REPAIR AND MAINT OF 11 KV MRS INCL VARIOUS TYPE OF HT PANELS, AVR AND OTHER EQUIPMENT AND REP AND MAINT OF 11 KV UG CABLE, HT OH LINES CONNECTED ITEMS AT MANASBAL, HAFT CHINAR, SONAMARG AND TATTOO GROUND UNDER GE 970 EWS

Amount

Excavating in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for foundation for erection of poles, stays, laying cables, stays etc and getting out any type of soil complete all as specified and directed by Engr-in-charge.

Excavating in trenches not exceeding 1.5 meter wide and exceeding 1.5 meter and not exceeding 3meter in depth for foundation for erection of poles, stays, laying cables, stays etc and getting out any type of soil complete all as specified and directed by Engr-in-charge.

Returning filling in excavated earth work including spreading, levelling, watering and well ramming in layers n.exc 25cm thick in any strata complete all as specified and directed by Engr-in-charge.

Removing excavated soil to a distance n.exc 50m, depositing where directed at a level n.exc 1.5M above the starting point complete all as specified and directed by Engr-in-charge.

Sand cushioning to underground cables 8cm thick before laying cable and 15cm thick after lying and streching the cable, complete all as specified and directed by Engr-in-Charge. Note : Punned thickness only will be measured & Paid

M/L Sub Class 'B' brick covering protection to the eletric cable laid dry flat transversally along the length of cable on sand cushioning with width equal to length of brick complete all as specified and directed by Engr-in-charge.

M & L for PCC 1:4:8 type D-2 using 40 mm graded stone aggregate including use and waste of form work of concrete for pole and stay foundation complete all as specified and directed by Engr-in-charge.

M & L for PCC 1:3:6 type C-1 using 20 mm graded stone aggregate including use and waste of form work for pole coping/ any description complete all as specified and directed by Engr-in-charge.

M & L for PCC 1:2:4 type B-1 using 20 mm graded stone aggregate including use and waste of form work for pole coping/ any description complete all as specified and directed by Engr-in-charge.

M & L for graded coarse aggregate (broken stone or boulders) of size 40 mm in sub - station yard for laying complete all as specified and directed by Engr-in-charge.

Surface dressing not exceeding 15 cm depth by removing of creepers / vegetation on stay wires/ HT/LT/street light poles by clearing 3 mtr all around Stay wire & polesoft and removing the loose soil complete all as specified and directed by Engr-in-charge. (Note : Each cleaning will be mesaured and paid)

Dismantling old unserviceable pre stressed concrete /Steel poles any type including breaking cement concrete complete, Material and erection of steel tubular swaged pole with cast iron base plate finial tapper plug, bolts nuts and screws and specified type 410-SP-55 ( 11mtr long) in truly vertical position 1.5 m length of pole above ground level shall be painted with two coats of synthetic enamel paint in strips of 30 cm width, black and yellow alternatively and painting with two coats of aluminum paint over a coat of red oxide primer on rest part of pole and its connected parts complete all as specified and directed by engr-in charge. (note- Excavation and PCC shall be measured and paid seperately )

Earthing complete with galvanized steel earth plate electrode 60cm x 60cm x 6mm thick, buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meter below normal ground level, connected to galvanized earth lead GI strips 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanized iron and 32x6mm GI earth strip protected by provision of GI medium grade pipe 40mm bore or steel all as shown in electrical plate No 5 of SSR 2009 Part-I connected to earthing test point all as specified or indicated including earth work in any type of soil, charcoal dust, common salt, 20mm bore light grade watering pipe, wire mesh, funnel, PCC pit 1:2:4 type B1 and 40mm thick cover of RCC (1:2:4) type B-O reinforced with X PM of weight not less than 4 Kg/Sqm and with 6mm dia MS bar handle made to shape, 40mm bore protection pipe light grade upto 7.5 mtr length & salt etc; complete all as specified and directed by Engr-in-Charge. Notes:- (i) Main earthing strip from earth plate electrode to test point upto length of 7.5 metres length shall deem to be included in the unit rate quoted against this item. (ii) GI protection pipe & earthing lead beyond 7.5 metres shall be measured and paid for seperately under appropriate item of Sch A part-I. (iii) On testing after completion if desired resistanace is not obtained, the contrator shall redo the earthing without any extra cost to the department.

Dismantling of existing old unserviceable ACSR of any size from any descritpion, material and labour for providing new ACSR conductor all as specified and directed incl stringing through existing RCC poles, fixing in insulators, jumpers with polythene pipe, aluminium binding wire etc complete of different sizes complete all as specified and directed by engr-in charge. Note : Rates for new Aluminium cable terminal lugs are included in this rate.

S & F in repairs Galvanaised Iron cross arms channel, bracing, support, clamps etc fabricated structured steel, sections, including nuts, bolts, washers etc and cutting to required length beat to any shape drilling holes, fixed on poles or jointed by means of elect welding complete incl painting with 2 coats of aluminum paint over a coat of red oxide primer after preparation of surfaces incl taking down / dismantling the old items complete all as specified and directed by engr-in charge.

