HomeMy WebLinkAboutLetter; U.S. Army Corps of Engineers' DEPARTMENT OF THE ARMY
CORPS OF ENGINEERS JACKSONVILLE DISTRICT,
i 4400 PGA BOULEVARD, SUITE 500
PALM BEACH GARDENS, FLORIDA 33410
0
November 12, 2019
Regulatory Division
South Branch
Palm Beach Gardens Section
SAJ-2019-03659 (GP-CGK)
Herbert Yancy
4217 Sunrise Boulevard
Fort Peirce, Florida 34982
Dear Mr. Yancy:
The U.S. Army Corps of Engineers (Corps) assigned your application for a
Department of the Army permit, which the Corps received on October 1, 2019, the file
number SAJ-2019-03659 (GP-CGK). A review of the information and drawings
provided indicates that the proposed work would result in involves the installation of a
new dock; consisting of a 4-foot by 14-foot access pier and a 16-foot by 10-foot terminal
platform; and install a 144-sgaure foot boatlift. The activities subject to this permit are
authorized pursuant to authorities under Section 10 of the Rivers and Harbors Act of
1899 (33 U.S.C. § 403). The project is located at 581 Beach Avenue, in Section 21,
Township 36 South, Range 40 East, Port St. Lucie, St. Lucie County, Florida.
Your project, as depicted on the enclosed drawings, is authorized by Regional
General Permit (GP) SAJ-20. This authorization is valid until March 27, 2023. Please
access the Corps' Jacksonville District Regulatory Division Internet page to view the
special and general conditions for SAJ-20, which apply specifically to this authorization.
The Internet URL address is:
hftp://www.saj.usace.army.mil/Missions/Regulatory.aspx
Please be aware this Internet address is case sensitive; and, you will need to enter it
exactly as it appears above. Once there you will need to click on "Source Book'; and,
then click on "General Permits." Then you will need to click on the specific SAJ permit
noted above. You must comply with all of the special and general conditions of the
permit; and, any project -specific conditions noted below, or you may be subject to
enforcement action. The following project -specific conditions are included with this
authorization:
1. Reporting Address: The Permittee shall submit all reports, notifications,
documentation and correspondence required by the general and special
conditions of this permit to the following address:
a. For standard mail: U.S. Army Corps of Engineers, Regulatory
Division, Special Projects and Enforcement Branch, Enforcement PM
-2-
Address.
b. For electronic mail saj-rd-enforcement@usace.army. miI (not to
exceed 10 MB).
The Permittee shall reference this permit number, SAJ-2019-03659 (GP-
CGK) on all submittals.
2. Self -Certification Statement of Compliance: Within 60 days of completion of
the work authorized by this permit, the Permittee shall complete the attached
"Self -Certification Statement of Compliance" form (Attachment B) and submit
it to the Corps. In the event that the completed work deviates in any manner
from the authorized work, the Permittee shall describe the deviations between
the work authorized by this permit and the work as constructed on the "Self -
Certification Statement of Compliance" form. The description of any
deviations on the "Self -Certification Statement of Compliance" form does not
constitute approval of any deviations by the Corps.
3. Assurance of Navigation and Maintenance: The Permittee understands
and agrees that, if future operations by the United States require the
removal, relocation, or other alteration, of the structures or work herein
authorized, or if, in the opinion of the Secretary of the Army or his authorized
representative, said structure or work shall cause unreasonable obstruction
to the free navigation of the navigable waters, the Permittee will be required,
upon due notice from the U.S. Army Corps of Engineers, to remove,
relocate, or alter the structural work or obstructions caused thereby, without
expense to the United States. No claim shall be made against the United
States on account of any such removal or alteration.
4. Manatee Conditions: The Permittee shall comply with the enclosed
(Attachment C) "Standard Manatee Conditions for In -Water Work — 2011."
5. Project Design Criteria (PDCs) for In -Water Activities: The Permittee shall
comply with National Marine Fisheries Service's "PDCs for In -Water
Activities" dated November 20, 2017 (Attachment D).
