REPAIRS AND MAINTENANCE OF STREET LIGHTS, FLOOD LIGHTS, PERIMETER LIGHT, SOLAR LIGHTS, LT OH/UG FEEDER, PANEL BOARD, LT CABLE, ELECTRICAL INSTALLATION, EARTHING PITS, LA AND ALLIED WORKS IN TECH AND DOMESTIC AREA AND DDK RANGE UNDER GE (AF) KKD

Amount

Excavating in trenches , n.exc 1.5 m wide and n.exc 1.5 m depth for foundation etc or for shafts, wells, cesspits ,manhole pier hole etc n.exc 10 sqm on plan and n.exc 1.5m in depth and getting out in any kind of soil Note : Manual excavation to be done. During excavation if any damage occured to existing cable any type/ water pipe line, it will be contractor responsibilty to get it repair and make functional by providing jointing kit etc without any extra cost. Contractor has to repair it within 24 hrs so that essential service can not be effected due to such damage.If contractor fails to repair it within 24 hrs penalty @ Rs 500/- will be charged to contractor. In this GE decision will be final, conclusive and binding.

Disconnecting & taking out defective under ground LT cable from trenches, pole, pipe, floor ,wall etc including bricks ,GI pipes and removing from work site of unserviceable material all as specified and directed. (Excavation/earth work shall be measured & paid separately under relevant item of this schedule)

Supply, Laying, testing and connecting XLPE sheathed,PVC insulated screened PVC bedded,galvanised steel strip of wire armoured electric power cable heavy duty with stranded aluminium conductor 1100 volt grade of size 4 core 16 sqmm. , laid in trenches/surface of wall/in GI pipe along with pole for connection to OH lines,including Brass Compression Cable Gland, Terminal Lugs,clamps,nut & bolts etc all as specified

All as per BOQ Item No 3.00 here-in-before but of size 3.5 core 25 sqmm. ,complete all as specified

All as per BOQ Item No 3.00 here-in-before but of size 4.0 core 10 sqmm. ,complete all as specified

Materials and labour for sand filling around the cable with approved quality coarse sand for sand cushioning of Under ground cable including spreading and punning down to 18 cm thickness complete all as specified and as directed.(Compacted thickness shall be measured)

Supply and laying fly ash best quality, laid in trenches, perpandicular to U/G cable for cable protection complete all as specified.

Laying only old bricks obtained from item No 02 perpandicular to U/G cable for cable protection complete all as specified.

Returning, filling in, of soil including spreading leveling, watering and well ramming in layers not exceeding 25 cm complete all as specified and directed .

Removing excavated material to a distance n.exc 50M and deposited/ spreaded where directed at a level n. exc 1.5 M above the starting point complete all as specified and as directed .

M & L for Boring of horizontal hole under road, pavement, hardstanding suitable for passing through up to 50 mm bore, complete all as specified. Note : (i) One run of boring of horizontal hole will be measured as one unit length. (ii) All the precaution to be taken by the contractor before drilling the bore. The contractor has to take plan of existing cables any type and pipe line in existing area before drilling the bore. (iii) Any damage to existing cables any type and pipe line in the way of drilling the bore will be repaired and make good by the contractor. No extra cost will be paid on this account. (iv) Contractor has to get the survey of route, length and depth for boring before quoting the rate.

Supplying and fixing Galvanised mild steel pipe /tubing, light grade complete with all fittings of 50 mm bore dia, laid in trenches / under roads, fixed to poles/ walls with Mild steel clamps , bolts , nuts and washers as in cable protection complete all as specified and directed.

Supplying and fixing High density polyethylene pipes (HDPE) of pressure rating 6 kgf/cm2 complete with all fittings of 40 mm bore dia, laid in trenches / under roads, fixed to poles/ walls with Mild steel clamps , bolts , nuts and washers as in cable/earth strip protection complete all as specified and directed.

