REPAIRS TO HT EXTERNAL ELECTRIC INSTALLATIONS INCLUDING REPAIRS TO OH UG ELECTRIC SUPPLY LINE HT UG CABLE AND OTHER ALLIED SERVICES UNDER GE NARANGI

Amount

M&L in repair for Filtration and dehydration of transformer oil of distribution transformers indoor/outdoor type of 11/0.433 KV, 63 kVA to 500 kVA and Power transformer of 33/11 kV, 2.5 MVA minimum three cycle to achieve di electric strength of 40 kV for 1 minute at 2.5 mm gap as per relevant IS with portable filtration plant, testing of the oil break down voltage before filtration and after filtration complete all as specified an directed by Engr in charge. Note : (i) Centrifuging Machine with all T&P & testing machine of oil required for dehydration is arrange by contractor. (ii) Oil required for topping up the transformer will be measured & paid separately.

Supply , replacement and topping up transformer oil HV grade as per IS 335 of 1993 Part II having dielectric strength of not less than 40 KV in the transformer at various locations complete all as specified an directed by Engr in charge.

Dismantling of overhead line insulators and removal of old unserviceable pole for reconnecting on new poles all as directed by engineer in charge all as directed

Supply, fixing and erection of steel tubular swaged poles complete with MS base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 ( 11 Metre long) as per relevant IS specification including two coats of aluminium paint over a coat of red oxide primer and including making alternate red and black strips 30 cm height ( total 5 Nos) complete all as specified and directed.

Material & labour cement concrete 1:4:8 type D-2 using 40 mm graded crushed stone aggregate as in foundation complete all as specified and directed by Engineer- in-charge.

M&L for PCC 1: 3 : 6 type C-1 using 20 mm graded crushed stone aggregate as in mass concrete including necessary form work for coping to the new Steel Poles complete all as specified and directed.

Taking down unserviceable/old ACSR conductor any size from over head lines, poles by removing binding wire and removal from site complete all as specified and directed.

Supply and fixing Aluminium conductor steel reinforced (ACSR) of any size for HT/LT OH lines on poles including stringing ,binding with aluminium wire 14 SWG or aluminium tape including jumpers complete all as specified and directed by Engr In charge.

Dismantling insulator any type/any size from HT poles complete all as directed.

Supply and fixing pin type insulator, HT porcelain vitreous white, brown or green of size 150 mm high and 150 mm dia, ISI marked including one galvanised steel spindle, two galvanised iron washers and one galvanised iron nut suitable for 11000 volts complete all as specified and directed.

Supply and fixing disc type insulator single disc assembly working pressure 11000 volts, porcelain vitreous white, brown, or green size 145 mm high and 255 mm dia ball and socket with tension clamp to suit the size of conductor (ACSR) complete all as specified and directed.

Supply and fixing of post insulator 11000 volts suitable for air break switch/drop out fuse with necessary nuts, bolts, washers complete all as specified & directed.

Supply and fixing pin type insulator, HT porcelain vitreous white, brown or green of size 210 mm high and 280 mm dia, ISI marked including one galvanised steel spindle, two galvanised iron washers and one galvanised iron nut suitable for 33000 volts complete all as specified and directed.

Supply and fixing of post insulator 33000 volts suitable for air break switch/drop out fuse with necessary nuts, bolts, washers complete all as specified & directed.

M&L for taking out old unserviceable defective HV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 kV and 63 KVA to 500 kVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified an directed by Engr in charge.

M&L for taking out old unserviceable defective LV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 kV and 63 KVA to 160 kVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified an directed by Engr in charge.

M&L for taking out old unserviceable defective LV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 kV and 200 KVA to 500 kVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified an directed by Engr in charge.

Supply and fix in repairs brass terminal stud, both end threaded complete with double nuts & washers including distance piece both sides and heat resistance gasket suitable for HV side 11000 volts grade for 63 KVA to 750 KVA capacity of outdoor/indoor type transformer complete all as specified an directed by Engr in charge.

