Plans.pdf
PDF 2 MB Posted
- Attached to
- OVERBROOK SEAWALL REPLACEMENT
- Solicitation number
- 252729AMS
- Issued by
- Sarasota County, Florida
About this file
These construction plans detail the Overbrook Seawall Design project for Sarasota County, Florida, prepared by Coastal Engineering Consultants, Inc. The project involves replacing an existing seawall along Overbrook Road, with specific design elements including truline vinyl sheet pile panels filled with concrete, a 16-inch wide cap at elevations ranging from 3.0' to 3.7' NAVD88, and associated drainage and landscaping modifications. The plans include comprehensive technical drawings showing existing conditions, proposed plans, typical sections, and construction notes, with a focus on precise engineering specifications for seawall replacement and minimal environmental disturbance.
The project involves dredging an area to -3.0' NAVD88 and using the excavated material as backfill, with careful attention to preserving existing mangrove vegetation and minimizing ecological impact. The design incorporates technical details such as concrete deadman structures, reinforcement specifications, and specific construction methodologies. Concrete specifications include requirements for Portland cement type II with microsilica, maximum water-cement ratio of 0.44, and air entrainment of 4 percent by volume. The plans emphasize precise engineering tolerances, construction joint management, and environmental considerations, indicating a comprehensive approach to coastal infrastructure rehabilitation.
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Other files
| File | Type | Posted |
|---|---|---|
| Project_Map.pdf | ||
| Technical_Specifications.pdf | ||
| Project_Documents_252729AMS.pdf | ||
| General_Conditions.pdf | ||
| Other_Contract_Forms.pdf | ||
| NRCS_Hurricane_Ian_Repair_Grant_Provisions.pdf |
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NOTES
1. SURVEY COMPLETED BY COASTAL ENGINEERING CONSULTANTS, INC., ON 11/17/2023.
2. PLANE COORDINATES ARE BASED ON THE TRANSVERSE MERCATOR PROJECTION FOR THE
WEST ZONE OF FLORIDA AND REFERENCED TO THE NORTH AMERICAN DATUM OF 1983 (NAD
83).
3. ELEVATIONS SHOWN HEREON ARE IN FEET AND TENTHS AND REFERENCED TO THE NORTH
AMERICAN VERTICAL DATUM OF 1988 (NAVD88). REFERENCE BENCHMARK: _____
4. TIDAL REDUCTIONS WERE OBTAINED UTILIZING REAL-TIME KINEMATIC GPS AND
REFERENCED TO NAVD.
5. SURVEY ACCURACY STANDARDS, QUALITY CONTROL, AND QUALITY ASSURANCE
REQUIREMENTS WERE FOLLOWED DURING THIS SURVEY IN ACCORDANCE WITH USACE EM
1110-2-1003, HYDROGRAPHIC SURVEYING MANUAL, 11/30/2013.
6. INFORMATION SHOWN HEREON REFLECTS CONDITIONS AS THEY EXISTED ON THE SURVEY
DATE SHOWN AND CAN ONLY BE CONSIDERED INDICATIVE OF CONDITIONS AT THAT TIME.
7. AERIAL PHOTOGRAPHY OBTAINED FROM NOAA, DATED OCTOBER 2022.
TIDAL DATUMS AT MANASOTA
ARE BASED ON FLORIDA 872 5809
TIME PERIOD = NOV 1977 - JAN1978
= 1983 - 2001
CONTROL TIDE STATION = PUNTA GORDA
ELEVATIONS OF TIDAL DATUMS ARE REFERENCED IN
MEAN HIGH WATER (MHW) = 0.04 FT NAVD88
MEAN LOW WATER (MLW) = -1.01 FT NAVD88
MEAN LOWER LOW WATER (MLLW) = -1.35 FT NAVD88
NAVD 1988.
