SPECIAL REPAIRS FOR REPLACEMENT OF LT PANELS, LT CABLES, AND SWITCHGEAR SYSTEMS INCLUDING ALLIED WORKS AT MTTI AIR FORCE STATION AVADI.; 1 Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out any type of soil for laying cables / pipes / erection of poles etc all as specified and as directed. 2 Removing excavated material (soil) not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point all as specified and as directed. 3 Returning filling in soil including spreading leveling watering well ramming in layers not exceeding 25 cm each all as specified and as directed. 4 Laying in trenches fine sieved excavated dry soilincluding spreading/ leveling, cushioning for underground cables all as specified and as directed. 5 Supply and laying of common burnt clay building bricks, sub class B sizefor cable protection all as specified and as directed. 6 Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sq mm 3.5 core complete all as specified and directed. 7 Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 50 sq mm 3.5 core complete all as specified and directed. 8 Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 sq mm 3.5 core complete all as specified and directed. 9 Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 sq mm 4 core complete all as specified and directed. 10 Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 10 sq mm 2 core complete all as specified and directed. 11 Dismantling old unserviceable ACSR conductor of assorted sizes as in overhead lines from poles and taken on credit complete all as specified and as directed. 12 Taking down old unsc cable of 10 to 120 sqmm, 2/3.5/4 core complete all as specified and directed. 13 Dismatling of old unsv LTPB/Loop boxes/Timer panels including taking down the demolition of old plain cement concrete complete all as specified and as directed. 14 Supply.install,testing and commissioning of cubical indoor type LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 1600 mm x 1300mm x 600 mm thick frame work and 3.15mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 400A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 15 INCOMING:-(i)MCCB adjustable thermal magnetic release type of capacity 250 amps, 4 pole,36 kA.- 1 Nos.(ii) On load change over siwtch 250 Amps ,4 pole 415 volts ,3 phase ,50 Hz AC - 01 NoOUTGOING (i) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,25 kA.- 04 Nos. (ii) MCCB adjustable thermal magnetic release type of capacity 63 amps, 4 pole,16 kA.- 03 Nos.(iii) Indicating Lamp LED Type- 01 set (03 Nos)(iv) Multifunction meter digital type -01 No 16 Supply.install,testing and commissioning of cubical outdoor LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 1800 mm x 1300mm x 600 mm thick frame work and 3.15mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 800A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 17 INCOMING:-(i)MCCB adjustable thermal magnetic release type of capacity 630 amps, 4 pole,50 kA.- 1 Nos.OUTGOING (i) MCCB adjustable thermal magnetic release type of capacity 200 amps, 4 pole,25 kA.- 03 Nos.(ii) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,25 kA.- 04 Nos. (iii) Indicating Lamp LED Type- 01 set (03 Nos)(iv) Multifunction meter digital type -01 No 18 Supply.install,testing and commissioning of cubical outdoor LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 1700 mm x 1200mm x 450 mm thick frame work and 3.15mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 500A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 19 INCOMING:-(i)MCCB adjustable thermal magnetic release type of capacity 315 amps, 4 pole,36 kA.- 1 No.OUTGOING (i) MCCB adjustable thermal magnetic release type of capacity 200 amps, 4 pole,25 kA.- 02 Nos. (ii) MCCB adjustable thermal magnetic release type of capacity 125 amps, 4 pole,25 kA.- 02 Nos. (iii) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,25 kA.- 02 Nos. (iv) Indicating Lamp LED Type- 01 set (03 Nos) (v) Multifunction meter digital type -01 No 20 Supply.install,testing and commissioning of cubical outdoor type LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 1200 mm x 1200mm x 450 mm thick frame work and 3.15mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 300A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 21 INCOMING:-(i)MCCB adjustable thermal magnetic release type of capacity 200 amps, 4 pole,25 kA.- 1 No.OUTGOING (i) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,25 kA.- 03 Nos.(ii) Indicating Lamp LED Type- 01 set (03 Nos) (iii) Multifunction meter digital type -01 No 22 Supply.install,testing and commissioning of cubical indoor type LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 1600 mm x 1550mm x 450 mm thick frame work and 3.15mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 450A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 23 INCOMING:-(i)MCCB adjustable thermal magnetic release type of capacity 300 amps, 4 pole,36 kA.