REPAIR /MAINTENANCE / REPLACEMENT OF STREET LIGHT AND COMPLAINTS OF STREET LIGHTS AT GG FORT , AMN DEPOT AND AJNALA UNDER GE AMRITSAR

Amount

Material & Labour for attending complaints including checking of existing street lights of any type or of any description, fixed in vertical position on poles of 9/11/16 metres or on walls including disconnecting the electric connection, removing from pole/wall if required, carrying out minor repairs like, removal of deposited carbon on joints/wires, removing of defective LED driver etc as required at site to make the items functional and refixing the same at same location or any other location, connecting with electric feeder and testing for functioning by engaging sufficient man power, tools & plants etc to ensure safety of lights/poles as well as working persons complete all as specified and directed by the Engineer in Charge. Note :- (a) The completed job should remain functional for at least Six months, any repair if required to be done by the contractor for the same job within 6 months , no payment shall be made separately. (b) T&P such as hydra/telescopic ladder required for attending the complaints is included in the quoted rate. .

Supply & Fixing in repairs of street light fitting bracket, 1.5metres long made out of galvanized iron pipe of 32mm bore size light grade as required on site complete with nut, bolts, washer and MS clamp fixed on PCC/Steel pole as required on site etc inclusive of one primer coat, one under coat and one finishing coat of silver paint complete all as specified and directed. Note :- The cost of disconnecting , taking down & removing the existing street light fitting from old bracket, and keeping in the safe custody and refixing thestreet light fitting on the new bracket is included in the quoted rate of this item.

Supply & Fixing in repairs of street light fitting bracket, 1.5metres long made out of galvanized iron pipe of 40mm bore size light grade as required on site complete with nut, bolts, washer and MS clamp fixed on PCC/Steel pole as required on site etc inclusive of one primer coat, one under coat and one finishing coat of silver paint complete all as specified and directed. Note :- The cost of disconnecting , taking down & removing the existing street light fitting from old bracket, and keeping in the safe custody and refixing thestreet light fitting on the new bracket is included in the quoted rate of this item.

Supply & Fixing in repairs of street light fitting bracket, 1.5metres long made out of galvanized iron pipe of 50mm bore size light grade as required on site complete with nut, bolts, washer and MS clamp fixed on PCC/Steel pole as required on site etc inclusive of one primer coat, one under coat and one finishing coat of silver paint complete all as specified and directed. Note :- The cost of disconnecting , taking down & removing the existing street light fitting from old bracket, and keeping in the safe custody and refixing thestreet light fitting on the new bracket is included in the quoted rate of this item.

Material & Labour for cleaning and preparation of old painted surface of steel poles 9metres long excluding planting depth complete and painting the pole up to full height including channels street light brackets cross arms anti climbing devices with one coat of aluminium paint and making black & white strips with synthetic enamelled paint 30 Cm height, each alternative strip upto 1.5metres height writing pole numbers as per existing practice, making round base of dia 120mm by using yellow colour and marking the pole numbers of letter size equal to 70mm in height by using black colour with stencil complete all as specified and directed by Engr-in-Charge. Note :- The T&P required for the paintaing job under this item such as hydra/telescopic ladder etc arranged by the contractor and included in the quoted rate of this item.

Supply & Fixing in repairs of thermoplastic polycarbonate cable junction box with polycarbonate glands of size 300mm X 200mm X 105mm ( Model GSJB 3020 of make Sintex or equivallent model in Hensel as approved by the GE) hinged door type with heavy duty connector/ terminal block 100 amps 4 way , shock proof safe IP-55, weather proof, Tamper proof, rust , dust and water proof , internally embedded gasket with provision for cable entry through gland alongwith MS clamps and mounting brackets as required at site , with & including MCB SP 6 Amps 10 KA , Aluminium thimbles required for cable connections to junction box complete with clamp system (screw less) ; complete all as specified and directed by Engineer-in-charge.

Excavation in trenches in any type of soil not exceeding 1.5metres wide and not exceeding 1.5metre depth below ground level for foundation of poles/ stays/cable and getting out ; complete all as specified and directed by Engineer-in-charge.

Returning, filling in, including spreading levelling, watering and well raming in layers not exceeding 25cm thick ; complete all as specified and directed by Engineer-in-charge.

Removal of surplus soil to a distance not exceeding 50metres and depositing where directed at a level not exceeding 1.5metres above the starting point ; complete all as specified and directed by Engineer-in-charge.

Supply and laying / fixing on walls in replacement DWC HDPE pipe confirming to IS suitable for protection to LT cables complete of size 50 mm dia ; complete all as specified and directed by Engineer-in-charge.

Supply & Fixing in repairs street light panel confirming to IS/IEC-60947-4-1, IP-54, with extended wide band coil, FRLS internal wiring with inbuilt short circut protection and class H insulation with & including astronomical timer switch suitable for 6 kw load with contactor 32Amps 3 pole and one MCB of rating 40 Amps TPN ; complete all as specified and directed by Engineer-in-charge.

Supply, Laying, Testing and Commissioning in trenches or drawn through pipe or fixed on wall / poles LT cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables 16 Sqmm 4 core (heavy duty) 1100 Volts grade with stranded Aluminium conductor , including disconnecting, dismantling and taking down/out old unserviceable cable ; complete all as specified and directed by Engineer-in-Charge. Note :- (a) The cost of Al thimbles/lugs and cable gland etc is included in quoted rate and no extra payment will be made for it. (b) Excavation, earth work, sand cushioning and brick protection will be measured and paid separately under respective items.

Supply, Laying, Testing and Commissioning in trenches or drawn through pipe or fixed on wall / poles LT cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables 10 Sqmm 2 core (heavy duty) 1100 Volts grade with multistranded Aluminium conductor , including disconnecting, dismantling and taking down/out old unserviceable cable ; complete all as specified and directed by Engineer-in-Charge. Note :- (a) The cost of Al thimbles/lugs and cable gland etc is included in quoted rate and no extra payment will be made for it. (b) Excavation, earth work, sand cushioning and brick protection will be measured and paid separately under respective items.

Supply & Fixing in repairs cable straight through jointing kit for LT XLPE grade cable for heat shrinkable complete with jointing materials and accessories suitable for 16 sq mm 4 core XLPE armoured aluminium conductor cable ; complete all as specified and directed by Engineer-in-Charge.

Supply & Fixing in repairs cable straight through jointing kit for LT XLPE grade cable for heat shrinkable complete with jointing materials and accessories suitable for 10 sq mm 2 core XLPE armoured with multistranded Aluminium conductor ; complete all as specified and directed by Engineer-in-Charge.

Supply & Fixing in repairs PVC insulated PVC sheathed multi stranded copper conductor wire 1.5 Sqmm 3 core complete drawing through pole / PVC conduit for making connection to street light fitting provided on poles upto junction box with & including necessary thimbles ; complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs 1100 volts grade heavy duty cable PVC insulated stranded aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 metre apart including 4mm suspension wire, one twin core cable flat or circular of size 2 core 6 sqmm ; complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs 1100 volts grade heavy duty cable PVC insulated stranded aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 metre apart including 4mm suspension wire, one twin core cable flat or circular of size 2 core 10 sqmm ; complete all as specified and directed by Engineer-in-Charge.

Supply and fixing / laying of galvanized iron pipe of 50 mm nominal bore light grade fixed to poles with & including necessary MS clamps nuts, bolts and washers or laid under road crossing or fixed to wall including painting with two coats of aluminium paint over a coat of red oxide paint ; complete all as specified and directed by Engineer-in-Charge.

Material and labour for taking out existing LT cable of any size / type and relaying the same cable after repairing defects etc ; complete all as specified and directed by Engineer-in-Charge. (Note : Excavation, earth work, sand cushioning and protection cover, joints will be measured and paid for separately under respective items.)

