REAIRS AND MAINTENANCE OF LT OVERHEAD LINE LT PANEL, EARTHING, UG CABLE AND CERTAIN MISC E M WKS IN ZONE I AND III AT UMROI MIL STN UNDER GE UMROI

Amount

Excavation in trenches in soft/loose soil not exceeding 1.5 mtr deep and not exceeding 1.5 mtr wide for laying of cable and erection of poles all as specified and directed.

Removing excavated material n.exceeding 50 m and depositing at a level n.exc 1.5 m above the starting point all as specified & directed.

Returning, filling in including spreading, leveling, watering and well ramming excavated soft/loose soil in layers, all as specified and directed.

Material & Labour for sand cushioning to under ground cable using locally available fine clean dry river sand over,under ground UG cable laid in treches and gently punning to cushioning to cable complete all as directed. Note : For the purpose of payment only punned thickness will be measured.

Material & Labour for common burnt clay building bricks (locally available best quality), sub-class ‘B’ designation 75 of suitable size available in market to cover LT underground cables, laid dry and flat abutting each other with gaps not exceeding 10mm including taking down old unserviceable bricks complete all as specified and directed.

Material & Labour for plain cement concrete (1:3:6) type C-2 using 40 mm graded stone aggregate in foundation of pole / strut etc including necessary form work all as specified and directed.

Taking up/down UG cable of 240 sqmm 3 1/2 core size from trenches, ducts, floor, pipes, poles, etc. and removing unserviceable cables from site of work complete all as directed. (Note: Excavation and earth work will be measured & paid separately)

All as per Sr. Item No.7 here in before but cable size of 120 sqmm 3 1/2 core

All as per Sr. Item No.7 here in before but cable size of 95 sqmm 3 1/2 core

All as per Sr. Item No.7 here in before but cable size of 70 sqmm 3 1/2 core

All as per Sr. Item No.7 here in before but cable size of 50 sqmm 3 1/2 core

All as per Sr. Item No.7 here in before but cable size of 35 sqmm 3 1/2 core

All as per Sr. Item No.7 here in before but cable size of 25 sqmm 3 1/2 core

All as per Sr. Item No.7 here in before but cable size of 16 sqmm 4 core

All as per Sr. Item No.7 here in before but cable size of 10 sqmm 2 core

Supply, laying connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty) of size 240 sqmm 3 & 1/2 core, aluminium stranded conductor 1100 volts grade, laid through duct/ pipe / in trench etc. including cable glands & lugs complete all as specified and directed.

All as per Sr. Item No.16 here in before but cable size of 120 sqmm 3 1/2 core

All as per Sr. Item No.16 here in before but cable size of 95 sqmm 3 1/2 core

All as per Sr. Item No.16 here in before but cable size of 70 sqmm 3 1/2 core

All as per Sr. Item No.16 here in before but cable size of 50 sqmm 3 1/2 core

All as per Sr. Item No.16 here in before but cable size of 35 sqmm 3 1/2 core

All as per Sr. Item No.16 here in before but cable size of 25 sqmm 3 1/2 core

All as per Sr. Item No.16 here in before but cable size of 16 sqmm 4 core

All as per Sr. Item No.16 here in before but cable size of 10 sqmm 2 core

Taking down old unserviceable GI tubing light grade of size 40 mm dia complete all as specified and directed

Taking down old unserviceable GI tubing light grade of size 50 mm dia complete all as specified and directed

Taking down old unserviceable GI tubing light grade of size 80 mm dia complete all as specified and directed

Supply & fix 40 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed.

Supply & fix 50 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed.

Supply & fix 80 mm bore GI tubing “light grade” in trenches/ on pole for protection of cables complete all as specified & directed.

Supply and fix 100 mm height and 65 mm dia pin type, porcelain, vitreous, white, down or green insulator, conforming to IS-2486 for 1100 Volts grade including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut and including taking down old u/s complete all as specified and directed

Supply and fix 75 mm height and 90 mm dia shackle type, porcelain, vitreous, white, down or green insulator, conforming to IS-2486 for 1100 Volts grade including galvanised mild steel straps of size 31 x x3mm, galvanised iron washers, insulator bolts 12mm dia, washers and nuts and including taking down old u/s complete all as specified and directed

Dismantling of insulator of any size/type and setting aside the serviceable insulator for reuse at site and removing unserviceable insulators from site of work complete all as directed.

