REPAIR/MAINT OF BLDG LIGHTENING ARRESTER SYSTEM INCLUDING OF EARTHING WITH MISC CONNECTED ITEM AT AIR FORCE STATION PATHANKOT

Amount

Taking down carefully by unscrewing from clamp / saddles plates air termination rods with GI supporting pipe for reuse at site or carrying the MES store complete all as specified and directed by Engr-in-Charge.

Refixing air termination rods with GI supporting pipe retrived against item No-1 complete all as specified and directed by Engr-in-Charge.

Taking down carefully by unscrewing from clamp / back plates strip any type for reuse at site or refixing at same or other location complete all as specified and directed by Engr-in-Charge.

Refixing GI/Aluminium strip retrived against item No-3 complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement for single pointed air termination aluminium rod 12mm dia 300 mm long including nuts & bolts for fixing air termination rod to pole/ pipe duly insulated by providing appropriate insulator complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement for PCC 1:4:8 type D-2 using 40mm graded crushed stone aggregate as mass concrete for foundation of GI tubing /Air termination rod complete all as specified and directed by Engr-in-Charge.

Material and labour test point terminal block made of steel plate of size 75x75x6 mm drilled and screwed including 3 nos 8 mm dia 25 mm long hex. head screw complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement for aluminum strip 25x3.15mm as roof conductor or down conductor or along the pole/pipe complete with saddles/ insulators made out of porcelain or fibere and fixing screws complete all as specified and directed by Engr-in-Charge. Note :- Insulators should be approved quality & backlite fixing tightly so that it does not fall of during winds / rains.

Supply and fixing in replacement for GI strip 32x6mm, buried in ground or fixed to wall etc for loop earthing complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement for copper strip 20x3.15 mm complete with saddles/ insulators made out of porcelain or fibre and fixing screws for roof conductor/down conductor including welding or brazing for joints all as required at site or directed by Engr-in- Charge.

Material and labour in replacement for tubing GI light grade 20mm bore for installation of air termination rod and watering for earthing including fixing arrangement complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement for tubing GI light grade 25 mm bore for installation of air termination rod and watering for earth including fixing arrangement complete all as specified and directed by Engr-in-Charge.

Supply errection and febrication of bracings supports, clamp, and back plates febricated from structural steel section including nuts,bolts,washers for fixing air temination rod on MS sheet roof complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement for earth pit pre cast PCC cover (1:2:4) type B-1 (using 20 mm graded black trap/granite/Basalt stone aggregate) 50 mm thick 400x400mm size cover 12 mm dia round bar handle complete all as specified and directed by Engr-in-Charge.

Material and labour Earth continuity conductor or main earthing lead fixed to wall or recess or chases or burried 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 GI steel wire complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement for test point terminal block made of copper plate of size 75x75x6 mm drilled and screwed including 4 nos 8 mm dia 20 mm long hex. head screw and washer complete all as specified and directed by Engr-in-Charge.

Excavation in trenches not exceeding 900 mm in width, 400 mm in length and not exceeding 3 mtr in depth in any type of soil for checking/replacement of unserviceable rusted earth plate, protection pipe, strip etc including returning filling in after replacement of unserviceable items complete all as specified and directed by Engr-in-Charge. Note: Material to be replaced will be measured and paid seperately.

Supply, Installing, testing & commissioning of street Light Pole Box two no Aluminium Bus Bar of capacity 63 amp including 6 Amp SP MCB.The Box should have auto Door lock facility with magnetic lock having size 260X120X230 mm and fixed to poles/ Wall using and nuts & bolts of required size complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement Copper plate earth electrode of size 600mm x 600mm x 3mm complete all as specified and directed by Engr-in-Charge.

Material and labour Earth continuity conductor or main earthing lead fixed to wall or recess or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required 6 mm dia copper wire complete all as specified and directed by Engr-in-Charge.

Refixing old steel tubing and connections in new or old position for earthing pit water pipe line of 20 mm bore size complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement Galvanized iron earth plate electrode of size 600mm x 600mm x 6mm complete all as specified and directed by Engr-in-Charge.

