HomeMy WebLinkAbout20090291 Ver 1_More Info Received_20090521Strickland, Bev
From: Steenhuis, Joanne
Sent: Tuesday, June 02, 2009 9:47 AM
To: Strickland, Bev
Subject: FW: Excavation at Thorofare Bridge DWQ project # 09 0291
Attachments: Thorofare bridge original depth.pdf; profile Thorofare Bridge maintenace excavation.pdf;
Thorofare bridge mod drawing showing excavation.pdf; IP Application for maintenance
excavation Thorofare Bridge.pdf
DWQ project # 2009 0291
-----Original Message-----
From: Weaver CIV Richard S [mailto:richard.weaver@usmc.mil]
Sent: Thursday, May 21, 2009 2:44 PM
To: Sugg, Mickey T SAW; Joanne.Steenhuis@ncmail.net
Cc: Lombardo CIV Carmen A
Subject: Excavation at Thorofare Bridge
Good afternoon Mickey and Joanne,
Attached are workplan drawings of the MCAS Cherry Point's Thorofare Bridge property showing
the modifications I made (in red) requesting the excavation of approximately 1720 square feet
or 95.6 cubic yards of material from the man-made canal adjacent to our existing docking
facility. There are three drawings in total which include a plan view, a typical profile of
the area to be excavated, and an older drawing indicating the originally authorized depth
(The drawings are numbered 1 of 4, 3 of 4, and 4 of 4. I created a close-up of the plan view
(2 of 4) to submit to DCM for the CCD modification). We are requesting to excavate to - 3
ft. below nlw. The spoil material will be dewatered at the location indicated on the workplan
drawing behind a silt fence (at least) and will be at least 30 feet from the nhw in all
directions. After dewatering, the spoil material will be hauled off by the contractor to an
approved upland sight. No wetland or shellfish beds will be filled or excavated.
Mickey, I have attached the Individual Permit form per your request. If you would need it
for any reason, the Action ID number associated with the previously authorized actions at
this location is 2009-00644. I am correct in understanding that you need me to send you a
hard copy of this information as well?
Joanne, the action ID associated with DWQ's authorization of this project is
09 0291. We are requesting a modification to this authorization to allow for the excavation.
Do you need me to send you hard copies and a narrative as well, or will this email suffice?
Thank you very much for your help in this matter and let me know if you have any questions.
Look forward to talking to both of you soon,
v/r
Rich Weaver
Natural Resources Specialist
Environmental Affairs Department
MCAS Cherry Point
Phone: (252) 466-5917
Fax: (252) 466-2000
richard.weaverOusmc.mil
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TEMPORARY TURBITY / SEE STRUCTURAL
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' BID PURPOSES ONLY • / . NEW WORK.
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APPROXIMATE. OUTLINE OF RIP-RAP • / CATER ~,1 ~ ~ TEMPORARY TURBIDITY CURTAIN
PLACEMENT. SEE SHEETS C-04 ~ / ~ 2.0•...~ (SEE SHEET C-05 FOR DETAILS)
AND 5-04, TYP. / / ~ \ ~ ~ SEE STRUCTURAL
DRAWINGS FOR NEW
. ° j° \ / ~ ~ WORK.
CONTRACTOR SHALL SOD ALL °
DISTURBED AREAS. ' 1
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° TURBITY .CURTAIN AT THIS ~ / \ / ~ \
LOCATION MAY BE REQUIRED ~ X
TO ALLOW BOAT ACCESS TO ° WELL I ° •p ~ ~
WOOD DOCK AT ALL TIMES. 0 ~`i
GENERAL NOTES ~ 0 L ---1,
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1. APPROXIMATE EDGE OF BANK OBTAINED FROM FLOOD INSURANCE RATE MAP, PANEL 7483, JULY 16, ~ ~-8.0- --8.p.
2003. APPROXIMATE DISTANCE FRO ES SIDE ~ 6 M W T OF PROJECT SITE TO WEST SIDE OF CANAL IS o c,~ , 6`- 1 0 - - ~ ~ CONSULTINC3 STAUC7URAL ENGINEERS • ~ TEMPORARY COFFER DAM 74s uoeo ouNNORE oRrrE, sulrE Io1 nn c ^"""r VIRGINIA BEACH, VIRGINN, 23464
~6' qS 30 FT APPROXIMATE DISTANCE FROM NORTH SIDE OF PROJECT SITE TO NORTH SIDE OF S ~ C~'7~S ~ S EA ~ : < ~ ~~a ~ PHONE: (757} 474-0612 FAA: (757) 474-0979
C I - ~ .a ANAL S 230 FT . ~ ~ ~ ~
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2. CONTRACTOR SHALL ALLOW ACCESS TO BUILDING AT ALL TIMES. Q ONCRETE RETE . ~ \3~0~. 0 . e --y~;+~.
