REPAIR MAINTENANCE OF HT CABLES OVERHEAD LINES AND ALLIED WORKS UNDER EXTERNAL ELECTRIFICATION AT BAIRAGARH BHOPAL UNDER GE BHOPAL

Amount

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0 in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and exceeding 1.5 m but not exceeding 3 m in depth and getting out in hard/ dense soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling hand punning down complete all as specified and directed Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

Supply & laying unreinforced precast concrete cable cover class HV type 2, flat shape, dimension 450 mm X 180 mm X 40 mm as per IS 5820: 1970 complete all as specified and directed.

Disconnecting, taking out old unserviceable under ground cable of rated voltage 19 kV/ 33 kV, nominal cross sectional area of main conductor 185 sqmm, upto 4 core, any type from trenches including taking out concrete cable cover/ bricks etc. including removing materials to store for keeping in safe custody or for reuse or for taking credit (credit for above items should be made as per conditions separately) all as specified and directed by the Engineer-in-Charge.

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 19 kV/ 33 kV, three phase, earthed system, 3 core, screened, armoured power cable, 185 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing complete all as specified and as directed.

S & F XLPE cable end termination, heat shrinkable, outdoor type complete with jointing material and accessories suitable for voltage 19 kV/ 33 Kv (Earthed), 3 core, 120 sqmm to 185 sqmm complete all as specified and as directed.

Supplying & laying in trenches, in road cutting and along pole 150 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

M & L in repairs for danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with mild steel clamps, bolts and nuts of approved size, for HT, 250 mm X 200 mm complete all as specified and as directed.

Supply and erection in repairs of three piece metal oxide lightning arrestor suitable for 33 kV continuous operating voltage (3 phase) with rated voltage 36 kV (rms) with nominal discharge current rating of 2.5 kA and complete with galvanised clamping arrangements, GI bolts, nuts, washers etc. complete as specified and as directed.

Dismantling air break gang operated switches vertical/horizontal mounted including insulators and operating mechanism and taken on schedule of credit complete all as specified and as directed.

Supply and replace for DO fuse assembly, triple pole mounted on polymer HT insulator 6 Nos and mild steel galvanised steel frame rating upto 200 Amp, 33 kV complete with DO fuse and electrical connections, jumpering by ACSR conductor and connectors complete all as specified and directed.

Supply and replace for 33 kV Drop out fuse assembly, double stack channel type , triple pole mounted on porcelain HT insulator 6 Nos and mild steel galvanised steel frame rating upto 200 Amp, 33 kV complete with DO fuse and electrical connections, jumpering by ACSR conductor and connectors complete all as specified and directed.

S & F gang operated air break switch, three poles, outdoor type, nominal system voltage 33 kV, rated voltage 36 kV, rated normal current 200 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 70 kV (rms) (ii) across the isolating distance 80 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 170 kV (Peak) (ii) across the isolating distance 195 kV (Peak), Rated short-time withstand current 20 kA for 3 seconds, rated peak withstand current 50 kA for climatic conditions at the site, mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level for current complete all as specified and as directed.

S & F gang operated air break switch, three poles, outdoor type, nominal system voltage 33 kV, rated voltage 36 kV, rated normal current 400 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 70 kV (rms) (ii) across the isolating distance 80 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 170 kV (Peak) (ii) across the isolating distance 195 kV (Peak), Rated short-time withstand current 20 kA for 3 seconds, rated peak withstand current 50 kA for climatic conditions at the site, mechanically operated mounted on polymer insulator and steel frame with operating mechanism worked from ground level for current complete all as specified and as directed.

Dismantling existing air break gang operated switches vertical/horizontal mounted including insulators and operating mechanism for repair/ replacement of broken/worn out components and insulators etc. of capacity 200 Amp/ 400 Amp, 33 kV and replacement of unserviceable parts providing new as per existing size and gauge as required at site of the complete all as specified and as directed. Note: Unserviceable spare parts/ components shall be measured and paid separately as supply only.

