CERTRAIN REPAIR/REPLACEMENT OF LT XLPE CABLES AND MISC ITEMS FOR SECURITY LIGHT AND COMPREHENSIVE REPAIR AND MAINT OF EARTHING INFRASTRUCTURE OF EQUIPMENTS, OTM BLDGS, LIGHTENING PROTECTION IN TECH AREA AT AF STN JODHPUR

Excavation in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for laying cables and getting out in hard/ dense soil complete all as specified and directed.

All as per serial item No. 1.00 here-in-before but depth exc. 1.5m and not exc. 3m.

Returning filling in excavated soil including spreading, levelling and well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

Removing surplus excavated material to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and directed.

M&L for sand cusioning of tibba sand for XLPE cable with screened and washed sand and punning to provide a required cover complete all as specified and directed. Note:- Punned thickness shall only be measured for payment.

M&L for plain cement concrete (1:3:6) type C2 (using 40mm graded stone aggregates) as in foundation, filling and mass concrete complete all as specified and directed.

M&L for plain cement concrete (1:2:4) type B1 (using 20mm graded stone aggregates) for coping including form work etc. complete all as specified and directed.

M&L for plain cement concrete (1:4:8) type D2 (using 40mm graded stone aggregates) as in foundation, filling and mass concrete complete all as specified and directed.

S&F in replacement steel tublar swaged poles type 410 SP - 31 of 9 mtr long complete with CI base plate and finial tapper plug complete all as specified and directed.

S&F in replacement of XLPE armoured LT UG cable 2 Core x 10 Sqmm, 1100 volts grade, heavy duty aluminium standard conductor with PVC insulated, including suitable sizes of Al lugs and gland packing complete all as specified and directed. Note:- Earth work, DWP pipe, GI pipe will be measured and paid separately.

All as per serial item No. 10.00 here-in-before but size of cable 4 Core x 16 Sqmm.

Supply and laying in repairs (HDPE) DWC pipe of size 50mm dia for LT cable protection including sockets, bends etc. complete all as specified and directed by Engr-in-Charge.

Supply and laying in repairs (HDPE) DWC pipe of size 90mm dia for LT cable protection including sockets, bends etc. complete all as specified and directed by Engr-in-Charge.

M&L in repairs for earthing complete with GI earth plate electrode 60cm x 60cm x 6.0mm thick and buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to GI earth plate with GI wire of size 04 mm by means of bolts, nuts and washers of steel all as shown in electrical plate No. 3 including PCC pit with (1:3:6) type C1 in cement concrete 40mm thick precast RCC cover in (1:2:4) type B1, reinforced with 8 mm dia MS round bar @ 75 c/c both ways with 01 No lifting handle of 12 mm dia MS plain bar, GI pipe 15mm dia light grade for GI wire protection and GI tubing 20mm for watering including GI funnel with wire mesh etc. complete all as specified and directed by Engineer-in-Charge. Note:- (i) Item includes the cost of 7.5 metre GI pipe for protection of earth lead. (ii) Item includes the cost of 7.5 metre GI earth lead.

Supply, fixing and connecting in repair of FRLS PVC insulated twin core 2.5 Sqmm unsheathed multistranded copper conductor cable complete all as specified and as directed.

S&F in repairs on pole/ wall PVC conduit super quality of size 20mm dia complete all as specified and directed by Engineer-in-Charge.

S&F in repairs of 6 sqmm 2 core, LT, 1100 volts grade, PVC insulated and PVC sheathed, solid aluminium conductor cable, flat type, 1100 volt in service connections etc. complete all as specified and as directed.

M&L in repairs for 50mm bore GI tubing, light grade, laid in trenches/ fixed to poles, walls etc. as protection of service cable complete all as specified and directed.

S&F in replacement of LED street light 90W made up of pressure die-cast housing with epoxy powder coated dark graphite grey colour finish with IP 66 protection 230 Volt with all connected accessories required complete all as specified and directed by Engr-in-Charge.

S&F in replacement of LED flood light 150W made up of pressure die-cast aluminium housing with high efficient LED as lighting source with toughened glass having IP 66 protection 230 Volt with all connected accessories required complete all as specified and directed by Engr-in-Charge.

S&F in replacement of LED flood light 200W made up of pressure die-cast aluminium housing with high efficient LED as lighting source with toughened glass having IP 66 protection 230 Volt with all connected acessories required complete all as specified and directed by Engr-in-Charge.

S&F in repair GI pipe bracket bent to shape, drilled, welded, made out of light grade GI pipe of 40mm bore, 0.9 mtr long for fixing of street light fitting of any type and description including suitable size of MS clamps, nuts, bolts and washers including two coats of aluminium paint over one coat of red oxide primer complete all as specified and directed.

