H.08.04 Mid Chesapeake Bay Plans Combined_FINAL.pdf
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- Solicitation number
- W912DR22B0006
About this file
This document provides details for a federal solicitation seeking restoration services on Mid Chesapeake Bay's Barren Island. The solicitation number is W912DR22B0006 and is being issued by the Department of the Army Corps of Engineers Baltimore District. Interested parties should refer to the attached solicitation and attachments for full requirements. The solicitation is seeking restoration services to improve habitat and reduce shoreline erosion on Barren Island in Maryland. The response deadline is not specified in the provided file but the Corps of Engineers is listed as the issuing agency. Details on pricing, set asides, award timing or other contractual terms are not included in the attached file referenced in this document.
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BARREN ISLAND RESTORATION
STONE STRUCTURES
MID-CHESAPEAKE BAY ISLAND ECOSYSTEM
RESTORATION PROJECT
DORCHESTER COUNTY, MARYLAND
GI002
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US Army Corps of Engineers
BALTIMORE DISTRICT
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FREY.CHARLES.E.III.1229236780
Digitally signed by
FREY.CHARLES.E.III.1229236780
Date: 2022.06.08 17:52:56 -04'00'
PLACEK.GERALD.A.12292576
Digitally signed by
PLACEK.GERALD.A.1229257656
Date: 2022.06.09 08:30:50 -04'00'
2022.06.09 08:55:06 -04'00'
FOUTZ.MARY.P.1229325082
Digitally signed by FOUTZ.MARY.P.1229325082
Date: 2022.06.09 16:14:01 -04'00'
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JUNE 15TH.
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TGT_1 245,700.84 1,522,778.58 -8.9 -8.6 7.4 0.6 0.3 82.3 UNKNOWN
TGT_2 245,473.45 1,523,052.01 -7.7 -7.4 6.2 1.0 0.3 38.2 LOG
TGT_3 245,410.45 1,523,130.51 -7.2 -6.0 4.7 1.2 1.2 74.4 LOG
TGT_4 245,301.41 1,522,999.45 -8.5 -8.0 6.7 0.7 0.5 18.4 LOG
TGT_5 245,265.32 1,523,302.52 -6.9 -4.8 3.6 15.8 2.1 27.2 ROCK PILE
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TGT_3 245,410.45 1,523,130.51 -7.2 -6.0 4.7 1.2 1.2 74.4 LOG
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B
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D
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B
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TI
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2 3
C
4 5
A
B
M
AR
K
AP
PR
D
AT
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PL
AT
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U M
BE
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SI
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SU
BM
IT
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D B
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PL
O
T
SC
AL
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PL
O
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AT
E:
D
AT
E M
AR
K
D
ES
C R
IP
TI
O N
C O
N
TR
AC
T
N O
SHEET
IDENTIFICATION
D
AT
E
AP
PR
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
BA
LT
IM
O
R E
D
IS
TR
IC
T
BA
LT
IM
O R
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AN
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AP
EA
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B
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LA
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EC
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ST
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ES
TO
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N
P R
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JE
C T
BA
R
R
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IS
LA
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ES
TO
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EC
AN
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D
BALTIMORE DISTRICT
PH
AS
E I S
TO
N
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ST
R U
C
TU
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O
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N
: B R
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KW
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D A
P R
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(1
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1)
C210
EN
G
IN
