81234/E8 REPAIR/ MAINT/ SERVICING OF HT CABLES/ LINE AND CONTROL SYSTEM AND OTHER CONNECTED WORKS UNDER GE HADDO, SRI VIJAYA PURAM

M&L for highly HT insulating opaque red coloured ANTI TRACK COMPOUND SPRAY 320 of MOSIL LUBICANTS that forms flexible chemical resistant coating to class H winding for electrical apparatus, in 500 ml spray bottles to protect HT equipments, bus bar, CTs, PTs from current leakage due to moisture complete all as specified and directed.

S&F in repair glow sign board box type printed on poly carbonated sheet of size 200 x 100 x 25 cm having provision of 3 x LED tube light inside the box and 10 mtrs 3 core 1.5 sqmm circular PVC connecting wire with hanging arrangment complete all as specified and directed. Note :- Background, font size & colour and material to be printed on board shall be as per direction of Engr-in-Charge.

M&L for stay assembly complete with all accessories such as stay plate 300X300X6 mm, stay rod 215 cm long and 20mm dia with nuts incl GI bow turn buckle, GI stay strand wire, stay clamp and loop insulator etc complete all as per electrical plate No 1 of SSR part 1 complete all as specified and directed. Note: Excavation, PCC work will be measured and paid separately.

Dismantling of existing unserviceable stay assy any type/size from its stay rod, cutting stay rod (above ground portion ) including stay GI wire, dismantling MS clamps, nuts, bolts, GI stay bow loop insulators etc including GI wire complete all as specified and directed.

M&L for jumper connection not less than 1.5m long between bus system to GOD and GOD to DO fuse unit with jumper with suiatble size of ACSR conductor (not less than 6/1 x 2.56 weasel) including clamps, crimple, PVC slveeeves etc including taking down burnt out jumpers complete all as specifid and directed.

S&F in repairs HT tape roll of 35mm width, 5m length (approx) suitable for 11KV grade complete all as specified and directed.

M&L for repair and servicing of HT 11 KV following pole structure of 11 metre height by replacing galvanized PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation of any size as jumpers including lubricating the moving parts of AB switch and cleaning of all disc /pin insulators and providing PVC sleeves to the down conductor with colour code R, Y & B and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including applying one coat of zinc oxide primer on rusted portions after preparation of surfaces & a coat of aluminum paint to the entire steel structure complete all as specified and directed :- Note:- Rate quoted shall be inclusive of paiting of steel structure, two coats of white wash on exposed concrete surfaces, ACSR conductor for jumpering, GI hard ware like nuts, bolts etc complete

Four pole structure

Two pole structure

M&L for earthing complete with galvanised steel earth plate electrode 600mm X 600mm X 6mm thick buried directly in ground vertically earth pit not less than 2.25 meter deep below normal ground level (with top edge of earth plate not less than 1.5 meter below ground level) connected to GI earth strip of size 32x6 mm as earthing lead by means of bolts, nuts and washers all as shown in electrical plate No 3 of MES Scedule part I (2009) with conected to eath test point including adequate quantity of charcoal dust and comman salt, PCC (1:3:6) type C-1 chamber and for earth pit with 40x40x6mm mild steel angle iron frame for cover. precast RCC cover 40mm thick (1:2:4) type B1 using 20 mm graded stone aggregate reinforced with 8 mm dia round bars both ways with MS handle 8 mm dia. PGI funnel and wire mesh 20 mm dia GI pipe medium grade for watering and 40mm dia medium grade GI pipe as earth lead protection pipe complete all as specified and directed. Note: GI earth strip and protection pipe upto and including 7.5m is deemed included in unit rate quoted by contractor.

S&F GI earth strip of size 32x6mm laid in trench or fixed to wall/ pole with necessary clamps and nuts, bolts etc. including taking out unserviceable earthing strip complete all as specified and directed.

M&L for earthing complete with copper earth plate electrode 600mm X 600mm X 3.15mm buried directly in ground vertically to a depth not less than 2.25 metre below normal ground level (with top edge of earth plate not less than 1.5 metre below ground level) connected to copper earth strip 20 x 3mm, (main earthing lead) by means of copper bolts, nuts and washers all as shown in electrical plate No 3 of MES Schedule Part-I (2009) with connected to earth test point & to main switch board with & including adequate quantity of charcoal dust and common salt alround earth plate and GI pipe 20 mm dia light grade for watering pipe with funnel & wire mesh, GI pipe 32mm dia medium grade for protection of earth lead including necessary earth work and PCC (1: 3 : 6) type C-1 for earth pit and 40 mm thick precast RCC cover in (1:2:4) type B1 with 3 Nos 8 mm dia TMT bars both ways with 8mm dia round bar handle complete all as specified & directed. NOTE:- The cost of earth lead and protection pipe upto and including 7.5 mtr only from the top of earth electrode are deemed to be included under this item.

