REPAIR/REPLACEMENT OF LIGHT FITTINGS AND EARTHING AT DM RANGE UNDER GE AF TEZPUR

Amount

Taking down carefully existing damaged/unserviceable Copper/GI strip and GI wire as in earth continuity conductor or main earthing leadfixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other situation of any size and type, complete all as directed.

Taking up or down,40 mm bore,steel tubing and connections,including cleaning for refixing or removal to store, complete all as directed.

Taking down carefully existing unserviceable test point terminal block of any size and type complete all as specified and as directed.

Supply and Fix in repair,Air Termination, single pointed copper rod 12 mm dia. and 300 mm long, complete all as specified and directed.

Materials and Labour for, test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw,complete all as specified and directed.

Alignment of existing Copper/GI strips of any size as in roof conductors and down conductors above ground by replacement of damaged saddles with new saddles and fixing screws etc. including making good disturbed surfaces of floors/walls/ceiling etc complete all as specified directed.

Materials and Labour for,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,copper strip 20 x 3.15mm, complete all as specified and directed.

Materials and Labour for,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,copper strip 32 x 6mm,complete all as specified and directed. .

Materials and Labour for,galvanized steel tubing,40 mm bore,medium grade, in trenches or fixed to poles/Walls etc, for cable/earth lead protection,complete all as specified and directed.

Supply Only carbon based earth enhancing back fill compound (GEC)as per IEEE 80 2000 Clause 14.5(c),conforming to IEC 62561-7,complete all as specified. Notes:- (i) Material shall be supplied in standard packaging as per manufacturer's standards (ii) Material shall be delivered in the store yard of the Engineer-in-Charge and receipt voucher obtained.

Materials and Labour for maintenance free chemical earthing system using single spike 17.2mm dia, 3000mm long high tensile low carbon steel circular rod, molecularly bonded with copper on outer surface (minimum copper bonding thickness of 250 microns) meeting the requirements of Under Writers laboratories (UL) 467-2007 or latest with 250mm long copper strips of size 50X3 mm, exothermally welded on top of electrode complete including augering (boring) 100-125mm dia hole as required for electrode in any type of soil and back filling with earth enhancing back fill compound as per IEEE 80 2000 Clause 14.5(c), conforming to IEC 62561-7, minimum quantity of compound used,40 Kg per electrode, conforming to IEEE/BS standrads including pit cover light weight made out of high quality polymer with lid made of HDG steel, including nessary testings and commissioning, complete all as specified and as directed. Notes:- (i) The work of earthing shall be carried out by authorised trained rep of OEM. (ii) The acceptable earth resistance at earth busbar/ test point shall be as per users requirement as desired by Engr-in-Charge but it should be below 01 Ohm. At certain locations, it may not be possible to achieve desired earth resistance with one electrode / pit due to higher soil resistivity,in such cases, provision of loop earthing consisting of more than one earth electrode pits shall be done. The number of pits required shall be decided based on the resistivity of soil and resistance achieved for the earth pits already installed. The distance between two successive earth electrodes shall not be less than 3 metres. (iii) The procedure mentioned here-in-before for one earth pit shall be repeated for other earth pits. (iv) Additional earth electrode pits and loop conductor shall be measured and paid seperately . (v) The quoted rate shall also be included the following elements: (a) Complete earthwork including drilling holes for electrode.(b) Earhing electrode-01(One) No Only (c) Backfilling carbon based ground enhancing compound (GEC). (d) Pit cover light weight made out of high quality polymer with lid made of HDG steel. (e) Soil suitable for agricultural purpose required for each pit (f) Copper strip as earthing lead of size 50mmx3mm, 250 mm long only, beyond 250mm, other size will be measured and paid for separately under respective item(s) in this BOQ. (g) All Labour and T&P required including testing of earth network. (vi) Testing for earth resistance shall be carried out in presence of GE and Engr-in-Charge. (vii) Taking out existing unserviceable earthing system complete. (viii) Original purchase vouchers for copper rod and back fill compound and manufacturer test certificate of entire quantity shall be produced by the contractor before commencement of work. (ix) The Earthing shall be carried out with Soil suitable for Agricultural purpose.

