REP/ MAINT OF LIGHTENING PROTECTION SYSTEM, EARTHINGS ANY TYPE, AIR TERMINATION AND ALLIED WORKS INCLUDING REPLACEMENT OF UNSERVICEABLE POINT WIRING, FLAME PROOF LIGHT FITTING AND FIXTURES IN DOMESTIC AREA AT AF STN GURGAON

Taking down carefully Copper/aluminium point wiring on wooden batten /pvc conduit /Pvc casing and capping (light/Socket/Power) complete including (Fittings such as switches, ceiling roses, pendants, regulators, sockets electric energy meters, light fittings, etc to be measured separately) removing materials to store and making good distrubed surfaces of walls. Floors etc to match with the existing including disconnection of ceiling/exhaust fan connection, complete all as specifed and directed.

Supply and Fix in replacement Flame proof point wiring with single core PVC insulated and unsheathed 1100 volt grade (FRLS) electric cable with multi stranded copper conductor of size 1.5 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 flame proof conduct fittings and accessories such as tees junction boxes, bends duly tested by CMRI Dhanbad suitable for Six light controlled by one flame proof rotary switch SP one way and including drawing continuous earth wire PVC insulated unsheathed 1100V grade cable with stranded copper conductor of size 1.5 Sqmm and connected to earth dolly complete conforming to IS-694 all as specified and directed.

Supply and Fix in replacement Flame proof point wiring with single core PVC insulated and unsheathed 1100 volt grade (FRLS) 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 flame proof conduct fittings and accessories such as tees junction boxes, bends duly tested by CMRI Dhanbad suitable for two light controlled by one flame proof rotary switch SP one way 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 conforming to IS-694 all as specified and directed.

Supply Installation Testing and Commissioning in replacement a set of maintenance free tripod earthing system consisting of 3 No. of Copper Bonded Earth Rod of 10 feet length, 17.2 mm dia made of high tensile low carbon steel circular rods, molecularly bonded with 99.9% electrolytic grade copper on outer surface (minimum copper bonding thickness-250 microns) with exothermically jointed copper bus bar of 150x50x6mm for long lasting and connection . Each copper bonded rod and the exothermically jointed busbar both should be CPRI tested on at least 25KA Fault current to ensuring the high current carrying capacity of the system and earth rod should be certified by Underwriter laboratories confirming to comply with UL467 international standard for grounding and bonding equipment. Each rod should be used with minimum 50kg earth enhancing compound that should be ROHS tested and have passed , Resisitivity of the earth enhancing compond should be less than 0.05 ohm meter - an international standard for Earth Enhancement Compound by NABL accredit Lab. Note : The rate for interconnection of tripod earth with Copper strip of size 20x3 mm and poly carbonate earth pit cover -03 Nos shall deemed to be included in the quoted rates. The Earth result should be less than 1 ohm and the result will be checkedin presence of user rep & MES Rep.

Material and Labour for earthing in replacement complete with Copper earth plate electrode 600 x 600 x 3.15 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of the plate not less than 1.5 mtr below normal ground level,the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15cm on all side and including connected toand including Copper strip as earth lead 20x3mm mm size upto 7.5 mtrs long by means of nuts and bolts, check nuts and washers of brass and connected to earhing test point and earth dolly all as shown in electrical plate No 3 of MES SSR part I and testing on completion including necessary excavation and earth work in any type of soil,PCC(1:3:6)type C1 chamber,pre-cast RCC slab 50mm thick in cement concrete (1:2:4),type B1,reinforced with welded steel wire fabric or XPM,(weight not less than 4 Kg per Sqm) with cast iron frame,funnel with watering pipe 20mm dia medium grade,wire mesh and lugs,GI protection pipe,15mm dia,light grade,7.5 mtr long for protection of earth lead upto test point etc complete all as specified and directed.

Material and Labour for earthing in replacement complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of the plate not less than 1.5 mtr below normal ground level,the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15cm on all side and including connected toand including galvanized earth lead strip 32 x 6 mm size upto 7.5 mtrs long by means of nuts and bolts, check nuts and washers of GI and connected to earhing test point and earth dolly all as shown in electrical plate No 3 of MES SSR part I and testing on completion including necessary excavation and earth work in any type of soil,PCC(1:3:6)type C1 chamber,pre-cast RCC slab 50mm thick in cement concrete (1:2:4),type B1,reinforced with welded steel wire fabric or XPM,(weight not less than 4 Kg per Sqm) with funnel with watering pipe 20mm dia medium grade,wire mesh and lugs,GI protection pipe,40mm dia,light grade,7.5 mtr long for protection of earth lead upto test point etc alongwith old unserviceable earthing all as specified and as directed.

Material and Labour for earthing in replacement complete with galvanized steel earth plate electrode 600x600x6.0 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of the plate not less than 1.5 mtr below normal ground level,the earth electrode surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15cm on all side and including connected toand including galvanized earth lead wire 4.0 mm dia upto 7.5 mtrs long by means of nuts and bolts, check nuts and washers of GI and connected to earhing test point and earth dolly all as shown in electrical plate No 3 of MES SSR part I and testing on completion including necessary excavation and earth work in any type of soil,PCC(1:3:6) type C1 chamber,pre-cast RCC slab 50mm thic in cement concrete (1:2:4),type B1,reinforced with welded steel wire fabric or XPM,(weight not less than 4 Kg per Sqm) with funnel with watering pipe 20mm dia medium grade,wire mesh and lugs,GI protection pipe,15mm dia,light grade,7.5 mtr long for protection of earth lead upto test point etc complete. Note for Item ser No. 4 to 7:- (a) The quoted rates are including taking down of old unsv earthing any type and size. (b) The value of earth pit should be checked in presence of MES rep. (c) If the desired value of earth resistance is not found then complete earthing will be re-done by contractor without any extra charges to the dept.

Dismantling and taking down security light, street light, hanger light, flood light and high mast lights of any type at any height fittings such as HPSV/HPMV/MH/LED light of 48 Watt/ 60 watt / 70/72 watt/ 90 watt/ 120 watt/ 150 watt/ 200 watt and 300 watt of any make etc. AC 230 volts any wattage from pole/wall roof top/hanger roof including washing/cleaning of perplex cover inspection for location of fault and replacing of defective speare/parts required for smooth functioning, tighting of electric connection complete and assembling and reconnecting all as per site requirment all as specified and directed. Note: Defective spare/ part of relevant light fitting shall be measured and paid separately under relevant item as supply only.

Supply only LED electronic driver/adaptor/SPD for 40-60 watt LED security light fitting existing make all as specified and directed.

Supply only LED electronic driver/adaptor/SPD for 90 watt LED security light fitting existing make all as specified and directed.