SPECIAL REPAIR/REPLACEMENT OF LIGHTS AND CONNECTED WORKS AT AIR ENCLAVE AND SPECIAL REPAIR/REPLACEMENT OF EARTHING PITS AND MISC WORKS AT CERTAIN LOCATIONS AT AF STN BAMRAULI

Amount

Disconnecting & dismentling of damaged/unsv cable any type /make and Supply & laying (in repair) cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor using lugs/ferrul both end of cable and testing complete all as directed for following size :-

(a) 06 Sqmm 4 core

(b) 10 Sqmm 4 core

(c) 16 Sqmm 4 core

(d) 25 Sqmm 3.5 core

Excavation in trenches not exc 1.5 Mtr wide and n.exc 1.5 mtr in depth, getting out for electric cable complete in any type of soil complete all as specified and dirercted Note :-For the digging of soil , JCB machine will not be allow at site, it will be done by labour only and contractor will be responsibleto repair the existing cable , pcc plinth etc without extra cost which will be damaged during execution of wk.

Removing surplus excavated soil to a distance n.exc 50 mtr and depositing where directed at a level n. exc 1.5 mtr above starting point complete all as specified and directed.

Returning, filling in, soil obtained from excavation including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete all as specified and directed.

Supply and laying bricks (old size) for cable protection by using common burnt clay building bricks, sub-class 'B' of size 230x11.5x7.5 cm having crushing strength not less than 75 Kg/sqcm, laid dry flat across length of the cable with width of the trenches equal to length of bricks, all as specified and directed

Supply and laying sand dry as in cushioning of under ground electric cable in trenches, laid to a uniform thickness of 23 cm (15 cm under the cable & 8 cm over the cable) and gently punned down to 18 cm thickness all complete as specified and directed (Note - Only punned thickness will be measured for payment purpose)

M&L for boring under road horizontely of size 40 mm bore using GI pipe for passing of cable in road/path in hard/soft/ loose soil complete all as specified and directed.

M&L (in replacement) for 50 mm bore GI tubing 'light grade' with all necessary fittings laid in trenches/under road crossing/fixed on pole/wall/under floor including suitable mild steel FI clamps of required size complete all as specified and directed

S&F (in replacement) Pole box junction three phase of size 255x 205 x 112 mm, made of plastic body in white color,use for outdoor installation IP66 and inbuilt locking arrangement, fix to pole with suitable MS clamp comprising of cable terminals point fix on epoxy insulated support with one controlling MCB 6 Amp 10 kA 240 volt complete all as specified and directed.

S&F (in replacement) bracket for street light made out of 40 mm bore GI pipe medium grade not less than 1.2 mtr length bent at 120 degree to shape fixed on pole/wall with and including 50x6mm FI clamps = 02 Nos with nut bolts, washers including painting of clamps with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed

S&F (in replacement) of MS bracket for mounting flood light fitting made out of MS angle iron of size 40x40x6 mm of length not less than 1.0 mtr, fixed to pole/ earth and grout using PCC & clamp, nut & bolts including painting of bracket with one coat of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed

M&L (in replacement) for sub main wiring with 2 x 4.0 Sqmm + 1 x 4.0 Sqmm earth wire , FRLS PVC insulated unsheathed flexible copper conductor (Multistrands), single core , 1100 Volts grade along with FRLS PVC insulated unsheathed flexible copper conductor (Multistrands) in green colour as continuous earth wire conforming to IS 694 with latest amendments and ISI marked, drawing in recessed/surface/under ground steel conduct and making incoming / outgoing electric connections by using required size copper lugs / thimbles, making good to disturbed surface to match with existing including removal of existing old complete in all respect as specified and directed.

S&F (in replacement) switch socket combination multipurpose 2 in 1, 6 pin, 6 and 16 Amp, and flush type universal for power point wiring complete all as specified and directed.

S&F (in replacement) Metal flash box 4 module for fixing of switch socket combination of thickness 1.2mm painted with black color in and out side before fixing on wall complete all as specified and directed.

M&L for busbar chamber box of 1.6 mm sheet with tinned plated 04 Nos copper bars of following bus bar and following box size, factory made, suitable for pole/wall mounted including all connections with aluminum strips/lugs, glands to be provided at cable entries, powder coated paint complete for the following rating:-

Bus bar of rating 100 Amp

Bus bar of rating 200 Amp

S&F in replacement of LED street light fitting of following capacity, 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 all as specified and directed.

