Basis of Design Book 2 - City of St. Petersburg

ALBERT WHITTED AIRPORT
TECHNICAL MEMORANDUM
SHORELINE PROTECTION
3.0 HAULING BY BARGE
Transporting the Pier concrete waste material by barge to SPG is possible and is estimated to
be approximately 0.85 statute miles (sm). The following items will have an effect on hauling the
materials by barge from the Pier to the eastern property boundary of SPG.
FAA runway design standards for Runway 18-36 as well as the Runway 25 end.
Runway approach surfaces and associated height limitations.
14 CFR Part 77 defined transitional surfaces and associated height limitations.
Area limits for placement of material on eastern boundary.
Probable barge route from the Pier to SPG shoreline.
The capacity of the barge will determine the number of trips necessary to transport the 15,000
cy of material to SPG.
3.1 Local Waterway Considerations
Exhibit 3 depicts the St. Petersburg waterfront layout as published in an inset from the National
Oceanographic and Atmospheric Administration (NOAA) Chart Number 11416. The St.
Petersburg Municipal Pier is located north of SPG and separates the Central and North Yacht
Basins.
There is a charted spoil area located directly east of Runway 25 which also runs to the south,
however there appears to be ample area and water depth to the east and south of the area for a
barge to approach the shoreline of SPG. The City’s contractor should make certain that a barge
operator can position a route around the spoil area. Marine depth gauges or sounding
equipment and an expected weight capacity/load of pier demolition materials could be used to
plan the route.
The NOAA Chart also depicts a submerged sewer pipeline that extends from the eastern
shoreline directly east from the water treatment plant.
In addition to the above considerations, shore winds and tides will influence when barge
materials can be loaded at the Pier, transported and unloaded at SPG.
3.2 Airspace Considerations
Exhibit 4 depicts the height limitations of the existing runway approach surfaces and Part 77
transitional surfaces which may not be penetrated by objects including construction equipment
when a runway is open to aircraft operations. As such, the height of the barge, equipment and
tug, as well as the height of the materials on the barge, may not exceed the elevations depicted
along a final route determined as part of the Pier demolition program.
Albert Whitted Airport – Shoreline Protection 7/19/12
Technical Memorandum Page 3