City of Virginia Beach Pattern Book
Percolation (or perc test) – A test to determine if the soil on a proposed building lot is capable of absorbing the liquid effluent from a septic system.
Permeability – A measure of the ease with which water penetrates a material.
Permit – A governmental authorization to perform a building process. These may include: • Zoning/Use permit – authorization to use a property for a specific use (i.e. a factory, a single-family residence, etc.)
• Grading permit – authorization to change the contour of the land.
• Septic permit – a health department authorization to build or modify a septic system.
• Building permit – authorization to build or modify a structure. • Electrical permit – a separate permit required for most electrical work.
• Plumbing permit – a separate permit required for new
plumbing and larger modifications of existing plumbing systems.
Pier – A column of masonry, usually has a rectangular horizontal cross section, used to support other structural members. Also see Caisson.
Pitch – The inclined slope of a roof or the ratio of the total rise to the total width of a house. Roof slope is expressed in the inches of rise per foot of run. For example, an 8-foot rise and 24-foot width is a 1/3 pitch roof.
Pattern Book Appendices: Appendix B: Glossary: Construction Terms
Plans – See blue prints.
Plate – Sill plate: a horizontal member anchored to a masonry wall. Sole plate: bottom horizontal member of a frame wall. Top plate: top horizontal member of a frame wall supporting ceiling joists, rafters, or other members.
Plenum – The main hot-air supply duct leading from a furnace.
Plot plan – An overhead view plan that shows the location of the home on the lot. Includes all easements, property lines, set-backs, and legal descriptions of the home. Provided by the surveyor.
Plumb – Exactly vertical and perpendicular.
Plumbing rough – Work performed by the plumbing contractor after the rough heat is installed. This work includes installing all plastic ABS drain and waste lines, copper water lines, bath tubs, shower pans, and gas piping to furnaces and fireplaces. Lead solder should not be used on copper piping.
Plumbing stack – A plumbing vent pipe that penetrates the roof.
Plumbing trim – Work performed by the plumbing contractor to ready the home for a final plumbing inspection. Includes installing all toilets (water closets), hot water heaters, and sinks; and connecting all gas pipes to appliances, disposal, dishwasher, and all plumbing items.
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