6. Daylight Hours: All activities must be completed during daylight hours.
7. Construction Location: Project construction shall take place from uplands
or from floating equipment (e.g., barge) with clearance to access the site;
prop or wheel -washing is prohibited.
-3-
8. Turbidity Barriers: Prior to the initiation of any of the work authorized by
this permit, the Permittee shall install floating turbidity barriers with
weighted skirts around all work areas that are in, or adjacent to, surface
waters. The turbidity barriers shall remain in place and be maintained until
the authorized work has been completed and all suspended and erodible
materials have been stabilized.
Agency Changes/Approvals: Should any other agency require and/or
approve changes to the work authorized or obligated by this permit, the
Permittee is advised a modification to this permit instrument is required
prior to initiation of those changes. It is the Permittee's responsibility to
request a modification of this permit from the Palm Beach Gardens
Permits Section. The Corps reserves the right to fully evaluate, amend
and approve or deny the request for modification of this permit.
10. Commencement Notification: Within 10 days from the date of initiating
the work authorized by this permit the Permittee shall submit a completed
"Commencement Notification" Form (Attachment E).
11. Dock Construction Guidelines: The Permittee shall comply with the Dock
Construction Guidelines in Florida for Docks or Other Minor Structures
Constructed in or over Submerged Aquatic Vegetation, Marsh or
Mangrove Habitat — U.S. Army Corps of Engineers/National Marine
Fisheries Service — November 2017 (Attachment F).
12.Cultural Resources/Historic Properties:
a. No structure or work shall adversely affect impact or disturb properties
listed in the National Register of Historic Places (NRHP) or those eligible
for inclusion in the NRHP.
b. If during the ground disturbing activities and construction work within
the permit area, there are archaeological/cultural materials encountered
which were not the subject of a previous cultural resources assessment
survey (and which shall include, but not be limited to: pottery, modified
shell, flora, fauna, human remains, ceramics, stone tools or metal
implements, dugout canoes, evidence of structures or any other physical
i2
remains that could be associated with Native American cultures or early
colonial or American settlement), the Permittee shall immediately stop all
work and ground -disturbing activities within a 100-meter diameter of the
discovery and notify the Corps within the same business day (8 hours).
The Corps shall then notify the Florida State Historic Preservation Officer
(SHPO) and the appropriate Tribal Historic Preservation Officer(s)
(THPO(s)) to assess the significance of the discovery and devise
appropriate actions.
c. Additional cultural resources assessments may be required of the
permit area in the case of unanticipated discoveries as referenced in
accordance with the above Special Condition ; and if deemed necessary
by the SHPO, THPO(s), or Corps, in accordance with 36 CFR 800 or 33
CFR 325, Appendix C (5). Based, on the circumstances of the discovery,
equity to all parties, and considerations of the public interest, the Corps
may modify, suspend or revoke the permit in accordance with 33 CFR
Part 325.7. Such activity shall not resume on non-federal lands without
written authorization from the SHPO for finds under his or her jurisdiction,
and from the Corps.
d. In the unlikely event that unmarked human remains are identified on
non-federal lands, they will be treated in accordance with Section 872.05
Florida Statutes. All work and ground disturbing activities within a 100-
meter diameter of the unmarked human remains shall immediately cease
and the Permittee shall immediately notify the medical examiner, Corps,
and State Archeologist within the same business day (8-hours). The Corps
shall then notify the appropriate SHPO and THPO(s). Based, on the
circumstances of the discovery, equity to all parties, and considerations of
the public interest, the Corps may modify, suspend or revoke the permit in
accordance with 33 CFR Part 325.7. Such activity shall not resume
without written authorization from the State Archeologist and from the
Corps.
This authorization does not obviate the necessity to obtain any other Federal, State,
or local permits, which may be required. Prior to the initiation of any construction,
projects qualifying for this NWP/RGP permit must qualify for an exemption under
section 403.813(1), F.S. or 373.406, F.S., or otherwise be authorized by the applicable
permit required under Part IV of Chapter 373, F.S., by the Department of Environmental
Protection, a water management district under section 373.069, F.S., or a local
government with delegated authority under section 373.441, F.S., and receive Water
Ma
Quality Certification (WQC) and applicable Coastal Zone Consistency Concurrence
(CZCC) or waiver thereto, as well as any authorizations required for the use of state-
owned submerged lands under Chapter 253, F.S., and, as applicable, Chapter 258, F.S.
