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Overview of Canal Maintenance Ordinances - City of Punta Gorda

Overview of Canal Maintenance Ordinances - City of Punta Gorda

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Discussion Outline<br />

* <strong>Punta</strong> <strong>Gorda</strong> <strong>Canal</strong> Statistics<br />

* <strong>Overview</strong> <strong>of</strong> <strong>Canal</strong> <strong>Maintenance</strong> <strong>Ordinances</strong><br />

* Common Causes <strong>of</strong> Seawall Failure<br />

* Construction Methods<br />

* Funding


<strong>Punta</strong> <strong>Gorda</strong> Isles (PGI)<br />

* <strong>Canal</strong>s/seawalls<br />

constructed in early<br />

1960’s & late 1970’s<br />

* 50 miles <strong>of</strong> canals<br />

* 100 miles <strong>of</strong> concrete<br />

seawall


Burnt Store Isles (BSI)<br />

* <strong>Canal</strong>s/seawalls<br />

constructed in late<br />

1970’s<br />

* 7.5 miles <strong>of</strong> canals<br />

* 15 miles <strong>of</strong> concrete<br />

seawall


Discussion Outline<br />

√ <strong>Punta</strong> <strong>Gorda</strong> <strong>Canal</strong> Statistics<br />

* <strong>Overview</strong> <strong>of</strong> <strong>Canal</strong> <strong>Maintenance</strong> <strong>Ordinances</strong>


<strong>Punta</strong> <strong>Gorda</strong> Isles (PGI)<br />

ORDINANCE 549-79<br />

* Creation <strong>of</strong> special taxing district & establishment<br />

<strong>of</strong> advisory board<br />

* Provide for maintenance <strong>of</strong> canals, waterways &<br />

navigable channels<br />

* Provide for maintenance/reconstruction <strong>of</strong><br />

bulkheads and retaining walls


Burnt Store Isles (BSI)<br />

ORDINANCE 825-86<br />

* Creation <strong>of</strong> special taxing district & establishment<br />

<strong>of</strong> advisory board<br />

* Provide for maintenance <strong>of</strong> canals, waterways &<br />

navigable channels<br />

* Provide for maintenance / reconstruction <strong>of</strong><br />

bulkheads and retaining walls


Construction in Waterways<br />

Criteria and Limitations<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

SINGLE FAMILY: Minimum <strong>of</strong> 85’ seawall length<br />

Structures must be within 45° from property line<br />

Maximum 25’ waterward from seawall<br />

Maintain 50’ navigable channel<br />

Freestanding concrete dock maximum 10’<br />

waterward<br />

Boat Lift & up to 3 out pilings or up to 6 out<br />

pilings or 2 Boat Lifts


Construction in Waterways<br />

Criteria and Limitations<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

SINGLE FAMILY: Less than 85’ seawall length<br />

Freestanding concrete dock maximum 10’<br />

waterward<br />

1 boat lift or 3 out pilings


Construction in Waterways<br />

Criteria and Limitations<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

MULTI-FAMILY: <strong>Canal</strong> width greater than 120’ &<br />

minimum <strong>of</strong> 85’ seawall<br />

Freestanding concrete dock, 4’ in width, 25’<br />

waterward maximum, separated by 27’<br />

3 bumper pilings per slip<br />

Boat lifts allowed if within 45° and maximum<br />

25’ waterward


Construction in Waterways<br />

Criteria and Limitations<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

MULTI-FAMILY: <strong>Canal</strong> width with less than 120’<br />

& less than 85’ seawall<br />

Freestanding concrete dock maximum 10’<br />

waterward<br />

1 boat lift or 3 out pilings


Construction in Waterways<br />

Ordinance Intent<br />

Criteria for granting a special permit for any structure<br />

or dredging must conform to the following:<br />

* In harmony with general intent & purpose <strong>of</strong><br />

subsection 6-6(c);<br />

* Non injurious to waterway;<br />

* Would not impede safe navigation;<br />

* Aesthetically & functionally compatible with<br />

existing structures & land;


Construction in Waterways<br />

Ordinance Intent<br />

Continued…<br />

* Must not interfere or be detrimental to the quiet &<br />

peaceful use <strong>of</strong> nearby land;<br />

* Would not otherwise be detrimental to public health,<br />

welfare & safety.


<strong>Maintenance</strong> <strong>of</strong> seawalls<br />

& appurtenances<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

The cost and expense <strong>of</strong> maintenance that are the<br />

responsibilities <strong>of</strong> canal maintenance assessment<br />

districts include:<br />

* Remove anything impeding flow <strong>of</strong> water or<br />

navigation from canals.<br />

* Maintain berm to proper height by placing fill on<br />

water side <strong>of</strong> seawall whenever necessary.<br />

* Repair, remove or replace deteriorating seawalls;<br />

Protect abutting & adjoining properties.


Continued…<br />

<strong>Maintenance</strong> <strong>of</strong> seawalls<br />

& appurtenances<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

* Filling <strong>of</strong> reported sinkholes or supplying material<br />

to residents.<br />

* Inspection <strong>of</strong> seawall & berm on properties.<br />

* Administer & implement the program for canal<br />

maintenance; act as trustee for funds generated<br />

and expended in PGI and BSI.<br />

* Dredge navigable channels when needed.