All as per serial item No. 22.00 here-in-before but GI pipe of 32mm bore.

S&F in repair PVC cable junction box for street light including 6 Amp MCB SP with aluminium bus bar TPN for controlling the street lights complete with pole mounting type of size 300mm x 200mm x 105mm with 02 Nos. MS clamp of MS flat iron with bolts, nuts and washers complete all fixed on poles/ walls complete all as specified and as directed by Engineer-in-Charge.

S&F in repairs MCB DP, 06 to 32 Amp compete all as specified and directed.

S&F in repairs MCB 04 pole, 40 Amp, 415 Volts complete all as specified and directed.

M&L for painting of steel tubular LT poles of 9.0/ 11.0 mtrs with two coats of aluminium paint including painting to cross arms and clamps etc. including preparation of surfaces by scrubing and cleaning with wire brush complete all as specified and directed.

M&L for marking of pole serial number with black luminous words on luminous yellow round sticker as per sample complete all as specified and directed.

Supply, fixing and testing in repairs of decorative LED post top lantern 40 watt with IP 65 protection complete all as specified and directed.

Attending and fault detection of day to day street/ security light (LED, MH/ SODIAM flood light fittings etc. of any make) complaints received through telephone or in person and rectification of defects installed on dispersal and high mast light poles, sun shelter lights, hanger light, perimeter light, watch tower light bringing down the fittings on ground or in position including cleaning of glass/ acrylic cover for clear reflection of light, jumper fixing, loose connection, GI bracket tightening, checking the connection of street light FRP junction box, light allignment, replacement of flexible wire, tightening of flood light safety chain in hangars, proper insulation of cannection (VMTL vehicle, ladder, tools, LT tape and takes as required at site for repair/ for making light fittings functional shall be provided by the contractor at his own cost and arrangement complete all as specified and as directed by Engineer-in-Charge.

Notes for item No. 30 above:- (i) Light fitting, MH CHOKE, MH bulb, ignitor, driver, SPD if required to be replaced in repair shall be measured and paid separetely under relevant item of this BOQ for supply only. (ii) Contractor shall provide/ deputed sufficient number of electricians and helpers (as directed by Engineer-in-Charge) to attend the complaints and reactified the same within 24 hours of receipt of complaints. (iii) Contractor manpower should attend daily to recieve complaints at complaint cell at 9.00 AM from JE E/M and report after completion of complaints and handover a complaint slip to JE E/M with user's signature as a record of attending the complaints for payment purposes. (iv) Contractor will depposit new material to Engineer-in-Charge for acceptance and then material will be issued by JE E/M daily based on assesment of complaints. (v) Old retrived material shall be deposited in AGE E/M yard and will be given to contractor after completion of contract.as directed by EIC.

M&L for attending of complaint of existing 12mtr long high mast light of any type, any wattage and any make, complaints received through telephone or in person and identification of defects, bringing down the system upto a normal height be manual/ motorized and fixing at the same position after rectify the defect including flexible wire of required size, cleaning of light fittings for clear reflection of light, as required to make the light fitting functional (vehicle, ladder, tools and takes as required at site for repair/ for making light fittings functional shall be provided by the contractor at his own cost and arrangement complete all as specified and as directed by Engineer-in-Charge. Note:- (i) Contractor shall provide/ depute sufficient number of electricians and helpers (as directed by Engineer-in-Charge) to attend the complaints and rectified/ replacement of parts. (ii) Contractor's manpower shall attend daily to receive complaints at complaint cell at 9.00 AM from JE E/M and report after completion of complaints and handover a complaint slip to JE E/M with user's signature as a record of attending the complaints for payment purposes.

M&L for repair of mechanism of high mast and rewinding of three phase tower motor 440 Volt AC if burnt including dismantling from high mast transport to workshop for rewinding with existing size of super enameled copper wire, replacing of gear, bearing bush etc. for running of rope at satisfoctory level and re-installation complete all as specified and directed.

Supply only electric driver 90 watt for repair of the LED/ Flood light fittings complete all as specified and directed.

All as per serial item No. 33.00 here-in-before but electric driver of 150 Watt.

Supply only surge protection device rated 5kv for LED type fitting complete all as specified and directed.

S&F in repair automatic street light timer using nature switch for automatic switching of street light based on LUX level of natural light. The sensor (nature switch) alongwith suitable power contactor, MCB and support terminal should be enclosed in pole/ wall mountable enclosure made of rust proof, electric shock proof, termite proof and FF grade SMC junction box (sintex make) conforming to IP 54 suitable for three phase of 12 KW complete all as specified and directed. Make:- Model Swadeep - 02EC12kW3P of make Nature switch or equivalent in legrand/ siemens as approved by GE.

