Submarine power cables and water supply pipelines are being constructed in Husavågen. Once completed, they are meant to run between Tråvik and Grønnevika.
Several work vessels may operate in the vicinity of position 59° 59.9′ N, 5° 48.3′ E (WGS84). They may display ball–diamond–ball or other signals according to COLREGS. Work vessels include:
- ALPHA, call sign LG2502
- NAUTILUS MAXI, call sign LM5881
- SJØBAS, call sign JXTC
Mariners are cautioned against all seabed activities in the works area, particularly fishing and use of the recommended anchorage close by.