Supply and fixing gun metal , gate vavle 20 mm bore with iron wheel head , screwed both ends from iron pipe complete all as specified and directed by Engr-in-Charge.

Supply and fixing bib taps 20 mm bore standard of PTMT any colour high pressure screwed for iron pipe and fixed complete all as specified and directed by Engr-in-Charge.

Disconnecting, electrically, taking out from trenches and relaying after rectifying defects LT cable any size 6 Sqmm to 185 sqmm 2/3.5 core . Relaying only or fixing or passing through pipe 1100 volts grade heavey duty cable with PVC insulated multistand aluminium conductor of size 6 to 185 Sqmm 2/3.5 core , armoured with galvanized steel strip or wire complete all as specified and directed by Engr-in-Charge. ( Earth work will be measured seperatelly under respective items)

Excavation in trenches in any type of soil exc 1.5 Mtr in width and not exc 1.5Mtr in depth and getting out for laying of cable complete all as specified and directed by Engr-in-Charge.

Returning filling in, including spreading leveling,watering and well ramming in layers not exc 1.5cm each layer complete all as specified and directed by Engr-in-Charge.

Removal of surplus soil to distance not exc 50mtr and depositing where directed at level not exc 1.5 mtr above the starting point complete all as specified and directed by Engr-in-Charge.

Material and labour for sand cushioning to underground cable 8cm thick before laying the cable and 15 cm thick after laying, stretching and testing the cable complete all as specified and directed by Engr-in-Charge.

Reuse old Sub Class 'B' brick covering protection to the eletric cable laid dry flat transversally along the length of cable on sand cushioning with width equal to length of brick complete all as specified and directed by Engr-in-Charge.

Sub class “B” bricks laid dry flat cover the cable with width equal to the length of cable, abutting each other for protection of cable complete all as specified and directed by Engr-in-Charge.

Supply and lay LT XLPE insulated, armoured, heavy duty underground electric cable with aluminium conductor, 1100 volts grade, cross sectional area 2 core 25 Sqmm including cable lugs, jointing materials etc. laid in trenches fixing on poles/duct/wall and laid through suitable GI pipes with proper saddling with clamp complete all as specified and directed by Engr-in-Charge.

Supply and lay LT XLPE insulated, armoured, heavy duty underground electric cable with aluminium conductor, 1100 volts grade, cross sectional area 3.5 core 185 sqmm including cable lugs, jointing materials etc laid in trenches fixed on poles/duct/wall and laid through suitable GI pipes with proper saddling with clamp complete all as specified and directed by Engr-in-Charge.

Supply and lay LT XLPE insulated, armoured,heavy duty under ground electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 2 core 10 sq. mm including cable lugs, jointing materials etc., laid in trenches fixed on poles/duct/wall and laid through suitable GI pipes with proper saddling with clamp complete all as specified and directed by Engr-in-Charge.

Supply and lay LT XLPE insulated, armoured,heavy duty under ground electric cable with aluminium conductor, 1100 volts grade,of following cross-sectional area 2 core 16 sq mm including cable lugs, jointing materials etc., laid in trenches fixed on poles/duct/wall and laid through suitable GI pipes with proper saddling with clamp complete all as specified and directed by Engr-in-Charge.

Material & labour for earthing complete with galvanised cast iron earth plate electrode of size 600x600x6.3mm thick busied directly in ground less than 3.0m deep below normal ground level as earth electrode with top edge of the earth plate not less than 2.25mtr below ground level using GI wire 4mm dia as earth continuity conductor connected to earth plate by means of welding, GI thimbles, nuts, bolts & washers all as directed including providing earth wire protection pipe GI light grade15mm dia from earth plate to main switch board/panel, watering pipe 20mm dia with wire mesh and funnel at top, earth pit and RCC pit cover with handle of angle iron frame of size 40 x 40 x 6mm in PCC 1:3:6 adequate quantity of charcoal dust and salt and kalmi shora all around the earth plate, earth work in any type of soil remaining surplus excavated material all as required at site and specified in electric plate No 3 of SSR part I 2009 or directed by Engineer-in-charge and incl testing on completion. (i) Main earthing lead from earth plate electrode to test point upto length of 7.5 meters length shall deem to be included in the unit rate quoted against this item (ii) GI protection pipe & earthing lead beyond 7.5 metre shall be measured and paid for seperately under appropriate item of BOQ. (iii) On testing after completion if the desired resistenance is not obtained the contrator shall redo the earthing without any extra cost to the department .

