closed drainage


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closed drainage

[¦klōzd ′drā·nij]
(hydrology)
Drainage in which the surface flow of water collects in sinks or lakes having no surface outlet. Also known as blind drainage.
References in periodicals archive ?
A comparative study of treatment of chronic subdural hematoma-burr hole drainage versus continuous closed drainage.
After a catheter is inserted, uncompromising maintenance of closed drainage is of the highest priority and can keep the overall risk of CAUTI [is less than] 25% for up to 2 weeks of catheterization (5,6).
Erosion-sedimentation in a closed drainage basin in northwest Indiana.
The following were included in the study: duration of catheter stay, technique of insertion and adoption of closed drainage system, were observed.
800 hectares, an open and closed drainage network with a total length of 166 km, pipeline crossings and manholes, estuaries and spillway funnels, and tree and shrub vegetation were removed.
Tenders are invited for to remove the existing asphalt and concrete roadway and double 72 canal culvert; construct an arch bridge structure with headwalls and wingwalls; and construct a concrete roadway with closed drainage system, guard rail, pedestrian railing, and sidewalk.
The project also included the installation of a closed drainage system with the addition of two retention ponds, intersection improvements including the replacement of five traffic signals, and additional sidewalks along both sides of Route 281.
Some principal quantities: 18,000 m3 rock blasting 2,880 m closed drainage 54 subdrains shall be replaced 34,100 m2 Agb16 (road) 14,000 m2 Agb16 (foot/cycle paths) 1,800 m railings 99 street lights As a part of the project, cable channels shall be execavated for Vesterlskraft, as well as some Water and Sewage alterations for Sortland municipality.
Tenders are invited for The work includes removal and disposal of debris and sediment from culverts and closed drainage systems, including drainage structures and manholes and work zone traffic control (WZTC).
Tenders are invited for Provn Of Retaining Wall At Thalela And Provn Of Closed Drainage System And Retaining Wall At Hq 4 Sect Rr Under Ge I 873 Ews