REPAIR AND MAINTENANCE OF HT LINE, VCBs, HT CONTROLLING DEVICES WITH CONNECTED ITEMS AND LT OH LINE, LT PANELS, UNDERGROUND CABLES WITH OTHER CONNECTED ITEMS UNDER GE NAGROTA

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in any type of soil for errection of HT/LT poles, laying of HT/LT UG cables and for provision of stay assembly complete all as specified and directed.

Returning, filling in, including spreading levelling, watering and well ramming in layers not exceeding 25 cm thick in any type of soil complete all as specified.

Removing excavated material not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point and to the entire satisfaction of Engineer-in-Charge complete all as specified and directed

Sand dry clean as cushioning to underground electric cable provided with a layer of 8cm deep before laying and 15cm over cable laid in trenches complete all as specified. Note:- Punned thickness of sand shall be measured.

M&L for Brick over cable laid in trenches as protection to cables with width equal to the length of bricks with well burnt sub class 'B' bricks (old size) complete all as specified.

Supply & Laying reinforced precast concrete cable cover, class EHV, type 1 with peak, size 450mm x 230mm x 50mm thick complete all as specified.

Supply & Laying in trench and fixed to Pole XLPE cable insulated screened, PVC bedded steel strip or wire,armoured, heavy duty electric power cable with aluminium conductor,11000 volts grade, cross-sectional area 95 Sqmm 3 core complete all as specified and directed . (Note : Excavation, returning and removal shall be measured and paid separately).

M & L heat shrinkinkable cable end joint suitable termination outdoor type for 3 core cable XLPE with aluminium conductor 11000 volt grade (earthed) of cross sectional area 95 sqmm complete kit with all accessories and jointing material and testing after jointing complete all as specified and directed by Engineer in charge.

Lightning arrestor non linear resistor type and complying with IS 3070 Part I 1985 for alternating current system multple spark gap suitable for voltage grade 11000 volts and having discharge capacity 65 KA complete with all fittings and all as specified.

Material and labour for switch Air break gang operated Triple pole, mechanically operated mounted on insulator & steel frame with operating mechanism worked from ground level for current rating upto 200 Amps 11000 Volts all with male & female contacts, post insulator 15 Nos, operating rod, handle etc and renewal of jumpers with heavy duty alkathine pipe cable connections including dismantling of old unserviceable switches vertical/horizontal mounted, including insulator & operating mechanism for repair/replacement of broken/worn out components and insulators etc complete all as specified.

Material & Labour for cross arms, bracings, supports, clamps and back plate fabricated from structural steel sections including nuts, bolts, washers, welding, bending, drilling of holes for bolts in any shape or size as indicated and applying two coats of aluminium paint over a coat of red oxide primer including dismantling of existing mild steel cross arm with clamps from LT poles of any height, place and position.

Supply and fix and draw ACSR Weasel/Squirrel conductor of size 06 strands of aluminium of 2.59/2.11 mm dia and 1 strand of steel of 2.59/2.11 mm dia on LT poles, bringing the sag within limit fixing on Insulator/Cross arms by means of necessary binding with 16 SWG aluminium binding wire and providing alkathine pipe of approved quality for jumpers, reconnecting the service connections after removing the carbon material including taking down ACSR conductor of any size & type from LT poles at any height position and place complete all as specified and directed by Engr-in-Charge.

Supply and errect pre-stressed concrete pole 11 Mtr long of size 152 mm x 152 mm at top and 152 mm x 260 mm at bottom, Class-9, with earthing strip on top & bottom of the poles, including Dismantling of existing HT poles of any description (tubuler/steel/RCC) by cutting from the bottom including the existing connection, channels, clamps nuts, bolts, etc. Note :- Excavation including refilling & removing material/Concrete work shall be measured & paid separetely

Material & Labour for stay assembly comprising of stay bow (4000 x 14mm), stay rod 215 cm long and 20 mm dia with nuts, stay plate 300 x 300 x 6 mm thick and 2 nos of thimble complete as shown in electric plate no 1 of SSR part-1 connected to loop type insulator, including dismantling old unserviceable stay assembly complete including loop insulator wire etc from LT poles NOTE :- Earth work excavation, concrete and loop type insulator shall be measured and paid separetely under relevent items of Sch 'A'.

Supply and fix LT loop type insulators, vitreous, porcelain brown, white or green insulators for working pressure of 1100 volts grade of large size with over all dimensions 90 x 140 mm clearance of hole 25.50 mm including dismantling of existing LT loop type insulator from LT poles of any height place and position.

Supply and fix HT Pin type insulator, porcelain, vitreous, white, brown or green insulator including one galvanised iron mild steel spindle two galvanised iron washers and one galvanised iron nuts, 150 mm height, 150 mm dia for conductor 11000 volts grade including dismantling of existing HT pin type insulator from HT poles of any height, place, and position.

Supply and fix LT Pin type insulator, porcelain, vitreous, white, brown or green insulator including one galvanised iron mild steel spindle two galvanised iron washers and one galvanised iron nuts, 100 mm height, 65 mm dia for conductor 1100 volts grade including dismantling of existing LT pin type insulator from HT poles of any height, place, and position.

Supply and fix LT shackle type insulators, vitreous, porcelain brown, white or green insulators for working pressure of 1100 volts grade of 90 mm dia, 75mm height including galavnised mild steel strips 31 x 3 mm size and 12 mm dia bolts, nuts, and washers on existing cross arms including dismantling of existing LT shackle type insulator from LT poles of any height place and position.

