Brannvannforsyning, over bakken/underjordisk brannvannsledning (BLIX)

KU-BRL-0000-08

3 måneders intervall

Aktivitetsnummer: 1000

Oppgavebeskrivelse

Påse at brannvannsledning er i orden, fri for skader og slitasje. Påse at brannvannsystem fungerer, ved "flushing" for rengjøre av rørgate.

Kommentar

Dok.ref: 
According to UFB-30-Q-65502 The Follo Line Project, EPC TBM. 
FMECA Report for the Fire Water System ¿[R3]:
- Section 5.2. Overview of preventive maintenance activities with 
optimized intervals.
- Section 6. FMECA (RESULT):
o 1.1-1.4 Pipes: 
- Above ground fire water pipe – ductile iron DN200
- Underground fire water pipe – HDPE PE DN100, DN200

Kommentar:
Proposed routine and intervals as a result of workshop 18.06.21.

Normal flushing trucks will be used, which are mounted on railway wagons, to bring in the water for flushing into the tunnel. Interval after the first year must be adjusted according to experience.
  • Intervall 3 md
  • Myndighetsnivå Høy
  • Type FV TK-F