MAINT AND REPAIR TO EXTERNAL ELECTRIC SUPPLY LT CABLES, MCCBS, LT PANELS AND CONNECTED WORKS AT OTM ACCN OF MH, PAO, MES ETC AT DSC RECORDS AND DSC CENTRE AT KANNUR MILITARY STATION UNDER GE (ARMY) TRIVANDRUM

Amount

M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, multi stranded 1100 volts grade, laid in trench, fixed on wall/pole drawn through pipe etc including taking down the existing unserviceable cable and making connection to LT panel/feeder pillar box/junction box through suitable size aluminium lugs and cable glands and testing complete all as specified and directed for cable of cross-sectional area 10 Sqmm, 4 Core

All as per item ser No 1 herein before but cable of cross-sectional area 16 Sqmm, 4 Core

All as per item ser No 1 herein before but cable of cross-sectional area 95 Sqmm, 3.5 Core

All as per item ser No 1 herein before but cable of cross-sectional area 185 Sqmm, 3.5 Core

M&L for cutting the existing Bituminous/Hard standing road surface for laying of cable /GI Pipe etc and providing Plain Cement concrete, 1:2:4, type B1 using 20mm graded stone aggregate for filling up the area of road cutting surfaces and making good the disturbed surface with existing surface and all as specified and directed. Note : Excavation earth work and PCC will be measured and paid separately under respective items.

Excavating in trenches in hard/dense soil, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth; for laying of LT UG cable, pipe, pole, stay etc and not exceeding 10 sq.m on plan including taking out and removal of old bricks laid over for protection of cable complete all as specified and directed.

Excavating in trenches in soft disintegrated rock, not exceeding 1.5 mtr wide and exceeding 1.5 Mtr and not exceeding 3 Mtr in depth; for laying of LT UG cable, pipe, pole, stay etc and not exceeding 10 sq.m on plan including taking out and removal of old bricks laid over for protection of cable complete all as specified and directed.

Returning, filling in using soil obtained from excavation including spreading, leveling, watering and well ramming in layers not exceeding 25 cm complete all as specified and directed.

Removing excavated surplus soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

M&L for sand filling with natural riddled soil as earth cushioning to cable by using IS sieve to separate the composite particle/roots etc and refilling in trenches and compacted in layers to form a solid bed covering to cable complete all as specified and directed.

M&L for sub class 'B' bricks old size, laid dry flat over the cable abutting each other, length of cable equal to width of brick as required complete all as specified and directed.

Supply and fix in replacement GI tubing light grade 50mm bore cut to size and fixed along the pole for cable protection including clamp 02 Nos of size 25mm x 4mm with nuts, bolts, washers etc complete all as specified and directed

Supply and fix in replacement GI tubing light grade 80mm bore cut to size and fixed along the pole for cable protection including clamp 02 Nos of size 25mm x 4mm with nuts, bolts, washers etc complete all as specified and directed

S&F in replacement bracket for street light fitting made out of 40 mm dia GI pipe light grade 1.2 mtr long each bent to required shape & size as directed by Engineer-in-charge and fixed to pole with and including flat iron clamps 02 Nos made out of 32 x 6mm flat iron including GI nuts, bolts &washer and painting of clamps and street light firtting bracket with one coat of red oxide primer, one under coat and one finishing coat with aluminium paint complete all as specified and directed.

Supply and fixing in repair LED street light fitting 45 Watt, 230 V AC outdoor type with high pressure die cast aluminum hosing with black epoxy powder coated and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 66 protection for optical compartment and control gear compartment.. The LED street light shall be integral type, use multiple LEDs to get sufficient light and top maintainable for easy maintenance. The input voltage range shall be 150 V to 270 V and the driver shall be of isolated type having power factor more than 0.95 complete all as specified and directed.

Supply and fixing in repair LED street light fitting 100 Watt, 230 V AC outdoor type with high pressure die cast aluminum hosing with black epoxy powder coated and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 66 protection for optical compartment and control gear compartment.. The LED street light shall be integral type, use multiple LEDs to get sufficient light and top maintainable for easy maintenance. The input voltage range shall be 150 V to 270 V and the driver shall be of isolated type having power factor more than 0.95 complete all as specified and directed.

Supply and fix in replacement old unserviceable single core PVC insulated and sheathed aluminium conductor cable od size 2.5 Sqmm down through the existing pole/GI pipe bracket including taking down the existing complete all as specified and directed.

Supply and fix in replacement PVC conduit heavy duty 25 mm bore cut to size and fixed along the pole for cable protection as required at site complete all as specified and directed.

S&F in repair 1100 volts grade heavy duty cable PVC insulated solid aluminium conductor of size 2 core x 10 Sqmm, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 metre apart including provision of 4mm dia suspension wire, one twin core cable flat or circular complete all as specified and directed.

Material and labour in replacement for PVC weather proof junction boxes pf size 250x 200x 100mm with PVC heavy duty connector 16 Amps 4 way, one number Single Pole MCB 6 Amps and making necessary cable connection complete all as specified and directed.

S&F MCCB 4 pole 100 Amps 415Volt 50Hz breaking capacity 16KA thermal magnetic release type including taking down existing unserviceable complete all as specified and directed.

S&F MCCB 4 pole 160 Amps 415Volt 50Hz breaking capacity 25KA thermal magnetic release type including taking down existing unserviceable complete all as specified and directed.

S&F MCCB 4 pole 200 Amps 415Volt 50Hz breaking capacity 36KA thermal magnetic release type including taking down existing unserviceable complete all as specified and directed.

