Lower Mississippi River (LMR) Dredging Update 6118

The Corps of Engineers Mississippi Valley New Orleans (MVN) continues to respond to the shoaling in Southwest Pass and on the Crossings Above New Orleans created by the extended high river stages of early 2018.  The MVN is actively dredging on the Crossings Above New Orleans with all three dustpan dredges and the industry hopper dredge GLENN EDWARDS working to restore the central 250 feet of the authorized channel width of 500 feet.   

DRAFT RESTRICTIONS IN THE AREA OF SOUTHWEST PASS (SWP):

The Bar Pilots increased their maximum draft recommendation to 45 feet freshwater at 1000 hours on Wednesday, May 30, 2018.  The previous maximum draft of 44 feet freshwater became effective at 1000 hours on Thursday, April 26, 2018.  

The Crescent River Port Pilots Association increased their maximum draft recommendation to the 47 feet (freshwater).   

The Federal Pilots also increased their maximum draft recommendation to 45 feet (freshwater) on May 30, 2018.

The controlling maximum draft recommendation for vessels transiting Southwest Pass remains 45 feet freshwater.

 

INDUSTRY HOPPER DREDGES IN SOUTHWEST PASS (SWP):

NEWPORT:  The NEWPORT is presently dredging from 3.8 Below Head of Passes (BHP) to Mile 5.0 BHP.  The industry hopper dredge (Manson Construction) commenced dredging in SWP on March 11, 2018 under Southwest Pass Hopper Dredge Rental Contract No. 2-2018.  The NEWPORT is expected to complete this contract on or about June 19, 2018.

BAYPORT: The BAYPORT is presently dredging from Mile 20.0 BHP to Mile 22.0 BHP.  The industry hopper dredge (Manson Construction) commenced dredging under Southwest Pass Hopper Dredge Rental Contract No. 3-2018 on Monday, March 12, 2018.  The BAYPORT is expected to complete this contract on or about June 8, 2018.

 

CUTTERHEAD DREDGES IN SOUTHWEST PASS (SWP): 

G.D. MORGAN: The industry cutterhead dredge G.D. MORGAN (Weeks Marine) continues to respond to Southwest Pass Cutterhead Dredge Rental Contract No. 2-2018. The cutterhead continues dredging from Mile 2.5 Above Head of Passes (AHP) to Mile 1.7 BHP on the right descending bank (westside) and is presently at Mile 1.25 AHP.  All material removed will be beneficially used and strategically placed to create new land alongside the western boundary of SWP. 

ROBERT M. WHITE:  The cutterhead dredge ROBERT M. WHITE (Manson Construction) is dredging from Mile 16.4 BHP to Mile 18.1 BHP on the left descending bank (eastside). The cutterhead dredge is presently working at Mile 17.64 BHP. The cutterhead began dredging in SWP under Southwest Pass Cutterhead Dredge Rental Contract No. 1-2018 on March 16, 2018Upon completion of this assignment the cutterhead is expected to work from Mile 14.2 BHP to Mile 14.8 BHP also on the eastside.  All material removed will be beneficially used and strategically placed to create new land alongside of SWP.

 

DUSTPAN DREDGES ON THE CROSSINGS ABOVE NEW ORLEANS:

HURLEY: The Corps’ dustpan dredge HURLEY continues dredging the central 250 feet of the channel at Red Eye Crossing (Mile 224 AHP).  The dustpan dredge began dredging on the Crossings on Wednesday, May 16, 2018.

WALLACE McGEORGE:  The industry dustpan dredge WALLACE McGEORGE continues dredging at Alhambra Crossing (Mile 192 AHP) and is now expected to complete this assignment by Monday, June 4, 2018The NOBRA and Federal Pilots are prohibiting vessel usage at the White Castle Anchorage (Mile 191.1 AHP to Mile 190.4 AHP) until the dustpan dredge completes this assignment.  Managing the anchorage this way (keeping it clear) promotes navigational safety and allows the dredge to work without interruption.  The WALLACE McGEORGE commenced dredging the central 250 feet at Alhambra Crossing on Friday, May 11, 2018.

JADWIN: The Corps’ dustpan dredge JADWIN continues dredging the central 250 feet at Belmont Crossing (Mile 154 AHP). The JADWIN is expected to complete this assignment on June 7, 2019.  The NOBRA and Federal Pilots will work to anchor vessels in the Belmont Anchorage (Mile 154 AHP to Mile 152.9 AHP) “as far east as possible” in effort to keep the Belmont Anchorage accessible while the dustpan dredge is working this location.  The JADWIN began dredging on the Crossings on Thursday, May 10, 2018.

 

INDUSTRY HOPPER DREDGE ON THE CROSSINGS ABOVE NEW ORLEANS:

GLENN EDWARDS: The industry hopper dredge GLENN EDWARDS is expected to begin dredging the central 250 feet of channel at Medora Crossing (Mile 212 AHP) this evening (Friday, June 1, 2018). The industry hopper dredge GLENN EDWARDS (Manson Construction) commenced dredging in SWP on April 17, 2018.  The GLENN EDWARDS is expected to complete this contract on or about June 19, 2018.

 

GOVERNMENT HOPPER DREDGE ON THE CROSSINGS ABOVE NEW ORLEANS:

WHEELER:  The MVN’s hopper dredge WHEELER has now completed its Red Flag hours after working at Bayou Goula Crossing (Mile 198.2 AHP) and is headed back to the MVN Dock at New Orleans. The Red Flag was granted in response to receiving no industry bids to Southwest Pass Hopper Dredge Contract No. 4-2018.

 

CUTTERHEAD DREDGE AT THE NEW ORLEANS HARBOR:

MIKE HOOKS:  The MVN is working to finalize details on the cutterhead dredge contract awarded to Mike Hooks, Inc. to dredge the New Orleans Harbor.  The cutterhead MIKE HOOKS is expected to respond to this contract, additional information on this contract will be provided once the details are finalized.

The Carrollton Gauge reading at 1300 hours today was 9.12 feet, the 24-hour change feature was unavailable.

The Baton Rouge Gauge reading at 1300 hours today was 26.38 feet, with a 24-hour change of – 0.06 feet.

The MVN surveys taken yesterday at the Head of Passes and Sheet 7 ranging from Mile 3.7 BHP to Mile 6.7 BHP are attached.

HOP 53118

Sheet 7 53118