REPAIR REPLACEMENT MAINT OF HT 33 11KV CABLE OVERHEAD CONDUCTOR HT POLES JUNCTION BOX LIGHTENING ARRESTER VCB TRANSFORMER ALONG WITH PAINTING AND ALLIED WORKS AT AF STN KUMBHIRGRAM

Amount

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in deep and getting out in hard/dense soil for laying underground cable, foundation etc all as specified and as directed.

All as per serial item No. 1 above but exceeding 1.50 metre but not exceeding 3.00 metre in depth.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm all as directed

Removing excavated material not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point all as directed

Supply spread dry river sand in trenches on top and bottom of cable for cable cushioning and filling in duct all as specified and directed. Note: For measurement purpose only punned thickness shall be considered

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1 FLAT, size 300mm x 180mm x 40mm complete all as specified and directed.

Reifixing of existing cable cover any type of good condition after the cleaning complete all as per specified and directed

Taking up HT UG cable of size 95sqmm/120 sqmm from trench/wall/duct/pole alongwith cable covers and kept aside for reuse all as directed by Engr-in-charge Note:- (i) Excavation shall be measured and paid seoarately under relevant items of the schedule

Supply, Lay, testing and commissioning of HT UG cable XLPE insulated , screened, PVC bedded, galvanized steel strip or wire armored electric power cable (heavy duty) with stranded aluminium conductor,11000 volts grade(eathed), of size 3 core 95 Sqmm complete laid in trenches or fixed on walls /floors etc.all as specified and as directed.

Supply, Lay, testing and commissioning of HT UG cable XLPE insulated , screened, PVC bedded, galvanized steel strip or wire armored electric power cable (heavy duty) with stranded aluminium conductor,11000 volts grade(eathed), of size 3 core 120 Sqmm complete laid in trenches or fixed on walls /floors etc.all as specified and as directed.

Laying only the the serviceable cable which is retrived from item No 9 in trench/Duct/pole alongwith cable covers and sand cushioning etc all as specified and directed Note:- (i) Only unbroken cable covers shall be reused (ii) Excavation, returning refilling , removal and sand cushioning shall be measured and paid separately under relevant items of theis schedule

Supply and fix cable route indicator made out of 30CmX20CmX3 mm thick MS sheet of suitable size (As approved by Engr-in-charge) duly painted with two coats black paint over a coat of red oxide primer and writing cable direction, Nature of cable(i.e MAFI,MRS,SUb station etc.), size of cable(in SQMM),type of cable(HT/LT cable) with white paint, mounted on angle iron 40x40x3 mm, angle height 45 cm, (30cm below ground level) with PCC 20cmx20cmx15cm all as specified and as directed by Engineer- in- charge.

Supplying and jointing in repair straight through jointing kit (Heat shrinkable) with all accessories suitable for HT 11 KV XLPE UG cable of size 3core 70/95 sqmm aluminum conductor and testing complete all as directed by the engineer-in-charge. (Make: Birla 3M/Denson/M Seal/Raychem)

Supplying and jointing in repair straight through jointing kit (Heat shrinkable) with all accessories suitable for HT 11 KV XLPE UG cable of size 3core 120/185sqmm aluminum conductor and testing complete all as directed by the engineer-in-charge. (Make: Birla 3M/Denson/M Seal/Raychem)

Supply and fix in repair Indoor type cable terminations(heat shrinkable) with all accessories suitable for 3 core 11KV HT U/G XLPE cable of size 50 to 95 sqmm Sq.mm including testing complete all as specified and as directed by Engr-in-charge Make - M-Seal/Denson/Raychem or equivalent.)

Supply and fix in repair outdoor type cable terminations(heat shrinkable) with all accessories suitable for 3 core 11KV U/G XLPE cable of size 50 to 95 Sq.mm including testing complete all as specified and as directed by Engr-in-charge.Make - M-Seal/ Denson/Raychem/Birla 3M or equivalent.

Supply and fix in repair Indoor type cable end terminations(heat shrinkable) with all accessories suitable for 3 core 11KV U/G XLPE cable of size 120 to 185 sqmm Sq.mm including testing complete all as specified and as directed by Engr-in-charge.(Make: M-Seal/Denson/Raychem) or equivalent.

