Repair/maint of HT UG cable, GOD, 11 KV HT OH lines, 02 pole/04 pole structure and connected items at various substation at Mil Stn Yol

Amount

Excavating in trenches in hard and dense soil, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan and n exc 1.5 m in depth and getting out complete all as specified and directed.

Returning filling in (soil) including spreading, levelling, watering and well ramming in layers n.exc 25cms thick in any type of soil complete all as specified and directed.

Removing excavated materials/ soils, not exceeding 50mtrs and depositing where directed at a level not exceeding 1.50mtrs, complete all as specified and directed.

Sand cushioning to protection of underground cables, laid 8 cm before laying and 15cm after laying of cable, and punned to form an overall layer of 18cm thick, complete all as specified and directed Note: Punned thickness 18cm shall be measured.

Un-reinforced precast concrete cable cover, class HV, Type 2, with peak, size 450mmx l80mm x 40mm for laying in trenches for cable protection laid adjacent to each other length wise perpendicular to the central axis of cable complete all as specified.

Mild steel galvanised iron tubing light grade for cable protection as in road crossing, along poles, walls, floors, drain of 80mm size fixed with MS clamps, nuts and bolts required, including taking out old tubing complete all as specified and directed.

Supply, jointing, fixing or passing through pipe, trenches or ducts, commissioning and testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (Heavy duty) with aluminium conductor, 11000 Volts grade, cross sectional area 95Sqmm, 3 core, suitable for 11 KV earthed system confirming to IS 7098 Part-2 for insulation and for conductors Class 2 to IS 8130-84, in trenches, floors, ducts passing through pipe for road crossing etc,including connecting & testing and disconnecting and taking down of old unserviceable HT cable complete all as specified and directed. (Note : Excavation, earth work, Cable cover, sand cushioning and GI pipe etc shall be measured &paid for separately).

Supply, jointing, fixing or passing through pipe, trenches or ducts, commissioning and testing XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (Heavy duty) with aluminium conductor, 11000 Volts grade, cross sectional area 120 Sqmm, 3 core, suitable for 11 KV earthed system confirming to IS 7098 Part-2 for insulation and for conductors Class 2 to IS 8130-84, in trenches, floors, ducts passing through pipe for road crossing etc,including connecting & testing and disconnecting and taking down of old unserviceable HT cable complete all as specified and directed. (Note : Excavation, earth work, Cable cover, sand cushioning and GI pipe etc shall be measured &paid for separately).

Renewal of cable Jointing kit out door, heat shrinkable type suitable for XLPE cable of size 95 sqmm 3 core with working voltage 11000 volts removing existing unserviceable joint, including earth work complete, all as specified and as directed.

Renewal of cable Jointing kit out door, heat shrinkable type suitable for XLPE cable of size 120 sqmm 3 core with working voltage 11000 volts removing existing unserviceable joint, including earth work complete, all as specified and as directed.

Renewal of cable Jointing kit indoor, heat shrinkable type suitable for XLPE cable of size 95 sqmm 3 core with working voltage 11000 volts removing existing unserviceable joint, including earth work complete, all as specified and as directed.

Renewal of cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm including cutting and removing existing unserviceable joint, including earth work complete, all as specified and as directed.

Taking out old GOD and Supply, installing, testing and commissioning of air break gang operated triple switch (GOD) outdoor type, vertical mounting type of capacity 200 Amp with drop out fuse consisting 15 insulators,ISI marked mechanically operated, mounted on insulator and frame work with operating GI rods and mechanical work from ground level with locking arrangement including Godrej pad lock with two keys complete with fuse carrier and HT fuse element having upto 200 Amp rating suitable for HT 11 KV 50 HZ AC supply including necessary electric connection complete all as specified and directed.

Dismantling air break gang operated switches vertical/horizontal mounted including insulators and operating mechanism for repair/ replacement of broken/worn out components and insulators etc complete all as specified and directed. Note-: Rate for spare/components for replacement shall deemed to be include in the quoted rate.

Structural steel work as in cross arms, bracings, supports, clamp and back plate fabricated from steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed by Engineer-in-Charge and applying two coats of aluminium paint over one coat of red oxide zinc chrome primer including preparation of surfaces and dismantling old structural steel work in cross arms and stacking at site, complete all as specified & directed.

Renewal of pin type insulator porcelain, vitreous, white/brown or green including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut, 150mm dia and 150mm height for working pressure 11000 volts grade includng taking down existing insulators and removing from site, complete all as specified.

Renewal of disc type insulator, porcelain, vitreous 145 mm height and 255 mm dia ball and socket type, white, brown or green disc, 'Two-in-series' assembly for tension with tension clamps for conductor, working pressure 11000 volts grade, includng taking down existing insulators and removing from site complete all as specified and directed.

Renewal of lightning arresters (Set of three) expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp for 11000 volts including taking out old unservicable arrester and removing from site complete all as specified and directed.

Cutting and removing existing wild grass, vegetation, creepers, small plants / bushes etc clamping up towards the poles and stays etc including cleaning bottom surface area of pole &stay not less than 1m x 1m by surface dressing of earth outside and inside substations, perimeter fencing around pump house area, and in drains surrounding area from site complete all as specified and directed.

