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| 1 | Repair /servicing to transformer at site of capacity 50 KVA to 250 KVA installed indoor/ outdoor by opening top cover & replacing unserviceable spares / components of transformer ,without lifting core assembely reassembling after repair & testing complete all as specified and directed by Engr-in-Charge. Note(a) Rewinding of transformer HT/LT Coils shall be carried out from ISO certified 2008 Coy.(b) Dehyderation and filteration of transformer oil, and replacement of unserviceable spares shall be measured and paid seperately under appropriate Item of schedule however cost of renewal of Nut, bolts & washers and labour for replacement of unserviceable items shall deemed to be included in UNIT RATE QUOATED. |
| 2 | Repair /servicing to transformer at site of capacity 300 KVA to 500 KVA installed on Plinth / Pole mounted structure by opening top cover & replacing unserviceable spares / components of transformer ,without lifting core assembely reassembling after repair & testing complete as all specified and directed by Engr-in-Charge. Note (a) Rewinding of transformer HT/LT Coils shall be carried out from ISO certified 2008 Coy.(b) Dehyderation and filteration of transformer oil, and replacement of unserviceable spares shall be measured and paid seperately under appropriate Item of schedule however cost of renewal of Nut, bolts & washers and labour for replacement of unserviceable items shall deemed to be included in UNIT RATE QUOATED. |
| 3 | Supply only Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity 350 to 450 KVA, 11/0.433 Volts transformers |
| 4 | Supply only Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity 200-250 KVA, 11/0.433 Volts transformers |
| 5 | Supply only Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity 160 KVA, 11/0.433 Volts transformers |
| 6 | Supply only brass spindle on LT side as per existing size, shape and specification for capacity 350 to 450 KVA, 11/0.433 Volts transformers |
| 7 | Supply only brass spindle on LT side as per existing size, shape and specification for capacity 200-250 KVA , 11/0.433 Volts transformers |
| 8 | Supply only brass spindle on LT side as per existing size, shape and specification for capacity 160 KVA , 11/0.433 Volts transformers |
| 9 | Supply only cork sheet gasket (set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 350 to 450 KVA, 11/0.433 Volts transformers |
| 10 | Supply only cork sheet gasket (set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 200 to 250 KVA, 11/0.433 Volts transformers |
| 11 | Supply only cork sheet gasket (set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 160 KVA, 11/0.433 Volts transformers |
| 12 | Supply only Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity 350 to 450 KVA, 11/0.433 Volts transformers |
| 13 | Supply only Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity 200 to 250 KVA, 11/0.433 Volts transformers |
| 14 | Supply only Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity 160 KVA, 11/0.433 Volts transformers |
| 15 | Supply only brass spindle on HT side as per existing size, shape and specification for capacity 350 to 450 KVA, 11/0.433 Volts transformers |
| 16 | Supply only brass spindle on HT side as per existing size, shape and specification for capacity 200 to 250 KVA, 11/0.433 Volts transformers |
| 17 | Supply only brass spindle on HT side as per existing size, shape and specification for capacity 160 KVA , 11/0.433 Volts transformers |
| 18 | Supply only top cover gasket set as per existing size, shape and specification complete for capacity 350 to 450 KVA , 11/0.433 Volts transformers |
| 19 | Supply only top cover gasket set as per existing size, shape and specification complete for capacity 200 to 250 KVA, 11/0.433 Volts transformers |
| 20 | Supply only top cover gasket set as per existing size, shape and specification complete for capacity 160 KVA, 11/0.433 Volts transformers |
| 21 | Supply only breather assembly as per existing size, shape and specification complete for capacity 350 to 450 KVA , 11/0.433 Volts transformers |
| 22 | Supply only breather assembly as per existing size, shape and specification complete for capacity 200 to 250 KVA, 11/0.433 Volts transformers |
| 23 | Supply only breather assembly as per existing size, shape and specification complete for capacity 160 KVA, 11/0.433 Volts transformers |
| 24 | Supply only Tap Changer as per existing size, shape and specification complete for capacity 350 to 450 KVA , 11/0.433 Volts transformers |
| 25 | Supply only Tap Changer as per existing size, shape and specification complete for capacity 200 to 250 KVA, 11/0.433 Volts transformers |
| 26 | Overhauling servicing of tap changer and replacement of unserviceable parts as ordered with new and assembling with old serviceable parts for smooth functioning and operation transformer cap 160-410 KVA complete as all specified and as directed |
