REPAIR/ MAINTENANCE /REPLACEMENT OF LT U/G CABLES , OVERHEAD LINES , POLES , LT PANELS , MCCBS , JOINTS ,DIFFERENT TYPE OF LIGHTS AND CONNECTED ITEMS AT DIA ZONE, DIV ZONE, MAP BHASKER AREA UNDER AGE E/M-I OF GE (N) MAMUN

Amount

Dismantling old unserviceable steel poles/Strut any size and shifting n.exceeding 50 meters for setting aside for disposal action all as specified and directed .

Dismantling old unserviceable concrete pole/Strut any size and shifting n.exceeding 50 meters for setting aside for disposal action all as specified and directed.

Material and labour for erection of steel tubular swaged pole 9 mtr long with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP 31, including painting the poles with alternate layer of 30 cm, black and yellow paint with synthetic enamel paint upto 1.5 mtr above from the coping complete all as specified and directed.

Material and labour for prestressed cement concrete pole 9 mtr long, 102 mm x 172 mm at top and 102 mm x 279 mm at bottom class-10 complete, erected truly in vertical position and painting the poles with alternate layer of 30 cm, black and yellow paint with synthetic enamel paint upto 1.5 mtr above from the coping complete all as specified and directed.

Dismantling aluminium conductor of LT OH line after unbinding from insulators for replacement/re-stringing of damaged conductors including seggregating serviceable/unserviceable conductors for re-use or for shifting to MES store for taking credit to contractor all as specified .

Restringing of dismantled aluminium conductor on LT OH line with new aluminium binding wire including stretching with 3% sag, re-connecting of all cables disconnected jumpers with proper jointing with binding wire complete all as specified.

M&L in replacement ACSR of LT OH line including securing with insulators using aluminium binding wire, jointing jumpers etc including all disconnected cables, jumpers with proper binding complete all as specified.

Dismantling earth wire from LT OH line after unbinding from pole for re-use or for shifting to MES store for taking credit to contractor all as specified .

Restringing and restretching dismantled earth wire from LT OH line including securing with insulators using GI binding wire complete all as specified.

M&L for Galvanised steel earth wire of service feeder or distributor span of street light polesincluding binding with insulators using GI binding wire, jointing jumpers etc including connections of incoming and out going cables complete all as specified .

Dismantling cross-arms of M.S. channel or angle sections etc from LT poles complete and setting aside for re-use or shifting to MES store for taking credit to contractor all as specified.

Fixing only the cross arms items with supports/ angle iron frame etc incl nut, bolt, washer, welding, bending, hot or cold drilling holes for insulators bolts in any size or shape complete all as specified.

Material and labour for replacement Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed ,welding and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified.

Dismantling and taking old/UNSV stay assembly including Stay wire and insulator complete all as specified .

M&L for replacement stay assembly complete with MS stay plate of size 300x300x6mm thick, stay rod 20 mm dia, stay bow, nuts, bolts and check nuts of GI all as shown in EP No 01 of SSR Part-I, 2009 ( Excavation, PCC, saty wire and loop type insulators will be measured separately) complete all as specified.

M&L in replacmement galvanized stay strand of 7/4mm size complete all as specified and directed.

M&L in replacmement loop type insulator large size with overall dimensions (90 x140) mm with clearance of hole 25.5 mm vitreous white brown or green complete all as specified .

Dismantling insulators of any type, any size complete all as specified .

Fixing only shackle type insulators all as specified .

Fixing only pin type insulators all as specified .

M&L in replacmement shackle type insulator,100 mm height,115 mm dia, 31x5 mm strap,14 mm dia bolts Porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, washers, insulator bolts, washers and nuts, as under: complete all as specified.

M&L in replacmement Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100 mm height, 65 mm dia for 1100 volts grade complete all as specified.

Taking out LT cable,1100 volts grade heavy duty,aluminium conductor of size upto 25 Sqmm from trench/cable duct/through wall/pole carefully, removing defective length and stacking aside for re use or for taking credit to contractor all as specified and directed. Note: Excavation and other earth work shall be measured and paid seperately under relevant item.

