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DARE COUNTY BOMBING RANGE IMPROVEMENTS
DARE COUNTY BOMBING RANGE, DARE COUNTY, NORTH CAROLINA
June 3, 2014
PLAN
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NOT TO SCALE
1 1 2 3 4 5
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F2_1 WATER TABLE
L4Y
1 2 3
2 �������
1 �o�o�o�o�o�o� �® 0 EXISTING SUBGRADE
TYPICAL FILL SECTION — WETLANDS
TYPICAL FILL SECTION - WETLANDS WITH STANDING WATER
TYPICAL FILL SECTION - EXISTING TARGETS AND ROADS
TYPICAL FILL SECTIONS
NOT TO SCALE C -101 THROUGH C -114
0 WATER TABLE
0 EXISTING CONDITIONS CONSISTING OF STABLE
SUBGRADE OF SAND
® SACRIFICIAL STONE TO BE PLACED BELOW THE WATER
TABLE TO ESTABLISH GRADES. SACRIFICAL STONE
SHALL BE FILL IDENTIFIED AS COMMON FILL IN THE
NOTES AND SPECIFICATIONS.
NCDOT ABC STONE OR CRUSHED CONCRETE PLACED
IN ACCORDANCE WITH NOTES AND SPECIFICATIONS.
STONE DEPTH VARIES AND SHALL BE PLACED TO
ESTABLISH FINISHED GRADES SHOWN ON PLANS.
© NON -WOVEN GEOTEXTILE FABRIC MEETING THE
MINIMUM SPECIFICATIONS OUTLINED IN TABLE 1 AND
INSTALLED PER EARTHWORK NOTES AND
MANUFACTURERS SPECIFICATIONS.
F7-] GEOGRID: SINGLE LAYER, BIAXIAL OR TRIAXIAL
GEOGRID MEETING THE MINIMUM SPECIFICATIONS
OUTLINED IN TABLE 2 AND TABLE 3 AND INSTALLED
PER EARTHWORK NOTES AND MANUFACTURERS
SPECIFICATIONS.
® CELLULAR CONFINEMENT MEETING THE MINIMUM
SPECIFICATIONS OUTLINED IN TABLE 4 AND INSTALLED
PER EARTHWORK NOTES AND MANUFACTURERS
SPECIFICATIONS. CELLULAR CONFINEMENT SHALL BE
FILLED WITH NC DOT ABC STONE OR CRUSHED
CONCRETE. CELLULAR CONFINEMENT SHALL HAVE A
MINIMUM OF 10" COVER. REMOVE CELLULAR
CONFINEMENT FROM SECTION IF LESS THAN 10"
COVER, BUT RETAIN GEOGRID AND GEOFABRIC.
F2] CELLULAR CONFINEMENT MEETING THE MINIMUM
5 SPECIFICATIONS OUTLINED IN TABLE 4 AND INSTALLED
PER EARTHWORK NOTES AND MANUFACTURERS
8 SPECIFICATIONS. CELLULAR CONFINEMENT SHALL BE
FILLED WITH SELECT FILL. CELLULAR CONFINEMENT
7 SHALL HAVE A MINIMUM OF 10" COVER. REMOVE
CELLULAR CONFINEMENT FROM SECTION IF LESS THAN
10" COVER, BUT RETAIN GEOGRID AND GEOFABRIC.
`UJ
TABLE 1
MINIMUM NON -WOVEN GEOTEXTILE REQUIREMENTS
GE ❑TEXTILE PROPERTY
ASTM TEST
MINIMUM
Q
z
METHOD
i
GRAB STRENGTH (LB)
D 4632
380
PUNCTURE STRENGTH (LB)
- - - - - - - -- - -
�
TYPICAL FILL SECTION - WETLANDS WITH STANDING WATER
TYPICAL FILL SECTION - EXISTING TARGETS AND ROADS
TYPICAL FILL SECTIONS
NOT TO SCALE C -101 THROUGH C -114
0 WATER TABLE
0 EXISTING CONDITIONS CONSISTING OF STABLE
SUBGRADE OF SAND
® SACRIFICIAL STONE TO BE PLACED BELOW THE WATER
TABLE TO ESTABLISH GRADES. SACRIFICAL STONE
SHALL BE FILL IDENTIFIED AS COMMON FILL IN THE
NOTES AND SPECIFICATIONS.
NCDOT ABC STONE OR CRUSHED CONCRETE PLACED
IN ACCORDANCE WITH NOTES AND SPECIFICATIONS.
STONE DEPTH VARIES AND SHALL BE PLACED TO
ESTABLISH FINISHED GRADES SHOWN ON PLANS.
© NON -WOVEN GEOTEXTILE FABRIC MEETING THE
MINIMUM SPECIFICATIONS OUTLINED IN TABLE 1 AND
INSTALLED PER EARTHWORK NOTES AND
MANUFACTURERS SPECIFICATIONS.
