Skip to main content

Edges of water

If a shore or bank must be reinforced with surface treatment to resist erosion (stone riprap, reinforced concrete wall), adequate allowance must be factored for the highest expected water level and maximum wave action. What does this refer to?

AnswerFreeboard: the distance from the normal water line to the top of the reinforced or treated surface, which is considered a factor of safety (feet) above a flood level, important for floodplain management.

Resource note: See this link to FEMA for an index of site-related terms & keywords

ARE 4.0 exam prep: SPD

Comments

Try These Too!

Building Efficiency

Convert the usable area of classrooms planned with medium efficiency level of new construction to the gross building area given the following model factors: Net Assignable Square Feet: 10,000, Space Factor: 1.5, Building Efficiency Ratio: 67%

Shoring

A slurry wall is a narrow trench filled with a slurry mixture composed of bentonite clay and water, enabling it to resist pressure from the surrounding earth. What type temporary support is this? A. Bracing B. Sheeting C. Underpinning Answer B. It is a type of sheeting. ARE 4.0 exam prep: SPD

Footing cross-section

When the thickness of a foundation wall = 6", the cross-sectional proportions in this image are appropriate for which of the following: A. a footing supported on clay soil B. light frame construction supporting one floor and one roof C. allowable bearing capacity of foundation soil is low in relation to building loads D. when a continuous footing is required Answer B. light frame construction supporting one floor and one roof (in accordance with Table 1805.4.2) ARE 4.0 exam prep: PPP