Tender For Repairs/Replacement of Lt External Electrification distribution Network And Connected Accessories At A, B & Darea Under Ge Chennai; 1 Excavation in trenches not exc 1.5m in width and 1.5 m in depth and getting out excavated soft/loose soil complete all as specified and as directed. 2 Returning filling in including spreading, levelling, watering and well ramming in layers not exc 25cm complete all as specified and as directed. 3 Removing excavated material / soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed. 4 Supply and layfine sieved excavated dry soilcushioning spreading levelling for cable trenches complete all as specified and directed. (Note: Punned thickness only shall be measured and paid.) 5 Supply and laying well burnt bricks sub class B in trenches for cable protection of U/G cable complete all as specified and directed. 6 Taking out the existing PVC/XLPE, 1100 volts grade,LT UG electric cable of size 25 sqmm x 3.5 corefrom trenches/ walls (or) passing through pipes/in floor, removing the unserviceable fault cable andcarefully stacking the serviceable cable for reusing complete all as specified and directed.Note:- Excavation and Earth work shall be measured and paid separately under appropriate item. 7 All as per item No.6abovebut35 sqmm 3.5 core 8 All as per item No.6 abovebut50 sqmm 3.5 core 9 All as per item No.6 abovebut70 sqmm 3.5 core 10 All as per item No.6 abovebut95 sqmm 3.5 core 11 All as per item No.6 abovebut150 sqmm 3.5 core 12 All as per item No.6 abovebut185 sqmm 3.5 core 13 All as per item No.6 abovebut240 sqmm 3.5 core 14 Laying only the under ground cable any typeobtained fromItems No -06 above in trench/wall/floor etc are connecting with suitable cable lugs/sleeves etc, size 25sqmm 3.5 corecomplete all as specified and directed . 15 Laying only the under ground cable any typeobtained fromItems No -07 above in trench/wall/floor etc are connecting with suitable cable lugs/sleeves etc, size 35sqmm 3.5 corecomplete all as specified and directed . 16 Laying only the under ground cable any typeobtained fromItems No -08 above in trench/wall/floor etc are connecting with suitable cable lugs/sleeves etc, size 50sqmm 3.5 corecomplete all as specified and directed . 17 Laying only the under ground cable any typeobtained fromItems No -09 above in trench/wall/floor etc are connecting with suitable cable lugs/sleeves etc, size 70sqmm 3.5 corecomplete all as specified and directed . 18 Laying only the under ground cable any typeobtained fromItems No -10 above in trench/wall/floor etc are connecting with suitable cable lugs/sleeves etc, size 95sqmm 3.5 corecomplete all as specified and directed . 19 Laying only the under ground cable any typeobtained fromItems No -11 above in trench/wall/floor etc are connecting with suitable cable lugs/sleeves etc, size 150sqmm 3.5 corecomplete all as specified and directed . 20 Laying only the under ground cable any typeobtained fromItems No -12 above in trench/wall/floor etc are connecting with suitable cable lugs/sleeves etc, size 185sqmm 3.5 corecomplete all as specified and directed . 21 Laying only the under ground cable any typeobtained fromItems No -13 above in trench/wall/floor etc are connecting with suitable cable lugs/sleeves etc, size 240sqmm 3.5 corecomplete all as specified and directed . 22 Supply & Lay in trenches, fixed on wall (or) passing through pipes/in floors, connecting up, testing and commissioning of XLPE insulated armoured LT UG electric cable with aluminium conductor 1100V grade of size 25 sqmm 3.5 core complete all as specified and as directed. 23 All as per item No. 22.00 above but 35 sqmm 3.5 core 24 All as per item No. 22.00 above but 50 sqmm 3.5 core 25 All as per item No. 22.00 above but 70 sqmm 3.5 core 26 All as per item No. 22.00 above but 90 sqmm 3.5 core 27 All as per item No. 22.00 above but 150 sqmm 3.5 core 28 All as per item No. 22.00 above but 185 sqmm 3.5 core 29 All as per item No. 22.00 above but 240 sqmm 3.5 core 30 Supply and jointing straight through heat shrink joint kit for PVC/XLPE LT UG cable including taking down old existing one of size 25 to 50 sqmm 3.5 core complete all as specified and as directed. 