Section 27-916
§ 27-916 General. When alterations are made requiring the addition of
two or more plumbing fixtures in an existing building, or when a
building is remodeled for an extension in size or change in use in which
plumbing, drainage, or gas piping work is involved, all the new work
shall be made to conform to all the applicable sanitary requirements of
this code and the affected portions of the system made adequate for the
added load.
Section 27-917
§ 27-917 Existing soil and vent stacks. (a) When a new building is
erected higher than an existing building, no operable windows or other
wall openings shall be located closer than ten feet to an existing stack
vent or vent stack on the lower building. Wherever necessary, the owner
of the new building shall at his or her own expense and with the
approval of the adjoining owner, offset the stack vent or vent stack to
a distance ten feet or more from such windows or wall opening, or shall
extend such stack vents or vent stacks to a height of at least three
feet above the topmost opening.
(b) When the existing adjoining building is higher than the new
building, all new soil, waste, or vent stacks of the new building shall
be located at least ten feet from the common lot line, or shall be
carried to a level above the higher existing roof, adequately supported
and with the consent of the owners of both the new and existing
structures.
Section 27-918
§ 27-918 Existing gas meter rooms. Existing gas meter rooms shall
comply with the provisions of section P-115.5(c) of the reference
standard RS-16 no later than December first, nineteen hundred
seventy-two.