Supplying and fixing High density polyethylene pipes (HDPE) of pressure rating 6 kgf/cm2 complete with all fittings of 50 mm bore dia, laid in trenches / under roads, fixed to poles/ walls with Mild steel clamps , bolts , nuts and washers as in cable protection complete all as specified and directed.

Material and labour for steel tubular poles complete with cast iron base palate, final taper plug bolts, nuts & screws as specified type 410 SP-31, 9.0 meter long including painting all external exposed steel surfaces with two coats of aliminium paint over a coat of red oxide zinc chrome primer and all internal surfaces and external surfaces in contact with concrete with two coats of black bitumenous paint complete all as specified and as directed including taking down old existing concrete poles / struts any size after demolition of foundation and depositing / stackingat a place where directed within 5kM distance from the work site complete allas directed.The remaining external position shall be painted with two coat of aluminium paint including numbering to pole complete all as specified and as directed by Engr-in-Charge. (Note:- Earth work, PCC work, shall be measured and paid separately.)

M&L for cement concrete ( 1:3:6) type C-2 using 40mm graded crushed stone aggregate as in pole foundation, filling and mass concrete complete all as specified

M&L for cement concrete ( 1:2:4) type B-1 using 20mm graded crushed stone aggregate as in coping of pole including weathering, slightly rounded or chamfered angles and throating, necessary formwork as directed complete all as specified

M&L for Street Light Fittings Bracket, fabricated from GI Pipe 32mm Bore (dia), Light Grade, 1.60 METRE long, bend to required shape and fixing with and including Mild Steel Flat Iron Clamps 40X5mm of suitable Length, 2 No. Nuts, Bolts, Washers, etc., to Pole, applying Painting with One Coat of Red Oxide Zinc Chrome Primer and over Two Coats of Aluminium Paint to Mild Steel Works including Taking down old unserviceable Street Light Fittings Bracket, complete all as specified and as directed.

Excavating in trenches/over areas n.exc 1.5 m depth near junction box/ feeder pillar box, disconnecting & taking out cable, cutting burntout uninsulated portion of cable and rectify the defect and relaying the same in trenches, filling sand around the cable with retrieved sand ( approved quality coarse sand for sand cushioning, if required, is deem to be included in the quoted rates) spreading and punning down to 18 cm thickness. cover with retrieved bricks and returning and filling the excavated soil and connecting the cables with bus bars including provision of lugs as applicable and testing complete all as specified.

Supply and fixing loop in- loop out fuse junction box of internal dimention 250 x 200 x 100mm made of FRP sheet with weather proof canopy and locking screw fitted with and including 50 Amp rated 4 way connectors for 3 phase and neutral incoming/outgoing , mounted in the box, fixing on street pole/rail poles including necessary aluminium clamps, suitable glands, lugs and GI nut and bolt including taking down old unserviceable junction box all as specified and as directed by Engr-in-Charge. Note : Cost of lugs and PVC gland of suitable size if required on site for connecting cable in junction box is deem to be included in the quoted rates.

Material & labour for Flexible PVC insulated multicore FR PVC sheathed multistranded copper conductor cable of size 2.5 Sqmm x 3 core for voltage grade up to 1100 V conforming to IS 694 : 2010 for connection of light fitting from junction box or from over head conductors to fitting incl taking out old unsv cable complete all as specified and as directed by Engineer-in-Charge.

Material & labour for Flexible PVC insulated multicore FR PVC sheathed multistranded copper conductor cable of size 1.5 Sqmm x 3 core for voltage grade up to 1100 V conforming to IS 694 : 2010 for connection of light fitting from junction box or from over head conductors to fitting incl taking out old unsv cable complete all as specified and as directed by Engineer-in-Charge.

Supply and Fix in repairs, 3 pole power contactors conforming to IS / IEC 60947-4-1 & IEC 60947-4-1, type MNX 40 rating, 40 Amps, incl taking down old unsv complete all as specified and directed.

