Specifications include, but are not limited to:BLACK IRON PIPE: If used as gas, all fittings will be made of malleable iron. All pipe will be supported no more than five (5) foot on center with approved anchors and straps. All gas piping in living area will be concealed in wall cavity. Any exposed gas piping in the living area will require previous approval of Plumbing and/ or Housing Inspector. All penetrations at finished interior and exterior walls will be sealed with a caulking and covered with a chrome-plated escutcheon. All Penetrations at masonry walls will be sealed with mortar to match existing. 15062- COPPER PIPE: Copper pipe will be in accordance with ASTM B-88 standards and will be used in all new water services and water distribution systems per ASTM B-42 standards. All copper used above grade will be type ‘M’ and below grade, type ‘L’. Any copper lines located below concrete slabs or inaccessible locations will be type ‘L’ or thicker and be of one (1) piece without joints to a point where the pipe is accessible. In the event that it becomes necessary to join lengths of type L pipe beneath a concrete slab, joints will be brazed with a minimum 5% silver alloy brazing rod. All copper pipes passing through concrete slab foundations will be sleeved in appropriate color coded sleeve material. 15065- PIPING SUPPORTS & HANGERS: Install all supports and hangers as needed to secure pipes in place as to prevent vibrations and loose pipes, to maintain grading by proper adjustment, provide for expansion and contraction of pipes, and to make a neat and professional appearance.