You should check State -permitting requirements with the Florida Department of
Environmental Protection or the appropriate water management district.
This authorization does not include conditions that would prevent the 'take' of a state -
listed fish or wildlife species. These species are protected under sec. 379.411, Florida
Statutes, and listed under Rule 68A-27, Florida Administrative Code. With regard to fish
and wildlife species designated as species of special concern or threatened by the State
of Florida, you are responsible for coordinating directly with the Florida Fish and Wildlife
Conservation Commission (FWC). You can visit the FWC license and permitting
webpage (http://www.myfwc.com/license/wildlife/) for more information, including a list
of those fish and wildlife species designated as species of special concern or
threatened. The Florida Natural Areas Inventory (http://www.fnai.org/) also maintains
updated lists, by county, of documented occurrences of those species.
This authorization does not give absolute Federal authority to perform the work as
specified on your application. The proposed work may be subject to local building
restrictions mandated by the National Flood Insurance Program. You should contact
your local office that issues building permits to determine if your site is located in a
flood -prone area, and if you must comply with the local building requirements mandated
by the National Flood Insurance Program.
If you are unable to access the internet or require a hardcopy of any of the conditions,
limitations, or expiration date for the above referenced RGP, please contact Christian
Karvounis by e-mail at Christian.G.Karvounis@usace.army.mil or by telephone at 561-
472-3508.
Thank you for your cooperation with our permit program. The Corps' Jacksonville
District Regulatory Division is committed to improving service to our customers. We
strive to perform our duty in a friendly and timely manner while working to preserve our
environment. We invite you to complete our automated Customer Service Survey at
http://corpsmapu.usace.army.mil/cm—apex/f?p=regulator"urvey. Please be aware
this Internet address is case sensitive; and, you will need to enter it exactly as it
appears above. Your input is appreciated — favorable or otherwise.
in
Sine
Christian Karvounis
Project Manager
Enclosures:
Attachment A: Drawings
Attachment B: Self Certification Form
Attachment C: Manatee Conditions
Attachment D: PDC's for In -Water Work
Attachment E: Commencement Notification Form
Attachment F: Dock Construction Guidelines
cc:
Benchmark Engineering of the Treasure Coast, LLC
GENERAL CONDITIONS
33 CFR PART 320-330
1. The time limit for completing the work authorized ends on the dates identified in the
letter.
2. You must maintain the activity authorized by this permit in good condition and in
conformance with the terms and conditions of this permit. You are not relieved of this
requirement if you abandon the permitted activity, although you may make a good faith
transfer to a third party in compliance with General Condition 4 below. Should you wish
to cease to maintain the authorized activity or should you desire to abandon it without a
good faith transfer, you must obtain a modification of this permit from this office, which
may require restoration of the area.
3. If you discover any previously unknown historic or archeological remains while
accomplishing the activity authorized by this permit, you must immediately notify this
office of what you have found. We will initiate the Federal and state coordination
required to determine if the remains warrant a recovery effort or if the site is eligible for
listing in the National Register of Historic Places.
4. If you sell the property associated with this permit you must obtain the signature of
the new owner in the space provided and forward a copy of the permit to this office to
validate the transfer of this authorization.
5. If a conditioned water quality certification has been issued for your project, you must
comply with the conditions specified in the certification as special conditions to this
permit. For your convenience, a copy of the certification is attached if it contains such
conditions.
6. You must allow a representative from this office to inspect the authorized activity at
any time deemed necessary to ensure that it is being or has been accomplished in
accordance with the terms and conditions of your permit.