Supply & Fixing in repairs 40 Watt LED light fitting made of pressure die cast aluminium alloy for housing heat sink for effective thermal management studiness excellent corrosion resistannt and water proof fixture with efficient heat dissipation design and coating , housing should have two separate compartments for light source anf driver compartment. High efficiency LED module with SMD LED package mounted on MCPCB. Driver compartment should be separate accessible and top opening for each of maintenance. LED should be mounted on heat sink conductive aluminium with fence to dissipate the heat to ambient air, covered should be toughened glass/polycarbonate. Rated voltage 240V AC/50Hz operating voltage 140V-270V operating temperature -10 degree C to +50 degree C. Power factor >0.95 , average life 50,000 Hrs @ L70. THD < 10% with test certificate . CCT 5700K with test certificate. IK 07, CRI >70 with LED lumen efficacy of 140 Lumen per watt and system lumen should be 5600 lumens or above. Driver should be isolated electronic driver with APFC and SMPS based constant current supply with lower THD. Driver shall comply to BIS standard. Valid test report of LM 79 and LM 80 from NABL accredited laboratory need to be submitted. IP 66 protection and surge protection 10 KV built in SPD with 10 KV. Driver shall comply safety standart as per IS : 15885 part 2 / sec 13 . Performance requirement as per IS : 16104. Test standard as per IS;16102 (Part 1) : 2012/IEC : 62560:2011. Luminar shall comply to IS: 10322/IEC 60598 with minimum 5 Years warranty ; complete all as specified and directed by Engineer-in-Charge. Note-The BIS stamp shall be mandatory on driver and light fixture.

Supply and fixing in repairs 70Watt LED light fitting made of pressure die cast aluminium alloy for housing heat sink for effective thermal management studiness excellent corrosion resistannt and water proof fixture with efficient heat dissipation design and coating , housing should have two separate compartments for light source anf driver compartment. High efficiency LED module with SMD LED package mounted on MCPCB. Driver compartment should be separate accessible and top opening for each of maintenance. LED should be mounted on heat sink conductive aluminium with fence to dissipate the heat to ambient air, covered should be toughened glass. Rated voltage 240V AC/50Hz operating voltage 140V-270V operating temperature -10 degree C to +50 degree C. Power factor >0.95 , average life 50,000 Hrs @ L70. THD < 10% with test certificate . CCT 5700K with test certificate. IK 07, CRI >70 with LED lumen efficacy of 135 Lumen per watt and system lumen should be 7400 lumens or above. Driver should be isolated electronic driver with APFC and SMPS based constant current supply with lower THD. Driver shall comply to BIS standard. Valid test report of LM 79 and LM 80 from NABL accredited laboratory need to be submitted. IP 66 protection and surge protection 10 KV built in SPD with 10 KV. Driver shall comply safety standart as per IS : 15885 part 2 / sec 13 . Performance requirement as per IS : 16104. Test standard as per IS;16102 (Part 1) : 2012/IEC : 62560:2011. Luminar shall comply to IS: 10322/IEC 60598 with minimum 5 Years warranty ; complete all as specified and directed by Engineer-in-Charge. Note-The BIS stamp shall be mandatory on driver and light fixture.

Supply and fixing in repairs 90Watt LED light fitting made of pressure die cast aluminium alloy for housing heat sink for effective thermal management studyness excellent corrosion resistance cable gland is used for maintaining ingressprotection epoxy powder coated grey colour finish after phosphochromate treatment, tempered protective toughened glass, thermal shock and impact resistance fixed to the housing with SS screws. High efficacy long life LED module with the SMD LED package mounted on MCPCB with lumen efficacy of LED >140 lumen/Watt with PC lens to ensure better uniformity of light distribution, ambient temperature 35 degree celcius .and system lumen 9000 for above. Power by built in isolated electronic driver SMPS base constant current supply with lower THD, output open slash short circuit protection , Over voltage protection , Phase to phase protection , surge voltage protection 10 KVA. with IK 07 and IP 66 protection, CCT 5700K CRI more than 70 THD<10%, SPD with 10 KV extra should be fixed with fitting, PF> 0.95 IP66 IK07 protection with life of 50000Hrs @ L70 operating temp -10 degree to +50 degree input supply voltage range 140/270V frequency 50/60Hz . Driver safety requirement standard: IS 15885/2/13, driver performance requirement IS 16104. Photobiological safety norms IS 16108. Certification LM 79 for luminar LM 80 for LED. And warranty should be 5 Years on site. Note for Srl item No.22 to 24 of BOQ :- (a) Contractor shall produce the Genuineness and warranty certificate from the manufacturer before fixing. (b) All complaints will be rectified on PRIORITY basis upto completion of contract. (c) Contractor will arrange /provide suitable ladder (Telescopic/Hydra) with technicians for repair of street lights from statrting of contract upto date of completion of the work ; complete all as specified and directed by Engineer-in-Charge. Note-The BIS stamp shall be mandatory on driver and light fixture.

