SPL REPAIR AND IMPROVEMENT OF HT PANEL AND OVERHEAD HT LINE FROM HORSE REGT TO NBC AREA UNDER AGE EM OF GE S MAMUN

Amount

Excavating in trenches in any type of soil, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, pole or cable etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out complete all as specified and directed.

Excavation in trenches in Hard/Dense soil n. exc. 1.5 Mtr in width and exc. 1.5 Mtr but not exc. 3.00 Mtr in depth and getting out all as required for laying of cable/ poles complete all as specified and directed.

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

Returning filling in (soils), including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each all as required complete all as specified and directed.

Supply and laying unreinforced precast cement concrete cable cover, class HV, type 1 with peak, size 300 mm x 180mmx 40mm for protection of cable abutting each laid dary flat width equal to the length of cable cover complete all as specified and directed.

Material and Labour for dry fine sand cushioning to under ground cables 8 cm thick before laying the cable and 15 cm thick after laying, stretching and testing the cable all as directed. Note: Punned thickness shall be measured and paid.

Supply, laying in replacement of HT XLPE cable in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductor, 11KV (Earthed) grade, suitable for earthed system, with aluminium conductor of size 120 Sqmm 3 Core etc including taking down old unserviceable HT cable of any type/size/description complete all specified and directed (Note : Excavation & Earth work shall be measured and paid seprately).

Material and labour for cable termination outdoor, heat shrinkable type suitable for XLPE cable of size 120 Sqmm to 185 sqmm 3 core with working voltage 11000 volts (Earthed) with jointing material and accessories including testing complete all as specified and directed.

Dismantling and taking down carefully old steel pole along with conductor/GI wire of any size from pole overhead line after unbinding from insulator complete and removing from site all as specified and directed.

Supply and fixing in replacement of steel tubular swaged poles complete with iron base plate, bolts, nuts & screws as specified type 410 SP-55 (11 metres long) including painting with anti corrosive paint internally complete and externally up to planting depth, alternative green & white strips of 30 cm width upto 1.5 mtr above ground level, balance length to be painted with two coats of aluminium paint externally with pole numbering all as required at site or directed by Engr-in-charge. Note: Earth work and PCC will be measured and paid separately under respective items.

Dismantling insulators any type, any size and keeping serviceable insulators aside for reuse removing unserviceable insulators from site complete all as specified and directed.

Supply, installation, commissioning and testing 11 KV Air break switch, gang operated for current rating upto 400 Amps, triple pole, horizontal type, mechanically operated with accessories such as polymer insulator assembly (Set of 15 insulators), All current carrying parts shall be of non-ferrous metal or alloys and shall be designed to limit sharp points/edges, a set of adjustable arcing horns made from 2 SWG GI wire shall be mounted on each insulator stack of G.O pad-locking arrangement for both ‘ON and OFF’ positions, operating mechanism worked from ground level, Suitable height of operating handle , GI tubing 20mm bore (heavy grade) for connecting operating handle, pad-locking arrangement shall be provided for both ‘ON and OFF’ positions drop out fuse. All steel parts are applied of two coats of aluminium paint over a coat of primer complete all as specified and directed.

Supply and fixing HT lightening arrestor metal oxide type (gap less) heavy duty single pole suitable for rated system voltage of 12 KV and working rated arrestor voltage of 9 KV with normal discharge current of 10 KA complete with all fitting transmission class, discharge capacity 10 kilo Amp all as per IEC 99.4 effectively connected with earthy system complete all as specified and directed by Engr-in-Charge. Note:- Test certificate for lighting arrestor shall be supplied without which no payment shall be made.

Material and labour for plain cement concrete (1:4:8) type D-2 with (using 40mm graded stone aggregate) as in foundations and mass concrete etc complete all as specified and directed.

Material & labour for plain cement concrete (1:3:6) type C-1 with (using 20mm graded stone aggregate) as in coping of poles and foundation of stay etc including necessary form work, complete all as specified and directed.

Material and labour for replacement of unserviceable stay assembly complete with MS stay plate of size 300x300x6mm thick, stay rod 20mm dia, stay bow, nuts, bolts and check nuts of GI all as shown in EP No 01 of SSR Part-I of 2009 or directed. Note: (Excavation, PCC, stay wire and loop type insulators will be measured separately).

Material and labour for replacement of unserviceable galvanized stay strand of size 7/4 mm, complete all as specified and directed.

Material and labour for loop type insulator large size with overall dimensions (90 x140) mm with clearance of hole 25.5 mm vitreous white brown or green complete all as required at site or directed.

