B.08.03 514C301.pdf
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- Solicitation number
- W912DR22B0006
About this file
This document includes technical drawings and specifications for stone structures required for the Mid Chesapeake Bay Barren Island Restoration Project. The project involves modifications to existing stone sills and construction of new breakwaters. The drawings depict typical cross sections for the stone sill modifications and breakwaters, specifying layer depths and materials such as armor stone, quarry run, geotextile fabric, and core stone. Sill modifications will take place between stations 125+20 to 138+19, 221+20 to 228+90, 231+10 to 232+90, 254+00 to 255+94, 300+00 to 323+50, and 402+50 to 409+67. New breakwaters will be constructed between stations 500+00 to 513+06, 601+00 to 614+00, and 701+00 to 713+00. All elevations are in NAVD88 vertical datum. The solicitation number for this opportunity is W912DR22B0006 and it was issued by the Department of the Army Corps of Engineers Baltimore District.
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Text version
-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
*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
**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
**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
**QUARRY RUN THICKNESS, WHERE NOT CALLED OUT, VARIES WITH ELEVATION OF
EXISTING SILL.
1.5
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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
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