| 27 | M&L for dehydration of transformer oil with mobile stream line transformer oil filtration plant and heating system at site with all accessories connected to transformer and carrying out filtration of oil to desired dielectric strength i.e. not less than 40 KV at 2.5 mm gap in existing position of transformer of any capacity and transformer including topping up transformer oil complete upto Level at various sub stations located in scatered area at INS Hamla all as directed.NOTE-(i) Test certificates shall be submitted for before and after filtration for dielectric strength on the proper format. (ii) Transformer oil used for TOP UP will be measured and paid separately under relavent Item). |
| 28 | Supply & filling up of transformer oil conforming to IS -335 of 1993 as in topping up / replacement up to desired level of transformer oil capacity complete all as specified and as directed. [Note: Dielectric strength of oil should not be less than 42 KV/cm complete all as specified and directed.](Make : GULF/POWER OIL or equivalent as approved by GE) |
| 29 | Supply and fixing as in replacement Temperature Guage as per existing size, shape and specification complete for capacity 350 to 500 KVA , 11/0.433 Volts transformers |
| 30 | Supply and fixing as in replacement Temperature Guage as per existing size, shape and specification complete for capacity 200 to 250 KVA, 11/0.433 Volts transformers |
| 31 | Supply and fixing as in replacement pair of arcing horns suitable for transformer capacity 50 to 500 KVA, 11/0.433 Volts |
| 32 | Supply and replacing silica gel in crystal form of breather assembly of transformer capacity upto 500 KVA at installed site complete all as specified and directed. |
| 33 | Material & Labour for 32 mm dia gunmetal drain valve of transformer as per existing one complete all as specified and directed. |
| 34 | Material & Labour for 25 mm dia gunmetal drain valve of transformer as per existing one complete all as specified and directed. |
| 35 | Material & Labour for 20 mm dia gunmetal drain valve of transformer as per existing one complete all as specified and directed |
| 36 | M&L for preparation of old painted steel or iron surfaces of transformer of 160 KVA , 11/0.433 Volts capacity transformers by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed. |
| 37 | M&L for preparation of old painted steel or iron surfaces of transformer of 200 to 250 KVA , 11/0.433 Volts capacity transformers by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed. |
| 38 | M&L for preparation of old painted steel or iron surfaces of transformer of 300 to 450 KVA , 11/0.433 Volts capacity transformers by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed. |
| 39 | Supply & laying HT XLPE Cable, insulated, screened, PVC bedded, Galvanised Steel Strip or Wire armoured, Electic Power Cable (heavy duty) with Aluminium Conductor, conforming to IS:7098 (Part II), 11 KV, ‘E’ Grade, cross-sectional area 120 Sqmm 3 Core, laid in Pipe/ Ducts/ Trenches/ under Floor/under Road including Testing, complete all as specified and as directed. |
| 40 | M & L for cable end jointing kit 11 KV (Earthed ) grade cable for indoor termination heat shrinkable type joint complete with jointing material and accessories suitable for HT XLPE armoured aluminium conductor cable of size 3 core 120 to 185 Sqmm complete all as specified and directed. |
| 41 | M&L Cable Jointing Kit Straight Through Termination heat Shrink-able type complete with Jointing Materials with all Accessories suitable for XLPE 11 KV (Earthed), 3 Core, armoured Aluminium Conductor Cable of size 120 Sqmm to 185 Sqmm complete all as specified and as directed. |
| 42 | Excavation in Trenches not exc 1.50 Metre wide and not exc 1.50 Metre depth for laying of UG Cable etc and getting out in Soft/Loose Soil, complete all as specified and as directed. |
| 43 | Excavation in Trenches not exc 1.50 Metre wide and not exc 1.50 Metre depth for laying of UG Cable etc and getting out in Hard/ Dense Soil, complete all as specified and as directed. |
| 44 | Returning, Filling in including Spreading, Leveling, Watering and Well Ramming in layers not exc. 25 Cm thick in Soils, complete all as specified and as directed. |
| 45 | Removing Surplus excavated Soil to a distance not exc 50.00 Metre away and depositing where directed at a level not exc 1.50 Metre above the Starting Point, complete all as specified and as directed. |
| 46 | Material and labour for cable route marker made of Pre-cast cement concrete block masonry Type C1 1:3:6 (20mm graded aggregrate) with solid blocks, exc. 10 cm in width and setting in cement concrete mortar 1:6, including embosing DANGER/ HT CABLE / MES on cable route marker and properly painting with approved colour, size of cable route marker 900x300x100mm complete buried in ground for a depth of 45 cm & necessary earth work all as specified and as directed |
| 47 | Supply and laying (HDPE) Pipe of pressure rating 6 kgf/cm² laid Size 110 mm laid in trenches along with accessories such as coupler for electrical applications as in cable protection pipe from physical damage complete all as specified and as directed. |