S&F in replacement of LED flood light of following capacity, 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 complete all as specified and directed

S&F in replacement of post top lantern LED type of following capacity, 230 watt volts AC outdoor type with decorative post top for 360 degree indirect light IP 65 protection with impact and corrosion resistant complete with driver and lamp complete all as specified and directed

S&F in replacement of Flexible LED strip 25W, IP 65 WW uses high brightness, transparent,Heat resistant with PVC covering duly visible in dark from far off distance fitted with suitable connectors for inter connection along with driver complete all, plug and socket arrangement suitable to be fitted on edges of buildings, pathways and outer periphery of boundary walls Maingates, Hardstandings etc complete with clamping at suitable distance to take the shape of required physical structure of Warm white complete all as specified and directed

S&F MCB DB double door type, comprising of one MCB TPN 32 Amp 'C' series 415 volt incl fixing of DB on pole/ wall with suitable arrangement for the garden light incl making wall surface smooth as existing using plastering and white wash complete all as specified and directed.

S&F in replacement of new generation, LED Bollard in cylinderical shape, energy saving, environment friendly, long life aesthetically designed aluminium landscape luminaire for diffused lighting with high power LEDs as light source & IP65 protection including connection with PVC insulated & sheathed stranded copper conductor cable three core of size 2.5 Sqmm complete all as specified & directed (Make-Bajaj Cat Part No.BGBOL 605 9W LED WH (1.0 M) or equivalent in Havells/Philips/CG etc as approved

Taking down corroded Earth continuity GI/Aluminium/Copper strip fixed to wall on batten or any other indicated situation with porcelain vitreous white seperators complete and make good to surfaces

S&F 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 4mm dia galvanised iron or steel wire, complete all as specified and directed

S&F 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 20x3 mm dia Copper strip, complete all as specified and directed

S&F 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 32x6 mm dia GI strip, complete all as specified and directed

S&F 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 25x3 mm dia aluminium strip, complete all as specified and directed

S&F cast iron pitcover of existing size on earth pit with carring handle

Supply and pouring earth resistance lowering gel to reduce the earth resitsivity without excavating the soil, high viscosity in nature to be absorved by soil which creates bondage between electrode and soil, 6 kg contain in bucket Make Acculec power or other equivelent makes as approved.

M&L for repair of chemical earth pit by using liquid chemical earthing solution (not less than 10 Kg) and mixing with water and filling into the chemical earth pit to achieve the result less than 01 Ohm complete all as specified and directed

Supply and lay 16 sqmm single core multistranded, PVC insulated copper conductor cable as earth continuty from strip to highly sensitive equipment which reqire zero voltage in neutral to earth complete all as specified and directed

S&F down conductor ISI marked 35 Sq mm PVC insulated copper flexible wire including both end termination, suitable size cable clamps, copper thimbles, nuts bolts etc. Test point to the Earth pit terminal complete all as specified and directed

Supply, install and testing of maintenance free chemical earthing system confirming to IS: 3043 and as per the detailed specification given below :

(a) Earth Electrode : The Earth electrode shall be non-corrosive, solid steel round rod of size 17.20mm dia, 3000mm long, made of high tensile low carbon steel with molecularly bonded copper coating of thickness 250 microns on the outside.

(b) Bore hole : The electrode shall be installed in a 1200 mm dia 3000mm deep augured bore hole and to be filled 400 mm outer dia with black soil (Note:- Rates should be incl supply and filling of black soil in proper manner.)

(C) Ground enhancing compound : The augured bore hole shall be filled with highly conductive and eco friendly ground enhancing carbon based backfill compound suitable for any type of soil. The quantity of ground enhancing compound shall not be less than 30 Kg per pit.

(d) Earth termination clamp : The electrode shall be provided on its top with an earth termination clamp made of electrolytic grade copper for connecting earth continuity conductor with stainless steel hardware.

(e) Earth chember : PCC chamber 300 x 300 x 300mm with cover shall be provided on the top of the earth system on 100mm thick PCC 1:3:6 bed concrete. The Chamber shall be flushed with the ground surface.

(f) Earth point test box: Copper strip of size 25X3 mm size, 200mm long mounted on insulators and enclosed in MS sheet box made of 2 mm thick and size 250X200X120 mm sloped top outdoor type duly painted with two coats of synthetic enamel paint over a coat of red oxide primer shall be provided at a suitable location.

(g) Copper Strip : Copper strip of size 25X3 mm from earth pit to test point box upto 7.5 meter.

M&L for earthing pit display boards made out of 3mm thick MS sheet of suitble size welded to suitble size MS angle iron grouted in PCC 1:3:6 (with 20mm stone aggregate) to a depth of 20 cm and applying two coats of synthetic enamel paint of approved color over a coat of red oxide primer and writing the letters on plate for showing the following details: 1. Earthing Pit No : 2. Date of Measurment : Note : Shape, size and colour of display board should be approved Engr in Charge before fixing on site.

M&L for repair of chemical earth pit by using liquid chemical earthing solution (not less than 10 Kg) and mixing with water and filling into the chemical earth pit to achieve the result less than 01 Ohm.

