Queen’s Harbour Master Clyde
LNTM NO 10/20
BA Chart 3746

1. Mariners are advised that Loch Long Salmon Ltd has contracted Partrac Ltd. to deploy one seabed mooring frame containing an acoustic measuring device for period of 90 days, the position given below in Table 1 and Figure 3. This is to measure the water column tidal current profile throughout this period.

2.The seabed frame is 1.5 x 1.5m and will be 0.8m proud of the seabed (Figure1). The location will be marked by a 75cm diameter yellow riser buoy (Figure 2)

3. The measurement device is scheduled to be deployed week commencing 15th June 2020 and by the 22nd June. The works will be completed using the vessel Mary M (Figure 4) supplied and operated by GSS Marine Ltd.

Figure 1. Example Seabed Frame Figure 2. Marker Buoy

4. Mariners are requested to keep a distance of 250m away from the surface marker buoy, through this period.

Figure 3: Deployment location of Current Meter Buoy Loch Long

Figure 4: Mary M (GSS)

5. Further notice will be given when the current meter has been recovered following the 90 day monitoring period.

6. Further Information can be obtained from QHM Harbour Control on VHF CH73 or 01436 674321 Ext 3555/4005.

7. Next CWM 11/20.

Tuesday 16 Jun 2020

David Lightfoot OBE MSM AFNI
Queen’s Harbour Master Clyde