DEPARTMENT OF THE ARMY PERMIT TRANSFER REQUEST
PERMIT NUMBER: SAJ-2019-03659 (GP-CGK)
When the structures or work authorized by this permit are still in existence at the time
the property is transferred, the terms and conditions of this permit will continue to be
binding on the new owner(s) of the property. Although the construction period for works
authorized by Department of the Army permits is finite, the permit itself, with its
limitations, does not expire.
To validate the transfer of this permit and the associated responsibilities associated
with compliance with its terms and conditions, have the transferee sign and date below
and mail to the U.S. Army Corps of Engineers, Enforcement Section, P.O. Box 4970,
Jacksonville, FL 32232-0019 or by electronic mail at
saj-rd-enforcement@usace.army.mil.
(TRANSFEREE -SIGNATURE) (SUBDIVISION)
(DATE)
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(BLOCK)
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SELF -CERTIFICATION STATEMENT OF COMPLIANCE
Within sixty (60) days of completion of the authorized work, submit this form via electronic may to
sai-rd-enforcement(cDusace.armv.mil (preferred, not to exceed 15MB) or by standard mail to U.S.
Army Corps of Engineers, Enforcement Section, P.O. Box 4970, Jacksonville, FL 32232-0019.
1. Department of the Army Permit Number: SAJ-2019-03659 (GP-CGK)
2. Permittee Information: Name:
Email:
Address:
Phone:
3. Date Authorized Work Started: Completed:
4. Contact to Schedule Inspection: Name:
Email:
Phone:
5. Description of Authorized Work (e.g. bank stabilization, fill placed within wetlands,
docks, dredging, etc.):
6. Acreage or Square Feet of Impacts to Waters of the United States:
7. Describe Mitigation completed (if applicable):
8. Describe any Deviations from Permit (attach drawing(s) depicting the deviations):
I certify that all work and mitigation (if applicable) was done in accordance with the limitations
and conditions as described in the permit. Any deviations as described above are depicted on
the attached drawing(s).
Signature of Permittee
Printed Name of Permittee
Date
Dated9/18/2019
STANDARD MANATEE CONDITIONS FOR IN -WATER WORK
2011
The permittee shall comply with the following conditions intended to protect manatees from direct project
effects:
a. All personnel associated with the project shall be instructed about the presence of manatees and
manatee speed zones, and the need to avoid collisions with and injury to manatees. The
permittee shall advise all construction personnel that there are civil and criminal penalties for
harming, harassing, or killing manatees which are protected under the Marine Mammal Protection
Act, the Endangered Species Act, and the Florida Manatee Sanctuary Act.
b. All vessels associated with the construction project shall operate at "Idle Speed/No Wake" at all
times while in the immediate area and while in water where the draft of the vessel provides less
than a four -foot clearance from the bottom. All vessels will follow routes of deep water whenever
possible.
C. Siltation or turbidity barriers shall be made of material in which manatees cannot become
entangled, shall be properly secured, and shall be regularly monitored to avoid manatee
entanglement or entrapment. Barriers must not impede manatee movement.
All on -site project personnel are responsible for observing water -related activities for the presence
of manatee(s). All in -water operations, including vessels, must be shutdown if a manatee(s)
comes within 50 feet of the operation. Activities will not resume until the manatee(s) has moved
beyond the 50-foot radius of the project operation, or until 30 minutes elapses if the manatee(s)
has not reappeared within 50 feet of the operation. Animals must not be herded away or harassed
into leaving.
e. Any collision with or injury to a manatee shall be reportedimmediately to the Florida Fish and
Wildlife Conservation Commission (FWC) Hotline at 1-888404-3922. Collision and/or injury
should also be reported to the U.S. Fish and Wildlife Service in Jacksonville (1-904-731-3336) for
north Florida or Vero Beach (1-772-562-3909) for south Florida, and to FWC at
mperiledS peciesra'2myFWC.com
Temporary signs concerning manatees shall be posted prior to and during all in -water project
activities. All signs are to be removed by the permittee upon completion of the project. Temporary
signs that have already been approved for this use by the FWC must be used. One sign which
reads Caution: Boaters must be posted. A second sign measuring at least 8'/2' by 11" explaining
the requirements for "Idle Speed/No Wake' and the shut down of in -water operations must be
posted in a location prominently visible to all personnel engaged in water -related activities. These
signs can -be viewed at MyFWC.com/manatee. Questions concerning these signs can be sent to
the email address listed above.