All as per Srl Item 23 above but of size 35 Sqmm

All as per Srl Item 23 above but of size 50 Sqmm to 95 Sqmm

All as per Srl Item 23 above but of size 120 Sqmm to 185 Sqmm

All as per Srl Item 23 above but of size 240 Sqmm to 300 Sqmm

Laying only cable of size up to 25 sqmm all as specified and directed.

Laying only cable of size 35 sqmm all as specified and directed.

Laying only cable of size 50 to 95 sqmm all as specified and directed.

Laying only cable of size 120 to 185 sqmm all as specified and directed.

Laying only cable of size 240 to 300 sqmm all as specified and directed.

Supply,laying,connecting and testing in replacement XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100 Volt grade cross sectional area 300 Sqmm 3.5 core with aluminium termination lugs, laid in trench/cable duct/through wall/pole and making good disturbed surface complete all as specified.

All as per Srl item No 33 above but Size 240 sqmm 3.5 core.

All as per Srl item No 33 above but Size 185 sqmm 3.5 core

All as per Srl item No 33 above but Size 150 sqmm 3.5 core

All as per Srl item No 33 above but Size 120 sqmm 3.5 core

All as per Srl item No 33 above but Size 95 sqmm 3.5 core

All as per Srl item No 33 above but Size 70 sqmm 3.5 core

All as per Srl item No 33 above but Size 50 sqmm 3.5 core

All as per Srl item No 33 above but Size 35 sqmm 3.5 core

All as per Srl item No 33 above but Size 25 sqmm 3.5 core

All as per Srl item No 33 above but Size 16 sqmm 4 core

All as per Srl item No 33 above but Size 10 sqmm 4 core

M&L for Cable straight through jointing kit, heat shrinkable, 1100 volts grade complete with jointing material and accessories suitable for 2/3.5 core XLPE armoured aluminium conductor cable of size 25-50 sqmm size. Note: Cost of excavation,returning filling if required is deemed to be included in quoted rate.

All as per Srl item No 45 above but size of 70-150 sq mm, 3.5 core

All as per Srl item No 45 above but size of 185-240 sq mm, 3.5 core

Supply and fixing in replacement of GI tubing, light grade 40 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.(clamps for fixing pipe, nuts, bolts washers shall be measured separately )

All as per Srl item No 44 above but 50 mm bore

All as per Srl item No 44 above but 80 mm bore

All as per Srl item No 44 above but 100 mm bore

S&F in replacement MCCB 3 pole 415 volts , fixed type 100 Amps with breaking capacity 16 KA, thermal release adjustable from 80 to 100% & fixed magnetic release with Ics = 100% Icu, including spreadres after taking out old U/S one all as specified and directed.

S&F in replacement MCCB 3 pole 415 volts fixed type 200 Amps with breaking capacity 25 KA, thermal release adjustable from 80 to 100% & magnetic release adjustable from 5 to 10 In with Ics = 100% Icu including spreadres after taking out old U/S one all as specified and directed.

S&F in replacement MCCB 4 pole 415 volts fixed type 100 Amps with breaking capacity16 KA, thermal release adjustable from 80 to 100% & fixed magnetic release with Ics = 100% Icu , including spreaders after taking out old U/S one all as specified and directed.

S&F in replacement MCCB 4 pole 415 volts fixed type 200 Amps with breaking capacity 25KA thermal release adjustable from 80 to 100% & magnetic release adjustable from 5 to 10 In with Ics = 100% Icu, including spreaders after taking out old U/S one all as specified and directed .

