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LEA Advisory 20 Attachment-Inspection Guidance for SW Landfills Page 42 of 52 the tire stockpile is 25°. Therefore, the tire pile height is calculated to be: h= (16.5' x tangent 25°) + 5.5' = (16.5x0.466) + 5.5' = 13.2' When the height of the tire pile is determined, the area and volume of each waste storage unit can then be calculated. The distance from the waste tire units to the property lines and the height of the piles within 20 feet of the property lines should be measured. If any of the measurements or calculations in subsections (a) or(b) of this section do not conform to the regulations, the inspector should determine if the local fire authority has given written approval for activities which do not conform to the regulations. If the local fire authority has issued written requirements other than the regulations, the stockpiles must be evaluated for compliance with those requirements. If, during the pre-inspection contact with the local fire authority, that agency's staff state that they have ordered the operator to implement new or amended fire protection requirements other than those required in subsections (a) and (b) of this section, the inspector should ask the operator at the facility for a copy of the new requirements. Board notification of the required changes should be determined. The Board should be contacted after the inspection to verify any changes as well as to confirm concurrence with those changes. Note any ponding of storm water in low spots in and around waste tires piles as well as obvious erosion channels conducting storm water toward a waste tire pile. When contacting the local fire authority prior to inspecting the facility, the fire protection safety officer should be asked if the facility grade poses a problem for fire fighting personnel and equipment. If so, the inspector should determine if any mitigation measures for overcoming problems associated with the facility grade have been approved by the local fire authority. If the site is already fenced to meet the security requirements of section 17352, the requirements of subsection (f)(1) of this standard are probably being met. If the site is unfenced and there is a possibility that it lies in a 100-year floodplain, the county flood control agency or planning department should be contacted. This can be determined by reviewing the particular Federal Emergency Management Act(FEMA) flood map at the local flood control agency or planning department office. FEMA flood maps are also available at the Sacramento branch library of the California Division of Mines and Geology. If the facility is unpermitted, the local fire authority should be contacted to determine if the physical features of the site would interfere with fire fighting equipment or personnel. If the facility is located near a body of water, such as a lake, river, pond or creek, the inspector should identify drainage structures around the pile(s) that would channel pyrolytic oils resulting from a tire fire into a collection basin rather than the body of water. Containment structures may need to be approved by the RWQCB, local fire authority or local flood control agency. These agencies should be http://www.ciwmb.ca.gov/pe/advisory/20/attach2O/20attch l.htm 8/11/98