F7-] GEOGRID: SINGLE LAYER, BIAXIAL OR TRIAXIAL
GEOGRID MEETING THE MINIMUM SPECIFICATIONS
OUTLINED IN TABLE 2 AND TABLE 3 AND INSTALLED
PER EARTHWORK NOTES AND MANUFACTURERS
SPECIFICATIONS.
® CELLULAR CONFINEMENT MEETING THE MINIMUM
SPECIFICATIONS OUTLINED IN TABLE 4 AND INSTALLED
PER EARTHWORK NOTES AND MANUFACTURERS
SPECIFICATIONS. CELLULAR CONFINEMENT SHALL BE
FILLED WITH NC DOT ABC STONE OR CRUSHED
CONCRETE. CELLULAR CONFINEMENT SHALL HAVE A
MINIMUM OF 10" COVER. REMOVE CELLULAR
CONFINEMENT FROM SECTION IF LESS THAN 10"
COVER, BUT RETAIN GEOGRID AND GEOFABRIC.
F2] CELLULAR CONFINEMENT MEETING THE MINIMUM
5 SPECIFICATIONS OUTLINED IN TABLE 4 AND INSTALLED
PER EARTHWORK NOTES AND MANUFACTURERS
8 SPECIFICATIONS. CELLULAR CONFINEMENT SHALL BE
FILLED WITH SELECT FILL. CELLULAR CONFINEMENT
7 SHALL HAVE A MINIMUM OF 10" COVER. REMOVE
CELLULAR CONFINEMENT FROM SECTION IF LESS THAN
10" COVER, BUT RETAIN GEOGRID AND GEOFABRIC.
`UJ
TABLE 1
MINIMUM NON -WOVEN GEOTEXTILE REQUIREMENTS
GE ❑TEXTILE PROPERTY
ASTM TEST
MINIMUM
Q
z
METHOD
REQUIREMENTS
GRAB STRENGTH (LB)
D 4632
380
PUNCTURE STRENGTH (LB)
D 4833
50
BURST STRENGTH (PSI)
D 3786
800
TRAPEZOIDAL TEAR (LB)
D 4533
145
APPARENT OPENING SIZE
D 4751
0.150
(MM)
Q
PERMITTIVITY (1 /SEC)
D 4491
0.70
ULTRAVI ❑LET DEGRADATION
D 4355
70
(% RETAINED @500 HRS)
z�
POLYMER TYPE
POLYESTER OR
ozrL
o
POLYPROPYLENE
TABLE 2
MINIMUM BIAXIAL GEOGRID REQUIREMENTS
GE ❑GRID PROPERTY
ASTM TEST
MINIMUM
w
METHOD
REQUIREMENTS
MINIMUM RIB THICKNESS
DIRECT MEASURE
0.07
APERTURE SIZE - MACHINE
DIRECT MEASURE
1.0
DIRECTI ❑N (IN)
QQ
�
APERTURE SIZE - CROSS
DIRECT MEASURE
1.0
MACHINE DIRECTI ❑N (IN)
o
TENSILE STRENGTH @ 5%
D 6637
1200
STRAIN (LB/FT) MACHINE
DIRECITI ❑N
m
MTENSILE STRENGHT @ 5%
w
1370
STRAIN (LB/FT) CROSS
=
MACHINE DIRECTION
ULTIMATE TENSILE
1850
STRENGTH (LB/FT) MACHINE
z
DIRECTI ❑N
m
ULTMIATE TENSILE
2050
STRENGTH (LB/FT) CROSS
MACHINE DIRECTI ❑N
MANUFACTURING PROCESS
PUNCHED & DRAWN
TABLE 3
MINIMUM TRIAXIAL GEOGRID REQUIREMENTS
GE ❑GRID PROPERTY
ASTM TEST
MINIMUM
METHOD
REQUIREMENTS
APERTURE SHAPE
TRIANGULAR
RIB PITCH (IN)
DIRECT MEASURE
1.6
LONGITUDINAL
RIB PITCH (IN)
DIRECT MEASURE
1.6
DIAGONAL
MID RIB DEPTH (IN)
DIRECT MEASURE
0.08
DIAGONAL
MID RIB DEPTH (IN)
DIRECT MEASURE
0.06
TRANSVERSE
MIDRIB WIDTH (IN)
DIRECT MEASURE
0.04
DIAGONAL
MIDRIB WIDTH (IN)
DIRECT MEASURE
0.05
TRANSVERSE
RIB SHAPE
RECTANGULAR
APERTURE SHAPE
TRIANGULAR
TABLE 4
MINIMUM CELLULAR CONFINEMENT REQUIREMENTS
GE ❑TEXTILE PROPERTY
ASTM TEST
MINIMUM
METHOD
REQUIREMENTS
MATERIAL C ❑MP❑SITI ❑N
D 1505
POLYETHYLENE
MATERIAL DENSITY (LB/FT')
D 1505
58.4
CELL DEPTH (IN)
DIRECT MEASURE
8
CELL LENGTH (IN)
DIRECT MEASURE
8.8
CELL WIDTH (IN)
DIRECT MEASURE
10.2
MINIMUM CELL SEAM
640
STRENGTH (LBF)
5
EARTHWORK NOTES
1. SUBSURFACE SOIL CONSISTS OF SOFT CLAY,
SILT, PEAT, AND LOOSE SANDS. GROUNDWATER IS
AT OR NEAR THE GROUND SURFACE.
