fittings all as specified and directed.

S & F 200 watt LED Flood Light fitting with not less than 100 lumen / watt delivered lumen efficacy, cast aluminium alloy housing IP 66 protection, input voltage range 140-270 volts, auto cut off at voltage exceeding 300 volts, auto power on after cut off with time delay of less than 60 seconds, power factor more than 0.95, driver electrical efficiency not less than 85 % at constant current delivery, with secondary optic lense for energy LED, having name of manufacturer and logo embossed on housing of each light fitting, including taking down existing light fittings all as specified and directed.

S & F 250 watt LED Flood Light fitting with not less than 100 lumen / watt delivered lumen efficacy , cast aluminium alloy housing IP 66 protection, input voltage range 140-270 volts, auto cut off at voltage exceeding 300 volts, auto power on after cut off with time delay of less than 60 seconds, power factor more than 0.95, driver electrical efficiency not less than 85 % at constant current delivery, with secondary optic lense for energy LED, having name of manufacturer and logo embossed on housing of each light fitting,all as specified and directed.

S & F in replacement of timer switch for security lights duly enclosed in suitable enclosure with locking arrangement. Fixed to wall/pole by means of clamp, nut, bolt and washers etc incl for comprising the following items complete all as specified and directed:- (a) MCCB 63 A 16 KA 4 pole - 01 (b) MCB SPN 5 - 30 Amp - 01 No (c) Power contactor ML-3, 3 pole- 01 No (d) Timer switch analog dial type -01 No (e) By pass arrangement for testing/repairing the lights

S & F in replacement multi stranded copper cable PVC insulated sheathed 1100 volts grade of size 2.5 sqmm 3 core, drawing through tubular pole and GI brackets etc upto LED light and making connections and testing for functioning of light fittings complete all as specified and directed.

M & L for PCC (1:2:4) type B-1 (using 20 mm graded stone aggregate) for copping of poles/stay/panel etc complete all as specified and directed.

S & F in replacement Non metallic Junction box made out of Thermoplastic size not less than 28 cm x17cmx10cm hinged with lockable arrangement including aluminium bus bar TPN capacity 200 Amp with one No MCB 6 Amp SP with provision of tapping incoming and outgoing cable connection with gland box of suitable size and fixing on pole/grouting in PCC muff complete all as specified and directed.

S & F in replacement Non metallic Junction box made out of thermoplastic size not less than 18 cm x10cmx8cm hinged with lockable arrangement including aluminium bus bar SPN capacity 100Amp with one No MCB 6 Amp SP with provision of tapping incoming and outgoing cable connection with gland box of suitable size and fixing on pole/grouting in PCC muff complete all as specified and directed.

S & F Decorative LED Post Top Lantern light fitting with max. system wattage 36/40 watt and system lumen output not less than 100 lumen per watt, total system lumens not less than 3600 lumens, PF not less than 0.95, THD less than 10%, CRI not less than 70, CCT 5700 TO 6500k, input voltage range 140V to 270V AC 50 Hz, 50000 burning hours,IP 65 class 1 protection with aluminium die cast housing cum heat sink circular canopy and clear acrylic cover for 360 degree indirect, uniform, glare free light distribution all as specified and directed by Engr-in-charge.

S & F LED driver suitable for 10 watt led garden light including taking out old driver with LED complete with all as specified and directed. Note: Driver should be same make as installed as before in Led light fitting.

S & F in replacement LED strip light of colour as directed by Engr-in-charge.

Supply only 25 mt long 2.5 cm wide and at least 0.125mm wall thickness PVC tape of good quality complete all as specified and directed.

Supply only 25 mt long 2.5 cm wide and at least 0.200mm wall thickness HT tape with adhesive of good quality complete all as specified and directed.

S & F in replacement of flame proof/weather proof direct entry type rotary switch single pole on & OFF rotary motion switch in cast aluminum alloy LM-6 enclosure epoxy powder coated single pole 230Volts 10 Amps, AC ON/OFF switch operated externally by Knob having 02 Nos of M-20 cable entries, earthing terminals suitable for mounting on wall/steel structure complete all as specified and directed. Make: Sudhir/Baliga/Shyam.

