Lincoln |
Code of Ordinances |
Title 15. BUILDINGS AND CONSTRUCTION |
Chapter 15.28. LANDSCAPING REGULATIONS |
§ 15.28.050. Definitions.
The words used in this chapter shall have the meaning set forth below:
"Anti-drain valve" or "check valve" means a valve located under a sprinkler head to hold water in the system so it minimizes drainage from the lower elevation sprinkler heads.
"Automatic controller" means a mechanical or solid state timer capable of operating valve stations to set the days and length of time of a water application.
"Backflow prevention device" means a safety device used to prevent pollution or contamination of the water supply due to the reverse flow of water from the irrigation system.
"Emitter" means a drip irrigation fitting that delivers water slowly from the system to the soil.
"Establishment period" means the period at which the plant has established itself where the plant can live without supplemental watering, usually within one or two years of planting.
"Hydrozone" means a portion of the landscaped area having plants with similar water needs that are served by a valve or set of valves with the same schedule. A hydrozone may be irrigated or nonirrigated. For example, a naturalized area planted with native vegetation that will not need supplemental irrigation once established is a nonirrigated hydrozone.
"Irrigated landscaping" means an irrigated surface layer of earth containing landscaping composed of groundcover, shrubs, trees and other plants. Areas dedicated to edible plants, such as orchards or vegetable gardens are not included.
"Mined-land reclamation projects" means any surface mining operation with reclamation plan approved in accordance with the Surface Mining and Reclamation Act of 1975.
"Moisture sensor" connects to the automatic controller, to signal irrigation only when the sensor detects low moisture in the plant root zone.
"Mulch" means any organic material such as leaves, bark or straw left loose and applied to the soil surface for the beneficial purpose of reducing evaporation and erosion.
"Runoff" means water which is not absorbed by the soil or landscape to which it is applied and flows from the area and across property lines or into the public right-of-way.
"Single-family development" means a dwelling unit consisting of a building or mobile home on a permanent foundation with provisions for sleeping, cooking and sanitation, and with permanent connections to utilities, providing living space for one family.
"Station" means a planted area served by one valve or by a set of valves simultaneously.
"Turf" means a surface layer of earth containing grass with its roots. Annual bluegrass, Kentucky bluegrass, Perennial ryegrass, Red fescue, and Tall fescue are cool-season grasses. Bermuda grass, Kikuyu grass, Seashore paspalum, St. Augustine grass, Zoysia grass and Buffalo grass are warm-season grasses.
"Valve" means a device used to control the flow of water in the irrigation system.
(Ord. 586B §2(part), 1992)