Supply and fix in repair outdoor type cable end terminations(heat shrinkable) suitable for 3 core 11KV U/G XLPE cable of size 120 to 185 Sq.mm including testing complete all as specified and as directed by Engr-in-charge.(Make:M-Seal/Denson/Raychem/Birla 3M) or equivalent.

M & L for Danger notice plate of 1.6mm thick mild steel sheet with vitreous enamelled with letter figures and conventional skull and bones in signal red colour and fixed with MS clamps bolts and nuts of approved size for HT, 25 x 20cm all as specified and Directed.

Dismantling of ACSR conductor of any size/type all as specified and as directed.

M & L for ACSR aluminium conductor, steel reinforced of suitable size all as directed by Engr-in-charge.

Labour only for Restringing of HT overhead lines (Each span i.e span of 3 lines) of conductor with permissible sag including properly binding with insulators and binding with new ACSR conductor of same size after restringing all as specified and as directed.

Dismantling cross arms of MS channel or angle etc complete and setting aside for re-use within 50m or for offering credit all as directed.

M & L for cross arms bracing supports clamps and back plates fabricated from sturctural steel sections including nuts,bolts, washers, weldding, bending cold or hot drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of Synthetic enamel paint

Dismantling insulators of any type and any size all as directed.

M/L for pin type porcelain vitreous white, brown or green insulators including one galvanised mild steel spindle two galvanised iron washers one GI nut 150mm height 150mm dia for 11 KV complete all as specified and directed by Engr-in-charge.

M/L disc insulator porcelain vitreous 145 mm high and 255mm dia ball and sockent type, white brorwn or green single disc assembly complete all as specified and directed by Engr-in-charge.

Dismantling of lightening arresters of any size.

M & L for lightinening arresters distribution class outdoor use non linear type suitable for HT 11 KV with all fittings, transmission class discharge capacity 5 KA rated voltage 12 KV high current impulse withstand 65 kA complete all as specified and directed by Engr-in-charge

Taking down GOD alongwith dropout fuse assembly of any capacity all as directed by Engr-in-charge

M & L for gang operated device( GOD) HT 11 KV outdoor type suitable for vertical mounting fixed type complete with 12 insulators and frame with operating mechanism (including GI pipe medium grade 25mm dia pipe,necessary supports) worked from ground level complete with locking arrangements including pad locks with key of rating 200Amps all as specified and directed.( Make Jayashree/Jayapuria/BHEL/GODREJ)

Repairs to air break gang operated switches / vertical / horizontal mounted 200Amps/400 Amps including operating mechanism for replacement of broken / worn out components for moving contacts blades, fixed contact jaw, copper braided tape, MS supports, back connected plates, jumper carriers. Note : Spare / components shall be measured and paid separately under relevent item 34 to 39 and Fixing charges for labour shall deemed to be included in unit rate quoted.

Supply only Moving contacts blades

Supply only Fixed contact jaw

Supply only copper braided tape

Supply only MS supports

Supply only Back connected plates

Supply only Jumper carriers

M&L for expulsion fuse unit assembly, out door type,single pole 200 Amps capacity including fuse element 25 Amps to 50 Amps and insulator conforming to IS specifications suitable for HT 11KV all as specified and directed.

M&L for jumper connections between GOD and drop out fuses and transformers with ACSR conductor 6/1X3.35 mm (rabbit) not exe. 2 mtr long including necessary lugs where ever required /aluminum heavy duty PG clamps / binding properly without any loose contact all as directed after removing the old jumpers including PVC sleeve not more than 1.70 Rm all as specified and as directed.

