This sump pump is properly sealed with a mechanically fastened and gasketed lid. If the sump is installed in aĬrawlspace with a dirt floor covered by a polyethylene vapor barrier, check that the polyethylene covers the ground around the sump pump and that it's taped to theįigure 2. Installed in a concrete slab, there should be caulk around the outside edge of the vault where Observation of conditions in the sump pit are recommended. The cover should be mechanically fastened in place with screws or other means that will maintain tight contactīetween the lid, the gasket, and the rim of the crock.Penetrations for electrical wiring, water ejection pipes, or radon vent pipes. The sump pump lid should have built-in air-sealing grommets around all Material and designed for airtight sealing with a built-in gasket. Sump covers should be made of durable plastic or other rigid The sump pump model should have a tight-fitting cover that seals the entire surface of theĬrock or vault.This will allow testing of the pump to ensure that it's operating properly The pump should be installed after the home's electric meter has been Pump should be installed according to the manufacturer's specifications, making sure the float is unobstructed. ENERGY STAR Certified Homes, Version 3.0, Revision 08, requires that the sump lid be mechanically attached and the sump be fitted with a full gasket seal. The 2009, 2012 and 2015 IRC require that sump pumps have a gas-tight, removable cover. Pump can allow moisture, soil gases, and radon to enter the home. Home, radon can accumulate inside the home at potentially toxic levels. In high-radon areas, if soil gases are allowed to enter the Naturally occurring radioactive, carcinogenic gas found in varying levels in The basement and crawlspace, and then mix with the air inside the home. Improperly sealed sump pumps can also allow radon and other soil gases to enter The moisture level of wood framing, inviting fungal decay and wood-eating ThisĬan promote mold growth, which is a health concern, and can increase Raising the relative humidity inside the home, basement, and crawlspace. Pit is open or has a loose-fitting lid, this water can evaporate into the air, They can create additional water management issues, as well as indoor air While sump pumps are veryĮffective in removing water, if they are not covered and installed properly, Sump pit should be covered with a gas-tight lid. If there are future changes in groundwater levels, Retrofit or new construction, a sump pit is sometimes installed in the basementįloor slab as a precaution. Even if the home inspector observes no signs of water intrusion in The water and sends it to the stormwater, sewer, dry well, or other approved Installed along the interior footing that drains to a sump pump, which collects Not feasible to construct an exterior drainage system, a drainpipe can be When renovating a house that has evidence of water issues, if it is Home inspectors must check for these components-as well as theirįunctionality-to ensure that there is no excess water that could damage the Proper site grading, the installation of gutters and downspouts, and the installation of an exterior footing drainpipe that drains to daylight, a dry well or a storm Home, the best way to protect the foundation from moisture issues is with Pumps should be maintained and equipped with all their necessary components in order to ensure their reliability. The sump is generally a small pit (also called a crock or vault) that extends through the slab and into the ground below to provide a drainage place for excess water. Accumulated water can cause interior damage and encourage the growth of mold, mildew and fungus. Water management strategies that help remove excess water from the foundation often include the installation of a reservoir, called a sump, in the basement or crawlspace of the home.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |