Tags: ASCE 7-10

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ASCE 7 Wall Zones Explained

ASCE 7-16 has expanded on the definition of component & cladding zones from previous ASCE 7 standards   Per ASCE 7-16, buildings are composed of 5 different zones, depending on the wind loading they are subjected to. Zones ‘4’ & ‘5’ relate to wall zones & are defined as follows: Zone 4: Any areas between …

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Mean Roof Height (ASCE 7)

Per ASCE 7, the Mean Roof Height (h) is defined as the average of the roof eave height and the height to the highest point on the roof surface, except that, for roof angles of less than or equal to 10°, the mean roof height is permitted to be taken as the roof eave height.   Visually, AAMA TIR …

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What are the requirements for using ASTM Missile Level E in Florida (2021 updated)?

In the 7th Edition Florida Building Code (2020), missile level E is valid in and outside of the HVHZ (Broward and Dade Counties) when it came to essential facilities.   You can find information in section FBC 1626.2.4 which is under the HVHZ (Dade & Broward Counties) but FBC section 449.4.2.5.1 refers to FBC sections …

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Is Steel or Reinforcing or Fibermesh Required in Posts & Footings of Building Components?

INTRODUCTION The main purpose foundations serve is to distribute and resist the forces or loads experienced by the host structure due to wind, rain, snow, seismic, & other load conditions. When it comes to building components such as generators, signs, and fences the code leaves a gray area for foundation design. This happens because most …

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ASCE 7 Main Wind Force vs. Components & Cladding Explained (MWFRS vs. C&C)

ASCE 7 separates wind loading into three types: Main Wind Force Resisting System (MWFRS), Components and Cladding (C&C), and Other Structures and Building Appurtenances. MWFRS is defined as “(a)n assemblage of structural elements to provide support and stability for the overall structure.” Typically, members which receive loading from two surfaces are designed to resist MWFRS …

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ASCE Risk Categories Explained

Background Building codes require that buildings be classified by their level of importance in determining the risk taken with safety factors against their failure under critical design loads. Calculations for the structure’s overall stability, flexure, and fatigue are all based on the assumption of a given risk category design level.  ASCE 7 references risk category …

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ASCE Wind Speed Risk Category To Use with Signs & Building Components On-Off Buildings

In terms of determining the risk category to a building component mounted to a building, the component ‘inherits’ the design properties of the structure. So a sign attached to a risk category II structure would be risk category II. If the sign is freestanding and not part of a main structure, while matching the risk …

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Calculator Glossary of Terms

Here’s a summary of our Online Calculator & General Terms. These terms are published by Engineering Express to coincide with help menus for our online tools. See also our FLOOD ENGINEERING GLOSSARY for more terms related to flood. LABEL GLOSSARY DESCRIPTION ADDITION ROOF TYPE For sunroom enclosures, roof types can be monoslope for studio, shed, …

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Flood Engineering Glossary

FLOOD GLOSSARY The following is provided as a curated summary of terms taken from the referenced standards that appear in the article footing. SEE ALSO OUR GENERAL GLOSSARY OF TERMS NATIONAL FLOOD INSURANCE PROGRAM (NFIP) The Federal program, create by an act of Congress in 1968, that makes flood insurance available in communities that enact …

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Flood Resistant Design & Floodproofing of Buildings

An engineer’s walk through of the design requirements for flood resistant design of building components With Engineering Express’s early start with floodproofing designs for floor barriers and exterior glazing in projects across the US, we quickly became experts in this field.  We’ve witnessed and directed static and dynamic flood testing, sat on industry meetings, met …

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