S&F in repair modular power contactor type MNX 9 of rating 9 Amp complete all as specified and directed by Engineer-in-Charge.

S&F in repair modular power contactor type MNX 12 of rating 12 Amp complete all as specified and directed by Engineer-in-Charge.

S&F 120 LED 220 V tiranga street pole light 2835 SMD tiranga rope light 18 metre roll IP 65, power factor >0.9, Radiation : No harmful UV radiation premium material used for longer life and reliability, energy saving and environment friendly, well distributed diffused light, reduce eye strain, over voltage protection, eco friendly light Indian Flag light complete all as specified and directed by Engineer-in-Charge.

M&L for checking of earthing resistence of 150 Nos. critical earthing and E-N voltage monthly with caliberated earth tester meter and multimeter including recharging of earthing with chemical, maintaining the earth testing record, rectification of earthing related fault also complete all as specified and directed by the Engineer-in-Charge. Note:- (a) Testing record and rectification of earthing shall be signed by user and JE (E/M) and verified by Engineer-in-Charge. (b) Measurement of one month shall be treated as one job. (c) Chemical required for recharging of earthing shall be paid separately as supply only.

M&L for checking of earthing resistence of 1250 Nos. earthing and E-N voltage quarterly with caliberated earth tester meter and multimeter including recharging of earthing with chemical, maintaining the earth testing record, rectification of earthing related fault also complete all as specified and directed by the Engineer-in-Charge. Note:- (a) Testing record and rectification of earthing shall be signed by user and JE (E/M) and verified by Engineer-in-Charge. (b) Measurement of three month shall be treated as one job. (c) Chemical required for recharging of earthing shall be paid separately as supply only.

Supply only of Potassium Nitrate (commercial name kalmi shora) in the earthing chambers for improvement of the existing earthing resistence complete all as specified and directed by the Engineer-in-Charge.

M&L in repairs for earthing complete with copper earth plate electrode 60cm x 60cm x 3.15 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 1.5m below normal ground level, connected to and including earth lead of copper strip 20mm x 3mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point all as specified or indicated including testing on completion and excavation and earth work in any type of strata, PCC (1:3:6) type C1 in chamber, precast RCC cover 50mm thick in cement concrete (1:2:4) type B1, reinforced with welded steel wire fabric or XPM (weight not less than 4 Kg/ Sqm) with cast iron frame, funnel with wire mesh, 20mm bore GI pipe medium grade watering pipe, lugs, 40mm bore GI pipe medium grade protection pipe up to 7.5m complete all as specified and directed by the Engineer-in-Charge. Note:- (i) Item includes the cost of 7.5 metre GI pipe for protection of earth lead. (ii) Item includes the cost of 7.5 metre GI earth lead. (iii) Copper strip beyond 7.5 Metre shall be measured and paid for separately.

M&L in repairs for earthing complete with galvanised steel earth electrode 60cm x 60cm x 6mm buried directly in ground vertically to depth not less than 2.25m below normal ground level with top edge of the earth plate at a depth not less than 1.5m below ground level connected to and including GI earth strip 32mm x 6mm, by means of nuts, bolts, check nuts and washer etc, made of GI and connected to test point and earth dolly all as shown in electrical plate No. 3 SSR Part-I 2009 and specified or indicated including excavation and earthwork in any type of soil PCC (1:3:6) type C1 in chamber, precast RCC 50mm thick in cement concrete (1:2:4) type B1, reinforced with welded steel wire fabric or XPM (weight not less than 4.00 Kg/ Square metre) with cast iron frame, funnel with wire mesh, 20mm bore medium grade GI watering pipe, lugs, 40mm bore medium grade GI protection pipe, test point etc. complete all as specified and directed. Note:- (i) Item includes the cost of 7.5 metre GI pipe for protection of earth lead. (ii) Item includes the cost of 7.5 metre GI earth strip. (iii) GI strip beyond 7.5 Metre shall be measured and paid for separately.

M&L in repairs for bore earthing 150mm dia buried by vertical boring machine, depth 50 mtr below ground level using earth electrode 50mm dia GI pipe medium grade duly drilled hole of 12mm dia, 15cm c/c on both side of the pipe including lowering in bore well upto the depth of 49 mtr and one metre above the ground level. The pipe electrode should be filled around commercial salt, charcoal dust, copper sulphate and magnisium phosphate of 30 cm layer each upto the full length of pipe. The bore well should have 12 metre of length 150mm dia MS pipe 4.8mm wall thickness for protection of bore well. Welding of GI strip 50x6 mm on earth electrode GI pipe 50mm dia upto the 10 metre below ground level and 15 metre from the bore well to test point gun metal and PCC foundation sorrounding the bore well 60cm x 60cm x 30cm complete all as specified and directed. Note:- If GI strip required more than 35 metres, then length exceeds 35 metres shall be measured and paid separately.

