Regulations in England mean that only buildings constructed since 2007 and which are taller than 30m are required to have sprinklers fitted. … Existing high-rises in England must have them fitted if a fundamental change is made to the structure or use of the building. These regulations are the sameRead More →
Sailing vessels must sound one prolonged blast plus two short blasts every two minutes. When a power driven boat is stopped (underway but making no way), she shall sound two prolonged blasts every two minutes. Boats at anchor shall sound rapid strokes on the bell for 5 seconds at intervalsRead More →
There are three things that make carbon monoxide extremely dangerous: 1) The molecules of carbon monoxide are so small, they can easily travel through drywall; 2) Carbon monoxide doesn’t sink or rise – it mixes easily with the air inside a home; 3) It is an odorless gas, so withoutRead More →
A plaintiff must first prove that ‘a duty of care existed between the plaintiff and the negligent person or party‘. A duty of care is a legal duty to take reasonable care. How do you establish a case of negligence? Four elements are required to establish a prima facie caseRead More →
On all boats less than 4.8m (unless specified). Level 50S or greater at all times when: Boating between sunset and sunrise. Can you go kayaking without a life jacket? Personal Flotation Devices (PFDs aka Life Jackets) California boating law requires that all boats 16 feet or more in length, exceptRead More →
• If you travel in the United States, you do not need to get tested before or after travel or self-quarantine after travel. Do I need a COVID-19 negative test if am travelling between US states but transit through a foreign country? If you booked an itinerary from a USRead More →
Attach a seismic anchor to the side of the rafter opposite the joist. Seismic anchors are joints with a 90-degree-angle twist that connect the rafters directly to the wall. Nail the joist to the rafter. Use at least four nails per joist/rafter connection. Are joist hangers strong enough? A. IfRead More →
Porosity. Similar to the use of this same term for soil in geotechnical engineering, the porosity of a geotextile is the ratio of void volume to total volume. … Percent open area. … Permeability and Permittivity. … Transmissivity. … Apparent Opening Size. What are the properties of geotextiles? The physicalRead More →
Now, at least one wall switch–controlled lighting outlet is required in every habitable room, kitchen, and bathroom. What is required of an outlet that will be controlled by an automatic device? 2017 section 406.3(E) requires that all nonlocking type 125-volt, 15- and 20-ampere receptacles, that are controlled by an automaticRead More →
Blasting is used to clean surfaces (for example, prior to welding or coating), to smooth rough surfaces, roughen smooth surfaces, provide a desired finish or etch into materials, and for otherwise shaping a surface. Is Shot blasting safe? Abrasive blasting operations can create high levels of dust and noise. AbrasiveRead More →