Specifications include, but are not limited to: TYPE A Inspection and Non-Invasive Activities. Includes, but is not limited to: removal of ceiling tiles for visual inspection limited to 1 tile per 50 square feet painting (but not sanding) wall covering, electrical trim work, minor plumbing, and activities which do not generate dust or require cutting of walls or access to ceilings other than for visual inspection. TYPE B Small scale, short duration activities which create minimal dust Includes, but is not limited to: installation of telephone and computer cabling access to chase spaces cutting of walls or ceiling where dust migration can be controlled TYPE C Work that generates a moderate to high level of dust or requires demolition or removal of any fixed building components or assemblies Includes, but is not limited to: sanding of walls for painting or wall covering removal of floor-covering, ceiling tiles and casework new wall construction minor duct work or electrical work above ceilings. major cabling activities any activity which cannot be completed within single work-shift