Supply and fix in repairs brass terminal stud both end threaded complete with double nuts & washers including distance piece both sides and heat resistance gasket suitable for LV side 415 volts grade for 63 KVA to 160 KVA capacity of outdoor/indoor type transformer complete all as specified an directed by Engr in charge.

Supply and fix in repairs brass terminal stud both end threaded complete with double nuts & washers including distance piece both sides and heat resistance gasket suitable for LV side 415 volts grade for 200 KVA to 500 KVA capacity of outdoor/indoor type transformer.

M & L Painting of transformer on site after preparation of old painted surfaces of capacity 50 KVA to 160 KVA including removing oily and greasy spots and applying two coats of synthetic enamel paint complete all as specified and directed.

All as per item No 21 here in before but transformer of capacity 200kVA to 500 kVA complete all as specified and directed.

M&L for servicing/overhauling , Calibration and decarbonising of 11 kV (panel with breaker + Relay ) and setting of Relay parameters VCB of capacity 630 Amps, indoor type , taking shut down from MRS and disconnecting incoming & out going cables , control cables from VCB and replacement of un-serviceable spares, greasing of revolving assembly in VCB chamber, spring charging mechanism including decarbonising the VCB panel and check serviceability all as specified and directed by Engr -in - charge. Note: - (i) : Spare parts/components required for replacement of above shall be measured and paid separately. (ii) Unit rate quoted against this item shall also include labour required for fixing of replaced items. (iii) For item No. 24 to 42 fixing charge of items are considered in item No. 23.

Supply only Feeder protection numerical relay with features of earth fault, phase fault, Over current and fault recording Facility complete all as specified and directed. Make ABB model REJ 601

Supply only Isolating contact 800A set of 12 Complete all as specified and as directed. Make - Schneider

Supply only Vacuum Interrupter VG2 Complete all as specified and as directed. Make - Areva

Supply only Closing coil 110VDC Complete all as specified and as directed. Make - Areva

Supply only Tripping Coil 110DC Complete all as specified and as directed. Make - Areva

Supply only Master trip relay all as specified and directed.

Supply only digital VAF,PF meter with RS 485 port of accuracy Cl 0.5 including electrical connection all as specified and directed. Make: Schneider Conserve Model No. DM6300 and equivalent.

Supply only breaker control switches (Trip-neutral-close) of rating 25 A VCB Panel Complete all as specified and as directed.

Supply only Indicator lamp 110V DC/240 V AC of colour : green/yellow/red/white/Amber/Blue Complete all as specified and as directed

Supply only Breaker auxiliary switch 6 NO +6NC Complete all as specified and as directed.

Supply only Closing coil box assembly Complete all as specified and as directed.

Supply only Trip coil box Assembly Complete all as specified and as directed.

Supply only Auxiliary switch Drive Assembly Complete all as specified and as directed.

Supply only Charging paw Complete all as specified and as directed.

Supply only limit switch 4 terminal 10 Amps all as specified and as directed.

Supply only Fix R Phase Bus Bar Spout Complete all as specified and as directed.

Supply only Y Phase Bus Bar Spout Complete all as specified and as directed.

Supply only Fix B Phase Bus Bar Spout Complete all as specified and as directed.

Supply only Fix Circuit Spout Complete all as specified and as directed.

Supply and spray Moisture absorbing spray WD-40 on electric terminals of VCB Breaker and panel and allied equipment all as specified and directed.

M& L for Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm all as specified and directed including taking down unsv one.

M& L for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm all as specified and directed including taking down unsv one.

M& L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm all as specified and directed including taking down unsv one.

M&L for detecting of fault in 11KV (E) HT cable of any size(within 1-3 km length) , 3 core laid in trenches/ducts with the help of electronic fault locating machine comprising of surge generator pulse, echo fault locator with high frequency distance calculator etc and exposing the cable fault, removal of deteriorated portion of cable, treating the cable including making it ready for jointing work complete all as directed by Engineer-in-Charge. Note: - (i) The quoted rate shall deemed to include for the cost of earthwork excavation as required. (ii) Cable if replaced & Jointing kit shall be measured & paid separately.