All as per item No. 41 above length exceeding 2 mtr but not exe. 3.5 mtr long including PVC sleeve not more than 3.2 Rm

Material and labour for repair and maint of HT 11KV Six/Eight pole structure by repalcing galvanized PG clamps,GI bolts and nuts,pieces of ACSR conductor with insulation of any size as jumpers including lubricating the moving pars of AB switch and cleaning of all disc/pin insulators and applying silicon compound for prevention of arcing due to dust/salt deposits over the surfaces including applying one coat of red oxide primer on rusted portions after preparation of surfaces & applying a coat of aluminium paint to the entire steel structure complete all as specified and directed. Note :- (i) The rate quoted to be included the rate of PG Clamps, Sleeve for jumpers,GI nuts and bolts etc (ii) The rate quoted deemed to be included the rate of lubrication of moving parts, silicon compound for prevention of arcing (iii) The rate deemed to be included the rate of two coats of aluminium painting of all pole of the structure

All as per item No. 43 above but HT 11KV four pole structure

All as per item No. 43 above but HT 11KV two/three pole structure

Supply only LED Indication Lamps 24 V DC/AC Neon type

Supply only digital voltmeter : 0-15KV/660 V/AC of required size all as specified and directed .Make : Recom /AE/MECO

Supply only digital Ammeter Make : MECO, Range : 0 - 50 Amps, CT Ratio : 40-20/5/5A,100-50/5- 5A ,150-100/5/5A of required size all as specified and directed

Supply only closing coil assembly suitable for existing VCB of make(Areva) 110V,DC for HT 11 KV VCB,400/630 Amps all as specified & directed

Supply only Auxilary switch 4NO+4 NC suitable for existing HT ,11KV, VCB 400Amps/630 Amps/800Amps of make ;Crompton/ ABB all as directed.

Supply only TNC switch suitable for existing 11KV VCB 400AMps/630 Amps/800Amps all as directed.

Supply only tripping coil assembly DC for HT 11KV VCB 400AMps/630 Amps/800Amps of make Areva all as specified and as directed.

M & L for repair and servicing of battery bank which is located inside the man receiving station battery leads and battery terminals and testing the terminals complete all as specifed and directed. Note:(i) The rate deemed to be the included the rate of pouring of electrolyte to the batteries, replacing of battery leads and any other minor spares as required for proper functioning of DC power pack.

Earthing complete with galvanised steel earth plate electrode 600×600× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised iron strip 32x6 mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion

M & L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthling etc as required 32X6mm GI Strip all as specified and directed.

M&L for laying of stone aggregate of size not exceeding 40 mm deposited spread and leveled in layers not exceeding 15 cm upto fencing of a true surface of broken stones for transformer and 1.5 mtr from pole structure area and 1 mtr to junction box outer surface all as specified and directed

M & L for laying of synthetic insulating mat infront of HT11 KV installations of size 2Mx1Mx2.5mm all as specified and directed.

M & L for PCC 1:4:8 type D2,40mm graded aggregate ffor foundation of poles etc.. All as specified and as directed.

M & L for PCC 1:3:6 type C1,20mm graded aggregate for coping of poles etc. All as specified and as directed.

Taking down of existing damged steel/PCC pole with taking down all clamps/brackets/disc/overhead etc and breaking the foundation complete all as directed

Supply and errect Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP-55 (11 metres long) on specified location complete all as specified and directed.

M&L for Stay assy using 20mm dia rod & 300mm x 300mm x 6mm plate size complete with accessories as shown in electrical plate No 1 including dismentling taking out unsv one from Pole loop type insulators, clamps, excavation, PCC measured including complete all as specified and directed

M & L for topping up/replacement of transformer oil with new transformer oil suitable for working voltage 11000 volts grade including necessary dehydration to achieve dielectric strength min 62 KV at 2.5 mm gap complete all as specified and directed. Note :- (a) New transformer oil to be bought in company sealed ISI marked container with test certificate.

M & L for replacement of silicagel grains in the breather assembly of transformer complete all as specified and directed.

M & L for replacement of breather assembly made with polycarbonate base and clear acylic glass of size min 50mm dia, min 120 mm long or suitable size as per site requirement for transformer complete all as specified and directed.

M & L for replacement of transformer temperature gauge dial type having temp range 0 to minimum 120 degree celcius complete all as specified and directed.