31 Supply and jointing straight through heat shrink joint kit for PVC/XLPE LT UG cable including taking down old existing one of size 95 sqmm 3.5 core complete all as specified and as directed. 32 Supply and jointing straight through heat shrink joint kit for PVC/XLPE LT UG cable including taking down old existing one of size 150to 185 sqmm 3.5 core complete all as specified and as directed. 33 Supply and jointing straight through heat shrink joint kit for PVC/XLPE LT UG cable including taking down old existing one of size 240to 300 sqmm 3.5 core complete all as specified and as directed. 34 M & L for GI pipe light grade of size 50 mm in trenches /fixed on walls by suitable clamps and jointing including taking down existing old pipes complete all as specified and as directed. 35 M & L for GI pipe light grade of size 80 mm in trenches /fixed on walls by suitable clamps and jointing including taking down existing old pipes complete all as specified and as directed. 36 M & L for GI pipe light grade of size 100 mm in trenches /fixed on walls by suitable clamps and jointing including taking down existing old pipes complete all as specified and as directed. 37 S&F for PCC type C1 1:3:6 (20mm graded aggregate) as in foundations, filling and mass concrete complete all as specified and directed. 38 Fabrication and installation of cable route indicatormade out of 10 mm thick CI plate , oval shape of suitable size and embossed withMark ofMES LT Cable including 30 cm length angle iron support and embedded in and including PCC,including taking down existing old one complete all as specified and as directed. 39 M & L for Steel tubular swaged poles complete with cast iron base plate, finial taperplug, bolts, nuts and screws,type 410 SP-22 ( 8.5metres long) including taking down existing old unserviceable ones complete all as specified and as directed. 40 Excavation in trenches additional 1.5m or partthere of in depth beyond the first 1.5 m and getting out excavated soil soft/loose soil complete all as specified and as directed. 41 S& F for precast Cement concrete typeB2 1:2:4 (20mm graded aggregate for copping complete all as specified and directed. 42 S& F for precast Cement concrete type C-11:3:6 (40mm graded aggregate (for foundation) complete all as specified and directed. 43 M&L for opening LT, 1100V, ACB front and back side complete after taking shutdown , cleaning, dusting inside & out side ofACB greasing oiling the mechanical parts of ACB and complete servicing including the replacement of the following :-(a) Replacement of tripping coil 440V(b) Replacement of contacts(c)Replacement of wiring for tripping coil(d) Replacement of indicating lamps(e) Replacement of internal wiring for indicating lamps 44 S&F MCCB adjustable thermal & magnetic setting 415V, 3 pole, 50Hz of capacity 63Amps 16 KA including taking out old u/s one complete all as specified and directed. 45 S&F MCCB adjustable thermal & magnetic setting 415V, 3 pole, 50Hz of capacity 100Amps 16 KA including taking out old u/s one complete all as specified and directed. 46 S&F MCCB adjustable thermal & magnetic setting 415V, 3 pole, 50Hz of capacity 125 Amps 16 KA including taking out old u/s one complete all as specified and directed. 47 S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 160 Amps 36 KA including taking out old u/s one complete all as specified and directed. 48 S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 200 Amps 36 KA including taking out old u/s one complete all as specified and directed. 49 S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 250 Amps 36 KA including taking out old u/s onecomplete all as specified and directed. 50 S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 350 Amps 36 KA including taking out old u/s one complete all as specified and directed. 51 S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 400 Amps 36 KA including taking out old u/s onecomplete all as specified and directed. 52 S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 500 Amps 36 KA including taking out old u/s one complete all as specified and directed. 53 S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 630 Amps 36 KA including taking out old u/s one complete all as specified and directed. 