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R
IN
G D
IV
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IO
N
Feet 0 40 80
Feet
C
IT
AT
IO
N N
O
FI
LE
N
AM
E:
D W
N B
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C
KD
B
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B
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2 3
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4 5
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PR
D
AT
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PL
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BM
IT
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D B
Y:
PL
O
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SC
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PL
O
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AT
E:
D
AT
E M
AR
K
D
ES
C R
IP
TI
O N
C O
N
TR
AC
T
N O
SHEET
IDENTIFICATION
D
AT
E
AP
PR
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
BA
LT
IM
O
R E
D
IS
TR
IC
T
BA
LT
IM
O R
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AR
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AN
D
M
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-C H
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AP
EA
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LA
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ES
TO
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N
P R
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C T
BA
R
R
EN
IS
LA
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R
ES
TO
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EC
AN
SI
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BALTIMORE DISTRICT
PH
AS
E I S
TO
N
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ST
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TU
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N
: B R
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KW
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(1
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C211
EN
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IN
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R
IN
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IV
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IO
N
Feet 0 40 80
Feet
-10
-20
-10
-20
070 60 50 40 30 20 10 10 20 30 40 50 60 70
NORTHEAST SILL
FROM STA. 125+20 TO 138+19
*ARMOR STONE IN 2 LAYERS ALONG CREST AND SIDE SLOPES, SINGLE LAYER ALONG TOE
EXISTING GROUND EL. VARIES
7.50'
7.50'
5.00'
1.5
ARMOR STONE*, W50 = 2600-lb
2.50' 1.50'
1.00'
QUARRY RUN**
#10 STONE**
GEOTEXTILE, EXTEND
5 FT MIN. BEYOND
#10 STONE
TOP EL. +6'
MHW EL. 0.16'
MLW EL. -1.06'
CENTERLINE
GEOTEXTILE,
EXTEND 5 FT
MIN. BEYOND
#10 STONE
**TEN STONE THICKNESS MAY VARY UP TO 1' THICKNESS. QUARRY RUN THICKNESS,
WHERE NOT CALLED OUT, VARIES WITH ELEVATION OF EXISTING SILL.
-10
-20
-10
-20
070 60 50 40 30 20 10 10 20 30 40 50 60 70
EXISTING SILL GAP/SOUTHWEST/SOUTHEAST SILL
EXISTING GROUND EL. VARIES
*ARMOR STONE IN 2 LAYERS ALONG CREST AND SIDE SLOPES, SINGLE LAYER ALONG TOE
FROM STA. 221+20 TO 228+90, 231+10 TO 232+90, 254+00 TO 255+94, STA. 300+00 TO 323+50, AND STA.
402+50 TO 409+67
9.00'
9.00'
1.50'
1.00'
3.00'5.00'
1.5
ARMOR STONE*, W50 = 4300-lb
6.00'
QUARRY RUN CREST** #10
STONE**
MHW EL. 0.16'
MLW EL. -1.06'
TOP EL. +6'
GEOTEXTILE, EXTEND
5 FT MIN. BEYOND
#10 STONE CENTERLINE
GEOTEXTILE,
EXTEND 5 FT
MIN. BEYOND
#10 STONE
QUARRY RUN TOE
**TEN STONE THICKNESS MAY VARY UP TO 1' THICKNESS. QUARRY RUN THICKNESS,
WHERE NOT CALLED OUT, VARIES WITH ELEVATION OF EXISTING SILL.
1.5
MODIFICATION OF EXISTING SILL
-10
-20
-10
-20
070 60 50 40 30 20 10 10 20 30 40 50 60 70
*ARMOR STONE IN 2 LAYERS ALONG CREST AND SIDE SLOPES, SINGLE LAYER ALONG TOE
TOP EL. +6'
9.00'
9.00'
1.50'
1.00'
3.00' 5.00'
1.5
ARMOR STONE*, W50 = 4300-lb
6.00'
MLW EL. -1.06'
GEOTEXTILE, EXTEND
5 FT MIN. BEYOND
#10 STONE
ESTIMATED EXTENT
OF BURIED STRUCTURE
QUARRY RUN CREST**
#10
STONE**
COVER EXISTING TOE
OF SILL WITH GEOTEXTILE
MHW EL. 0.16'
FROM STA. 200+00 TO 218+07, 219+00 TO 221+20, 228+90 TO 231+10, 232+90 TO
234+13.5, AND 234+88 TO 254+00
CENTERLINE
EXISTING GROUND EL. VARIES
QUARRY RUN TOE
**TEN STONE THICKNESS MAY VARY UP TO 1' THICKNESS. QUARRY RUN THICKNESS,
WHERE NOT CALLED OUT, VARIES WITH ELEVATION OF EXISTING SILL.