M&L in replacement for test point terminal block made of gun metal or phosphorus bronze of size 75mm x 75mm x 25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw as required with all accessories complete all as specified and directed by the Engineer-in-Charge.

M&L in replacement for copper strip 20mm x 3.15mm complete with, protection sleeves, saddles, seperator and fixing screws at surrounding inside and outside the building complete all as specified and directed by the Engineer-in-Charge.

M&L in replacement for galvanised steel strip 32mm x 6mm complete with, protection sleeves, saddles, seperator and fixing screws at surrounding inside and outside the building complete all as specified and directed by the Engineer-in-Charge.

M&L in replacement for galvanised steel strip 25mm x 3.15mm complete with, protection sleeves, saddles, seperator and fixing screws at surrounding inside and outside the bldg complete all as specified and directed by the Engineer-in-Charge.

M&L in replacement for 35 sqmm multistranded flexible copper conductor (heavy duty) single core includng suitable lugs/ GI nut, bolts and mounting accessoreis complete all as specified and directed by the Engineer-in-Charge. Note:- The mounting clamp should be non conductive metarial used in earthing.

S&F in replacement of separator U type, made of porcelain, used for mounting earth strip, with all nuts, bolts and connecting accessories complete all as specified and directed by the Engineer-in-Charge.

Dismantling of old unserviceable PCC earthing chamber, and Material and Labour for construction of PCC chamber made out of PCC (1:2:4) type B1 (using 20mm graded crushed stone aggregates) and cover shall be 40mm thick RCC pit cover made of precast cement concrete cover slab in PCC (1:2:4) type B1 (using 20mm graded crushed stone aggregates), reinforced with mild steel XPM weighing not less than 4 kg/ sqm, including necessary form work and surfaces of PCC chamber shall be finished smooth without using extra cement, exposed surfaces shall be given three coats of white wash complete, minimum dimention of PCC chamber shall not be less than as specified and shown on plate No 3 of SSR Part I (2009) complete all as specified and directed by the Engineer-in-Charge. Note:- The rate quoted for this item also includes necessary excavation and earth work, disposal of surplus soil/ material to a distance not exc. 50 metres.

M&L in replacement for 20 to 25mm thick kota stone earth pit cover of size 2 feet x 2 feet complete all as specified and directed by Engineer-in-Charge.

M&L for replacement of single rod chemical earthing (comprising of one copper rod, chemical earthing), copper electrode of wall thickness minimum 2mm not less than 3 mtrs length not less than 75mm outter dia, fixing of copper earth electrode by drilling/ boring 175mm dia hole, 5.00 mtr deep in any type of strata, placing electrode in hole, return filling excavated soil by mixing min 20 kg GEL per bore and 75 kg soil resistivity improvement (SRIP) compound as per manufacturer's instructions, including PCC foundation sorrounding pit of size 60cm x 60cm x 30cm complete all as specifed and directed by Engineer-in-Charge.

M&L in replacement for PVC/ rubber pipe/ sleeve of dia upto 40mm for protection of earth strip and insulation purpose complete all as specified and directed by the Engineer-in-Charge.

S&F in replacement single pointed air termination aluminium rod 12mm dia, 300 mm long complete all as specified and directed by the Engineer-in-Charge.

S&F in replacement 40mm bore GI tubing, medium grade including necessary fittings complete all as specified and as directed.

S&F in replacement aluminium strip of size 25mm x 3.15mm with saddles and fixing screws etc. for roof conductors above ground complete all as specified and directed by the Engineer-in-Charge.

M&L for PCC block of size 150mm x 150mm x 300mm, made out of PCC (1:2:4) type B1 (using 20mm graded stone aggregates) for fixing/ mounting of running earthing conductor complete all as specified and directed by the Engineer-in-Charge.

S&F in replacement 15mm bore GI tubing medium grade complete all as specified and as directed.

S&F in replacement gate valve including fittings of size 15mm bore complete all as specified and as directed.

S&F in replacement self closing tape of cast iron or malleable cast iron, galvanised, screwed for iron pipe and fixed of size 15mm bore complete all as specified and as directed.

M&L for cutting of existing steel tubing for alteration or additions of size 15mm complete all as specified and as directed.

S&F in replacement earth notice plate of size 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures i.e. pit number, connected to, tested date, ohmic value as per direction by EIC fixed beside earthing pit with GI stand of approved size complete all as specified and as directed by Engineer-in-Charge.

M&L for brazing of earthing strip of any size using identical material brazing rods with the help of burner/ welding machine as required at site complete all as specified and as directed by Engineer-in-Charge.

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