54 S& F for GI earthing strip 25x4 mm with nut and bolts complete includingtaking downold one allas specified and directed. 55 S&F of GI Strip ISI marked of size 32 x6 mm complete with nuts, bolts and washers, buried in ground including excavation and taking down existing old ones complete andall as specified and directed. 56 Supply , install, testing and commissioning of cubical housing cabinet type LT feeder pillar of outdoor type, platform mounted factory made, totally enclosed dust and vermin proof openablefrom both front and rear side made out of 3mm thick CRCA (Cold Rolled Cold Annealed) MS Sheet, Powder coated, CPRI approvedhaving front and rear hinged doors, lifting lugs (2 Nos) , earthing strips at rear side , bottom detachable gland plate complete with suitable size zinc plated and passivated nut, bolts , spring and washers. Necessaryfoundation work as per manufacturer instructionincluding foundation and including taking down the old panelrequired at site and comprising following:-Note :- (i)The rate deemed to be inclusive of disconnecting theLT cable and reconnecting the same with suitable size of cable glands and connecting complete.(ii)LT danger noticewith conventional skull and bones indication written with English and local language. 57 Incoming (a) S&Ffor Electrolytic grade high conductivitysolid 4 Nos Alubus bars, rated 800 amps supported at required intervals sleeved with heat shrinkable PVC sleeves.The bars shall be colour coded at required intervals for identification- 04 Nos(b )S&F for LED Indicating lamps for Main Supplyindicating R, Y B- 01 Set of 3(C ) S&F Digital Multi Function meterNos -01 (d )S&F for MCCB 630 Amp 50 KA 4 pole Thermal magnetic setting complete- N0s -01(e)Change over 400 AMps 4 pole complete Outgoing (a )S&FMCCB of 4 poleof capacity100 amps, with breaking capacity of16 KA with fixed thermal & fixed magnetic setting- 02 Nos (b )S&FMCCB of 4 poleof capacity125amps, with breaking capacity of16 KA with fixed thermal & fixed magnetic setting- 02 Nos (c )S&FMCCB of 4 poleof capacity200amps, with breaking capacity of36 KA with fixed thermal & fixed magnetic setting- 02 Nos(d )S&FMCCB of 4 poleof capacity250amps, with breaking capacity of36 KA with fixed thermal & fixed magnetic setting- 02 Nos (e)S&FMCCB of 4 poleof capacity315amps, with breaking capacity of36 KA with fixed thermal & fixed magnetic setting- 01 No 58 Material and labour for finding out the cable fault of any size of cable upto LT underground cableand of any capacity of cable with the help of cable fault locator mounting on vehicle and with necessary disconnection of cable from two ends andmaking connection by joining after repairs and having the following items with electrician at site to findfault ofup to length of 10 KM cable complete all as specified and directed by Engr-in-Charge with help of the following accessories- (a) Surge Generator with accessories(b) Head Phone(c) Pin Point Set T-505 with accessories(d) Earthing cable with clamp (e) Cable fault Locator T-905 with accessories (f) TC-808 with accessories (g) Soldering Iron/wire/capacitor unit/capacitor connecting cables/ power cable/nose plier. Notes: Excavation for the cable fault shall be done by the contractor by his own arrangement. 59 Earthing complete with galvanisedsteel earth plate electrode of size60cm x 60cm x6 mm thick buried directly in ground( earth pit not less than 2.25 m deep below the normal ground level) with top edge of the plate not less than 1.5m below normal GL connected to GI earth strip of size 32x6 mm by means ofbolts, nuts, check nuts washers of GI or steel all asshown in electrical plate No-5 of SSR Part I connected to machinery/equipments installed power house/sub station all as specified including testing on completion complete all as specified and as directed. Note: The unit rate shall also include for excavation earth work in any type of soil PCC (1:3:6) type C1 pit RCC 1:2:4 type B-1 cover reinforced with 8 mm dia CTD bars @ 150mm C/C both ways funnel with 15mm bore GI watering pipe 20mm dia bore GI protection pipe wire mesh and copper lugs complete in addition to item No 1(a) to (e) of preamble ( Notes) Under sub heading earthing specified on SI page NO-389 of SSR Part-II 2004.