M&L for porcelain vitreous white seperators and fixing screws etc . to be refixing alongwith the pole and wall with existing copper strip complete all as directed by Engr in Charge.

M&L for dismanteling of of old damaged /cracked PCC of earth pit and prepare the new Earth pit using PCC 1:2:4 type B-1 with 20 mm graded stone aggregate alongwith the cover as per existing with handle complete all as specified and directed .

Supply, installation, testing & commissioning of Tripod Chemical Earthing (i.e Three chemical earthing are individually connected in Delta form through copper strip) which include : (i) Three Nos 3000 mm long 50 mm dia copper bonded rod with top removal compound filling cap, seeppage holes, stainless steel fasteners, HDPE Lockable earth pit cover cum inspection chamber along with 150 Kg of Earth Enhancement Back fill compound including digging of pits. (ii) Coper earthing strip 25x3mm for interconnection of all thre pits along with GI light grade protection pipe 32 mm dia of all three pits along with necessary clamps, nut bolts and brazing work. (iii) Any other accessories including design modifications, to achieve the required earth termination rod resistance value below 1 ohms or as per the OEM / International Standard recommendation complete all as specified and directed

S&F test point terminal block made of gun metal or phosphorus bronze size 75x75 25 mm drilled and screwed including 3 Nos. 8 mm dia 25 mm long hex head copper screw complete as specified and directed.

S&F in replacement rusted nuts & bolts with stainless steel nuts and bolts any type any size as par existing as directed.

M&L for removing strip any size from site and after soldering and brazing earthig joints with brass solder various location fixing the same place and testing complete all as specified and directed by Engr-in-Charge.

Earthing complete with galvanised steel earth plate electrode 60 x 60 cm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised iron wire 4mm dia as earth lead wire by means of brazing of galvanised iron or steel all as shown in Electrical plate No. 3, MES SSR Part I- 2009 with 15 mm dia medium grade GI pipe as a protection to earthing lead and 20 mm dia medium grade GI pipe for watering purpose including excavation & earth work in any type of soil, funnel, wire mesh, RCC pit with cover, cast iron frame complete and connected to earthing test point all as specified or indicated including testing on completion. Notes (i) The concrete pit shall be PCC (1:3:6) type C-1, 40mm thick precast cover slab of RCC with suitable Mild steel handle in lieu of cast iron cover shown in electrical plate No 3 of MES SSR Part-I (ii) PCC pit shall be provide at least 500 mm away from the earth pit and not on just on the eath pit and extra cost of additional length of water pipes and fittings junction etc shall be deemed to be included in the rate. (iii) Item includes the cost of 7.5 metre earth lead wire and GI pipe for protection of earth wire. Any varriation in quantity shall be adjusted under respective item of this schedule.

Earthing complete with GI earth plate electrode of size 60cm X 60cm X 6mm buried directly in ground vertically at a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filling in alternate layers etc and connected to and including GI strip of 25 x 6mm size up to 7.5 mtr by means of bolts, nuts, check nuts and washers made of galvanised iron and protected by light grade 40mm dia 5 mtr long GI pipe connected to main control board and GI pipe light grade 20mm bore for watering making necessary zigzag holes for water spreading and including funnel, wire mesh, RCC pit cover 50mm thick and PCC chamber pit with PCC 1:2:4 type B1 (including excavation and earth work disposal of surplus soil to a distance not exceeding 50 metre) and testing after completion all as specified and as directed and shown on plate No 3 of SSR Part-I 2009. Note : Earth strip beyond 7.5 mtr will be measrued and paid separately under relevant item of this schedule.

Earthing complete with Copper earth plate electrode 60 x 60 cm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised iron wire 20x3 copper strip by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in Electrical plate No. 3, MES SSR Part I- 2009 with 25 mm dia medium grade GI pipe as a protection to earthing lead and 20 mm dia medium grade GI pipe for watering purpose including excavation & earth work in any type of soil, funnel, wire mesh, RCC pit with cover, cast iron frame complete and connected to earthing test point all as specified or indicated including testing on completion. Notes (i) The concrete pit shall be PCC (1:3:6) type C-1, 40mm thick precast cover slab of RCC with suitable Mild steel handle in lieu of cast iron cover shown in electrical plate No 3 of MES SSR Part-I (ii) PCC pit shall be provide at least 500 mm away from the earth pit and not on just on the eath pit and extra cost of additional length of water pipes and fittings junction etc shall be deemed to be included in the rate. (iii) Item includes the cost of 7.5 metre earth copper strip and GI pipe for protection of earth strip. Any varriation in quantity shall be adjusted under respective item of this schedule.

Note :- Credit shown in credit schedule of tender document shall be considered by the tenderer while quoting the rates of various items. The same shall be recovered from various payment to contractor before handing over old material

Krishna Enterprises (BID ID -3147671)

Ambrish Builders (BID ID -3151063)