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The California Bearing Ratio (CBR) is a measure of the strength of the subgrade of a road or other paved area, and of the materials used in its construction. The ratio is measured using a standardized penetration test first developed by the California Division of Highways for highway engineering . [ 1 ]
Access and egress are also important parts of excavation safety. [77] Ramps used by equipment must be designed by a person qualified in structural design. [77] No person is allowed to cross underneath or stand underneath any loading or digging equipment. Employees are to remain at a safe distance from all equipment while it is operational.
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The UBC was first published in 1927 by the International Conference of Building Officials, which was based in Whittier, California. It was intended to promote public safety and provided standardized requirements for safe construction which would not vary from city to city as had previously been the case.
Means of egress: The way out of a building during an emergency; may be by door, window, hallway, or exterior fire escape; local building codes will often dictate the size. location and type according to the number of occupants and the type of occupancy. Multiple alarms: A request by an incident commander for additional personnel and apparatus ...
Egress may refer to: Data egress, data leaving a network in transit to an external location; Egress, the right of a person to leave a property; Egress (signal leakage), the passage of electromagnetic fields through the shield of a coaxial cable; Egress filtering, in computer networking, monitoring and/or restricting the flow of outbound information
The equivalent width of a spectral line is a measure of the area of the line on a plot of intensity versus wavelength in relation to underlying continuum level. It is found by forming a rectangle with a height equal to that of continuum emission, and finding the width such that the area of the rectangle is equal to the area in the spectral line.
The Alder Creek Bridge in Manchester, California, is located within an Alquist-Priolo Earthquake Fault Zone. [ 2 ] Buildings built before 1972 may still lie on top of active faults, and those buildings can remain where they were originally built, unless they undergo a major remodel where more than 50% of the building changes.