| 48 | Supply and laying across road crossing reinforced concrete pipes, class NP2, laid and jointed complete with collars of size 300 mm complete all as specified and as directed |
| 49 | Material and Labour Soling (or sub base) 150 mm spread thickness with broken boulders or quarried stone, inter stices filled, surface formed and rolled and consolidated to required gradient and camber complete all as specified and directed. |
| 50 | M&L Cement Concrete Type B2-1:2:4 (40mm graded aggregate) as in Foundation filling and mass concrete for grounting of panel and making good disturbed road surfaces including necessary Formwork (as/if required) complete all as specified and as directed. |
| 51 | Demolition Cement concrete (unreinforced) Concrete in ground floors andpavings n exc 15 cm thickness (below or above ground level) |
| 52 | (i) Material and Labour for carring out comprehensive VCB (Vacuum Circuit Breaker) maintenance Periodical and servicing through agency authorized by OEM of HT VCB, 11 KV, 400/630/800 Amps of make AREVA/ ABB / CG/Schneider/ Seimens installed at various locations under the sub division AGE E/M Bhandup ( INS Hamla) after taking shut down from department, Key tasks include replacement of defective/worn out components with new ones as ordered by Engnr-in- Charge, checking for dust and damage,wiring etc cleaning, lubricating mechanisms, verifying contact alignment /wear tear, measuring insulation resistance, and testing operational (ON/OFF) functions,(ii) Reassembling the VCB complete with all existing serviceable Parts obtained against Item 52 (i) above repaired / reconditioned/ cleaned (and new parts as ordered(a) Taking out HT VCB from the enclosure consisting of interuper assembly, socket contacts , checking the serviceability of the following parts carefully including cleaning, adjustments, replacement of defective/worn out parts and re-assembling the unit complete.(b) Cleaning the external surface of bushings with CTC or with CRC226 to remove the accumulation of dirt or any other deposits. Inspection- checking - condition of SIC contacts, condition and alignment of jaw contact, proper tightning of hardware, proper closing of all poles together and mechanism breaker tripping through push button (c) Checking the interrupter assembly and contacts. Checking the allignment of contacts and setting the contact surfaces to bare firm and uniform pressure and adjust the gap as per manufacterurs tolerance. Badly potted contacts needs to be replaced.Note: Contacts shall be ordered separately.(d) Checking the breaker bushing of bus bar and circuit side inspecting the interval surface carefully for any charging / trackings, replacement of bushings.(e) Dismantling the spring charging mechanism of the HT VCB, checking the operations of the closing/tripping trough closing/tripping coils electrically as well as manual charging including cleaning adjustments and replacement of defective /worn out parts re-assembly complete for the following.(e) Checking the condition of the spring charging motor along with gear box including servicing to the motor bushes, lubrication of bearing surfaces etc.(f) Checking the ratchet wheel assembly, driving and charging parts including replacement of defective ratchet wheel and parts.(g) Checking the type and release prop and dash pot assembly making necessary adjustment including replacement of defective /warn out components.(h) Checking the operating mechanism of the breaker and ensure its operation freely through entire stroke. Parts which shows excessive wear and tear to be replaced or adjusted as per manufacterurs tolerance.(j) Checking of operating voltage at mechanism terminals and tripping arrangement for positive tripping. Contacts to be examined for their condition and operation. Dress the pitted contact and replace if necessary. (k) Review the adjustment of all pressure switches and lockout devices. Checking IR between Phase-Phase ( VCB closed condition),IR between Phase-earth ( VCB closed condition), IR between Phase-earth ( VCB open condition)(l) Inspecting all bolts, nuts, pins and coller pins are in place and they are tight and opened properly.(m) Inspetion, cleaning and relubrication of circuit earthing truck with Aseol Molite or Moliday 47.Note:- (i) Parts to be replaced will be measured and paid separately as 'Supply only \\" against appropriate Items of this schedule. How ever labour cost involved towards replacement shall deemed to be included in the rate quoated .(ii) Cost of additional hardware like, bolts, nuts , washers / spring washers, petroliumjelly CTC, grease lubricants, Any unforeseen minor repair and minor parts that are not covered required to complete the repair work / smooth functioning of VCB shall be deemed to be included with the unit rate (iii) Cost of additional hardware like, bolts, nuts , washers / spring washers, petroliumjelly CTC, grease lubricants, Any unforeseen minor repair and minor parts that are not covered required to complete the repair work / smooth functioning of VCB shall be deemed to be included with the unit rate |
