Tender For Special Repair To Ht Ug Cable From Sub Station No. 16 To Sub Station No. 07, 02/04 Poles Structure At Sub Station & 17 Cab, Various Jb’S And Allied Works At Binnaguri Military Station Under Ge (North) Binnaguri.; 1 Excavation in trenches n.exc 1.5m wide and n. exc 1.5 m in depth for foundation etc or for shafts, wells, cesspits, manholes, pier holes etc n. exc 10 sqm on plan and n.exc 1.5m in depth and getting out in soft/loose soil complete all as per specified and as directed by Engineer-in-charge. 2 Returning,filling in, including spreading, levelling, watering and well ramming in layers n exc 25cm complete all as per specified and as directed by Engineer-in-charge. 3 Removing excavated material not exc. 50 m & depositing where directed at a level not exc. 1.5 m above starting point complete all as per specified and as directed by Engineer-in-charge. 4 Taking out / down faulty serviceable11KV, HT UG cable in existing trenches/duct/on HT poles of nominal cross sectional area from 95 to 185 Sqm, 3 core including disconnecting, PCC covers, GI Pipe etc. of any descriptions, including segregation of serviceable materials viz PCC cable cover, GI Pipes etc. and tracing the location of fault and keep in safe custody for re-use complete all as specified and directed by Engineer-in-Charge.NOTE : (i) Earth work shall be measured & paid separately under relevant items of this Schedule.(ii) Serviceable cable covers will be kept aside for re-use(iii) Serviceable GI pipe will also be kept aside for re-use 5 Re-laying of serviceable HT Cable XLPE insulated with aluminium conductor of size from 95 sqmm, 3 core, 11000 volts grade, complete all as specified and as directed by Engineer-in-charge. 6 Supplying, laying, jointing, testing and commissioning HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy-duty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 95 sqmm 3 core Underground cable laid in trenches/ through GI pipe/fixed along with pole, Complete all as specified and directed by Engineer-in-Charge. 7 M&L for sand cushioning (dry) in trenches for protection of UG cables (below, above and around the cable laid in trenches) of 8cm deep before laying and 15cm covering above the top edge of cable after laying, complete all as specified and as directed by Engineer-in-charge. 8 Supplying and Laying un-reinforced Precast Concrete Cable Cover, class HVP, type – 1, flat size 300 mm x 180 mm x 40 mm, Complete all as specified and directed by Engineer-in-Charge. 9 S&F GI tube 80 mm bore light grade for cable protection with all fitting, laid in trenches, complete all as specified and as directed by Engineer-in-charge. 10 Material & labour for Cable jointing kit for 11 KV (Earthed) grade cable for straight through 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 including testing after jointing and dismantling of old unserviceable one Complete all as specified and directed by Engineer-in-Charge.Note:-(a) Cutting of faulty cable / joint is deemed to be included in the above quoted rates.(b) Earth work i.e. Excavation, removal, and returning filling shall be measured & paid separately under relevant items of this Schedule. 11 Material & labour for Cable jointing kit for 11 KV (Earthed) 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 sqmm to 95 sqmm including taking down old unserviceable, complete all as specified and as directed by Engineer-in-charge.Note:-(a) Cutting of faulty cable / joint is deemed to be included in the above quoted rates.(b) Earth work i.e. Excavation, removal, and returning filling shall be measured & paid separately under relevant items of this Schedule. 12 Material & labour for Cable jointing kit for 11 KV (Earthed) 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 sqmm to 95 sqmm, including taking down of unserviceable one complete all as specified and as directed by Engineer-in-Charge.Note:-(a) Cutting of faulty cable / joint is deemed to be included in the above quoted rates.(b) Earth work i.e. Excavation, removal, and returning filling shall be measured & paid separately under relevant items of this Schedule. 13 M & L for PCC (1:3:6) type C-2(using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete, complete all as specified and directed by Engineer-in-charge. 