Supply only, in replacement of Universal driver suitable for LED street light of capacity 25-50 Watts complete with accessories as per existing make/size/type including 3 core wire 1.5sqmm aluminium/copper conductor from street light to terminal/conductor complete all as specified and directed by Engineer-in-Charge. Note : Fixing charges of LED driver are included in the respective item of attending complaints of this BOQ.

Supply only, in replacement of Universal driver suitable for LED street light of capacity 60-90 Watts complete with accessories as per existing make/size/type including 3 core wire 1.5sqmm aluminium/copper conductor from street light to terminal/conductor complete all as specified and directed by Engineer-in-Charge. Note : Fixing charges of LED driver are included in the respective item of attending complaints of this BOQ.

Supply only, in replacement of Universal driver suitable for LED street light of capacity 120 Watts complete with accessories as per existing make/size/type including 3 core wire 2.5sqmm copper conductor from street light to terminal/conductor complete all as specified and directed by Engineer-in-Charge. Note :- Fixing charges of LED driver are included in the respective item of attending complaints of this BOQ.

Material & Labour for cleaning and preparation of old painted surface of steel poles 8.5 to 11 metres long excluding planting depth complete and painting the pole up to full height including channels street light brackets cross arms anti climbing devices with one coat of aluminium paint and making black & white strips with synthetic enamelled paint 30 Cm height, each alternative strip upto 1.5metres height writing pole numbers as per existing practice, making round base of dia 120mm by using yellow colour and marking the pole numbers of letter size equal to 70mm in height by using black colour with stencil complete all as specified and directed by Engr-in-Charge. Note :- The T&P required for the paintaing job under this item such as hydra/telescopic ladder etc arranged by the contractor and included in the quoted rate of this item.

Material & Labour for cleaning and preparation of old painted surface of steel poles 12 to 16 metres long excluding planting depth complete and painting the pole up to full height including channels street light brackets cross arms anti climbing devices with one coat of aluminium paint and making black & white strips with synthetic enamelled paint 30 Cm height, each alternative strip upto 1.5metres height writing pole numbers as per existing practice, making round base of dia 120mm by using yellow colour and marking the pole numbers of letter size equal to 70mm in height by using black colour with stencil complete all as specified and directed by Engr-in-Charge. Note :- The T&P required for the paintaing job under this item such as hydra/telescopic ladder etc arranged by the contractor and included in the quoted rate of this item.

Supply & Fixing in repairs 120 Watt LED Flood light fitting pressure die cast aluminium housing with heat resistance toughened glass IP66 protection with PC lens for symmetric light distribution and toughened glass fixed on housing. Lumen efficacy of 140 lumen/Watt and system lumens 12600 or above . LM 79 and LM 80 report should be submitted to department. THD < 10 %, CRI >70, CCT 5700K, operating temperature -10 degree C to +45 degree C with integral electronic LED driver with APFC lower THD open circuit protection surge voltage protection upto 10 KV with built in SPD and other safety test as IS:15885Part-2/Sec13. IK 07. Average life 50000 Hrs @ L 70 B 50 on 12 to 16 Mtr pole complete fixing on the existing steel tubular pole 16 Mtr height inclluding making electric connection ; complete all as specified and directed by Engineer-in-Charge. Note:- (a) Contractor shall produce the Genuineness and warranty certificate from the manufacturer before fixing. (b) All complaints will be rectified on PRIORITY basis upto completion of contract. (c) Contractor will arrange /provide suitable ladder (Telescopic/Hydra) with technicians for repair of street lights from statrting of contract upto date of completion of the work.

Material & labour for clearing of LT line by triming, cutting, pruning of tree branches of any girth projected on overhead line and removal of surplus spoil out side MoD land ; complete all as specified and directed by Engineer-in-Charge.

Supply & Fixing in repairs MCB double pole 20Amps , 240 volts, rupturing capacity 10 KA, ‘B’ curve type ; complete all as specified and directed by Engineer-in-Charge.