Dismantling of stay assembly embedded in concrete including demolition of concrete, etc and removing unserviceable materials from site of work complete all as directed by Engr-in-charge.

Material & Labourf or loop type insulator, viterous porcelain, white, brown or green, large size with overall dimensions 65mmx 90 mm clearance of hole 16 mm and including taking down old u/s complete all as specified and directed.

Material & Labour for loop type insulator, viterous porcelain, white, brown or green, large size with overall dimensions 90x140mm clearance of hole 25.5mm and including taking down old u/s complete all as specified and directed.

Material & Labour for plain cement concrete 1:3:6, type C2, (using 40mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and directed.

Material & Labour for plain cement concrete 1:3:6, type C1, (using 20mm graded stone aggregate) as in coping including necessary use & waste of form work complete all as specified and directed.

Material & Labour for restringing of LT lines with permissible sag including properly binding with insulators, etc. for 4 wire line (3 Phase and neutral) complete all as specified and directed.

Material & Labour for restringing of LT lines with permissible sag including properly binding with insulators, etc. for 2 wire line (single Phase and neutral) complete all as specified and directed. Note:- 2wire will be measured as one length.

Material and labour for GI wire 4mm dia fixed to LT pole for earth continuity conductor including taking down old unsv GI wire complete all as specified and directed

Material & Labour for Earthing complete with Galvanised steel earth plate 60cmx60cmx6mm thick electrode, buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 m below ground level , connected to GI earth strip 25 X 4mm up to test point by means of bolts ,nuts , check nuts and washers of GI including excavation and earth work, PCC 1:3:6 type C-1 pit, 20mm dia GI pipe medium grade, watering pipe and 20 mm bore GI pipe, light grade for protection of earth strip, MS angle iron frame 40x40x3mm, 10mm thick RCC 1:2:4 type B-1 cover reinforced with 6mm dia MS bars @ 75mm C/C both ways and with MS handle made out of 12mm dia bars, PGI Funnel, wire mesh etc complete all as shown in electrical Plate No 03 of SSR Part-I and connected to earthing test point all as specified or indicated including testing on completion including taking down old u/s excavation and earthwork shall be included in quoted rate

Supply and fix PVC spacers 2 way for LT OH line 1100 volts grade with necessary screws nuts bolts etc complete all as directed to prevent the lines touching each other on heavy wind as a preventive arrangement to the existing system including removing the existing old/ out lived spacers complete all as specified and directed and including taking down old u/s as credit.

Supply and fix PVC spacers 4 way for LT OH line 1100 volts grade with necessary screws nuts bolts etc complete all as directed to prevent the lines touching each other on heavy wind as a preventive arrangement to the existing system including removing the existing old/ out lived spacers complete all as specified and directedand including taking down old u/s as credit. Note:- The spacers if damage while carrying out the work shall be replaced with new one by the contractor without any extra cost.

Supply & fixing Aluminium lugs suitable for UG cable of size 3.5/4 core 16 to 35 sqmm including respective size of lugs and taking down unserviceable.

Supply & fixing Aluminium lugs suitable for UG cable of size 3.5 core 50 to 95 sqmm including respective size of lugs and taking down unserviceable.

Supply & fixing Aluminium lugs suitable for UG cable of size 3.5 core 120 to 150 sqmm including respective size of lugs and taking down unserviceable.

Supply & fixing Aluminium lugs suitable for UG cable of size 3.5 core 185 to 240 sqmm including respective size of lugs for the neutral cable and taking down unserviceable.

Supply & fixing Aluminium lugs suitable for UG cable of size 3.5 core 300 to 400 sqmm including respective size of lugs and taking down unserviceable.

