The Ohio State University Extension will sponsor the Ohio Water Quality and Waste Management Conference April 11-12 at Woodlands in Cleves. OHIO Conference on high-strength wastewater Finally, they cover the dispersal mound with straw or other insulating material. Workers also insulate at least the upper portions of tanks with foam board or spray foam (the latter doesn't leave gaps and also will insulate riser lids). Then they install a length of Schedule 40 4-inch pipe (less prone to bending) from the tank to the undisturbed soil, and use a reducer adapter to attach the 2-inch supply line. To avoid the situation, installers tamp down the backfill, especially beneath the pipe outlet. This portion of piping can sag as the ground settles, allowing ice to accumulate in the dip when the pump shuts off and effluent drains back to the tank. Louis County installers have adopted best management practices to help keep water from freezing in the 2-inch pressure pipe just after it leaves the pump tank. Minnesota Pollution Control Agency staffer Barb McCarthy reports that St. Get Onsite Systems articles, news and videos right in your inbox! Sign up now.
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