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| 1 | Supply,laying and testing in trenches/through pipes/ducts or on poles at crossing of OH lines of MES and road crossingCross linked polyethylene insulated (XLPE) armoured cable with aluminium conductor, 11 KV `E’, 3 coreIS-7098 of cross sectional area 185 Sqmm including taking out old cables.Note :- (i) Old cable and joint kit retrieved under this item shall be contractor property and necessary amount as per schedule of credit shall be deducted from contractor due payment.(ii) Excavation, earth work, cable joint, sand cushioning, protection cover and pipe shall be measured and paid for separately under respective items of this schedule. |
| 2 | Supply,laying and testing in trenches/through pipes/ducts or on poles at crossing of OH lines of MES and road crossingCross linked polyethylene insulated (XLPE) armoured cable with aluminium conductor, 11 KV `E’, 3 coreIS-7098 of cross sectional area 120 Sqmm including taking out old cables.Note :- (i) Old cable and joint kit retrieved under this item shall be contractor property and necessary amount as per schedule of credit shall be deducted from contractor due payment.(ii) Excavation, earth work, cable joint, sand cushioning, protection cover and pipe shall be measured and paid for separately under respective items of this schedule. |
| 3 | Supply,laying and testing in trenches/through pipes/ducts or on poles at crossing of OH lines of MES and road crossingCross linked polyethylene insulated (XLPE) armoured cable with aluminium conductor, 11 KV `E’, 3 coreIS-7098 of cross sectional area 95 Sqmm including taking out old cables.Note :- (i) Old cable and joint kit retrieved under this item shall be contractor property and necessary amount as per schedule of credit shall be deducted from contractor due payment.(ii) Excavation, earth work, cable joint, sand cushioning, protection cover and pipe shall be measured and paid for separately under respective items of this schedule. |
| 4 | Excavating in trenches not exceeding1.5 metre wide and not exceeding 1.5 metre deep and getting out in soft/loose soil complete all as specified and directed. |
| 5 | Returning filling in foundation / trenches including spreading leveling, watering and well ramming in layers not exceeding 25cm thick in soil complete all as specified and directed by Engineer-in-Charge. |
| 6 | Removing surplus soil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above thestarting point. |
| 7 | Sand cushioning for under ground cable with locally available sand for protection of cable 8cm before laying cable and 15cm deep over the cable including spreading and consolidations, complete.Note :- Punned thickness will be measured and paid. |
| 8 | Supply and laying un-reinforced precast concrete cable cover class HVP type 2 with peak size450 mm x 180 mm x 40 mm complete all as specified and directed by Engineer-in-Charge. |
| 9 | Material and labour for maintenanceof service transformerup to 100 KVAcapacity including following:-(a) Oil leakage checked and necessary rectification,(b)All loose connection (power & control) are checked and rectification, (c)IR value of HV to body, LV to body & HV to LV to be checked by megar.Note:-All the work shall bedone as per instruction by the Engr-in-charge |
| 10 | Material and labour maintenanceof power transformerup to 3150 KVAcapacity including following:-(a) Oil leakage checked and necessary rectification,(b)All loose connection (power & control) are checked and rectification, (c)IR value of HV to body, LV to body & HV to LV to be checked by megar.Note:-All the work shall bedone as per instruction by the Engr-in-charge |
| 11 | Material and labour maintenanceof step up transformerup to 750 KVAcapacity including following:-a) Oil leakage checked and necessary rectification,(b)All loose connection (power & control) are checked and rectification, (c)IR value of HV to body, LV to body & HV to LV to be checked by megar.Note:-All the work shall bedone as per instruction by the Engr-in-charge |
| 12 | Inspecting, checking (all connections and mechanism), cleaning, servicing, overhauling, testing, calibrating the relays (IDMT, over current and earth fault) complete of 33 KV vacuum circuit breakers outdoor type 400 Amps, capacity having rupturing capacity 750 MVA floor mounted including following works : - (a) Taking out incoming and outgoing HT 33 KV 3 core cables from the electric system and reconnecting the incoming and outgoing HT cables complete of both panels.(b) All the connections of control wiring availability of proper DC supply and AC supply, incoming and outgoing connections and tightening them, cleaning the contacts and terminal with CTC solution and using the blower for dusting operation, raising and lowering mechanism. |
