Gales stop Hinkley dumping plans

Gales intervene to stop Hinkley dredging plans today and probably tomorrow (18-19 Sept) .
The hopper boats Sloeber and Pagadder have to moor alongside the dredger as depicted.  The giant dredger picks up 5 tons from the seabed each gulp.  It's not safe in today's high winds, so all the boats stayed in Barry Dock this morning.

https://penarthnews.wordpress.com/2018/09/18/storm-helene-steps-in-to-stop-nuclear-mud-dumping-off-penarth/

The dredging works are firstly to create a berthing 'pocket' and access for ships docking at the new temporary jetty at Hinkley; secondly to clear huge areas around drilling sites for intake and outfall pipes for power station cooling water (7-metre diameter pipes).

The two licenses issued by the English Marine Management  Organisation (MMO) are

L/2012/00245   This does not licence the disposal of the dredgings but says: 3.2.1 Materials arising from the capital dredge of the berthing pocket of the jetty shall be deposited at Cardiff Grounds.

L/2013/00178  All dredgings, predicted up to 200 000m³ are to be disposed in Severn Estuary SAC under Condition 5.2.24:  Reason: to maintain the sediment budget of the area.

The second license description says only:  It is proposed that the dredged material will be disposed of at the Cardiff Grounds licensed disposal site and consent for this aspect will be requested from the Welsh Government

It also allows for "drilling arisings" which are to be disposed of in defined sites in the cleared area, to be deposited carefully by pipe, to minimise the pollution plume (total under 1200m³ ).

The tunnels for the pipes to the shore are to be bored from on-shore.  The "arisings" from the total 9.5 km tunnels will be disposed of on-site or to landfill.  The dredgings could similarly go on-site for landscaping bunds or infill.  Why not?

a) it's physically simpler and cheaper to dump in the estuaryb) they fear finding nuclear matter within the dredgings (unlike the tunnel borings in very old deposits).

They would have to test more carefully for reusing the dredgings on land (only 5 samples taken from depth in the 200 000m³ ), would have to isolate significant nuclear contaminants, and dispose of them at high cost.  Simpler to dump in our sea.