REPAIR AND MAINTENANCE OF DAMAGED HT/LT CABLE AND ELECTRICAL BREAKDOWN INCLUDING FAULT DETECTION, LOCALIZATION, RECTIFICATION AND ALLIED WORKS IN 11 KV, LT UNDERGROUND CABLE NETWORK, OVER HEAD LINES, AT KABUL LINE, BAIRD PLACE, CVD, PIRU VIHAR, DIPA

Amount

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep (in soft/losse soil) for laying of cables or GI pipe and getting out and levelling of bottom suface to required level all as specified and directed by Engineer- in- Charge.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified. Note : Measurement shall be taken after punning down.

S&F sub class B bricks having minimum compressive strength 75 Kg/ Sq cm laid in trenches for cable protection etc complete all as directed by Engineer-in-Charge.

Laying only old bricks obtained from excavation complete all as directed.

Supplying and laying un-reinforced precast concrete cable cover Class HV, type 1, for 11 KV flat size 300 mm x 180 mm x 40mm.

Laying only old HT cable cover obtained from excavation complete all as directed.

Returning filling in,. Including spreading, levelling,. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point all as specified and directed by Engineer-in-Charge.

Disconnecting faulty 11 KV HT cables of different sizes from both ends, testing the cables with high voltage DC testing machine and locating the fault in the cables by fault locating machine to pin point exact position of fault, re-connections and testing of cables after removal of fault complete all as specified and directed.

All as per item Ser No 9 here in before but 1100 Volt LT cables. Note for item No-9.0 & 10.0 :- (a) HT/LT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable cable cover/bricks will be laid in trenches for cable protection. If extra PCC cover/bricks and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for seperately under respective items of schedule.

Supply, laying, jointing, testing and commissioning in replacement or for making jointing work incl loop, LT underground cables of following sizes, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-7098 (part-II) marked, laid in trenches complete all as specified and directed. Note Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately.

16 Sqmm 4 core

25 Sqmm 4 core

35 Sq mm 3.5 core.

50 Sq mm 3.5 core.

70 Sqmm 3.5 core

95 Sqmm 3.5 core

120 Sqmm 3.5 core

185 Sqmm 3.5 core

240 Sqmm 3.5 core

300 Sqmm 3.5 core

400 Sqmm 3.5 core

Supply, fixing and testing straight through joint heat shrinkable type with jointing kit suitable for cable PVC/XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade complete all as directed for size 25 to 50 Sqmm x 3.5 core/ 4 core.

All as per item No 12 here in before but size 70 to 150 Sqmm x 3.5 core

All as per item No 12 here in before but size 185 to 400 Sqmm x 3.5 core

Supplying, laying, jointing testing and connecting in replacement or for making jointing work incl loop, XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) of following sizes with multistranded aluminum conductors, 11 KV grade(Earthed), IS 7098 (PART-II) marked, laid in trenches fixed to pole, including jointing & testing complete all as specified. Note :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately.

95 sqmm 3 core.

120 sqmm 3 core.

150 sqmm 3 core

185 sqmm 3 core

240 sqmm 3 core

300 sqmm 3 core

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 95 Sqmm to 120 sqmm 3 core

All as per item No 16 here in before but size 150 Sqmm to 185 Sqmm, 3 core.

All as per item No 16 here in before but size 240 Sqmm to 300 Sqmm 3 core

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 70 to 120 Sqmm 3 core.

All as per item No 19 here in before but size 150 Sqmm to 185 Sqmm, 3 core.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 95 to 120 Sqmm 3 core.

All as per item No 21 here in before but size 150 Sqmm to 185 Sqmm, 3 core.

All as per item No 21 here in before but size 240 Sqmm to 300 Sqmm 3 core

Supply, laying, testing and commissioning in replacement of LT underground cables, 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors IS-7098 (Part-II), laid in trenches / ducts / fixed on poles / walls / laid under roads / paths / drain / culverts or encased in GI pipe complete all as specified and directed of Cables sizes 400 Sqmm single core.

All as per item Sl No 24 here in before but of size 630 sqmm single core.

Supply, laying, jointing, testing and commissioning of LT underground cable of size 300 Sqmm 3.5 core, 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-7098, Part-II marked, laid in trenches/ duct/ under road/ footpath/ etc against re-routing / diversion from residential buildings/ road/ footpath etc complete all as specified and directed by Engr In Charge. Location :-Piru Vihar

Supply, laying, jointing, testing and commissioning of LT underground cable of size 240 Sqmm 3.5 core, 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-7098, Part-II marked, laid in trenches/ duct/ under road/ footpath/ etc against re-routing / diversion from residential buildings/ road/ footpath etc complete all as specified and directed by Engr In Charge. Location :-Baird Place, Basantar Line

Taking out faulty underground 1100 Volt LT cable of different sizes by excavation and removing bricks of any size and relaying in the same trenches or re-routing to another site as directed after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required.