| 13 | Note : (i) Servicing checking and calibration of VCB shall be carried out by the OEM or his authorized representative/dealer only. (ii) All the test record for proper tripping of CTs raising and lowering operation mechanism and proper tripping system of over current and earth fault relay shall be recorded duly signed by the contractor, Engineer-in-Charge and representative of OEM shall be produced before allowing payment to the contractor. |
| 14 | Supply and fix Male Contact/moving contact Blade heavy duty high conductive metal cap 200 /400 Amps, 33 KV. |
| 15 | Supply and fix Female Contact/Fix contact Jaw heavy duty high conductive metal200 / 400 Amps, 33 KV. |
| 16 | Testing and calibration of IDMT Type E/F & O/C relays of any make at 33 KV sub-stations as per instruction of the Engr-in-charge. |
| 17 | Supply & fix HRC fuse 2/6 Amp, 415 Volt AC for VCB 11 KV complete. |
| 18 | Material and labour for defect rectification in HT 33 / 11 KV cable laid in trenches by locating fault with the help of electronic fault locator machine comprising of surge generator pules ECHP fault location with high frequency distance calculator etc. includingexcavation in any type of soil strata, exposing the cable fault, removal of deteriorated position of cable, treating of cable and keeping the same ready for jointing work for cables ofsizes upto 300 Sqmm 3 core complete all as specified and as directed by Engineer-in-Charge. Note :- The fault locator equipment will be brought at site within two hours of instruction received from Engineer-in-Charge |
| 19 | Supply & fix heat shrinkable, straight through joint box forXLPE HT U/G cable, 11 KVgradesuitable XLPEcables cross sectional area120 -185Sqmm, 3 core XLPEout door type including jointing material and cutting of old cable . |
| 20 | Supply & fix 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 120 - 185Sqmm, 3 core including jointing material and cutting of old cable . |
| 21 | Supply & fix 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 120 - 185Sqmm, 3 core including jointing material and cutting of old cable . |
| 22 | Supply & fix 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 50-95Sqmm, 3 core including jointing material and cutting of old cable . |
| 23 | Supply & fix 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 size50-95Sqmm, 3 core including jointing material and cutting of old cable . |
| 24 | Supply & fix heat shrinkable, outdoor type, end termination joint kit forXLPE HT U/G cable, 33 KVgradesuitable XLPEcables cross sectional area300Sqmm, 3 core including jointing material and cutting of old cable . |
| 25 | Supply & fix heat shrinkable, indoor type, end termination kit forXLPE HT U/G cable, 33 KVgradesuitable XLPEcable cross sectional area300Sqmm, 3 core including jointing material and cutting of old cable . |
| 26 | Supply, top up /filling of transformer oil EHV as per IS 335 of 1993 Part II.Note :- (i) Oil shall be brought in the manufacture sealed contrainer (drum) and shall be kept in safe custody of Engineer-in-Charge.(ii) Contractor shall hand over the purchase voucher and manufacturer\"s test certificate to the engineer in charge.(iii) Di-electric strength shall not be less than 50 KV. |
| 27 | On line Dehydration of HV/EHV grade transformer oil minimum three cycles to achieve dielectric strength not less than 60KV for 1 minute with 2.5mm Gap as per IS - 335 - 1993 for EHV gradeincluding topping up with new transformer oil after dehydration of existing oil, complete all as specified and directed by Engineer-in-Charge.Note- (i)Centrifuging Machine with all T&P & testing machine of oil required for dehydration shall be arrange by contractor.(ii) Oil required for topping up the transformer shall be measured and paid separately as supply only under relevant item of schedule of work.(iii) Record of oil and dielectric strength of oil before and after dehydration shall be maintained |
| 28 | Supply and fix in replacement of Silica gel breather assembly withsilica gel cristalsuitable for3150 KVAtransformer to air column of conservator tank complete all as specified and directed by Engineer-in-Charge. |
| 29 | Repairing and servicing (Oiling and greasing) of gang operated switch 400 Amps, 33 KV vertical/Horizontal mounted and replacing defective parts.Including replacement of U/S spare parts as required for smooth functioning of AB switch, testing for its proper operation, all as directed at site by the Engineer-in-Charge.Note :- (i) Spares shall be measured and paid separately under respective of item as supply only.(ii) Old materials retrieved under this item shall be contractor property and necessary amount as per schedule of credit shall be deducted from contractor due payment. |
| 30 | Painting of transformer complete with radiator of capacity for 3150 KVA, 33/11 KV outdoor type after cleaning the body surface by rubbing with emery paper to remove oil strains, dust etc and appling two coat of heat resistance paint by spray paint including writing of SM/ MES No, capacity of transformer and date of installation complete all as specified and directed by Engineer-in-Charge. |