All as per Srl item No 51 above above but 400 amps

All as per Srl item No 51 above but 630 amps

Supply and fixing LED street light 45W 230 volts with surge protection not less than 4 KV inbuilt in driver & minimum 10 KV separate in the light housing, power coated pressure die cast aluminimum housing, IP 65 protection, high power LED street light with heat resistent toughened glass lens and making electrical connections with twin core twisted copper conductor flexible copper wire of suitable size from street light to junction specified and as directed. Notes:- 1. Driver shall be potted antivibration type. 2. LM-79 and LM-80 for 50000 burning hours 3. CRI (Colou Rendring Index) of fixture shall be > 70. 4. CCT (Colout Correlated Temprature of fixture shall be 5700K ± 300 K. 5. System Lumen Efficacy shall be > 100Lm/W 6. 10 KV separate Surge Protection shall be provided as a part of fitting. 7. PCB used shall be MC PCB type 8 The fittings shall have arrangement so that maintaince required, if any can be carried out from Top cover.

Supply and fixing of 200 Watt, lP66 LED street light luminaries comprising of Die case aluminium housing with weather proof gasket of lamp and driver compartment with 120 degree view angle, lumen output > 100 Lum/ watt, lumen maintenance> 70 % at 50000 hrs, color temp 5000-6500K, CRI > 70, THD < 15%, PF > 0.95 and LM 80 test compliance. The driver must be integrated APFC with short circuit protection, reverse polarity protection against 5KV high surges and comply with IEC 60598-1, IEC-61000-3-2, IEC 61547. The luminaire must have secondary optics with perfectly matched lens for better light control with and making electrical connections with twin core twisted copper conductor flexible copper wire of suitable size from street light to junction specified and as directed.

Supply and fix Street light panel, Pole mounted outdoor type cubical panel suitable for maximum load of 6KW, 440 Volts ,3 phase, 4 wire, 50 cycles per second comprising of Incoming MCB TPN , 415 V, 40 Amp -01 , Contactor TP ,415 V of rating 32 Amps - 01, Digital Timer 24 Hr - 01 No , Toggle Switch - 01 No .

Supply and fixing in replacement street light mounting bracket ,fabricated to shape, made out of GI pipe, light grade,40/50 mm bore dia,120 cm long for mounting on PCC/Steel poles incl 02 X MS clamps of 30x5mm size with nut, bolt, washers etc and painting with two coats of aluminium paint over a coat of red oxide complete all as specified

All as per Srl item No 57 above but bore dia 25/32 mm

Supply and fix junction box water proof outdoor type made out of SMC sintex make of exterenal dimensions 250 x 250 x 105 mm single door type hinged with locking arrangement front operated with one number MCB 06 Amps capacity for housing 3 phase and neutral busbar including connecting the incoming/outgoing cables including cable glands SMC coated clamps bolts etc all as directed and fixed to the existing poles with mild steel flat of size 25 mm x 4 mm.

PVC multistranded copper cable twin core of size 1.5 Sqmm for connection from junction box to security light with 20mm PVC condit pipe for protection of PVC copper cable ccomplete all as specified and as directed.

M&L for Painting on steel tubular pole after sanded or etched and primed coated with a minimum of two finished coats of aluminium paint including writing pole No all as specified and as directed .

Supply and fix in replacement electronic driver suitable for LED fittings 45 watts any type and make all as specified and directed.Make : As per sample.

Supply and fix in replacement electronic driver suitable for LED fittings 60 watts any type and makeall as specified and directed .Make : As per sample.

Supply and fix in replacement surgeprotection device 10 kv any type and make all as specified and directed .Make : As per sample.

M&L for of old paint of LT panel with out removing accessories and preparation of surface for repainting and painting the steel surface with internally and externally with two coats of synthetic enamel paint over a coat of red oxide primer and including neccessary welding work where required with suitable items required such as hinges, locking handle, nuts, bolts and 50X50X4 mm thick MS angle iron frame complete all as specified .

Excavating in trenches in soft / loose soil, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation of poles, trenches for laying of cable, or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out complete all as specified and directed.

All as per Srl item No 76 above but n exc 1.5 m wide and exc 1.5 m and n exceeding 3.0 m in depth.