TIDAL EPOCH
MEAN HIGHER HIGH WATER (MHHW) = 0.33 FT NAVD88
(872 5744)
INDEX
1. COVER SHEET
2. EXISTING CONDITIONS
3. PROPOSED PLAN
4. TYPICAL SECTIONS
5. CONSTRUCTION NOTES
PUBLISHED TIDAL INFORMATION
OVERBROOK SEAWALL DESIGN
CONSTRUCTION PLANS
PREPARED FOR:
SARASOTA COUNTY
LOCATION MAP
1" = 500'
OVERBROOK RD
PROJECT LOCATION
GREENLAW
N DRNEPTUNE DR
KEYW
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FILE NO.: 23263-C-1
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OVERBROOK RD
SEAWALL WITH 16"
WIDE CAP
ELEV.= 3.0' NAVD
SEAWALL WITH 16"
WIDE CAP
ELEV.= 3.7' NAVD
MANGROVE
DRIP EDGE
BANANA TREE CLUSTER
SWALE CENTER LINE
EDGE OF PAVEMENT
TOP OF WASHOUT AREA
CMU RETAINING WALL
ELEV.= 5.7'
10' x 8' DILAPIDATED TIMBER DECK
RIPRAP RETAINING WALL
RIPRAP RETAINING WALL
15' x 5' CONCRETE SLAB
CONCRETE CATCH BASIN
CONCRETE
HEADWALL
PROPERTY LINE
CONCRETE SLAB
EXPOSED 3/4" DIA. PVC IRRIGATION PIPE
ELEV.= 6.3' NAVD
(2) 24" DIA. ID CPP PIPE
INVERT ELEV.= 2.9' NAVD
4" DIA. PVC PIPE
INVERT ELEV.= 1.9' NAVD
(2) 24" DIA. ID CPP PIPE
INVERT ELEV.= 7.7' NAVD
CABBAGE PALM (TYP)
6.5
6.4 6.2
5.9
0 7.5 15 30
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6.4
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5.9
A
A'
B
8" WIDE RETAINING
WALL ELEV.= 5.9' NAVD
EXISTING CMU CONCRETE
BLOCK RETAINING WALL
SEAWALL WITH 16"
WIDE CAP
ELEV.= 3.0' NAVD
C
C'
5.0'
0.7'
19.6'
5.3'
8.0'
5.0'
18.3'
25.8'
AREA TO BE DREDGED
TO -3.0' NAVD AND
USED AS BACKFILL
B'
MANGROVE
DRIP EDGE
AT PERPENDICULAR
CONNECTIONS ATTACH
MALE END CAP ONTO FACE
OF INTERSECTING SHEET
PILE USING SS FASTENERS
AND WASHERS ON 12"
CENTERS PER
MANUFACTURERS
SPECIFICATIONS (TYP)
PRE-ATTACH MALE ENDCAP
TO THE FIRST U-CHANNEL
PRIOR TO DRIVING. TO
MAINTAIN SPACING
CONSTRUCT WALL SO THAT
THE CLOSED END OF
U-CHANNEL IS ALWAYS
LEADING EDGE. (TYP)
13.5'
6.0'
12.0'
8.0'
MINOR TRIMMING OF
MANGROVES PERMITTED
TO ALLOW ACCESS
DREDGING FOOTPRINT
10.0'
10.0'
(5) STAIR RISERS
CONCRETE SLAB
ELEV.= 3.5' NAVD
CONCRETE DEADMAN
SEE SHEET 4 FOR
DETAILS (TYP)
9.0
5.0'
#7 H.D.G. DOUBLE
HOOK TIE (TYP)
0.5'
FORM AND POUR 1' WIDE BY .25'
THICK CONCRETE SEAL ON
LANDWARD SIDE OF JOINT
BETWEEN VINYL SEAWALL
PANEL AND EXISTING 2' WIDE
CONCRETE SEAWALL PANEL
FROM CAP TO -4.0' NAVD
8" WIDE SEAWALL
ELEV.= 3.5' NAVD
CONCRETE PATCH BETWEEN
EXISTING SLAB AND NEW
RETAINING WALL
FORM AND POUR
CONCRETE TRANSITION
WALL BETWEEN NEW AND
EXISTING CMU BLOCK
RETAINING WALL
0 2.5 5 10
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DISTANCE ALONG SECTION (FT)
A-A' SECTION
-5
-4
-2
0 5 10 15 20 25 30 35
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DISTANCE ALONG SECTION (FT)
B-B' SECTION
-10
-8
-6
-4
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0 5 10 15 20 25 30 35
FILL MATERIAL
TRULINE VINYL SHEET PILE (TYP)
5.3'21.8'
27.0'
5" THICK CONCRETE SLAB
EXISTING GRADE
3.0' 3.5'
5.9'
EXISTING GRADE
DREDGE TO
-3' NAVD88
TRULINE VINYL
SHEET PILE, FILLED
WITH CONCRETE
CONCRETE
DEADMAN
17.0' 5.0' 0.7'
STAIR RISERS (5)
#7 H.D.G. DOUBLE HOOK TIE
SPACED APPROX. 5' O.S.
