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Waterproofing a structure from the exterior is the only method the U.S. International Building Code (IBC) recognizes as adequate to prevent structural damage caused by water intrusion. Waterproofing an existing basement begins with excavating to the bottom sides of the footings. Once excavated, the walls are then power washed and allowed to dry.
Waterproofing methods have been implemented in many types of objects, including paper packaging, cosmetics, and more recently, consumer electronics. Electronic devices used in military and severe commercial environments are routinely conformally coated in accordance with IPC-CC-830 to resist moisture and corrosion but encapsulation is needed to ...
Waterproof is defined by the ASTM as a treatment that resists the passage of water under pressure. [1] Generally, damp proofing keeps exterior moisture from entering a building; vapor barriers , a separate category, keep interior moisture from getting into walls.
The waterproofing system can be applied to the inside or the outside walls of a basement. [17] When waterproofing existing basements it is much cheaper to waterproof the basement on the inside. Waterproofing on the outside requires the expense of excavation, but does offer a number of advantages for a homeowner over the long term. Among them are:
Module:Location map/data/United States Chicago Downtown is a location map definition used to overlay markers and labels on an equirectangular projection map of Downtown Chicago. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.
The Edward F. Dunne Crib was built in 1909. Named after Chicago Mayor Edward Fitzsimmons Dunne, who was in office at the time crib plans were approved, the 110-foot (34 m) diameter circular crib stands in 32 feet (9.8 m) of water and houses a 60-foot (18 m) diameter interior well connected to two new tunnels. The Dunne Crib is situated 50 feet ...
OpenStreetMap map of the Pedway Sign of the Chicago Pedway. An underground Pedway tunnel Inside a Pedway bridge between the Ogilvie Transportation Center and 2 North Riverside Plaza The Chicago Pedway is a network of tunnels , ground-level concourses and bridges in Chicago, Illinois connecting skyscrapers, retail stores, hotels, and train ...
The resulting breach flooded basements, facilities and the underground Chicago Pedway throughout the Chicago Loop with an estimated 250 million US gallons (1,000,000 m 3) of water. [1] The remediation lasted for weeks, and cost about $2 billion in 1992 dollars, equivalent to $4.34 billion in 2023.