S & F in replacement of flame proof LED flood light luminaries 120 watt comprising of body made in cast alluminum alloy LM6 construction luminaries spun alluminium reflector fitted inside main body main body, heat resistant toughend glass cemented to cast aluninuuim, retainging ring fixed to main body , mounted on MS galvanised iron cradle and base plate for rotating in horizontal and vertical planes, voltage 140-270,IP 65 , main connector suitable up to 6 Sqmm incoming cable, terminal enclosure plain covers are fixed by means of socket head allen cap stainless steel screw, conforming to standard IS/IEC 60079-0-2004, IS/IEC 60079-1-2007 , earthing with internal 1 No, external 2 Nos on main Enclosure M6x 12 MS screw & plain washer complete all as specified and directed. Make: Sudhir/Baliga/Shyam.

S & F in replacement of sub main wiring with single core PVC insulated and unsheathed 1100 volt grade (FR) electric cable with multi stranded copper conductor of size 2.5 Sqmm phase and neutral drawn in and including ERW rigid steel stove enameled black conduit heavy duty ISI marked of size 20mm dia concealed type including all conduct fittings and accessories such as tees junction boxes, bends and including drawing continuous earth wire PVC insulated unsheathed 1100v grade cable with stranded copper conductor of size 2.5 Sqmm and connected to earth dolly complete all as specified and directed.

S & F in replacement of power contactor type ML-3, 3 pole suitable for street light timer panel complete all as specified and directed.

S & F in replacement Timer clock analog dial type suitable for street light timer panel complete all as specified and directed.

Excavation in trenches in any type of soil not exc 1.5 mtr wide and not exc 1.5 mtr deep for taking out/laying of U/G HT/LT cable and getting out the excavated soil including triming the sides complete all as specified and directed.

Returning, filling in, incl spreading leveling, watering and well raming in layers not exc 25 centimetre thick in layer in any type of soil complete all as specified and directed.

Removing excavated materials to a distance not exceeding 50 metre and depositing where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

M & L for Brick protection with sub class ‘B’ bricks old size, laid dry, flat over cable, perpendicular across the cable in trenches complete all as specified and directed.

M & L for for Sand cushioning with layer of fine sand 80 mm thick before laying of cable and 150 mm thick after laying of cable in trenches complete all as specified and directed.

Supplying, laying, jointing & testing of LT cables XLPE insulated, PVC sheathed aluminium conductors multistranded armoured heavy duty 1100 volt grade cross sectional area 6.0 sqmm 2 core laid in trenches/ducts/along poles/through pipe under road complete all as specified and directed.

All as per Item No 33.00 above but cable of size 10 sq mm 4 core complete all as specified and directed.

All as per Item No 33.00 above but cable of size 16 sq mm 4 core complete all as specified and directed.

All as per Item No 33.00 above but cable of size 24 sq mm 4 core complete all as specified and directed.

Supply and laying double walled corrugated HDPE duct pipe of 40 mm outer dia confirming to IS 14930 Pt II with antirodent and non flame propergating properties of approved colour complete with fitting for cable protection complete all as specified and directed.

S & F in replacement cross arms, bracings, supports, clamps and back plates fabricated from structural steel section including nuts, bolts, washers, welding, bending (cold or hot) drilling holes for bolts bent to any shape or size as indicated or directed inclusive of one primer coat of red oxide zinc chromate one under coat and one finishing coat of aluminium paint complete all as specified and directed.

S & F street light bracket made out of light grade GI pipe 40 mm normal bore of 1.2 mtr long tilted 30 degree angle on 0.4 metre length along with flat iron clamp of 40 x 4 mm size 750 mm long duly drilled made to shape the bracket with nut, bolt and washer including applying two coat of aluminium paint over a coat of red oxide primer complete all as specified and directed.

S & F in replacement of 10 watt led bollard light system lumen output not less than 80 lumen per watt, total system lumens not less than 3200 lumens, PF not less than 0.90, THD less than 10%, CRI not less than 70, CCT 5700 TO 6500k, input voltage range 140V to 270V AC 50 Hz, 50000 burning hours,IP 65 class 1 protection with aluminium die cast housing cum heat sink circular canopy and clear acrylic cover for 360 degree indirect, uniform, glare free light distribution including taking out old any type light complete with all as specified and directed.

S & F in replacement water proof 3 Watt LED fountain light of different colour complete all as specified and directed.

Conducting periodical testing of earth pits by standard earth tester after disconnecting earth strip & submitting the records including reconnection complete all as specified and directed. Note: (i) Rs 10,000.00 pentalty for per month if contractor fails to submit the record duly signed by the concerned user in time for eevery month in 1st week.

M & L for carrying out soil resistivity for earthing at in accordance with IS 3043 : 2018 by wernner's method and issuing a complete report at certain locations within the premises of AF station sarsawa complete all as specified and directed. Note: The job to be executed within 1 month of issue of work order.