Supply and fixed in repair of multifunction digital timer switch (5-40) Amps , 240 Volts , AC , Single phase incl taking down old unsv complete all as specified and as directed

Supply and fixed in repairs MCB TPN 63 Amps, 'C' series 10kA, 415 Volts and to be housed in DBs incl taking out old unsv MCB complete including necessry connection all as specified and directed. (Note :- Proper and suitable size cable lugs to be fixed with MCB are included in unit rate of each MCB of any rating).

Supply installation, testing and commissioning of outdoor street light panels, degree of protection IP 54, three phase, maximum load 12 kW, prewired with Digital timer switch,contactor TP rating 65 Amp and MCB Tripple pole & neutral rating 63 Amp,incl taking down old unsv complete all as specified and directed.

S & F Non metallic PVC medium grade conduit 20 mm dia, ISI marked for drawing aluminium/ copper conductor cable between pole junction box and light fitting including fixing clamp made of GI strips and nut and bolts (Minimum 3 clamp in each pole to be provided.) including taking out old unserviceable complete all as specified and directed.

M & L Painting of steel pole (swan neck type or straight type) up to 12 mtr height with cross arms, clamp of any length and shape for LT overhead line/ for street light with two coat of aluminium paint after scraching out old paint, cleaning and exiting surface rust free, preparation of the existing surface, including marking pole numbers in a 15 cm dia yellow circle with number writting with black syenthic paint/ Stricker, including painting strips in alternate from bottom to top with three strips of black syenthatic paint & two strips of Yellow/ Sky blue paint (as per existing pattern through out the circumference of pole, including removing extra wall papdi ,peel off wall papdi by sand paper and making good with putty as per existing thickness and applying one coat of white washing on PCC copping of pole and re-numbering of pole with approved size of letter ( Example - P- 001) with synthetic enamel paint of white colour background and black colour lettering complete all as specified and as directed.

M & L Painting to the LT PCC poles with strips in alternate from bottom to top with three strips of black synthatic paint & two strips of Yellow/ Sky blue paint (as per existing pattern) through out the circumference of pole including one coat of lime wash on PCC copping of pole , two coat of white colour cement base paint on pole and two coat of aluminium paint to channels, cross arm, clamps and pipes fixed/ mounted on pole after scraching out old paint, cleaning and making exiting surface rust free, preparation of the existing surface, including marking pole numbers in a 15 cm dia yellow circle with number writting with black syenthic paint/ stricker complete all as specified and directed.

M & L for Tree trimming around 5 mtr around existing overhead line, removing of vegitation and bushes between one span (2.5 Mtr both side , distance between span pole to pole max 25-50 mtrs to be consider as one span) complete all as specified and directed by Enginner-In-Charge. Note:- (i) Contractor has to trim and pruning of tree to be done falls in span between pole to pole. (ii) Necessary survey of site to be done before quoting the rate. If required JCB to be used for clearing the vegitation on the rout of overhead line. (iii) Due to speedy growth of trees/ branches pruning / trimming to be done in perodicity as required irrespective of location. Location can be repeated as per the requirement and measured as per work done. (iii) After tree pruning disposal of branches and kept in stack at the site (within 100 mtrs) as directed by Eng in charge shall be done by the contractor.

M&L for lowering down flood light cage (mobile Head frame) of High mast assy of 15 mtr height, repairing, servicing of hoisting motor assy, repairing of chain, greasing of moving parts and replacement of steel rope, pulley ,repairing of elevator wrench system etc, refixing of rope from top to bottom and making the mechanism functional including hosting complete all as specified and directed by Eng in Charge.

M&L for rewinding of induction motor of single phase, 1 HP, 240 V, 50 Hz of High mast of hoisting and lowering mechanism of flood light cage with super eamelled winding wire of existing gaudge , replacement of bearing as per existing etc to make the motor functional complete all as specified and directed by EIC.

M&L for repairing of Control Panel of Hight mast assy by replacement of unserviceable parts like MCB, Contractor, auto manual switch, NO + NC switch , starter motor , replcement of u/s indicators, start stop switch , reapiring and complete wiring of panel with min 1.5 Sqm mwire all as specified and directed.