| 53 | Supply of the following provisional Item to incorporate against Item No 52 here-in-before. |
| 54 | Power Pack Equipment suitable for working on 230V and with output voltage of 110V and having 300 VA capacity, |
| 55 | Isolating Contact male Type |
| 56 | Isolating Contact female Type |
| 57 | Vaccum Interrupter |
| 58 | Closing Coil as 24V DC/ 110V DC |
| 59 | Tripping Coil 24V DC/110V DC |
| 60 | Spring Motor with gear box |
| 61 | NO-NC Contact for spring charging |
| 62 | Anti Pumping Relay for closing coil |
| 63 | Counter Meter for ON- OFF operations |
| 64 | Flexible connection |
| 65 | Shutter for racking Shaft |
| 66 | Ratchet Wheel |
| 67 | Motor cut off switch |
| 68 | Bus bar Spout 800A |
| 69 | Circuit Spout 800 A |
| 70 | Shutter for bus bar spout |
| 71 | Shutter operating Link |
| 72 | Draw out type 3 Phase PT 11KV/110V 200 VA class 1.0 cast resin wound type, 3Core with enclosure, wheels, HT bushings and HT fuses mounted on with drawable truck. |
| 73 | HT Epoxy CT 200-100/5-5A with 15 VA class 1.0 for metering and 5 P 10 for protection. |
| 74 | HT Epoxy CT 100-50/5-5A with 15 VA class 1.0 for metering and 5 P 10 for protection. |
| 75 | LED indication Lamp |
| 76 | Service/Test position Limit Switch |
| 77 | Space heater |
| 78 | Bus bar supporting insulator |
| 79 | Caliberation of relays of HT VCB by primary injection,and checking of under voltage, over current relays, wiring complete for identifying and replacement of UNSV parts of master relays, VCBs etc complete all as specified and directed. |
| 80 | Overhauling and servicing through agency authorised by OEM of HT RMU 11 KV, 400/630 Amps of Make : Schneider /ABB installed at various locations at INS Hamla Sub stations -Key tasks include replacement of defective/worn out components with new ones as ordered by Engnr-in- Charge, checking for dust and damage,wiring etc cleaning, lubricating mechanisms, verifying contact alignment /wear tear, measuring insulation resistance, and testing operational (ON/OFF) functions,(ii) Reassembling the VCB complete with all existing serviceable Parts obtained against Item 52 (i) above repaired / reconditioned/ cleaned (and new parts as ordered |
| 81 | Material and labour 11 KV RMU gas leakaget test through agency authorised by OEM of HT RMU 11 KV, 400/630 Amps of Make : Schneider /ABB , after Isolating the RMU from the 11kV network to perform necessary repairs safely.including comprising immediate isolation, pressure monitoring, and specialized repair to fix SF6 leaks. Procedures involve evacuating the area, checking the pressure gauge (often using SF6 low-pressure interlocks), using a halogen leak detector, and repairing leaks (e.g., via welding or gasket replacement) before vacuuming and refilling the chamber) and Perform pressure tests to ensure no further leakage exists before re-energizing complete all as specified and as directed.Note- SF6 Gas will be measured and paid seperately under respective item of scchedule |
| 82 | Supply,filling and topping up of gas SF6 in RMU complete all as specified and as directed |
| 83 | Caliberation of relays of HT RMU by primary injection,and checking of under voltage, over current relays, wiring complete for identifying and replacement of UNSV parts of master relays, RMU etc complete all as specified and directed. |
| 84 | S&F Microprocessor controlled numeric relay,DMT (Definate Minimum Time) three phase overcurrent and earth fault auxillary voltage of 18-52 V DC, current setting from 0.1 to 25 IN with LED display for trip, alarm warning & auxillary output and back lit, LCD display of parameter with programmable key board settings -of make existing suitable for VCB including setting aside unservviceable one complete all as specified and as directed |
| 85 | S&F Microprocessor controlled numeric relay, IDMT (Inverse Definate Minimum Time) three phase overcurrent and earth fault auxillary voltage of 18-52 V DC, current setting from 0.1 to 25 IN with LED display for trip, alarm warning & auxillary output and back lit, LCD display of parameter with programmable key board settings type MICON C122 -of make existing suitable for VCB including setting aside unservviceable one complete all as specified and as directed |
| 86 | M&L for defect rectification high tension or HT/LTcable laid in trenches by locating fault with the help of electronic fault locating machine comprising of surge generator pulse, ECHO fault locator with high frequency distance calculator etc.including and additional excavation in normal alluvial strata required for exposing the cable fault ; removal of deteriorated portion of cable treating of cable and keeping the same ready for jointing work for cable of size up to 185 Sq mm three core. The fault locating equipments will be brought to site within four hours of instruction from Engr-in-Charge as specified Please Enable Macros to View BoQ information |
