Menu
(2674) Tunnel, or Temporary diversion tunnel
A passageway constructed underground, through high ground or mountains open at both ends so as to provide a path for a road, rail-road, canal, water, sewer, drain, etc. Tunnels in the context of irrigation projects (i) carry supplies of irrigation water through locations of high terrain that obstruct desirable canal routes, (ii) import supplies of irrigation water from adjacent drainage basins, (iii) provide temporary conduits for diversion of stream flows during the construction of dams called temporary diversion tunnels and (iv) provide permanent conduits for spillway and or outlet discharges from reservoirs after the dams are completed.
Related items you may like
Irrigation
Drainage
Dictionary - Diversion Weirs Terms
- Diversion dam
- Headworks, Diversion work, or Diversion structure
- Diversion ratio
- Diversion weir
- Closed weir, Overflow diversion dam, Fixed crest weir, Blind weir, or Ungated weir
- Open weir, or Open diversion dam
- Tunnel, or Temporary diversion tunnel
- Branch head, or Diversion work
- Intake structures, Diversion structures, or Headworks
- Diversion requirement, Gross irrigation requirement, or Delta at head of main canal
- Gross duty, or Diversion duty
- Diversion channel
- Diversion ditch
- Diversion
- Temporary diversion works
- Diversion channel, or Open channel
- Diversion cut
- Diversion tube
- Diversion notch
- Diversion flume
- Diversion passage way
- Diversion terrace
- Drainage terrace, Drainage control terrace, Interception and diversion terrace, Runoff control terrace, or Channel terrace
- Floodway, By-pass floodway, Flood diversion channel, or Flood relief channel
- Diversion channel, or Bypass channel