. ~ o PAD SC A ~ 3. CONTRACTOR SHALL USE GEOTEXTILE FABRIC WHEN. PLACING FILL AS RECOMMENDED BY GET ~ ~ W WELL 0 :LL/ pOR EF ws N : \ 0 ~ ~
v~ . ~ / R SOLUTIONS, INC. SEE SPECIFICATION O1 80 00 . ~ ,5 ~ h V ~ J~~~ - ~~DOWN DUPLEX RECEPTACLE ~ ; pui~?n??? ,
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/ ~ ~ \ ~ BOAT TIE DOWN ~ ~ ,.~p~QEESSipy'~y9';
~ ~ ~ MEAN HIGH WATER ~ ~ S EA L ~ Q ~ f ELEVATION = 0.09 FT. Q ~~a 0308-74~~j' _
CONSTRUCTION SE UENCE~ ~
% . ~ ` o o~ 1 INSTALL SILT FENCING AND CONSTRUCTION ENTRANCE. CLEAR ONLY AS NECESSARY TO INSTALL. THESE „ ~co~" ~ X30\ yl y ~ ~ REICEPTACLE e ~ ••~'~.~~~j~l ~I~E~P~~~~''O~
' 2 VENT DEVICES. ~ l ~ / EDGE OF WATER EL. Q~ '??'e?On>t~'~~~ ~I~ ~ ' SEAL
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2. INSTALL TURBIDITY CURTAIN THEN COFFER DAM. DESIGN OF TURBIDITY CURTAIN AND COFFER DAM IS ~ ` y ° OF SURVEY.
/ ~ o THE RESPONSIBILITY OF THE CONTRACTOR. p .
/ 8 y~~ / ACfMTY -SATISFACTORY TO
3. THE AREA ENCLOSED BY THE COFFER DAM SHALL BE DEWATERED PRIOR TO CONSTRUCTION/DEMOLITION ~ / / ~ ~ w / o~ r
BY MEANS THAT PREVENT/MINIMIZE EROSION. CONTRACTOR SHALL PROVIDE ADEQUATE SHORING BRACING ~ ~ ~ ~ / FOR BULKHEADS. BULKHEADS SHALL BE CAREFULLY MONITORED DURING DEWATERING PROCESS. SHOULD ~ / ~ ~ O\ y ~ ~ y DATE
SIGNS OF WEAKENING OR MOVEMENT OF BULKHEADS BE 0 SE V C ' B RED, ONTRACTOR SHALL STOP / y ' ~ APPROVED
DEWATERING PROCESS, PROVIDE ADDITIONAL SHORING, AND SHALL CONTACT CONTRACTING OFFICER FOR ~ / WOOD RAIL OVER ~ /~7
FURTHER DIRECTION. \ / SHEET PILING ~ ~8 FOR EFD FOR COM DER NAUFAC
• ~ ~ 8c 0 W • ~ J• ~
4. DEMOLISH BOAT RAMP. N' ~ CONCRETE G~ oATE
• ~ ~ 5. CONSTRUCT AND COMPLETE NEW RAMP. ~ , 8 ~ ~ oW / RETAINING WALL A/E EFD
y 8. p~ ~ / • • / y ~ G LC DESIGN
c 6. .CONTRACTOR SHALL GRADE, LIME, SEED OR SOD, FERTILIZE AND MULCH UPLAND DISTURBED AREAS ~ o~ o~ JSH DRawN
WITHIN 15 DAYS OF DISTURBING. • SDH REVIEW
~ W y/ v I / CHB ~
7. THE CONTRACTOR SHALL MAINTAIN THE DEVICES ACCORDING TO THE NORTH CAROLINA EROSION AND ~ ' 0~ o CHB CHIEF ARCH. ENGR. J ~
SEDIMENT CONTROL PLANNING AND DESIGN MANUAL. F, . ~ ~ ' ~ O PROJECT MANAGER SDH / ~L W ~ ' / FlRE PROTECTION
8. DEWATERED AREAS SHALL BE REFILLED BY CONTROLLED MEANS SUCH AS TO PREVENT EROSION AND / ,fir ~ / / ' / BRANCH MANAGER
O SEDIMENT SUSPENSION. COFFER DAM(S) SHALL BE REMOVED AFTER CONSTRUCTION OF NEW CONCRETE ~ o ° o~ ~ ~ W DESIGN DIRECTOR
RAMP AND APPROVAL BY CONTRACTING OFFICER. TEMPORARY TURBIDITY CURTAINS SHALL BE REMOVED M ~ ~ ~ ~ ~ ~ :h / ' JURISDICTIONAL
AFTER BOAT DOCK CONSTRUCTION IS COMPLETE AND ANY SIGNIFICANT SEDIMENT DISTURBED AS A o p ~ .o \ w WETLANDS o
° RESULT OF THESE ACTIVITIES HAS SETTLED. ~ ~ w / w ' ~U
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9. AFTER DISTURBED AREAS ARE PROPERLY STABILIZED AS APPROVED BY THE CONTRACTING OFFICER THE ~ yq~ ~ T CONTRACTOR SHALL REMOVE THE TEMPORARY DEVICES AND PROPERLY DISPOSE OF THE TRAPPED ~ T ~k o Z w
SEDIMENT. THE CONTRACTOR SHALL STABILIZE UPLAND AREAS DISTURBED DURING THE REMOVAL (~N l ~ ~ ZZ ~
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