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Pae 4 <br />James rAlleged there could be a problem in sealing the site and <br />creating a potential bomb with methane gas sources. <br />- <br />generation mu- - •- -. during the design <br />facilitiesan in the operations of the sanitary landfill. It is the <br />responsibility of the County to provide suitable control <br />to prevent <br />Gas monitoring devices will be installed and a continuous <br />monitoring program will be maintained at the landfill. <br />R. James S. DeMartini (cont) . <br />Alleged that the Hammond property <br />drainage passes through the Hillside Farms; the increased <br />drainage will cause damage to crops and could cary trash and <br />refuse onto the Hillside property from the landfill. When <br />they are burying waste, it would be exposed to weather and <br />it could be carried off in the surface drainage. <br />property received 0.9l.of an inch of rain in 20 minutes. <br />He asked for an explanation of how the rainwater can be <br />contained on the property. Even in a dry year there has <br />been an almost constant stream of water off the Hammond <br />property t• the Calaveras River and there is no way you can <br />stormdam up the water and keep it from flowing to the Hillside <br />property. He statedthere is an almost impossible'drainage <br />problem. Allogdd.that if water goes below the 2' clay there <br />will be leachate and Hillside would be receiving a stream of <br />tainted water. A .9 of an inch of rain would render the property <br />almost like pavement and will get into one of those openings and <br />would carry with it tainted water to the other properties. <br />Staff - As a high area relative to the adjacent terrain, the <br />site will not experience flooding and will not be inundated <br />from storm drainage runoff. The staff drainage study has <br />considered the runoff from a storm having a predicted frequency <br />of once in 100 years. The design has determined 10 drainage <br />areas as they exist today on the subject property. These areas <br />have been retained in the design to continue to discharge the <br />• proportionately • . same <br />existingwatercourses <br />therebyand will not alter, decrease or increase the existing <br />drainage problems of the adjacent other properties. <br />Leachates will <br />• be • •.. Rainfall • excavated <br />ar•: <br />will be kept separate and not allowed to form leachates by <br />sloping the bottoms of the excavation to provide for the <br />percolation of - away fromdeposited • • •wastes. <br />approxi- <br />mately above e groundwater ta• . be <br />verified • .: developing : water well <br />as <br />required <br />