REPAIR MAINT OF EXTERNAL ELECTRIFICATION 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 in-replacement of Factory made Out door cubical type LT Bus-bar chamber suitable for 3 Phase 4 nos tinned copper strip 400 Amps, 415 Volts, 50 Hz, mounted on DMC insulator of size 800x 600x 450 mm totally enclosed weather, dust and vermin proof (Protection Class IP-54) made out of not less than 50 X 50 X 6 mm angle iron frame with cable entry exit through bottom with double compression copper stainless steel cable glands and gaskets and 3.15 mm thick MS CRCA sheet front and back openable door with proper hinge and locking arrangements, painted externally and internally with powder coat painting (RAL-7032) of gray colour after necessary preparation of surfaces incl. necessary PCC (1 : 3 : 6) type C2 as in foundation all as specified and as directed, comprising of the following :- (a) Internal wiring with copper conductor cable of suitable size-1Job. (b) Bus-bar shall be insulated with colour codes/ Sleeves/ Taps.

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 (± 8% tolerance), 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.

Taking down/out unserviceable UG Cables of any Cross Sectional Area and Connections and joints including Pipes, Bricks, etc of any description laying in trenches or fixing with Walls/Poles, segreating serviceable Bricks/Precast covers, Pipes, Cables etc, and keep in safe custody for reuse, complete all as specified and as directed. NOTE: Earthwork will be measured and paid under appropriate Items.

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.

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 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, shall be in one piece and have a top groove and shall be threaded to take galvanised MS pin, complete all as specified and as directed. Make- JAYSHREE/ BENGAL POTTERIES LTD KOLKATA/ BHEL/ JAIPURIA BROTHERS

S&F insulator Shackle type, Porcelain, Vitreous, White or Brown, shall be in one piece and shall have a groove on the side and a hole for a cotter pin and 02 galvanised bolts of 12mm diawith or without a pair of Galvanised Mild Steel 31x3mm Strap, 75mm height 90mm dia including Nuts, Washers, etc. for Working Pressure 1100 Volt, complete all as specified and as directed. Make- JAYSHREE/ BENGAL POTTERIES LTD KOLKATA/ BHEL/ JAIPURIA BROTHERS

M&L Cross-arms, Bracings, Supports, Clamps and Back Plates fabricated from Structural Steel Sections including Nuts, Bolts, Washer, welding, bending cold or hot, drilling holes for Bolts, in any shape or size as indicated/ direct-ed and inclusive of one coat of Aluminium Primer one Under Coat and One Finishing Coat of Aluminium Paint, 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

S&F in-repair of MCCB 100 Amp , 4 Pole , 415 Volts rating with, overload, short circuit fault protection 3 phase with neutral link (Breaking capacity 25KA)Ics=100% of Icu, with spreader terminal of both ends and with sheet metal enclouser, complete all as specified and as directed. Make Legrand,Cat part No-4200 55 for MCCB and Cat part no- 5078 01 for enclouser , or equivalent in L&T/Havells/ Siemens)

S&F in-repair of MCCB 160 Amp , 4 Pole , 415 Volts rating with, overload, short circuit fault protection 3 phase with neutral link (Breaking capacity 25KA)Ics=100% of Icu, with spreader terminal of both ends and with sheet metal enclouser, complete all as specified and as directed. Make Legrand,Cat part No-4200 57 for MCCB and Cat part no- 5078 01 for enclouser , or equivalent in L&T/Havells/ Siemens)

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. 22 here-in-above, but 25Sqmm 4.0 Core Cable, Complete all as specified and as directed.

All as per Item No. 22 here-in-above, but 16Sqmm 4.0 Core Cable, Complete all as specified and as directed.

All as per Item No. 22 here-in-above, but 10Sqmm 2.0 Core Cable, 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. 26 here-in-above, but 50mm dia pipe, Complete all as specified and as directed.

All as per Item No. 26 here-in-above, but 40mm dia pipe, 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 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.

S&F Energy saving new generation environmental friendly long life versatile presure die cast aluminium IP 66 Street light fitting luminaire with high power LEDs as light source and electronic driver of capacity 90 watts with pre wired and lens embedded PC cover having Top opening seperate driver compartment and necessary mounting arrangements, including taking down old unserviceable light fitting, complete all as specified and as directed. CAT No.- ENDURAPEARLPLUSSL90WLED757PASYTOPCASTHO of Make HAVELLS or equivalent of make BAJAJ/PHILLIPS/CROMPTON GREAVES

S&F in-repair of Pole Box/Junction Box of size 205 X 255 X 112mm (LxBxH) made out of Polycarbonate material totally enclosed, dust and vermin proof, door pasted with rubber gasket, water tight IP 66/67 protection single leaf shutter in front having proper locking arrangements, and painted with powder coating paint including provision of suitable connector for single phase connections loop in and out 10 to 16 Sqmm 2.0 Core aluminium armoured cable branch out 1.5 Sqmm single core copper PC insulated cable and 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. Cat No.: KF 2525 G of make Hensel or quivalent of make Sintex.

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.

Darjeeling Enterprises

HIRA SINGH

Janata Enterprises

M/S TSHERING BHUTIA