Taking out faulty underground 11000 Volt HT cable of different sizes by excavation and removing PCC cover of any size and relaying in the same trenches or re-routing to another site as directed after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required. (Note for item No 28 & 29): (a) HT/LT cable & joints shall be measured and paid for seperately under respective items of schedule if required. (b) Retrieved old serviceable PCC covers/ bricks will be laid in trenches for cable protection. If extra PCC cover/ bricks and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for seperately under respective items of schedule and should be measured twice in case of re-routing of cable.

Material and labour for disconnecting faulty/burnt end or portion of cable by removing the cable from loop including necessary excavation & earth work, relaying and reconnecting the cable by removing faulty/burnt portion of cable and preparing fresh terminals with suitable size of thimbles for 25 Sqmm 3.5/4 core to 70 Sqmm 3.5 core of LT cable to LT Panel/pole/main switch complete all as directed.

All as per item 30 here in before but for LT cable of size 95 Sqmm 3.5 core to 400 Sqmm 3.5 core.

Boring of hole under road/pavement/hard standing or any other situation by mannual and making good both ends all specified and directed.

Supply and lay GI pipe light grade in replacement as cable protection laid on trench/floor, fixed on pole/wall etc of following sizes all as specified of size 100 mm dia

All as per item No 33 here in before but of size 80 mm dia

All as per item No 33 here in before but of size 50 mm dia

Demolition of path /concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and as directed.

M&L for cement concrete type C-1 mix, 1:3:6 (20mm graded aggregate)150mm thick complete all as specified and as directed.

Supplying and fixing in replacement 1100 volts grade heavy duty cable PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections twin core flat cable of following sizes complete all as specified ad directed.

Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 2.25 m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level, connected to galvanized strip 25 x 5 mm, by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I(2009), connected to earth test point and the equipment on the other nuts and washers of galvanised ironside complete all as specified, including testing and commissioning complete all as directed. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe medium grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe upto 7.5 meter beyond the earth plates electrode.

Supplying and laying synthetic Rubber insulated mats 2.5mm thick for voltage upto 11 KV for electrical purpose as per IS 15652-2006,(superseding IS 5424) suitable for electrical shock safety of sizes 2m x1m complete all as specified and as directed..

Supply & fixing in replacement of Air circuit breaker 4 pole 800 Amps 50 KA with Microprocessor release, manual drawout Adjustable type including dismantling & taking out old unserviceable ACB from panels & fabrication works to BUS bar for proper fitting .

Supply & fixing in replacement KIOSK Box weather proof made up of one piece mounted on SMC base and door pole mounted hinged door of size 333 x233x 120 mm outside and 300 x 200 x105 mm inside dimension comprising of aluminum bus bar 4 strips for 3 phase and neutral 63 Amp and FI clamps 25 x 4mm with necessary MS nuts bolts and washers and including applying two coasts of synthetic enamel paint over a coat of red oxide zinc chrome primer on new steel surface and including embassing/painting of Danger notice of size not less than 10 cm x 7.5cm with letters, figures and conventional skull and bones in signal red colour on front face of KIOSK box body complete all as directed.

M & L for cutting and removing grass, vegetation bushes etc from surrounding of installation/LT Panel/Sub Stations and removing all rubbish to a distance not exceeding 50 m as directed.

Supplying and fixing (in replacement) outdoor type factory made and tested, Bus bar chamber, outdoor pedestal type, suitable for LT 415 volts 3 phase 4 wire, 50 Hz , AC supply system, having duly insulated four Nos aluminum bus bars, of rating 600 Amps installed on epoxy / SMC type insulator with one no of MCCB of cap 250 Amp 4P, adjustable type . The panel shall be dust and vermin proof, IP-65 Protection class and made of 3.15 mm CRCA MS sheet and 40 x 40 x 5mm thick angle iron base frame work, suitable for connection of four nos LT cable of size 3.5 core 120-300 Sqmm, powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside, both side opening type, with aprons for cable entry, with double door shutter and locking arrangement of minimum size 60 cm x 60cm x 45 cm ( box size excluding legs) and mounted on angle iron pedstal 45 cms above groungd level all as specified including taking out old feeder pillar and taking out LT cable from loop for connecting in new panel and necessary excavation etc incl necessary PCC work for foundation as directed.

Supply, install, test and commissioning in replacement of factory made tested LT panel board cubical double door compartment outdoor type leg mounted suitable for , 415 volts 3 phase, 4 wire, 50 HZ AC supply system having bus bar chamber with insulated Aluminium bus bar of rating not less than 1.5 times of Incomer/ Outgoings installed on proceline/ SMC insulator. The panel shall be dust and vermin proof IP -65 class protection and made of 3.15 mm CRCA MS sheet and inner compartment 2.0mm, 40X40X6 mm thick MS angle iron frame work, powder coated finished over one coat of red oxide on out side surface and painted in side with two coats of red oxide primer and rear opening type with apran for cable entery closing locking arrangement including internal wiring with PVC insulated solid copper conductor FRLS cable IS 694 marked , 1100 volts grade of appropriate size (but not less than 2.5 sqmm) and comprising of the following including necessary PCC in 1:2:4 type B1 using 20mm graded stone aggregate for platform of suitable size:-

Note:- (i) All incoming and outgoing feeder shall be connected by cable through suitable size glands & thimbles. (ii) The various feeders shall be indicated by 50mm size letters in synthetic enamel white paint. (iii) All MCCB should be connected to Bus bar directly through expended links (iv) All MCCB with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt. II/1993 (Latest Version). The MCCB should have Ics=100% Icu. The MCCBs shall have spreader links and barriers as standard feature of manufacture.

