REPAIR / MAINTENANCE OF UNSERVICABLE CONTROL PANEL, UNDERGROUND CABLES, VOLTAGE STABILIZERS, CSS AND LT PANELS ALONG WITH CERTAIN OTHER CONNECTED WORKS AT VARIOUS LOCATIONS IN SMQ / OMQ AREA AT AF-II UNDER GE (AF) JAMNAGAR NO.2

Amount

Excavation in trenches in hard/dense soil n.exc 1.5 mtr wide & n.exc 1.5mtr in depth for laying cables in trenches/pole foundation and getting out complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming excavated soil in layers not exceeding 25 cm thick each, filling back in trenches after cables have been laid and tested, poles, stays, struts have been erected and tested complete all as specified and directed.

Removing of surplus soil to a distance n.exc 50 mtr and depositing at a level n.exc 1.5 mtr above starting point where directed.

Material & Labour for Sand Cushioning to UG cable 40mm wide 15cm and 8cm thick above and below the cable respectively excluding one layer of brick class 'B' (old size) laid flat dry across the cable for protection cover on the top of the sand cushioning complete all as specified and directed. Note : Punned thickness of sand will be measured & paid.

Taking down old unsv reinforced precast concrete cable cover any type from the trenches etc complete all as specified and directed.

Laying only PCC cable cover for LT / HT UG cable, of any description retrieved from taking down cable covers complete all as specified and directed.

Supplying and laying reinforced precast concrete cable cover, class LV type 2, flat, size 300mm x 180mm x 40mm thick complete all as specified and directed.

Supply & fixing GI tubing light grade 80 mm bore for cable protection fixed to poles under floor/ground complete with all fittings complete all as specified and directed.

Supply & fixing GI tubing light grade 50 mm bore for cable protection fixed to poles under floor/ground complete with all fittings complete all as specified and directed.

Taking out old / unsv LT cable any size from trenches/duct, stacking at site, checking by megger and carry out repair/replacement of defective cable complete all as specified and directed.

Supply and laying in trenches or fixing on poles or passing through pipe or under floors LT PVC sheathed armoured cable 1100 Volts grade 'Heavy duty', XLPE insulated, multistarnded aluminium conductor served with inner sheating of PVC tape armoured with galvanised steel strip/wire or tape and overall PVC sheathed of size 120 Sqmm nominal cross sectional area 3.5 core confirming to IS-7098,1998 (part-I) specification complete all as specified and directed. Note: Excavation, earth work, bricks, sand and pipe protection shall be measured and paid separately.

Supply and laying in trenches or fixing on poles or passing through pipe or under floors LT PVC sheathed armoured cable 1100 Volts grade 'Heavy duty', XLPE insulated, multistarnded aluminium conductor served with inner sheating of PVC tape armoured with galvanised steel strip/wire or tape and overall PVC sheathed of size 95 Sqmm nominal cross sectional area 3.5 core confirming to IS-7098,1998 (part-I) specification complete all as specified and directed. Note: Excavation, earth work, bricks, sand and pipe protection shall be measured and paid separately.

Supply and laying in trenches or fixing on poles or passing through pipe or under floors LT PVC sheathed armoured cable 1100 Volts grade 'Heavy duty', XLPE insulated, multistarnded aluminium conductor served with inner sheating of PVC tape armoured with galvanised steel strip/wire or tape and overall PVC sheathed of size 70 Sqmm nominal cross sectional area 3.5 core confirming to IS-7098,1998 (part-I) specification complete all as specified and directed. Note: Excavation, earth work, bricks, sand and pipe protection shall be measured and paid separately.

Supply and laying in trenches or fixing on poles or passing through pipe or under floors LT PVC sheathed armoured cable 1100 Volts grade 'Heavy duty', XLPE insulated, multistarnded aluminium conductor served with inner sheating of PVC tape armoured with galvanised steel strip/wire or tape and overall PVC sheathed of size 50 Sqmm nominal cross sectional area 3.5 core confirming to IS-7098,1998 (part-I) specification complete all as specified and directed. Note: Excavation, earth work, bricks, sand and pipe protection shall be measured and paid separately.