<strong>Maintenance</strong> <strong>of</strong> seawalls<br />

& appurtenances<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

Responsibility <strong>of</strong> property owners and tenants within<br />

the canal maintenance district to provide proper &<br />

safe maintenance <strong>of</strong> appurtenances as they may affect<br />

the condition <strong>of</strong> seawalls and canals, and specifically<br />

the following:<br />

* Water side <strong>of</strong> seawalls: maintenance <strong>of</strong> davits,<br />

hoisting or launching devises, docks, pilings,<br />

dock lights, water & power lines, boats and all<br />

other equipment.<br />

* Dredging, except in navigable channels.


Continued…<br />

<strong>Maintenance</strong> <strong>of</strong> seawalls<br />

& appurtenances<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

* Maintain the appearance <strong>of</strong> the seawall and cap<br />

consistent with those on adjoining lots.<br />

* Land side <strong>of</strong> seawalls:<br />

a) Refrain from any act endangering integrity <strong>of</strong><br />

seawalls, tie-rods or deadman. Objects or<br />

structures attached to or resting on or against the<br />

seawall or cap are prohibited, including cleats or<br />

anchors. Tie-<strong>of</strong>f anchors or any other structures<br />

must be placed 6’ or more landward <strong>of</strong> seawall.


<strong>Maintenance</strong> <strong>of</strong> seawalls<br />

& appurtenances<br />

per Section 6 <strong>of</strong> Code <strong>of</strong> <strong>Ordinances</strong><br />

Continued…<br />

b) <strong>Maintenance</strong> <strong>of</strong> ground level to be flush<br />

with top <strong>of</strong> seawall caps.<br />

c) <strong>Maintenance</strong> <strong>of</strong> davits, hoisting or launching<br />

devices, patios, swimming pools, walks,<br />

sprinkler & plumbing systems, wiring, grass,<br />

trees, shrubbery & other appurtenances or<br />

structures erected or placed upon the property.


Discussion Outline<br />

√ <strong>Punta</strong> <strong>Gorda</strong> <strong>Canal</strong> Statistics<br />

√ <strong>Overview</strong> <strong>of</strong> <strong>Canal</strong> <strong>Maintenance</strong> <strong>Ordinances</strong><br />

* Common Causes <strong>of</strong> Seawall Failure<br />

- Cap, Tie Back & Davit Failure<br />

- Water & Oyster Line Failure<br />

- Toe & Berm Failure<br />

- Slab Joint Separation & Sinkholes<br />

- Grass Edging


CAP, TIE BACK & DAVIT FAILURE


WATER & OYSTER LINE FAILURE


TOE & BERM FAILURES


SLAB JOINT<br />

SEPARATION<br />

SINKHOLES


Discussion Outline<br />

√ <strong>Punta</strong> <strong>Gorda</strong> <strong>Canal</strong> Statistics<br />

√ <strong>Overview</strong> <strong>of</strong> <strong>Canal</strong> <strong>Maintenance</strong> <strong>Ordinances</strong><br />

√ Common Causes <strong>of</strong> Seawall Failure<br />

* Construction Methods<br />

- Cap Replacement<br />

- Construction <strong>of</strong> Seawall Slabs<br />

- Seawall Replacement<br />

-Riprap<br />

- Sinkhole Repair


Construction Methods<br />

Cap<br />

Replacement


Construction Methods<br />

Construction<br />

<strong>of</strong><br />

Seawall Slabs


Step 1


Step 2


Step 3


Step 4


Step 5


Step 6


Construction Methods<br />

Seawall<br />

Replacement


Construction Methods<br />

Riprap


Construction Methods<br />

Sinkhole<br />

Repair


Discussion Outline<br />

√ <strong>Punta</strong> <strong>Gorda</strong> <strong>Canal</strong> Statistics<br />

√ <strong>Overview</strong> <strong>of</strong> <strong>Canal</strong> <strong>Maintenance</strong> <strong>Ordinances</strong><br />

√ Common Causes <strong>of</strong> Seawall Failure<br />

√ Construction Methods<br />

* Funding


Construction Costs<br />

Seawall Stabilization (riprap) $ 95.00/LF<br />

Seawall Cap Replacement<br />

Occupied lots $ 73.93/LF<br />

Vacant lots $ 51.43/LF<br />

Seawall Replacement (waterward)<br />

$300.00/LF<br />

Seawall Replacement (landward) $260.00/LF<br />

Dockside Dredging $295.00/HR


Annual Budget<br />

<strong>Punta</strong> <strong>Gorda</strong> Isles – Assessment Fee<br />

(A) $500 per lot – single family<br />

(B) Property zoned otherwise - $.05 sq/ft<br />

(C) Generates $2,575,000.<br />

Burnt Store Isles – Assessment Fee<br />

(A) $400 per lot – single family<br />

(B) Property zoned otherwise - $.04 sq/ft<br />

(C) Generates $412,000.


Discussion Outline<br />

√ <strong>Punta</strong> <strong>Gorda</strong> <strong>Canal</strong> Statistics<br />

√ <strong>Overview</strong> <strong>of</strong> <strong>Canal</strong> <strong>Maintenance</strong> <strong>Ordinances</strong><br />

√ Common Causes <strong>of</strong> Seawall Failure<br />

√ Construction Methods<br />

√ Funding


Questions & Answers

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