Supply and Fix in repairs,LED light fitting mirror type with high out put diffuser 2 feet,10 Watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size complete.,complete all as specified and directed. [Cat No. CCS-103-10-65-SL-DP-NWH of Make 'Crompton Greaves' or equivalent Model of Make 'Wipro'/'Philips'/'GE']

Supply and Fix in repairs,LED lights fitting 1x 20W, 220V,AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose,complete all as specified and directed. [Cat No. CCS-103-20-65-SL-DP-NWH of Make 'Crompton Greaves' or equivalent Model of Make 'Wipro'/'Philips'/'GE']

Supply and Fix in repairs, LED light fitting 1x9W/1X10W bulkhead luminaires including LED light driver holder connecting up with three core flexible copper conductor cable of suitable size,complete all as specified and directed. [Cat No.LBHP-10-CDL of Make 'Crompton Greaves' or equivalent Model of Make 'Wipro'/'Philips'/'GE']

Supply and Fix in repairs,round shape 12 watt 220 volts AC surface type with high efficiency PMMA diffuser soft glare free light complete with drivers, holders,LED lamp suitable for roof ceiling including connecting up with three core flexible copper conductor cable of suitable size,complete all as specified and directed. [Cat No.LCDSPLN-R-12-CDL of Make 'Crompton Greaves' or equivalent Model of Make 'Wipro'/'Philips'/'GE']

Supply and Fix in repairs,square shape 18 watt 220 volts AC surface type with high efficiency PMMA diffuser soft glare free light complete with drivers, holders,LED lamp suitable for roof ceiling including connecting up with three core flexible copper conductor cable of suitable size,complete all as specified and directed. [Cat No.LCDSPLN-S-18-CDL of Make 'Crompton Greaves' or equivalent Model of Make 'Wipro'/'Philips'/'GE']

Supply and Fix in repairs,18 Watts,LED recessed full lit luminaire,size 300 mm x 300 mm with glare free uniform illumination,lumen efficacy >100 Lumen/Watt,complete all as specified and directed. [Cat No. LCTLRNE-18-CDL(1X1) of Make 'Crompton Greaves' or equivalent Model of Make 'Wipro'/'Philips'/'GE']

Supply and Fix in repairs,36 Watts,LED recessed full lit luminaire,size 600 mm x 600 mm with glare free uniform illumination,lumen efficacy >100 Lumen/Watt,complete all as specified and directed. [Cat No.TCR-145-36-65-SL-NWH/TCR-145-36-57-SL-NWH of Make 'Crompton Greaves' or equivalent Model of Make 'Wipro'/'Philips'/'GE']

Supply and Fix in repairs,compact industrial batten suitable for single T8 LED tube connecting up with three core flexible copper conductor cable of suitable size,complete all as specified and directed. [Cat No.DIJB12LT8-20 of Make 'Crompton Greaves' or equivalent Model of Make 'Wipro'/'Philips'/'GE']

Supply and Fix in repairs,1 x 10 Watts,LED Lamp (B-22 base), lumen efficacy 135 Lumens/Watt, BEE 5 Star Rated,complete all as specified and directed. [Cat No.LED10DFCDL5SLYOR of Make 'Crompton Greaves' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE']

Supply and Fix,1 x 20 Watts,LED polycarbonate T8 tube with in built driver and metal heat sink,Efficacy of 100 lm/W.,complete all as specified and directed. [Cat No.LTB-20-865-(2) of Make 'Crompton Greaves' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE']

M/S R.B. Construction

M/S N G CHOWDHURY

M/S SHIVAYA ENGINEERING

KAILSON

Evergreen Firm

Singhs Construction

M/S Kangkans