255.375 Service lines: plastic

(a) Each plastic service outside a building must be installed below ground level, except that:

(1) it may be installed in accordance with section 255.321(l) of this Part; and

(2) it may terminate above ground level and outside the building if:

(i) the aboveground part of the plastic service line is protected against deterioration and external damage.

(ii) the plastic service line is not used to support external loads; and

(iii) the riser portion of the service line meets the design requirements of section 255.204 of this Part.

(b) Each plastic service line inside a building must be protected against external damage and must not be exposed.