Supply and fix male contact /moving contact blade for gang operated air break switch

Supply and fix female contact/fix contact jaw for gang operated air break switch

Supply and fix tinned copper flexible jumper for gang operated air break switch

Supply and fix mild steel jumper carrier for gang operated air break switch

Supply and fix back connector plate for gang operated air break switch

Dismantling insulators any type, any size complete all as specified and as directed.

S & F porcelain pin insulator, Type B, Nominal System voltage 33 kV, highest system voltage 36 kV, visible discharge test voltage 27 kV, wet power frequency withstand voltage 75 kV, power frequency puncture withheld voltage 180 kV, impulse withstand voltage 170 kV, minimum total creepage distance 580 mm, minimum failing load 10 kN, of suitable size with galvanised steel insulator pin, nut, washers complete all as specified and as directed.

S & F porcelain disc insulator, ball and socket type, Type B, Nominal System voltage 33 kV, highest system voltage 36 kV, visible discharge test voltage 27 kV, wet power frequency withstand voltage 75 kV, impulse withstand voltage 170 kV, minimum total creepage distance 580 mm, minimum failing load 70 kN, of suitable size with galvanised steel stud pin, nut, washers complete all as specified and as directed.

S & F porcelain line post insulator, Type B, Nominal System voltage 33 kV, highest system voltage 36 kV, visible discharge test voltage 27 kV, wet power frequency withstand voltage 75 kV, power frequency puncture withheld voltage 180 kV, impulse withstand voltage 170 kV, minimum total creepage distance 580 mm, minimum failing load 10 kN, of suitable size with galvanised steel stud pin, nut, washers complete all as specified and as directed.

S & F polymeric composite disc insulator, ball and socket type, Type B, Nominal System voltage 33 kV, highest system voltage 36 kV, visible discharge test voltage 27 kV, wet power frequency withstand voltage 75 kV, impulse withstand voltage 170 kV, minimum total creepage distance 580 mm, minimum failing load 70 kN, of suitable size with galvanised steel stud pin, nut, washers complete all as specified and as directed.

S & F polymer pin insulator, Type B, Nominal System voltage 33 kV, highest system voltage 36 kV, visible discharge test voltage 27 kV, wet power frequency withstand voltage 75 kV, power frequency puncture withheld voltage 180 kV, impulse withstand voltage 170 kV, minimum total creepage distance 580 mm, minimum failing load 10 kN, of suitable size with galvanised steel insulator pin, nut, washers complete all as specified and as directed.

Dismantling cross-arms of mild steel channel or angle sections etc. complete and setting aside for re-use or removing to store or for schedule of credit

Fixing only 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 applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed.

M & L for cross arms, bracings, supports, clamps, back plates and stay clamp 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 applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

S & F in repairs 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 32 mm X 6 mm galvanised mild steel strip complete all as specified and as directed.

Preparation of old or previously untreated steel surfaces of any description, over 10 cm width or girth and applying two coats of synthetic enamel paint complete all as specified and as directed by Engineer-in-Charge.

M & L for preparing and painting and painting on steel tubular swaged pole 410 SP-31 (9.00 metre long) including cross arms, GI brackets with two coats of aluminium paint over a coat of aluminium red oxide primer on exposed portion and including making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

M & L for preparing and painting and painting on steel tubular swaged pole 410 SP-55 (11.00 metre long) including cross arms, GI brackets with two coats of aluminium paint over a coat of aluminium red oxide primer on exposed portion and including making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

M & L for preparing and painting and painting on steel tubular swaged pole 410 SP-64 (12.00 metre long) including cross arms, GI brackets with two coats of aluminium paint over a coat of aluminium red oxide primer on exposed portion and including making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

Preparation of old painted steel surfaces of any description, over 10 cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed by Engineer-in-Charge.

