REPAIR AND MAINT OF OLD UNSV LT UG CABLE OVERHEAD LINE AND OTHER CONNECTED WORK AT DOMESTIC AREA TECH AREA AND RAKSHANAGAR INCL MAINT AND RENEWAL AND MONTHLY CHECKING OF EARTH RESISTANCE OF EARTHING PITS AND LIGHTENING ARRESTORS AT AF STN OJHAR

Amount

Supply and laying LT UG cable with XLPE insulated armored heavy duty electric power cable with aluminium conductor 1100V grade 4 core cross sectional area 10 sqmm laid in trench/duct/floor or passing through pipe incl taking dddown old cable complete all as specified and as directed by engr-in-charge.

All as per item No 1 here-in-before above but 4 core 16 Sqmm

All as per item No 1 here-in-before above but 4 core 25 Sqmm

All as per item No 1 here-in-before above but 3 1/2 core 50 Sqmm

All as per item No 1 here-in-before above but 3 1/2 core 70 Sqmm

Excavation in trenches not exceeding 1.50 mtr wide and not exceeding 1.50 meter in depth and getting out in soft/loose soil all as directed.

Returning filling in trenches including spreading leveling watering and well ramming in layers not exceeding 25 cm all as directed.

Removing of surplus soil not exceeding 50 meter and depositing where directed at a level not exc 1.50 mtr above the starting point all as directed.

Supply and laying Double walled corruyated (DWC) Duct (Dura- Guard) as per IS-14930 Part - II for LT UG cable protection including coupler, elbows, T- Joint, Bends, etc and test report Make :- Dura- line/Gemini/Rex. of size 38 mm inner dia

All as per item No 9 here-in-before above but 50 mm inner dia

Supply and fix 40mm dia bore galvanized iron tubing, light grade including all fitting for cable protection etc laid in floor or fixed to poles with clamps etc all as specified and directed.Make- Prakesh surya/Swastik/Jindal.

Supply and fix 80mm dia bore galvanized iron tubing, light grade including all fitting for cable protection etc laid in floor or fixed to poles with clamps etc all as specified and directed.Make- Prakesh surya/Swastik/Jindal.

M&L for Boring of holes under Road, Pavements, Hard Standing by manually at a depth 0.6 Mtr from top surface including supply & fix HDPE pipe of 80 mm dia complete all as specified and directed by Engineer-in- Charge.

M & L for Straight through joints (heat shrink type) for LT underground cable including joint kits and labour complete for making joints suitable for aluminium conductor cables 3 1/2 core 35 to 70 Sqmm.

M & L for Straight through joints (heat shrink type) for LT underground cable including joint kits and labour complete for making joints suitable for aluminium conductor cables 3 1/2 core 95 to 120 Sqmm.

M & L for Straight through joints (heat shrink type) for LT underground cable including joint kits and labour complete for making joints suitable for aluminium conductor cables 3 1/2 core 150 to 400 Sqmm.

Supply and fixing in repair Aluminium lugs / Thimbles 300 to 400 sqmm with suitable criming including all electrical connection/disconnections as required at site.

Supply and fixing in repair Aluminium lugs / Thimbles 150 to 240 sqmm with suitable criming including all electrical connection/disconnections as required at site.

Supply and fixing in repair Aluminium lugs / Thimbles 70 to120 sqmm with suitable criming including all electrical connection/disconnections as required at site.

Supply and fixing in repair Aluminium lugs / Thimbles 35 to 50sqmm with suitable criming including all electrical connection/disconnections as required at site.

Supply and fixing in repair Aluminium lugs / Thimbles 16 to 25 sqmm with suitable criming including all electrical connection/disconnections as required at site.

M&L for removal green vegetation, Cutting of trees with girth not more then 10 cm from 11 KV sub station yard, sub station, pump house area etc including disposal of cut material not more than 50 mtr distance and levelling/surfacing the ground all as directed by Engr-in-Charge.

Re stringig of ACSR conductor after dismantling winding from insulator in position up to permisible sag and re winding on insulators with new winding wire complete all as specified and as directed by Engr-in-Charge.

Dismantling of concrete/tubler pole/struts of any size or any length all as directed and keeping in safe custody.

Shifting of LT PCC/Steel tubelar pole 9 mtr long from one place to another place at entier location of GE AF Ojar including all earth work and PCC (1:4:8)foundation work complete all as specified and as directed by engr in charge.

M&L for Preparation of old painted surfaces of concreate poles 7.5 Mtr long and painting with two coats of weather proof apex paint white coloured with alternate strip of blue paint at an interval of 1 feet from bottom of pole upto 6 feet height, Also marking of pole numbers in white with black background rectunglar/eleiptical on pole all as specified & directed by the Engr-in-Charge.

M&L for Preparation of old painted surfaces of steel tublar poles LT 9.0 Mtr long & painting two coats of aluminium paint with alternate strip of blue paint at an interval of 1 feet from bottom of pole upto 6 feet height, including existing cross arm/angle iron/clamps/brackets etc & marking of pole numbers in white on black background all as directed.

S/F danger notice plate of 1.6 mm thick mild steel sheet, vitreous enameled white with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size for LT 20 x 15 cm size.

Supply & fix MCCB TP, 415 Volts,50 HZ,Thermal magnatic type with 16 KA, 63 Amps Legrand / L&T /Seimen

Supply & fix MCCB TP, 415 Volts,50 HZ,Thermal magnatic type with 25 KA, 100 Amps Legrand / L&T /Seimen

Supply & fix MCCB TP, 415 Volts,50 HZ,Thermal magnatic type with 25 KA, 160 Amps Legrand / L&T /Seimen

Supply & fix MCCB TP, 415 Volts,50 HZ,Thermal magnatic type with 25 KA ,250 Amps Legrand / L&T /Seimen

Supply & fix MCCB FP, 415 Volts,50 HZ, 400 amps,Thermal magnitic type with rupturing capacity 36 KALegrand /L&T /Seimen

M&L for maintainance of LT panel/feeder piller box indoor/outdoor type by cutting corroded MS lid from panel, weilding the same with 3 mm thick./ MS sheet in any desired shape including removing the carbonised/ melted sparked thimbles cleaning the carbonised bus-bar making cable end clean and replacement of following parts

Supply only Indicating Lamp RYB with holder

Supply only Aluminium bus bar of suitable size

Supply only Power coated CRCA sheet 3 mm thick

Maintainance of Automatic power Factor Controlling Panel at diffrent location of GE AF Ojhar by Cleaning, Rewiring, Replacement of components like Capacitors, Contactors, MCB/MCCB, APFC Controller/ Relays , Indicating lamps, Instruments Push Buttons, switches, wires cable termination etc. And demo of working Panel with proper relay setting & loadwise capacitor switching at Location .

Supply only APFC Relay 12 step ,440 V, 5 A as per sample Make L&T -ETACONM008R+ETACONEXP2R+ETACONEXP3R or equvalent in Ebcos/seimens

Supply only Push Buttons, Indicating Lamps, Switches as per sample

Supply only Indicating Lamps Red R,Y B as per sample

Supply only Current Transformer with CT ratio 100/5 as per sample.

Supply only Current Transformer with CT ratio 200/5, as per sample.

Supply only Current Transformer with CT ratio 300/5 as per sample

Supply only Contactor (MNX 18 to 50 ), 3 Phase 1No+1NC as per sample

Supply only Contactor (ML2-4) ,3 Phase 1No+1NC as per sample

Supply only Contractor MOC 12.5 , 3 Phase 1No+1NC as per sample

Supply only Capacitor Heavy duty Cylindrical type / Box Type ( 1 KVAR to 15 KVAR ), 440 Volt, 50 Hz as required at existing Panel .Make L&T cat pt No- LTCCN or equvalent in Ebcos/seimens

M&L for carrying out physical inspection and measurement of individual earth pit resistance of each earth pit, every month located in area and maintain the record of its reading month wise and submit to the office monthly for measuring the resistance of individual electrode of LV distribution system and other non-DG/ Transformer by fall of potential test in case fall of potential method is not possible at certain locations then measurement of earth pit resistance shall be carried out in stake less method using current and voltage clamps.(Total 630 Approx ) Nos earth pit located in different area of this station shall be measured in each month or all as directed. Pit for measurement of pit resistance including necessary excavation in any type of soil, or braking of hardstanding for inserting of spikes complete all as directed by Engineer-in-Charge. The rate also include to inspect and measure resistance of any type of earth( like conventional or chemical, strip or wire any size) complete. Note- Minimum 22 Earthings per working day and 100 % within a month to be cheked and testing will be carried out, testing equipment should be calibrated and certified from appropriate Govt Authority. Testing of earth resistance should be carried out in presense of the users and record should be furnished to the AGE E/M Office on daily basis, Failing which a recovery @ Rs 500 per eathing per day will be recovered as penalty.

