REPAIR MAINT OF LT UG CABLE LT PANEL AND OTHER ALLIED WORKS AT LEBONG UNDER AGE I DARJEELING

Amount

Taking down the existing unserviceabe Distribution panel board with conventional type switches, unserviceable MCCBs from Panel boards, controls and removing from site for further disposal and all as specified and as directed.

Supply installation commission and testing of (CPRI Approved) Out door LT Panel board Kiosk type of size1500 x 1300 x 500 mm ,LT415 Volts, 50 Hz , 3-phase,Bus Bar chamber comprising 4 Nos aluminium strip bus bars air insulated and PVC sheathed capacity 500 Amps with colour coding Digital ammeter, voltmeter of suitable range and LED type/Neon type Indicating lamps panel mounting type RYB-3 Nos, factory assembled, outdoor type weather and vermin proof (Protection Class IP-54) made out of not less than 60 X 60 X 6 mm angle iron frame and 3.15 mm thick MS Sheet CRCA sheet with front & back side hinged opening, rubber lining, locking arrangement, painted externally and internally with powder coating, complete comprising of following (Feeder pillar for parking terminals) :- (a) Internal wiring with single core copper conductor cable/ PVC Insulated Copper Strip of suitable size incoming to bus bar and bus bar to outgoing MCCB/MCB-1Job. (b) Fine wiring with single core copper conductor cable for instruments/indicating lamps-1 Job. INCOMING (c) MCCB 320 Amp , 4 Pole , 415 Volts rating with, overload, short circuit fault protection 3 phase with neutral link specially fixed out going supply (Breaking capacity 36KA)Ics=100% of Icu, with Spreader terminal of both side-01 No. (Make Legrand,Cat part No-4220 06 , or equivalent in L&T/Havells/ Seimens) OUT GOING (d) MCCB 160 Amp , 4 Pole , 415 Volts rating with, overload, short circuit fault protection 3 phase with neutral link specially fixed out going supply (Breaking capacity 25KA)Ics=100% of Icu, with spreader terminal of both ends-01 No. (Make Legrand,Cat part No-4200 57 , or equivalent in L&T/Havells/ Siemens) (e) MCCB 100 Amp , 4 Pole , 415 Volts rating with, overload, short circuit fault protection 3 phase with neutral link specially fixed out going supply (Breaking capacity 25KA)Ics=100% of Icu, with spreader terminal of both ends-04 No. (Make Legrand,Cat part No-4200 55 , or equivalent in L&T/ Siemens/Havells) (Note-Fixing arrangement diagram and line diagram of the panel shall be got approved by accepting officer before panel fabrication).

Excavation in Trenches, not exc. 1.50 Metre wide and not exc 1.50 Metre in depth for any type of foundation/cable trench and getting out in Soft/Loose Soil, complete all as specified and as directed.

Returning, Filling in, including Spreading, Levelling, Watering and Well Ramming in Layers not exc. 25 Cm in Soft/Loose Soil, complete all as specified and as directed.

Removing excavated Materials (Soils) not exc. 50.00 Metre and depositing where directed at a level not exc. 1.50 Metre above the Starting Point in Soil, complete all as specified and as directed.

M&L Sand Cushioning (dry) in trenches/ducts for protection of UG Cables (below, above and around the UG Cable laid in Trenches) of 230mm Spread thickness (8 Cm in depth before laying the Cable and 15 Cm in depth after laying the Cable) and consolidated (punned) upto 180mm thickness, complete all as specified and as directed NOTE : For the purpose of Payment, Punned thickness of Sand Cushioning only will be measured and paid for.

Supply & laying locally available, well burnt Sub-class ‘B’ Bricks/ Fly Ash Bricks, of size 250x125x75mm, laying perpandicular to UG Cable laid in trenches over Sand Cushion as Cable Protection, complete all as specified and as directed.

Dismantling unserviceable Steel Tubular Poles of any description and any size including demolition of Cement Concrete (as/if required) and made good disturbed Ground, complete all as specified and as directed. NOTE: Unserviceable Poles will be dismantled at Ground Level and disturbed ground will made good as directed for which Earthwork, demolition of Cement Concrete, etc. will not be measured and paid separately.

Dismantling Cross-Arms of Mild Steel Channel or Angle Sections, etc, including Mild Steel Bolts, Nuts, Washers, etc., complete all as specified and as directed.