Supply and laying in trenches or fixing on poles or passing through pipe or under floors LT PVC sheathed armoured cable 1100 Volts grade 'Heavy duty', XLPE insulated, multistarnded aluminium conductor served with inner sheating of PVC tape armoured with galvanised steel strip/wire or tape and overall PVC sheathed of size 35 Sqmm nominal cross sectional area 3.5 core confirming to IS-7098,1998 (part-I) specification complete all as specified and directed. Note: Excavation, earth work, bricks, sand and pipe protection shall be measured and paid separately.

Supply and laying in trenches or fixing on poles or passing through pipe or under floors LT PVC sheathed armoured cable 1100 Volts grade 'Heavy duty', XLPE insulated, multistarnded aluminium conductor served with inner sheating of PVC tape armoured with galvanised steel strip/wire or tape and overall PVC sheathed of size 25 Sqmm nominal cross sectional area 3.5 core confirming to IS-7098,1998 (part-I) specification complete all as specified and directed. Note: Excavation, earth work, bricks, sand and pipe protection shall be measured and paid separately.

Material & labour for PCC 1:4:8 type D2 using 40mm graded stone aggregate as in foundation of electric poles, struts, blocks with and including necessary form work, and fair finish to exposed surfaces without using extra cement complete all as specified and directed.

Earthing complete with galvanised steel earth electrode plate of size 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25m deep below normal ground level) with top edge of the plate not less than 1.50m below normal ground level, connected to galvanised iron earth strip 32x6mm up to test point with suitable GI nuts/bolts and brazed properly up to main board including earth pit in cement concrete 1:2:4 type B-1, precast RCC cover in 1:2:4 reinforced with expanded metal, with suitable handle, excavation and earth work in any type of soil and including medium grade GI watering pipe 25mm bore with funnel wire mesh and medium grade GI earth wire protection pipe 50mm bore up to main board complete as shown in electrical plate no 3 of MES schedule Part-I 1991, connected to earthing testing point including taking out existing unsv earthing and testing on completion complete all as specified and directed.

All as per item No.18 above but using galvanised earth lead wire 4.0mm dia as earthing lead

Taking out old / unsv rusted LT Panel of any size and description, disconnecting cable connection, demolition of existing concrete and removed from site complete all as specified and directed.

Supply, installation, testing and commissioning LT panel outdoor type confirming to IS 8623 Part I(one) obtained from CPRI approved manufacturer , totally enclosed weather and vermin proof suitably ventilated for 3 phase, 4 wire 415 Volts, 50Hz, AC supply, outer shell shall be made out of 3.15mm thick CRCA sheet & MS angle section of suitable size for frame, factory fabricated, compartmentalized inner shell shall be made of out of 2.0mm thick CRCA sheet for control gear. Front and back door opening with locking arrangement at front. Protection of enclosure IP 56 as per IS-2147 of 1962 with pre-treatment through 7 tank hot chemical process prior to powder coating and powder coated with minimum 50-70 micron of approved colour. The bottom of outer shell contains a detachable plate having provision for entry of armoured cable of adequate size. EPDM gasket of appropriate shape and size provided at all joints, doors and covers including suitable size angle iron/flat iron frame work / support required with four legs 60 cm long using angle iron 60x60x6mm, air passing holes and locking arrangement at front with duplicate keys and making connection of incoming and outgoing cable using proper cable lugs,legs grouted in PCC 1:2:4 type 'B-1' and making good disturbed surface complete and comprising of the following :-