'CAUTION ,m MANATEE HA1`TAT
All project vessels
IDLE SPEED N 0 WAKE
When a manatee .is within 50 feet of work,
. all in -water activities nius.i
SHUT DOWN
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U.S. Army Corps of Engineers Jacksonville District's Programmatic Biological
Opinion (JaxBO) Project Design Criteria (PDCs) for In -Water Activities
November 20, 2017
1) (AP.7.) Education and Observation: The permittee must ensure that all personnel
associated with the project are instructed about the potential presence of species
protected under the ESA and the Marine Mammal Protection Act (MMPA). All on -site
project personnel are responsible for observing water -related activities for the
presence of protected species. All personnel shall be advised that there are civil and
criminal penalties for harming, harassing, or killing ESA -listed species or marine
mammals. To determine which species may be found in the project area, please
review the relevant Protected Species List at:
htto://sero.nmfs.noaa.gov/protected resources/section 7/threatened endangered/in
dex.html
2) (AP.8.) Reporting of interactions with protected species:
a) Any collision(s) with and/or injury to any sea turtle, sawfish, whale, or sturgeon
occurring during the construction of a project, shall be reported immediately to
NMFS's Protected Resources Division (PRD) at (1-727-824-5312) or by email to
takereport.nmfsser@noaa.gov and SAJ-RD-Enforcement@usace.army.mil.
b) Smalltooth sawfish: Report sightings to 1-844-SAWFISH or email
Sawfish@MyFWC.com
c) Sturgeon: Report dead sturgeon to 1-844-STURG 911 (1-844-788-7491) or email
nmfs.ser.sturgeonnetwork@noaa.gov
d) Sea turtles and marine mammals: Report stranded, injured, or dead animals to 1-
877-WHALE HELP (1-877-942-5343).
e) North Atlantic right whale: Report injured, dead, or entangled right whales to the
USCG via VHF Channel 16.
3) (AP.9.) Vessel Traffic and Construction Equipment: All vessel operators must
watch for and avoid collision with species protected under the ESA and MMPA.
Vessel operators must avoid potential interactions with protected species and
operate in accordance with the following protective measures:
a) Construction Equipment:
i) All vessels associated with the construction project shall operate at °Idle
Speed/No Wake" at all times while operating in water depths where the draft
of the vessel provides less than a 4-foot (ft) clearance from the bottom, and in
all depths after a protected species has been observed in and has departed
the area.
ii) All vessels will follow marked channels and/or routes using the maximum
water depth whenever possible.
iii) Operation of any mechanical construction equipment, including vessels, shall
cease immediately if a listed species is observed within a 50-ft radius of
construction equipment and shall not resume until the species has departed
the area of its own volition.
iv) If the detection of species is not possible during certain weather conditions
(e.g., fog, rain, wind), then in -water operations will cease until weather
conditions improve and. detection is again feasible.
b) All Vessels:
i) Sea turtles: Maintain minimum distance of 150 ft.
ii) North. Atlantic right whale: Maintain a minimum 1,500-ft distance (500 yards).
III) Vessels 65 ft in length or longer must comply with the Right Whale Ship Strike
Reduction Rule (50 CFR 224.105) which includes reducing speeds to 10
knots or less in Seasonal Management Areas
(http://www.fisheries.noaa.gov/pr/shipstrike/).
iv) Mariners shall check various communication media for general information
regarding avoiding ship strikes and specific information regarding right whale
sightings in the area. These include NOAA weather radio, USCG NAVTEX
broadcasts, and Notices to Mariners.
v) Marine mammals (i.e., dolphins, whales [other than North Atlantic right
whales], and porpoises): Maintain a minimum distance of 300 ft.
vi) When these animals are sighted while the vessel is underway (e.g., bow -
riding), attempt to remain parallel to the animal's course. Avoid excessive
speed or abrupt changes in direction until they have left the area.
vii) Reduce speed to 10 knots or less when mother/calf pairs or groups of marine
mammals are observed, when safety permits.