14 Material and labour for earthing complete with galvanized steel plate electrodes of size 600x600x6 mm thick burried directly in ground with earth pit not less than 2.25 meter deep below normal ground level with top edge of plate not less than 1.5 meter below normal ground level connected to galvanised wire 4.00 mm earth lead by means of nuts, bolts, checknuts and washers including 15 mm bore galvanized iron pipe, medium grade for protection of earth lead upto the length of 7.5 meter towards test terminal and 20 mm bore galvanized iron pipe, medium grade for watering, and providing of charcoal and common salt in alternate layers, including necessary earth work in any type of soil and including PCC pit in PCC 1:2:4 with provision of wire mesh and funnel, complete all as shown in electrical plate No 5 of SSR Part- I including testing, including taking down old unserviceable one complete all as specified and as directed by Engineer-in-charge. 15 M&L for Earthing complete with GI earth plate electrode 600x600x6 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below the ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to GI earth strip 32 x 6 mmby means of bolts, nuts, check nuts and washers of brass/copper all as shown in electrical plate No 3 of SSR part-I2009 connected to lightening conductor all as specified and testing on completion including necessary excavation, earthwork, PCC works and CI earth pit cover with watering pipe 20mm dia GI pipe medium grade, funnel with wire mesh and lugs and GI pipe 40 mm dia of light grade, for protection of earth strip including dismantling of old unserviceable one, Complete all as specified and directed by Engineer-in-Charge.Note:- 1. Excavation/PCC/Earth work/Charcoal/ Salt shall be deemed to be include in this unit rate. 16 Supply and installation (above ground) including testing HT joint box 2 way outdoor type of size 1200 x 1000 x 800 mm (overall) made out of 3.15 mm thick CRCA sheet withsupport of angle iron frame of size 40 x 40 x 6 mm with KIOSK BOX and comprising of 03 Nos HT porcelain bushing and copper round bus bar 12 mm dia rigidly mounted on bakelite sheet 12 mm thick to support insulators of suitable size and shape including providing necessary electric connection and applied two coats of synthetic enamel paint over a coat of red oxide primer to steel surfaces (internally & externally) including PCC foundation base of size 1500 mm x 400 mm x 1400 mm height (700 mm above GL & 500 mm below GL) with PCC 1:3:6 type C1 using 20 mm graded aggregate complete including necessary excavation and earth work for foundation and necessary electric connection complete and including dismantling of unserviceable joint box complete all as specified and as directed by Engineer-in-Charge. 17 M&L for precast cable route indicatorof size 100x30x10 Cms by using 20 mm graded aggregate type B11;2;4for cable indicator and engraving as HT CABLE slightly round from one side incl Red painting with two coat of synthetic enamel paint of a coat of primer, complete all as specified and as directed by Engineer-in-charge. 18 M & L for horizontal boring across the existing road without disturbing the road surface for inserting 40-100 mm bore GI pipe, complete all as specified and as directed by Engineer-in-charge.Note :- GI pipe shall be measured and paid separately under relevant item of this schedule. 19 Re-laying only old PCC cable cover in Trenches for Under Ground cable protection, complete all as specified and as directed by Engineer-in-charge. 20 Laying only serviceable bricks obtained from relevant items of this schedule, Complete all as specified and directed by Engineer-in-Charge. 21 S&F of GI tube 100 mm bore light grade for cable protection with all fitting, laid in trenches, complete all as specified and as directed by Engineer-in-charge. 22 Material & labour 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 including testing after jointing and dismantling of old unserviceable one Complete all as specified and directed by Engineer-in-Charge.Note:-(a) Cutting of faulty cable / joint is deemed to be included in the above quoted rates.(b) Earth work i.e. Excavation, removal, and returning filling shall be measured & paid separately under relevant items of this Schedule. 23 Supply & fixing in repair of 32 x 6 mm galvanised iron strip, earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or fixed to poles or roof with saddle and screw current, Complete all as specified and directed by Engineer-in-Charge. 24 Supply and installation (above ground) including testing HT joint box 3 way outdoor type of size 1500x1200x800mm (overall) made out 3.15mm thick CRCA sheet with support of angle iron frame of size 40x40x6mm with KIOSK BOX and comprising of 06 Nos HT porcelain bushing and copper round bus bar 12mm dia rigidly mounted on bakelite sheet 12mm thick to support insulators of suitable size and shape including providing necessary electric connection and applied two coats of synthetic enamel paint over a coat of red oxide primer to steel surfaces (internally & externally) including PCC foundation base of size 1700mm x 400mm x 1400mm height (700mm above GL & 500mm below GL) with PCC 1:3:6 type C1 using 20mm graded aggregate complete including necessary excavation and earth work for foundation and necessary electric connection complete and including dismantling of unserviceable joint box complete all as specified and as directed by Engr-in-Charge. 