Supply, Transporting, Erecting & fixing truly in vertical position of steel tubular pole swaged, over all length 9 metres, type 410 – SP – 31 complete with mild steel base plate, pole cap, finial taper plug, MS bolts, nuts & washers, with and including painting of pole with two coats of anti corrosive black bituminous paint through out internally and externally upto planting depth (embedded in concrete) and remaining portion of the pole in full length painted with two coats of aluminium paint over a coat of red oxide primer on complete exposed surfaces including painting of Five bands / strips of 30 cm wide each with two coats of synthetic enamel paint (black & yellow) at a distance of 30 cm from plinth block upto 1500mm height , making round base of dia 150mm by using yellow colour & marking / sign writing of pole number and feeders locations of pole with thick synthetic enamel paint by using black colour with stencil ; with & including disconnecting, dismantling and taking out of old LT PCC/Steel tubular pole any type and any size from foundations including dismantling of concrete, MS clamps, nuts-bolts, earth wire, over head line conductors, insulators, guarding cradles and other accessories with & including necessary excavation and earth work in any type of soil , returning filling & removal ; complete all as specified and directed by Engineer-in-Charge. Note :- Necessary PCC in foundation & coping shall be meassured and paid separately under respective item of this BOQ.

Material & labour for PCC 1:4:8 type D-2, using crushed stone aggregate 40mm graded as in foundation for electric poles including necessary form work where required and fair finish to the exposed surfaces ; complete all as specified and directed by Engineer-in-Charge.

Material & labour for PCC 1:3:6 type C-2, using crushed stone aggregate 40mm graded as in foundation of stays and coping of poles including necessary form work where required and fair finish to the exposed surfaces ; complete all as specified and directed by Engineer-in-Charge.

Supply only Suply only heavy duty connector 63 Amps 4 way ; complete all as specified and directed by Engineer-in-Charge.

Supply only Suply only heavy duty connector 63 Amps 2 way ; complete all as specified and directed by Engineer-in-Charge.

Material & labour for earthing complete with galvanised earth plate electrode 600mm X 600mm X 6mm thick burried directly in ground (earth pit not less than 2.25 m below ground level) with top edge of earth plate not less than 1.5 m below normal ground level, connected to galvanised earth strip 25x4 mm by means of nuts, bolts, check nuts & washers of galvanised iron or steel all as shown on electrical plate No. 3 of MES schedule 2009, Part – I (Specifications) and connected to main switch board / main DB’s / earthing test point including all necessary excavation and earth work in any type of soil, adequate quantity of charcoal dust & common salt all around the earth plate minimum 150 mm in all directions with & including watering pipe 20 mm dia GI medium grade, GI funnel made out of 0.63 mm thick GI sheet, wire gauge, 50 mm thick RCC cover in PCC 1:2:4, type B-1 (using 20 mm graded crushed stone aggregate), duly reinforced with 6 mm dia mild steel round bars @ 150 mm both ways center to center with suitable lifting handle to cover, earth pit of PCC 1:3:6 type C-1 (using 20 mm graded crushed stone aggregate), GI protection pipe light grade 15 mm bore up to 7.5 m length from earth electrode & engraving of earth marking on nearby building with CM 1:4 plate size 200mm X 150mm X 15mm & painting of earth result etc. including testing on ; complete all as specified and directed by Engineer-in-Charge.