Repair of old earthing for improvement of earth resistance by removing of old pit Chemeber from existing site , disconnecting all earth electrode of any type and size excavated the pit and removing old existing earth plate any type, cleaning the same and burried directly in ground with new bolts,nuts ,washer and check nut of galvanized steel,filling adequate quantity of charcol and common salt in alternate layer of 15cm 3ft x 3ft thick all around the electrode and including necessery excavation & earth work in any type of soil complete testing on completion all as directed. Note:- i) The material as salt, charcoal, Magnesium sulphate,GI Plate, wire mesh funnel will be measured and paid seprately.

Supply only Salt

Supply only Char coal

Supply only Magnesium sulphate

Supply only Wire mesh funnel

M&Labour for taking out the top cover of the earth pit cleaning properly earth pit inside and out side and filling Salty water in the earth pit.Note:- the rate for necessary T&P , water bouser, pipe etc will be included in the quoted rates.

Supply & fix earth continuty conductor or main earthing lead of 4 mm dia galvanised iron or steel wire. (roof conductor or down conductor ) above ground level fixed to wall/ roof duly insulated on batten or fixed on new porcelain insulators with clamping device or recessed or chases or burried in groung/ floor or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc as required all as directed by Engg. in charge. Note :- i) the distance between porcelain insulator will not be included with cost of T & P and labour required to work on roof top at lateral faces of existing hangers upto height of 25 mtrs.

All as per item no-58 but 25 x 4 mm galvanised iron strip.

All as per item no-58 but 32 x 6 mm galvanised iron strip.

All as per item no-58 but 32 x 6 mm copper strip.

All as per item no-58 but 20 x 3 mm copper strip.

Taking down existing Copper strip/GI strip any size with its accessories and refixing the same complete all as directed.

Dismantling and taking down dislocated/de-shaped/loose earth contunity conductor down or roof conductor in any position for re-fixing properly or for replacement complete including UNSV insulators/clamps/ saddles ets Aluminum strip of any size. Note :- The quoted rates shall be deemed to be included with cost of T&P and labour required to work on roof top and at lateral faces of existing hangers upto height of 25 Mtrs.

Supply & Fix 25 x 3 mm aluminium strip ( Roof conductor or down conductor) above ground level fixed to wall/ roof duly insulated fixed on and including new porcelain insulators with clamping device or recessed or chases or burried in ground/ floor or drawn in conduit / pipe or fixed to poles or any other indicated situation or for loop earthing etc. Note :- i) The consecutive distance between porcelain insulator will not be more than 40 cm. ii) The quoted rates shall be deemed to be included with cost of T&P and labour required to work on roof top and at lateral faces of existing hangers upto height of 25 Mtrs.

Re-fixing the taken down aluminium strip on roof top/on wall/lateral faces fixed on new porcelain insulator including new GI bolt, nut, washer provide at a distance not more than 40 Cm consecutively. Note :- i) The quoted rates shall be deemed to be included with cost of T&P and labour required to work on roof top at lateral faces of existing hangers upto height of 25 Mtrs. i) The consecutive distance between porcelain insulator will not be more than 40 iii) The cost of porcelain insulators will be paid under relivant item here in under but cost of GI bolt nut, washer etc is deemed to be included under quoted rates.

Supply and fix HDPE non pressure 50 mm dia pipe, smooth wall, non metallic flexible, suitable for underground use, pressure rating not less than PN 2.5, minimum wall thickness 2.5mm for protection of GI strip/conductor passing through the wall and from test point upto plinth protection complete all as specified and directed by Engineer-In-Charge.

M&L for GI tubing medium grade with all fitting laid in trenches or fixed to wall or ceiling with clamps or fixed to floor complete all as specied and directed of size 15 mm bore.Make : Swastik/Prakash Surya/Apollo.