25 Supply & fixing in repairs of 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 earthing etc. as required 20x3mm copper strip complete all as specified and as directed by Engineer-in-charge. 26 M & L for earthing with copper plateelectrode 60cm×60cm×3.15mm thick directly buried in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less 1.5 mtr deep below normal ground level connected to 20×3mm copper strip as earthing lead by means of bolts nuts check nuts and washers of copper, GI pipe 40 mm bore light grade for protection of earth strip, PCC chamber 1:3:6 (type C-1) using 20mm graded stone aggregate funnel with wire mesh, 50 mm thick cover of RCC 1:2:4 type B-1 using 20mm graded stone aggregate reinforced and lifting handle on RCC cover with 8 mm MS bars at 150 mm centre to centre both ways, frame of Angle Iron 25 x 25 x 3mm with 2 Nos lugs, 20mm bore watering pipe perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal dust filling, test point made of phosphate bronze with fixing arrangement all as shown in electrical plate No. 3 of MES SSR part-I and making test point including excavation & earth work and connecting the earthing to an earthing point/equipment & testing, including dismantling of old unserviceable one, Complete all as specified and directed by Engineer-in-Charge.(Note - Main earthing lead and its protection pipe up to 7.5 mtr length deemed to be included in the item) 27 Dismantlingand taking out two/four pole structure of any size with necessary disconnection of electric wire, demolition of concrete foundation including excavation and earth work as required and removing the same from site, complete all as specified and as directed by Engineer-in-charge. 28 Supplying , installation, testing and commissioning of RMU 4 way HT 11 KV outdoor type,21 KA for 1 sec, rated voltage-12KV, operation voltage-11 KV, rated lightning withstand voltage - 95 KV, rated frequency - 50Hz, 630 amp copper busbar SF6 insulated non extensible compact switch gear consisting of three nos fixed motorised load break switch (LBS) and one nos fixed motorised Vacuum circuit breaker (VCB) in SF-6 gas pressure designed for minimum 1.4 Bar &insulated, welded, stainless steel enclosed with minimum 2.5 mm thickness totally enclosed Ring Main Unit IP-67 protection with self powered microprocessor based complete numerical over current & earth fault relay comprising of the following specification/equipment :- 29 Serial Item No. 28.00 contd...Note :- Contractor shall supply outdoor RMU with out door enclosure.(a) The circuit breaker and earthing switch shall be lockable in the open or closed position by suitable number of padlocks of suitable size.(b) Inter panel barrier to prevent arc propagation from one panel/compartment to other.(c) Earthing switch rated for full making capacity with provision for safe & reliable position indicator.(d) Isolating plug(e) Vacuum circuit breaker unit insulated in SF6 media shall comprising the following :(i) Assembly of VCB interrupter complete with epoxy support insulator and self aligning isolating contacts with rating 11KV 630 amps ,21 KA for 3sec , 50 Hz.(ii) Manual charged and manual operated independent closing / tripping, trip free operating mechanism and breaker closed/open, spring charge/discharge indication.(iii) Mechanical operation counter-02 No(iv) One bus bar chamber including a set of 3 phase 630 amps copper bus bar.(v) Strip heater 230 volts AC single phase 80 watt.(vi) Current transformer chamber comprising of 3 nos single phase resin cost CTsof 100-50/5 and accuracy class 1.0 for metering and class 5P10 for protection in all outgoing VCB feeder - Set of 3.(f) One no potentialtransformer(PT) three phase, dry type ( resin cast) draw out type 11kv/110 volts, 100VA burden, accuracy class 1.0 with HT & LT HRC fuses for primary and secondary complete as per IS-3156- 01 no.(g) SCADA Self powered solid state numerical O/C & E/F relay for complete protection of HT,11KV,three phase feeder having facility to record fault current with date & time with suitable communication port as approved by GE- 01 nos(h) Arc flash supervision of circuit breaker, cable and busbar compartment.(i) Digital SCADA compatible intelligent panel meter indicating line/phase current, line/phase voltage, power factor, KVAR,KVA, frequency etc with accuracy class 1.0 for all outgoing feeders. 30 Serial Item No. 28.00 contd...