Supply, Transporting, Erecting & fixing truly in vertical position 7metres long hot dipped galvanised octagonal pole with top A/F 70 mm bottom A/F 130 mm ,made out of 3 mm thick HT sheet along with base plate of size 220mm x 220mm x 12mm , including 1500 mm long single arms bracket made out of 48 mm dia,GI pipe,M 20 in PCD 205 mm,700mm long and projected 100mm,"J" type EN8 grade set of 4 Nos foundation bolts along with tempalates,with & including disconnecting, dismantling and taking out of old LT PCC/Steel tubular pole any type and any size from foundations including dismantling of concrete, MS clamps, nuts-bolts, earth wire, over head line conductors, insulators, guarding cradles and other accessories withalso including undermentioned provisions of the followings :- (a) MCB,SP,6A ,230 V ,B series,10 KA mounted on and including 3 mm thick plastic laminated sheet-01 No. (b) 4 way connector ,bolt type having locking arrangement,weather proof and water proof control space: 01 No. Notes :- (a) The rate quoted shall also be deemed to include the cost for provision of 50 mm bore PVC pipe from cable trench to centre of the pole concrete. (b) The rate quoted shall also be deemed to include the cost for connecting with including suitable lugs of the existing incoming and outgoing LT UG cable of any size in the pole box of new octagonal pole. (c) The rate quoted shall also include concrete for foundation ,Reinforcement and form work all as per manufacturers instructions.(d) The excavation and earth work for foundation of pole is deemed to be included in the rate quoted ; complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs 70Watt dusk and down sensor LED light fitting made of pressure die cast aluminium alloy for housing heat sink for effective thermal management studiness excellent corrosion resistannt and water proof fixture with efficient heat dissipation design and coating , housing should have two separate compartments for light source anf driver compartment. High efficiency LED module with SMD LED package mounted on MCPCB. Driver compartment should be separate accessible and top opening for each of maintenance. LED should be mounted on heat sink conductive aluminium with fence to dissipate the heat to ambient air, covered should be toughened glass. Rated voltage 240V AC/50Hz operating voltage 140V-270V operating temperature -10 degree C to +50 degree C. Power factor >0.95 , average life 50,000 Hrs @ L70. THD < 10% with test certificate . CCT 5700K with test certificate. IK 07, CRI >70 with LED lumen efficacy of 135 Lumen per watt and system lumen should be 7400 lumens or above. Driver should be isolated electronic driver with APFC and SMPS based constant current supply with lower THD. Driver shall comply to BIS standard. Valid test report of LM 79 and LM 80 from NABL accredited laboratory need to be submitted. IP 66 protection and surge protection 10 KV built in SPD with 10 KV. Driver shall comply safety standart as per IS : 15885 part 2 / sec 13 . Performance requirement as per IS : 16104. Test standard as per IS;16102 (Part 1) : 2012/IEC : 62560:2011. Luminar shall comply to IS: 10322/IEC 60598 with minimum 5 Years warranty ; complete all as specified and directed by Engineer-in-Charge. Note-The BIS stamp shall be mandatory on driver and light fixture.

Supply and fixing in repairs 90Watt dusk and down sensor LED light fitting made of pressure die cast aluminium alloy for housing heat sink for effective thermal management studyness excellent corrosion resistance cable gland is used for maintaining ingressprotection epoxy powder coated grey colour finish after phosphochromate treatment, tempered protective toughened glass, thermal shock and impact resistance fixed to the housing with SS screws. High efficacy long life LED module with the SMD LED package mounted on MCPCB with lumen efficacy of LED >140 lumen/Watt with PC lens to ensure better uniformity of light distribution, ambient temperature 35 degree celcius .and system lumen 9000 for above. Power by built in isolated electronic driver SMPS base constant current supply with lower THD, output open slash short circuit protection , Over voltage protection , Phase to phase protection , surge voltage protection 10 KVA. with IK 07 and IP 66 protection, CCT 5700K CRI more than 70 THD<10%, SPD 10 KV extra should be fixed with fitting, PF> 0.95 IP66 IK07 protection with life of 50000Hrs @ L70 operating temp -10 degree to +50 degree input supply voltage range 140/270V frequency 50/60Hz . Driver safety requirement standard: IS 15885/2/13, driver performance requirement IS 16104. Photobiological safety norms IS 16108. Certification LM 79 for luminar LM 80 for LED. And warranty should be 5 Years on site. Note for Srl item No.38 to 40 of BOQ :- (a) Contractor shall produce the Genuineness and warranty certificate from the manufacturer before fixing. (b) All complaints will be rectified on PRIORITY basis upto completion of contract. (c) Contractor will arrange /provide suitable ladder (Telescopic/Hydra) with technicians for repair of street lights from statrting of contract upto date of completion of the work ; complete all as specified and directed by Engineer-in-Charge. (d) The BIS stamp shall be mandatory on driver and light fixture.

Santokh Singh and Associates

Bharat Builder

PAWAN KUMAR GOVT. CONTRACTORS

diamond electrical

kailu construction co