Material & labour for earthing complete with galvanised cast iron earth plate electrode of size 600x600x6.3mm thick busied directly in ground less than 3.0m deep below normal ground level as earth electrode with top edge of the earth plate not less than 2.25mtr below ground level using GI strip 25x4 mm as earth continuity conductor connected to earth plate by means of welding, GI thimbles, nuts, bolts & washers all as directed including providing earth wire protection pipe GI light grade15mm dia from earth plate to main switch board/panel, watering pipe 20mm dia with wire mesh and funnel at top, earth pit and RCC pit cover with handle of angle iron frame of size 40 x 40 x 6mm in PCC 1:3:6 adequate quantity of charcoal dust and salt and kalmi shora all around the earth plate, earth work in any type of soil remaining surplus excavated material all as required at site and specified in electric plate No 3 of SSR part I 2009 or directed by Engineer-in-charge and incl testing on completion. (i) Main earthing lead from earth plate electrode to test point upto length of 7.5 meters length shall deem to be included in the unit rate quoted against this item (ii) GI protection pipe & earthing lead beyond 7.5 metre shall be measured and paid for seperately under appropriate item of BOQ (iii) On testing after completion if the desired resistenance is not obtained the contrator shall redo the earthing without any extra cost to the department

Earthing complete with galvanised steel earth plate electrode 600x600x6mm burried directly in ground not less than 2.25 mtr deep below normal ground level with top edge of earth plate not less than 1.5mtr below normal ground level connected to the Galvanised iron strip 32x6mm size by means of welding,bolts ,nuts,check nuts and washers of galvanised iron and 32x6mm GI strip procted by provision of GI light grade pipe 40 mm bore incl provision of concrete pit in PCC1:2:4 type B-I , using 20 mm graded stone aggregates with 40 mm thick cover of RCC (1:2:4) reinforced with XPM weight not less than 4 Kg /Sqm and 6mm dia bar handle ,excavation and earth work in any type of soil ,charcoal dust and salt light grade GI watering pipe 20 mm bore with funnel and wire mashand medium grade GI protection pipe 15mm bore 5 Mtr long and GI strip upto main earthing of pole complete all as shown in electrical plate No 5 of MES Sch 2009 Part-I complete all as specified and directred by Engineer-in-charge (i) Main earthing lead from earth plate electrode to test point upto length of 7.5 meters length shall deem to be included in the unit rate quoted against this item. (ii) GI protection pipe & earthing lead beyond 7.5 metre shall be measured and paid for seperately under appropriate item of BOQ (iii) On testing after completion if the desired resistenance is not obtained the contrator shall redo the earthing without any extra cost to the department.

Material & Labour for earthing complete with copper earth plate elect rode 600x600x3.15mm thick buried directly in ground to a depth not less than 3 mtr deep below normal ground level with top edge of the earth plate not less than 2.25 mtr deep below normal ground level connected to copper strip 20x3mm size as earthing lead by means of soldering/brazing and bolts, nuts, check nuts and washers of brass, GI protection pipe light grade 40mm bore up to test point 20mm dia GI watering pipe with funnel and wire mesh, PCC pit 1:2:4 type BI, RCC cover with suitable handle, earth pit filled with ground enhancing material i.e. mixture of copper sulphate, magnesia sulphate, graphite power etc mixed in equal quantity all around earth plate up to 150 cm and filled with vegetable soil above GEM up to ground level earth work in any type of soil all as required and directed including testing on completion. (i) Main earthing lead from earth plate electrode to test point upto length of 7.5 meters length shall deem to be included in the unit rate quoted against this item. (ii) GI protection pipe & earthing lead beyond 7.5 metre shall be measured and paid for seperately under appropriate item of BOQ (iii) On testing after completion if the desired resistenance is not obtained the contrator shall redo the earthing without any extra cost to the department. Note for item No. 36 to 39 for all type of earthing - (1). Contractor will be responsible for the functionality of earthing pit & its acceptable earth resistivity for 6 month from date of completion of CA. Note - (2) . Eath work & filling of material inside the earh will be carried out in presence of user rep.

