Boston Harbor, Massachusetts .mil

Boston Harbor, Massachusetts

Deep Draft Navigation Improvement Feasibility Report and Supplemental

Environmental Impact Statement

Technical Working Group Project Update ? 3 December 2012

USACE New England District in Partnership with Massport Mark L. Habel, USACE

Today's Task ? Re-Engage TWG

Under the Base Economic Case ? 3 Carrier Services Use Larger Ships and PONYNJ Landings of New England Cargo Shifts to Boston Harbor ? Review of Navigation Improvement and

Maintenance Activities of 1998-2012 ? Update on Corps Activities Since 2008 Draft Report ? Present Final Recommendation for Improvements

? Design, Quantities, Costs, Timeline

? Review Plans and Opportunities for Disposal ? Review Design Phase Activities

FEDERAL NAVIGATION PROJECT - DREDG ED FEATURES

4O -F00I C"""",,ls . Anchoraoe lind T..ning SHiM

l 5-F00I Myst ic Area Mltintained to lCI Feet

D

l 5-F00I C"""",,,s & Arn:horaoe

D

l8 -F00I C""...... Ri?er C""""'"

_

Sou'" lG -FOOl

Entrance Channel _

21 -F00I Narrows Channel

_

ll-FOOI Fort Point C"""",,,

_

2G -F00I Myst ic_Somerville 885in

D D 18 -F00I Dofc he500r 88y CIwIoeI

15-F00I Nubble CIwIoeI

_

6-l'ootlsland End Ri _ and W"'throp Channels

..

'.

.'

i._

. .

BOSTON HARBOR. MASSAC HUSETTS NAVIGATION IM PROVEMENT STUDY

FIGURE .fA EXISTING FEDE RAl NAVIGATION PROJ ECT FOR BO STON HARBOR

? ..<

.. ' . .

MYSTIC RIVER

Un-Scaled

Inner Confluence

CHELSEA RIVER

BOSTON HARBOR, MASSACHUSETTS NAVIGATION IMPROVEMENT STUDY

FIGURE 5 MAINTENANCE AND IMPROVEMENT DREDGING OF MAIN TRIBUTARIES

1998-2001

I-90 Tunnel

1990 AUTHORIZED IMPROVEMENT PROJECT

N

35-Foot Areas Deepened to 40 Feet

35-Foot Areas Deepened to 38 Feet

Reserved Channel Turning Area

Previously Undredged Area where Project was Widened at 40 Feet

Conley Terminal

Maintenance of 40-Foot Project Segments - North Entrance Channel, President Roads Anchorage, and Lower Main Ship Channel Reaches through President Roads

N Finns Ledge

Maintenance of 35-Foot Main Ship Channel Lower Reach

Rock Removal from Broad Sound North Entrance Channel

Removal of Sunken Steel Barge from North Entrance Channel

T.W. TUNNEL

LOGAN AIRPORT

BROAD SOUND NORTH

ENTRANCE CHANNEL

MARINE TERMINAL

CONLEY TERMINAL Castle Island

Un-Scaled

Deer Island

PRESIDENT ROADS

ANCHORAGE

Spectacle Island

MAIN SHIP CHANNEL

Long Island

Lovells Island

BOSTON HARBOR, MASSACHUSETTS DEEP DRAFT NAVIGATION PROJECT

FIGURE 6 2004-2005 OUTER HARBOR MAINTENANCE DREDGING

,",.".,~.,,?"-'-

~ iYn

-j

Channel

,;."j

BOSTON HARBOR, MASSACHUSETTS NAVIGATION IMPROVEMENT STlJOY

FIGURE 7A LOWER INNER HARBOR MAINTENANCE

FEDERAL PROJECT

?

INNER HARBOR MAINTENANCE

>00.

? ?

Maintenance of 4O-J'oot Protect

?

Featurn

B ?

Mltintenance of J 5-Foot Protect F....tures

M!tintenance and Deepening to

?

D

)8 Feet at Chelsea Stroot Bridge, .... Removal of Ke)'Span Gas

Siphon ItS WOfI< lor Othefs

Rode R"""",a/ from Elma ................
................

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