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Debris / Grease
Debris / Grease debris can build up in a side sewer if there are structural defects or obstructions in the pipe (such as sags, roots or offset joints) that obstruct the flow of the sewer and if inappropriate items are flushed or poured down the drains. Or, if pipes are constructed at slopes less than the recommended ¼-inch drop per foot of pipe, the liquids won't be moving fast enough to carry away the solids in the pipe. If debris build up is severe enough, it can eventually fill a pipe and cause backups or slow-draining sewers. Examples of items that do not degrade like toilet paper and should not be flushed down a drain (even though they may be advertised as flushable) include baby wipes, disinfectant wipes, paper towels, egg shells, coffee grounds, dental floss, toilet bowl scrub pads, feminine hygiene products and grease. Even very hot grease cools quickly once it reaches an underground pipe and sticks to the walls of the sewer. Over time, grease can cause a sewer to either drain very slowly or cause a complete blockage of the side sewer. Grease is one of the more common causes of backups and slow-draining side sewers.
Preventive measures list:
»Replace old pipes before problems occur
»Request camera inspection of main sewerline when purchasing property.
»Scheduling regular pipe inspections and cleaning
Methods to Eliminate Defects in Sewers
Pipe Bursting: Cured In Place Pipe (CIPP) lining:
Open Cut Construction Spot Repairs High Pressure Jetting Snaking