M & L for preparation of old steel surfaces and applying one coat of Aluminium paint complete all specified and directed.

Preparation of old steel surface of any description not exceeding 10 cm width or girth and applying two coata of synthetic enamel paint complete all as specified and as directed by Engineer-in-Charge

Preparation of old steel surface of any description not exceeding 10 cm width or girth and applying two coats of aluminium paint complete all as specified and as directed by Engineer-in-Charge

Preparation of old steel surface of any description not exceeding 10 cm width or girth and applying one coat of aluminium paint complete all as specified and as directed by Engineer-in-Charge

M & L for preparing and painting on prestressed concrete pole, 11.00 metres long, 152 mm X 152 mm at top and 152 mm X 260 mm at bottom, with two coats of cement base paint on exposed portion including painting on cross arms, street light brackets with two coats of aluminium paint over a coat of aluminium red oxide primer and including making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and as directed.

M & L for loose filling with broken stone or boulder aggregates of gauge 40 to 80 mm in soakage pits, soakage wells, on open space etc. complete all as specified and as directed.

Surface dressing of installation/sub station area by removing of grass, creepers, etc. from the roof of the building, in fencing and surrounding area of installation building complete all as specified and directed.

M & L for trimming of branches of trees touching HT/LT Electric over head line and making clear about 3 m in radius and carrying and disposal where directed not exceeding 50 m complete all as directed. Note :- Vehicle will be provided by department at spare time.

Dismantling steel poles/ struts, any size, transporting to store and stacking or for schedule of credit

Dismantling concrete poles/ struts, any size, setting aside for reuse within 50 metres

M & L for steel tubular swaged pole 410 SP-55 (11.0 metre long) including CI base plate, finial taper plug, bolts, nuts & screws as per IS 2713 Part -I & II including painting with two coats of aluminium paint over a coat of red oxide zinc chrome primer on exposed portion and making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and two coats of anticorrosive paint over a coat of red oxide primer to embedded portion of pole including making good to match existing area complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete M10 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in lintels upto 1.5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs, slab staging for water tanks, filling of pressed steel door frame, fixing of hold fasts and the like including weathering, slightly rounded or chamfered angles and throating including necessary formworks complete all as specified and directed by Engineer- in-charge.

Supply & connect in replacement of battery 180 AH, 25 plate with initial Charger Specific gravity 12.60 of 12 volts complete all as directed by Engineer-in-Charge. (Make:- EXIDE/Amron or equivalent)

Restringing only ACSR (aluminium conductor galvanized steel-reinforced) of any size and type in accordance with site requirement and binding on insulator by means of 22 gauge aluminium binding wire to permissible sag complete all as specified and as directed.

M & L for dismantling of overhead ACSR (aluminium conductor galvanized steel-reinforced) or galvanised mild steel wire of any size and any type from pole, lowering down to facilitate tree cutting or trimming and refixing and stringing ACSR (aluminium conductor galvanized steel-reinforced) and galvanised mild steel wire of any size and any type and binding on insulator by means of 22 gauge aluminium binding wire to permissible sag complete all as specified and as directed. Note 1: Each line shall be measured and paid separately. Note 2: Tree cutting shall be measured and paid separately.

M & L for tightening and re stringing of existing GI wire of any size/type on HT/LT overhead line with the help of rope/line wise and tightening the conductor to permissible sag complete all as specified and as directed.

Dismantling ACSR or AAC conductors removing to store or taken on schedule of credit complete all as specified and as directed.

Supply, fixing and stringing ACSR (aluminium conductor galvanized steel-reinforced) of any size and type in accordance with site requirement and binding on insulator by means of 22 gauge aluminium binding wire to permissible sag complete all as specified and as directed.

S & F in repairs 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 4 mm dia galvanised mild steel wire complete all as specified and as directed.

