![]() ![]() The French drain is one of the most common examples. During a rainstorm or as snow melts, the water travels through the gutters and downspouts to an area far from the building.ĭrainage systems collect water as it settles and allow it to flow away from the foundation. Examples include downspouts, flashing and gutters. ![]() Examples include exterior walls and glass windows.ĭiversion systems direct water away from the building. Components that help to control moisture levels include drainage, barrier and diversion systems.īarrier systems keep water out by protecting the outer surface of the building. Prolonged exposure to moisture encourages mold growth and affects the strength of building materials, so the design of a building envelope needs to minimize the building’s chances of water incursion or excess humidity. Whether in the form of water or humidity, moisture can cause significant damage to a building. Engineers should account for any particular climate issues or other conditions when choosing the materials for a building’s foundation, walls, roof, doors and windows. The doors and windows should open and close without binding or causing other issues.Ĭertain climate conditions can affect the structural performance of the building envelope. A foundation needs to support the building while the walls provide stability. Those components also play critical roles in the structural integrity of a building. The envelope includes the building’s foundation, walls, roof and entry points. Fall Protection, Design, Testing and Certification.Construction Quality Assurance Observations (QAO).Document Constructibility and Peer Review.Structural Engineering Consulting Services.Biological, Ecological and Habitat Monitoring.Underground & Above Ground Storage Tanks. ![]() Geotextile & Geofabric Observations & Testing.Instrumentation and Monitoring Services. ![]()
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