Supply and fixing in replacement of existing unserviceable danger notice board with pressed vitreous painted plate fabricated out of 1.6mm thick mild steel sheet vitreous enamelled white with letters.figures and convertional skull and bones in signal red colour and fixed with MS clamp bolts,and nuts of approved size for HT, 25X20cm size complete all as specified and directed.

Supply and fixing in replacement of existing unserviceable anti climbing device spikes type fabricated out of MS bars (round, spuare or flat ) including nuts, bolts washers and welding into two halves made to shape to suite the cross section of the pole including one coat of primer and one under coat and one finishing coat of aluminium paint including preparation of suraface complete all as specified and directed.

Supply and fixing of Cable route indicators. The cable route indicators comprises for the followings:- a) The cable indicator shall be made up of CI round 100 mm dia welded fitted with MS angle Iron 40x40x6 mm, 90 CM long. The angle shall be grouted in PCC block 1:3:6 of size 150x150x150mm. The CI round shall be embossed with the work " MES HT Cables". b) The unit rate of S & F of Cable indicators shall be deemed to included the above provision complete.

Material and labour for Cradles, hexagonal/ rectangular, fabricated with galvanised steel wire 4 mm dia complete all as specified and directed by Engr-in-charge.

Material and labour in replacement of galvanised steel wire 4 mm dia complete all as specified and directed by Engr-in-Charge.

Dismantling and taking down carefully old PCC pole along with conductor/GI wire of any size from pole overhead line after unbinding from insulator complete and removing from site all as specified and directed.

Material and labour in replacment of existing unserviceable PCC pole with prestressed concrete pole, 11.00 metres long 152mmx152mm at top and 152mmx260mm at bottom class 9 erecting in truly position complete all as specified and directed. Note: Earth work and PCC will be measured and paid separately under respective items.

Dismantling and taking down carefully old ACSR conductor/GI wire of any size from HT overhead line after unbinding from insulator complete all as specified and directed

Supply and fixing in replcement of ACSR conductor any size to HT/LT over head lines, stretching properly to achieve proper sag including binding to insulators using GI/aluminium binding wire all as required at site including connections of incoming and out going cables complete all as specified and directed.

Dismatling of cross-arms of M.S. channel or angle sections etc complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement of Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one Prime coat, one under coat and one finishing coat of aluminium paint complete all as specified and directed.

Supply and fixing in replacement for GI tubing light grade 150 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole, complete all as specified and as directed.

Supply and fixing in replacement for GI tubing light grade 100 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.

Supply and fixing in replacement of single disc insulator assembly for tension with tension clamps for conductors, working pressure 11000 Volts insulator, porcelain, vitreous having 145mm high and 255 mm dia ball and socket type and white, brown or green in color complete all as required at site or directed by Engr-in-Charge.

Supply and fixing in replacement of Pin type porcelain vitreous insulator, white brown or green in color including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut and having 150 mm height, 150 mm dia suitable for 11000 volts complete all as required at site or directed by Engr-in-Charge.

Material and labour for Earthing complete with using copper plate electrode 600x600x3.15 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 mtr below normal ground level and earth plate surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness off 15 cm all around the plate with using copper strip 20×3mm as earthing lead moulded and retreived to earth plate at one end and connected to main switch / control board at another end with and including 40 mm dia GI light grade from upper end of earth plate upto external face of the wall of the building including 20 mm dia bore GI pipe medium grade as water pipe from chamber to upper edge of the plate GI funnel with wire mess fixed on water pipe and provison of PCC 1:2:4 type B-1 (Using 20 mm dia graded stone aggregate) duly reinforced with mild steel round bar 6 mm dia @ 150 mm c/c both ways with 10 mm dia mild steel bars as in lifting handle with and including necessary excavation and earth work including laying the pipe concealed in floor / wall all as per plate No-3 of SSR Part-I complete all as specified and directed and testing on completion. Note:- If the desired resistance is not found earthing shall be done by the contractor at no extra cost to Govt.