| 31 | Painting of transformer complete with radiator of capacity for 750 KVA, 0.433/11 KV outdoor type after cleaning the body surface by rubbing with emery paper to remove oil strains, dust etc and appling two coat of heat resistance paint by spray paint including writing of SM/ MES No, capacity of transformer and date of installation complete all as specified and directed by Engineer-in-Charge. |
| 32 | Painting of transformer complete with radiator of capacity for 100 KVA, 33/.433 KV outdoor type after cleaning the body surface by rubbing with emery paper to remove oil strains, dust etc and appling two coat of heat resistance paint by spray paint including writing of SM/ MES No, capacity of transformer and date of installation complete all as specified and directed by Engineer-in-Charge. |
| 33 | Painting of 33 KV HT steel fourpole structure with cross arms, clamp of any length and shape with two coat of aluminium paint including preparation of the existing surface including marking pole numbers like (HT-101) in a 150mm dia yellow circle & providethree blue & two white bends of width 30 cm by fluorescent paint, from top of PCC pedastal of polecomplete all as specified and directed by Engineer-in-Charge.Note :-Painting work shall be carrid out after written shut down from both ends ie. 33 KV MRSAirforce and 220 KV cantt civil power house. |
| 34 | Supply and fixing in replacement three in series disc type assembly insulator porcelain for working Voltage 33 KVwhite, brown or green insulator of suitable size ball and socket type with tension clamp working all as directed at site by the Engineer-in-Charge. |
| 35 | Supply and fixing in replacement pin type insulator porcelain with GI Spindle nutfor 33000 Volts grade complete all as specified and as directed by Engineer-in-Charge. |
| 36 | Supply and fixing in replacement 33 KV outdoor type single phase, cast epoxy type PT of ratio 33KV/110 V, class 0.5, burden 100 VA, insulation level 70/170 KV confirming to IS 3156 all as directed. |
| 37 | Material and labour for earthing complete with copper earth plate electrode 600mm x 600mm x 3.15mm thick buried directly in ground vertically to depth not less than 3.0 metre below normal ground level (with top edge of earth plate not less than 2.70 metre below ground level), connected to copper strip 20mm x 3.15 mm main earthing lead by means of galvanized bolts, nuts and washers with connected to earth test point to main switch board panel etc. all as specified and testing on completion with and including necessary excavation and earth work, in any type of soil, adequate quantity of charcoal dust and common salt, test point,earth pit covered with precast (RCC 1:2:4) type B1 (using 20mm graded stone aggregat) 40 mm thick cover, reinforced with 8mm dia TMT bar 3 Nos. dia both way with 12mm round bar handle. GI medium grade watering pipe 20mm dia with funnel, wire mesh all as shown in electric plate No. 3 of MES SSR Part-Iand 40mm dia GI medium grade pipe for earth lead protection complete all as specified and directed. |
| 38 | Note :- (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 andGI pipe for protection of earth strip. Any varriation in quantity shall be adjusted.(iv) Surplus soil shall be removed upto 50 metre. |
| 39 | Supply and fixing in replacement earth continuity conductor or main earthing leadflies 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 required20 x 3 mm copper strip (beyond 7.5 metre in case of new earthing) for connection.Note :- Excavation shall be measured and paid for separately under respective item of this schedule of work. |
| 40 | Supply, installation, testing and commissioning Current transformer outdoor type (CTs) single pole 3 core cast epoxy type of 15 VA burden, class 1, 5P10 and PS having turn ratio 60-30/5+5+1 Amp and suitable for protection and metering of 33 KV system mounted on and including suitable MS channel/angle iron pedestal etc. to MCCB and 1 No Junction box for CTs connection having3 X 12way stud type terminal block and cable gland plate with suitable size of gland for cable entryof 10 x 2.5Sqmm - 04 Nos and 4 x 2.5 Sqmm - 02 Nos cable connectioncomplete. |
| 41 | Supply and fixing in replacement lighting arrestornon linear resistance type line discharge current 10 KA height current 100 KA assembly suitable for 33 KV including all necessary clamps, nut, bolts and washersand connecting to earth with 32 x 6 mm GI Stripcomplete. |
| 42 | Supply and installation in replacement of dropout / lift off explusion fuse out door type fuse link suitable for vertical or horizontal installation consisting of galvanised iron channel base having 2 numbers 33 KV post type insulator per stack and 2 numbers of such stack per phase complete with fuse carrier Teflon tube bakelite heavy tinned non ferrous metal parts and springs loaded phosphorous bronze contacts complete confirming to relevant IS completeall as specified and directed. |
