Repair Maintenance of voltage stabilizers LT UG Cable and all other connected works at AF Stn Singarsi under AGE I AF Stn Singarsi

Amount

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation of poles, stays, laying of UG cable/ pipes & getting out in soft/loose soil complete all as specified and as directed.

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

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

M & L for providing dry river sand as in sand cusioning for underground cable protection including punning down sand in layers complete all as specified and as directed. Note: Only punned thickness of sand shall be considered for measurement purposes

Supplying and laying common burnt clay sub class ‘B’ bricks of size 230 mm x 113 mm x 75 mm, laid perpendicular to axis of cable for protection of LT cables complete all as specified and as directed.

M & L road cutting of size (30x45) cm width and depth 30 cm width 45 cm depth for laying of cables incl making good the road with necessary returning fillingand bituminious portion with concret and bituminious mixture and cemented portion with PCC in 1:2:4 , 15 cm thick from top and matching the surfaces with existing all as directed.

Supplying and laying GI pipe Light grade (ISI marked) 50mm bore with connecting accessories, laid under road/ drain/fixed on wall etc for protection of cables complete all as specified and as directed

M&L Danger notice plate of 1.6mm thick mild steel sheet, of size 250mm x 200mm for 11 KV, vitreous enamelled white, with letter, figures and convetional skull and bones in signal red colour and fixed in front side with suitable screws / nuts, bolts & washers complete all as specified and as directed.

All as per item No 8 here in before but of size 200mm x 150mm for LTcomplete all as specified and as directed.

M&L for On load Filteration of unbalance Voltage stablizer Power oil by continous circulation of transformer oil through mechanical filters to achive the desired dielectric strength of 35 KV for one minute at 4 mm gap complete all as specified and as directed by eng-in-charge. Note: 1.Oil samples are to collected from top and bottom of oil tank and test results to be submitted for each sample before and after filteration.

Supply and topping up /replacement of new transformer/voltage stablizer oil of dielectric strength 35 KV at 4 mm gap in transformers of various cap installed in various locations.complete all as specified and as directed by eng-in-charge. Make of Transformer/Voltage stablizer oil: Power Oil / Indian Oil / Rinkyl /Apar Note : New oil in the Voltage Stablizer will be filled in the Voltage Stablizer only after filteration and dehydration of existing oil of theVoltage Stablizer. (b) New oil shall be supplied in sealed barrel with test result and test certificate.

Supplying, laying, testing and Commissioning cable XLPE insulated aluminium conductor,stranded, armoured, PVC sheathed, LT 1100 volt grade, heavy duty as per IS-7098 and providing suitable lugs and cable glands, laid in trenches/ ducts/fixed to wall/ roof/ poles including taking down existing cables of 120 sqmm, 3.5 core complete all as specified and directed.

Ditto as per item No 12 above but 95 sqmm, 3.5 core complete all as specified and directed.

Ditto as per item No 12 above but 70 sqmm, 3.5 core complete all as specified and directed.

Ditto as per item No 12 above but 50 sqmm, 3.5 core complete all as specified and directed.

Ditto as per item No 12 above but 35 sqmm, 3.5 core complete all as specified and directed.

Ditto as per item No 12 above but 25 sqmm, 3.5 core complete all as specified and directed.

Taking out old unserviceable cable of any size,GI pipe protection , bricks including separating serviceable bricks & set aside and removing un-serviceable bricks from position all complete as specified and as directed.

Relaying of cable any size with all fixing & connecting accessories such as laid in trenches / duct or fixed to wall / passing through pipe on pole with suitable size cable glands, LT Joint kit, crimping type cable lugs,nuts, bolts and washer etc complete as specified and as directed.

Taking out the 3phase Voltage stablizer input voltage 300 to 480V, output voltage 415 +/-1% for unbalance load Make Sintrac in Power house, cleaning the contacts, lubrication of moving parts including servo moter all as specified and refixing the same with checking of control wiring , testing & Calibration of Auto/Mannual system for satisfactory functioning all as directed by Eng-in-Charge.

Supply and fix Isolator TPN 63 A 415 Volts 10 KA breaking Capacity B Series characterstics mounted on DIN Rail and connecting up all complete as specified and as directed. Make:-Legrand / Seimens / Hager /Havells

Taking down old unserviceable MCCB and Supply and fix MCCB 125 A, 4 pole, 415 Volts 36 KA breaking Capacity ,AAN frame fixed onExisting pannel in power house/feeder pannel and connecting up all as specified and as directed& in the process of fixing of MCCB minor drilling, clamping ,screw ,nut bolt included in quoted rate all complete as specified and as directed. Make-: L&T/Havells/Hager/Legrand

Ditto as per item No 23 above but 100Amp all complete as specified and as directed.

Ditto as per item No 23 above but 200Amp all complete as specified and as directed.

Taking down old unserviceable MCCB andSupply and fix MCCB 800 A, 4Pole ,Ui 690V Uimp 6KVCat A 50/60Hz 50Degree C,Ue AC 600V Icu25KA & Ue AC 380V Icu 65kA, fixed onExisting pannel in power house/feeder pannel and connecting up all as specified and as directed& in the process of fixing of MCCB minor drilling, clamping ,screw ,nut,bolt &washer all as directed by Eng-in-Charge included in quoted rate all complete as specified and as directed. Make L&T/ Havells / Hager/Legrand

M/S New Builders Corporation

M/S KUMAR AVINASH

DANATION CONSTRUCTIONS

M/S Subhadip Enterprise

LALAN SHARMA

BHARTI ELECTRICAL POINT

M/S AMARNATH AGARWALLA

P .BANERJEE AND CO