Dismantling old unserviceable stay assy complete, material and labour for new stay assembly complete with 20 mm dia stay rod with accessories shown in electric plate No 01 incl stay clamp, (loop insulator, stay wire, excavation and concrete measured seperately) complete all as specified and directed by engr-in charge.

M & L in repairs for Galvanised Stay wire of size 7/4 mm incl dismantling old wire complete all as specified and directed by engr-in charge.

S & F in repairs for loop insulator Vitreous Porcelian white or brown of size 90 X 140 mm clearance hole 25.5 mm complete all as specified and directed by engr-in charge.

S & F in repairs Disc type porcelain vitreous, brown or white insulator suitable for 11 KV HT working Pressure of size 145 mm height, 255 mm dia , including. one galvanised mild steel spindle, two galvanised iron washer and one GI nut complete all as specified and directed by engr-in charge

S & F in repairs Pin type porcelain vitreous,brown of white insulator suitable for 11 KV HT of working pressure of size 150mm height, 150mm dia, including one galvanised mild steel spindle, two galvanished iron washer and one GI nut complete all as specified and directed by engr-in charge.

S & F in repairs incl testing of swing out explusion fuse isolated assembly with fuse carrier out door type 11 KV supply 50 Amp ( DO Fuse ) incl mounting bracket & post insulator complete all as specified and directed by engr-in charge.

S & F in repairs transmission class type droup out fuses 11000 volts rating 25-50 amps,outdoor type complete all as specified and directed by engr-in charge.

S & F in repairs lightning arresters expulsion type complete with all fittings transmission class, discharge capacity 65 kilo amps, suitable for 11 KV complete all as specified and directed by engr-in charge.

S & F in repairs lightning arresters expulsion type complete with all fittings transmission class, discharge capacity 65 kilo amps, suitable for 33 KV complete all as specified and directed by engr-in charge.

S & F in repairs cable jointing kit for 11KV grade cable for Outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm complete all as specified and directed by engr-in charge..

S & F in repairs cable jointing kit for 11KV grade cable for Outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed by engr-in charge..

S & F in repairs cable jointing kit for 11KV grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm complete all as specified and directed by engr-in charge.

S & F in repairs cable jointing kit for 11KV grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed by engr-in charge..

S & F in repairs cable jointing kit for 11KV grade cable for Straight through joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm complete all as specified and directed by engr-in charge.

S & F in repairs cable jointing kit for 11KV grade cable for Straight through joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed by engr-in charge.

M & L for painting of HT/LT panel of any description with one coat of synthetic enamel paint of standard colour code over the existing painted surfaces after preparing the old painted surfaces by using spray gun complete all as specified and directed by engr-in charge.

Supply & Lay , testing and commissioning HT XLPE cable , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 95 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations / areas complete all as specified and directed by engr-in charge.

Supply & Lay , testing and commissioning HT XLPE cable , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 120 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations / areas complete all as specified and directed by engr-in charge.

S & F in repairs of Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment cut to required shape and size for cable duct or any other descriptioncomplete all as specified and directed by engr-in charge.

Repairing / Servicing the Air break isolating switch HT 33 KV 200/400 Amps by replacing the defective major spares including provn of minor bolts nuts etccomplete all as specified and directed by engr-in charge. Note :- (i) Payment of defective parts to be replaced shall be measured and paid for separately as supply only under respective items and all labour component includes in this item.

Supply only 33 KV Airbreak switch spares complete all as specified and directed by engr-in charge.

(a) Supply only Male contact/moving Contact Blade

(b) Supply only Female contact/Fix Contact Jaw

(c) Supply only Rotating contactor pipe 200A/400 A

(d) Supply only MS jumper carrier

(e) Supply only Back Connector plate

Re- Stringing only existing HT 11/33 KV / LT OH line / Jumpers including dismantling of existing old binding wire for tightneing complete all as specified and directed by engr-in charge. Note: (a) Restringing of each wire shall be measured as in RM (b) Supply only binding wire shall be measured and paid separately.

M & L for PVC insulated armoured heavy duty electric cable with copper conductor 1100 V grade with cross section area 4 Core 4 Sqmm complete all as specified and directed by engr-in charge.

M & L for PVC insulated armoured heavy duty electric cable with copper conductor 1100 V grade with cross section area 16 Core 2.5 Sqmm complete all as specified and directed by engr-in charge.

S&F in repair lighting arrestor zinc oxide gap less type, station class suitable for 33 KV/ 10 KA complete with all fittings all as specified and directed by Engr-in-Charge (Make : M/s Crompton Greaves, M/s Lamco, M/s Elpro & M/s Oblum).

S & F in repairs single post insulator, 33 KV with mounting spindle etc complete all as specified and directed by engr-in charge

S & F in repairs Pin insulator, 33 KV with mounting spindle etc. complete all as specified and directed by engr-in charge.

S & F in repairs disc insulator, 33 KV with hardware fittings etc. complete all as specified and directed by engr-in charge.

