SPECIAL REPAIR TO LIGHTENING ARRESTOR FOR 321, 318 AND 325 HANGERS AT INS UTKROSH AND SPL REP TO BLDG SECURITY LIGHTS AT SHAURYA VIHAR AND UTKROSH AREA UNDER GE MINNIE BAY PORT BLAIR

Amount

Material and labour for earthing with copper earth plate electrode 600 mm x 600 mm x 3.15 mm thick, buried directly in ground vertically to a depth of not less than 2.25m below ground level connected to copper strip 25 mm x 3 mm for protection of earth lead and connected to control board or transformer neutral earth or as directed including earthing pit in PCC (1:3:6) type C-1, pre-cast reinforced cover with MS XPM Jalli, RCC 1:1.5:3 cover slab of size 300 x 300 x 100 mm with one handle made out of 8 mm dia round bar 20 mm dia GI pipe light grade for watering funnels , wire mesh and provided charcoal or coke of alternative layers of 15 cm including necessary earth work complete shown in electrical plated No 3 and testing complete all as specified and as directed by Engineer-in-Charge. NOTE : (i) The earthing pit should be provided with proper earth pit and pit cover. Pit cover should be painted with synthetic enamel paint of approved colour and pit number to be marked on a GI plate above 45 cm from ground level as per colour code followed in Station. (ii) If the desired earth resistance is not achieve during testing as per IS the complete earthing shall be recarried out by the contractor at his own cost and no extra claim shall be admissible.

Supply, installation and testing of chemical earthing in specially developed Tripod system consisting of 3 Nos of chemical earthings equally spaced at a distance as per IS 3043 & IEEE80 with each earthing consisting of 99.9% copper earthing electrodes, minimum outer dia 50mm, 3 mtr long pipe with internally high grade earth enhancement chemical filling compound to provide better conductivity to rod, not less than 50 Kgs high grade earthing compound to provide earthing value less than one ohm and connecting entire tripod earthing system with 32 x 6 mm copper strip complete,Earh enhancement compound suitable for all soil conditions to increase the life of the earthing electrodes non toxic, non reactive non explosive and environmently freindly including complete all as specified and as directed by Engineer-in-Charge. Note : The quoted rate includes the following (i) Auguring or boring a hole of 4-6 inches in diameter to a suitable depth of not less than 3m.T&P required for auguring or boring complete.(ii) Placing of electrode in a center of pit.(iii) Mixing an earth enhancement compound in a bucket and make slurry.(iv) Pouring that slurry in a hole surrounding the rod.(v) Providing 99.9% copper earth electrode.(vi) Connecting the copper strip with the copper busbar mounted on insulator.(vii) Providing a earth pit & pit cover on the installed earthing.

M&L 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 2.25m deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using Galvanized earth strip 32x6 mm size connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 15 mm dia GI pipe medium grade for protection of G1 earth wire and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type CI chamber. MS funnel, wire gauge. 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos. 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50m, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I.

Note for item No 01 to 03 : (i) Cost of GI earth wire and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item.(ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returninng & filling, PCC chamber pit, RCC cover & test point. (iii) PCC pit shall be provided at least 500mm away from the earth pit and not just on the earth pit.(iv) All accessories required for galvanised steel plate electrode required, as specified and as directed.

S & F GI earth continuity conductor or main earthing lead of size 32X6 mm 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 indicate location including making grid of strip on hanger roof for earthing etc. as required complete all as directed. Note :The quoted rated is inclusive of T & P for fixing strips on the hanger walls and roof upto the height of hanger.

S & F copper earth continuity conductor or main earthing lead of size 25x3 mm 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 indicate location including making grid of strip on hanger roof for earthing etc. as required complete all as directed at site by Engr in charge. Note : The quoted rated is inclusive of T & P for fixing strips on the hanger walls and roof upto the height of hanger.

S & F Copper earth continuity conductor or main earthing lead of size 32X6 mm 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 indicate location including making grid of strip on hanger roof for earthing etc. as required complete all as directed by Engr in charge. Note : The quoted rated is inclusive of T & P for fixing strips on the hanger walls and roof upto the height of hanger.

Supply and fixing test point terminal block made of gun metal or phosphorous bronze, size 150mm x 150mm x 75 mm thick, drilled and screwed including 3 Nos. 8 mm dia. 25 mm long hexagonal head screws, including MS box 2 mm thick of suitable size for protection of test point terminal, complete all as specified and as directed by Engineer-in -charge.

Supply and fixing Air termination, single pointed, Aluminium rod 12mm dia and 300mm long fixed on top of the fourth floor with aluminium strip for earth conductivity to ground complete all as specified and as directed by Engineer-in -charge.

S&F Porcelain insulators 15 BMD size 'T' type with nut bolts / screws for fixing of copper / aluminium / GI strips on roof/walls etc inculding removal of exiting broken insulator with nut bolts washer all as specified and as directed at site by Engineer-in-charge.

S&F Lightening even counter, totally autonomous, IP-65, Dimension 150 x 65 x 52mm, Registry minimum 1 kA,Temp -25 to +70 celcius made of polycarbonate with support sheet and screws including making provision for fixing on down conductor of existing air terminals all as specified and as directed at site by Engineer-in-charge. Make : Model No AT-034G or equivalent.

M & L for Point wiring for one light point controlled by one 05 amps switch with 1.5 Sq.mm (nominal area) PVC unsheathed multi strandard copper conductor pvc insulated 1100 volt FRLSH grade multistranded cable drawn through and including PVC casing caping/conduit ISI marked minimum 20mm size and its accessories complete along with 1.5 Sqmm FRSLH cable but in green colour as continuous earthing wire and connecting to common earth dolly completely concealed ,surface,in walls/ceiling/roofs with and including 1.2 mm thick MS sheet terminal boxes duly fabricated flush mounting in the wall for mounting switches,switch socket combinations fan regulators etc., as required with 3 mm thick plastic laminated sheet top cover complete all as directed and specified for Engineer-in-Charge.