S & F gang operated air brake switch mechanically operated on insulator and steel frame, with operating mechanism worked from ground level, with 9 nos insulator tilting type for current rating 200 Amps,11000Volt including taking down old unserviceable one complete all as specified and directed.

S&F Expulsion type drop out fuse with all accessories fixed on HT pole rating 200Amps Amps suitable for 11kV, 3 pole with two Nos insulator per pole including dismantling old unserviceable one complete all as specified and directed.

Supply and fix lightning arrester, expulsion type complete with all fitting transmission class ,discharge capacity 65 Kilo Amp 11000 Volts rating including dismantling old unserviceable lightning arrester complete all as specified and directed by Engr-in-Charge.

Supply and fix lightning arrester, expulsion type complete with all fitting transmission class ,discharge capacity 65 Kilo Amp 33000 Volts rating including dismantling old unserviceable lightning arrester complete all as specified and directed by Engr-in-Charge.

Supply and fix lightning arrester, expulsion type complete with all fitting distribution class ,discharge capacity 30 Kilo Amp 11000 Volts rating including dismantling old unserviceable lightning arrester complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair single phase indoor type current transformer suitable for 11 kV, 50Hz, having effectively earthed neutral system, single core single ratio dry type epoxy resin cast, copper wound primary type, of CT Ratio 100-50/5-5A with rated burden 10VA and accuracy class 0.5 or better and conforming to IS 2705 (part-I & II) amended upto date with Short Circuit Rating 13.1 kA for 1.0 seconds all as specified and directed Engr-in- charge.

Supply and fix in repair draw out type three phase indoor type potential transformer with sheet enclosure suitable for 11 kV/110 V , 50Hz, dry type epoxy resin cast type, with rated burden 200VA/Phase and accuracy class 0.5 or better and conforming to IS 2705 (part-I & II) amended upto date all as specified and directed Engr-in- charge.

Pruning / trimming the branches of trees alongwith overhead line of any description, 3 metre on all side below/ above/ sides of overhead line and removing the same upto 150 metre away complete all as specified and directed by Engineer-in-Charge (The above is to be ensured for the entire contract period by cutting/trimming of trees any number of times as required) but payment of each span shall be allowed only once.

Taking out saturated silica gel from existing breather and Supply and replace silica gel in breather of transformers complete all as specified an directed by Engr in charge.

Supply and fix in repair silica gel breather 250gm capacity made up of aluminium top, transparent centre portion made of polycarbonate, filled with silica gel suitable for transformer of capacity 100 KVA to 250 KVA complete all as specified an directed by Engr in charge.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cable , etc. not exceeding 10 Sqm on plan and not exceeding 1.5m in depth and getting out in soft/loose soil all as directed. Note: All excavation in trenches to be done by contractor manually.

Returning filling in including spreading, levelling watering and well ramming in layers not exceeding 25 cm thick for any type of soil all as specified and directed.

Removing surplus soil to a distance not exceeding 50m and depositing at level not exceeding 1.5m above the starting point all as directed.

Supply and spread clean dry river sand in cable trenches as in cable cushioning all as specified and as directed by engr-in-charge

M&L for Sub class ‘B’ old size well burnt brick laid flat in trenches over the cable for protection of LT cable complete all as specified and as directed.

Supply, laying, connecting and testing XLPE HT UG insulated (Earthed) cable laid in trenches/or fixed on pole etc. with screened PVC bedded galvanized steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor, 11000 Volt grade, cross sectional area 95 Sqmm, 3 Core conforming to IS-7098 (Part-II)-1985 laid in trenches/wall/ducts/poles complete all as specified and directed. Notes: (i) Excavation & earth work will be measured and paid separately.

M&L for GI pipe light grade 100 mm bore dia with all fittings to be laid in trenches or in floors, complete including taking down rusted one all as specified and as directed.

