Section 602.255  Storage Construction Applications

The following information must be submitted on plans for the construction of storage facilities:

a)         storage capacity;

b)         plan and profile views showing the location, elevation, piping, access hatches, vents, overflows, safety appurtenances and sample taps;

c)         for below ground or partially below ground storage tanks, locations of the sources of pollution listed in 35 Ill. Adm. Code 604.150(a) within a 400-foot radius of the storage structure;

d)         security provisions;

e)         baffling arrangement, if applicable;

f)         for sites subject to flooding, the maximum flood level based upon the highest flood level specified in the best available information, such as the flood of record, the 100-year flood projection or the 500-year flood projection;

g)         for hydropneumatic tanks, the bypass piping, access manhole, drain, sight glass, pressure gauge, pressure relief valve, air compressor and housing;

h)         mixing systems, if applicable; and

i)          the ability to drain a storage tank without causing the pressure in the distribution system to drop below 20 psi.

(Source:  Amended at 43 Ill. Reg. 8036, effective July 26, 2019)