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| Tender ID | 3751037 |
|---|---|
| Organisation Name | Military Engineer Services |
| Tender Brief | Corrigendum : Provn Of S By Voltage Stabilizer At Af Stn Vadsar |
| Last Date For Submission | 14th Apr, 2026 |
| Opening Date | 16 Apr, 2026 |
| Document Cost | 500.00 |
|---|---|
| EMD | 89180.00 |
| Estimated Cost | 4459000.00 |
| City | Gandhinagar |
|---|---|
| State | Gujarat |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Supply and install , testing and commission of outdoor type HT Auto Voltage Stablizer (HT-HT Transformer) with AVR (automatic voltage regulator relay), RTCC (remotetap cubical changer), OLTC (on load tap changer) To Stabilize HT Voltage of input voltage variation between 9.9 KV to 12.1 KV and output voltage 11 KV in step of 1.25% capacity 1250 KVA , 3 Phase , 50 HZ , 3 wire minimum losses as per IS 2026 (Part-1)-2011 with mode of operation automatic /manual/hand control suitable for all power factors, suitable continuous duty cycle round the clock at full load , efficiency more than 98% , ONAN type oil immersed double copper wound, complete with first filling of is: 335 ISI markedfiltered & dehydrated transformer oil, suitable operation temperature 0 to 45 degree centigrade ambient temperature , Imported high grade graphite rollers and used laminations of low losses CRGO Laminations M4 grade , OEM general arrangements , terminal arrangementsand other standard fittings / accessories with vector group dyn-11.Civil and foundation work, control and monitoring features as per specified by OEM and directed by Engr-in-charge. | 1.00 | EACH |
| 2 | Following Accessories to be supplied alongwith HT Auto Voltage Stablizer :- (a) Name, Rating & Diagram Plate - 01 Nos (b) Off Circuit Tap Changing Switch ( If Not Opted for OLTC) - 01 Nos (c) Earthing Terminals - 02 Nos (d) Lifting Lugs - 02 Nos (e) Oil Level Indicator (Flush Tube ) - 01 Nos (f) Oil Drain Valve with Plug - 01 Nos (g) Oil filter valve with plug - 01 Nos (h) Conservator with oil filling hole with Cap - 01 Nos (i) Thermometer Pocket - 01 Nos (j) 4" Dial type thermometer Stem type & with MRP - 01 Nos (k) Air Release plug - 01 Nos (l) Silicagel Breather - 01 Nos (m) Removable Inspection Opening on top cover - 01 Nos (n) Explosion vent - 01 Nos (o) Bidirectional CI Rollers - 04 Nos (p) Arching horn set - 03 Nos | ||
| 3 | Following Accessories to be supplied alongwith OLTC :- (a) Name, Rating & Diagram Plate - 01 Nos (b) On load tap changer - 01 Nos (c) Earthing Terminals - 02 Nos (d) Lifting eye bolts - 03 Nos (e) Air Release Plug - 01 Nos (f) Window for tap number - 01 Nos (g) Oil drain cum filtering valve with plug - 01 Nos (h) Oil filling cum filtering valve with plug - 01 Nos (i) Conservator with oil filling hole with Cap - 01 Nos (j) Silicagel Breather - 01 Nos (k) Removable manual crank Handle to operate OLTC - 01 Nos (l) Removable Inspection Opening on top cover - 01 Nos (m) Oil Surge relay - 01 Nos | ||
| 4 | Supply, laying & testing XLPE insulated, screened ,PVC bendded galvanized steel strip or wire armoured electric power cables (heavy duty) 11000 volts grade with stranded aluminium conductor for cross sectional area and size of size 95 sq mm 3.0 core complete all as specified and as directed by Engr-in Charge. | 40.00 | RM |
| 5 | M & L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick burried in ground (earth pit not less than 2.25 Mtr deep below normal ground level with top edge of the plate not less than 1.5 Mtrs below normal ground level, connecting to the Galvanised iron earth lead 32 x 6 mm size by means of bolts, nuts check nuts and washers of galvanised iron and 32 x 6 mm dearth lead protection by provision of GI medium grade pipe 40 mm bore including provision of concrete pit in PCC (1:2:4) type B1 using 20mm graded stone aggregate with 40mm thick cover of RCC (1:2:4) reinforced with XPM (wieght not less than 4gs/Sqm) and frame of angle iron 25mm x 25mm x 6mm with lugs 02 Nos and with 6 mm dia MS bar handle made to shape, GI light grade 20mm bore pipe for watering perforated at the bottom 1.75 meter long placed on top edge of earth plate common salt and charcoal filling test point made out of 40mm x 8 mm FI with fixing arrangements, funnel, wire mesh and earth work in hard dense soil, returning filling in and removal of surplus soil to a distance not exceeding 50 Mtrs all as per electrical Plate No.3 of SSR1991 Part I and connecting to earth test point all as specified or indicated including testing on completion Note :- Item of earthing includes the cost of 7.5 Mtr long galvanised iron earth 4 mm dia/32 x 6 mm GI strip and protection pipe of 40mm dia GI medium grade. Extra lengths if required shall be provided by contractor with out any extra cost. | 4.00 | Each |
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