A. (i)TPN Aluminium electrolytic grade bus bar of capacity 400 Amps for phases & 250Amps for neutral. and auxillary busbar to support main busbar. duly supported on SMC/DMC, busbar supports and insulated with colour coded heat shrinkable sleeve. (ii) Digital multifunction meter(V,A,KW,KWH),415V AC alongwith C.T’s of suitable ratio (set of three),class 1.0, complete. (iii) Indication lamps LED type (RYB) = 01 Set of three. CTs 500/5A class 1.0, 15VA(Cast Resin) for metering-03 nos. (iv) Internal wiring, with suitable size of FRLS copper conductor cable. B. INCOMER:(i)MCCB 250 Amp 4 pole,35 KA confirming to IS/IEC 60947-2,Ics=100% Icu with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperator - 01no

C.OUTGOING : (i) MCCB 100 amp 4 pole, 25 KA, Ics=100% Icu, with fixed magnetic and adjustable thermal release, adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperator - 01nos (ii) MCCB 63 amp 4 pole, 25 KA, Ics=100% Icu with fixed magneticand adjustable thermal release, adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperator - 05 nos complete all as specified and directed. Make of MCCB/MCB : Legrand / Schneider / Siemens / C &S. Note: (i) LT Panel shall be brought from CPRI approved manufacturer (ii)Contractor shall submit the following Test report. IP Test Report and verification of short circuit withstand test report issued by CPRI in respect of LT Panel.(iii) Contractor shall submit drawing for approval prior to place order.

Supply, installation, testing and commissioning LT panel outdoor type confirming to IS 8623 Part-I (one), obtained from CPRI approved manufacturer, totally enclosed weather and vermin proof suitably ventilated for 3 phase, 4 wire 415 Volts, 50Hz, AC supply, outer shell shall be made out of 3.15mm thick CRCA sheet & MS angle section of suitable size for frame, factory fabricated, compartmentalized inner shell shall be made of out of 2.0mm thick CRCA sheet for control gear. Front and back door opening with locking arrangement at front. Protection of enclosure IP 56 as per IS-2147 of 1962 with pre- treatment through 7 tank hot chemical process prior to powder coating and powder coated with minimum 50-70 micron of approved colour. The bottom of outer shell contains a detachable plate having provision for entry of armoured cable of adequate size. EPDM gasket of appropriate shape and size provided at all joints, doors and covers including suitable size angle iron/flat iron frame work / support required with four legs 60 cm long using angle iron 60x60x6mm, air passing holes and locking arrangement at front with duplicate keys and making connection of incoming and outgoing cable using proper cable lugs,legs grouted in PCC 1:2:4 type B-1 and making good disturbed surface complete and comprising of the following :-

A. (i)TPN Aluminium electrolytic grade bus bar of capacity 350 Amps for phases & 200 Amps for neutral. and auxillary busbar to support main busbar.duly supported on SMC/DMC, busbar supports and insulated with colour coded heat shrinkable sleeve. (ii) Digital multifunction meter (V,A,KW,KWH),415V AC alongwith C.T’s of suitable ratio (set of three),class 1.0, complete. (iii) Indication lamps LED type (RYB) = 01 Set of three. CTs 500/5A class 1.0,15VA (Cast Resin) for metering-03 nos .(iv) Internal wiring, with suitable size of FRLS copper conductor cable. B. INCOMER:(i) MCCB 200 Amp 4 pole,35 KA confirming to IS/IEC 60947-2, Ics=100% Icu with fixed magneticand adjustable thermal release, adjustable overload 80-100% and adjustable short ckt 5 to 10ln setting complete with phase seperator - 01no

C.OUTGOING : (i) MCCB 100 amp 4 pole,25 KA, Ics=100% Icu, with fixed magneticand adjustable thermal release, adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperator - 01nos (ii)MCCB 63 amp 4 pole, 25 KA, Ics=100% Icuwith fixed magneticand adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperator -01 nos (iii) MCB TPN 63 amp, 10KA, C Curve -03 nos complete all as specified and directed. Make of MCCB/MCB : Legrand/Schneider/Siemens / C&S. Note:(i) LT Panel shall be brought from CPRI approved Manufacturer (ii)Contractor shall submit the following Test reporti. IP Test Report and verification of short circuit withstand test report issued by CPRI in respect of LT Panel.(iii) Contractor shall submit drawing for approval prior to place order.