Taking down old unserviceable light fitting and Supply & fixing in replacement of LED 9 W landscape lighting bollard type pressure die cast powder coated housing with PC diffuser, efficient light output LED with IP66 including potted driver with surge protection upto 4 KV, by using 2 core PVC insulated cable aluminium conductor 2.5 Sqmm approx 2 m length complete all as specified and directed.

Taking down old and Supply & fixing in replacement of LED 25 W Post Top Lantern, energy saving, environmental friendly, long life aesthetically designed with symmetrical light distribution, spun aluminium landscape luminaire with IP66 protection high power LED as light source by using 2 core PVC insulated cable aluminium conductor 2.5 Sqmm approx 2 m length complete all as specified and directed.

Taking down and disconnecting Old unsv solar street light and Supply and fixing all in one Solar street light made with High Efficiency Mono Crystalline Solar PV Module 75 Wp under STC, Lithium Ferro Phosphate battery with in-built BMS technology, High Efficacy LED, W-LED with minimum 135 lumens per watt and UV free ,MPPT Solar Charge Controller and Aluminium Extruded body & is specially progrmmed to automatically control the dimming and brightness of light, which increases the backup time with system wattage 20 watt, 12 Volt, DC system lumen output greater than 2970 lumen, system panel module capacity 12 V, MPPT charge controller and PR Sensor with CCT 6000-6500K incl polycrysttaline cell, IP-65 with efficiency greater than 90% with adjustable tilt angle 0-15 degree complete all as specified and directed as per Engr-in-charge.

Supply & fixing in repair LED street light 60 watt (Min) 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp, Aluminum die cast housing High efficiency long life LED package in integral module with lumen efficacy of 110 lm/W (Min) and viewing angle of 45 degree to ensure better uniformity, electronic LED driver (SMPS based constant current supply) with Output Short-circuit protection, Surge protection & other reliability test as per latest IS. LED of Make Osram/Everlight/ Philips/ Nicha/ Cree/ Samsung/Bridgelux operational voltage of 170 volts to 270 volts, frequency of 50 Hz, lumen output of minimum 6000 protection grade IP 66, IK-08 CRI greater than or equal to 70% , CW available CCT of 5700K/6500K, power factor of minimum 0.95 , life span of minimum 50000 working hours cincluding necessary electrical connections by PVC sheathed copper conductor wire of 3 core x 1.5 Sqmm and necessary fixing arrangement all as specified. Note : (i) The minimum requirement of lumen efficiency, lumen output and power consumption has been specified. However, as per availability, the bidders may opted higher specification with out any extra cost. The quoted rate is deem to be included for that and no extra payment will be made on this account. (ii) The fittings should be marked 'Date of installation" and "Date of Procurement" with marker pen.

Supply & fixing in repair LED flood light 100 watt (Min) 230 V AC outdoor type with thermal management in multiple optics and equipped with IP66 protection, with impact and corrosion resistant complete with driver and lamp, Aluminum die cast housing High efficiency long life LED package in integral module with lumen efficacy of 110 lm/W (Min) and viewing angle of 45 degree to ensure better uniformity, electronic LED driver (SMPS based constant current supply) with Output Short-circuit protection, Surge protection & other reliability test as per latest IS. LED of Make Osram/Everlight/ Philips/ Nicha/ Cree/ Samsung/Bridgelux operational voltage of 170 volts to 270 volts, frequency of 50 Hz, lumen output of minimum 10000 protection grade IP 66, IK-08 CRI greater than or equal to 70% , CW available CCT of 5700K/6500K, power factor of minimum 0.95 , life span of minimum 50000 working hours cincluding necessary electrical connections by PVC sheathed copper conductor wire of 3 core x 1.5 Sqmm and necessary fixing arrangement all as specified. Note : (i) The minimum requirement of lumen efficiency, lumen output and power consumption has been specified. However, as per availability, the bidders may opted higher specification with out any extra cost. The quoted rate is deem to be included for that and no extra payment will be made on this account. (ii) The fittings should be marked 'Date of installation" and "Date of Procurement" with marker pen.