1.5
LANDSIDE (EAST) BAYSIDE (WEST)
-10
-20
-10
-20
070 60 50 40 30 20 10 10 20 30 40 50 60 70
TOP EL. 8.5'
BREAKWATER
GEOTEXTILE, EXTEND
5 FT MIN. BEYOND
#10 STONE
FROM STA. 500+00 TO 513+06 , 601+00 TO 614+00, AND 701+00 TO 713
MHW EL. 0.16'
MLW EL. -1.06'
*ARMOR STONE IN 2 LAYERS ALONG CREST AND SIDE SLOPES, SINGLE LAYER ALONG TOE
1.5
9.50'
9.50'
6.40'
1.50'
1.00'
3.20'
5.00'
EXISTING GROUND EL. VARIES
ARMOR STONE*, W50 = 5400-lb
QUARRY RUN**
#10
STONE**
CORE STONE
CENTERLINE
GEOTEXTILE,
EXTEND 5 FT
MIN. BEYOND
#10 STONE
CORE STONE CREST
**TEN STONE THICKNESS MAY VARY UP TO 1' THICKNESS. QUARRY RUN THICKNESS,
WHERE NOT CALLED OUT, VARIES WITH ELEVATION OF EXISTING SILL.
1.5
SO
LI
C
IT
AT
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N N
O
FI
LE
N
AM
E:
D W
N B
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C
KD
B
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D
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B
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2 3
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4 5
A
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PL
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E:
D
AT
E M
AR
K
D
ES
C R
IP
TI
O N
C O
N
TR
AC
T
N O
SHEET
IDENTIFICATION
D
AT
E
AP
PR
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
BA
LT
IM
O
R E
D
IS
TR
IC
T
BA
LT
IM
O R
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AR
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AN
D
M
ID
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AP
EA
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B
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LA
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ST
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TO
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P R
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C T
BA
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R
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LA
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TO
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BALTIMORE DISTRICT
PH
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TO
N
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C301
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4C
1.
D W
G
EN
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IN
EE
R
IN
G D
IV
IS
IO
N
Feet 0 10 20
NOTES: 1. ALL ELEVATIONS SHOWN ARE IN VERTICAL DATUM NAVD88.
2. W50 = NOMINAL MEAN SIZE OF THE ARMOR STONE.
3. REFER TO DIV 31 05 19 FOR GEOTEXTILE SPECIFICATIONS
-10
-20
-10
-20
070 60 50 40 30 20 10 10 20 30 40 50 60 70
SOUTHEAST SILL END CAP
EXISTING GROUND EL. VARIES
*ARMOR STONE IN 2 LAYERS ALONG CREST AND SIDE SLOPES, SINGLE LAYER ALONG TOE
FROM STA. 409+67 TO 410+00
9.00'
9.00'
1.50'
1.00'
3.00'5.00'
ARMOR STONE*, W50 = 4300-lb
6.00'
QUARRY RUN**
#10
STONE**
MHW EL. 0.16'
MLW EL. -1.06'
TOP EL. +6'
GEOTEXTILE, EXTEND
5 FT MIN. BEYOND
#10 STONE
CENTERLINE
GEOTEXTILE,
EXTEND 5 FT
MIN. BEYOND
#10 STONE
**TEN STONE THICKNESS MAY VARY UP TO 1' THICKNESS. QUARRY RUN THICKNESS,
WHERE NOT CALLED OUT, VARIES WITH ELEVATION OF EXISTING SILL.
-10
-20
-10
-20
070 60 50 40 30 20 10 10 20 30 40 50 60 70
TOP EL. 8.5'
BREAKWATER & ISLANDS END CAP
GEOTEXTILE, EXTEND
5 FT MIN. BEYOND
#10 STONE
MHW EL. 0.16'
MLW EL. -1.06'
*ARMOR STONE IN 2 LAYERS ALONG CREST AND SIDE SLOPES, SINGLE LAYER ALONG TOE
9.50'
9.50'
6.40'
1.50'
1.00'
3.20'
5.00'
EXISTING GROUND EL. VARIES
ARMOR STONE*, W50 = 5400-lb
QUARRY RUN
#10
STONE**
CORE STONE 1
CENTERLINE
GEOTEXTILE,
EXTEND 5 FT
MIN. BEYOND
#10 STONE
FROM STA. 513+06 TO 513+72 , 600+34 TO 601+00, 614+00 TO 614+68 (ISLAND A), 700+32 TO 701+00, AND 712+64 TO 713+36 (ISLAND M)
**TEN STONE THICKNESS MAY VARY UP TO 1' THICKNESS. QUARRY RUN THICKNESS,
WHERE NOT CALLED OUT, VARIES WITH ELEVATION OF EXISTING SILL.