Supply, installation, testing and commissioning LT panel outdoor type for Location : Near Sabarmati Guest Room and Bldg no P-20 confirming to IS 8623 Part I(one) ,obtained from CPRI approved manufacturer, totally enclosed weather and vermin proof suitably ventilated for 3 phase, 4 wire 415 Volts, 50Hz, AC supply, outer shell shall be made out of 3.15mm thick CRCA sheet & MS angle section of suitable size for frame, factory fabricated, compartmentalized inner shell shall be made of out of 2mm thick CRCA sheet for control gear. Front and back door opening with locking arrangement at front. Protection of enclosure IP 56 as per IS-2147 of 1962 with pre- treatment through 7 tank hot chemical process prior to powder coating and powder coated with minimum 50-70 micron of approved colour. The bottom of outer shell contains a detachable plate having provision for entry of armoured cable of adequate size. EPDM gasket of appropriate shape and size provided at all joints, doors and covers including suitable size angle iron/flat iron frame work / support required with four legs 60 cm long using angle iron 60x60x6mm, air passing holes and locking arrangement at front with duplicate keys and making connection of incoming and outgoing cable using proper cable lugs,legs grouted in PCC 1:2:4 type 'B-1' and making good disturbed surface complete and comprising of the following :-

A. (i)TPN Aluminium electrolytic grade bus bar of capacity 350 Amps for phases & 200 Amps for neutral.and auxillary busbar to support main busbar. duly supported on SMC/DMC, busbar supports and insulated with colour coded heat shrinkable sleeve.(ii) Digital multifunction meter(V,A,KW,KWH),415V AC alongwith C.T’s of suitable ratio (set of three),class 1.0, complete. (iii) Indication lamps LED type (RYB) = 01 Set of three. CTs 500/5A class 1.0,15VA(Cast Resin) for metering-03 nos .(iv) Internal wiring, with suitable size of FRLS copper conductor cable. B. INCOMER:(i)MCCB 200 Amp 4 pole,35 KA ,Ics=100% Icu Ics=100% Icu, with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperator - 01no

C.OUTGOING : (i) MCCB 63 amp 4 pole,25 KA ,Ics=100% Icu Ics=100% Icu, with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperator - 03 nos(ii)MCCB 100 amp 4 pole,25 KA ,Ics=100% Icu Ics=100% Icu, with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting complete with phase seperator - 1 nos complete all as specified and directed. Make of MCCB/MCB : Legrand/Schneider/Siemens / C&S. Note: (i) LT Panel shall be brought from CPRI approved manufacturer (ii) Contractor shall submit the following test report i.e. IP Test Report and verification of short circuit withstand test report issued by CPRI in respect of LT Panel. (iii) Contractor shall submit drawing for approval prior to place order.

M & L for preparation of old painted surfaces of RCC/PCC pole and painting to pole 9.0m long with application of two coats of cement base paint of approved colour ,Air force Blue colour, marking of strip in alternate blue and white paint pattern up to 2.0mtr above the pole coping and marking of pole number in yellow background circle 10cm radius and writing pole no , 3cm long using black colour complete all as specified and directed by Engr-in-Charge.

M & L for preparation of old painted surfaces of steel tubular pole and painting to pole 9.0m long with application of two coats of synthetic enamelled silver paint of approved colour, marking of strip in alternate black and white paint pattern up to 2.0mtr above the pole coping and marking of pole number in yellow background circle 10cm radius and writing pole No, 3cm long using black colour complete all as specified and directed.