4) (APA 0.) Turbidity Control Measures during Construction: Turbidity must be
monitored and controlled. Prior to initiating any of the work covered under this
Opinion, the Permittee shall install turbidity curtains as described below. In some
instances, the use of turbidity curtains may be waived by the USACE project
manager if the project is deemed too minimal to generate turbidity (e.g., certain
ATON installation, scientific survey device placement, marine debris removal) or if
the current is too strong for the curtains to stay in place. Turbidity curtains
specifications:
a) Install floating turbidity barriers with weighted skirts that extend to within 1 ft of
the bottom around all work areas that are in, or adjacent to, surface waters.
b) Use these turbidity barriers throughout construction to control erosion and
siltation and ensure that turbidity levels within the project area do not exceed
background conditions.
c) Position turbidity barriers in a way that does not block species' entry to or exit
from designated critical habitat.
d) Monitor and maintain turbidity barriers in place until the authorized work has
been completed and the water quality in the project area has returned to
background conditions.
e) In the range of ESA -listed corals (St. Lucie Inlet, Martin County south to the Dry
Tortugas and the U.S. Caribbean) and Johnson's seagrass (Turkey Creek/Palm
Bay south to central Biscayne Bay in the lagoon systems on the east coast of
Florida):
i) Projects that include upland earth moving (e.g., grading to install a building or
parking lot associated with a dock and seawall project), must install sediment
control barriers to prevent any upland sediments from reaching estuarine or
marine waters.
ii) The turbidity curtain requirement cannot be waived for any project that moves
or removes sediment (e.g., dredging, auger to create a pile, trenching to
install a cableline). If turbidity curtains are not feasible in an area based on
site conditions such as water current, high wave action, or stormy conditions,
the project must undergo individual Section 7 consultation and is not covered
under this Programmatic Opinion.
5) (AP.11.) Entanglement: All turbidity curtains and other in -water equipment must be
properly secured with materials that reduce the risk of entanglement of marine
species (described below). Turbidity curtains likewise must be made of materials
that reduce the risk of entanglement of marine species.
a) In -water lines (rope, chain, and cable, including the lines to secure turbidity
curtains) must be stiff, taut, and non -looping. Examples of such lines are heavy
metal chains or heavy cables that do not readily loop and tangle. Flexible in -
water lines, such as nylon rope or any lines that could loop or tangle, must be
enclosed in a plastic or rubber sleeve/tube to add rigidity and prevent the line
from looping and tangling. In all instances, no excess line is allowed in the water.
b) Turbidity curtains and other in -water equipment must be placed in a manner that
does not entrap species within the construction area or block access for them to
navigate around the construction area.
COMMENCEMENT NOTIFICATION
Within ten (10) days of initiating the authorized work, submit this form via electronic mail to
saj-rd-enforcement@usace.army.mil (preferred, not to exceed 15 MB) or by standard mail
to U.S. Army Corps of Engineers, Enforcement Section, P.O. Box 4970, Jacksonville, FL
32232-0019.
1. Department of the Army Permit Number: SAJ-2019-03659 (GP-CGK)
2. Permittee Information:
Name:
Email:
Address:
Phone:
3. Construction Start Date:
4. Contact to Schedule Inspection:
Name:
Email:
Phone:
Signature of Permittee
Printed Name of Permittee
Date
Dated 9/18/2019
Construction Guidelines in Florida for Minor Piling -Supported Structures Constructed in
or over Submerged Aquatic Vegetation (SAV), Marsh or Mangrove Habitat
U.S. Army Corps of Engineers/National Marine Fisheries Service
November 2017
Submerged Aquatic Vegetation:
1. Avoidance. The piling -supported structure shall be aligned so as to minimize the size ofthe footprint over SAV beds.
2. The height of piling -supported structure shall be a minimum of 5 feet above MHW/OHW as measured from the top
surface of the decking.
