REPAIR REPLACEMENT OF UNSERVICEABLE LIGHTENING

Amount

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) 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 & Fix in replacement Flame proof point wiring with single core PVC insulated and unsheathed 1100 volt grade (FRLSH) 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 & Fix in replacement Flame proof point wiring with single core PVC insulated and unsheathed 1100 volt grade (FRLSH) 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 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 1.5 Sqmm and connected to earth dolly complete conforming to IS-694 all as specified and directed

Supply and fixing in replacement totally enclosed 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 16 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 etc duly tested & certified by CMRI-Dhanbad. all as specified and directed

Supply and fixing in repair totally enclosed flame proof/weather proof LED fixture 2x20 complete watts 1200mm with aluminium extruded and aluminium heat sink, System Lumen Efficacy ≥100 Lm/W operating Voltage between 140-270Vac , Power Factor more than 0.90%, LED Driving Current < 70% of rated maximum forward current,THD less than 20%, CRI more than 80%, Luminaire intergal driver with 2KV surge protection, Over Load Protection, No Load Protection and BIS Marking (R no. for Driver), Driver Certiifcation IEC64347-2-13 IS(15885), Over all electrical efficency more than 90%, Driver electrical efficiency will be > 85%, with 2 year warranty all as specified and directed.

Supply and fixing in replacement Flame proof 8 way distribution board for mounting MCBs/RCBO's ELCB etc. as per IS specification and CMRI approved of factory made fabricated out of cast aluminium alloy LM-06 gray appoxy powder coated finish, fitted with DIN Channel neutral link, Earth links and 200 Amps rated bus bar. The DB shall be having with IP-65 protection. The DBs shall also be consisting and including the following:- (a) SPN 230 volts AC 50 Hz 40 Amps - 01 Nos (b) MCB single pole 240 volts AC 50 Hz 10 Amps - 6 Nos.

Supply and Fix in replacement flame proof flexible metalic hose conduit 20 mm dia all as specified and directed.

Supply & Fix in replacement of 100W LED flame Proof Flood Light with System Lumen Efficacy≥100 Lm/W operating Voltage between 140-270Vac, Driver will have cut off at > 300 Vac, Power Factor more than 0.95%, LED CCT 5665±355K as per ANSI BIN, LED Driving Current < 70% of rated maximum forward current, Luminaire intergal driver with 5KV surge protection, Over Load Protection, No Load Protection and BIS Marking (R no. for Driver), Driver Certiifcation IEC64347-2-13 IS(15885), Driver should be concealed under IP66,Over all electrical efficency more than 90%, Driver electrical efficiency will be > 85% connecting with PVC copper cable of size 3x1 sqmm as per IS 10322 at Least 2 Year on site warranty without any condition including taking down of old light fitting safely and removing from site complete all as specified and directed.

Material & Labour in replacement for earthing complete with and including galvanised steel earth plate electrode 600 mm x 600 mm x 6 mm surrounded by a mixture of charcoal and salt in alternate layers burried directly in ground vertically in a pit of depth not less than 2.25 m deep below ground level with top edge of earth plate at a depth of not less than 1.5 m below ground level, connected to galvanised iton steel earth lead wire 4 mm dia by means of nuts, bolts, checknuts and washers made out of galvanised iron, 15 mm bore (light grade) GI pipe for protection of earthing lead, 20 mm bore (light grade) GI pipe for watering with funnel, wire mesh and including necessary excavation and earth work, PCC 1:2:4 type B-1 pit and 50 mm thick RCC reinforced with XPM (weight not less than 3 kg/sq m) pit cover, C.I frame, charcoal and comman salt filling in alternate layers, complete all as shown and specified in electrical plate No. 5 of SI Part-I.

Material & Labour in replacement for flame proof rotary switch top as sample above complete all as specified and directed.

Supply & Fix in replacement GI strip of size 32x 6 mm buried in ground or fixed on wall connecting at ends, jointing alongwith suitable size PVC insulator etc complete all as specified and directed.

Supply and fix in replacement flame proof switch socket & plug combined in LM6 cable termination box in LM6, 16A 415V 4P + earth complete all as shown as specifed and directed.

Supply & Fix in replacement Flame proof sub main wiring with four core 16 sqmm + 1 x 16 Sqmm earth wire multistandard copper conductor cable (FRLSH), PVC insulated cable 1100 volts grade and 16 Sqmm as continious earthing single core copper continious earthign drawing and including extra including ERW rigid steel stove enameled black conduit heavy duty ISI marked of size 40 mm dia concealed type including all flame proof conduct fittings all as specified and directed

Supply & Fix in replacement Flame proof sub main wiring with two single core 6 sqmm + 1 x 6 Sqmm earth wire multistandard copper conductor cable (FRLSH), PVC insulated cable 1100 volts grade and 6 Sqmm as continious earthing single core copper continious earthign drawing and including extra including ERW rigid steel stove enameled black conduit heavy duty ISI marked of size 40 mm dia concealed type including all flame proof conduct fittings all as specified and directed

Supply and fixing in replacement Flame proof switch socket & plug combined in LM6 cable termination box in LM6, 16A, 250V, 2P+earth complete all as shown as specified and directed.

Material & Labour in replacement for earthing complete with and including but using copper plate 60×60cm ×3.15mm thick electrode and 20×3mm copper strip as earthing lead surrounded by a mixture of charcoal and salt in alternate layers burried directly in ground vertically in a pit of depth not less than 2.25 m deep below ground level with top edge of earth plate at a depth of not less than 1.5 m below ground level, connected to copper earth lead wire 4 mm dia by means of nuts, bolts, checknuts and washers made out of galvanised iron, 15 mm bore (light grade) GI pipe for protection of earthing lead, 20 mm bore (light grade) GI pipe for watering with funnel, wire mesh and including necessary excavation and earth work, PCC 1:2:4 type B-1 pit and 50 mm thick RCC (Design mix) reinforced with XPM (weight not less than 3 kg/sq m) pit cover, C.I frame, charcoal and comman salt filling in alternate layers, complete all as shown and specified in electrical plate No. 5 of SI Part-I.

Material & Labour in replacement of HPMV lamp 250 watt for existing flame proof light fitting of existing size fitted at a hight of 30 feet and above complete all as specified and directed.

Material & Labour in replacement of copper balast, 220-240V for existing HPMV/MH light fitting, fitted at a hight of 30 feet and above complete all as specified and directed.

Material & Labour in replacement of ignitor, 220-240V for existing HPMV/MH light fitting, fitted at a hight of 30 feet and above complete all as specified and directed.

Material & Labour for in replacement of Spiral base type LED Bullb 14W, 220-240 V (E-27), 1300 Lumen, white above complete all as specified and directed.

Supply and fixing in replacement of static Discharge Handles made out of 20mm dia, 500mm length electrolytic copper solid rod fixed on wall with Dough moulding compound (DMC) insulator, brass spacers and connected to the static discharge conductor/ 20x 3 mm copper strip with brazing all as specified and directed.

Supply & Fix in replacement of copper earth strip of size 20 x 3 mm buried in ground or fixed on wall connecting at ends, nuts and bults, jointing alongwith suitable size PVC insulators as sample etc complete all as specified and directed.

Demolition and taking out old damaged earth pit PCC chamber with cover and M& L for preparation of new PCC chamber in cement concrete 1:2:4 type B1 cover duly reinforced with XPM (weight not less than 4 Kg/sqm and CI frame and other provisions all as shown electrical plate No-3 of SSR-2009 Part-I complete all as specified and directed.

Repair to existing earthing and earth strip of any size includig replacement of existing nuts, bolts, checknuts and washers with new items as specified and directed

Dismantling and taking down Aluminium strip fixed on roof, floor wall and taking out old saddles and earthing strip in original state all as specified and directed.

Taking out old GI earthing strip of size 32x 6 mm embeded in earth and removing its bends and complete all as specified and directed.

Labour only for re-fixing in repair aluminium strip of size 25 mm x 3 mm to procelain insulator with suitable saddles & fixing screws etc on roof or on wall (appx. 35 feet above GL) including of bitumen washer, nuts, bolts, etc. required to fix the strip and air termination spikes existing serviceable or new insulators complete all as specified and directed. NOTE - Cost of suitable fixing jobs like drilling, welding, etc. required for fixing of strip and insulators on the any existing surface like PCC wall, asbestos sheet, etc. at site is deemed to be included in the quoted rate.

All as per item No 27.00 here-in-before but GI strip 32 mm x 6 mm.

Material & Labour in replacement of PCC (1:2:4) type B1 (using 12.5 mm graded stone aggregate) for block size form work as in grouting of porcelain/PVC insulator on the roof (appx. 35 feet above GL) and for making good to PCC pavement/road/hard standing, all as specified and directed. NOTE - (i) Size of PCC block required for erection of GI pipe-air termination arrangement is to be approved by Engr-in-Charge. (ii) Quoted rate is deemed to be inclusive of arrangements required for fixing of PCC blocks at any height and on any surface.

Supply & Fix in replacement at any height and on any surface PVC insulator with busbar support, to be fixed on wall or on roof (appx. 35 feet above GL) and connceted to GI or aluminium conductor earth continuity strip complete all as specified and directed. NOTE - Cost of suitable fixing jobs like drilling, welding, etc. required for fixing of strip and insulators on the any existing surface like PCC wall, asbestos sheet, etc. at site is deemed to be included in the quoted rate.

Supply & Fix in repairs/replacement air termination at any height, single pointed, aluminium rod 12 mm dia and 300mm long to be screwed and sturdily fixed to GI pipe of 40 mm dia with and including two no. sets of suitable size nut, bolt, washers (02 Nos.) all as specified and directed . NOTE - PCC block and GI pipe required shall be measured and paid separately under relevant items of Sch 'A'.

Supply & Fix in repair/replacement aluminium strip at any height of size 25 mm x 3.15 mm on PVC/porcelain insulator with suitable saddles & fixing screws etc on roof or on wall (appx. 35 feet above GL) including of bitumen washer, nuts, bolts, etc. required to fix the strip on existing serviceable or new insulators complete all as specified and directed. NOTE - Cost of suitable fixing jobs like drilling, welding, etc. required for fixing of strip and insulators on the any existing surface like PCC wall, asbestos sheet, etc. at site is deemed to be included in the quoted rate.

All as per item No 32.00 here-in-before but GI strip 32 mm x 6 mm.

Dismantling and removing old unserviceable earthing, M&L for earthing complete with galvanized steel earth plate electrode 60×60cm×6mm thick electrode burried directly in ground (earth pit not less than 2.25 m deep below GL) with top edge of the plate not less than 1.5 m below the normal ground level connected with 32×6 mm galvanized iron as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel including necessary excavation & earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1, using 20 mm graded stone aggregate, mild steel frame made out of angle iron of size 40mm x 40mm x 6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6 mm thick Cl cover with handle, watering arrangement with funnel internally secured with wire mesh with 20 mm dia medium grade GI pipe for watering, 40 mm dia light grade Gl pipe for lead protection in and including alternate layer of charcoal dust and common salt complete all as shown in electrical plate No 3 of SSR Part-I (2009) connected to earthing test point all as specified and indicated including testing on completion including retrieving of old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing as directed by Engineer-in-Charge. NOTE : - (i). Earthing strip GI/copper upto 7.5m will be measured and paid under this item only. (ii). The earth chamber shall be constructed 50 cm away from the edge of earth pit and the cost of the same is deemed to be included in the rate quoted for above item. (ii). Quoted rate is deemed to be inclusive of cost of demolition of old earthing as directed by Engr-in-Charge. (iii). The new earthing so constructed must have resisitance value below 2 ohms. If the aforesaid resistance value is not achieved contractor has to make proper aadditions/alterations to the newly constructed earthing at his own cost.

Material & Labour in replacement of fixing and connecting in replacement test point terminal block made out of gun metal or phosphorus bronze size 75 x 75 x 25 mm thick drilled and screwed including 03 Nos 8 mm dia 25 mm long hexagonal head screws fixed to GI strip bracket fixed to porcelain/PVC insulator on wall as in repairs, complete all as specified and directed. Note: Porcelain/PVC insulator will be measured & paid separetly.

Demolition and taking out old damaged earth pit PCC chamber with cover and M& L for preparation of new PCC chamber in cement concrete 1:2:4 type B1 cover duly reinforced with XPM (weight not less than 4 Kg/sqm and CI frame and other provisions all as shown electrical plate No-3 of SSR-2009 Part-I complete all as specified and directed.

Excavation in trenches in any type of soil not exc 1.5 m wide and not exc 1.5 m depth and getting out including forming bottom surfaces to required level or slope, complete all as specified and directed.

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

Removal of surplus soil to a distance n exc in 50 m and deposited where directed at a level n exc 1.5 m above the starting point complete all as specified and as directed

Supply & Fix in repairs/replacement 40mm dia. GI pipe, light grade, burried in trenches/ as supporter for for or to be fixed on wall as earth continuity protection pipe in repairs including necessary excavation and earth work in hard soil, returning & filling in, watering and well ramming, removal of surplus soil to a distance not exc 50 mtrs complete all as specified and directed.

Material & Labour for testing of lighting protection system & earthing (except new earthing ) of various Tech Area in the presence of representative of Engineer -in -Charge by removing all earthing connections from the earth test points and measuring the resistance of earthing (if any) & lightning protection network using an earth tester (as approved by Engr-in-Charge) detailing the defective earthings & lightening protection systems. Items to be repaired/ to be renewed must be noted down during record of test of lighting protection system. The test results should be kept on record after repairs/renewal and have to be get signed by Engineer-in-Charge alongwith the signature of Contractor. NOTE: (i) The earthing showing test result beyond 10 ohms are to be renewed and will be measured & paid for separately under relevant item of Sch 'A'. (ii). Meter for measuring the resistance of each earthing and conncted accessories will be arranged by the contractor.

Supply & Fix in Repair /replacenment 01 RM long 40 mm dia light grade GI pipe with provision of two no.holes (at approprite offsets as approved by Engr in-charge) on its body so as to fix 19 mm dia aluminum air termination rod to itself welded with 02 nos 12 cm long criss-cross welded 8 mm dia TMT bar arrangenment at the bottom and to be grounted in pcc block at any height complete allas specified and directed

Supply & Fix in replacement of LED Endura Well Glass light 40watt, pressure die cast aluminum housing, 240V, IP 65 class, including necessary fittings with suitable in-built electronic driver complete all as directed and as specified. NOTE - Cost of all minor spares and jobs required for fixing of light fixture on wall and for electrical connections are deemed to be included in the quoted rate.

Repair to existing earthing and earth strip of any size includig replacement of existing nuts, bolts, checknuts and washers with new items PCC chamber in PCC (1:2:4), type B1, using 20 mm graded stone aggregate, mild steel frame made out of angle iron of size 40mm x 40mm x 6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6 mm thick Cl cover with handle, watering arrangement with funnel internally secured with wire mesh with 20 mm dia medium grade GI pipe for watering, 40 mm dia light grade Gl pipe for lead protection as specified and directed Note :The contractor has to make his own arrangement for provision of electricity

Surindera Kumar Bansal (BID ID -3094100)

Esha Engineers (BID ID -3093856)

M/S Sonu Traders (BID ID -3080186)