Replace Transformer Station # 21 at Range # 206, GTA

Added: Apr 07, 2015 9:12 am Modified: Jun 30, 2015 4:47 amTrack Changes The construction site is located within the Training Area Grafenwoehr.
- Disassembly of the existing medium voltage and low voltage installation devices
inside of the old transformer station # 21, Range # 206, consisting of:
1 each existing oil transformer 100 kVA
1 each existing medium-voltage switching system,
consisting of 4 each medium-voltage cells
1 each existing low-voltage switching system, l x w x d = 2.0 m x 2.0 m x 0.6 m
Disassemble all existing metal structures.
- Demolish the existing transformer building and backfill the construction pit.
(Top course: gravel layer)
- Construction of a new transformer building with cable vault and gable roof,
roof slope 30 degrees.
Size of building: approx. 9.80 m x 3.0 m, clear height 2.60 m,
consisting of:
1 each transformer room,
1 each joint medium-voltage and low-voltage switching room,
1 each telecommunication room for data processing technology,
cable vault of reinforced concrete,
dimensions: l x w x h = 9.80 m x 3.0 m, 0.90 m high
- Installation of a medium-voltage switching system 24 kV, consisting of:
1 each 24 kV transformer control panel
2 each 24 kV insecure cable control panels
2 each 24 kV secure cable control panels with circuit breaker as backup cells
1 each 20 kV oil transformer 250 kVA
- Installation of a low-voltage switching system, consisting of:
1 each transformer circuit breaker 630 A
1 each busbar system 1000 A
4 each fuse load isolating bars 400 A
16 each fuse load isolating bars 160 A
- 1 each cross connection box (EMCS) as wall cabinet.
Relocate all existing medium-voltage and low-voltage cables in the new station.
Earth work:
- Perform soil backfilling work in the area of the new transformer station.
- Provide a construction pit for the new transformer station with cable vault.
- Provide strip foundations for the new transformer station.
- Provide a gravel access road for the new transformer station.
Pave the access roads towards one front side and one longitudinal side.
Provide a gravel layer on the rear surfaces adjacent to the new transformer
station (see drawing).
Restore the adjacent lawn surfaces.