SO
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D
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D
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C R
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TI
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C O
N
TR
AC
T
N O
SHEET
IDENTIFICATION
D
AT
E
AP
PR
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
BA
LT
IM
O
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D
IS
TR
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T
BA
LT
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O R
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AR
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AN
D
M
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AP
EA
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B
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IS
LA
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ST
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ES
TO
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P R
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BA
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PH
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TO
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C302
EN
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4C
1.
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G D
IV
IS
IO
N
Feet 0 10 20
NOTES: 1. ALL ELEVATIONS SHOWN ARE IN VERTICAL DATUM NAVD88.
2. W50 = NOMINAL MEAN SIZE OF THE ARMOR STONE.
3. REFER TO DIV 31 05 19 FOR GEOTEXTILE SPECIFICATIONS
C
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N N
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C
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PL
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D
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D
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C R
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AC
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N O
SHEET
IDENTIFICATION
D
AT
E
AP
PR
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
BA
LT
IM
O
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D
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TR
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PH
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C303
0 10 20
C
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N O
SHEET
IDENTIFICATION
D
AT
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AP
PR
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
BA
LT
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TR
AC
T
N O
SHEET
IDENTIFICATION
D
AT
E
AP
PR
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
BA
LT
IM
O
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PH
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C305
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SHEET
IDENTIFICATION
D
AT
E
AP
PR
US Army Corps of Engineers
U .S
. A R
M Y
C O
R
PS
O F
EN
G
IN
EE
R S
BA
LT
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C306
