Accumulated sediment definition

Accumulated sediment means settleable solid material contained in storm water runoff that is collected, retained and subsequently removed from storm water management structures.

Examples of Accumulated sediment in a sentence

  • Accumulated sediment shall be removed once identified and after each storm event.

  • Accumulated sediment shall be removed once it reaches 1/4 of the height of the filter berm.

  • Accumulated sediment shall be removed from the sediment storage zone once it exceeds 50 percent of the minimum required sediment storage design capacity and prior to the conversion to the post-construction practice unless suitable storage is demonstrated based upon over-design.

  • Accumulated sediment and other materials shall not be deposited within 50-feet of any pipeline discharging into the pond or outlet from the pond.

  • Accumulated sediment shall be removed once it reaches 1/2 of the height of the filter sock when used for perimeter protection and 1/3 the height when used for inlet protection.

  • Accumulated sediment may be used under the control of another program in accordance with this subsection.

  • Accumulated sediment at the bottom of the slope is often the only indicator.

  • Accumulated sediment shall be removed when 5% to 10% of the storage volume is lost for the 2-year, 24-hour design storm.

  • Accumulated sediment will be dredged to improve storage capacity and pollutant removal.

  • Accumulated sediment must be removed from behind the check dams when it reaches one half the dam height.

Related to Accumulated sediment

  • Accumulation Unit is the unit of measure we use before the Income Date to keep track of the value of each Variable Sub-Account.

  • Sediment means solid material, mineral or organic, that is in suspension, is being transported, or has been moved from its site of origin by air, water or gravity as a product of erosion.

  • ACCUMULATION UNIT VALUE The Accumulation Unit Value for each Sub-Account was set initially at $10. Subsequent Accumulation Unit Values for each Sub-Account are determined by multiplying the Accumulation Unit Value for the immediately preceding Valuation Period by the Net Investment Factor for the Sub-Account for the current period.

  • Plasma arc incinerator means any enclosed device using a high intensity electrical discharge or arc as a source of heat followed by an afterburner using controlled flame combustion and which is not listed as an industrial furnace.

  • Navigable waters ’ means the waters of the United States, including the territorial sea;

  • impermeable surface means a surface or pavement constructed and maintained to a standard sufficient to prevent the transmission of liquids beyond the pavement surface, and should be read in conjunction with the term “sealed drainage system” (below).

  • Generation Unit means a facility that converts a fuel or an energy resource into electrical energy.

  • Accumulation Period has the meaning set forth in the Indenture Supplement.

  • High global warming potential hydrofluorocarbons means any hydrofluorocarbons in a particular end use for which EPA’s Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential. The SNAP list of alternatives is found at 40 CFR Part 82 subpart G with supplemental tables of alternatives available at (http://www.epa.gov/snap/).

  • Generator Planned Outage means the scheduled removal from service, in whole or in part, of a generating unit for inspection, maintenance or repair with the approval of the Office of the Interconnection in accordance with the PJM Manuals.

  • Accumulated contributions means the sum of all

  • Underground mining means all methods of mining other than surface mining.

  • Vapor balance system means a combination of pipes or hoses which create a closed system between the vapor spaces of an unloading tank and a receiving tank such that vapors displaced from the receiving tank are transferred to the tank being unloaded.

  • Accumulation Shortfall shall initially mean zero and shall thereafter mean, with respect to any Monthly Period during the Controlled Accumulation Period, the excess, if any, of the Controlled Deposit Amount for the previous Monthly Period over the amount deposited into the Principal Funding Account pursuant to subsection 4.9(c)(i) with respect to the Certificates for the previous Monthly Period.

  • Stormwater management planning area means the geographic area for which a stormwater management planning agency is authorized to prepare stormwater management plans, or a specific portion of that area identified in a stormwater management plan prepared by that agency.

  • Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

  • Accumulation shall not exceed an amount equal to twice the annualized current vacation earnings rate of the employee. This is the employee’s “Maximum Balance.”

  • Normal form radioactive material means radioactive material that has not been demonstrated to qualify as special form radioactive material.

  • Contaminated soil means soil that meets all of the following criteria:

  • Water well means an excavation that is drilled, cored, bored, augered, washed, driven, dug, jetted, or otherwise constructed for the purpose of exploring for groundwater, monitoring groundwater, utilizing the geothermal properties of the ground, or extracting water from or injecting water into the aquifer. “Water well” does not include an open ditch or drain tiles or an excavation made for obtaining or prospecting for oil, natural gas, minerals, or products mined or quarried.

  • Vapor tight means equipment that allows no loss of vapors. Compliance with vapor-tight requirements can be determined by checking to ensure that the concentration at a potential leak source is not equal to or greater than 100 percent of the lower explosive limit (LEL) when measured with a combustible gas detector, calibrated with propane, at a distance of 1 inch (2.54 cm) from the source.

  • Subsurface tracer study means the release of a substance tagged with radioactive material for the purpose of tracing the movement or position of the tagged substance in the well-bore or adjacent formation.

  • Accumulation Period Amount means $41,666,666.67; provided, however, if the Accumulation Period Length is determined to be less than twelve (12) months pursuant to Section 3.10(b)(ii) of the Indenture Supplement, the Accumulation Period Amount shall be the amount specified in the definition of “Accumulation Period Amount” in the Indenture Supplement.

  • Ambient air means that portion of the atmosphere, external to buildings, to which the general public has access.

  • Market Participant Energy Injection means transactions in the Day-ahead Energy Market and Real-time Energy Market, including but not limited to Day-ahead generation schedules, real- time generation output, Increment Offers, internal bilateral transactions and import transactions, as further described in the PJM Manuals.

  • medium voltage means the set of nominal voltage levels that lie above low voltage and below high voltage in the range of 1 kV < Un 44 kV. [SANS 1019]