(j) One set of indication lamp(LED) type for ON/OFF indication in all LBS/VCB.(k) One set of indication lamp (LED) type for spring charging and three nos indication lamp for RYB phase indication in all LBS/VCB.NOTE:-(i) All foundation works for RMU as per manufacturer recommendation for the installation shall be deemed to be included in the quoted rates.(iii) Contractor shall submit detailed drawings with specification of the RMU and get necessary approval before placing final order to the manufacturer.(iv) All outgoing / incoming existing HT cable of any size drawing / digging out cable from loops in trenches inclusive of necessary excavation and earthwork as required and relaying the cables shall be deemed to be included in the quoted rates.(v) Any item missed out above but is technically required for safe and proper operation of equipment shall be deemed to be included in the quoted rate.(vi) The material will be purchased only through manufacturing company. 31 Supplying , installation, testing and commissioning of RMU 3 way HT 11 KV outdoor type,21 KA for 1 sec, rated voltage-12KV, operation voltage-11 KV, rated lightning withstand voltage - 95 KV, rated frequency - 50Hz, 630 amp copper busbar SF6 insulated non extensible compact switch gear consisting of two nos fixed motorised load break switch (LBS) and one nos fixed motorised Vacuum circuit breaker (VCB) in SF-6 gas pressure designed for minimum 1.4 Bar & insulated, welded, stainless steel enclosed with minimum 2.5 mm thickness totally enclosed Ring Main Unit IP-67 protection with self powered microprocessor based complete numerical over current & earth fault relay comprising of the following specification/equipment :- 32 Serial Item No. 29.00 contd...Note :- Contractor shall supply outdoor RMU with out door enclosure.(a) The circuit breaker and earthing switch shall be lockable in the open or closed position by suitable number of padlocks of suitable size(b) Inter panel barrier to prevent arc propagation from one panel/compartment to other.(c) Earthing switch rated for full making capacity with provision for safe & reliable position indicator.(d) Isolating plug(e) Vacuum circuit breaker unit insulated in SF6 media shall comprising the following :(i) Assembly of VCB interrupter complete with epoxy support insulator and self aligning isolating contacts with rating 11KV 630 amps ,21 KA for 3sec , 50 Hz.(ii) Manual charged and manual operated independent closing / tripping, trip free operating mechanism and breaker closed/open, spring charge/discharge indication.(iii) Mechanical operation counter-02 No(iv) One bus bar chamber including a set of 3 phase 630 amps copper bus bar.(v) Strip heater 230 volts AC single phase 80 watt.(vi) Current transformer chamber comprising of 3 nos single phase resin cost CTsof 100-50/5 and accuracy class 1.0 for metering and class 5P10 for protection in all outgoing VCB feeder - set of 3(f) One no potentialtransformer(PT) three phase, dry type ( resin cast) draw out type 11kv/110 volts, 100VA burden, accuracy class 1.0 with HT & LT HRC fuses for primary and secondary complete as per IS-3156- 01 no.(g) SCADA Self powered solid state numerical O/C & E/F relay for complete protection of HT,11KV,three phase feeder having facility to record fault current with date & time with suitable communication port as approved by GE- 01 nos (h) Arc flash supervision of circuit breaker, cable and busbar compartment. (i) Digital SCADA compatible intelligent panel meter indicating line/phase current, line/phase voltage, power factor, KVAR,KVA, frequency etc with accuracy class 1.0 for all outgoing feeders. 33 Serial Item No. 29.00 contd...(j) One set of indication lamp(LED) type for ON/OFF indication in all LBS/VCB.(k) One set of indication lamp (LED) type for spring charging and three nos indication lamp for RYB phase indication in all LBS/VCB.NOTE:-(i) All foundation works for RMU as per manufacturer recommendation for the installation shall be deemed to be included in the quoted rates.(ii) Contractor shall submit detailed drawings with specification of the RMU and get necessary approval before placing final order to the manufacturer.(iii) All outgoing / incoming existing HT cable of any size drawing / digging out cable from loops in trenches inclusive of necessary excavation and earthwork as required and relaying the cables shall be deemed to be included in the quoted rates.(iv) Any item missed out above but is technically required for safe and proper operation of equipment shall be deemed to be included in the quoted rate.(v) The material will be purchased only through manufacturing company.Note - The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule A/BOQ.
