(a) Concrete chambers and drywells proposed to be located under driveways and parking areas shall be:
- (1) Certified by the manufacturer or distributor, to withstand the anticipated load; and
- (2) Installed as designed.
- (b) A stone-and-pipe EDA proposed to be located under driveways or parking areas having an AASHTO load rating of greater than HS20 shall be designed by a P.E.
- (c) If (b), above, does not apply, stone-and-pipe systems proposed to be located under residential driveways or parking areas shall be designed by a permitted designer and shall meet applicable wheel load requirements within the area of the EDA.
- (d) Other types of effluent conduits shall not be used under driveways and parking areas unless the most current version of the manufacturer’s design manual that has been approved by the department in accordance with Env-Wq 1024 allows such use.
Source. (See Revision Notes #1 and #2 at chapter heading for Env-Wq 1000) #11184, eff 10-1-16; ss by #14486, eff 2-1-26, EXPIRES: 2-1-36