S&F copper earth strip of size 20x3mm 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 earthing etc. as required, fixed with necessary clamps and brazing/welding with copper conductor etc. including taking out unserviceable strip complete all as specified and directed.

M&L for opening the shutters of VCB 11 KV, 400/630 amps of any make and model, removing the breaker from the existing position after disconnecting all the connections from the system and servicing, overhauling of the same, checking of the same for proper operation, spring charge, ensuring control cables are fastened tightly to the terminals, checking any abnormality with PC, VCB, cleaning the surface of the insulators, fasten the bolts, checking and correcting interrupting units, mechanism, linkages etc, fasten the hardware of control wiring, check that the split pins, circlips, dowel pins etc. have not come out and are intact, lubricate the mechanism of moving parts by Castrol all purpose grease or equivalent, check that the contact erosion is within limit including opening of the shutters properly, replacing of the trip catch, roller, holding catch, stopper, close push button, closing cum reassembling, reconnecting of the breaker for smooth functioning complete all as specified and directed.

M&L for decarbonizing/ cleaning complete HT 11KV, 3 phase independent bus bar, bus bar chamber of HT panel, electrification connection complete, HT VCB switch gear arrangement incoming and outgoing installed in sub-stations after removing the complete bus bar spout, circuit spout from the bus bar chamber, cleaning with CTC and ensure proper decarbonizing, re-fixing the same after applying Becktrol (Red) solution to the spout, checking all the connections, tightening the nuts, bolts, thimbles for incoming and outgoing system complete all as specified and directed.

S&F in repair closing coil assembly 110V DC for VCB complete all as specified and directed.

S&F in reapair tripping coil assembly 110V DC for VCB complete all as specified and directed.

M&L for calibration of the existing IDMT relays/digital microprocessor relay (earth fault realys/ over current relays) fixed on HT 11KV VCB panel, after taking down , setting the relays for the fault levels for primary injection method system as directed by Engineer-in-charge and testing and operation of vacuum circuit breaker after calibration of relays by simulating different types of faults including necessary wiring as required complete all as specified and directed. Notes :- (i) Primary & secondary injection kit shall be arranged by the contractor (ii) DC Supply for relay testing shall arranged by the contractor. (iii) The contractor shall prepare the relay adjustment and tripping timing chart in the follow up fashion and submit to Engineer-in-Charge

S&F in repair earth fault/ over current relay suitable for 11KV VCB including setting the relays for fault levels as directed by Engr-in-Charge and testing the operation of VCB after installation of relays by simulating different types of faults complete all as specified and directed. Note : This work shall be carried out by competent service engineer from Alstom/Andrew yule/Areva/Kirloskar/CG or Eqlnt.

M&L for preperation of old painted steel surface and applying one coat of synthetic enamelled paint of Red/ Black colour (colour as approved by GE) where necessary complete all as specified and directed.

S&F in repair insulating mats 2 mm thick for voltage upto 3.3 KV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of size 2m x 1m, ISI marked complete all as specified and directed.

S&F in repairs space heaters 70W coil element canopy type AC 230V input suitable for HT 11KV VCB panel of any make and capacity, fixed inside the VCB with suitable size of clamps, bolts, nuts including necessary wiring cable connections complete all as specified and directed.

M&L for PCC (1:4:8) type D2, using 40mm graded stone aggregate, as in foundations, filling and mass concrete for pole, walls, underneath 2pole/4pole structure etc complete all as specified and directed.

S&F in repair insulators from 11KV VCB, 3phase as per existing size by disconnecting supply from bus bar & 11KV VCB panels including checking connections of control supply and testing after completion and applying petrolium jelly for all nuts & bolts complete all as specified and directed.

S&F including laying and testing of HT cable XLPE insulated screened PVC badded, galvanised steel strip or wire armoured, electric power cable (heavy duty) 11KV (Earthed) as per IS 7098 (Part-II) with stranded aluminium conductor of following size complete all as specified and directed:- Note:- 1. The earth work, protection pipe shall be measured and paid sepretely. 2. Cable may fixing/ passing through pipe laid in trenches or fixed to pole/ wall or fixed to LT panel etc.

185 Sqmm, 3 core.

120 Sqmm, 3 core.

95 Sqmm, 3 core.

S&F including laying in trenches or in cable ducts, HDPE DWC pipe of size 120mm (OD) x103.5mm (ID) along with connected accessories like couplers, bends, end caps etc. for HT cable protection complete all as specified and directed.

S&F in repair including laying of 100mm bore GI Pipe, medium grade, in road crossings/ obstruction complete all as specified and directed.

