Absorption trench definition

Absorption trench means an excavation in which an absorption line is laid.

Absorption trench means an absorption system consisting of a series of narrow excavated trenches utilizing drain media, chambers, or bundled synthetic aggregate units.

Absorption trench means standard trenches, shallow trenches with capping fill, and chambered trenches constructed to receive and to distribute effluent in such a manner that the effluent is effectively filtered and retained below ground surface.

Examples of Absorption trench in a sentence

• FIGURE 4.5 TABLE 4.1REQUIRED LINEAL FEET OF ABSORPTION TRENCH THAT HAS TWELVE INCHES OF DRAINROCK RECEIVING EFFLUENT BY TRICKLE FLOWa a Absorption trench sizing for low pressure distribution is the same as for gravity flow.Loading rates are based on the long term acceptance rates for loam, clay loam, and well structured clays.b Design flows provide a safety factor to cover those individual homes which produce high flow rates.

• The installation of the following disposal systems is permitted with the approval of Council: Absorption trench or Evapo-Transpiration Absorption (ETA) Beds as per AS/NZS 1547; Sub surface irrigation; and Mound Systems.

• The installation of the following disposal systems is permitted with the approval of Council:• Absorption trench or Evapo-Transpiration Absorption (ETA) Beds as per AS/NZS 1547:2000• Sub surface irrigation• Mound Systems Surface irrigation will be permitted only where site and soil limitations are minor and where the EHP Guideline buffer distances can be achieved.

• Final effluent from Clarifies is directed to the pump chamber with a volume of 12,500 litres via a 150 millimetre diameter sewer; equipped with two duplex submersible effluent pumps with timer and float controls and a high level audiovisual alarm system, with pump cycles set at 1800 L/cycle/tile bed with five cycles in 24 hours; Absorption trench type leaching bed, with four (4) tile beds each comprised of 10 rows @ 30.48m, equalling 304.8 m of 100mm dial tile per ed, with a total tile length of 1,200m.

• The installation of the following disposal systems is permitted with the approval of Council:• Absorption trench or Evapo-Transpiration Absorption (ETA) Beds as per AS/NZS 1547;• Sub surface irrigation; and• Mound Systems.

More Definitions of Absorption trench

Absorption trench means an absorption system that consists of excavations 18 to 36 inches in width where the distribution system is laid for the purpose of distributing pretreated waste effluent into the ground.

Absorption trench means a ditch or a trench installed into soil, permeable saprolite, or diggable bedrock, with vertical sides and a substantially flat bottom.

Absorption trench means a long narrow area which includes a pipe for the distribution of septic tank/wastewater treatment effluent.

Absorption trench means an absorption system that consists of excavations less than or equal to 3 feet in width where the distribution system is laid for distributing pretreated waste effluent into the ground.

Absorption trench means an excavation in the soil being part of a leaching bed in which a distribution pipe will be or is laid and which allows leaching;

Absorption trench means a trench excavated between 18 to 36 inches in width for the purpose of distributing pretreated septic system effluent into the ground.

Absorption trench means a disposal field that is a shallow ditch with vertical sides lined with crushed stone 48” or less in width that releases wastewater into the soil through perforated distribution lines.