Supply and fixing of moulded case circuit breaker (MCCB) four pole Adjustable thermal-magnetic release, Ics = 100% Icu, 415 volt, 50 Cycles, 400 Amps of breaking capacity 36 KA ,Spreader Terminal after and including taking down / dismantling of old existing unserviceable one complete all as specified and as directed.

Supply and fixing of moulded case circuit breaker (MCCB) four pole adjustable thermal-magnetic release, Ics = 100% Icu, type 415 volt, 50 Cycles, 200 Amps of breaking capacity 36 KA ,Spreader Terminal after and including taking down / dismantling of old existing unserviceable one complete all as specified and as directed.

M & L for Boring of horizontal hole under road, pavement, hardstanding, by any means, suitable for passing through up to 50 mm bore, complete all as specified. Note : (i) One run of boring of horizontal hole will be measured as one unit length. (ii) All the precaution to be taken by the contractor before drilling the bore. The contractor has to take plan of existing cables any type and pipe line in existing area before drilling the bore. (iii) Any damage to existing cables any type and pipe line in the way of drilling the bore will be repaired and make good by the contractor. No extra cost will be paid on this account. (iv) Contractor has to get the survey of route, length and depth for boring before quoting the rate.

Demolition of cement Concrete (unreinforced) of any description and in any position complete all as specified.

Material and labour for earthing complete with Galvanised steel earth plate electrode 600x600x6 mm mm buried directly in ground (Earth pit not less than 2.25m below ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to GI strip 32x6 mm as earth lead by means of bolt, nuts, check nuts and washers of galvanised iron or steel, upto 7.5m length, earth strip protected by and including 40 mm dia GI pipe (light grade) and connected to main test point or body of pole/pannel or lightening arrester of main controlling switch as directed including concrete pit in PCC (1:3:6) type C1 , Precast RCC (1:2:4) Type B1 cover slab of size 54x54x5 cm reinforced with 8 mm dia TMT bars @ 100 mm C/C both ways with one handle for lifting made out of 10 mm dia TMT bar embedded in precast cover slab, funnel, wire mesh, 20 mm bore GI Pipe (Medium Grade) for watering, Charcoal and salt in alternate layers of 15 cm (Compacted Thickness) around the earth electrode including necessary excavation, earth work in any type of soil and disposal of spoil to a distance n.exc 50 m and necessary testing complete all as shown in Electrical Plate No 3 of SSR Part-I. NOTE : 1. The unit rare includes for protectionh GI pipe of 40mm and watering pipe of 20mm bore including excavation for earth pit in any type of soil/disintegrate rock. 2. Contractor has to bring agriculture soil from outside of defence land and fill in earth pit to acheive desired result as the soil resisitivity is very high. 3. The cost of GI strip of 32x6mm including protection pipe, from top of earth plate upto 7.5 meter above/below ground level is deemed to be included in the unit rate. 4. All the joints in GI strip and connectgion with earth plate to be welded through brazing and in addition by providing double brass nut bolt and washer. 5.Costing of welding and nut bolts are deemed to be included in the unit rate

Taking out old unserviceable GI/Copper earth plate/Chemical electrode from soft and hard soil from any location as directed by Engineer -in- charge.