Excavating in trenches n'exc 1.5m wide for foundation etc or for cable trenches etc, n'exc 10Sqm on plan and getting out in soft/ loose soil for following depth complete all as specified and directed :-

Depth n'exc 1.5m.

Depth exc 1.5m but n'exc 3.0m

Returning, filling in including spreading, levelling , watering and well ramming in layers not exc 25cm in any type of soil complete all as specified and as as directed by engineer in charge.

Removing excavated materials to a distance not exc. 50m and depositing where directed a

Supplying, fabricating, fixing in position cross arms, bracings, supports, clamps and back plates, fabricated from in structural steel section any type /size /shape incl nuts bolts washers, welding, bending hot or cold, drilling holes for bolts, in any shape or size as required at site, with and including preparation of surface and apply two coats aluminium paint over a coat of red oxide primer complete all as specified and directed.

Dismantling and taking down existing serviceable/ unserviceable / deshaped / worn out MS cross arms including insulator etc. complete all as specified and directed. Note :- Insulator obtained under this will be consider for credit schedule.

t a level n.exc 1.50m above the starting point complete all as specified and directed.

S&F in repair Pin type, composite silicon rubber polymeric type insulator of 150mm height, 150mm dia for 11000 volts grade, 5 kN with ECR glass rod, forged steel top and bottom, silicon rubber housing and weather sheds, including one galvanized mild steel spindle, galvanized iron washer, spring and one galvanized iron nut complete all as specified and directed.

S&F in repair long rod insulator, composite silicon rubber polymeric type 290mm height, 100mm dia for 11000 volts grade, 45 kN with ECR glass rod, forged steel tongue and cleaves, silicon rubber housing and weather sheds complete all as specified and directed.

S&F in repair gang operated air break switch (GOD) HT 11 KV triple pole of 200 Amps rating, out door type suitable for vertical mounting, fixed type for 4 pole/ 2 pole structure complete with 3 Nos silicon rubber polymeric insulator per phase complete all as specified and directed.

S&F in repair single phase silicon rubber polymeric insulator type drop out fuse unit 11 KV, 200 Amps rating for 4 pole/ 2 pole structure complete all as specified and directed.

S&F in repairs including installation, commissioning and testing of lightning arresters expulsion/silicon type as per requirement suitable for 11000 volts complete with all fittings, transmission class, discharge capacity 65 KA complete all as specified and directed.

M&L for PCC (1:2:4) type B1, using 20mm graded stone aggregate, as in coping of pole including use & waste of necessary form work including weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.

S&F in repairs cable jointing kit 11 KV (Earthed) grade cable for outdoor termination (end joint) heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cabe of following size complete all as specfied and directed :-

50 to 95 Sqmm cable

120 to 185 Sqmm cable

S&F in repairs cable jointing kit 11 KV (Earthed) grade cable for indoor termination (end joint) heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cabe of following size complete all as specfied and directed :-

50 to 95 Sqmm cable

120 to 185 Sqmm cable

S&F cable jointing kit 11 KV (Earthed) grade cable for straight through, Cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cabe of following size complete all as specfied and directed :-

50 to 95 Sqmm cable

120 to 185 Sqmm cable

M&L for PCC (1:3:6) type C2, using 40mm graded stone aggregate, as in foundations, filling and mass concrete for pole walls underneath 2pole/4pole structure, feeder pillar boxes etc complete all as specified and directed.

S&F in repairs silver painted danger notice plate of 1.6mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with silver painted MS clamps, bolts and nuts of approved size, for HT 25x20cm size complete all as specified and directed.

Disconnecting and removing old HT UG cables of size 3core 95 to 185 Sqmm at both ends from existing breaker/ structure to isolate the faulty cable by checking with HT Megger and finding the other active cables and re-connecting after making HT UG cable serviceable by checking with HT Megger including making good disturbed surfaces complete all as specified and directed. Note : Cost for excavation, taking down shall be measured and paid separately.

Dismantling and taking down existing serviceable/ unserviceable / deshaped / worn out LT / HT steel tubular / PCC pole of any shape, size & height including demolition of existing PCC foundation with and including MS cross arms, insulator etc complete all as specified and directed. Note :- PCC pole, corss arms and insulator obtained under this will be consider for credit schedule.

S&F including erection of steel tubular swaged poles type 410 SP-55, (11.00 metres long), with cast iron base plate 6mm thick, finial taper plug, bolts, nuts and screws complete as specified with and including two coats of aluminium paint over a coat of red oxide primer on all exposed surfaces and tarring with black bituminous paints to portion embeded in PCC with and including all necessary excavation & earth work in any type of soil for foundation of poles (Pit size 1.2 x 0.6m), PCC (1:3:6) type 'C2' (using 40 mm graded stone aggregate ) in foundations of size 600 X 600 X 1985 mm below GL, PCC (1:2:4) type "B2' (using 20 mm graded stone aggregate) in plinth block (coping) of size 600 X 600 X 300 mm above GL , removing surplus soil to a distance n. exc. 50 m & depositing where directed, and writing numbers of poles in 100 mm dia yellow colour circle with black paint including 30 cm wide alternate black bands (03 Nos) upto 1.5 height from top of coping complete all as specified and directed.

