Culvert headwall definition

Culvert headwall means stone structures that protect culverts from damage during grading, plowing and ditch cleaning, increase hydraulic efficiency, and prevent erosion around the culvert inlet and outlet. These structures may also be referred to as “headers” or “end treatments.” These structures may be installed using flat stone, rock riprap, or ditch stone around the culvert ends.
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Examples of Culvert headwall in a sentence

  • Culvert, headwall, wingwall, and endwall materials and specifications shall meet MassDOT Standard Specifications Sections 230 and M4, and as shown on MassDOT Construction and Traffic Standard Details, Drawings 206.40 through 206.70, and 207.1.0 through 207.3.0.B. Stone shall conform to MassDOT , Section 258 and MassDOT Construction and Traffic Standard Details Drawing 206.7.0. Stone size shall be determined by the design storm flow discharging from the pipe.

  • Culvert headwall erosion and/or culvert outlet scour, for both drainage culverts and driveway culverts, maybe included in the new GP if they are identified as significant sources of erosion.

  • The piece of granite came from the granite façade of the new Riverway Culvert headwall.

  • Culvert, headwall, wingwall, and endwall materials and specifications shall meet MassDOT Standard Specifications Sections 230 and M4, and as shown on MassDOT Construction and Traffic Standard Details, Drawings 206.40 through 206.70, and207.1.0 through 207.3.0. 2.3.2.5 Rip Rap/Pipe Ends: A.

  • Culvert headwall or header, where constructed of stone or concrete.

  • While on the tour, we stopped by one of the water lift systems and learned the power needed to lift the water over 300 feet.

  • Culvert, headwall, wingwall, and endwall materials and specifications shall meet MassDOT Standard Specifications Sections 230 and M4, and as shown on MassDOT Construction and Traffic Standard Details, Drawings 206.40 through 206.70, and 207.1.0 through 207.3.0.B. Stone shall conform to MassDOT, Section 258 and MassDOT Construction and Traffic Standard Details Drawing 206.7.0. Stone size shall be determined by the design storm flow discharging from the pipe.

  • In particular ω = dx ∧ dy is reducible, as it is closed and as ιξω = xdy − ydx vanishes on N when contracted with x∂x or y∂y.As described in the preceding section, the reduction is the quotient{f | vf ∈ XN (M ), Lξ f ∈ IN , [ξ, vf ] ∈ Xg(M ) + IX(N )}.{f | f ∈ IN , vf ∈ Xg(M ) + IX(N )} We first consider the denominator.

  • Response: Culvert headwall and wingwalls are dimensioned on the plans.

  • Riparian vegetation management, partial demolition of the Lacton Farm Culvert headwall and the proposed new drainage system were identified as having the potential to impact on WFD compliance, but assessment has shown they would not affect the status of any of the waterbodies within the study area.

Related to Culvert headwall

  • Culvert - means a structure other than a bridge which is designated as a culvert in the contract documents and which is designed to provide an opening under a roadway, railway or side entrance for the passage of surface water, or pedestrians.

  • Radiation head means the structure from which the useful beam emerges.

  • Plumber means a person who has passed a qualifying Trade Test in Plumbing or has been issued with a certificate of proficiency in terms of the Manpower Training Act, 1981 (Act No 56 of 1981) or such other qualification as may be required under national legislation;

  • Water heater means an appliance for supplying hot water for purposes other than space heating or pool heating.

  • Greywater means all liquid wastes from showers, baths, sinks, kitchens and domestic washing facilities, but does not include toilet wastes;

  • Department Head means either the head of a department responsible for administering a particular contract for the county or the designee of same.

  • Clear coating means a transparent coating designed to provide the final gloss and resistance properties of the coating system;

  • Flowgate means a representative modeling of facilities or groups of facilities that may act as potential constraint points.

  • Graywater means untreated wastewater that has not been contaminated by any toilet discharge, has not been affected by infectious, contaminated, or unhealthy bodily wastes, and does not present a threat from contamination by unhealthful processing, manufacturing, or operating wastes. "Graywater" includes, but is not limited to, wastewater from bathtubs, showers, bathroom washbasins, clothes washing machines, and laundry tubs, but does not include wastewater from kitchen sinks or dishwashers. Health and Safety Code Section 17922.12.

  • Standard Methods for the Examination of Water and Wastewater means the most recent edition of Standard Methods for the Examination of Water and Wastewater published jointly by the American Public Health Association, the American Waterworks Association and the Water Environment Federation;

  • Dewatering means the removal of water for construction activity. It can be a discharge of appropriated surface or groundwater to dry and/or solidify a construction site. It may require Minnesota Department of Natural Resources permits to be appropriated and if contaminated may require other MPCA permits to be discharged.

  • SITC means the Standard International Trade Classification, Revision 3 (SITC, Rev. 3), published by the United Nations in Statistical Papers, Series M, No. 34/Rev. 3 (1986);

  • Virginia Stormwater Management Act means Article 2.3 (§ 62.1-44.15:24 et seq.) of Chapter 3.1 of Title 62.1 of the Code of Virginia.

  • Drywell means an unlined or partially lined underground pit (regardless of geometry) into which drainage from roofs, basement floors, water softeners or other non-wastewater sources is discharged and from which the liquid seeps into the surrounding soil.

  • Agency head or "Procurement Officer" means the person who signs this contract on behalf of the Requesting Agency and includes a successor or authorized representative.

  • clear height ’, in relation to a sign, means the vertical distance between the lowest edge of the sign and the natural level of the surrounding ground, footway or roadway immediately below the sign;

  • Beacon means a highway traffic signal with one or more signal sections that operate in a flashing mode. (ORC 4511.01(KKK))

  • Crosswalk means that part of a roadway at an intersection included within the connections of the

  • district heating or ‘district cooling’ means the distribution of thermal energy in the form of steam, hot water or chilled liquids, from a central source of production through a network to multiple buildings or sites, for the use of space or process heating or cooling;

  • Non-transient non-community water system means a public water system that is not a community water system and that regularly serves at least 25 of the same persons over 6 months per year.

  • atrium means a large open space extending through several floors in a building that is open to the ceiling;

  • garden suite means a one-unit detached, temporary residential structure containing bathroom and kitchen facilities that is ancillary to an existing residential structure and that is designed to be portable;

  • We/Us/Our means TATA AIG General Insurance Company Limited.

  • the Skipton Fund means the ex-gratia payment scheme administered by the Skipton Fund Limited, incorporated on 25th March 2004, for the benefit of certain persons suffering from hepatitis C and other persons eligible for payment in accordance with the scheme’s provisions;

  • Stormwater management BMP means an excavation or embankment and related areas designed to retain stormwater runoff. A stormwater management BMP may either be normally dry (that is, a detention basin or infiltration system), retain water in a permanent pool (a retention basin), or be planted mainly with wetland vegetation (most constructed stormwater wetlands).

  • Virginia Stormwater Management Program or “VSMP” means a program approved by the State Board after September 13, 2011, that has been established by a locality to manage the quality and quantity of runoff resulting from land-disturbing activities and shall include such items as local ordinances, rules, permit requirements, annual standards and specifications, policies and guidelines, technical materials, and requirements for plan review, inspection, enforcement, where authorized in this article, and evaluation consistent with the requirements of this article and associated regulations.