Material & Labourfor MCCB 4 pole, 100-125 Amps, 50 Hz, 415V with breaking capacity 30 KA including necessary modification to accommodate the MCCB wherever required and including taking down the old unserviceable MCCB complete all as specified and directed. Make : L&T Cat No CM90679OOLO or equivalent in specified makes

Material & Labourfor MCCB 4 pole, 125-160 Amps, 50 Hz, 415V with breaking capacity 36 KA including necessary modification to accommodate the MCCB wherever required and including taking down the old unserviceable MCCB complete all as specified and directed. Make : L&T Cat No CM90634OOMO or as equivalent in specified makes.

Material & Labourfor MCCB 4 pole,160- 200 Amps, 50 Hz, 415V with breaking capacity 36 KA including necessary modification to accommodate the MCCB wherever required and including taking down the old unserviceable MCCB complete all as specified and directed. Make : L&T Cat No CM9063400NO or equivalent make of Legrand/ABB/Siemens/Schneider

Material & Labourfor MCCB 4 pole, 200-250 Amps, 50 Hz, 415V with breaking capacity 36 KA including necessary modification to accommodate the MCCB wherever required and including taking down the old unserviceable MCCB complete all as specified and directed. Make : L&T Cat No CM98065OOPO or as equivalent in specified make.

Material & Labourfor MCCB 4 pole, 320-400 Amps, 50 Hz, 415V with breaking capacity 50 KA including necessary modification to accommodate the MCCB wherever required and including taking down the old unserviceable MCCB complete all as specified and directed. Make : L&T Cat No CM98404OORO or as equivalent specified make.

Cutting tree branches, any girth, below, top and around the LT OH line and clearing not less than two mtrs around the line and keeping the line clearance through out the contract period by trimming the branches repeatedly as many as times required depending on the growth of new branches including clearing the site by depositing the branches to a distance not exceeding 50 m all as directed by Engr-in - Charge.

Material & Labourfor making straight through joint (Resin cast type kits) for underground cable including jointing kits and labour complete for making joint suitable for LT 1100 volt UG cable PVC/XLPE sheathed armoured heavy duty cable with aluminium conductor 50 to 95 Sqmm, 3.5 core including taking down the old unserviceable joint complete all as specified and as directed.

Material & Labourfor making straight through joint (Resin cast type kits) for underground cable including jointing kits and labour complete for making joint suitable for LT 1100 volt UG cable PVC/XLPE sheathed armoured heavy duty cable with aluminium conductor 120 to 150 Sqmm, 3.5 core including taking down the old unserviceable joint complete all as specified and as directed.

Supply & fix phase indicator lamps LED type moulded single piece (Red/Yellow/Blue) suitable for LT panel after taking out the old U/S indicator lamps .

Supply and fix HT 11 KV, 150 mm height and 150 mm dia pin type insulator, porcelain, viterous, white/brown/green, conforming to IS-2486 for 11000 Volts grade including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron complete all as specified and directed by Engr-in-charge and including taking down old u/s.

Supply and fix disc type insulator, porcelain, viterous, 145mm high and 225mm dia ball and socket type, white, brown or green, single disc assembly for working pressure 11000 Volts, conforming to IS-731 and IS-3188 including tension clamp complete all as specified and directed by Engr-in-charge and including taking down old u/s.

Supply, install, testing and commssioning expulsion lightning arrestors expulsion type complete with all fittings, 30 kilo amp discharge capacity, distribution class including dismantling of existing lightening arrestor complete all as specified and as directed by Engr-in-charge and including taking down old u/s

Repair/servicing to gang operating devices 11000 volts up to 400 amps including greasing all the moving parts and applying white petroleum jelly at the contact points including dismantling and replacing all the un-serviceable parts/spares all as directed. Note:- All the spares replaced will be measured and paid separately under respective items of Schedule 'A'.

Material & Labourfor jumper connections between GOD and drop out fuses and transformers with ACSR conductor 6/1X3.35 mm (rabbit) not exe. 2 mtr long including necessary lugs where ever required /aluminum heavy duty PG clamps / binding properly without any loose contact all as directed after removing the old jumpers including PVC sleeve not more than 1.70 Rm complete all as specified and directed.