- 1 No OUTGOING (i) MCCB adjustable thermal magnetic release type of capacity 200 amps, 4 pole,25 kA.- 02 Nos.(ii) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,16kA.- 04 Nos. (iii) Indicating Lamp LED Type- 01 set (03 Nos)(iv) Multifunction meter digital type -01 No 24 Supply.install,testing and commissioning of cubical Outdoor type LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 1500 mm x 1200mm x 450 mm thick frame work and 3.15 mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 400 A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 25 INCOMING:-(i)MCCB adjustable thermal magnetic release type of capacity 250 amps, 4 pole,36 kA.- 1 Nos.(ii) On load change over siwtch 250 Amps ,4 pole 415 volts ,3 phase ,50 Hz AC - 01 NoOUTGOING(i) MCCB adjustable thermal magnetic release type of capacity 160 amps, 4 pole,25 kA.- 02 Nos. (ii) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,16 kA.- 02 Nos. (iii) Indicating Lamp LED Type- 01 set (03 Nos)(iv) Multifunction meter digital type -01 No 26 Supply.install,testing and commissioning of cubical indoor type LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 1600 mm x 2000mm x 600 mm thick frame work and 3.15 mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 600A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 27 INCOMING :-(i)MCCB adjustable thermal magnetic release type of capacity 400 amps, 4 pole,36 kA.- 1 Nos.(ii) On load change over siwtch 400 Amps ,4 pole 415 volts ,3 phase ,50 Hz AC - 01 NoOUTGOING(i) MCCB adjustable thermal magnetic release type of capacity 200 amps, 4 pole,25 kA.- 03 Nos. (ii) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,16 kA.- 06 Nos. (iii) Indicating Lamp LED Type- 01 set (03 Nos)(iv) Multifunction meter digital type -01 No 28 Supply.install,testing and commissioning of cubical Out door type LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 2100 mm x 1600mm x 1000 mm thick frame work and 3.15 mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillars with bolts grounted complete .The panel comprising of Aluminium bus bars of 1000A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 29 INCOMING:-(i)LT ACB 630 Amps, 50 Ka, micro processor based with over load,short circuit earth fault & instanneous fault protection, draw out type with all fixing arrangements complete - 1 No.OUTGOING(i) MCCB adjustable thermal magnetic release type of capacity 250 amps, 4 pole,25 kA.- 03 Nos. (i) MCCB adjustable thermal magnetic release type of capacity 200 amps, 4 pole,25 kA.- 02 Nos. (ii) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,16 kA.- 02 Nos. (iii) Indicating Lamp LED Type- 01 set (03 Nos)(iv) Multifunction meter digital type -01 No 30 Supply.install,testing and commissioning of cubical Outdoor type LT Electrical distribution feeder pillar box CPRI approved platform mounted factory made totally enclosed dust and vermin proof double shutter front opening with locking arrangement complete made ofapprox size 1500 mm x 1200mm x 500 mm thick frame work and 3.15 mm thick CRCA sheet duly painted over outside and inside with detachable sheets with holes for cable glands,separate bus bars,cable entry and exits, panel base of angle iron 50x50x6 mm upto 60 cm height mounted on ground/PCC pillers with bolts grounted complete .The panel comprising of Aluminium bus bars of 500 A capacity,415 volt 50Hz,3 phase 4 wire system with insulators and internal wiring complete accessories with following requirements :- 31 INCOMING:-(i)MCCB adjustable thermal magnetic release type of capacity 320 amps, 4 pole,36 kA.- 1 Nos.(ii) On load change over siwtch 320 Amps ,4 pole 415 volts ,3 phase ,50 Hz AC - 01 NoOUTGOING(i) MCCB adjustable thermal magnetic release type of capacity 160 amps, 4 pole,25 kA.- 03 Nos. (ii) MCCB adjustable thermal magnetic release type of capacity 100 amps, 4 pole,16 kA.- 01 No. (iii) Indicating Lamp LED Type- 01 set (03 Nos)(iv) Multifunction meter digital type -01 No 32 Supply ,Fabricate, install, connect, test and commissioning Busbar chamber, powder coated, outdoor weather proof type, compartmentalised fabricated with3.15 mm thick CRCA steel and suitable sized pressed steel frame work, top with sloping canopy, bottom with detachable plates, front and rear with hinged type door and locking arrangements, chamber for cable entry and exit , chamber for aluminium busbars, separate compartment for switch gear,louvers and air vent for natural air flow, holes drilled for connection including suitable angle iron/flat iron frame work/ supports, excavation, earth work, PCC foundation etc., as required with and including following switch gear items internally connected with suitable capacity aluminium strip/ rods insulated, complete mounted on PCC pillarscomplete all as specified and comprising of the followings:- 33 (i) 4 Nos busbar ofequal size of Aluminium conductor with PVC coloured heat shrinkable type sleeves continuous rating of400 Ampsmounted on fibre reinforced insulator.