Material & labour for earthing complete with copper earth plate electrode 600 mm x 600 mm x 3.00 mm thick burried directly in ground (Earth pit not less than 3.0 mtr deep below ground level) with top edge of the plate not less than 2.4 mtr below ground level connected to copper strip 20 x 3.00 mm as earth lead by brass nut bolts washer including brazing the copper strip with copper plate as shown in electrical plate No 3 connected to earth test point including necessary excavation for earth pit in hard dense soil, rocky / disintergate rock, filling charcoal and salt around the plate in layers , filling the pit with low resistivity agriculture soil free from stones, to be bring from out side defence land and mixed with Bentonite , (4 bags of 25 Kg each ), construction of inspection pit ( earth pit chamber) of brick work of size 600 x 600 x 600 mm with PCC copping of 1 :1.5: 3, 12.5 mm aggregate A1 with MS sheet 2.8 mm plate cover on frame of angle iron of size 40 x 40 x 5 mm with , wire mess, funnel, test point, 40 mm dia GI protection pipe light grade and 20 mm GI peforated pipe for watering etc complete and testing on completion. The electrode and lead shall be of copper all as specified and directed by Engr-in-charge (Copper strip upto 7.5 RM will be included in the item rate and copper strip beyond 7.5 RM will be measured seperately (Note : (i) Contractor shall use low reisistivity fresh agriculture soil , mixed with Bentonite , (4 bags of 25 Kg each ) for refilling the pit to achive the desired resistance. (ii) copper strip will be laid below 60 cm from ground level and connected to test point through plinth protection (iii) Necessary cost of repair to plinth protection as per existing specification and connected plate and earth continuity conductor by providing 2 x brass nuts bolts and brazing of joints, bringing argiculture soil from out side defence land and cost of 3 x Bags of bentonite deemed to be included in the item rate. (iv) Contractor has to clear the side and disposed off the excavated soil from pit on completion of work. (v) Contractor has to submit test report of earthing after completing the earthing. (vi) Bentonite clay should be Conf to IS 6186: 1986. (vii) The cost of Copper strip of size 20X3.00 mm from top of earth plate upto 7.5 meter above ground level is deemed to be included in the unit rate of above item.and copper strip beyond 7.5 RM will be measured seperately. (viii). All the joints in copper strip and connection with Earth Plate to be welded through brazing and in addition by proving brass nut bolt and washer are deemed to be included in the unit rate. (viiii) Cost of brazing / welding and nut bolts are deemed to be included in the unit rate. (ix) Cost includes removal of excavated soil upto a distance of 100 mtrs.

Taking out old GI/aluminium/copper earth strip or relaying/ refixing the same existing strip with fastners of any size and type in any height and any location as directed by Engineer In charge.

Supply and fixing copper strip of size 20 x 3 mm as earth continuity conductor or main earthing lead fixed on "V" type porcelain insulator, 4 BM, heavy duty ( ceramic bus bar support insulator off white colour of suitable for mounting strip of 20 mm wide x 3 min thick) saddle to wall, buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20 x 3 mm copper strip brazing to each joints and connected with by providing brass nut bolts and washer all as specified and directed by Engr in Charge. Note : Insulators to be provided on every 50 cm. (Minimum 2 x insulators to be provided in every 1 x metre of strip)

Supply and fixing copper strip of size 32 x 6 mm as earth continuity conductor or main earthing lead fixed on "V" type porcelain insulator 10 BM heavy duty ( ceramic bus bar support insulator off white colour of min size of 36 mm width x 60 mm length with 36 mm width bus bar mounting base) saddle to wall, buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20 x 3 mm copper strip brazing to each joints and connected with by providing brass nut bolts and washer all as specified and directed by Engr in Charge.Note : Insulators to be provided on every 50 cm. (Minimum 2 x insulators to be provided in every 1 x metre of strip)

Supply and fixing aluminium strip of size 25 x 3 mm as earth continuity conductor or main earthing lead fixed on "V" type porcelain insulators, 4 BM, heavy duty ( ceramic bus bar support insulator off white colour of suitable size for mounting strip of 20 mm wide x 3 min thick)) saddle to wall, buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required and connected with by providing brass nut bolts and washer all as specified and directed by Engr in Charge. Note : Insulators to be provided on every 50 cm. (Minimum 2 x insulators to be provided in every 1 x metre of strip)

