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| 1 | Supply, install, testing and commissioning transformer step down 11/0.433 KV outdoor type plinth mounted, copper wound AC 3 Phase, 50 Hz oil immersed naturally cooled, ONAN with external cooling tube, delta connected on primary side (11 KV HV side) & star connected on secondary side (433 V LV side) in accordance with vector group Dyn-11 with neutral brought out on secondary side with tapping at ± 2.5% ±5% ±7.5% off load tap changer gear in steps of 2.5% continous rating of capacity 100 KVA including initial oil fill to appropriate level & all standard fitting all as per IS 1180 and maximum temp rise should not exceeds 40 degree celcius in oil and 45 degree celcius in HV/LV windings when measured by resistance method afterr contionious full load run on ambient temperature on 40 degree celcius complete all as specified and directed. The unit rate for each transformer includes the cost of following accessories/fittings :- |
| 2 | (a) Rating and terminal marking plates, non detachable (b) Earthing terminals with lugs-02 Nos (c) Lifting lugs for main tank and top cover (d) Thermometer pocket with cap along with dial type thermometer-01 No (e) Externally hand operated OFF circuit tap, changing device with locking arrangement. (f) Oil conservator tank with fitting hole, drain plug, prismatic oil level gauge. (g) Silica gel dehydrating breather charged with silica gel. (h) Top filter valve with plug (j) Drain valve with plug (k) Air Release Valve (l) Explosive Vent (m) Earthing terminals with lugs-02 Nos (n) Lifting hooks. (o) Unidirectional reversible roller-04 Nos. (p) HV copper bushing-03 Nos. (q) LV copper bushing-04 Nos. (r) Radiators. (s) Arcing horn on HT side-03 Nos. (t) Terminal connection on the HV bushing. (u) Additional neutral separately brought out side, LV cable end box with bush insulator for neutral earthing, gland etc. (v) First fill of Transformer oil upto appropriate level. (w) Base channel 100x50 mm, 460 mm long with holes to make them suitable for fixing on a platform or plinth (x) Danger Notice Plate - 01 No. Note : 1. The Trasformer shall be ISI marked with min energy efficiency level 3 as per IS 1180 (Pt-I) : 2014. 2. Any other accessories/work which is required to be provided as per relivent IS but not specified above will be provided by the firm without any extra cost to the Department . |
| 3 | Supply, install, testing and commissioning transformer step down 11/0.433 KV outdoor type plinth mounted, copper wound AC 3 Phase, 50 Hz oil immersed naturally cooled, ONAN with external cooling tube, delta connected on primary side (11 KV HV side) & star connected on secondary side (433 V LV side) in accordance with vector group Dyn-11 with neutral brought out on secondary side with tapping at ± 2.5% ±5% ±7.5% off load tap changer gear in steps of 2.5% continous rating of capacity 200 KVA including initial oil fill to appropriate level & all standard fitting all as per IS 1180 and maximum temp rise should not exceeds 40 degree celcius in oil and 45 degree celcius in HV/LV windings when measured by resistance method afterr contionious full load run on ambient temperature on 40 degree celcius complete all as specified and directed. The unit rate for each transformer includes the cost of following accessories/fittings :- |
| 4 | (a) Rating and terminal marking plates, non detachable (b) Earthing terminals with lugs-02 Nos (c) Lifting lugs for main tank and top cover (d) Thermometer pocket with cap along with dial type thermometer-01 No (e) Externally hand operated OFF circuit tap, changing device with locking arrangement. (f) Oil conservator tank with fitting hole, drain plug, prismatic oil level gauge. (g) Silica gel dehydrating breather charged with silica gel. (h) Top filter valve with plug (j) Drain valve with plug (k) Air Release Valve (l) Explosive Vent (m) Earthing terminals with lugs-02 Nos (n) Lifting hooks. (o) Unidirectional reversible roller-04 Nos. (p) HV copper bushing-03 Nos. (q) LV copper bushing-04 Nos. (r) Radiators. (s) Arcing horn on HT side-03 Nos. (t) Terminal connection on the HV bushing. (u) Additional neutral separately brought out side, LV cable end box with bush insulator for neutral earthing, gland etc. (v) First fill of Transformer oil upto appropriate level. (w) Base channel 100x50 mm, 460 mm long with holes to make them suitable for fixing on a platform or plinth (x) Danger Notice Plate - 01 No. Note : 1. The Trasformer shall be ISI marked with min energy efficiency level 3 as per IS 1180 (Pt-I) : 2014. 2. Any other accessories/work which is required to be provided as per relivent IS but not specified above will be provided by the firm without any extra cost to the Department . |