Detection of any type of fault in HT underground line (laid in soil at plane area or forest area) with the help of Cable fault locator machine complete all as specified and directed. Note-: (i) Cable fault locator with carring vehicle will be provided by contractor (ii) faulty cable will be trace out by the contractor by meggering HT cable.

Renewal of male contact / moving contact blade with arching horn having brass contacts suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing on post insulator or any other indicated situation all as required at site or directed by Engr In charge.

Renewal of female contact spring loaded having brass contacts suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing on post insulator or any other indicated situation all as required at site or directed by Engr In charge.

Renewal of handle suitable for GOD operation complete all as specified and directed.

Taking down old broken GI wire & Supply, laying, and stringing GI earth wire on poles for continuous earth wire and cradles hexagonal / rectangular fabricated out of 4 mm dia galvanised steel wire including and binding complete all as specified and directed

Unbinding from insulators, ACSR conductor any size of HT over head line for repairs, restretching of ACSR conductor to achieve proper sag and rewinding to the insulators using aluminium/ GI wire all as required at site or directed. Note:- Distance between two poles irrespective of distance and no of lengths of conductor shall be considered as a single span.

Cable route indicator showing "HT 11 KV Cable" and route of cable with arrow made of CI in suitable eliptical/round shape and fixed on angle iron 40x40x6mm, 800mm long painted in Brown Colour with two coats of synthetic enamel paint cover a coat of red oxide primer duly embaded in PCC block (0.40x0.40x0.40)mtr including in ground and 0.15mtr above ground lable complete all as directed and specified.

Dismantling and taking down old UNSV HT Bus Panel & Supply , installation ,testing & commissioning of totally enclosed modular type weldless bolted type outdoor( HT Bus bar panel ) IP55 fabricated out of 3.15 mm thick CRCA sheet dust and vermin proof powder coated including locking arrangement bus bar chamber enclosed complete suitable for operation on 11000 volts 50 Hz AC supply having legs 50 cms made out of 50x50x6 mm angle iron embeded in brick masonry platform of size as required or approved by engineer-in-charge in brick masonry in 1:4 and PCC foundation (1:4:8) D-2 type and plaster work in CM 1:6 including earth work complete comprising of following -: (a) 50x10 sqmm cross section area conductive electrolyte grade 3 nos copper bus bar of length of 500 Amps with heat shrinkable sleeve duly colour coded. (b) Bakelite insulators having short circuit withstand capacity of 26.3 KA -01(Set of three) Note : (i) The Panel should be front operated with cable entry from the bottom with cable glands. The fault withstand capacity shall be 50 KA. Earth bus shall be part of the main HT Bus Bar Panel . (ii) Width of HT Bus Bar Panel shall not be less than the 120 cm. (iii) Cost for construction of platform for panel of brick masonary deemed to be included in the quoted rate.

Road cutting for laying of cable or under the road or hardstanding by manual for road crossing for using GI tubing of any size for cable protection and after laying repair the road by using semidense asphaltic concrete (25-40 mm thick ) complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 metre deep below normal ground level) with top edge of plate not less than 1.5 metre below ground level, connecting to galvanised iron strip 32X6 mm size (as earth lead strip), by means of bolt, nuts, check nuts and washer of galvanised and earth wire protected by provision of galvanised iron pipe light grade, 40 mm bore including provn of concrete pit in plain cement concrete M-15 type B-1 using 20mm graded crushed stone aggregates with 40mm thick cover of rainforced cement concrete M-15 reinforced with XPM (weight not less than 4 kg/Sqm) and frame of angle iron 25x25x3mm with lugs 2 Nos and with 6mm dia mild steel bar handle made to shape, galvanised iron medium grade 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, common salt and charcoal filling, test point made out of phosphorous bronze with fixing arrangement, funnel, wire mesh and including earth work in any type of soil, returning filling in and removal of surplus soil to a distance not exceeding 50 metre, all as per electrical plate No. 3 of SSR 2009 Part-I and connection to earth test point includng taking down existing earthing and removing from site complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metre deep below normal ground level) with top edge of plate not less than 1.5 metre below ground level, connecting to galvanised iron wire 4.0mm dia (as earth lead wire), by means of bolt, nuts, check nuts and washer of galvanised and earth wire protected by provision of galvanised iron pipe light grade, 15mm bore including provn of concrete pit in PCC (1:2:4) , type B-I using 20mm graded crushed stone aggregates with 40mm thick cover of RCC M-15, type B-I, reinforced with XPM (weight not less than 4 kg/ Sqm) and frame of angle iron 25x25x3mm with lugs 2 Nos and with 6mm dia mild steel bar handle made to shape, galvanised iron medium grade 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, common salt and charcoal filling, test point made out of phosphorous bronze with fixing arrangement, funnel, wire mesh and including earth work in any type of soil, returning filling in and removal of surplus soil to a distance not exceeding 50 metre, all as per electrical plate No. 3 of SSR 2009 Part-I and connection to earth test point includng taking down existing earthing and removing from site complete all as specified and directed.

Deduct Credit Amount as per Schedule of credit as details given on Srl Page No 22 of tender doucments.

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