M&L for openning of top cover at situ or at wksp by unscrewing all nuts, bolts & washers, draining out transformer oil upto required level and keeping in clean container for replacement of HT/LT bushings, for lifting of core assy, for cleanning/repair and refixing complete with new cork sheet gasket, existing/new nuts, bolts & washers for transformer indoor/outdoor type, refilling of oil all as specified and directed for transformer capacity upto100 KVA to 200 KVA, 11/0.433 KV volts grade.. (Note:- HT/LT bushings, Studs, Brass stud, Nuts, bolts & washers required shall be measured and paid separately under relevant items of the schedule)

All as per items No-70 here-in-before but for transformer capacity 250-400 KVA.

M&L for replacement of transformer porcelain bushing outdoor/indoor type in situ/wksp suitable for 11 KV grade complete with brass studs, rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 100 KVA to 200 KVA, 11/0.415 KV transformer complete all as specified and directed.

All as per items No-72 here-in-before but for transformer capacity 250-400 KVA.

M&L for replacement of transformer LT porcelain bushing indoor/outdoor type in situ/wksp suitable for 1100 volts grade complete with rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 100 KVA, to 200 KVA 11/0.433 KV transformer complete all as specified and directed. Note:(i) Brass Stud shall be measured and paid separately under relavant item

All as per item No-74 here-in-before but for transformer capacity 250-400 KVA,

M&L for replacement of brass stud suitable for LT 1100 volts grade with con & rubber washer, double Brass nuts & brass washer at both end of stud for Tfr cap 100 KVA to 200 KVA.

All as per item Ser No-76 here-in-before but for transformer capacity 250-400 KVA

Taking out manually defective transformer of capacity 100 KVA to 200 KVA from its position by dismantling LT/HT cables, earthing and earthing strip upto road n. exc 1 KM and transportation by vehicle to workshop n. exc 30 KM and reinstallation at original position after repair or Shiting of transformer from present location to original location including connection of all HT/LT cabes, earthing and earthing strip and testing all as specified and directed. (Note: a) Rate deemed to included for disconnecting and reconnecting of necessary HT/LT cable/ACSR, earthing connection before and after installation)

All as per items No-78 here-in-before but for transformer capacity 250 to 315 KVA.

M & L for lifting the transformer core carefully after dismantling terminal connections from core to HT/LT bushings, tap changer assy, drainout all oil and keeping in clean container and keeping the heating chamber for necessary value of insulation resistance, dismantling defective HT & LT coils from core for rewinding, and reassembling complete with HT/LT coils to core, required necessary numax paper insulation, insulating press board, precompressed board size of 6mm/3mm/1.5mm/1mm, varnishing, heating to achive insulation level not less than 1000 megaohms at both HT & LT side, core at transformer chamber, tap changer assy, terminal connection, top cover with new cork sheet gusket, required existing/new nuts, bolts & washers, filling transformer oil, testing after repair complete all as specified and directed for the 100 to 200 KVA, 11/0.415 KV transformer. Note:- (i) Opening of top cover, Rewinding of HT/LT coils, transformer oil, nuts, bolts & washers, HT/LT busings, required shall be measured and paid separately under relavant items of the schedule. (ii) Test result shall be kept in record duly signed by all concerned (iii) Testing record will be prepared by contractor.

All as per items No-80 here-in-before but for transformer capacity 250-315 KVA.

M&L for rewinding of HT coils suitable for 11000 volts grade with new DPC/super enamelled copper wire having Class-F insulation as per existing size and turns for capacity of transformer 100 to 400KVA KVA

M&L for rewinding of LT coils suitable for 1100 volts grade with new DPC /super enamelled copper strip having Class-F insulation as per existing size and turns for capacity of transformer 100 to 315 KVA

M&L for replacement of Tap changer assy having 7 position of transformer including dismantling and taking out old unserviceable one and dismantling all winding terminal connections and reconnecting after replecement complete upto transformer cap 400 KVA 11/0.433 KV.

M&L for painting of transformer outer surface installed at various electric sub station/ pump housed, in situ/wksp with one coat of synthetic enamel paint using sprayer for transformer capacity 100 to 200 KVA after preparation of old painted surface including writing M/C No. (Note : (i) During process of painting, transformer will be under shut down for the period and the rate deemed to be included for running the sprayer machine with own arrangement by contractor. (ii) After completion of painting HT/LT outdoor bushing, cable termination joint, Oil inspection glass and name plates to be made clean using volatile cleanner)

All as per items No-85 here-in-before but for transformer capacity 250-315 KVA.