Supply and fix CI cable route indicator 100mm dia, 5mm thick duly engraved with "LT 1100 volts" having CI rod 10mm dia, 50 to 70 cm long, duly welded to round plate complete with PCC 1:4:8 type D2 complete all as specified and directed.

Material and labour for synthetic insulating mat of size 2m x 1m x19mm thick as per ISI marked and it is should be approved by CPRI and as per IS-8437 for test complete all as specified and directed.

S & F Exide XP1500 battery 12V, 150-180Ah heavy duty batteries are made using special hybrid alloy used for DG set confirming to IS 16270 and IS 16046 with initial charging suitable for DG set complete all as specified and directed.

S & F in repairs 4 pole contactor 125-250A 4NO , suitable for 415V AC complete all as specified and directed.

S & F in repairs MCCB 200/250 Amp 4 pole, 36 KA confirming to IS/IEC 60947-2, Ics=100% Icu with fixed magnetic and adjustable thermal release, adjustable overload 80-100% and adjustable short ckt 5 to 10ln setting with phase seperator, suitable for 415V AC complete all as specified and directed.

M & L for shifting of solar light street pole/ street light pole to a distance not exceeding 50 mtr and erect in true vertical position steel tabular pole, around 15.0 metres long complete all as specified and directed. Work consisting following items under:- (i) PCC foundation & coping, Excavation earth work . (ii) Nut bolt like as existing as required. (iii) hydro crane for shifting the pole (iv) material and labour regarding that work etc.

Supply and fixing alumunium service, 4.0sqmm 1100 volts grade heavy duty cable with PVC insulated multi stranded copper conductor cable flame retardant low smoke & halogen 1100volt confirming to IS complete all as specified and directed.

S & F in repairs MCCB 400 Amp 4 pole,36 KA confirmin g to IS/IEC 60947-2,Ics=100% Icu with fixed magnetic and adjustable thermal release,adjustable overload 80-100%and adjustable short ckt 5 to 10ln setting with phase seperator, suitable for 415V AC complete all as specified and directed.

Supply and fix in repair outdoor waterproof metal type pillar light/dome light/gate light modern design type suitable for Primary:220-240 V AC , 50/60Hz for outdoor purpose having already fitted LED fitting inbuit driver 60 watt suitable for home enterance,home gate including taking out old/unsv complete all as specified and as directed.

Supply and fix in repair outdoor aviation red obstruction warning light having day/night photocell sensor, flashing 20-60 FPM suitable for Primary:220-240 V AC, 50/60Hz having IP 65 rating as per standard IS/IEC 60529:2001 with polycarbonate glass for 360 degree illumination having photocell on/off internally fittedincluding taking out old/unsv complete all as specified and directed.

M & L for fabrication work in panel including cross arms, bracing, support clamps and back plates fabricated from stell sctions including nuts, bolts, washers, welding, bending, cold or hot drilling for bolts, in any shape or size as indicated or directed and inclusive of one primer coat one finishing coat of paint complete all as specified and directed.

S & F in repair 12V, 120Ah capacity Lithium Ferro Phosphate battery (at C/10 discharge rate) confirming to IS 16270 and IS 16046 with initial charging suitable for LED street light fitting complete all as specified and directed.

M & L for cleaning of various E/M installation including grass cutting,removal of unneccessary trees, plant sorrounds the equipments like CSS, RMU, Transformer, LT Panel by taking proper shut down and as instructed by concerned JE complete all as specified and directed.

Taking shut down from main receiving station and disconnecting EHT & HT connection from transformer of any capacity and disconnecting / removing of earthing strip from transformer complete all as specified and directed.