(1set), with LED indication lamps-03 Nos for RYB phases on incoming side. (ii)MCCB fixed thermal magnetic release type of capacity 200 amps, 4 pole,36 kA.- 1 Nos. (iii) On load change over siwtch 200 Amps ,4 pole 415 volts ,3 phase ,50 Hz AC - 01 NoNote :MCCB shall be front handle operated. 34 LT Bus bar chamber cubical out door type weather/dust proof, factory made out of 3.15 mm thick CRCA sheet powder coated with front and back side openable with suitable cable chamber and front side shutters with locking arrangement panel base of angle iron 50x50x6 mm upto 45 cm height for 433 volts, 3 phase, 4 wire systemincluding Four Pole aluminium bus bar 400 amp capacity including control wiring with suitable size of PVC insulated stranded copper conductor and incoming/outgoing connection with aluminium busbar complete as per manufacture design complete mounted or fixed on PCC foundation above 0.45 mtr on floor and cable connection with suitable size of aluminium lugs and glands size of LT Panel 900mmx750mmx450mm complete 35 INCOMING:-(i) MCCB,200 Amp 4 pole, FE Frame,Ics=100% of Icu, 36 KA breaking capacity with adjustable Microprocessor release -01No(ii) Indicating Lamp LED Type - 01 set(iii) Multifunction meter digital type -01 No 36 Dismantling old unserviceable electrical poles of any type/size incl demolition of PCC work complete and taken on credit complete all as specified and as directed. 37 Supply and fix steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-31 (9.00 metres long) complete all as specified and directed. (Note: Earth work, PCC items shall be measured and paid separately under relevant items) 38 M&L for PCC (1:4:8) type D2,( using 40 mm graded aggregate) as in foundations, filling and mass concrete Complete all as specified and directed. 39 M&L for PCC (1:3:6) type C1, (using 20 mm graded aggregate) as in foundations, for coping, filling and mass concrete with cement plastering finishing all as specified and directed. 40 Taking down old unsv ftgs of any type/wattage form poles/bldg complete all as specified and as directed. 41 Supply and fix LED building security street light 60 W, made up of pressure die cast housing with toughed glass and individual high power LEDs with secondary optics, IP66 protection incuding drivers, connecter block etc complete pre wired & suitable bracket all as per dirtected 42 M&L for street light bracket suitable for street/security light fittings upto 1.5 RM make out of GI pipe of light grade up to 40 mm dia proper shaped, bended, threaded and drilling holes for wire entry and MS clamp of suitable sizein proper shape and designedcomplete all as directed and specified . 43 Material and labour for GI tubing light grade 40mm for cable protection laid in trenches in road crossing or fixed to wall/Pole complete all as specified and as directed. 44 Material and labour for GI tubing light grade 80 mm for cable protection laid in trenches in road crossing or fixed to wall/Pole complete all as specified and as directed. 45 M & L for Cutting of road/path for laying of GI tubing and making the good to disturbed road/ path including provision of PCC 1:2:4 type B-1 using 20mm graded stone aggregate all as specified and directed. 46 M&L for earthing complete with galvanised steel earth plate electrode of size60cm x 60cm x 3.15mm thick burried directly in ground vertically at a depth not less than 2.25 metredeep below normal ground level with top edge of the plate not lessthan1.5 metre below normal groundlevel surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers made of copper or brass and protected by light grade 15 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type C2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 5 of SSR Part I (2009)all as specified and directed . 47 M&L for earthing complete with galvanised steel earth plate electrode of size60cm x 60cm x 6mm thick burried directly in ground vertically at a depth not less than 2.25 metredeep below normal ground level with top edge of the plate not lessthan1.5 metre below normal groundlevel surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt, filling in alternate layer and electrode connections by using galvanised iron strip 32x6 mm dia by means of bolts, nuts, check nuts and washers made of copper or brass and protected by light grade 15 mm dia GI pipe connected to main switch board or main control board, and GI pipe light grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC 1: 2: 4 type C2 including excavation and earth work, disposal of surplus soil to a distance not exc. 50 mtr all as specified and as shown on Plate No 5 of SSR Part I (2009)all as specified and directed .