Material and labour in replacement for maint free chemical earthing pit for Electric Equipement/lightening protection comprising of 3 Nos copper earthing Electrode Compound filled Model 80 MTPBC, Length 3000mm internal strip size 50X6 Copper electrode diameter 80 mm. Fixed in Three different earth pit of size 3.3 mtr deep placed in a triangular position at a distance 3 mtr each, earth pit filled with earth gel with hardener Soil Resistivity improvement Powder Compound make of compound True Power/JMV/Powertrac (hygroscopic in nature) earth electrodes inter connected using copper strip of size 25 mm x3 mm and one test point made of copper plate of size 75x75x3mm thick connecting to all three earth pits using copper strip of size 25x3 mm with soldering or brazing all as required including boring hole for earth pits and removal of surplus soil , refilling of vegetation soil and earth pits FRP Earthing chamber cover earthing pit .Earthing Chamber FRP 420mm (Top),340mm (Base),210mm Height for test points and FRP Based Earthing Display Board with support stand , FRP coated width 254mm,Length-380mm, Height 610mm., complete all as specified and directed by Engr-in-Charge. (i) M&L for earth continuity conductor as Main earthing land fixed to wall as batten etc. all as required of size 25x3mm copper strip. (ii) M&L Tubing GI med grade 40mm dia for protection of earthing strip and passing the Road/passes and etc. (iii) On testing after completion if the desired resistenance is not obtained the contrator shall redo the earthing without any extra cost to the department

Checking/testing of resistance value of earthing of entire station within one month from the date of commencement of work. The entire station will be divided into four zones as per earthing location and the contrator will deploy seperate team for each zone to test the resistance value of earthings in each zone to complete the process within one month. The entire process will be reapeted after every three months (quarterly) upto completion of the contrac including pouring of salted water in the funnel of earthing pit is deemed in the quoted rate. Note:(i) Date of testing and due date of testing is to be written on a register with sign of user rep & identifying the earthings in system and recording the results on indicator board and producing three copies of test sheet duly signed by Contractor/ JE/ AGE E/M all as directed by Eng-in-charge. Note :- (i) Cost of labour and tools required for testing is deemed to be included in quoted rates.submitted to Concern JE . (ii) Testing action is to be done within one month from date of commencement i.e. approx 200 earthings is to be completed within one month. Thereafter on quarterly basis and same is to be completed within one month.The contractor has to deploy electrician/ testing equipment and resources to complete the task within one month. (iii) If any material required for improvement of resistence value which value is more than their permissible limit will be measured and paid seperately.

Material and labour mixture of copper sulphate, magnesium sulphate , graphite of equal quantity all around earthing strip/rod in any type of soil to needs treatment to lower earth resistance complete all as specified and directed by Engr-in-Charge.

Material and labour mixture of salt dust and charcoal dust/breeze equal quantity all around earthing strip/rod in any type of soil to needs treatment to lower earth resistance complete all as specified and directed by Engr-in-Charge.

Material and labour earth gel with hardner (hygroscopic in nature all around earthing electrode copper rod in any type of soil to needs treatment of maintenance free earthing to lower earth resistance less than 1 Ohm complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement for brazing in repair work for copper strip not exc. 2.5 cm in length and not exc. 6mm in thickness complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement for brazing in repair work for Aluminum strip not exc. 2.5 cm in length and not exc. 6mm in thickness complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement for GI funnel with wire mess suitable for each pit. complete all as specified and directed by Engr-in-Charge.

M/S V K TRADERS

M/S SINGH AND ASSOCIATES

M/S MULTI ENGINEERS

M/S SHRI RAM BUILDERS