A. A liquefaction report plus mitigation measures prepared by a Registered Civil Engineer shall be required by the Director of Community and Economic Development for new construction or structural modification of more than twenty-five percent (25%) of the building area for the buildings or structures listed below which fall within the high liquefaction susceptibility areas as indicated on the Map:
1. Essential facilities, as defined in Section Table 1604.4 of the California Building code, including but not limited to hospitals and other emergency medical facilities, fire and police stations, and government disaster operation and communication centers.
2. Buildings where the primary occupancy is for assembly use for more than fifty (50) persons in one room.
3. Buildings over two stories in height.
4. Buildings with the following occupancies, as listed in the California Building Code:
a. Group A, (Assembly) Divisions 1, 2 and 2.1;
b. Group E, (Educational) Division 1;
c. Group H, (High Hazard) Divisions 1 and 2; and
d. Group I, (Institutional) Divisions 1 and 2.
5. Buildings with an occupant load of more than 300, as determined by Table 1004.1.2 of the California Building Code.
6. Underground tanks of more than 5,000 gallons, for storage of toxic, hazardous or flammable materials.
7. Tanks with a height of more than 35 feet.
8. Towers with a height more than 35 feet.
(Ord. MC-1525, 01-15-20; Ord. MC-1027, 9-09-98; Ord. MC-676, 9-19-89)