Supply and fixing LED street light fitting 35Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete and accessories complete mounted on 25 mm dia light grade GI pipe bracket 1.0m long bent to shape, mounted on wall,connection complete.including necessary fixing arrangement complete all as directed and specified for Engineer-in-Charge.

Supply and fixing LED street light fitting 70Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete and accessories complete mounted on 32 mm dia light grade GI pipe bracket 1.0m long bent to shape, mounted on wall,connection complete.including necessary fixing arrangement complete all as directed and specified for Engineer-in-Charge.

M & L for providing Plain Cement Concrete type B1 (1:2:4) Nominal mix using 20 mm graded aggregate as in copings of poles etc including formwork complete all as specified and directed by Engineer-in-Charge.

Material and labour for Plain Cement Concrete (1:3:6) Nominal mix type C-2 using 40mm graded aggregate as in foundation for filling in, mass concrete for pole and stay including formwork complete all as specified and directed by Engineer-in-Charge.

Supply, laying of Telerex DWC (double Wall corrugated) HDPE pipe ISI marked of outer dia of 50 mm and inner dia 38 mm polethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure under ground cable complete all as specified and directed by Engineer-in-Charge.

Supply laying and testing in replacement LT underground cable 4 core 16sqmm XLPE insulated armoured and PVC sheathed LT 1100 volts grade with aluminium conductor stranded of following sizes including suitable gland, crimping of lugs complete all as specified and directed by Engineer-in-Charge. Note : Excavation, returning filling and removal of surplus soil for laying of cable in trenches shall be measured and paid separately.

S&F of GI tubular swaged poles complete with GI base plate finial taper plug, bolts, nuts and screws, with two holes for drawing conductor between pole box to street light fitting all as specified type 410 SP-31 of height 9metre including necessary Earth work,PCC foundation coping etc and taking down of existing old electric pole complete all as specified and as directed by Engineer-in -charge.

Supply & fixing IP 66 thermoplastic-polycarbonate cable junction box of size 205X255X112 with terminal which is totally shock proof, water proof, halogen free, silica and having internally embedded gasket technology fixing on pole / surface / frame with the help of GI clamp of required size / self drill screw ,one no of MCB SP 6 Amp and four way Connector complete all as specified and as directed by Engineer-in -charge.

Excavation in trenches, not exceeding 1.50m wide and not exeeding 1.50m in depth for foundations, trenches of cable or pipe lines etc or and getting out in soft / loose soil complete all as specified and as directed.

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

Removing excavated materials (soil) to a distance not exceeding 50 meters and depositing where directed at a level not exceeding 1.5 meters above the starting point complete all specified and as directed.

Materials and Labour Cutting /boring of existing road / path , hardstanding etc for taking out cable and GI protection pipe with iron cover plate for passing cable,water pipe and making good the disturbed road top surfaces with following bitumen road repair mix / Plain Cement Concrete 1:2:4 B2 using 40mm graded aggregate with appropriate slope/camber complete all as specified and directed by Engineer-in-Charge.

S & F GI earth continuity conductor or main earthing lead of size 32x6 mm 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 earthing etc. as required complete all as specified and directed by Engineer-in-Charge.

M&L for Painting to Steel tubular poles 9 m long with one coat of Synthetic enamel paint and black/yellow combination Zebra marking up to 1 m from ground level / coping remaining Job portion painting with one coat of aluminium paint including preparation of old painted surfaces and painting the pole terminal etc. and painting pole number in appropriate size, thickness, colour complete all as specified and directed by Engineer-in-Charge.

S & F rectangular LED Flood Light with innovative thermal management and available in multiple optics and equipped with IP66 protection and to be fixed on the top of the rappel tower with necessary arrangement to hold the light suitable for 1X80 watt flood light fitting including taking down of existing old light fitting complete with accessories complete all as specified and as directed

S & F in replacement of water proof LED strip 12 watt 24v warm white colour for decorative illumination, with power adopter. The cost is inclusive of adhesive required for fixing including taking down old unserviceable all as specified and as directed by Engr in Charge.

S & F in replacement energy efficient post top LED canopy bollard outdoor garden light fitting 12 watt with IP 65 , 240 volt, protection high quality integrated LEDs assuring soothing warm white light. including all necessary excavation,PCC work, including GI pole of appropriate height, wiring , clamps, nut and bolts for mounting accessories etc including taking down old unserviceable fitting all as specified and directed by Engr in Charge.

Supply and Fixing in repair ACP (Aluminium composite panel board) Glow sign board along with pipe bracket with accessories including synthetic vinyl sheet computer inject printing high quality weather protected transparent sheet, fixing in wall/floor/gate with suitable tools and plants,painting complete, light grade GI pipe duly grouted/frame work for main gate including PCC type B2 (1:2:4, using 40mm graded crushed stone aggregates) including all necessary fixing arrangement as per site, including taking down old unserviceable glow sign board all as specified and as directed by Engr in Charge. Note: The detailed specifications of ACP board along with computer design sample shall be submitted to the Engineer-in-Charge for approval.

Supply and Fixing in replacement LED gate light fitting, outdoor type, luminaries of 40W WH with made in pressure diecast housing body finish black and high output emitter LED and IP-54 protection including taking down the defective light fitting of any capacity all as specified and as directed by Engr in Charge.

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