3. The width of the piling -supported structure is limited to a maximum of 4 feet. A turnaround area is allowed for piling -
supported structures greater than 200 feet in length. The turnaround is limited to a section of the piling -supported
structure no more than 10 feet in length and no more than 6 feet in width. The turnaround shall be located at the
midpoint of the piling -supported structure.
4. Over-SAV bed portions of the piling -supported structure shall be oriented in a north -south orientation to the maximum
extent that is practicable.
5. a. If possible, terminal platforms shall be placed in deep water, waterward of SAV beds or in an area devoid of SAV
beds.
b. If a terminal platform is placed over SAV areas and constructed of grated decking, the total size of the platform shall
be limited to 160 square feet. The grated deck material shall conform to the specifications stipulated below. The
configuration of the platform shall be a maximum of 8 feet by 20 feet. A minimum of 5 feet by 20 feet shall conform to
the 5-foot height requirement; a 3 feet by 20 feet section may be placed 3 feet above MHW to facilitate boat access. The
long axis of the platform should be aligned in a north -south direction to the maximum extent that is practicable.
c. If the terminal platform is placed over SAV areas and constructed of planks, the total size of the platform shall be
limited to 120 square feet. The configuration of the platform shall be a maximum of 6 feet by 20 feet of which a
minimum 4-foot wide by 20-foot long section shall conform to the 5-foot height requirement. A section may be placed 3
feet above MHW to facilitate boat access. The 3 feet above MHW section shall be cantilevered. The long axis of the
platform should be aligned in a north -south direction to the maximum extent that is practicable. If the 3feet above MHW
section is constructed with grating material, it may be 3 feet wide.
6. One uncovered boat lift area is allowed. A narrow catwalk (2 feet wide if planks are used, 3 feet wide if grating is
used ) may be added to facilitate boat maintenance along the outboard side of the boat lift and a 4-foot wide walkway
may be added along the stern end of the boat lift, provided all such walkways are elevated 5 feet above MHW. The
catwalk shall be cantilevered from the outboard mooring pilings (spaced no closer than 10 feet apart).
7. Pilings shall be installed in a manner which will not result in the formation of sedimentary deposits("donuts" or
"halos") around the newly installed pilings. Pile driving is the preferred method of installation, butjetting with a low
pressure pump may be used.
8. The spacing of pilings through SAV beds shall be a minimum of 10 feet on center.
9. The gaps between deckboards shall be a minimum of % inch.
October 2002 - Grid Specifications and Suppliers Section modified to add an additional vendor of materials.
February 2003 —Manufacturer name changed from ChemGmte to FiberGrate
May 2003 -The terms dock and pier were removed and replaced by the term piling -supported structure, to clarify our intent.
March 2008 —Added requirement for 43% open space in grids; added additional manufacturer of grating.
November 2017 —Manufacturer of grated material updated to include Voyager Industries.
Marsh:
1. The piling -supported structure shall be aligned so as to have the smallest over -marsh footprint as practicable.
2. The over -marsh portion of the piling -supported shall be elevated to at least 4 feet above the marsh floor.
3. The width of the piling -supported is limited to a maximum of 4 feet. Any exceptions to the width must be
accompanied by an equal increase in height requirement.
Mangroves.
1. The width of the piling -supported structure is limited to a maximum of 4 feet.
2. Mangrove clearing is restricted to the width of the piling -supported structure.
3. The location and alignment of the piling -supported structure should be through the narrowest area of the mangrove
fringe.
Grid Specifications and Suppliers
The following information does not constitute a U.S. Army Corps of Engineers endorsement or advertisement for
any particular provider and is provided only as an example for those interested in obtaining these materials for
piling -supported structure construction. Light -transmitting materials are made of various materials shaped in the
form of grids, grates, lattices, etc., to allow the passage of light through the open spaces. All light -transmitting
materials used in construction for minor piling -supported structures shall have a minimum of forty-three (43)
percent open space.