M & L preparation of old painted external surfaces of HT 2 pole structures consisting of HT 11 Mtr steel pole, cross arms, GOD assy with pipe, DO fuse assy, clamps etc., of any description and applying one coat of Aluminium paint complete all as specified and directed by engr-in charge.

M & L preparation of old painted external surfaces of HT 4 pole structures consisting of HT 11 Mtr steel pole, cross arms, GOD assy with pipe, DO fuse assy, clamps etc., of any description and applying one coat of Aluminium paint complete all as specified and directed by engr-in charge. Note for item No 44 & 45 : This rate inclusive of painting all minor items such as clamps, brackets, nuts, bolts and washers which is not particularly mentioned in the structures & Each job will be measured and paid.

M&L for servicing of 33 KV VCB at Manasbal MRS dismantling cleaning greasing the complete VCB with attached relays bus bar etc insulation testing, setting the contact gap by measuring as required reassembling the VCB and reinstalling back to its original position checking and repairing the current curcuit panel wiring, relay testing and provision of minor spares as required complete including operational testing and commissioning all as specified and directed by Engr-in-charge. Note :- (i) Payment of defective parts to be replaced shall be measured and paid for separately as supply only under items No 54.01 to 54.09 and all labour component includes in this item.

M&L for servicing of 11 KV VCB/ bus coupler at Manasbal, tatto ground and Haft chinar area sub stations, dismantling, cleaning, greasing the comple VCB with attached relays, bus bar etc, insulation testing seting the contract gap by measurig as required, reassemblig hte VCB and reinstalling back to its original position checking repairsing the current, circuit panel wiring, relay testing of CTs and provision of minor spares as required complete including operational testing and commissioning all as specified and directed by Engr-in-Charge. Note :- (i) Payment of defective parts to be replaced shall be measured and paid for separately as supply only under items No 55.01 to 55.11 and all labour component includes in this item.

M&L for carrying out primary injection test of 11 KV indoor type current transformer (set of three) of VCB's by using standard injection test method and checking the electrical circuits for fault condition and proper functioning incl submitting the test report all as specified and directed by Engr in charge

M&L for carrying out primary injection test of 33 KV outdoor type current transformer (set of three) of VCB's by using standard injection test method and checking the electrical circuits for fault condition and proper functioning incl submitting the test report all as specified and directed by Engr in charge

M & L for primary injection test for 11 KV or 33 KV Potential transformer by applying low voltage on HV Side including testing of secondary wiring for its healthiness and submitting the test report all as directed.

Dismantling old and burnt out PT unit 11000/110 volts draw out type epoxy resin cast type taking out contact with lead and bushing from the bus bar and PT, replacing by new one of same model suitable for 11 KV /110 V grade PT unit and re-installation and testing on completion all as directed.

Trimming of tree branches touching to the LT/ HT over head line or near to the HT /LT over head line as per the direction of AGE E/M/JE incharge complete including removing the tree branches. Notes:- (i) Written shut down shall be obtained from concerned JE/AGE (E/M) before cutting of tree branches touching to the LT/HT over head lines or near to the LT/ HT over head lines. (ii) Span from one pole to next pole will be considered as a one Job. (iii) Any damage cause due to contractor men will be rectified without any extra payment. (iv) T & P such as ladder, rope, cutter, Axes and other related tools shall be provided by the contractor.

S & F in repairs insulating rubber mat ISI marked of size 1 m x 2 m x19mm suitable for 11 KV at 33 KV MRS Old Air Field complete all as specified and directed by engr-in charge.

Supply only for replacement of the following for outdoor VCB 33 KV 800 A 750 MVA fault level 36V-26/2000 make : Seimens as approved by GE and all as specified and directed by Engr-in-Charge including dismantling old UNSV one :-

(a) Closing coil 30V DC

(b) Tripping coil 30V DC

(c ) Anti pumping device 30 V DC

(d) 33 KV porcelain busing for VCB Top

(e) 33 KV porcelain busing for VCB bottom

(f) Connector strip 16 way

(g) Earth Fault and over current relay of L&T Model No MC61A 24-110 V

(h) Digital type power factor indicator meter

(j) Digital type Voltmeter/ Ammeter 96x96 mm size

Supply only for replacement of the following for HT VCB 11 KV 400 A 25 KA 250 MVA Make : Seimens as approved by GE and all as directed including dismantling old UNSV one : -

(a) Closing coil 30V DC

(b) Tripping coil 30V DC

(c ) Anti pumping device 30 V DC

(d) LED type indicator lamp assembly

(e) Vaccum Interupter for indoor VCB

(f) Spout incoming side

(g) Spout outgoing side

(h) Connector strip 16 way

(j) Earth Fault and over current relay of L&T Model No MC61A 24-110 V

(k) Digital type power factor indicator meter

(l) Digital type Voltmeter/ Ammeter

M&L for EHV grade insulating transformer oil complete all as specified and directed by Engr-in-charge. Make: Powerlink/poweroil/Savita/Mide

M/s Alam-i-Afroz

M/S Noor Mohammad Shalla

M/S YATTOO CONTRACTORS

M/S Sky Engineers