Platform :- M&L for Brick Masonry ( Using sub class 'B' Brick) platform of size 2.2 m x 2.2 m x 1. m hight , built in CM 1:4 complete with excavation & earth work , PCC 1:4:8 type D-2 in foundation 150 mm thick , sub class 'B' brick work in CM 1:5 mm thick rendering in CM 1:6 on sides and top of the brick work , upto 150 mm below ground level , supply and fixing of 02 Nos MS Chennels of suitable size for balancing of Transformer embedded in PCC 1:2:4 type B-1 up to 100 mm Thick RCC 1:3:6 with 10 mm steel bar includding 20 mm graded aggregate , including provn of stair case on one side complete all as specified and directed .

Supply and fixing in the existing LT panel, in replacement of On load change over switch of capacity 400 Amps, four pole, 415 volts, AC, 50 Hz alongwith connected bus bars also complete all as specified and directed .

Supply and fixing in the existing LT panel, in replacement of On load change over switch of capacity 630 Amps, four pole, 415 volts, AC, 50 Hz alongwith connected bus bars also complete all as specified and directed .

Supply and fixing in replacement of off load change over switch of capacity 400 Amps, four pole, 415 volts, AC, 50 Hz and connected with cables also complete all as specified and directed .

Supply and fixing in replacement of off load change over switch of capacity 320 Amps, four pole, 415 volts, AC, 50 Hz and connected with cables also complete all as specified and directed .

Supply and fixing in replacement of off load change over switch of capacity 200 Amps, four pole, 415 volts, AC, 50 Hz and connected with cables also complete all as specified and directed .

Material and labour for installation , testing & commissioning of waterless and maintenance free Gel earthing (C C M compound) , with BFC-50 Kg Jam fill compound alongwith 50 mm dia Cu bonded MS rod of length 3.00 mtr below ground level including duly augering in ground, pre cast or in situ cast in high purity electrically conductiv granutar material having ulta low resistive value to achiev resistance below 2 Ohms conncted with 25 mm x 3 mm Copper strip complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement of Bty bank comprising 02x 12 Volts, 150 AH sealed maintenance free battery for DC supply of HT Equipments.

Material and labour for shifting of LT panel from one site to another site including necessary Foundation , reconnection of LT cables (incoming/outgoing) as directed by Engr In Charge.

Supply, install, test and commissioning in replacement of outdoor factory made tested LT panel board cubical double door compartment outdoor type leg mounted suitable for , 415 volts 3 phase, 4 wire, 50 HZ AC supply system having bus bar chamber with insulated Aluminium bus bar of rating not less than 1.5 times of incomer/outgoing installed on proceline/ SMC insulator. The panel shall be dust and vermin proof IP -65 class protection and made of 3.15 mm CRCA MS sheet and inner compartment 2.0 mm, 40X40X6 mm thick MS angle iron frame work, powder coated finished over one coat of red oxide on out side surface and painted in side with two coats of red oxide primer and rear opening type with apran for cable entery closing locking arrangement including internal wiring with PVC insulated solid copper conductor FRLS cable IS 694 marked , 1100 volts grade of appropriate size (but not less than 2.5 sqmm) and comprising of the following including necessary brickwork for platform of suitable size:-

Material and labour in replacement Retro Reflective installation sign boards of size 2m x 1.4m feet fabricated out of 16 gauge MS sheet ,framed with stainless steel heavy duty pipe of size 50 mm bore duly welded/riveted with MS square pipe of size 25 mm x 25 mm at height 2.00 meter above ground level on stainless steel heavy duty pipe of size 50 mm bore embaded 60 CM in PCC 1:2:4 type B 1 block of size 45cm x 45cm x 60cm including necessary excavation and earth work .The steel portion of the board shall be painted in stove enameled paint and the front & back of the frame shall be overall sheathed with blue colour base painter adhesive tape. The wiriting matter i.e. details of Substation, location, tele No etc. will be in English language on both sides with reflective adhesive painter tapes all as directed and specified by Engineer -in-charge.

Taking down existing worn out/old/broken ACSR conductors of any size and length at any position from LT poles and supply, fixing and stretching new ACSR conductors of any size and type for over head LT poles including binding at site to insulator with suitable size of binding wire etc complete all as specified and directed by Engr in charge.

NOTE :-(i)contractor should provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Eng-in-charge.

DYNAMIC BUILDING SOLUTIONS

Vijay Electricals

INDIAN CONSTRUCTION CO.

mayur enterprises