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Feet 0 30 60
Feet 0 30 60
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AutoCAD SHX Text
SOUTHEAST SILL
AutoCAD SHX Text
SOUTWEST SILL
AutoCAD SHX Text
BREAKWATER
AutoCAD SHX Text B
AutoCAD SHX Text B
AutoCAD SHX Text A
AutoCAD SHX Text A
AutoCAD SHX Text
SOUTHEAST SILL
AutoCAD SHX Text
SOUTWEST SILL
AutoCAD SHX Text
BREAKWATER
AutoCAD SHX Text B
AutoCAD SHX Text B
AutoCAD SHX Text A
AutoCAD SHX Text A
AutoCAD SHX Text
SOUTHEAST SILL
AutoCAD SHX Text
SOUTWEST SILL
AutoCAD SHX Text
BREAKWATER
AutoCAD SHX Text B
AutoCAD SHX Text B
AutoCAD SHX Text A
AutoCAD SHX Text A
AutoCAD SHX Text
TRANSITION PLAN SCALE: 1' = 30'
AutoCAD SHX Text
TRANSITION PLAN SCALE: 1' = 30'
AutoCAD SHX Text
TRANSITION PLAN SCALE: 1' = 30'
AutoCAD SHX Text GEOTEXTILE TO BE LAID ABOVE #10 STONE AND EXTEND A MINIMUM 5 FT. BEYOND #10 STONE
AutoCAD SHX Text
QUARRY RUN SLOPE RATIO:2H:1V
AutoCAD SHX Text
#10 STONE SLOPE RATIO: 2H:1V
AutoCAD SHX Text
QUARRY RUN SLOPE RATIO:2H:1V
AutoCAD SHX Text
QUARRY RUN SLOPE RATIO: 1.5H:1V
AutoCAD SHX Text
SE AND SW SILL QUARRY RUN CREST TOP ELEV:. 0.0'
AutoCAD SHX Text
SE AND SW SILL ARMOR STONE SLOPE RATIO: 1.5H:1V
AutoCAD SHX Text
SE AND SW SILL ARMOR STONE CREST TOP ELEV.: 6.00'
AutoCAD SHX Text
BREAKWATER ARMOR STONE TOP ELEV.: 8.50'
AutoCAD SHX Text
BREAKWATER ARMOR STONE SLOPE RATIO: 1.5H:1V
AutoCAD SHX Text
#10 STONE SLOPE RATIO: 2H:1V
AutoCAD SHX Text GEOTEXTILE TO BE LAID ABOVE #10 STONE AND EXTEND A MINIMUM 5 FT. BEYOND #10 STONE
AutoCAD SHX Text NOTES: 1. PLACE #10 STONE TO MATCH ELEVATION AT THE SE, SW, AND BW DESIGN ELEVATIONS PLACE #10 STONE TO MATCH ELEVATION AT THE SE, SW, AND BW DESIGN ELEVATIONS 2. GEOTEXTILE PANELS MUST BE DEPLOYED TO PREVENT DISPLACEMENT DURING SUBSEQUENT GEOTEXTILE PANELS MUST BE DEPLOYED TO PREVENT DISPLACEMENT DURING SUBSEQUENT STONE PLACEMENT. 3. ANY PANELS DAMAGED DURING ALIGNMENT ADJUSTMENT MUST BE REMOVED AND REPLACED ANY PANELS DAMAGED DURING ALIGNMENT ADJUSTMENT MUST BE REMOVED AND REPLACED WITH UNDAMAGED NEW PANELS. 4. SURVEY THE FOUR CORNERS OF EACH PLACED PANEL. RECORD IN A LOG THE PANEL SURVEY THE FOUR CORNERS OF EACH PLACED PANEL. RECORD IN A LOG THE PANEL IDENTIFIER, DATE PLACED, WIDTH OF PANEL, LENGTH OF PANEL, NORTHING AND EASTING OF EACH CORNER.
AutoCAD SHX Text NOTES: 1. MATCH SE, SW, AND BW QUARRY RUN STONE ELEVATIONS AT POINTS A, B, AND C MATCH SE, SW, AND BW QUARRY RUN STONE ELEVATIONS AT POINTS A, B, AND C 2. INCREASE SE AND SW QUARRY RUN STONE AT 0.8% SLOPE TO MATCH BW CORE STONE INCREASE SE AND SW QUARRY RUN STONE AT 0.8% SLOPE TO MATCH BW CORE STONE DESIGN ELEVATIONS AT POINT D
AutoCAD SHX Text NOTES: 1. SE, SW, AND BW ALIGNMENTS MAINTAIN DOUBLE LAYER OF ARMOR STONE AT CREST AND SE, SW, AND BW ALIGNMENTS MAINTAIN DOUBLE LAYER OF ARMOR STONE AT CREST AND SIDESLOPES THROUGHOUT TRANSITION 2. PLACEMENT OF BW ARMOR STONE SUPERCEDES PLACEMENT OF SE ARMOR STONE IN THE PLACEMENT OF BW ARMOR STONE SUPERCEDES PLACEMENT OF SE ARMOR STONE IN THE TRANSITION ZONE.