Material and labour for Earthing complete with galvanised steel earth plate electrode 600mmx600mm thickness not less than 6mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level connected to galvanised earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron/steel all as shown in electric plate No 3 connected to earth test point/MCB DBs all as specified and indicated complete with funnel, charcoal, dust, salt etc and GI protection pipe, medium grade 15mm bore and GI watering pipe 20mm bore light grade, 40mm thick precast RCC M-15 (nomial mix) cover reinforced with XPM weight not less than 4 Kg/Sqm with suitable handle of 6mm dia MS bar and angle iron 40x40x3mm frame for cover, PCC M-15 (Nominal mix) pit, excavation and earth work in any type of soil and connected, complete all as specified & directed. Note:- 1. Earth lead & protection pipes length upto & including 7.50 metre is deemed included in the unit rate quoted by the contractor. 2. Soil should be free fromstone, boulders, aggregate, gravels etc

Supply , installation, testing and commissioning of HT Panel having following specifications:- Indoor Vaccum Circuit Breaker Panel suitable for 11 KV, 630 Amps, for incomer confirming to IEC 62271-200 (2021), horizontal draw out, IAC-AFLR-25KA for 1 Sec, LSC2B-PM class front accessed having following specifications:- (a) 630 A continuous rated electrolytic copper bus bars, droppers and bus bars should be extensible and insulated with full system voltage sleeves of Reychem or eq make. (b) Trolly floor mounted vaccum circuit breaker as per IEC-62271-100 .Vaccum circuit breaker should have three no. resin encapsulaed vaccum bottles. (c ) Motorized spring charging mechanism with integral spring charging handle for manual spring charge. (d) Cast resin current transformer 11 KV, 300-150/5-5A, Core 1 : Class 1.0, 15 VA , Core 2 :5P10, 15 VA. (e) Cast resin potential transformer 11 KV/V3/110V/3/110V/3, 50VA, CI 1.0, CI 3P and HT fuse at the primary end and 04 pole MCB at the secondary end of the PT . (f) Accessories like local remote switch, breaker control switch (T-N-C) , space heater with thermostat, DC and AC control circuit through MCB, indicating lamps for RYB , spring charge, DC Power Supply backup system as per requirement ,breaker ON/OFF, breaker in SERVICE /TEST as per manufacturer.

(g) Multifunction meter with RS 485 port model No. EM6400 of CONSERV make L&T equivalent. (h) Digital ammeter and Digital voltmeter. (j) Master Trip Relay. (k) Comprehensive numerical protection relay as per IEC 61850 compatiable for directional and non-directional O/C, E/F, U/V, O/V protection as per OEM Make having following additional facilities:- 1. Trip Ckt supervision. 2. Disturbance recorder. 3. Event log with date and time. 4. Measurement and control feature. (l) Panel should also have additional facility like;- 1. Intermittant rated closing and tripping coil. 2. Fully internal arc type tested ( 25 KA for 1 sec). 3. Vaccum bottles should be epoxy encapsulated. 4. Racking in/out , manual closing/tripping of CB with compartment door closed. 5. Breaker shall be provided with following contacts. (a) Auxiliary switch with 6NO+6NC mounted on the draw out portion of the switchgear (b) Position switches with 3 NO+ 1NC contacts for each position in SERVICE and TEST. (c) Breaker shall be E-2, C-2, M-2 type tested. (d) Breaker, Panel, Vaccum interrupter, Relays shall be of same OEM 6. Panel height should not exceed 2300mm. 7. Type Test Reports for internal arc test to be submitted alongwith submission of drawings.

Supply, installation, testing and commissioning of HT Panel having following specifications:- Indoor Vaccum Circuit Breaker Panel suitable for 11 KV , 630 Amps, 25 KA for 3 sec for outgoing confirming to IEC 62271-200 (2021), class front accessed having following specifications:- (a) 630 A continuous rated electrolytic copper bus bars, droppers and bus bars should be extensible insulated with full system voltage sleeves of Reychem or eq make. (b) Trolly floor mounted vaccum circuit breaker as per IEC-62271-100 .Vaccum circuit breaker should have three no. resin encapsulaed vaccum bottles. (c) Motorized spring charging mechanism with integral spring charging handle for manual spring charge. (d) Cast resin current transformer 11 KV,(i) 200-100/5-5A, Core 1 : Class 1.0, 15 VA , Core 2 :5P10, 15 VA. (e) Accessories like local remote switch, breaker control switch (T-N-C) , space heater with thermostat, DC and AC control circuit through MCB, along with DC suppy backup system, indicating lamps for RYB , spring charge,DC Power Supply backup system as per requirement, breaker ON/OFF, over current setting (50to 200%) and earth fault setting (20 to 80%) breaker in SERVICE /TEST as per manufacturer.