Dismantling Insulators like Pin type, Shackle type from existing Street/ Security Light Pole of any description and any size, seggregating Seviceable Insulators and keep in safe custody for re-use, complete all as specified and as directed.

Dismantling ACSR or AAC Conductors from the Disturbed Span including Line Spacer, etc., complete all as specified and as directed.

Dismantling Earth Wire, Cradle Guarding, etc., complete all as specified and as directed.

Supply & Erecting Steel Tubular Swaged Pole Type 410-SP-31 (9.0 Metre long) including Cast Iron Base Plate, Finial Taper Plug, Cap, Mild Steel Bolts, Nuts, Screws including applying two coats of Black Bituminous Paint Internally and Externally from bottom End of Pole upto PCC Coping and applying with two coats of Aluminium Painting over a coat of Red-oxide Primer (Externally from Top of Coping) including writing MES Pole No. with Synthetic Enamel Paint (First Grade/quality), complete all as specified and as directed. NOTE: Earthwork, Cement Concrete, etc. will be measured and paid under approprite Items. Make- Calcutta poles/ Jindal/ National Tubes

Labour for Releasing ACSR Conductor of existing OH Lines by un-binding from Insulator of any description, re-fixing after stretching, re-stringing the Conductor, removing excess Sag, maintaining proper distance between Conductors as ordered, and binding to insulators with Aluminium Binding Wire complete all as specified and as directed. NOTE: Cost of Binding Wire is deemed to be included in the Quoted Unit Rate.

S&F Shackle type, Porcelain, Vitreous, White or Brown Insulator of size 75mm height 90mm dia including Galvanised Mild Steel 31x3mm Strap, 12mm dia Insulator Bolts, Nuts, Washers, etc. for Working Pressure 1100 Volt, complete all as specified and as directed. Make- JAYSHREE/ BENGAL POTTERIES LTD KOLKATA/ BHEL/ JAIPURIA BROTHERS

S&F Insulator Pin type Porcelain, Vitreous, White, Brown or Green including one Galvanised Mild Steel Spindle, Two Galvanised Iron Washers and One Galvanised Iron Nut, 100mm Height, 65mm dia for 1100 Volt grade complete all as specified and as directed. Make- JAYSHREE/ BENGAL POTTERIES LTD KOLKATA/ BHEL/ JAIPURIA BROTHERS

Supply & laying of LT XLPE Cable, sheathed PVC insulated, screened, PVC bedded, Galvanised Steel Strip or Wire armoured, Electic Power Cable (heavy duty) with Aluminium Conductor, 1100 Volts grade, cross-sectional area 120 Sqmm 3.5 Core, laid in Pipe/ Ducts/ Trenches/ under Floor/ under Road including and Testing, complete all as specified and as directed. NOTE : Earthworks, Sand Cushioning, Bricks, GI Pipe, etc. will be measured and paid under appropriate Items. MAKE:- KEI/POLYCAB/ HAVELLS/ FINOLEX

All as per Item No. 17 here-in-above, but 70Sqmm 3.5 Core, Complete all as specified and as directed.

All as per Item No. 17 here-in-above, but 50Sqmm 3.5 Core, Complete all as specified and as directed.

All as per Item No. 17 here-in-above, but 25Sqmm 4.0 Core, Complete all as specified and as directed.

All as per Item No. 17 here-in-above, but 16Sqmm 4.0 Core, Complete all as specified and as directed.

All as per Item No. 17 here-in-above, but 10Sqmm 2.0 Core, Complete all as specified and as directed.

S&F of Galvanised Iron Pipe (ISI Marked) 80mm bore (dia) ‘light grade’ for protection of UG Cable, laid under Floors or Road Crossing, fixing to Pole with and including Mild Steel Clamps, Nuts, Bolts, etc., complete all as specified and as directed.

All as per Item No. 23 here-in-above, but 50mm dia pipe, Complete all as specified and as directed.

All as per Item No. 23 here-in-above, but 40mm dia pipe, Complete all as specified and as directed.

M&L for cutting existing road/hard standing not exc 20x30cm in wide & depth getting out excavated material for laying cable/GI tube, returning filling & well rammaing watering finished suraface of depth not less than 10 cm from top using PCC 1:3:6, type C-2 (using 40mm graded aggregate); including removal of surplus soil complete all as specified and as directed.

