REPAIR AND MAINTENANCE OF 33/11 KV MAIN RECEIVING STATION (MRS) INCLUDING CONNECTED WORKS UNDER GE IMA DEHRADUN

Amount

Material and labour for servicing 33 KV yard structure complete including replacement of unserviceable jumper, sleeves, vice type connnector, nut bolt and washers, connecting lugs/thimble, knife contact, applying petroleum jelly to the moving as well as fixed contacts, tightining all the connection for its smoth functioning preparing old painted surface of this structure such as poles, cross arms, bracing supports, clamp and back plate complete painting of one coat of anti corrosive weather proof heat resistant aluminium paints and providing Red/Yellow and Black paint including writing SM/MES No or all ther direction/Marker/Code etc with grey/Black paint on boards etc not less then 40 mm hight 7 - 10 mm thick all as directed at site by Engineer-in-charge. Note: No extra payment will made for the spares required to keep the yard structure in satisfactory functional state through out contract period other then given in schedule complete all as directed.

Excavation in trenches n. exc. 1.5 mtr wide and n. exc. 1.5 mtr in depth in soft/lose soil for laying cable/taking out under ground cable, GI pipes and bricks laid under cable and getting out in soft/loose soil complete all as directed.

Returning, filling in trenches including spreading, leveling, watering and well ramming in layers n. exc. 25 cm thick in soft/lose soil after cable/pipes are laid and tested complete all as directed.

Removing the excavated soil to a distance n. exc. 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point complete all as directed.

Material and labour for sand cushioning to under ground cables in trench and existing duct at MRS, thick before laying the cable, stretching and testing the cable complete all as directed. Note:- sand will be measured after punning 8 cm.

Material and labour for un-reinforced precast concrete cable cover HV type I, flat size 300 mm X 180 mm X 40 mm as protection to underground cable laid dry and flat adjoining each other complete all as directed.

Supply, laying, jointing and testing cable XLPE insulated screened PVC bedded galvanized steel strip or wire armoured, electric power cables (Heavy duty) 11000 volts grade with stranded aluminum conductor of cross sectional area 3 core 185 sq mm including taking out/down old existing unserviceable cable complete all as specified and directed.

Supply, laying, jointing and testing cable XLPE insulated screened PVC bedded galvanized steel strip or wire armored, electric power cables (Heavy duty) 11000 volts grade with stranded aluminum conductor of cross sectional area 3 core 150 sq mm including taking out/down old existing unserviceable cable complete all as specified and directed.

Supply and fixing of rotating type air break isolating switch horizontal mounting for triple pole, mechanically operated mounted on gang operated devices united on insulator and steel frame with operating mechanism worked from ground level for current rating upto 200 Amps for 33000 volts complete all as directed.

Supply and fixing of switches air break, gang operated triple pole with dropout fuse set 12 insulator, mechanically operated, mounted insulator and steel frame with operating mechanism worked from ground level for current rating upto 400 Amps 11000 volts complete including dismantling and taking down existing unserviceable GOD of any description complete all as specified and directed.

M&L for filtration/dehydration of transformer oil through filtration plant to improve the dielectric strength/insulation value of the transformer oil upto 50KV at 2.5mm gap complete all as specified and directed.

Note : (a) The contractor will take shut down orders in working before commencement of the work from Engineer-in-charge/JE (E/M). (b) The contractor shall ensure no wastage at transformer oil. (c) The contractor is solely responsible for any damage to the transformer/HT OCB during filtration operations. He is responsible for making good any damage to the transformer/HTOCB at his own cost without any extra cost to the department. (d) The contractor shall ensure that the conservator tanks are full to its level before starting the dehydration. (e) Contractor will be fully responsible for shift the load of existing transformer to standby transformer before taking down for repair.

Supply and fix disc type insulator porcelain vitreous 145 mm height and 255 mm dia ball and socket type white brown or green with tension clamp for conductor working pressure 11000 volts complete all as specified and directed. Make: Jaipuria/Rashtriya/Pactil

Supply and fix post insulator 22KV each in double stake, working pressure 33000 Volts grade suitable for 33KV Yard including nuts and bolts etc complete all as directed. Make: Jaipuria/Rashtriya/ Pactil

Supply, filling and topping up transformer Oil in power transformer at MRS. Note: (i) The transformer oil shall be type EHV confirming to IS 3357 of 1983.(ii) Mineral oil grade 'B' shall be used.(iii) The transformer oil should have a high dielectric strength not less than 60KV. (iv) Oil should be brought 209 ltrs sealed container) make. Poweroil/Sabita/ ITE/Servo

Material and labour for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jonting material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sq mm complete all as directed.

