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.
Plumbing Fixture Permit A plumbing permit is required when any fixture is relocated, or for the replacement of bathtub with shower or a whirlpool tub or shower pan. Residential Permit Construction of new home. A building permit is required for any addition to a one, two, or three family dwelling unit. Roof Replacement Permit. A permit is required for the replacement of an existing roof. Sewer Replacement Permit A plumbing permit is required for the replacement of an existing sewer.