Taking out old unserviceable strip/wire any type from wall/roof complete all as specified and directed.

S & F aluminium strip of size 25x3.15 mm for Earth continuity conductor or main earthing lead fixed to wall/ roof with saddles and fixing screws etc. for roof conductors and down conductors above ground or any other indicated situation complete all as specified and directed. Note:- Two lengths of strips shall be jointed together by overlapping not less than 100 mm both ends through welding/brazing.

S & F copper strip electrolyte grade having purity not less than 99.9 % of size 20x3.15 mm for Earth continuity conductor or main earthing lead fixed wall/ roof with saddles and fixing screws etc. for roof conductors and down conductors above ground or any other indicated situation complete all as specified and directed. Note:- Two lengths of strips shall be jointed together by overlapping not less than 100 mm both ends through welding/brazing.

S & F GI strip of size 32x6 mm for Earth continuity conductor or main earthing lead fixed wall with saddles and fixing screws etc. or laid underground as in grid connection of earthing complete all as specified and directed. Note:- Two lengths of strips shall be jointed together by overlapping not less than 100 mm both ends through welding/brazing.

S & F Earth continuity conductor or main earthing lead fixed to wall on saddles or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 4mm dia galvanised iron or steel wire complete all as specified and directed

Taking down existing aluminium/copper strip of LA system from roof/wall cleaning, straighting and re-fixing on new insulator complete with fixing arrangements complete all as specified and directed.

Taking down old unserviceable single pointed termination rod any type over the roof from PCC block/GI pipe complete all as specified and directed.

S & F single pointed termination aluminium rod 12 mm dia, 300 long on roof top including fixing/fitting of termination rod and over the roof in PCC block/GI pipe and making connection with roof/down conductor with Al strip by proper bolting/brazing etc complete all as specified and directed. Note: PCC and GI pipe shall be measured and paid separately under respective item of schedule.

Dismantling/Taking out old unserviceable earthing any type/size complete all as specified and directed.

S & F in repair of Earthing with Galvanised steel pipe electrode shall be of medium grade 40 mm dia and 2.5 m in length. Pipe electrode shall be cut tapered at the bottom and is provided with 12 mm dia holes (staggered) at 75 mm centre to centre upto 2 m of length from bottom. The electrode shall be buried directly in ground vertically with its top edge not less than 1.25 m below ground level connected to main earth lead 4.0 sqmm galvanised iron wire by means of bolts, nut, check nuts and washers of galvanized iron or steel all as shown in electrical plate No.2 of MES Schedule Pt-I 2009, GI earth lead shall be protected by GI pipe 15 mm dia medium grade and connected to distribution board including excavation in any type of soil,returning filling, disposal of soil, providing alternate layer of charcoal dust and common salt upto top edge of electrode, construction of PCC pit with RCC cover, funnel, including testing on completion complete all as specified and directed. Note: (i) GI strip beyond 7.5 metre will be measured and paid sepeartely. (ii) Test report shall be prepared and submitted by the contractor in triplicate duly obtaining signatures of MES JE / AGE & user. (iii) The earth resistance should be less than 5 Ohm.

M & F for earthing with galvanised steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground earth pit not less than 2.25 Metre deep below ground level with top edge of the plate not less than 1.5 Metre below normal ground level connected to galvanised strip 32 x 6 mm by means of nuts, bolts, check nuts, washers of galvanised iron or steel all as shown in electrical plate No. 03 of SSR Part I connected to earthing test point including excavation/ earth work in any type of strata, removal of surplus excavated material, GI pipe for watering and funnel, PCC 1:3:6 type C1 use 20 mm graded stone aggregate chamber including necessary formwork / mould for fair and even surfaces, precast RCC (1:2:4) type B-0 use 12.5 mm graded stone aggregate chamber cover slab, GI funnel, with GI watering pipe 20 mm bore medium graded, wire mesh, protection pipe 40 mm bore GI pipe light grade for earth lead upto 7.50 metre long salt, charcoal including testing complete all as specified and directed. Note: (i) GI strip beyond 7.5 metre will be measured and paid sepeartely. (ii) Test report shall be prepared and submitted by the contractor in triplicate duly obtaining signatures of MES JE / AGE & user. (iii) The earth resistance should be less than 5 Ohm.