M&L for GI tubing light grade with all fitting laid in trenches or fixed to wall or ceiling with clamps or fixed to floor complete all as specied and directed of size 40 mm bore.Make : Tata/Jindal/Prakash Surya/Apollo.

M&L for GI tubing light grade with all fitting laid in trenches or fixed to wall or ceiling with clamps or fixed to floor complete all as specied and directed of size 50 mm bore.Make : Tata/Jindal/Prakash Surya/Apollo.

Removal of debbries material beyond 500 mtr upto total distance of 1.5 Km & depositing where directed at a level not exceding 1.5 mtr above the starting point complete all as directed.

M&L for Air termination, single pointed aluminium rod 12 mm dia and 300 mm long, includind dismantling and taking out old unservicable termination complete all as specified and as directed.

M&L in repairs for PCC block on roof top comprising 1:3:6 of required size at places where directed & laying,clamping the strip any size secured on the block with suitable size GI bolt duly grouted, nut bolt washer etc.

M&L for test point terminal block insulated from wall or external surface made of gun metal or phosphorus bronze of size 75x75x25 mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hex head screws complete fixed on ebonite sheet 6mm thick fitted on MS flat 50x5mm bent to shape etc complete all as specified and as directed.

M&L in repairs to earthing pit chamber including replacement of PCC chamber, cement concret pit with cast iron miled steel frame embedded in the massonery enclouser finished flushed & CI cover 10 mm thick (300mmx300mm CI) having locking arrengment hinged to CI frame all as shown under electrical plate of SSR Pt - I 2009 and as directed including painting the external surface of chamber & cover with enamel paint in diffrent colour as directed and writing earth results & date of test carried out with white paint on black painted background, complete all as directed.

Supply only porcelain insulator white creamic GI/Aluminium strip supporter adequate to accomadate strip of 32 mm with fasteners complete all as specified and directed.

S&F stop valve, cast MS alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for fixing with 15 mm iron pipe or for union complete all as specified and directed.

Meterial and labour for painting of earth pit chamber and cover all as directed by Engr-in-Charge

Material & labour for earthing in repairs including taking out old plate with pipes earthing lead fasteners etc and supply, install , testing and commissioning maintence free comprising of high tensile low carbon steel rod of 3 mtrs length & 17.2mm dia with 250 micron (average) molecularly bonded copper on the outer surface to confirm with the requirement of UL 467 placed in bore min 150mm dia upto 3 mtr deep in any type of soil / strata black soil, rock or any other along with back-fill compound strictly be a carbon based conductive concreate type which has resistively of less than 0.12 ohm mtr as per clause 14.5 D of IEEE:80Standard back-fill compound should be electronically conductive (like in metals) and should not depend on moisture for condition. Compound shall be suplied in sealed bags. The earth electrode should finally be housed in heavy duty concreate/PVC chamber with cover of size 300x300x300mm for future access. Back-fill compound should be enviroment freindly, should solodoty when mixed with water and sel like concreate and should not leach/diffuse into ground. (a) Earth resistance of each earth should be less than 7 ohm. (b) Back-fill compound shall not be mixed with any soil while pouring in the bore hole. (c) The earthing shall be of OEM approved by GE. (d) Back-fill compound resistivity should not be more than 0.12 ohm meter and minimum 2 bags of approximate 25 Kg each bag should be filled in each earthing bore, however if required extra chemical bach-fill materials should be filled to achive result below 07 ohm without any extra cost. (e) The description/size/Qty of items mentioned in above are for indicative only how ever the qty/size may very at site condition to maintain the earth resistance less than 07 ohm and as such quoted rates should be considering the all factors. (f) Testing on completion & achiving resistance less than 07 ohm & submitting report to Engineer-in Charge duly signed by user after seccessfull completion of earthing whytime after euevution up to end of defect liabuility perioed. (g) If resistance value is found more than 7 ohm, contractor has to do additional earthing with in 07 days without any extra cost. (h) Earth strip copper of size 32x6mm beyond 7.5Mtr will be measured and paid separately repective item of schedule Make:-JEF Techno Solution,U- Protec,Yash Earthing Solution Pvt Ltd.