Material & Labourfor jumper connections between GOD and drop out fuses and transformers with ACSR conductor 6/1X3.35 mm (rabbit) exe. 2 mtr but not exc 3.50 mtr long including necessary lugs where ever required /aluminum heavy duty PG clamps / binding properly without any loose contact all as directed after removing the old jumpers including PVC sleeve not more than 3.20 Rm complete all as specified and directed.

Material & Labourfor GI strip of 25mmx4 mm for extending the 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 and fix as in repairs complete al as directed.

Supply and filling of fresh transformer oil conforming to ISD-335/BS dielectric strength 40 kV at the gap of 4 mm and topping up to the entire satisfaction of Engineer-in-Charge complete.

Dehydration and filtration of transformer oil by mechanical plant to achieve to dielectric strength of 40 KV at gap of 4 mm and re-filling the same (oil drained out before opening the transformer) complete Note :- (a) Dehydration plant to be brought at site by the contractor. (b) Dehydration and filtration to be carried out when the transformer is on load at site and rate quoted shall deemed to be included the cost of arrangement of plant by the contractor and its transportation at site. (c) Before filtration the transformer oil Dielectric strength to be tested.

Supply and fix the silica jell container (breather) including silica jell suitable for the transformers of capacity 100 KAVA to 400 KAVA after dismantling the old U/S breather.

Supply and replace dry silica gel to the transformers of capacity 100 KAVA to 400 KAVA after taking out the existing fully moisturized silica jell.

Replacement of existing unserviceable HT bushing complete with HT brass rod including gasket set (Set of three) etc. with new set complete of 250KVA.

Replacement of existing unserviceable LT bushing complete with LT brass rod including gasket set etc. (set of four) with new complete of 250KVA.

Demolation and dismantling cement concrete in floors and paving not exceeding 15 cm thickness(below or above ground level) complete and removing from site all as specified and as directed.

Material & Labourfor plain cement concrete (1:4:8) type D-2 using 40 mm graded stone aggregate in foundation of pole / strut etc including necessary form work all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair Switch air break, gang operated triple pole mechanically operated mounted on with 9 insulator and steel frame with operating mechanism working from ground level current rating upto 400A, 11000 V grade having nine insulators, vertical type including dismantling of existing air break gang operated switch and removal the same from site.

Supply and fixing in repair expulsion drop out fuse carrier assembly outdoor type 400 Amps capacity including fuse element up to 60 Amps and insulator suitable for HT 11 KV complete and dismantling of existing fuse carrier assembly and removal the same from site all as specified and as directed.

Material & Labourfor Painting of Transformer complete with conservator & fins of capacity 160 to 500 KVA , 11/.433 KV out door / in door type with two coats of synthetic enamelled gray spray painting including preparation of old surfaces and writing SM No complete all as specified and directed by Engr -in charge.

Material & Labourfor cross arms bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending in cold or hot , drilling holes for bolts , in any shape or size as indicated or directed and including painting with two coats of synthetic enamel paint over a coat of red oxide primer all as specified .

Dismantling of old/rusted aluminium conductor steel reinforced of any size and removing the same from site of work all as specified and directed by Engineer-in-Charge.

Material & Labour of aluminium conductor steel reinforced (ACSR) on pole ,stringing properly on insulators and binding with aluminium binding wire , jumpers etc complete for any size ( Mink , Dog ,Ferret ,Weasel ,Squirel of conductor. Note : - Measurement & Payment shall be made by measuring horizontal distance between centre of two adjaacent pole and adding 3% extra for sag , joints and jumper etc .

Supply and fixing in repair of galvanised steel wire 4mm dia as earth conductor run along the over head line duly binded with metallic cross arms and armour of cable at the end pole complete .

Material & Labourfo stay assembly complete comprising of MS galvanised stay plate 30cm x 30 cm x 6mm , MS galvanised stay rod 16 mm dia with nut,215 cm long , MS galvanised stay bow 40 cm long with 02 Nos galvanised thimbles with and including all fittings as shown in electrical plate No 1 of SSR Part-I (loop type insulator, stay clamps, excavation and concrete measured separately).

