Plumbing Air Quality

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BEFORE THE ARCHITECT – HOME DESIGNING BACKGROUND – UNIQUE HOME DESIGNING ARTICLES

 HOME BUILDING PROBLEMS - HOME PLUMBING AIR QUALITY

By Before The Architect  Copyright 2003-2009 Before The Architect



 

There is a righteous certitude of plumbers.  It just has to be genetic; I think plumbers are born, not raised.  Before The Architect

hOME BUILDING PROBLEMS - HOME PLUMBING AIR QUALITY

SEVERAL ASPECTS OF HOME PLUMBING AIR QUALITY 
 
bulletA temperature and pressure valve to a hot water heater a/k/a 't & p valve'
bulletShall exhaust via type K copper pipe only
bulletShall exhaust to the exterior in a place not less than 10 linear feet from normally or casually occupiable area
bulletShall exhaust not greater than 2 linear feet over grade level
bulletShall exhaust straight down on the vertical
bulletShall not be less than ¾ linear inches in diameter
 
bulletDrain, waste, vent pipe (a/k/a DWV or plumbing drain vent or plumbing air vent) shall be 1 size over code overall
 
bulletDWV soil pipe shall not be trapped exterior to a home
 
bulletUnless otherwise expressly determined and defined by a local authority having jurisdiction, a radon mitigation system
bulletShall have intakes shall be of smooth, Schedule 40 PVC sleeves through interior beams and stem walls on about 10 linear feet centers overall, whereby the sleeves are wrapped in a specific geotextile fabric at each end and are set at midline to the gas-permeable layer. See Radon Plan hereunder for further in regard to radon mitigation intake.
bulletShall be of smooth Schedule 40 PVC overall
bulletShall metric rise and run in not less than exact accord with home DWV code
bulletShall exhaust, pipe terminals spaced to code, only to open atmosphere and not to attic or other enclosed or enclosable space
 
bulletA plumbing drain or air vent – intake or exhaust – of any kind shall neither exit from a home exterior nor terminate within 10 linear feet of
bullet A soffit vent
bullet An operable window
bullet A door
bullet An operable skylight
bullet A deck
bullet A balcony
bullet A walkway or pathway
bullet A seating area
bullet The horizontal foot print of an exterior staircase
 
bulletA properly sized plumbing water heater expansion tank shall be applied on the cold water supply to a hot water tank, between water pressure regulator and the hot water tank
 
bulletAir hammer arrestor, water hammer arrestor, steam hammer arrestor
bulletNo riser as water hammer arrester (a/k/a 'air hammer; also, as applied, a steam hammer arrester; all a/k/a generically as a hydropneumatic valve) shall be installed
bulletIn-line, sealed air or water or steam hammer arrester(s) shall be installed following a professional's hydropneumatic tank sizing

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