Material and labour for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jonting material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sq mm complete all as directed.

Material and labour for cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jonting material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sq mm complete all as directed.

Material and labour for cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jonting material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sq mm complete all as directed.

Material and labour for cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jonting material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sq mm complete all as directed.

Material and labour for cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jonting material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sq mm complete all as directed.

Supply and fix Danger notice plate of 1.6mm Thick mild steel sheet, vitreous enamelled white, with letters, figures and conventionals skull and bones in dignal red colour of 33 KV and fixed with MS clamp FI 25x3 mm, botls and nuts of approved size for HT 25x20 cm size.

Taking out/down unserviceable HT under ground cable of size 95 to 120 sq mm of any description from trenches for fixing straight through/end joint of any description and relaying/taking up the same complete all as directed. Note: Excavation, sand cushioning and bricks shall be measured and paid separately under respective items of schedule 'A'.

Taking out/down unserviceable HT under ground cable of size 150 to 185 sq mm of any description from trenches for fixing straight through/end joint of any description and relaying/taking up the same complete all as directed. Note: Excavation, sand cushioning and bricks shall be measured and paid separately under respective items of schedule 'A'.

Supply and fixing LT control copper conductor PVC insulated and PVC sheathed round multicore cable 1100 volts grade including dismantling of existing cable of following cross sectional area sizes complete all as specified and directed.

Size of cable 2.5 Sq mm 2 Core

Size of cable 2.5 Sq mm 4 Core

Size of Cable 2.5 Sq mm 8 Core

Disconnecting & taking out non functional HT VCB 11 KV 3 phase 1250 Amp 12 KA of any make installed at MRS IMA Dehradun, dismantling/opening of the VCB for servicing/ overhauling, taking out and removing unserviceable/defective parts including cleaning & servicing, greasing, oiling of the parts etc and replacement of unserviceable parts with new one, reassembling the VCB after overhauling/servicing and its testing on full load complete all as specified and directed. Note: (i) The quoted rates includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. The new replaced parts shall be measured and paid for separately under appropriate item of BOQ as ‘supply only’. (ii) The rates quoted by the contractor shall also include the cost of replacement of worn out nuts, bolts, gaskets, A-grade greasing and oiling of moving parts and refixing the same.

Supply only following spare parts for HT VCB 11KV 3 phase 1250 Amp 12 KA of make ABB, conforming to the respective cat part given as under:- Note: (i) Fixing & testing element of following item is deemed to be included under BOQ item No 29 above. (ii) Quantity of under mentioned items is tentative and contractor shall have no claim on account of variation of quantity or non execution of any of the item & complete all as specified and directed.

Vacuum interrupter 11 KV

Shunt closing coil 110 V DC

Shunt opening coil 110 V DC

Spring charging geared motor for 220 V 50 Hz AC

ENBLOC polycarbonate

Insulating cover central

Insulating cover side

Tulip contact assembly 8 finger

Auxillary switch 2NO 3NC silvered

Auxillary switch 3NO 2NC silvered

Unigear 64 pin plug

Common truck 12.12.40 (P210) common truck assembly

Coil support(EL)(1VCF339799R0271)

Relay of HT VCB 11 KV 1250 Amp for incomer/outgoing VCB having protection of over current trip, earth fault trip, cable arc trip, breaker arc trip, bus bar arc trip, phase unbalancec trip, U/V trip, O/V trip, Res O/V trip, TOL trip and TCS unhealthy complete all as directed. Make: ABB Model; REF 615 or equivalent in L&T/Siemens.

Testing and calibration of 33 KV VCB outdoor type along with indoor control panel and control wiring, protection system and relays by primary and secondary injection system, battery bank/battery charges/DC system complete all as specified and dircted. (Note- Test report duly signed by the testing agency and shall be submitted to the office in booklet form duly sprial binding.)

Testing and clibration of 11 KV VCB indoor type along with control panel and control wiring, protection system and re;ays by primary and secondary injection system installed at 33 KV MRS complete all as specified and directed.(Note- Note- Test report duly signed by the testing agency and shall be submitted to the office in booklet form duly sprial binding.)

Testing and calibratiion of 33/11 KV, 3.15 MVA outdoor type transformer and control panel -1 No indoor type along with control wiring, protection system complete all as specified and directed.(Note- Note- Test report duly signed by the testing agency and shall be submitted to the office in booklet form duly sprial binding.))

