REPAIR/MAINTENANCE OF DISTRIBUTION TRANSFORMERS, LT PANELS AND CONNECTED WORKS IN VARIOUS E/M INSTALLATIONS AT GE (AF) JAMNAGAR NO 1

Amount

Overhauling of up to 100 KVA capacity transformer/Isolation TR, 11 KV / 433 V, by disconnecting LT / HT connections, cleaning complete for making it carbon free, checking for any loose bushings & making it rectified if found & reconnecting with LT / HT connections, testing and commissioning on load complete all as specified & directed . Note:- (i) Filtration of transformer oil if required will be measured & paid separately. (ii) Topping up with new transformer oil if required will be measured & paid separately (iii) Any spare Part & rewinding if found unserviceable will be measured & paid separately .

All as per item No 1 above but 160 to 250 KVA capacity transformer 11 KV / 433 V.

All as per item No 1 above but 315 to 400 KVA capacity transformer 11 KV / 433 V.

All as per item No 1 above but 500 TO 750 KVA capacity transformer 11 KV / 433 V.

S&F in repairs 11 KV HT terminal comprising stud, insulator, nut, bolt, washer etc (for three phase) suitable for out door type transformer of capacity up to 250 KVA complete.

S&F in repairs 11 KV HT terminal comprising stud, insulator, nut, bolt, washer etc (for three phase) suitable for out door type transformer of capacity 315 to 400 KVA complete.

S&F in repairs 11 KV HT terminal comprising stud, insulator, nut, bolt, washer etc (for three phase) suitable for out door type transformer of capacity 500 to 750 KVA complete.

S&F in repairs 0.433 KV LT terminal comprising stud, insulator, nut, bolt, washer etc (for three phase & neutral) suitable for transformer of capacity up to 250 KVA complete.

S&F in repairs 0.433 KV LT terminal comprising stud, insulator, nut, bolt, washer etc (for three phase & neutral) suitable for transformer of capacity 315 to 400 KVA complete.

S&F in repairs 0.433 KV LT terminal comprising stud, insulator, nut, bolt, washer etc (for three phase) suitable for out door type transformer of capacity 500 to 750 KVA complete.

Supply & topping up of transformer oil up to required level for transformer / PT's / stabilizers / HT switches etc of dielectric strength 50 KV & above all as per IS specification.

Supply and fix in repairs breather with silica gel for transformer of capacity from 63 KVA to 750 KVA complete.

Supply and fix in repairs temperature gauge for transformer of capcity up to 160 KVA complete.

Supply and fix in repairs temperature gauge for transformer of capcity up to 200 KVA to 750 KVA complete.

Supply and fix in repairs oil level gauge for transformer of capacity from 63 KVA to 750 KVA complete.

M & L for preparation of old painted surface of transformer of capacity 63 to 100 KVA, including connected accessories complete by cleaning / scraping oil, grease dirt and rust with steel wire brush and emery paper to obtain clean and smooth surface, and applying two coat of synthetic enamel paint as per MES colour code, including rewriting of MES No / Sl No complete all as specified and directed.

All as per item No 16 above but transformer of capacity 160 to 250 KVA.

All as per item No 16 above but transformer of capacity 315 to 750 KVA.

M & L for rewinding of HV / LV limb of transformer / Stabilizer of any capacity by dismantling and removing the burnt out copper winding cleaning of limb thoroughly and rewinding the same with super enameled copper winding wire of the same gauge and turn with proper class of insulation impregnated & baking, assembling and testing complete all as specified & directed by Engineer-in-Charge.(dry type/oil type). NOTE:-Transportation to & fro to local/company workshop is deemed to be in above quotted rate.)

Cutting, trimming and pruning of trees/tree branches/creepers/climbers of all around existing Sub Stn area up to fencing/boundry wall including cleaning the disturbed area beneath and removing the tree branches and debris from site and depositing all as specified and directed. Note:- (i) Each sub stn will be maintained once in a month for 6 months and each substation will be measued as one unit for payment.

Supply and spreading 40 mm size graded stone aggregate on ground of sub station, average spreading levelling complete, all as specified and directed. Note: Measurement shall be carried out for net finished volume of work executed.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm to 120 sqmm complete all as specified and directed..