2. PRIOR TO CONSTRUCTION ENSURE ADEQUATE
WEEP AND DIVERSION DITCHES TO PROVIDE STORM
WATER CONTROL DURING THE GRADING PROCESS.
PERFORM EXCAVATION AND FILL IN A MANNER
AND SEQUENCE THAT WILL PROVIDE PROPER
DRAINAGE AT ALL TIMES.
3. WHERE INDICATED OR DIRECTED, STRIP
TOPSOIL TO A DEPTH OF 4 INCHES. REMOVE ALL
SURFACE VEGETATION OR STUMPS WITHIN THE
CONSTRUCTION LIMITS. PLACE FILL TO ESTABLISH
SUBGRADE ELEVATIONS. IT MAY BE NECESSARY
TO PLACE FILL MATERIAL ON SURFACES THAT ARE
SATURATED.
4. DUE TO THE NATURE OF THE SOFT SOILS ON
SITE, PROOF ROLLING WILL NOT BE REQUIRED.
5. AFTER SUBGRADE ELEVATIONS ARE
ESTABLISHED, PLACE NON -WOVEN GEOTEXTILE
FABRIC ALLOWING A MINIMUM OF A 2 FT.
OVERLAP OF FABRIC. GEOGRID SHALL BE PLACED
ON TOP OF THE NON -WOVEN GEOTEXTILE FABRIC
ALLOWING A MINIMUM OF A 2 FT OVERLAP OF
GEOGRID. THE CELLULAR CONFINEMENT IS TO BE
PLACED ON TOP OF THE GEOGRID AND FILLED
WITH ABC STONE. CONTINUE TO PLACE ABC
STONE IN LIFTS OF 6 INCHES OR LESS AND
COMPACT TO A MINIMUM OF 85 PERCENT OF
ASTM D 698 MAXIMUM DRY DENSITY.
6. ALL FILL AT TIME OF PLACEMENT SHALL BE
AT A MOISTURE CONTENT RANGE OF +/- 3
PERCENT OF THE OPTIMUM ESTABLISHED FROM
LABORATORY TESTING. IN NON- COHESIVE SOILS
COMPACTION SHALL BE MADE WITH A 2 TO 4 TON
VIBRATORY DRUM ROLLER. WHEN COMPACTION
TAKES PLACE NEAR THE WATER TABLE, VIBRATION
SHOULD BE MINIMIZED OR NOT USED AT ALL TO
PREVENT WATER FROM INFILTRATING IN UPPER
LAYERS.
7. AT LEAST 1 FIELD DENSITY TEST, ASTM D
698, SHALL BE MADE FOR EACH 2,000 SQUARE
FOOT OF EACH LIFT WITHIN THE PAVEMENT AREA.
A MINIMUM OF 1 TEST PER LIFT IS REQUIRED.
8. ENSURE THAT VEHICULAR TRAFFIC IS LIMITED
ON PREPARED SURFACES TO AVOID WEAKENING
UNDER TIRE LOADING.
9. USE COMMON FILL MATERIALS AS REQUIRED
TO MEET FINISHED GRADES UNLESS NOTED
OTHERWISE. COMMON FILL MATERIAL IS
CLASSIFIED BY ASTM D 2487 AS: GW, GP, GM,
GP -GM, GW -GM, GC, GP -GC, GM -GC, SW,
SW -SM, SP, SM, OR SP -SM, FREE OF DEBRIS,
ROOTS, WOOD, SCRAP MATERIAL, VEGETATION,
REFUSE, SOFT UNSOUND PARTICLES, AND FROZEN,
DELETERIOUS, OR OBJECTIONABLE MATERIALS.
UNLESS SPECIFIED OTHERWISE, THE MAXIMUM
PARTICLE DIAMETER SHALL NOT EXCEED 1/3 THE
LIFT THICKNESS AT THE INTENDED LOCATION.
10. SELECT FILL MATERIAL
ASTM D 2487 AS: GW, GP,
SP -SM. UNLESS SPECIFIED
MAXIMUM PARTICLE DIAMETER
1/3 THE LIFT THICKNESS AT
LOCATION.
1 1 2 1 3 1 4 1 5
S CLASSIFIED BY
SW, SP, SM, OR
OTHERWISE, THE
SHALL NOT EXCEED
THE INTENDED
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PM /DM CBM
BRANCH MANAGER CBM
CHIEF ENG /ARCH RJC
FIRE PROTECTION
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�m
z
0
m
SCALE: AS NOTED
EPROJECT NO.: 1268947
CONSTR. CONTR
NAVFAC DRAWING NO.
12676030
SHEET 17 OF 17
C -501
ORAWFORM REVISION: 10 MARCH 2009
IN
C
s