Supply and fixing Galvanised iron strip of size 32 x 6 mm as earth continuity conductor or main earthing lead fixed on "V" type porcelain insulator 10 BM heavy duty ( ceramic bus bar support insulator off white colour of min size of 36 mm width x 60 mm length with 36 mm width bus bar mounting base) saddle to wall, buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20 x 3 mm copper strip brazing to each joints and connected with by providing brass nut bolts and washer all as specified and directed by Engr in Charge.Note : Insulators to be provided on every 50 cm. (Minimum 2 x insulators to be provided in every 1 x metre of strip)

Refixing of serviceable copper / aluminium / GI strip taken out under item No. 46.00 here-in-before, on top of "V" type procelain insulator ( ceramic bus bar support insulator off white colour of suitable size for mounting of insulator) fixing strip on insulator with brass nuts and bolt ,screws, aluminium cleats etc.( Procelain insulator if replaced shall be measured separetly) duly straightened properly and fixing in neat dressed manner as directed by Engineer in charge. Note: (i) Proclelain insulator to be measured and paid seperately under relevant item

Material & labour for porcelin insulater 10 BM heavy duty (ceramic bus bar support insulator off white colour of min size of 50 mm width x 70 mm length with 50 mm width bus bar mounting base for fixing strip of width above 32 mm to 50 mm fixing on wall for supporting the copper strip including suitable size brass nuts and bolts, washers, drilling hole on wall to fix porcelain insulator , fixing insulator by providing steel screws etc complete all as specified and directed by Engineer-in-charge.( Note : Cost of brass nut bolt and washer and steel screw for fixing insulator is deemed to be included in unit rate of item).

Material & labour for porcelin insulater 4 BM heavy duty (ceramic bus bar support insulator off white colour of min size of 36 mm width x 60 mm length with 36 mm width bus bar mounting base for fixing strip of width up to 32 mm fixing on wall for supporting the copper strip of size 20 x 3 mm and up to 32 mm width including suitable size brass nuts and bolts, washers, drilling hole on wall to fix porcelain insulator , fixing insulator by providing steel screws etc complete all as specified and directed by Engineer-in-charge. ( Note : Cost of brass nut bolt and washer and steel screw for fixing insulator is deemed to be included in unit rate of item).

Material & labour for carrying out brazing work of copper earth strip joints, after removing the nut bolt, scraping and cleaning the strip surface all as specified by Engr-in-charge. Note : Size of earth strip is 20 x 3 mm to 32 x 6 mm

Supply & Fixing in repair for thermoplastic(polycarbonate) junction box for test point without terminal block of dimension 182 x 180 x 90 mm IP 65 halogen free and weather proof including four hexagonal anticorrosive screws for out door installation including taking down unserviceable one. Make : Cape, / Hensel/Sintex.

Material & labour in repair for Test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25 mm drilled and screwed incl 3 Nos 8mm dia 25mm long hexagonal head screws for fixing strips to test point including necessary fixing arrangement to fix test point terminal block in junction box all as specified and directed. including taking down unserviceable one.

Supply & Fixing hexagonal head brass nut bolt and washer (Bolt size not less than 30 mm long from under side of head to end and not less than 6 mm dia) including taking out old rusted, corroded nut, bolt,washers as specified and directed by Engr-in -charge.

Supply & Fixing hexagonal head brass nut bolt and washer (Bolt size not less than 50 mm long from under side of head to end and not less than 7 mm dia) including taking out old rusted, corroded nut, bolt,washers as specified and directed by Engr-in -charge.

Taking down old broken and damaged earth pit chamber and M & L for construction of new earth pit chamber of brick work with plaster in outer and inner surface , copping of of PCC 1:2:4 Type A-1. Earth pit shall be of size 600 x 600 x 600 mm embedded in ground below GL 150 mm with openable PCC cover including GI funnel and wire mesh , including painting the complete pit all as specified and directed by Engineer-in-charge. Colour to be painted on complete pit to be obtain from Eng in Charge.