Testing and calibratiion of 33/11 KV, 2 MVA outdoor type transformer and control panel -1 No indoor type along with control wiring, protection system complete all as specified and directed.(Note- Note- Test report duly signed by the testing agency and shall be submitted to the office in booklet form duly sprial binding.

Dismantling and taking out existing unserviceable current transformer of any description and in any position and Supply, installation, commissioning and testing of indoor epoxy type 11 KV Transformer having ratio 200/100/5+ 5 Amps having protection core class IP10, burden of 15 VA and breaking cap of 18.4 KA for 1.0 second complete all as directed.

Dismantling and taking out existing unserviceable current transformer of any description and in any position and Supply, installation, commissioning and testing of indoor epoxy type 11 KV Transformer having ratio 100/50/5+ 5 Amps having protection core class IP10, burden of 15 VA and breaking cap of 18.4 KA for 1.0 second complete all as directed.

Disconnecting and taking out existing unserviceable lighting arrestor any description and in any position and supply and fix new lightening arrester expulsion type confirming to IS No 3070 part I complete with all fittings, transmission class discharge capacity 65 KA suitable for 33 KV including making connections complete all as specified and directed.

Disconnecting and taking out existing unserviceable lighting arrestor any description and in any position and supply and fix new lightening arrester expulsion type confirming to IS No 3070 part I complete with all fittings, transmission class discharge capacity 65 KA suitable for 11 KV including making connections complete all as specified and directed.

Supply and fixing digital Volt meter 11 KV, 3 phase range of accuracy 0.5 complete all as specified and directed.

Supply and fixing digital Amper meter 11 KV 3 phase range of accuracy 0.5 complete all as specified and directed.

Supply and fixing digital LED Pilot lights 110 Volts DC Red /Green/Yellow/Blue complete all as specified and directed.

Supply and fixing digital HRC Fuse with base 2/5/10 Amp complete all as specified and directed.

Repair to HT VCB 33 KV 1250 Amp 25 KA out door of make Crompton Greaves and ABB installed at MRS IMA Dehradun, dismantling/opening of the VCB for servicing/overhauling, taking out and removing unserviceable/defective parts including cleaning & servicing, greasing, oiling of the parts etc and replacement of unserviceable parts with new one, reassembling the VCB after overhauling/servicing and its testing on full load complete all as specified and directed. Note: (i) The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. (ii) The new replaced parts shall be measured and paid for separately under appropriate item of BOQ as ‘supply only’. (iii) The rates quoted by the contractor shall also include the cost of replacement of worn out nuts, bolts, gaskets, A-grade greasing and oiling of moving parts and refixing the same.

Supply only following spare parts for HT VCB 33 KV 3 phase 1250 Amp 25 KA of make ABB, conforming to the respective cat part given as under::- Note :- (i) Fixing & testing element of following item is deemed to be included under BOQ item No 59 above. (ii) Quantity of under mentioned items is tentative and contractor shall have no claim on account of variation of quantity or non execution of any of the item.

Vacuum interrupter 33 KV

Spring charging geared motor 33 KV

Closing coil assembly 33 KV

Opening coil assembly 33 KV

Dismantling and taking out existing unserviceable current transformer of any description and in any position and Supply, installation , commissioning and testing of outdoor type 33 KV Current Transformer having ratio 50/25/5+5 Amps having protection core class IP10, burden of 15 VA and breaking cap of 18.4 KA for 1.0 second complete all as directed.

Dismantling and taking out existing unserviceable potential transformer of any description and in any position and Supply, installation, commissioning and testing of 33 KV polycrete outdoor inductive voltage transformer having voltage 33000/root3 winding-I 110/root3 burden 50 accuracy class 0.5 and winding - II 110/root3 burden 50 accuracy class 3 P voltage factor 1.2 cont/1.5-30 Sec insulation leavel 70/170 kv creepage distance 900 mm complete all as directed.

M&L for graded course aggregate of 20/40 mm grade nominal size without any vegitation or chemical including levelling /spreading surrounding HT/LT 2/4 pole structure LT/HT panel all as specified directed .