5" THICK CONCRETE
SLAB
5.9'
3.5'
DREDGE TO
-3' NAVD88
EXISTING
SEAWALL
SCALE: 1" = 5'
EL
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N (F
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DISTANCE ALONG SECTION (FT)
C-C' SECTION
-5
-4
-2
0 5 10 15 20
5.9'
CONCRETE
DEADMAN
17.0'
SCALE: 1" = 5'
SCALE: 1" = 5'
17'-#8 H.D.G. TIE ROD
DEADMAN:
4' LONG X 2.5' HIGH X 2' WIDE
VOLUME = 0.75 CY
NOTE: MINIMIZE DISTURBANCE OF SOIL
SEAWARD OF DEADMAN.
PVC SLEEVE
4-#4 H.D.G. BARS (VERTICAL)
4-#4 H.D.G. BARS (HORIZONTAL)
90° HOOKS - MIN. 16"
(OR APPROVED EQUIVALENTS)
DEADMAN DETAIL
SCALE: 1" = 3'
MINIMUM COVER
1'-6" BELOW
SEAWALL CAP
2'-6" 6"
2'
9"
1 1/2" DIA. WELL POINT
W/ 1 1/2" DIA. VENT CAP
WITH SS SCREEN SPACED
5' APART MAX (TYP)
2-#7 HORIZONTAL BARS
(MINIMUM 12" LAP)
6X6-W1.4XW1.4 WWF
REINF. @ PAVEMENT
MID-DEPTH
8" X 6" THICK RIB
WHERE HOOK TIES
ARE LOCATED
STABILIZED FILL MATERIAL SHALL
HAVE LBR OF 40 AND BE
COMPACTED TO 95% MIN.
DENSITY AS DETERMINED BY
AASHTO T-99
2-#7 H.D.G. VERTICAL
BARS ENTIRE LENGTH
OF SHEET PILE
(MINIMUM 18" LAP) (TYP)
GEOFABRIC
1 1/2" DIA. X 3 FT. LONG
PVC WELL POINT
1 1/2" DIA. PVC COUPLING
1 1/2" DIA. PVC
1 1/2" DIA. PVC VENT CAP
W/ S.S. SCREEN
8.0'
EXISTING 2' WIDE
CONCRETE
PANEL
COLD JOINT
BETWEEN STEP
AND EXISTING CAP
DISTURBED AREAS SHALL BE
COVERED WITH SOD TO MATCH
SURROUNDING GRASS (TYP)
REPLACE EXISTING PVC
DRAIN PIPE (10' L)
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CONCRETE NOTES
1. PRIOR TO EXCAVATION THE CONTRACTOR TO FIELD VERIFY LOCATION OF ALL UTILITIES AND DRAINS.
2. THE CONTRACTOR SHALL BE RESPONSIBLE FOR STABILIZATION OF EXISTING BULKHEADS AND FILL DURING CONSTRUCTION.
3. THE CONTRACTOR SHALL DEMOLISH, REMOVE, AND DISPOSE OF IN AN APPROVED OFF SITE DISPOSAL AREA THE EXISTING STRUCTURES WITHIN THE LIMITS OF THE PROJECT.
4. MINIMUM CONCRETE COVERAGE OVER STEEL REINFORCING TO BE 3 INCHES.
5. CONCRETE SHALL HAVE A MINIMUM 28-DAY COMPRESSIVE STRENGTH OF 5,000 PSI AND MEET ASTM C-94. PORTLAND CEMENT SHALL BE TYPE II WITH MICROSILICA (MIN. 50 LB) AND FLY ASH.
MINIMUM CEMENT CONTENT SHALL BE 700 POUNDS PER CUBIC YARD WITH A MAXIMUM WATER-CEMENT RATIO OF 0.44. SLUMP RANGE: 5 INCHES ± 1 INCH. AIR ENTRAINMENT: 4 PERCENT BY VOLUME.
MIX DESIGN SHALL BE SUBMITTED TO ENGINEER FOR APPROVAL PRIOR TO CONSTRUCTION.
6. MIXING: MINIMUM 70 AND MAXIMUM 270 REVOLUTIONS OF MIXING DRUM. NONAGITATING EQUIPMENT IS NOT ALLOWED. CONCRETE SHALL BE PLACED WITHIN 1½ HOURS AFTER THE CEMENT HAS
BEEN ADDED TO THE MIX.