M & L for Maintenenace free Earthing using milliohms conductive concrete precast electrode with a resistivity of 0.001 ohm meter with a life span of 25 years using electrode 25mm Dia 6 meter UL Listed Precast electrode copper bonded 250 microns Maintenance free Earthing System:- HSN Code: 7215. Supply of Maintenance Free Earth electrode 1 nos. made of High Tensile low carbon steel circular rod, molecularly bonded copper, UL Certified Rod with 1 gun metal clamp and Precast conductive concrete Electrode. * Copper bonding Thickness- above 254 micron on outer surface. * Copper bond Rod Dia- 25 mm UL listed 254 micron copper bonding * Copper purity is 99.9% * Copper grade is as per IS 191 * Length- 6.0 mtr, 20 feet. * UL Certified CBR with embrossed marking for genunity. * CPRI Tested at 5 positive and 5 negative impulse- 25 kA and 55 kA * Meets the requirement as per IS 3043, IEC 60364-5-54, UL 467. * ISO 9001:2015 - Quality Management System. Earth Enhancement Compound * Product-Maintenance free Conductive Concrete Precast Electrode * Standard - As per IS - 3043 and IEEE80- 2000, Test certificate from NABL Lab * Resistivity after compression- 0.001 ohms per mtr. * Solubility in Water- 0.94 * Chemical composition - As per IS/IEEE/IEC 62561 Standard * Retaining Moisture Capacity (Ph Value)- 7.12 * ROHS Complying IEC 62561-7+E8

S & F universal clamp of SS to connect earth rod with flat conductor complete all as specified and directed.

S & F Coupler Suitable for earth rods 25mm dia complete all as specified and directed.

S & F in replacement Precast (Factory Manufactured) Earthing pit of size 450 mm x 450 mm x 450 mm x 50 mm thickness with Mortar design precast Pit cover, made with RCC (1:3:6), type C-1 chamber, pit cover of precast RCC (1:2:4), type B-1 reinforced XPM of weight not less than 4 Kg/Sqm and plaster work inner or outer etc including taking down old pit cover, excavation complete all as specified and directed.

S & F 40 mm dia bore of tubing, Light grade,galvanised, with all fitting,screwed,and fixed complete to walls/ceilings and laid in floors for earthing strip protection/ fixing of air terminator rod including taking out old pipe complete all as specified and directed.

S & F 15 mm dia bore of tubing,Light grade,galvanised, with all fitting,screwed,and fixed complete to walls/ceilings and laid in floors for earthing strip protection/ fixing of air terminator rod including taking out old pipe complete all as specified and directed.

S & F 40 mm HDPE pipe ISI marked, burried earthing strip into the ground for proper insulation of building and equipment complete all as specified and directed.

M & L for improvement of earthing value upto the desired level as per requirment of equipment by pouring of mixture of salt/charcoal dust/magnesium sulphate/ bentonite in proper ratio including watering complete all as directed.

S & F high quality copper bolts with nuts, washer to replace and repair existing earthing bolts of suitable length complete all as specified and directed.

M & L for Bracing of size 40mmx25mmx5mm in copper strip of size 25x3mm at the joint of strip through copper rod of proper size and combination of oxygen acetylene gas cylinder joint must be able to withstand high tensile strength and properly done without any defect or without any crack all as specified and directed. Note: If any crack found in the brazing contractor will do brazing free of cost again.

Dismantling old /broken Earth pit chamber/ PCC block for construction of new earth pit chamber for earthing / PCC block for air termination rod of size as indicated and directed by Engineer-in-charge in (1:3:6) type C-1 and plastering 15mm thick in cm (1:4) on internal external surfac of pit/ block including foarm work complete all as specified and directed.

M & L for RCC pit cover of size as indicated and directed by Engineer-in-charge in (1:2:4) type B-1 with reinforced bar of 8mm dia with 100mm C/C including Lifting Handle complete all as specified and directed.

Taking out tilted earth pit chamber and raming of sand compacting the area and again repositining of Earth pit chamber over a PCC (1:4:8) of 75 mm thick complete all as specified and directed.

M & L for fabrication of earth pit indicator made of MS sheet of 3mm thick (shape as directed ) welded on iron strip of 32mm x 6mm thick x 900mm long (150mm in below GL) dully painted with synthetic enemeled paint over a one coat of redoxide primer complete with writing earthing nomenaclature complete all as specified and directed by Engineer-in-charge.

M & L for test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex.head screw complete all as specified and directed.

S & F in replacement insulator/ separator of DMC/SMC material fixing screws on wall/ roof for laying of down/roof conductor complete all as specified and directed.

S & F stainless steel 304 nut, bolt, plain & spring washer to replace and repair existing earthing bolts of suitable length all as specified and directed.

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