S&F MCCB 4 pole 250 Amps 415Volt 50Hz breaking capacity 36KA thermal magnetic release type including taking down existing unserviceable complete all as specified and directed.

S&F MCCB 4 pole 400 Amps 415Volt 50Hz breaking capacity 50KA thermal magnetic release type including taking down existing unserviceable complete all as specified and directed.

M&L for repairing, servicing, painting and replacement of unserviceable parts of LT panels including complete broken accessories such as partialy open door, broken door, unserviceable aluminium bus bar, unserviceable/ broken locking arrangement, repairing of LT Panel legs, welding work, necessary PCC work, excavation and earth work including disconnecton and reconnection of cables with suitable size of aluminium lungs in proper engineering practice, for any size of cables in any capacity of LT panel also Fixing of LT Danger Notice plate in both side of the panel complete all as specified and directed.

M&L for painting of LT concrete pole of complete length, by applying one coat of white cement based paint after scraping/ brushing and cleaning the alage on pole and cross arms and a coat of white synthetic enamel painting to pole upto 1.5 mtr from ground level shall be painted by alternate layer of black and Yellow enamel paint (30 cms apart) Pole Number shall be wirtten on pole by black paint in yellow circle of 150mm dia. A coat of aluminium painting shall be done on cross arm and bracing, nut, bolts and washers etc after prep of surfaces complete all as specified and directed.

Trimming up of Bushes/ Tree branches upto 3 mtr all around security light poles both side of the road, removing cut branches from site as directed. Note :- (i) The overhead lines will be kept clear from all trees by trimming of tree branches with 3mtr all around the line. Necessary permission will be obtained from department by contractor one day prior to trimming in particular area and shut down of that area will be arranged by department. (ii) Only effected span at site shall be measured where tree branches are touching nearly HT/LT lines (iii) Effected 3 Metre span all around the pole/line shall be considerd as one Job

Dismantling of rusted/corroded cross-arms fixed on LT poles and removing unserviceable cross-arms from site complete all as specified and as directed.

M&L for 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 and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed

Dismantling of unserviceable/ perished ACSR conductor of any size from HT/LT overhead lines and removing the same from site complete all as specified and directed.

M&L for aluminium conductor steel reinforced (ACSR) (Weasel conductor 6x2.59+1x2.59 Al + steel) any size as directed on overhead LT electric line with stretching and tensioning with required span sag and binding the conductor with pin/shackle insulator with aluminium binding wire not less than 2mm dia, jointing jumbers etc complete all as specified and directed.

Dismantling of unserviceable insulators of any size and type from LT overhead lines complete all as specified and directed.

M&L for pin type insulator, porcelain vitreous, white, brown or green including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut, 100 mm height and 65 mm dia for 1100 volts grade complete all directed.

M&L for shackle type porcelain vitreous white, brown or green insulator of size 75mm height, 90mm dia (maximum) including galvanised steel fittings straps of section 31mmx3mm, washers, 12mm dia insulator bolts and nuts suitable for working pressure 1100 volts grade complete all as specified and directed.

M&L for Stay assembly complete with MS stay plate of size 300x300x6mm thick, stay rod 20mm dia, stay bow, nuts, bolts and check nuts of GI all as shown in EP No 01 of SSR Part I of 2009 including taking down the existing assembly complete all as specified and directed. Note : Excavation, PCC, Loop type insulator and stay wire shall be measured separately

M&L for galvanized steel Stay strand of size 7/4 mm including bow and clamps complete all as specified and directed.

M&L for loop type insulator, vitreous porcelain, white, brown or green large size, with overall dimensions 90mm x 140mm and clearance of hole 25.5mm complete all as specified and directed.

M&L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6mm thick buried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below normal ground level, connected to galvanised earth lead of GI strip of size 25x4mm by means of GI Bolts, Nuts, check nuts and washers of the earth and thimbles and other end of the earth strip connected to earthing test point and protected by galvanised iron pipe light grade 40mm bore from earth plate to Panel/DBs and water pipe 20mm bore GI medium grade raised up to a level of 50cm above ground level with plug at top, earthing pit in PCC (1:3:6) type C-1 RCC pre-cast (1:2:4 type B-1) cover slab of 50 mm thick using 8.00mm dia CTD bars reinforcement both ways at 140 mm centre to centre with handle, 20 mm bore GI pipe medium grade for watering pipe, wire mesh, funnel and providing charcoal or coke and salt in alternative layers of 15 cm including necessary earth work in soft/ loose soil, returning, refilling and removing of surplus soil to a distance not exceeding 50 mtr testing complete all as shown in electrical plate No-3 of MES Schedule Part-I of SSR-2009 complete all as specified and directed, including taking down existing unserviceable earthing complete all as specified and directed.

M& L for erecting of prestressed concrete pole, 9.0 metres long, 102mm x 152mm at top and 102mm x 289mm at bottom, class 10 inluding dismantling of unserviceable / broken electric prestressed/steel pole of any size and type by disconnecting all connections, demolition of concerted foundation and removing the same from site complete all as specified and directed. Note : Excavation and foundation concrete shall be measured and paid seperately

M&L for PCC 1:4:8 type D-2 with using 40mm graded stone aggregate as in foundation of poles and stay with necessary form work as required complete all as specified and directed.

M&L for PCC 1:3:6 type C-1 with using 20mm graded stone aggregate as in coping of poles with necessary form work as required complete all as specified and directed.

T.P.SUNIL KUMAR (BID ID -3100661)

Benchmark Engineers and Contractors (BID ID -3100686)

JEETH CONSTRUCTION (BID ID -3100742)