Massive 24/7 dredging off the East Coast

Every day, all day, it seems for a long time and for a long time to come, dredging is ongoing off our East Coast.

What is dredging and what are the environmental impacts? More in this older post. Here's maps from MPA's Notice to Mariners about the extent of the dredging.

From Notice to Mariners (NM 8T/2011) in Notices to Mariners No. 1 to 16 dated 1 Jan 2011

NM 7T/2011: Dredging in the West Bound Lane of the Traffic Separation Scheme in the Singapore Straits
This is a repetition of Notice No. 61T/2010. With effect from Dec 2009 until Nov 2011 (24 months). Duration 24 hours a day, seven days a week with effect from Dec 2009.

NM 8T/2011 Dredging South of the Singapore Port Limit and in the West Bound Lane of the Traffic Separation Scheme in the Singapore Strait
This is a repetition of Notice No. 62T/2010. With effect from 17 Dec 2007 until 17 Dec 2011 (48 months). 24 hours a day, seven days a week with effect from 10 April 2008. On going dredging works will be carried out during daylight hours prior to 10 April 2008.

NM 9T/2011: Dredging in the West Bound Lane of the Traffic Separation Scheme in the Singapore Straits
This is a repetition of Notice No. 91T/2010. With effect from 1st October 2010 until 1st December 2012 (26 months). 24 hours operations daily with effect 1st October 2010.

Dredging at these sites seem to be going on all the time. Here's more from an older Notice issued last year.

From Notice to Mariners (NM 7T/2011) in Notices to Mariners No. 52 to 66 dated 1 Jul 2010

NM 61T/2010: Dredging in the West Bound Lane of the Traffic Separation Scheme in the Singapore Straits

This is a repetition of Notice No. 4T/2010. With effect from Dec 2009 until Nov 2011 (24 months). Duration 24 hours a day, seven days a week with effect from Dec 2009.

NM 62T/2010: Dredging South of the Singapore Port Limit and in the West Bound Lane of the Traffic Separation Scheme in the Singapore Strait
This is a repetition of Notice No. 5T/2010. With effect from 17 Dec 2007 until 17 Dec 2011 (48 months). 24 hours a day, seven days a week with effect from 10 April 2008. On going dredging works will be carried out during daylight hours prior to 10 April 2008.