M& L for Isolating 11KV HT overhead supply from the substation and earth complete system properly, disconnecting complete electric system of the transformer from HT and LT side including earthing strips, removing transformer and taking out from substation or taking down from 2/4 pole structure ,lifting arrangements, transporting to authorized service centre/work shop for repair and back to the installation after repair including installing, commissioning and testing of the capacity upto 63 KVA

All as per Serial item No 65.00 above but of 100KVA to 200KVA

All as per Serial item No 65.00 above but of 250KVA to 400KVA

All as per Serial item No 65.00 above but of 500KVA to 750KVA NOTE:- Necessary T&P should be arranged by the contractor. The rate of T&P is included in above quoted rate

Draining out the complete transformer oil and keeping in safe custody in clean and dry containers for reuse. Opening the top cover of the transformer, disconnecting and taking out complete core assembly and dismantling it for checking the serviceability of the coil winding, checking the condition of the body, cleaning the tank and remove sludge/dirt, cleaning the coils limbs, refixing of core, core assy, tap changer assy,HT/LT winding connection, terminal studs of HT/LT sides and reassembling of transformer after repairs, refitting the transformer coil including improvement of insulation resistance value within desired level by heating or any other method to required level complete all as directed to the entire satisfaction of engr-in-Charge upto 63KVA

All as per Serial item No 69.00 above but of 100KVA to 200KVA

All as per Serial item No 69.00 above but of 250KVA to 400KVA

All as per Serial item No 69.00 above but of 500KVA to 750KVA Note:- Spare parts ( for Ser item No 69 to 72) required to be replaced shall be measured and paid separately as supply only.

Supply only primary (LV side) aluminium winded coils of existing type size and gauge and in weight complete including wrapping with paper insulation for transformer of 50 kVA to 750 kVA

Supply only primary (HV side) copper winded coils of existing type size and gauge and in weight complete including wrapping with paper insulation for transformer of 63KVA to 750 kVA

All as per serial item No 74 above here in before but LT side .Note for 73 to 75: Actual weight of the each coil shall be measured and paid fitting charges of formed coil included in serial No 69 to 72 above)

Supply and fixing in replacement new off load tap changer assembly complete, making connection and testing complete of the transformer of 50KVA to 200KVA capacity

All as per serial item No 76 above but of 250KVA to 400KVA

All as per serial item No 76 above but of 500KVA to 750KVA

M&L for replacement brown Rubberized cork sheet gasket of 06mm thick for transformer tank all as directed by Engr-in-Charge

Dismantling unserviceable cross arms, clamps etc complete all as directed.

M&L for Cross arms, bracings, supports, clamps, eye hook and back plates fabricated from structural steel sections including pole clamps, stay clamps, D clamps nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint complete all as specified and directed.

Materials and Labour for Earthing complete with copper earth plate electrode 600mmx600mmx3.15mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.5m deep below normal ground level, connected with copper earth strip of size 20x3mm as earth lead up to test point by means of nuts, bolts, check nuts protected by and including GI pipe 32 mm bore (light grade) and connected to main test point as directed and including concrete pit in PCC (1:3:6) type C-1, precast RCC (1:2:4) type B-1 cover slab 30cm x 30cm x 10 cm, reinforced with 8mm dia TMT bars @ 100 mm C/C both ways with one handle for lifting, made out of 8mm dia TMT bar embedded in pre cast cover slab, funnel, wire mesh, 20mm bore GI pipe (medium grade) for watering, charcoal and salt in alternate layers, including necessary excavation and earth work in any type of soil complete all as shown on Electrical Plate No 3 of SSR Part-I, complete all as specified and as directed. Note : Rate quoted by tenderers shall be deemed to include for following provisions:- [i]. Excavation & earth work in any type of soil including removing of surplus material upto 50 M.[ii]. PCC 1:3:6 type C1 using 20mm graded stone aggregate in pit & 40mm thick precast RCC 1:2:4 type B1 cover 30x30 cm with 8mm TMT bars @ 10 cm C/C both ways with handles.[iii]. Main earthing strip from earth electrode to test point upto 7.5 mtr.[iv]. Funnel with watering pipe [GI pipe] 20mm bore [ISI marked] medium grade & copper lugs, charcoal & salt as reqd.[v]. GI protection pipe of size 32 mm bore light grade 7.5m.

PURBANCHAL BUILDERS

M/S KAMAKHYA CONSTRUCTION AND BUILDERS