Earthing complete for machinery equipment installed at power house/sub station withusing copper plate 60×60cm ×3.15mm thick electrode thick burried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) vertically, with top edge of plate not less than 1.5 metre below normal ground level connected to 20×3mm copper strip as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron and protected with 40mm dia light grade GI pipe all as shown in electrical plate No 3 of MES Schedule Part-I connecting to earthing test point & to main switch board and testing on completion with and including necessary excavation and earth work in any type soil, earth lead connected to earth test point & to main switch board etc with & including adequate quantity of charcoal dust and common salt, test point, PCC (1:3:6) type C-1 (using 20mm graded crushed stone aggregate) for earth pit with 40 x 40 x 6mm mild steel angle iron frame for cover, internal surface of concrete shall be given 10mm thick plaster in CM 1:4, pre cast RCC (1:2:4) type B-1 (using 20mm graded crushed stone aggregate) 40mm thick cover, reinforced with 8mm dia deformed or TMT bars 3 Nos both way with 12mm dia round bar handle, GI medium grade watering pipe 20 mm dia with funnel and wire mesh and 40mm dia GI light grade earth lead protection pipe etc complete all as specified and directed.

Material & Labour for Earth continuity conductor or main earthing lead copper strip 20x3mm, laid in pipe/fixed on walls or any other position including jointing by tinned copper nuts, copper bolts and washers in addition to brazing at every joint complete including disconnecting & taking up or down existing unserviceable / deshaped, GI earth strip or taking down conductors of any size and in any position, including making good the disturb surfaces to match with the existing surfaces complete all as specified & directed.

Material and labour for cutting, removing the vegetation growth and surface dressing all around the installation yard/transformer/LT panel Board areas external only to keep always installation clean and tidy. Note: All the installation yards/area shall be kept clean throught contract period by repeatedly by remaining the grass/shrubs as many time reqd depending on the growth of grass measurement will be measured.(1500 sqm area will be measured after three months after commencement of work and remaining 1500 sqm area will be measured after completion of work.)

Material and labour for painting of Chequred plate surface of diferent size, over 10cm in width and removing existing old paint with the help of sand/emery paper etc. Preparing both surfaces (externally and internallly). Applying both side one coat synthetic black enamel paint over a coat of redoxide primer,complete all as directed.

Servicing and repairing works of 33/11 kv Power Transformer,OLTC, after opening the Top and bottom cover, cleaning the all carbon particles from contacts and chamber, checking and tightening the terminals connection alongwith fix and moving contacts, replacement of fix and moving contact if found damaged complete all as directed.

Material and labour for steel tubular swaged pole 12 mtr long with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP 64 including painting with anti corrosive paint internally complete and externally complete with two coat of synthetic enamel aluminium paint over a coat of red oxide primer and preparation of surface including marking of pole Nos with black paint complete all as specified and as directed. (Location : P/House 3, KV school,Section Hospital,Ca Shed,Th bn)

Material and labour for fixing of Medium Channel (MC) 75, cross arms, bracings, supports, clamps and back plates fabricated from steel section including nuts, bolts, washers, welding bending cold or hot drilling holes for bolts in any shape ors size as indicated or directed and inclusive of oneprimer coat, one under coat and one finishing coat of alumn paint complete all as specified and directed.

Material and labour for plain cement concrete 1:4:8 type D2 using 40 mm graded stone aggregate for foundation filling of poles as mass concrete complete all as specified and directed.

Material and labour for PCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregate as in coping of poles/stays etc complete all as specified and directed.

M&L for steel rope 10-12mm multi stranded suitable for OH lighting protection fix/tighten on steel tubular pole 12 meter height with the help of MS clamp 50x6mm including suitable size of nuts and bolts etc

S&F electrical insulation rubber mat – 33/11 KV / Class C (1 Mtr x 2 Mtr, 3mm Thickness) Blue Color, low temperature resistant, low leakage current and it also has flame retardant properties,anti – skid/shock proof/ISI Certified complete all as specified & directed.

Supply only Hydraulic Crimping Tool With Hand Pump Hexagonal type, die H-25 to H-400 (11 Sets), crimping range 25 - 400 square mm,Maximum Strokes 24 mm, Operation Mode manual,Operating Pressure 700 Kg/square cm complete all as specified & directed.

Supply only Discharge Rod ( Earth Rod) FRP Telescopic - 33KV - With 10Sqmm - 10mtrs Cable,Assemble Length 15 feet,Total Section 03 Section,Top Section Dia 32 mm,Bottom Section Dia 45 mm,Earthing Die cast Alu.,Earthing Instrument 50 mm dia conductor,Canvas cover,Rubber grip complete all as specified & directed.

Balraj and Co (BID ID -3390627)

Meher enterprises (BID ID -3391460)

JS CONSTRUCTION COMPANY (BID ID -3398582)