S&F Galvanised stay wire stranded of size 7/4 mm including necessary binding, strengthening complete all as directed

Material and labour for cement concrete 1:4:8 type D2 using 40mm graded crushed stone aggregate for foundation of poles/stays complete all as specified and directed by Engineer in Charge..

Material and labour for PCC (1:2:4) type B-2, using 40 mm graded crushed stone aggregate for making good the road cutting complete all as specified and directed by Engineer in Charge.

M & L for laying, connecting and testing of 1100 volts grade LT XLPE insulated screened, PVC bedded galvanised steel strip or wire armoured, heavy duty electric power cable with aluminium conductor of size and type complete all as specified and directed including dismantling and taking down existing old LT cable of any size and type from pole/duct/trench/floor/wall/pipe etc with cable end boxes, glands, bricks etc with necessary disconnection work and keep in safe custody for the following size of cables:- Note:- (i) Excavation and earth work, sand cushioning, bricks & cable protection pipe will be measured & paid under appropriate items of Schedule 'A'

Cable of size 4 core 10 Sqmm

Cable of size 4 core 16 Sqmm

Cable of size 4 core 25 Sqmm

Cable of size 3.5 core 35 Sqmm

Cable of size 3.5 core 50 Sqmm

Material and labour for 80 mm dia light grade GI tubing with all fittings for cable protection laid in trenches, fixed on wall/pole with necessary fixing arrangements including dismantling the old pipe.

Material and labour for 50 mm dia light grade GI tubing with all fittings for cable protection laid in trenches, fixed on wall/pole with necessary fixing arrangements including dismantling the old pipe.

Material and labour for 40 mm dia light grade GI tubing with all fittings for cable protection laid in trenches, fixed on wall/pole with necessary fixing arrangements including dismantling the old pipe.

Material and labour for earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25M deep below natural ground level ) with top edge of plate not less than 1.5M below normal ground level, surrounded from all sides alternate packed layer of char coal dust and comman salt and electrode connected with galvanised iron earth lead wire 4mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 of SSR part I including necessary earth work in any type of strata, foundation of pit and wall using PCC 1:3:6 type C1 using 20mm graded crushed stone aggregate, 40 mm thick pit cover slab using RCC 1:2:4 type B0 using 12.50 mm graded crushed stone aggregate with 6 mm dia MS bar @ 100 mm C/C both ways GI medium grade 20 mm dia pipe for watering including funnel with wire mesh and 15 mm bore GI light grade pipe for earth lead wire protection up tp 7.5 mtr complete all as directed including testing complete on completion.

All as per Srl item No. 31 above but using 32x6 mm GI earth strip as a earth lead & 40 mm dia light grade GI protection pipe complete all as specified & directed Note for Srl item Nos. 31 & 32 (i) GI wire/strip or protection pipe 15mm/40mm dia upto 7.5 RM included the quoted rate. (ii) The qty above the 7.5 RM shall be measured & paid separetely

M&L for earth continuity conductor or main earthing lead 4 mm dia GI or steel wire fixed to wall on batten or recessed or buried in ground or drawn in conduit/pipe all as required at site.

Supply & fixing for GI strip 32x6mm on wall/batten or recessed or buried in ground all as directed by Engineer-in-Charge.

M&L for scraping/rubbing of old painted surfaces of (RCC) concrete poles of any description and length not exc 7.5 above ground level erected in vertical position in LT OH line & painting two coats of cement based paint 6 mtr from top of the pole onward & remaining with black & white paint strip in 30 cm width alternatively upto ground level & numbering the pole with white paint on black paint base 20 cm dia circular/square shape complete all as specified and directed by Engineer-in-Charge.

M&L for scraping/rubbing of old painted surfaces of (RCC) concrete poles of any description and length not exc 9 above ground level erected in vertical position in HT OH line & painting two coats of cement based paint 7.5 mtr from top of the pole onward & remaining with black & white paint strip in 30 cm width alternatively upto ground level & numbering the pole with white paint on black paint base 20 cm dia circular/square shape complete all as specified and directed by Engineer-in-Charge.

M&L for Preparing old pained surfaces of steel tubular poles sewaged pole of any description and length not exc 9 above ground level erected in vertical position in HT OH line including cross arms of angle iron/ channel section clamps brackets etc with one coat of aluminium paint 7.5 mtr from top of the pole onward & remaining with black & white paint strip in 30 cm width alternatively upto ground level & numbering the pole with white paint on black paint base 20 cm dia circular/square shape complete all as specified and directed by Engineer-in-Charge.

M&L for Preparing old pained surfaces of steel tubular poles sewaged pole of any description and length not exc 7.5 above ground level erected in vertical position in LT OH line including cross arms of angle iron/ channel section clamps brackets etc with one coat of aluminium paint 6 mtr from top of the pole onward & remaining with black & white paint strip in 30 cm width alternatively upto ground level & numbering the pole with white paint on black paint base 20 cm dia circular/square shape complete all as specified and directed by Engineer-in-Charge.

Restringing of existing LT over head line of ACSR conductor after opening of binding wire from insulator & bringing the sag within limit rebinding the same with insulator with 16 SWG aluminium wire all including renewal of jumpers with providing alkathine pipe of approved quality of jumpers, reconnecting the service connection after removing the carbon material complete all as directed by Engineer in Charge.

Note:- Schedule of credit Rs. 1,14,160.00 will be deducted from total amount quoted while accepting the bid. Details of schedule of credit is given in tender documents.

M/S MANJIT SINGH AND SONS

Kalsi Engineers and contractors

ASHOKA ENGINEERS AND BUILDERS

VIJAY BUILDERS

R K BUILDERS