| 5 | Supply, installation, commissioning and testing in replacement of HT 11 KV outdoor type gang operated triple pole air break switch suitable for Horizontal or vertical mounting fixed type complete with 12 insulator 200 amps rating and steel frame mechanically oprated mechanism consisting of operating rod of 25 mm bore light grade GI pipe of suitable length worked from ground level and with locking arrangement flat iron clamp 50 mmx6mm including MS channel of suitable size length for fixing GOD including bolts, nuts and washer complete all as specified and directed. |
| 6 | Supply, installation, testing and commissioning in replacement of Lighting Arresters non linear Metal oxide type, distribution class with all fittings arrangements suitable to 11000 volts grade and discharge capacity 12 KV/10KA with and incuding lighting counter and cable of sutable size and core from lightning arrestor to ligting counter complete all as specified & directed. |
| 7 | Taking up/down of old U/S HT armoured cable and Supply and lay XLPE insulated, screened, PVC bedded, galvanized steel strip armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts (conforming to IS 7098), grade (earthed) cross sectional area 95 Sqmm, 3 core complete all as specified and directed.Note;- The earth work, HDPE pipe shall be measured and paid sepretely under appropriate item of Sch A |
| 8 | S&F in replacement cable jointing kit 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cabe of size 95 sqmm , complete all as specfied and directed. |
| 9 | Excavating in trenches n exc 1.5 m width and n exc 1.5 m in depth for foundation or for shafts, well cesspits, manholes etc / for laying of cable/ pipe etc n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in hard/dense soil complete all as specified and directed. |
| 10 | Returning filling in including spreading, leveling,watering and well ramming in layers not exc 25 cm in Hard/Dense Soil complete all as specified and directed. |
| 11 | Removal of surplus soil to a distance n'exc. 50 Mtr and depositing where directed at a level not exc 1.5m above the starting point complete all as specified and directed. |
| 12 | Supply, laying & jointing HDPE Pipes 100mm/110mm bore, including fittings, jointing material etc laid in trenches/pole post/under culvert/under road etc complete all as specified and directed. |
| 13 | Construction of transformer platform of size 3000 x2500 x1200mm with brick construction in cement motor 1:4 15mm thick cement plaster in CM 1:4, boulder filling as required, PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) as in floor and coping including necessary formwork and PCC 1:4:8 type D-2 as in foundation filling, brick steps on one side, XPM jali fixed on angle iron post of size 50x6mm, gate with openable shutter with locking arrangements, angle should be mounted on ground with angle legs upto height of transformer, earth work in any type of soil including removal of surplus soil as directed by Engr -in-Charge, painting steel surfaces with two coats of synthetic enamel aluminium paint of high quality over a coat of primer, two coats of cement base paint snowcem on plastered surfaces complete all as specified and directed. |
| 14 | M&L for 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 galvanized earth lead wire 4.0mm dia by means of bolts,nuts ,washer and check nut of galvanized steel, earth strip protected by GI pipe of suitable size and connected to test point as directed and including concrete pit in PCC (1:3:6) type C1, pre cast RCC (1:1.5:3) type A1 cover slabe of size 54x54x5cm re-inforce with 4mm dia TMT Bars @ 150mm C/C both ways with one handle for lifting, made out of 8mm dia TMT bar embeded in pre cast cover slab,wiremesh funnel,20mm bore GI Pipe (Medium grade) for watering, charcoal and salt in alternative layers of 15cm thick all arround the electrode, including necessary excavation and earth work in any type of soil complete all as shown in electrical plate No-3 of SSR part -I and testing on completion all as specified and directed. |
| 15 | M&L for 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 galvanized iron strip of 32mmx6mm earth lead by means of bolts,nuts ,washer and check nut of galvanized steel, earth strip protected by GI pipe of suitable size and connected to test point as directed and including concrete pit in PCC (1:3:6) type C1, pre cast RCC (1:1.5:3) type A1 cover slabe of size 54x54x5cm re-inforce with 4mm dia TMT Bars @ 150mm C/C both ways with one handle for lifting, made out of 8mm dia TMT bar embeded in pre cast cover slab,wiremesh funnel,20mm bore GI Pipe (Medium grade) for watering, charcoal and salt in alternative layers of 15cm thick all arround the electrode, including necessary excavation and earth work in any type of soil complete all as shown in electrical plate No-3 of SSR part -I and testing on completion all as specified and directed. |
| 16 | Supply and fixing earth contunity strip of size 32mmx6mm dia galvanize iron or steel wire on wall/in pipe or fixed to poles or any other indicated situation for loop earthing complete all as specified and directed. Please Enable Macros to View BoQ information |