7. CONSTRUCTION JOINTS SHALL BE PERMITTED ONLY AT LOCATIONS INDICATED ON THESE PLANS. ANY ALTERATIONS SHALL REQUIRE APPROVAL FROM ENGINEER.
8. CONTACTING SURFACES SHALL BE COATED WITH AN APPROVED EPOXY BONDING COMPOUND IMMEDIATELY PRIOR TO CASTING NEW CONCRETE AT EACH CONSTRUCTION JOINT.
9. DO NOT PLACE CONCRETE IN A FORM UNTIL THE FORM HAS BEEN INSPECTED AND APPROVED BY THE OWNER AND ENGINEER. ALTHOUGH THE OWNER AND ENGINEER INSPECTS AND APPROVES
THE FORMS, THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING SATISFACTORY CONCRETE SURFACES, FREE FROM WARPING, BULGING, OR OTHER OBJECTIONABLE DEFECTS.
10. THE CONTRACTOR IS RESPONSIBLE FOR ALL RISKS CONNECTED WITH THE PLACING AND CURING OF CONCRETE. ALTHOUGH THE ENGINEER MAY GIVE HIM PERMISSION TO PLACE CONCRETE, THE
CONTRACTOR IS RESPONSIBLE FOR SATISFACTORY RESULTS. SHOULD THE CONCRETE THE CONTRACTOR PLACES PROVE UNSATISFACTORY, THE CONTRACTOR SHALL REMOVE, DISPOSE OF, AND
REPLACE THE CONCRETE AT NO EXPENSE TO THE OWNER.
11. CONSOLIDATE THE CONCRETE BY CONTINUOUS WORKING WITH A SUITABLE TOOL IN AN ACCEPTABLE MANNER, OR BY VIBRATING. WHEN NOT USING VIBRATORS, THOROUGHLY WORK AND COMPACT ALL THIN-SECTION WORK WITH A STEEL SLICING ROD. SPADE ALL FACES, AND FLUSH THE MORTAR TO THE SURFACE BY CONTINUOUS WORKING WITH A CONCRETE SPADING IMPLEMENT.
12. REMOVE FORMS FROM CAP BEAM AFTER CONCRETE HAS OBTAINED 70% OF THE SPECIFIED 28-DAY STRENGTH OR APPROVAL IS OBTAINED IN WRITING FROM ENGINEER.
13. TRULINE PANELS SHALL BE INSTALLED PLUMB. PANELS EXCEEDING TOLERANCE OF 1/2 INCH WHEN MEASURED WITH A 5-FOOT STRAIGHT EDGE SHALL NOT BE ACCEPTED.
14. IN THE EVENT THAT ADDITIONAL CUBIC YARDS OF CLEAN BACKFILL MATERIAL ARE REQUIRED TO ACHIEVE THE DESIGN ELEVATIONS LANDWARD OF THE BULKHEAD, THE CONTRACTOR SHALL IMPORT
CLEAN OFF-SITE FILL MATERIAL CONSISTING OF FINE GRAINED QUARTZ SAND TO ACHIEVE THE FINAL GRADES AND TOLERANCES AS SPECIFIED ON THE CONSTRUCTION PLANS. THE MATERIAL SHALL BE FREE FROM DIRT, CLAY BALLS, MUCK, ROOTS, AND ORGANIC MATTER AND CONTAIN LESS THAN 15 PERCENT BY WEIGHT PASSING THE NO. 200 SIEVE. SAMPLE SHALL BE PROVIDED TO OWNER
AND ENGINEER FOR APPROVAL PRIOR TO PLACEMENT.
15. FILL SHALL BE PLACED IN 6 INCH LIFTS AND COMPACTED TO A DENSITY OF AT LEAST 95% OF THE MAXIMUM DENSITY AS DETERMINED BY AASHTO T 99.
16. FILL AND GRADE PROPERTY UPON ACCEPTANCE OF CONCRETE PLACEMENT.
TRULINE SEAWALL NOTES
1. FOLLOW MANUFACTURER INSTRUCTIONS FOR INSTALLATION OF TRULINE SHEETPILE PANELS
2. TRENCHING IS NOT AN APPROVED SHEETPILE INSTALLATION METHOD
3. SEDIMENT PLUGS MUST BE REMOVED FROM CELL PRIOR TO FILLING WITH CONCRETE PER MANUFACTURER INSTALLATION INSTRUCTIONS
GENERAL NOTES
1. CONTRACTOR SHALL NOT DISTURB AREAS BEYOND DESIGNATED WORK AREA. CONTRACTOR SHALL NOT WORK OUTSIDE OF RIGHT OF WAY LINE OR EASEMENTS.