Supply & Fix galvanised stay strand 7/3.251 mm for stay of poles complete .

Material & Labour steel tubular sewaged pole 9 mtr long complete with MS bas plate,finial taper plug nut bolts, screws as specified type 410SP-31 as per relevant IS specification including two coat of aluminium paint over a coat of red oxide primer including taking down old unserviceable and removing from site complete all as directed by Engr-in-charge(earth work/excavation PCC shall be measured and paid seprately under relevant item of schedule). Note- taking down of old pole is included in the quoted item rate.

Material & Labour for painting steel tubular poles 9 mtr height with one coat of aluminium paint from bottom to top including cross arms etc after cleaning and preparing the surface and marking alternate yellow and black strips 30 cm height total 5 Nos with two coats of synthetic enamel point over a coat of primer complete all as specified and as directed.

Material and labour for earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick, burried directly in ground (earth pit not less than 2.25 m below normal ground level) with top edge of the plate not less than 1.5 m below normal ground level connected to earth lead wire 4 mm dia by means of nuts, bolts and washers of galvanised iron and earth lead protected by galvanised iron pipe 15 mm bore (light grade) and connected to earth test point and including cement concrete pit in PCC (1:3:6) type C-1(using 20 mm graded aggregate) and pre-cast RCC cover slab of size 540 x 540 x 50 mm thick, reinforced with 8 mm dia TMT bars both ways and one handle for lifting made with 10 mm dia mild steel bar,funnel, wire mesh 20 mm bore galvanised (light grade) for watering, charcoal and salt in alternate layers including necessary excavation and eath works in any types of soil complete all as shown on Electrical plate No 3 of MES Schedule Part I including taking out the old earthing material complete all as specified and directed.

Supply & Fix of LED decorative bollard light with aluminium pipe housing with glare free PMMA Diffuser,IP 65 H=600 MM including 20x20x30 cm foundation of PCC 1:4:8 complete all as specified and as directed by Engr-in-charge. Make : Halonix cat part No. HLOB-03-10-CW or as equivalent in specified makes.

Supply & Fix LED decorative post top lanterns of capacity 25W/24W for new generation, post -top, energy saving, environmental friendly, long life aesthetically designed with symmetrical light distribution, spun aluminium landscape luminaire with high power LEDs as light source including taking down old unserviceable post top lantern of HPSV/HPMV/MH of any capacity. Make : Havells Cat No. CORALPT25WLED757PSYMTOPC or Halonix Cat No. HLPT-04-25-CW or as equivalent in specified makes

Supply & Fix Energy saving,environmental friendly, long life, exclusive innovative die-casting aluminium IP66 flood light, suitable for highlighting architectural facade and general purpose lighting complete after taking down old U/S one. Make : Havells, Model: JETAIRISFLS100WLED757SYMLTG or Halonix Cat No. HLFLD-ML-17-100CWL-HL2-P equivalent in specified makes.

Supply & Fix LED decorative Bollad light for new generation,post -top,energy saving,environmental friendly,long life aesthetically designed with symmetrical light distribution,spun aluminium landscape luminaire with high power LEDs as light source including taking down old unserviceable bollard light of any capacity , make : Havells Cat No. BAMBOOBL8WLED857SSYMTOPCM or equivalent in specified makes

Supply & laying for Sub main wiring with two runs of single core 4 Sqmm (Nominal Area) FRLS PVC insulated and unsheathed multi standed copper conductor cable LT 1100 volts grade drawn thorugh and including PVC casing capping of adequate size fixed on surfafce of wall/ceiling with all necessary fittings and accessaries and 1 run of FRLS PVC insulated and unsheathed insulated single core cable with multi standered copper conductor of size 2.5 Sqmm as earth wire (green in colour) run through casing capping and connected common earth dolly including taking out the old sub main wiring two run of 4 Sqmm cable one run of casing capping and one run of 2.5 Sqmm earth continuity wire for connection to DBs/dolly shall be deemed to be included in this item and shall be measured as one run complete all as specified and directed.

H K Enterprise

M/S UMESH.CO