PMN 137/2026

Seabed dredging and debris clearance off Loyang Jetty, Singapore

Activeuntil 15 Apr 2027, 23:59 UTC (in 154 days)Received 14 Oct 2026, 08:18 UTC

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MARITIME AND PORT AUTHORITY OF SINGAPORE PORT MARINE NOTICE NO. 137 OF 2026 14 Oct 2026 Shipping Community Harbour Craft Community Pleasure Craft Community SEABED DREDGING AT LOYANG OFFSHORE SUPPLY BASE JETTY Applicable to: Mariners operating in the vicinity off Loyang Jetty Date : With effect from 15 Oct 2026 to 15 Apr 2027. Location : At sea, within the working area bound by the following coordinates (see attached chartlet): (WGS 84 Datum) Point Latitude (N) Longitude (E) 1 01-23.18N 103-57.93E 2 01-23.23N 103-58.05E 3 01-23.10N 103-58.10E 4 01-24.08N 103-34.14E 5 01-23.07N 103-58.15E 6 01-23.00N 103-58.05E 7 01-23.01N 103-58.02E 8 01-22.99N 103-57.96E 9 01-23.09N 103-57.92E Working Hours : 24 hours daily, including Sundays and Public Holidays. Craft: Name of Safety Craft Harbour Craft Licence No. Description E T OCENA 9 ST 1113 A TUGBOAT H S HOPPER 31 SC 5092 C HOPPER BARGE H S HOPPER 32 SC 5098 B HOPPER BARGE These craft will exhibit the appropriate local and international day and night signals. Details : Clearing of seabed of debris and soils shall be carried out for the maintenance dredging to maintain the seabed depth for vessel to alongside the jetty. The retrieval of this seabed material shall be carried out using Dredging Vessel. Further enquiries relating to the project can be directed to KEN OGAWA, Project Manager at Tel: 94550125 Email: [email protected] Caution : When in the vicinity of the working area, mariners are reminded to: a) Keep well clear and not enter the working area; b) Maintain a proper lookout; c) Proceed at a safe speed and navigate with caution; d) Maintain a listening watch on VHF Channel 21 (Sembawang Control); and communicate with Sembawang Control for assistance if required. Please call Capt. Magesh Sivakumar at Tel: +65 6325 2473 or Marine Safety Control Centre (MSCC) Duty Officer at +65 6325 2488/2489 for clarification on this Port Marine Notice. CAPT CHONG JIA CHYUAN PORT MASTER MARITIME AND PORT AUTHORITY OF SINGAPORE Á Á ÁÁ Á DirFl(2)WRG.10s10-8M Loyang Jetty Loyang G G G G G G G G G G : ; : ;r ; r : r ; r : ; : ; r ; r : : r : r ;r : ; :; r ; k k k k k k k k k k k k k k k k k k k S. Loyang S. Selarang < < = = = = = = = 5 5 5 Q 5 Pile Batu Police Coast Guard Puteh Fairy Point Jetty Loyang Base a c a Z Z c Z a c R S E R A N G O O N H A R B O U R PR 1 Fl.Y.4s G Y PCGL3 Y Y Y Fl(4)Y.15s PCGL2 Fl(2)Y.2s Floating Barrier Y (sync) PR 2 Y Y PCGL1 PUB-TMWTP R Fl(4)Y.15s (sync) Fl(2)Y.8s Fairy Fl(2)Y.10s Fl.Y.2s2m1M PR 3 SOPS-1 Fl(4)Y.10s R Y (sync) Fl(4)Y.15s W Fl(2)R.10s7m4M SOPS-2 S I N G A P O R E BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBB Yc P c 1 Working Area 4 2 3 5 9 6 8 7 _ Ï _ _ _ Y7 7 5 4 Lat(N) Long(E) Points 01°23·184' 103°57·928' 1 01°23·235' 103°58·052' 2 01°23·101' 103°58·099' 3 01°23·079' 103°58·140' 9 01°23·065' 103°58·150' 5 01°22·996' 103°58·046' 6 01°23·014' 103°58·023' 7 01°22·990' 103°57·956' 8 01°23·086' 103°57·921' 103°58.60'E 103°57.49'E 01° 22.83' 01° 23.57'N 23' 1° 23' 1° METRES 100 METRES 103° 500 0 METRES 100 METRES 1000 500 0 58' 103° 1000 58' E SCALE 1 : 8 000 HY Code AA1910726 WGS84 Prepared by KohCN/LeeKK Hydrographic Div. MPA 02 Oct 26 CA126/26 MPA/COMET/2025/096 Note: This Chartlet is for illustration only and must not be used for navigation.

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Analysis

Activeuntil 15 Apr 2027, 23:59 UTC (in 154 days)

Maintenance dredging and removal of seabed debris will be conducted within a bounded working area off Loyang Jetty. Activity is 24 hours daily from 15 Oct 2026 to 15 Apr 2027. Several dredge and support craft will be on site and will display appropriate day and night signals. Mariners must keep clear, maintain lookout, proceed at safe speed and monitor VHF Channel 21 (Sembawang Control).

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: vicinity off Loyang Jetty, Singapore
Validity: From 15 Oct 2026, 00:00 UTC
Until 15 Apr 2027, 23:59 UTCWith effect from 15 Oct 2026 to 15 Apr 2027. Working Hours : 24 hours daily, including Sundays and Public Holidays.
Activity periods: 15 Oct 2026, 00:00 UTC - 15 Apr 2027, 23:59 UTC (24 hours daily, including Sundays and Public Holidays.)
Hazards: dredging operations, dredge vessel, working support craft, underwater debris removal

Worked out automatically from the warning text on 20 Oct 2026, 20:17 UTC. It can be wrong: the official warning text is the authority.

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Keep-clear distance
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Nearby lights and rescue centres

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