M&L for earthing in repair including taking out GI plate with pipes earthing lead fasteners etc and earthing complete with galvanised steel earth plate electrode 600x600x6mm thick,burried directly in ground (earth pit not less than 2.25 Mtr deep below ground level ) with top edge of the plate not less than 1.5 Mtr below normal ground level,connected to galvanised iron strip 25x4 mm as earth lead by means of bolts,nuts ,washer and check nut of galvanized steel, protected by and including GI pipe 40 mm bore (light grade) and connected to main switch / MCB DBs box point / LP test point as directed and including cement concret pit in 1:2:4 type B1 using 12.5mm graded aggregate, with cast iron miled steel frame embedded in the concrete enclouser fineshed flushed & CI cover 10 mm thick of size (300mmx300mm CI) having locking arrengment hinged to CI frame all as shown under electrical plate of SSR Pt - I 2009 and as directed including painting the external surface of chamber & cover with enamel paint in diffrent colour as directed and writing earth results & date of test carried out with white paint on black painted background, wiremesh funnel 20 mm bore GI pipe medium grade for watering adequate quantity of black soil and charcol and common salt in alternate layer of 15cm 3ft x 3ft thick all around the electrode including necessery excavation & earth work in any type of soil complete testing on completion all as directed. Note:- i) Filling the pit with black cottan soil brought at site. ii) The excavated soil will be removed & paid separtely.

M&L for earthing in repair including taking out GI plate with pipes earthing lead fasteners etc and earthing complete with galvanised steel earth plate electrode 600x600x6mm thick,burried directly in ground (earth pit not less than 2.25 Mtr deep below ground level ) with top edge of the pl;ate not less than 1.5 Mtr below normal ground level,connected to galvanised iron strip 32x6 mm as earth lead by means of bolts,nuts ,washer and check nut of galvanized steel, protected by and including GI pipe 50 mm bore (light grade) and connected to main switch / MCB DBs box point / LP test point as directed and including cement concret pit in 1:2:4 type B1 using 12.5mm graded aggregate, with cast iron miled steel frame embedded in the concrete enclouser fineshed flushed & CI cover 10 mm thick of size (300mmx300mm CI) having locking arrengment hinged to CI frame all as shown under electrical plate of SSR Pt - I 2009 and as directed including painting the external surface of chamber & cover with enamel paint in diffrent colour as directed and writing earth results & date of test carried out with white paint on black painted background, wiremesh funnel 20 mm bore GI pipe medium grade for watering adequate quantity of charcol and common salt in alternate layer of 15cm 3ft x 3ft thick all around the electrode including necessery excavation & earth work in any type of soil complete testing on completion all as directed. Note:- i) Filling the pit with black cottan soil brought at site. ii) The excavated soil will be removed & paid separtely.

All as per Ser Item No. 81 above but by using with copper earth plate electrode of size 60cm x 60 cm x 3.0 mm thick and copper strip 20 x 3 mm as earth continuity conductor complete all as directed by Engineer-in-Charge. i). The unit rates in this item is deemed to be included the cost of excavation for earth pit, laying of GI / Copper strip in trench upto 7.5 mtr along with GI Pipe for protection and necessary earth work in any type of soil, PCC 1:3:6 type C-1 as in pit and pre- cast PCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade , 40 mm bore GI pipe for earth strip protection and GI/ copper / aluminium earth strip/ wire of any size & shape mm upto 7.50 mtr in length also including required quantity of salt & charcoal. ii) The continuous earth continuity conductor of any type, shape and shape shall be provided by the contractor, no joints wil be provided except test point or as directed by Engineer-in-Charge. iii) The earth conductor run vertically on wall in open way or or in GI Pipe,the contractor will provide necessary and proper saddling & properly fixed on wall /ceiling on his own expenses and making good without extra cost to the department. iv) Where, the earth continuous conductor run through ground, it should be lay in trench at required depth in GI Pipe, all as specified and directed. v) GI Pipe for protection of earth continuity conductor, earth strip/ wire and excavation if any beyond the 7.5 mtr will be measured and paid separately under the relevant items of this schedule. Note- Earth filling in the pit will be done with black cotton soil , brought from out side the defence land . In case earth resistance not found satisfactorily contractor will redo the same earthing at his own expenses . Earth resistance value should be less than 7.0 Ohms upto liability period of one year.

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