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Old Lyme officials seek federal relief for backed up sewer project ... Whalen said the sewer system will cost residents of Old Colony Beach Association $2,300 a year, based on a 20-year note at 2% ...
Service line coverage: Service line coverage is an endorsement that covers utility pipes, like water and sewer lines, if they cause damage to your home. This endorsement may be beneficial, as ...
Residents served by Chemung County's two sewer districts are bracing for big rate hikes of 45% or 78%. Here's what's fueling the increase in fees.
The larger line enters from the right and changes direction within the manhole to exit from the top of the photo. A smaller line enters from the bottom of the photo under the access steps. The concrete floor of the manhole has channels to minimize accumulation of solids. Interior of a large sanitary sewer viewed from an access manhole chamber.
Groundwater entering sanitary sewers through defective pipe joints and broken pipes is called infiltration. [4] Pipes may leak because of careless installation; they may also be damaged after installation by differential ground movement, heavy vehicle traffic on roadways above the sewer, careless construction practices in nearby trenches, or degradation of the sewer pipe materials.
Sewer gas can contain methane and hydrogen sulfide, both highly flammable and potentially explosive substances. As such, ignition of the gas is possible with flame or sparks. [7] The methane concentration in open sewers is lower (7 to 15 ppmv) than the closed drains (up to 300 ppmv) in samples collected 2 cm (0.8 in) above the level of sewage. [8]
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