Removing excavated material to a distance not exceeding 50 Mtr and deposting where directed at a level not exc. 1.5 mtr above the starting point.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each all as required and directed.

Supply and laying of brick sub class 'B' laid dry in trenches over the cable adjoining each other widthwise for cable protection complete all as specified and as directed.

M&L for sand cushioning with a layer of sand 80mm thick before laying of cable and 150mm thick after laying of cable to trenches complete all as specified and directed.

Material and Labour for PCC 1:4:8 type D-2 using 40 mm graded stone aggregrate for foundation filling as mass concrete including necessary form work complete all as specified.

Material and Labour for PCC 1:3:6 type C-1 using 20 mm graded stone aggregrate for coping of poles and foundation of stay complete all as specified.

Trimming up of tree branches upto 3 mtr all around LT overhead lines including provision of cutting tools, supports and safety equipments, removing cut branches from site as directed. Note :- (i) The overhead lines shall be kept 3 meter clearance from the tree branches. (ii) Permission for shut down shall be informed to the concerned substation prior to the trimming and written permit shall be obtained by the contractor. (iii) Measurement shall be accountable for trimmed span only

Restretching ACSR, GI wire of LT OH line runing on poles by means of pulling jack maintaining sag not more than 3% in each span including replacment all binding wires in between all span and on terminations including jointing of all cable, jumper connection provided with new binding wire or jumpers complete all as specified and as directed.

M & L for Earthing complete with galvanised steel earth plate electrode 600 x 600 x 6.0 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground level)with top edge of earth plate not less than 1.5 meters below ground level connected by 25X4 mm GI strip as earth lead by means of nuts and bolt,thimbles, check nuts, washers of GI or steel including PCC (concrete chamber) shall be PCC 1:3:6 type C-1 using 20 mm graded stone aggregate,with fair finish,internal surface of concrete chamber shall be given internal dia 300mm x 300 mm dia,15 mm thick plaster in CM 1:4 funnel with wire guage mesh ,80 mm thick RCC pit cover 320mm x 320 mm of RCC 1:2:4 Type B1 using 20 mm graded stone aggregate reinforced with XPM jelly and charcoal ,dust and common salt all as shown in electrical plate No 5 of MES SSR Part -1 (1991) and specified including provision of GI strip upto 7.5 metre long protected by 40 mm dia medium grade pipe and watering pipe shall be 20 mm bore medium grade ,including all excavation and earth work and connecting the earthing to an earthing test point and to main switch board as specified and testing on completion complete all as specified and directed. Note: RCC pit cover shall be precast of RCC (1:2:4) type B1, 80 mm thick reinforced with XPM weighting not less than 4 kg/Sqm in lieu of CI cover.

M & L for Earthing complete with galvanised steel earth plate electrode 600 x 600 x 6.0 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground level)with top edge of earth plate not less than 1.5 meters below ground level connected by 25X4 mm GI strip as earth lead by means of nuts and bolt,thimbles, check nuts, washers of GI or steel including PCC (concrete chamber) shall be PCC 1:3:6 type C-1 using 20 mm graded stone aggregate,with fair finish,internal surface of concrete chamber shall be given internal dia 300mm x 300 mm dia,15 mm thick plaster in CM 1:4 funnel with wire guage mesh ,80 mm thick RCC pit cover 320mm x 320 mm of RCC 1:2:4 Type B1 using 20 mm graded stone aggregate reinforced with XPM jelly and charcoal ,dust and common salt all as shown in electrical plate No 5 of MES SSR Part -1 (1991) and specified including provision of GI strip upto 7.5 metre long protected by 40 mm dia medium grade pipe and watering pipe shall be 20 mm bore medium grade ,including all excavation and earth work and connecting the earthing to an earthing test point and to main switch board as specified and testing on completion complete all as specified and directed. Note: RCC pit cover shall be precast of RCC (1:2:4) type B1, 80 mm thick reinforced with XPM weighting not less than 4 kg/Sqm in lieu of CI cover.

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