AutoCAD SHX Text
STA 500+00
AutoCAD SHX Text
STA 400+00
AutoCAD SHX Text
STA 326+00
AutoCAD SHX Text C-301
AutoCAD SHX Text C-301
AutoCAD SHX Text C-301
AutoCAD SHX Text
TRANSITION ZONE
AutoCAD SHX Text
LEGEND
AutoCAD SHX Text A
AutoCAD SHX Text B
AutoCAD SHX Text C
AutoCAD SHX Text D
AutoCAD SHX Text
EDGE OF GEOTEXTILE
AutoCAD SHX Text
EDGE OF GEOTEXTILE
AutoCAD SHX Text
TOE OF #10 STONE
AutoCAD SHX Text
EDGE OF GEOTEXTILE
AutoCAD SHX Text
EDGE OF GEOTEXTILE
AutoCAD SHX Text
#10 STONE AND GEOTEXTILE
AutoCAD SHX Text
QUARRY RUN ALONG SE AND SW ALIGNMENT
AutoCAD SHX Text
ARMOR STONE PLACEMENT
AutoCAD SHX Text
LEGEND
AutoCAD SHX Text
GEOTEXTILE BEYOND #10 STONE
AutoCAD SHX Text
LEGEND
AutoCAD SHX Text
GEOTEXTILE BEYOND #10 STONE
AutoCAD SHX Text
GEOTEXTILE BEYOND #10 STONE
AutoCAD SHX Text
QUARRY RUN SLOPE RATIO:2H:1V
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C502
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IDENTIFICATION
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US Army Corps of Engineers
U .S
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C503
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AutoCAD SHX Text
GEOTEXTILE
AutoCAD SHX Text
ARMOR STONE CREST
AutoCAD SHX Text
ARMOR STONE
AutoCAD SHX Text
SCOUR PROTECTION
AutoCAD SHX Text
PLAN VIEW SCOUR PROTECTION
AutoCAD SHX Text
SCALE 1" = 10'
AutoCAD SHX Text
PROFILE VIEW OF SCOUR PROTECTION
AutoCAD SHX Text
SCALE 1" = 10'
AutoCAD SHX Text
BACKFILL EXCAVATION WITH QUARRY RUN
AutoCAD SHX Text
SCOUR PROTECTION
AutoCAD SHX Text
QUARRY RUN
AutoCAD SHX Text
EXTEND THE GEOTEXTILE A MINIMUM OF 1' BEYOND SCOUR PROTECTION BACKFILL
AutoCAD SHX Text
EXISTING GROUND
AutoCAD SHX Text
#10 STONE
AutoCAD SHX Text NOTES: 1) SCOUR PROTECTION TO BEGIN AT ARMOR STONE CREST AND EXTEND SCOUR PROTECTION TO BEGIN AT ARMOR STONE CREST AND EXTEND TOWARDS EXISTING SURFACE AT A 2:1 SLOPE 2) SCOUR PROTECTION WILL EXTEND 4' BELOW EXISTING SURFACE (Ds). SCOUR PROTECTION WILL EXTEND 4' BELOW EXISTING SURFACE (Ds). 3) EXCAVATE AREA OF SCOUR PROTECTION WITH 2:1 SIDE SLOPES EXCAVATE AREA OF SCOUR PROTECTION WITH 2:1 SIDE SLOPES 4) CONSTRUCT A 1' THICK LAYER OF 10 STONE ALONG THE SLOPE CONSTRUCT A 1' THICK LAYER OF 10 STONE ALONG THE SLOPE CLOSEST TO THE SILL. 5) COVER THE 10 STONE AND EXCAVATED AREA WITH GEOTEXTILE, COVER THE 10 STONE AND EXCAVATED AREA WITH GEOTEXTILE, MAKING SURE TO EXTEND THE GEOTEXTILE A MINIMUM OF 1' BEYOND THE EXCAVATED AREA. 6) MIDDLE LAYER OF SCOUR PROTECTION WILL CONSIST OF QUARRY RUN MIDDLE LAYER OF SCOUR PROTECTION WILL CONSIST OF QUARRY RUN STONE WITH A MINIMUM THICKNESS OF 1.5' 7) OUTER LAYER OF SCOUR PROTECTION WILL CONSIST OF TWO LAYERS OUTER LAYER OF SCOUR PROTECTION WILL CONSIST OF TWO LAYERS OF 4300-LB ARMOR STONE. 8) BACKFILL REMAINING EXCAVATED AREA WITH QUARRY RUN.BACKFILL REMAINING EXCAVATED AREA WITH QUARRY RUN.
AutoCAD SHX Text
EXTENT OF GEOTEXTILE
AutoCAD SHX Text
EXTENT OF GEOTEXTILE
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EXISTING GROUND
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2:1 SLOPE
AutoCAD SHX Text
TIE ARMOR STONE INTO EXISTING SILL
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File details come from the government source that posted it. Updated .