(f) Multifunction meter with RS 485 port model No. EM6400 of CONSERV make L&T equivalent. (g) Digital ammeter and Digital voltmeter. (h) Master Trip Relay. (j) Comprehensive numerical protection relay as per IEC 61850 compatiable for directional and non-directional O/C, E/F,U/V, O/V protection as per OEM Make having following additional facilities:- 1. Trip Ckt supervision. 2. Disturbance recorder. 3. Event log with date and time. 4. Measurement and control feature. (k) Panel should also have additional facility like;- 1. Intermittant rated closing and tripping coil. 2. Fully internal arc type tested ( 25 KA for 1 sec). 3. Vaccum bottles should be epoxy encapsulated. 4. Racking in/out , manual closing/tripping of CB with compartment door closed. 5. Breaker shall be provided with following contacts. (a) Auxiliary switch with 6NO+6NC mounted on the draw out portion of the switchgear (b) Position switches with 3 NO+ 1NC contacts for each position in SERVICE and TEST. (c) Breaker shall be E-2, C-2, M-2 type tested. (d) Breaker, Panel, Vaccum interrupter, Relays shall be of same OEM 6. Panel height should not exceed 2300mm. 7. Type Test Reports for internal arc test to be submitted alongwith submission of drawings.

Supply , installation, testing and commissioning of HT Panel having following specifications:- Indoor Vaccum Circuit Breaker Panel suitable for 11 KV , 630 Amps, 25 KA for 3 sec for outgoing confirming to IEC 62271-200 (2021), class front accessed having following specifications:- (a) 630 A continuous rated electrolytic copper bus bars, droppers and bus bars should be extensible insulated with full system voltage sleeves of Reychem or eq make. (b) Trolly floor mounted vaccum circuit breaker as per IEC-62271-100 .Vaccum circuit breaker should have three no. resin encapsulaed vaccum bottles. (c) Motorized spring charging mechanism with integral spring charging handle for manual spring charge. (d) Cast resin current transformer 11 KV,(i) 100/50/5-5A Core 1 : Class 1.0, 15 VA , Core 2 :5P10, 15 VA. (e) Accessories like local remote switch, breaker control switch (T-N-C) , space heater with thermostat, DC and AC control circuit through MCB, along with DC supply bachup system, indicating lamps for RYB , spring charge, DC Power Supply backup system as per requirement , breaker ON/OFF, over current setting (50 to 200%) and earth fault setting (20 to 80%) breaker in SERVICE /TEST as per manufacturer. (f) Multifunction meter with RS 485 port model No. EM6400 of CONSERV make L&T equivalent.

(g) Digital ammeter and Digital voltmeter. (h) Master Trip Relay. (j) Comprehensive numerical protection relay as per IEC 61850 compatiable for directional and non-directional O/C, E/F,U/V, O/V protection as per OEM Make having following additional facilities:- 1. Trip Ckt supervision. 2. Disturbance recorder. 3. Event log with date and time. 4. Measurement and control feature. (k) Panel should also have additional facility like;- 1. Intermittant rated closing and tripping coil. 2. Fully internal arc type tested ( 25 KA for 1 sec). 3. Vaccum bottles should be epoxy encapsulated. 4. Racking in/out , manual closing/tripping of CB with compartment door closed. 5. Breaker shall be provided with following contacts. (a) Auxiliary switch with 6NO+6NC mounted on the draw out portion of the switchgear (b) Position switches with 3 NO+ 1NC contacts for each position in SERVICE and TEST. (c) Breaker shall be E-2, C-2, M-2 type tested. (d) Breaker, Panel, Vaccum interrupter, Relays shall be of same OEM 6. Panel height should not exceed 2300mm. 7. Type Test Reports for internal arc test to be submitted alongwith submission of drawings.

COMMONS NOTES:- For Item No 36,37 & 38 (a) Drawings for panels shall be got approved from GE before placement of order by contractor. (b) Precommissiong test of panel shall be carried out by EI or rep of AO within overall cost of quoted by contracotor. (c) Any modification required to match the system with existing system,i.e battery backup system, bus coupler etc is deemed to be included in overall cost quoted by contractor. (d) Pre dispatch inspection of panels shall be carried out at factory premise by rep of AO within overall cost quoted by contractor. Decision of AO shall be final in this regards. (e) Taking out along with all connected items of existing UNSV HT Panel from existing installation, taken out from the site and to be deposited in the E/M store yard

MAHESH KUMAR SINGLA CONTRACTOR (BID ID -3148162)

kailu construction co (BID ID -3147848)

dadwal engineers (BID ID -3148115)

M/s Trade Linker Associates (BID ID -3148198)

Auto India (BID ID -3148073)

TRIVENI CONSTRUCTIONS (BID ID -3153170)

Standard engineers (BID ID -3147546)