2. BLACK SILT FENCE SHALL BE PLACED ALONG THE PROPERTY LINES AND/OR CONSTRUCTION LIMITS PRIOR TO CONSTRUCTION. REFER TO DETAIL SHEET FOR SILT FENCE CONSTRUCTION
INFORMATION.
3. ALL DISTURBED AREAS SHALL RECEIVE SOD TO MATCH SURROUND GRASS. EXCEPT WHERE SPECIFICALLY IDENTIFIED AS A PAY ITEM FOR A PARTICULAR AREA, SOD IS INCIDENTAL TO THE PROJECT.
4. UTILIZE SYNTHETIC BALES, TEMPORARY BERMING, SOD SEED, AND MULCH TO CONTROL EROSION AS REQUIRED OR DIRECTED BY THE COUNTY OR ENGINEER.
5. CONTRACTOR SHALL BE RESPONSIBLE FOR THE PREVENTION AND CONTROL OF ANY EROSION, SEDIMENTATION OR SURFACE WATER TURBIDITY CAUSED BY HIS ACTIVITY.
6. DURING CONSTRUCTION, EXISTING GRATE INLET AND JUNCTION BOX OPENINGS SHALL BE COVERED WITH FILTER FABRIC (MIRAFI 14ON OR APPROVED EQUAL) TO PREVENT DEBRIS AND FILL FROM
FALLING INTO THE INLET.
7. CONTRACTOR SHALL VERIFY ALL DIMENSIONS AND ELEVATIONS PRIOR TO COMMENCEMENT OF CONSTRUCTION, ANY DEVIATION IN PLAN INFORMATION SHALL BE REPORTED TO THE ENGINEER AND
OWNER'S REPRESENTATIVE IMMEDIATELY.
8. CONTRACTOR IS REQUIRED TO OBTAIN FROM THE ENGINEER AND COUNTY WRITTEN APPROVAL FOR ANY DEVIATION IN PLANS AND/OR SPECIFICATIONS.
9. CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING TRAFFIC AND USAGE OF THE EXISTING STREETS ADJACENT TO THE PROJECT. ALL TRAFFIC MAINTENANCE CONTROL SHALL BE IN
ACCORDANCE WITH FLORIDA MANUAL OF TRAFFIC CONTROL AND SAFE PRACTICES FOR STREET CONSTRUCTION, MAINTENANCE, AND UTILITY OPERATIONS. TRAFFIC CONTROL OPERATION PROCEDURES SHALL BE SUBMITTED TO COUNTY FOR APPROVAL PRIOR TO BEGINNING CONSTRUCTION.
10. THE CONTRACTOR SHALL BE RESPONSIBLE FOR REMOVAL AND DISPOSAL OF ALL TREES, BRUSH, STUMPS AND DEBRIS (INCLUDING EXISTING STRUCTURES) NOT REQUIRED TO REMAIN IN THE
PROPOSED CONSTRUCTION AREA. WHERE SO DEPICTED BY THE COUNTY'S REPRESENTATIVE.
11. FILL MATERIAL SHALL BE FREE FROM CLAY BALLS, MUCK, ROOTS, AND ORGANIC MATTER AND CONTAIN LESS THAN 15 PERCENT BY WEIGHT PASSING THE NO. 200 SIEVE.
12. THE CONTRACTOR SHALL PLACE FILL IN 6-INCH LIFTS AND COMPACT TO A DENSITY OF AT LEAST 95 PERCENT OF THE MAXIMUM DENSITY AS DETERMINED BY AASHTO T 99.
| Sheets and Views |
| 23263-C_20241031-C1 |
| 2025-04-09T14:24:57-0400 | |
| Kyle A Kincaid |
| 2025-04-09T14:25:20-0400 | |
| Kyle A Kincaid |
| 2025-04-09T14:25:36-0400 | |
| Kyle A Kincaid |
| 2025-04-09T14:25:53-0400 | |
| Kyle A Kincaid |
| 2025-04-09T14:26:06-0400 | |
| Kyle A Kincaid |
File details come from the government source that posted it. Updated .