The nucleus loses an alpha particle, which takes two protons and two neutrons out of the nucleus. This reduces the isotope number by four, and the atomic number by two. An exa â¦ mple is the alpha decay of thorium-232 (atomic number 90) to radium-228 (atomic number 88).
A raze permit is authorization for complete demolition of a building or structure. A raze permit may also be required if most of a building is to be demolished. HPO clearance of raze applications safeguards against demolition of historic properties by accident or without proper public notice.
A zoning permit is required for new construction. 1  Download the Zoning Guide for New Development for step-by-step instructions, a list of required documents, and a permit application form. 2  Or download the permit application only.dditions / accessory structures / fences. A zoning permit is required for additions to an existing structure, or for adding an accessory structure to the site. The general process includes these steps: 1  Submit application package and pay zoning fees. 2  See How to Apply at the end of this page.