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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-12 17:55:00 UTC - entered into Elog/Everlog as 2020-02-12 17:55:00 |
| Log: | Updated Dredge in2020_v01 |
| Equipment: | Not specified |
| Position: |
Latitude: -52.72617 Longitude: 79.02333
- entered into Elog as 52 43.57 S, 79 01.4 E |
| Dredge Number: | D12 |
| Wind Direction (deg): | 310 |
| Planned Heading (deg): | 209 |
| Break of Slope (deg): | 075 |
| Current Velocity (m/min): | 12.8 |
| Current Direction (deg): | 289 |
| Speed Through Water Average (WP1 to WP2): | 1.75 |
| Speed Over Ground Average (WP2 to Retrival Start/WP3): | 1.2 |
| Run-in Factor: | 0.8 |
| Distance Deployment (WP1) to WP2 (WP2 depth * run-in factor): | 1120.00 |
| Ellipsoidal Distance: | 618 |
| Rise/Run ( (WP2 depth - WP3 depth)/Ellipsoidal) ): | 0.73 |
| Target Wire Factor: | 1.2 |
| WP2 Target Scope (WP2 Depth * Wire Factor): | 1680.00 |
| Actual wireout at dredge retrival (WP3) start: | 2100 |
| Ship speed at retrival (knots): | 2 |
| Ship speed at retrival (m/min): | 61.73 |
| Retrival Wire Speed (m/min): | 15 |
| Tension Max (Tonnes): | 9 |
| Hung Up: | No |
| Off Bottom Scope: | 1230 |
| Overall Operation Rating: | 0 |
| Completion Time: | 13 (UTC) |
| Check time stamp (entry time vs draft saved do not match), dredge in water was at 16: | 55 utc+7 (entered in comparison to draft saved time) |
| winch stopped at 18: | 33, back to 60m/min |
| Start haul in 15m/min at 10: | 52 |
| Spikes: | 34 |
| Dredge off bottom at UTC 11: | 49 (wire out 1230m) |
| Haul in 60m/min at 11: | 53 (1132m wire out) |
| Dredge at surface at 12: | 21, dredge haul bag just under 1/2 full. |
| Comments: | Replace heading with intended course Entry for WP2 wire-out Check water depth of WP2 with Stu Check time stamp (entry time vs draft saved do not match), dredge in water was at 16:55 utc+7 (entered in comparison to draft saved time) winch stopped at 18:27 (spooling issue); resolved at 18:33, back to 60m/min ---times below ARE UTC times ---- Start haul in 15m/min at 10:52 Spikes: 6+t at 10:59; 4.8t at 11:15; 5.5t at 11:18; 9+t at 11:20; 8t at 11:26; 5+t at 11:30; 5+t at 11:34 Dredge off bottom at UTC 11:49 (wire out 1230m) Haul in 60m/min at 11:53 (1132m wire out) Dredge at surface at 12:13, dredge on deck at 12:21, dredge haul bag just under 1/2 full. |