S&F heat shrinkable sleeves suitable for 11KV grade 95 to 240 Sqmm HT UG cable including disconnecting HT UG cable from VCB/ Transformer/ 2pole structure/ 4pole structure and re-connection after completion complete all as specified and directed.

S&F in repair copper fuse wire of any guage/ rating of existing size complete all as specified and directed.

M&L for graded stone aggregate of 63mm size, spread and leveled around 4 pole/ 2 pole structure/ transformer yard etc complete all as specified and directed.

Four pole structure

Two pole structure

M&L for preparation of old painted steel surfaces of following pole structure including brackets, clamps, channels and cross arms by cleaning of oils, lubricants, grease etc complete above PCC coping and applying two coats of aluminium paint on surfaces 1m above PCC coping, applying two coats of synthetic enamel paint in zebra pattern with black & yellow colour combination up to 1m height above PCC coping; writing MES No. of poles (Number size shall be 25mm and lettering shall be 40mm) complete including applying two coats of white wash on exposed concrete surfaces of coping to poles duly preparing the surfaces complete including cleaning/clearing of all tree branches & vegitation 05 meters around the structure complete all as specified and directed :-

M&L for preparation of old decorated surfaces of walls of transformer plinth/ 4 pole or 2pole structure yard by scraping and wire brushing and applying one coat of wheather shield (APEX or equivalent of make as specified) paint complete all as specified and directed.

S&F in repair cable route indicator made of cast iron disc 200mm dia, 12mm thick with inscription casting as HT cable fixed to MS angle of size 40x40x6mm, 600mm long with bolts & nuts, duly grouted in PCC (1:3:6) type C2 of size 15x15x30cm complete including necessary excavation and earth work complete all as specified and directed.

Capacity 2000KVA

M&L for isolating the HT supply of transformer, disconnecting cable connections of transformer by opening clamps, bus bar extension and isolating the cables from transformer, outdoor of 100 to 2000 KVA capacities, checking of transformer pressure release valve, oil condition and carrying out tests such as HV/LV megger test, ratio test, magnetic balance test, short circuit test including opening the inspection cover/top lid after drain out of oil as required to check the lead condition from winding to bus rods including necessary soldering/ jointing, fixing of new sleeves etc and charging of transformer and making all necessary connections / assembly & control circuits complete all as specified and directed.

Capacity 500KVA

M&L for shifting of transformer of following capacity from MES power house to variours substations/ transformer locations at haddo area by road and removing the faulty transformer from the plingth and fixing/errecting of the healthy tansformer with the hydra/crane support, making necessary HT/LT cable connections, earth connections and restoration of power supply all as specified and as directed:-

M&L for cutting bushes, levelling the area around E/M installation such as sub stations, 4/2 pole structure etc including surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out roots, jungles etc throw away not less than 50 mtr from the site and making good c

omplete all as specified and directed.

M&L for cutting and cleaning the tree branches around the HT/ LT poles/ over Head line/ 2pole/ 4pole structure upto 3 mtr from either side of pole/ over head line and clear the site and throw away the branches to a distance not exc 50m complete all as specified and directed.

M&L for writing SM No./ MES No. on plants and machinery/ cope boxe No and feeding location with synthetic enamel paint/ stickering with letters of height 8cm complete all as specified and as directed.

M&L for cutting the existing road surface/ PCC/ foot path (approx 60cm x 50cm) for laying of cables including excavation of trenches, returming filling, removal of soil in any type of soil, including making good for disturbed surfaces with PCC (1:2:4) type B1 using 20mm graded stone aggregate, use & waste of necessary form work including watering complete all as specified and directed.

M&L for Filtration of transformer oil of transformers installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration and submit the same signed by both contractor and Engineer in Charge and kept on record complete all as specified and directed.

Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer/ PSS etc at various locations complete all as directed. Make: Poweroil/ Transol/ Sabitha Chemicals.

S&F hydrogenated nitrile transformer oil seal, with maximum di electric strength duely tightened with bushings complete to avoid leakage from transformer bushings of various transformer installed at variuos locations under Haddo area all as specified and directed .

Supply and spray WD 40 multipurpose cleaning spray of 63.8 gm bottle to spray various nuts bolts, bur bar contacts to stop squeaks, loosening rusted parts, and repelling moisture complete all as specified and directed.

Each bottle