M & L in repairs for cradles, hexagonal/rectangular, fabricated with galvanised steel wire 3.15 mm or 4 mm dia complete all as specified and as directed.

S & F in repairs ACSR (aluminium conductor galvanized steel-reinforced) of any size and type in accordance with site requirement in jumper including PVC sleeve (in Red/Yellow/Black colour) and binding on insulator by means of 22 gauge aluminium binding wire complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in road cutting complete all as specified and as directed.

M & L for making road cutting surfaces good using 200 mm thick hardcore (broken stone or boulders) of gauge not exceeding 63 mm, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface and using cement concrete M15 (Nominal Mix) using 40 mm nominal size graded crushed stone aggregate 150 mm thick finished even and fair and using earth filling for remaining depth complete all as specified and as directed.

Supplying & laying including taking town in trenches, in road cutting and along pole 100 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

M & L for stay assembly of stay rod of diameter 20 mm complete with accessories as shown in electrical plate No. 1 (loop type insulator, stay clamps, excavation and concrete measured separately) complete all as specified and as directed.

M & L for hot dip galvanized stay strands of grade I, 7 Nos wires construction, wire diameter 3.15 mm, nominal strand diameter 9.45 mm, heavy zinc coating complete all as specified and as directed.

M & L for loop type insulator (porcelain guy strain insulator), large size, with overall dimensions 140 mm X 85 mm, cable hole dia 25 mm, creepage distance 57 mm, minimum failing load 88000 N, vitreous porcelain, white, brown or green, Designation C as per IS 5300: 1969 complete all as specified and as directed.

M & L for shifting of 33 kV/ 433 V, 315 kVA transformer from old damaged platform to new platform within the premises/ installation with help of Hydra (Recovery) after disconnecting all connections, earthings, conductors, cables etc. and installation at new location including connecting all connections, earthings, conductors, cables etc. complete all as specified and as directed.

M & L for brick work with sub class 'B' bricks, non-modular sizes as per IS 1077: 1992, straight or curved on plan exceeding 6 m mean radius built in cement mortar 1:6 complete all as specified and as directed.

Material and labour for plastering 10 mm thick on fair faces of brick work or concrete surfaces (on vertical surfaces) in cement mortar 1:6 finished even and smooth without using extra cement complete all as specified and as directed.

M & L for spray painting of transformers (any type power or distribution)) of capacity upto and including 250 kVA ( in situ ) outdoor type, installed and located at different sites in scattered area under the GE including the following: - (a) preparation of old surfaces by cleaning, scrapping, rubbing/ polishing etc. complete. (b) Spray painting with two coats of synthetic enamel paint of approved make / quality all as directed at site. (c) Writing the SM MES No of transformer on MS body of transformer all as directed .

M & L for spray painting of transformers (any type power or distribution)) of capacity above 300 kVA and upto and including 500 kVA ( in situ ) outdoor type, installed and located at different sites in scattered area under the GE including the following: - (a) preparation of old surfaces by cleaning, scrapping, rubbing/ polishing etc. complete. (b) Spray painting with two coats of synthetic enamel paint of approved make / quality all as directed at site. (c) Writing the SM MES No of transformer on MS body of transformer all as directed.

M & L for preparation of old steel surfaces of fencing any mesh size and any nominal dia and applying one coat of Aluminium paint complete all specified and directed.

Preparation of newly plastered surfaces on walls and applying two coats of white wash complete all as specified and as directed.

M & L for testing of earthings using calibrated earth tester & submitting results complete all as specified and as directed.

M & L for pouring water mixed with common salt (sodium chloride) in concentration of 5 percent salt content complete all as specified and as directed.

M & L for repair of concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter complete all as specified and as directed.

M & L for painting on wall with synthetic enamel paint of black colour of 200 mm X 150 mm size and writing work for earth test result with date & year complete all as specified and as directed.

ELITE WORKS

Oasis Infosystem Private Limited

POONAM ELECTRIC INDUSTRY