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CONTAIN THE SPILL <br />Upon arriving at the spill location, the on -call duty water employee shall call the on -call <br />Supervisor/Crew Leader a second time and report the spill status. He shall then; <br />• Take immediate action to contain the spill to prevent sewage from entering storm <br />drains, channels or other critical infrastructure. <br />• Establish perimeters and control zones with cones, barricades, vehicles or terrain. <br />(KEEP OUT ZONE) at all times. <br />• Collect representative photos of the spill location and flow rates. <br />• Notify the appropriate authorities. Refer to Appendix B, Sanitary Sewer Overflow <br />Reporting Guidelines. <br />Small spills can often be contained with sand berms. The additional personnel called out <br />to assist the on -call duty water employee with the spill, shall make sure to have shovels <br />and sand available on the bobtail truck used to respond to spills. <br />Medium spills may be contained with large sand berms, in strategic locations. Medium <br />size spills may also require vacuuming and hauling the sewage or pumping the sewage <br />to a sewer manhole for disposal, to prevent sewage from flowing over dikes. Use plastic <br />sheeting to block storm drain inlets and other critical locations. Call the on -call <br />Supervisor/Crew Leader for direction and support. <br />Large spills (spills more than a few gallons per minute that are likely to reach a storm <br />drain inlet) in the public right of way may require various actions for containment, as <br />follows: <br />• Build large sand berms to contain sewage. <br />• Block storm drains at inlets or at manholes at critical line intersection locations. <br />• Block sewage flow in channels with berms. <br />• Call contractor for vacuum trucks to remove sewage off site and for disposal. <br />(At the discretion of the water maintenance supervisor and/or crew leader on - <br />call). <br />o Houston Harris, PCS at (909) 721-1756 <br />• Use a sewer pump and hoses to pump to a sewer manhole. <br />• Contact OCSD maintenance personnel for on -site support with vacuum trucks and <br />other equipment as needed, if contractors are not available. <br />• Contain the sewage in a low area. <br />• Estimate the rate of overflow. <br />• Call the on -call Supervisor/Crew Leader for direction and support. <br />REVISION 2.0 (4/23) 8 <br />