Perimeter drain definition

Perimeter drain means a subsurface drain installed around a soil absorption component that is designed to enhance drainage of the area. A perimeter drain does not uniformly lower the seasonal water table beneath a soil absorption area to increase the vertical separation distance.
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Perimeter drain means a perimeter drain that is required in connection with the lawful installation, maintenance and/or use of an Approved Septic System.
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Examples of Perimeter drain in a sentence

  • The proposed wording may be setting the threshold for focusing inquiry and analytical procedures at too high a level which could lead to an opinion in the practitioner’s report which is not supported by appropriate evidence.

  • A random effects model achieves this because the random effects ensure that P(yi, j yi, j 1; θ, xi) = P(yij ; θ, xi).

  • Perimeter drain - properly sized to 8” to 12” diameter, of corrugated perforated plastic pipe, ADS 120 or equal.

  • Perimeter drain: no less than 100mm diameter and bedded onto gravel.

  • Perimeter drain pipe shall consist of four-inch or six-inch diameter perforated PVC drain pipe as shown on the drawings and normally used for underdrains.

  • Perimeter drain tiles are required where floors or crawl spaces exist below finished grade.

  • Perimeter drain gulleys and corrosion-proof grease eliminators should be provided on kitchen hoods (see BESA DW 172 – ‘Specification for kitchen ventilation’).

  • Install Qwik Drain Perimeter drain lines according to specification.

  • Item 12 provided as follows: Perimeter drain tile is designed at top of footing and sets the level where water will be taken off of gravel fill.

  • Vehicle Storag e yard❖ Sea water firefighting underground piping and hydrants (2).❖ Lighting High Mast and associated conduits and cabling.❖ Underground electrical distribution to feed the two existing Hall Administration Building.❖ Perimeter drain connected to existing surface channels.❖ Parking surface structure with granular top surface.❖ Cast in place perimeter curbs as required.

Related to Perimeter drain

  • Perimeter means the fenced or walled area of the institution that restrains the movement of the inmates.

  • Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • Water Surface Elevation (WSE means the height, in relation to mean sea level, of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.

  • Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.

  • Basement means any area of the building having its floor subgrade (below ground level) on all sides.

  • Building Drain means that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer, beginning five (5) feet (1.5 meters) outside the inner face of the building wall.

  • Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.

  • PAD means a Preauthorized Debit.

  • Area of shallow flooding means a designated AO or AH Zone on a community's Flood Insurance Rate Map (FIRM) with one percent or greater annual chance of flooding to an average depth of one to three feet where a clearly defined channel does not exist, where the path of flooding is unpredictable and indeterminate; and where velocity flow may be evident. Such flooding is characterized by ponding or sheet flow.

  • Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters

  • Public building and "public work" means a public building of, and a public work of, a governmental entity (the United States; the District of Columbia; commonwealths, territories, and minor outlying islands of the United States; State and local governments; and multi-State, regional, or interstate entities which have governmental functions). These buildings and works may include, without limitation, bridges, dams, plants, highways, parkways, streets, subways, tunnels, sewers, mains, power lines, pumping stations, heavy generators, railways, airports, terminals, docks, piers, wharves, ways, lighthouses, buoys, jetties, breakwaters, levees, and canals, and the construction, alteration, maintenance, or repair of such buildings and works.

  • Surface water means all water which is open to the atmosphere and subject to surface runoff.

  • Boundary means any lateral or street boundary of a site;

  • Built-Up Area and/or “Covered Area” in relation to a Flat shall mean the floor area of that Flat including the area of balconies and terraces, if any attached thereto, and also the thickness of the walls (external or internal) and the columns and pillars therein Provided That if any wall, column or pillar be common between two Flats, then one-half of the area under such wall column or pillar shall be included in the built-up area of each such Flat.

  • ILUA Area means the geographical area in relation to which the Framework ILUA applies, as specified in Schedule 2 of the Framework ILUA;

  • Sanitary Sewer Overflow or “SSO” means any overflow, spill, release, discharge or diversion of untreated or partially treated wastewater from the sanitary sewer system. SSOs include: