REPAIR MAINTENANCE AND RENEWAL OF DISTRIBUTION BOARD EARTHING AND MISCELLANEOUS INTERNAL ELECTRIFICATION AT VAYUSENA NAGAR, NAGPUR

Material and labour for charges to carry out Earth resistance test with well calibrated suitable earth resistance tester after opening the test POINTs and recording the result in presence of MES/ Air force representative complete all as per IS 3043 of 1966. NOTE: - (i) Watering of earthing with 2 Buckets (30Ltrs) water mixed with salt (total 5 Kg) shall be carried out one day before the testing & the cost of the same shall deemed included in unit rate quoted. (ii) The result should be recorded in the result sheet and on building at place directd by Engineer-in-charge. (iii) Two seprate team should be used for recording the test result and the Test result should be submitted to the AGE E/M Office on daily basis.Testing equipment & ladder has to be arranged by the contractor on his own.

Material and labour for Earthing complete with galvanised steel plate electrode, 600 x 600 x 6 mm thick, buried directly in ground (earth pit not less than 2.25 mtrs deep below nominal ground level) with top edge of the plate not less than not less than 1.5 metres below nominal ground level connected to earthing lead of 4 mm dia galvanised iron or steel wire all as shown in plate No. 3 of SSR PART 1 of 2020 to the earthing test POINT all as specified and as directed. Note :- the cost of excavation and earth work PCC pit and RCC cover funnel & watering pipe, wiremesh, charcoal dust and common salt earth lead protection pipe upto 7.5 Rmt shall be deemed included in the unit rate for earthing all as specified and as directed.

Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 3.5 m below normal ground level) with top edge of earth plate not less than 2.5m below normal ground level, connected to galvanized iron strip 25X4 mm by means of electric arc welding of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test POINT and the equipment on the other side complete all as specified, including testing and commissioning complete all as directed. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40mm bore GI pipe light grade etc. (b) The quoted rates shall also deemed to include the cost of earth test POINT and earth strip/GI earthing and protection pipe upto 7.5 meter beyond the earth plates electrode.

Material and labour for repairing of broken earthing pits chamber with PCC (1:3:6) type C-1 with funnel and wire mesh for watering pipe all as directed.

Material and labour for replacing of broken earthing pits cover with RCC (1:2:4) type B0, with funnel and wire mesh for watering pipe all as directed.

Supply and fixing polypit chamber with polyplastic pit cover heavy grade of size not less than 300mmx300mmx300mm and painted with weather proof red paint and identification marking (cost of painting with weather proof red paint and identification marking shall be deemed to be included in the rate quoted) complete all as specified and as directed.

Material and labour for cutting / boring of PCC/hard standing at a depth not more than 30 cm deep and 30 cm in breadth for passing earthing conductor and making good the disturbed surfaces with PCC (1:2:4) type B-0 or cement mortar (1:3) complete all as specified.

Dismantling / taking down old GI pipe and Supply and fixing of GI pipe light grade of size 15 mm bore for laying in trenches/floors or walls including all fittings for fixing complete as required and directed.

Dismantling / taking down old GI earth wire and Material and labour for earth continuity conductor or main earthing lead 4 mm dia GI or steel wire fixed to wall on batten or recessed or buried in ground or drawn in conduit/pipe all as required at site.

Material and labour for Earthing complete with Copper plate earth electrode 600X600X3.15mm thick buried directly in ground (earth pit not less than 2.25 meter below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to 20x3mm copper strip at two POINTs by means of bolts and nut, check nut and washers including charcoal dust, common salt, necessary excavation in hard/dense soil, returning filling in and removal of surplus soil to a distance up to 50metres, PCC pit in 1:3:6 type CI (using 20mm grade stone aggregate) RCC 1:2:4 type B-1 (using 20mm grade stone aggregate ) 50mm thick pit cover, reinforced with 8mm dia TMT bars 75mm c/c, both ways MS handle 12mm dia, GI funnel, wire mesh and GI watering pipe of 20mm bore GI (light grade) and earth lead protection pipe 32 mm bore (light grade) all as specified, directed and shown in electrical plate No 3 of SSR Part-I including testing complete. Note : Copper strip and protection pipes 40 mm GI light grade up to 7.5 metre is included in unit rate and beyond that the same will be measured separately.

Supply and fixing in repairs Copper strip of size 20 x 3 mm fixed to wall with or any other indicated situation for loop earthing including aluminium saddles and screws drawn in conduit/ fixed to poles connected upto test terminal POINT complete all as specified and directed. Note : - Insulators/conduit shall be deemed to be included in quoted rates.

Supply and fixing in repairs aluminium strip of size 25 x 3 mm fixed to wall/pole with aluminium saddles and screws for roof/ down conductor above ground/ buried in ground/ drawn in fixed to poles or any other indicated situation for loop earthingconduit/including connected upto test terminal POINT complete all as specified and directed. Note : - Insulators/conduit shall be deemed to be included in quoted rates.

Supply and fixing GI pipe light grade of size 25 mm bore for laying in trenches/floors or walls including all fittings for fixing complete as required and directed by Engineer-in-Charge.

Material and labour for maint free safe earthing system with set of three separate electrod to be used as grid earthing EACH pit complete with 01 Number UL 467 approved/CPRI tested copper bonded (copper cladded earth rod with 250 microns of copper cladding) earth rod with 78 mm dia 3000mm long electrode buried in ground to bore holes 120 mm dia vertically to a depth not less than 3.50 mtr deep below ground level or L shape in case of Rocky condition (2 ft deep and 8 ft horizontol) with top edge of earth electrode at a depth not less than 500mm below normal ground level, provision of copper bus bar of size 200mm x 25mmx6mm for inter connection with copper earth lead strip 25mm x 3mm and further connected to test POINT terminal block alongwith the protection pipe of size 25mm bore med grade all as directed. EACH earth pit shall include minimum 50kg (two bags of 25kg EACH) NABL lab Certified back fill compound and 6 kg (two container of 3kg EACH) NABL Lab Certified conductive gel compound for filling bore holes with mother soil mixed in 1:3 ratio (one part of back fill compound and three part of mother soil), so as to achieve earth resistance below 1 Ohm including exacavation of polypit chamber with polyplastic pit cover heavy grade of size not less than 300mmx300mmx300mm and painted with weather proof red paint and identification marking (cost of poly pit chamber with polyplastic pit cover shall be deemed to be included in the rate quoted) complete all as specified and as directed by Engineer-in-charge. Make : S N Engineering , Dhruva Technology Pvt Ltd, Pragati, Ashgel Electrode or equivalent. Note : (a) Copper strip beyond test POINT shall be measured and paid separately (b) The rate quoted is inclusive of test POINT made of phosphorous bronze of size 75x75x25mm, drilled and screwed including 3 Nos 8mm dia 25mm long brass nuts and bolts complete all as directed. (c) Any other fittings /fixtures if technically required for archieving desired results (if not included above) shall be provided by contractor without any extra cost to the Govt. (d) On testing after completion if the desired resistenance i.e below 1 Ohm is not obtained the contractor shall redo the earthing without any extra cost of department.

Taking down carefully sub-main wiring of any description and making good to ther disturbed surfaces to match the existing all as specified and as directed by EIC.

Material and labour for sub main wiring (concealed/surface as required) complete with four single core 6 Sqmm FRLS PVC insulated unsheathed stranded copper conductor cable drawn through in and including 25 mm dia rigid non-metallic PVC conduit heavy grade and conduit accessories including 6 Sqmm FRLS PVC insulated unsheated stranded copper earth cable connected to common earth dolly complete and including cutting chasing in walls for concealed wiring using machine cutting and making good the disturbed surface all as specified and directed. Note: 5 run of 6 sqmm&one run of PVC conduit shall be measured as single unit

Material and labour for sub main wiring (concealed/surface as required) complete with two single core 6 Sqmm FRLS PVC insulated unsheathed stranded copper conductor cable drawn through in and including 20 mm dia rigid non-metallic PVC conduit heavy grade and conduit accessories including 6 Sqmm FRLS PVC insulated unsheated stranded copper earth cable connected to common earth dolly complete and including cutting chasing in walls for concealed wiring using machine cutting and making good the disturbed surface all as specified and directed. Note: 3 run of 6 sqmm&one run of PVC conduit shall be measured as single unit

Material and labour for sub main wiring (concealed/surface as required) complete with two single core 4 Sqmm FRLS PVC insulated unsheathed stranded copper conductor cable drawn through in and including 20 mm dia rigid non-metallic PVC conduit heavy grade and conduit accessories including 4 Sqmm FRLS PVC insulated unsheated stranded copper earth cable connected to common earth dolly complete and including cutting chasing in walls for concealed wiring using machine cutting and making good the disturbed surface all as specified and directed. Note: 3 run of 4 sqmm&one run of PVC conduit shall be measured as single unit

Taking down carefully any type POINT wiring (light, fans, socket etc) complete including battens and fittings such as switch, ceiling rose, light fittings, regulators, socket, etc. and making good disturbed surface of wall/floor, etc. complete all as specified and as directed.

Material and labour for POINT wiring (surface) complete with FRLS PVC insulated unsheathed 1100 Volts grade, conforming to IS-694, 1.5 sq mm (nominal area) multi stranded copper conductor cable drawn though in PVC Caping/Casing of size 20x12 to 25x16, ISI marked, 19/20 mm dia including all accessories and making good the disturbed surface, with and including suitable modular boxes surface type of make legrand ,switch plates of make Legrand and 1.5 sq mm copper earth continuity wire connected to earth dolly complete for the following complete all as specified and as directed. (a) One light POINT controlled by one switch.

(b) One ceiling/exhaust fan POINT controlled by one switch.

(c) One 3 pin socket outlet 6 amps on same board.

(d) One 3 pin socket outlet 6 amps on independent board.

Material and labour for POINT wiring (surface) complete with FRLS PVC insulated unsheathed 1100 volts grade, conforming to IS-694, 2.5 Sq mm (nominal area) multi stranded copper conductor cable drawn through PVC conduit or casing and caping (size of casing and caping as required in ground) including all accessories, fixing in walls/floors/ceilings with 2.5 Sq mm coppr earth continuity wire connected to earth dolly complete for one 16A Socket on Independent board.

Material and labour for POINT wiring (surface) complete with FRLS PVC insulated unsheathed 1100 volts grade, conforming to IS-694, 4 Sq mm (nominal area) multi stranded copper conductor cable drawn through PVC conduit or casing and caping (size of casing and caping as required in ground) including all accessories, fixing in walls/floors/ceilings with 4 Sq mm coppr earth continuity wire connected to earth dolly complete for one 20/25A Socket on Independent board.

Taking down old unserviceable and Supply & Fix 0-4 step, one module, modular type electronic regulator for ceiling fan 1200 mm sweep, 240 volts, 100 Watts humfree single pole, all as specified and as directed. Make : Legrand Cat No. 675531 or equivalent in Seimens/ Havells

Taking down old unserviceable and Supply & Fix Switch modular type, single pole one way 6 Amps, 250 volts Ac suitable for modular switch boxes without indicator, all as specified and as directed. Make : Legrand Cat No. 675501 or equivalent in Seimens/ Havells

Taking down old unserviceable and Supply & Fix socket modular type single pole one way 6 Amps 3 pin, 250 volts all as specified and as directed. Make : Legrand Cat No. 675551 or equivalent in Seimens/ Havells

Taking down old unserviceable and Supply & Fix for ceiling rose, surface bakelite, 65 x 50 mm, two to three terminals all as specified and as directed.

Taking down old unserviceable and Supply & Fix socket modular type 16 Amps, 3 pin combine, 2 module,240 volts all as specified and as directed. Make : Legrand Cat No. 675555 or equivalent in Seimens/ Havells

Taking down old unserviceable and Supply & Fix switch modular type 16 Amps,one way with indicator, 1 module,240 volts all as specified and as directed. Make : Legrand Cat No. 675513 or equivalent in Seimens/ Havells

Taking down old unserviceable and Supply and fix power unit with 20A SP MCB alongwith 20 A Plug for AC upto 2 ton, 3 module, 240 volts all as specified and directed.

Taking down old unserviceable and Supply & Fix new LED security light fitting 25 W, IP 66 rating, made out of pressure die cast aluminium powder coated housing high impact resistant 4 mm thick toughened glass cover and matrix of power LEDs in built electronic driver, fitted with adjustable pole adopter to enable on site tilt angle setting and input power 25 W system lumens 85/W operating voltage 160-260 V of make :CG Cat Part No. LSTS-25-CDL-M or equivalent in Bajaj/Wipro/Philips. :- Note :(i) Rates are deemed to be included for security ligh brackets made out of 25 mm / 20 mm dia GI medium grade tubing of suitable length and bend to shape including fixing MS flat iron clamps, bolts & nuts as per site requirement complete in all respect complete all as specified and as directed.

Taking down old unserviceable any type fittings and Supply & Fixing new Decorative LED light 36 watt recessed mounting type complete with all accessories & connector etc internally pre-wired and including connecting up with twin core twisted flexible copper conductor cable with suitable size, all as specified. Make : CG Cat Part No. LCTLRN-36-FO-CDL or equivalent in Bajaj/Wipro/Philips.

Supply & Fix new master led tube 4ft 20 W LED batten of high-quality materials and design, Extruded aluminum housing enhances safety, High quality PC Diffuser. Reliable and robust housing structure having nominal system lumen output of 2500 lumens and a minimum system efficacy of 125 lm/W. The luminaire shall have a rated system lifetime of 50,000 burning hours at L70.The luminaire should have a color temperature of 6500K and CRI>83. The luminaire shall meet IP20 rating with THD < 10% and PF > 0.95. The total power consumption should not exceed 20W (including driver) complete all as specified and as directed. Make : CG Cat Part No. CCS-100-20-65-HL2-DP-NWH or equivalent in Bajaj/Wipro.

Taking down old unserviceable and Supply & Fix new Surface mounting LED Luminaries and 1 x 10 Watt LED fitting with connecting up with copper 3 core flexible cord of minimum size 1.5 Sqmm size complete all as specified and as directed .

Taking out the existing any type fittings from ceilings and Supply and fixing new 18 Watt LED round/square recessed flat panel light pearl model with locking arrangement in ceiling with a nominal system lumen output of 1800 lumens and a minimum system efficacy of 100 lumen/watt. The luminaire shall have rated system lifetime of 50,000 burning hours at L70 complete all as specified and as directed . Make : CG Cat Part No. LSCRM-18W-CDL or equivalent in Bajaj/Wipro/Philips.

Taking down old unserviceable any type fittings, Supply & Fixing new Decorative LED light 18 watt round/square surface mounting flat panel type complete with all accessories & connector etc internally pre-wired and including connecting up with twin core twisted flexible copper conductor cable with suitable size, all as specified. Make : CG Cat Part No. LCDSPLN-R-18W-CDL or equivalent in Bajaj/Wipro/Philips.

Supply & Fix new master led tube 4ft 20 W emergency LED batten gets automatically switched on during a power cut and reuns effectively upto 3 hours of high-quality materials and design, Extruded polycarbonate housing enhances safety, High quality PC Diffuser. Reliable and robust housing structure having nominal system lumen output of 2000 lumens (AC) and 500 lumens (DC) . The luminaire shall have a rated system lifetime of 50,000 burning hours at L70.The luminaire should have a color temperature of 6500K and CRI>80 . The luminaire shall meet IP20 rating with THD < 10% and PF > 0.90. The total power consumption should not exceed 20W (including driver) complete all as specified and as directed.

Supply & Fix new master led tube 2ft 10 W emergency LED batten gets automatically switched on during a power cut and reuns effectively upto 3 hours of high-quality materials and design, Extruded polycarbonate housing enhances safety, High quality PC Diffuser. Reliable and robust housing structure having nominal system lumen output of 1000 lumens (AC) and 350 lumens (DC) . The luminaire shall have a rated system lifetime of 50,000 burning hours at L70.The luminaire should have a color temperature of 6500K and CRI>80 . The luminaire shall meet IP20 rating with THD < 10% and PF > 0.90. The total power consumption should no complete all as specified and as directed.

Taking down old unserviceable and Supply & Fix sheet metal enclosures for DB's for incorporating MCBs, TPN, 4 way, IP-43 with metal double door, 415 volts, as per IS-8623 including taking down the old unserviceable TPN DB, all as specified and as directed. Make : Legrand Cat No 507670 or equivalent in L & T/Seimens.

Taking down old unserviceable and Supply & Fix MCB TPN, 63 Amps, breaking capacity 10 KA 'C' curve confirming to IS/IEC 60898-1 2002,integrated label holder, sliding bottom clamp , IP 20 protected terminal, sliding shutters, 240 volts, 50 HZ including making necessary incoming and outgoing electrical connection with suitable size of copper lugs etc. Make : Legrand Cat No. 408683 or equivalent in L & T/Seimens.

Taking down old unserviceable and Supply & Fix sheet metal enclosures for SPN DB's with metal double door for incorporating MCBs, IP-43, 12 way with 200 amps rated busbar, 240 volts, as per IS-8623 all as specified and as directed. Make : Legrand Cat No 507611 or equivalent in L & T/Seimens.

Taking down old unserviceable and Supply & Fix sheet metal enclosures for SPN DB's with metal double door for incorporating MCBs, IP-43, 8 way with 200 amps rated busbar, 240 volts, as per IS-8623 all as specified and as directed. Make : Legrand Cat No 507611 or equivalent in L & T/Seimens.

Taking down old unserviceable and Supply & Fix MCB SPN, 32 Amps, breaking capacity 10 KA 'C' curve confirming to IS/IEC 60898-1 2002,integrated label holder, sliding bottom clamp , IP 20 protected terminal, sliding shutters, 240 volts, 50 HZ including making necessary incoming and outgoing electrical connection with suitable size of copper lugs etc. Make : Legrand Cat No. 408617 or equivalent in L & T/Seimens.

Taking down old unserviceable and Supply & Fix MCB SP 10-32 Amps, breaking capacity 10 KA 'C' curve confirming to IS/IEC 60898-1 2002,integrated label holder, sliding bottom clamp , IP 20 protected terminal, sliding shutters, 240 volts, 50 HZ including making necessary incoming and outgoing electrical connection with suitable size of copper lugs etc. Make : Legrand or equivalent in L & T/Seimens.

Material and labour for fabrication of MS sheet 3 mm including bending to required shape/welding including hinges and panel locks with handle of MS flat 20x3 mm required size completer for doors of meter/MCB DB panel wall mounted/floor standing outdoor type including one coat of enamel paint over one coat of primer all as specified and as directed.

Material and labour for fabrication of MS sheet 2 mm including bending to required shape/welding including hinges and panel locks with handle of MS flat 20x3 mm required size completer for doors of meter/MCB DB panel wall mounted/floor standing indoor type including one coat of enamel paint over one coat of primer all as specified and as directed.

Supply and fixing Mild steel work in framed brackets of angles or tees with web and flanges cut to shape, drilled and counter sunk for srew, including bending and welding angles as necessary, gusset platess, riveting etc. including nut & bolts Complete all as specified and directed.

Supply and fix electronic meters temper proof LCD display with polycarbonate cover, single phase, 230 V, 10-60Amp, accuracy class-I 50Hz, conforming to IS 13779, IP-54, with parameters to show data, time, current reading, load, PF, voltage and KWH complete all as specified and directed.

Supply and fix electronic meters temper proof LCD display with polycarbonate cover, Three phase, 415 V, 10-60Amp, accuracy class-I 50Hz, conforming to IS 13779, IP-54, with parameters to show data, time, current reading, load, PF, voltage and KWH complete all as specified and directed.

Labour charges to carry out Earth resistance test of maint free earthing with well calibrated suitable earth resistance tester after opening the test POINTs and recording the result in presence of MES/ Air force representative complete all as per IS 3043 of 1966. NOTE: - (ii) The result should be recorded in the result sheet and on building at place directd by Engineer-in-charge. (iii) Two seprate team should be used for recording the test result and the Test result should be submitted to the AGE E/M Office on daily basis.Testing equipment & ladder has to be arranged by the contractor on his own.