Repair of transformer of any capacity and type of step down transformer including repair / replacement of the followings :- (a) Drainin g out of existing traformer oil (b) Lifting of core and and winding assembly complete from in side the transformer after un screwing all nuts bolts washers and cleaning old / used insulating oil (c) Dismantling damaged laminated sheet cutting/shaping new laminated sheets as per existing parten& lfixing with existing frame (d) Wraping insulating paper over high voltage coil (e) Necessary rewinding of primary core with existing size and quality of copper strip / wire all as directed and approved by garrisiso n enginneer (f) Necessary rewinding of secondery core with existing copper wire with new insulation of internally all as directed by Engr in charege (g) Repair / replacement of all other minior parts if found un servicable worn out during repair (h) changing alll gaskets and Reassebling the transformer transporting to its loation installing testing and commissioning up to the entire satisfication of Engr in charge in presence of rep of the Acepting officer Note :The replaced items shall be measured and paid seperately as supply only in schedule (ii) Unit rate quatedagainist this item shall also the deemeed to include for labour required for fixing of replace items

Supply & fixing the following items of transformer required for replacement of unserviceable items obtained from item above complete all as specified and directed. (a) Copper winding wire as per existing size and shape duly insulated with 3 layer paper insulation machine wrapping over the winding strips suitable for HV & LV coils.

Re-assembling the Transformer after re-winding / tightening of transformer core, tightening/replaceing of bushing / studs, oil seal etc. both primary and secoundary, fixing top cover conservator tank, breather, top cover gasket etc complete all as specified and directed. Note : Re-winding, replacement of bushing and studs measured seperately.

Re-fixing the transformer on its existing position & connecting the power supply, testing and commissioning, up to the entire satisfaction of Engr-in-Charge in the presence of rep of the Accepting Officer.

M&L for de-hydration and filteration of Transformer oil of any type and capacity of Transformers at AF Stn Jamnagar with a dehydration machine till the desired level of dielectric strength of tranformer oil comes to 60 KV (The contractor will test the dielectric strength of oil of each Tranformer & voltage stabilizer before starting dehydration & filteration and after completion of dehydration & filteration process and he will submit a record of same. Each sample of oil will be tested with a transformer oil test machine at site in presence of concerned JE's/Engr-in-charge and test result will be submitted accordingly).

Supply and refil new Transformer oil in Transformers having low level after heating to the required Temperature for top up. (Transformer oil should be 60 KV dielectic strength and in sealed barrel having proper test certificate from manufacturer). Make of Transformer oil : Transol/Power oil/any brand of Indian oil corporation).

M & L for GOD servicing/repair including tighening/replacing of fuses,wires,nut,bolts/studs gaskets, cheking of earthing resistance,paintaing of pole structure, geasing and oiling of structure including fabrication work if any required from structure with hot/cold drilling of bolts washers frame structures in ayy shape or size including two finishing coat of paint complete all as specified and directed.

M & L for Lightning arresters expulsion type complete with all fittings, 30 kilo amp discharge capacity, distribution class up to 11 kv complete all as specified and directed.

S & F orcelain aerial/expulsion fuses suitable for line wire, with brass contact bolts and nuts upto of size 3mm dia upto maximum current of 100 amp complete all as specified and directed.

Supply and fixing cable jointing kit for LT cable of 1.1 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured Aluminium conductor cable of size 16 to 95 Sq mm complete all as specified and directed.

Supply and fixing cable jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 Sq mm complete all as specified and directed.

M & L for decorative pendant wall lamps of aluminium-glass material flush mounted with Led buld used in bedroom, porch for night light having bracket for wall mounting having turkish antique style for maximum 30 watts complete all as specified and directed.

M & L for tree / branch cutting sorrounded over LT overhead lines,street light pole upto hight 15 meter by using vehicle lifter arrangement including cuttung machine with blades with wire to do work 8 hrs in a day with skilled labour having experience ,taking proper shutdown and intimated JE complete all as specified and directed.

M/s Prakash Enterprises (BID ID -3402357)

OM ELECTRICAL ENERGY (BID ID -3407134)

SURESH ELECTRICALS (BID ID -3407549)

DWARKADHISH ENTERPRISE (BID ID -3406784)