A type of fiberglass grate panel is manufactured by SeaSafe (Lafayette, LA; phone: 1-800-326-8842) and FiberGrate
(1-800-5274043). A type of plastic grating is manufactured by ThruFlow Interlocking Panels (1-888478-3569).
Plastic grate panels are also distributed by Southern Pine Lumber Company (Stuart, FL; 772-692-2300). Grated
panels can be obtained from Titan DeckNoyager Industries (Brandon, MN; 877-207-4136; www.titandeck.net).
Panels are available in a variety of sizes and thicknesses. For safety, the grate should contain an anti -slip texture
which is integrally molded into the top surface. The manufacturer or local distributor should be consulted to ensure
that the load -bearing capacity of the selected product is sufficient to support the intended purpose. Contact the
manufacturer(s) for product specifications and a list of regional distributors.
October 2002 - Grid Specifications and Suppliers Section modified to add an additional vendor of materials.
February 2003 —Manufacturer name changed from ChemGrate to FiberGrate
May 2003 - The terms dock and pier were removed and replaced by the term piling -supported structure, to clarify our intent.
March 2008 —Added requirement for 43% open space in grids; added additional manufacturer of grating.
November 2017 —Manufacturer of grated material updated to include Voyager Industries.
DOCK EXAMPLE - GRATED TERMINAL PLATFORM
Construction Guidelines in Florida for Minor Piling -Supported Structures Constructed in or over
Submerged Aquatic Vegetation (SAV), Marsh or Mangrove Habitat
U.S. Army Corps of Engineers/National Marine Fisheries Service —August 2001
2-feet ,r6E0
10--fee( f?..
•�
�
F
� c
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i
�Vt� of
---slip/I
�c
may vary.
-,
eet
3-feet
OVERHEAD PLAN VIEW
"GRATED DECKING"
Means manufactured with a minimum of
43% open space.
Spacing of pilings through SAV beds shall
be a minimum of 10-feet on center.
- MIDPOINT TURNAROUND
Only for docks over 200-feet long.
LIFT ONLY \
No roof.
Vessel should be stored as high above
MHW as possible.
STERN WALKWAY
Allowed if lift constructed.
May be less than 4-feet wide
if longer slip is needed.
0-feet Q G-_l
NOTES:
• Not to scale.
• All widths are maximum dimension.
• All heights are minimum dimension.
• Piling supported structures over SAV
should be oriented north -south to the
extent practicable.
• MHW =,mean high water
MINIMUM HEIGHT —►
No less than 5-feet above MHW
y—�y
5-feet
— ACCESS CATWALKS
3-feet
3-feet wide if grated decking.
_
_ MHW . ____
3-feet. above MHW to facilitate
boat access.
Cantilevered off main structures;
no additional pilings.
FRONT PLAN VIEW
VER:201407
x
wE
S
DOCK EXAMPLE - WOOD PLANK TERMINAL PLATFO RM
Construction Guidelines in Florida for Minor Piling -Supported Structures Constructed in or over
Submerged Aquatic Vegetation (SAV), Marsh or Mangrove Habitat
U.S. Army Corps of Engineers/National Marine Fisheries Service—August.2001
J
2-feet 1-� 1
10=feei 1QF-
2-feet
OVERHEAD PLAN VIEW
The gaps between deckboards shall be a
minimum of 1/2 inch.
Spacing of pilings through SAV beds shall
be a minimum of I0-feet on center.
- MIDPOINT TURNAROUND
Only for docks over 200-feet long.
LIFT ONLY \
No roof.
Vessel should be stored as high above
MHW as possible.
STERN WALKWAY
Allowed if lift constructed.
G May be less than 4-feet wide
if longer slip is needed.
MINIMUM HEIGHT
No less than 5-feet above MHW
NOTES:
• . Not to scale.
• All widths are maximum dimension.
• All heights are minimum dimension.
• Piling supported structures over SAV
should be oriented north -south to the
extent practicable.
• MHW = mean high water
ACCESS CATWALKS
2-feet wide if wood decking.
tr-
5-feet
27�
FRONT PLAN VIEW
3-feet
l�ilf�'l f[
VER: 201407