ITB - Airport Driveway Improvements

SITE PLAN
FOR
AIRPORT DRIVEWAY IMPROVEMENTS
CITY OF DOUGLAS, GEORGIA
LOCATION IN GEORGIA
24 HOUR CONTACT
DONALD PATE
912-384-7723
S STATEWIDE ENGINEERING, INC.
W ENGINEERS - SURVEYORS - PLANNERS
JULY 2026
S
W
DRAWING INDEX
COVER SHEET
C-1.0 GENERAL NOTES & LEGEND
C-2.0 S.R. 31 EXISTING CONDITIONS AND DEMO
C-3.0 BMP DETAILS
SITE
LOCATION MAP
ENGINEER DEVELOPER
STATEWIDE ENGINEERING, INC. CITY OF DOUGLAS
516 EAST ASHLEY STREET ATTN: CHARLES DAVIS
DOUGLAS, GEORGIA 31533 302 S. MADISON AVENUE
(912) 384-7723 DOUGLAS, GEORGIA 31533
(912) 389-3401

1 DETAIL - LIGHT DUTY PAVEMENT
N.T.S.
DETAIL - RESURFACING SECTION
UNDER SEPARATE PROJECT
4
(SHOWN FOR INFORMATIONAL PURPOSES ONLY)
Douglas, Ga
N.T.S.
.CNI
,GNIREENIGNE
EDIWETATS
S
YAWEVIRD
TROPRIA
SRENNALP
-
SROYEVRUS
-
SREENIGNE
W
SALGUOD
FO
YTIC
C-1.0
SETON
LARENEG

20'
20 0 20 40
1" = 20'
SCALE FEET
.CNI
,GNIREENIGNE
EDIWETATS
S
YAWEVIRD
TROPRIA
SRENNALP
-
SROYEVRUS
-
SREENIGNE
W
SALGUOD
FO
YTIC
C-2.0
WEIV
NALP

Check Dam Cd
Geotextiles
DEFINITION A geotextile should be used as a separator Compost Filter Sock Cd-Fs
A temporary grade control structure, or dam between the graded stone and the soil base and
constructed across a swale, drainage ditch, or abutments. The geotextile will prevent the The filter sock should be staked in the center.
area of concentrated flow. migra-tion of soil particles from the subgrade into If the compost filter sock is to be left as a
the graded stone. The geotextile shall be
permanent filter or part of the natural
PURPOSE selected/ specified in accordance with AASHTO
landscape, it may be seeded at time of
To minimize the erosion rate by reducing the M288-06 Section 7.3, Separation Requirements,
installation for establishment of permanent
velocity of the storm water in areas of Table 3 :
vegetation.
concentrated flow. Geotextiles shall be "set" into the subgrade soils.
The geotextile shall be placed immediately
CONDITIONS adjacent to the subgrade without any voids and Compost filter media used for compost filter
This practice is applicable for use in small open extend five feet beyond the downstream toe of sock filler material shall be weed free and
channels and is not to be used in a live stream. the dam to prevent scour. derived from a well-decomposed source of
Specific applications include: organic matter.
CONSTRUCTION SPECIFICATIONS
1.Temporary or permanent swales or The compost shall be produced using an
ditches in need of protection during Stone Check Dams Cd-S aerobic composting process meeting CFR
establishment of grass linings. 503 regulations including time and
2. Temporary or permanent swales or Stone check dams should be constructed of temperature data.
ditches that, due to their short length of graded size 2-10 inch stone. Mechanical or
service or other reasons, cannot receive a
hand placement shall be required to insure The compost shall be free of any refuse,
permanent non-erodible lining for an
compete coverage of the entire width of the contaminants or other materials toxic to plant
extended period of time.
ditch or swale and that the center of the dam growth. Non-composted products will not be
3. Other locations where small localized
is lower than the edges. The center of the accepted.
erosion and resulting sedimentation prob
check dam must be at least 9 inches
lems exist.
lower than the outer edges. (See Figure Test methods for the items below should
DESIGN CRITERIA 6-12.2) follow US Composting Council Test Methods
Check dams should be designed using 2.0 cfs. for the Examination of Composting and
For any flows exceeding 2.0 cfs, check dams Straw-bale Check Dams Cd-Hb Compost guide-lines for laboratory
may be used in conjunction with other BMPs in procedures:
the channel. Dam height should be 24 inches Staked and embedded straw-bales may be
maximum measured to the center of the check used as temporary check dams in MAINTENANCE
dam. concentrated flow areas while vegetation is
becoming established. They shall not be Periodic inspection and required
Drainage Area
used where the drain-age area exceeds one maintenance must be provided. Sediment
For stone check dams, the drainage area shall
acre. Straw-bales should be installed per shall be removed when it reaches a depth of
not exceed two acres. For straw-bale check
Figure 6-12.3. one-half the original dam height or before. If
dams and compost filter socks, the drainage area
the area is to be mowed, check dams shall
shall not exceed one acre.
be removed once final stabilization has
Side Slopes occurred. Otherwise check dams may remain
Side slopes shall be 2:1 or flatter. in place permanently. After removal, the area
beneath the dam shall be seeded and
Spacing mulched immediately.
Two or more check dams in a series shall be
used for drainage areas greater than one (1)
acre. Maximum spacing between dams should be
such that the toe of the upstream dam is at the
same elevation as the top of the downstream
dam. (See Figure 6-12.1)
TYPICAL STRAW BALE CHECK DAM
PLAN
SECTION A-A
SECTION B-B
.CNI
,GNIREENIGNE
EDIWETATS
S
YAWEVIRD
TROPRIA
SRENNALP
-
SROYEVRUS
-
SREENIGNE
W
SALGUOD
FO
YTIC
C-3.0
SLIATED
PMB