S&F in repair HT lightening arrester expulsion type with all fittings discharging capacity 65 KA 11000 volts grade complete all as directed. Make :- Alstom/Oblum/Crompton Greaves.

Cutting / trimmimg tree branches of any girth and any size touching / about to touch the over head lines and clearing the distance of 1.5 m length of both side of OH line complete including necessary T&P complete all as directed. Note: all safetry protocols to be followed strictly during the work including shutdown

Supply only pin type insulator polymer type including one galvanized mild steel spindle, two galvanized iron washer and one galvanized iron nut 150 mm height, 150 dia for 33000 volts grade complete all as directed. Make:JAIPURIA BROS/PACTIL/BHEL/JAYASHREE BARODA/ WS INDUSTRIES

Supply only disc type insulator 90 Kn, Polymer 145 mm height and 255 mm dia ball and socket type white brown or green complete assembly for tension with tension clamps for conductors working pressure 33000 Volts complete all as directed. Make: JAIPURIA BROS/PACTIL/BHEL/JAYASREE BARODA

Supply only post type insulator, Polymer assembly for tension with tension clamps for conductors working pressure 33000 Volts complete all as directed. Make: JAYASHREE BARODA/RR/RASTRIYA/ABI

Supply and fixing horizontal isolator double break tripple pole mechanically operated HT 33 KV 50 cycle AC suitable for current rating upto 400 amps mounted on insulators and frame with operating mechanism worked from ground level with and including locking arrangement conforming to IS complete all as directed. Make :- JAYASHREE BARODA/RR/RASTRIYA/ABI

M & L for lightinening arresters station class outdoor use suitable for HT 33 KV with all fittings, discharge capacity 10 KA, rated voltage 42 KV high current impulse withstand 100 kA complete all as specified and directed by Engr-in-charge Make :- Alstom/Oblum/Crompton Greaves/Rastriya/Raychem/ABI

M & L for laying of synthetic insulating mat infront of HT 33KV installations of size 2Mx1Mx3mm all as specified and directed.

Material and labour for servicing of HT 33/11 KV structure by repalcing worn out/ broken galvanized PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation of any size as jumpers including lubricating the moving/rotating parts of GOD operating machanisum and cleaning of all disc/pin insulators and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including applying one coat of red oxide primer on rusted portions after preparation of surfaces & applying a coat of aluminium paint to the entire steel structure complete all as specified and directed. Note :- (i) The rate quoted to be included the rate of PG Clamps, Sleeve for jumpers,GI nuts and bolts etc (ii) The rate quoted deemed to be included the rate of lubrication of moving parts, silicon compound for prevention of arcing (iii) The rate deemed to be included the rate of two coats of aluminium painting of all pole of the structure

Supply and fix Spring charging motor with gear 24 V DC/110 volt DC/230 volt AC suitable for existing VCB's 33 / 11 KV complete all as specified and directed by Engr-in-charge

Supply an fixing in repair of maintenance free battery 12 V 55 AH complete all as specified.

M & L for Preparing old faded painted surfaces of 11m long steel tubular pole complete including all accessories such as cross arms bracings, brackets etc and paints with two coats of Aluminium paint of approved tint including painting with white and blue colour alternatively upto 1.2 M from bottom, writing pole number with paint same as existing earlier and also all as directed

cutting anxious green growth / vegetation growth for cleaning out the area around transfomer installation s by ground level by cutting out roots, unwanted plants bushes and removal of the same by surface excavation not exceeding 30 Cm deep complete all as directed. Note: all safetry protocols to be followed strictly during the work including shutdown

ms singh construction (BID ID -3447732)

M/s Dhani Enterprise (BID ID -3446810)

M/S. SUBHAS CONSTRUCTION CO. (BID ID -3446896)

PURBANCHAL BUILDERS (BID ID -3445578)

M/s PRABIR ENTERPRISE (BID ID -3446195)

ASSOCIATED BUILDCON LLP (BID ID -3447104)

Purbanchal Construction Co (BID ID -3446314)