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 90 sqmm to 120 sqmm complete all as specified and directed..

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 90 sqmm to 120 sqmm complete all as specified and directed .

M&L for XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 95 sq. mm 3 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing complete

M&L for XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 120 sq. mm 3 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing complete. Note for Item No 25 & 26: (i) Earthwork, sand cushion, cable cover will be measured and paid separately under respective items of this Schedule. (ii) Straight through joint will be measured and paid separately.

Deployment of manpower and cable fault locator machine duly mounted on vehicle for detection of HT UG cable fault of any size & make by applying upto 15 KV supply to locate the fault. Necessary arrangements required should be provided by the contractor. Note: Payment under this item shall be measured and made only if any fault is detected.

Taking out HT underground cable from trenches / pole etc, aluminium conductor of size 95 sqmm 3 core all as specified and directed.

Taking out HT underground cable from trenches / pole etc, aluminium conductor of size 120 sqmm 3 core all as specified and directed.

Laying only old taken down HT underground cable from trenches / pole etc, aluminium conductor of size 95 sqmm 3 core all as specified and directed.

Laying only old taken down HT underground cable from trenches / pole etc, aluminium conductor of size 120 sqmm 3 core all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft/loose soil.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out hard/dense soil/PCC/RCC/All types of roads etc.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft/disintegrated rock.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out hard rock.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm

Removing excavated material (soil) exc. 250 m but n exc. 500 m and depositing where directed.

M&L for providing dry river sand as in sand cushioning to under ground PVC cable including punning down of sand in layer all as specified and directed. (Note: Work shall be executed as per clause 19.75 of standard schedule of rates part-1 (2009) for measurement purpose thickness of sand after punning down will be considered.

Taking out old PCC cable cover of any type / any size from trenches all as specified and directed.

Laying only PCC cable cover for HT UG cable, of any description all as specified and directed by Engr-in-Charge.

Supply & laying ISI marked & conforming to IS - 5820 - 1970 unreinforced precast concrete cable cover Class HV , flat of size 300 mm X 180 mm X 40 mm in trenches as protection to HT UG cable all as specified and directed by Engr-in-Charge

S&F in replacement Tubes 80 mm bore, 'light grade' galvanised, mild steel, with all fitting and fixed complete to walls and ceilings or laid in floors

M&L for Boring under roads / pavement / hard standing without disturbing the top surface by trench less technology using ultra sound technique and necessary machine including supply & inserting HDPE pipe of 150 mm dia (ISI Marked) suitable for 0.4 mpa working pressure for passing through the cables complete all as specified and as directed. Note : Necessary infrastructure required for boring shall be arranged by the Contractor at his own cost.

Dehydration / filtration of transformer oil of transformers, OCBs, PT's, oil switches, Ring main Tee unit , Stabilizers etc of various capacities installed at different locations by disconnecting plants electrically for recirculation existing transformer oil with trolley mounted filtration plant till dielectric strength not less than 50 KV.

Note- Quoted rates shall be deemed to include for following :- (i) Oil shall be tested after filtration and test result will be recorded before & after filtration of oil. (ii) Contractor should make his own arrangement for oil filtration plant including transportation complete. (iii) New Transformer oil for topping up will be measured and paid in relevant item as required

(iv) Work shall be executed by the authorised services mechanic / Electrician of manufacturer, After satisfactorily completion of servicing of HT Transformer / VCB if any fault occurs upto completion of contract period should be attended by concerned rep within stipulated time frame without any failure, quoted rates is deemed to be included all such charges. (v) Items No. 1 to 44 if any above HT equipment and connected items become breakdown, the contractor shall locate the problem/ fault at site within 12 hours on intimation by JE/Engineer-in-Charge and ensure that the fault and rectified within 48 hours, failing which an amount of RS. 200/- per hour will be recovered as penal recovery from any payment due to contractor after expiry of 48 hours.

Ravi enterprise

SURESH ELECTRICALS

JAMNAGAR ELECTRIC AND MACHINERY CO

Rameshwar Enterprise