Material & labour GI tubing medium grade 40mm bore for fixing the air termination rods on top of pipe with necessary clamping arrangement .The GI pipe should embedded in PCC bed blocks and tied with Stainless steel wire rope for free stand alone of pipe compete all as directed. Note:- PCC bed blocks shall be measured and paid saperately under relevant item of this schedule.

Material & labour in repair Air termination, single pointed, aluminium rod 12mm dia and 300mm long complete fixed on wall/roof including fixing arrangement all as specified and directed..

Material & labour in repair Air termination, single pointed, copper rod 12mm dia and 300 mm long complete fixed on wall/roof including fixing arrangement all as specified and directed..

Supply and fixing stainless steel wire rope PVC insulated of minimum thickness 6 mm for holding GI pipe of 50/ 40 mm dia to stand straight vertical mounted with lightening arrester spike complete all specified and directed by Engineer -in-charge

Supply and fixing stainless steel wire rope clamp grip for rope clamping 'U' with nut bolts washer etc all as specified and directed by Engineer -in-charge

Supply & laying of HDPE pipe of pressure rating 6 kgf/sq.cm of size 25 mm dia for protection of copper earth strips complete all as specified and directed by Engineer -in-charge

Material & labour in repairs by following all safety precaution, PVC insulated, Single core flexible copper conductor cable, 1100 Volt, Conf to IS 694, ISI marked of size 70 Sqmm including fixing it on tower of 40 mtr height by providing GI strip clamp and also by using Heavy duty PVC tye from LA at top of tower to earthing pit on ground, and any other locations like on wall or laying on floor by providing saddles, including connecting terminals by providing copper lugs, brass nut and bolt with washer of suitable size as per site requirement to connect the cable including taking down u/s deterioted aluminium complete all as specified.

Supply and fixing Brass Copper lightening arrester 9.2 mm diameter and 915 mm in length with 5 spikes and base plate 8.5 x 8.5 cm for building protection coverage of 45 degress from the top point 1.85 m all as specified and directed by Engineer in Charge.

S&F rolled mid steel Framed work Fe-290(Gde E-165) as in display board including necessary welding, rivetting etc for earth pit and fixing complete

Writing letters or figures (Block. Roman, Italic or Indian) n exc. 30 cm high

Stops, commas, short lines, dashes, hyphens, brackets, etc.

Supply and fixing maintenance free chemical earthing of UL Listed Copper bonded Solid Steel Rods are to be used as vertical electrode. These electrodes shall be made of high tensile low carbon steel rod, molecular bonded with 99.9% electrolytic copper with minimum bonding thickness of 254 microns - 25 mm dia copper bonded rod with minimum length of 3048 mm (10 ft as per UL) and as per IEC 62561-2. Universal clamp of required size should be made up of SS304. Polypropelene Earth pit chamber of size 300x300x190mm. Earth enhancement compund of resistivity 0.018 ohm meter - 25kg should be used made graphite and carbon should be of conductive concrete based mineral compound producing low resistance of an earth termination system. The job includes boring of 100 mm dia bore up to 3.2 mtr depth in any type of strata/ soil for placing/ lowering the pipe in pipe electrode. Material of the earthing enhancing compound shall be chemically inert to subsoil. It shall not pollute the environment. Below test report should be submitted for Earth rod should be tested CPRI tested for 87.5 kA Ipeak and 35 kA Irms for 1 sec and test reports for Marking, Dimension, Electrical resistance before and after salt mist test, tensile strength, bend test , adhesion test. The compound shall be tested and certified as per IEC 62561-7 and also fulfill Toxicity Characteristic Leaching Procedure (TCLP) requirements complete all as specified and as directed. Make: CAPE or equivalent Note : (a) The job includes excavation of pit in any type of hard dense soil/ disinterigated rocky strata (b) The job also include M & L for in PCC(1:2:4) type B1 around the FRP cover for support and foundation and colouring the PCC work with desired colour.

T K Construction (BID ID -3082413)

SHARMA ENTERPRISES (BID ID -3082495)

M/s Antara (BID ID -3082578)