M&L Cement Concrete 1:3:6 (40mm graded aggregate) as in Foundation of Poles, Stays, etc. including Formwork (as/if required) complete all as specified and as directed.

M&L Cement Concrete 1:2:4 (20mm graded aggregate) as in Coping of Poles, etc. and finishing the Concrete surfaces Fair and Even including necessary Formwork required at Site(s), complete all as specified and as directed.

M&L for Multistandarded Copper Conductor cable of 3 Core 1.5 Sq mm size drawn through steel tubular poles for interconnection of cable looping box to street light Fitting, Post Top Lantern & etc including taking down old unserviceable cable complete all as specified and as directed. Make :- Polycab/Plaza/Havells/KEI

M&L preparing old painted surfaces by scraping and removing old paints, rust, etc. from Steel Tubular Poles (above the Planting Depth and PCC Copings of 9.0/11 Metre length Pole) and Mild Steel Cross Arms, Cable Protection Pipe, Brackets, etc. and applying one Coat of alternate Yellow & Black Strips Painting (4 No. Each Strip 300 mm wide) and remaining portion of Pole and Cross Arms, Cable Protection Pipe, Brackets, etc. treated with One Coat of Aluminium Paint, including writing of pole numbers with black synthetic enamel paint, complete all as specified and as directed.

S&F End termination Joints (Heat Shrink type) including Jointing Kit complete for making Joints suitable for UG Aluminium Conductor Cable 120 Sqmm, 3½ Core, complete all as specified and as directed. Make- M-Seal/ Raychem/ 3M

S&F End termination Joints (Heat Shrink type) including Jointing Kit complete for making Joints suitable for UG Aluminium Conductor Cable 70 Sqmm, 3½ Core, complete all as specified and as directed. Make- M-Seal/ Raychem/ 3M

S&F Cable Bus-bar Chamber with Copper Bus-bar Strips mounted on Porcelain Insulators housed in Sheet Metal Enclosure, surface/pole mounting type, Triple Pole & Neutral, 415 Volts, 50 Hz, 200 Amps, 6 way having Front Acess Left Opening Door and locking arrangement connecting Cables and Testing including taking out unserviceable one, complete all as specified and as directed. Make- Havells, Cat no. IHBC020006 or equivalent of make L&T/ Schnider/ Legrand

S & F in-repair MCCB 4 Pole, 415 V, fixed type, 160 Amps, Ics =100% of Icu having breaking capacity 25 KA with Sheet metal enclosures complete all as specified and as directed. Make of MCCB 160 Amps Legrand cat part No 4200 57, Make of Metal clad Enclosure Legrand cat part No 5078 01 or Equivalent in L&T, Schneider.

S&F Onload Change-over Switch 200 Amp, 4 Pole, 415 Volts, 50 Hz, with advance neutral, connecting and testing including taking out unserviceable one from existing position, complete all as specified and as directed. Make- Havells, Cat no. IHCNFO0200 or equivalent of make L&T/ Schnider/ Legrand

S&F FRP Pole Box/Looping Box of size 240 X 130 X 110mm (LxBxH) totally enclosed, dust and vermin proof, single leaf shutter in front having proper locking arrangements, including provision of MCB SP 06 amps- 01 No and mounted on security light pole with suitable clamps (GI Flat iron of 25x3mm), nuts, bolts, complete all as specified and directed. Make- Sintex/ Hensel.

Material and Labour for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground ( earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level, connected to GI strip 32x6 as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Pt I including necessary excavation and earth work PCC (1:3:6) type C-1 with 50 mm thick pre cast RCC ( 1:2:4) type B-1 cover slab (reinforced with 8 mm dia deformed bar @ 15 cm C/C both ways and suitable handle of 10 mm dia round bar) including providing charcoal or coke and common salt in alternate layers of 15 cm compacted thickness all around the earth electrode, with funnel and 20 mm bore galvanized iron watering pipe (medium grade) wire mesh, lugs, complete in all respect, GI earth strip protected by 40 mm bore (light grade) galvanized iron pipe and other end connected with main switch board or earthing test point as directed including proper lugs, including disposal of soil to a distance not exceeding 50 mtr and necessary testing on completion complete all as specified and as directed.

RAI CONSTRUCTION

Darjeeling Enterprises

HIRA SINGH

M/S TSHERING BHUTIA