Netafim USA Landscape & Turf Division

Subsurface Drip Irrigation Guide - Page 3

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WHERE DRIPPERLINE IS THE BEST CHOICE

The list of applications where dripperline is the best choice is long for two reasons. Netafim dripperline products do the best job of creating an even wetted pattern in the soil because they move the water through the soil, while sprinklers need to throw water to get it where it's going. As we have seen, throwing water through the air is the sprinkler's downfall.

Jump To: Long, Odd-shaped Or Narrow Areas Areas Close To Buildings And At-grade Windows Athletic Fields Auto Dealerships And Other Parking Areas Gardens, High Wind Or Constant Wind Areas Green Roofs High Liability Areas Vandal-prone & Public Properties Hardscapes Reduces Landscape Planting Budget Steep Slopes Locales Where The Cost Of Water Is Very High Recycled Reclaimed Water Or Fertigation Applications Where Spraying Water Is Illegal Water Window Issues Snow-belt Areas Using Salt On Streets And Sidewalks Other Areas


LONG, ODD-SHAPED OR NARROW AREAS:

  • "Border Zones" - Along sidewalks, streets, windows, fences, parking areas and walls
  • Curvilinear design layouts that cannot be properly watered with sprinklers
  • Eliminates the maintenance related to wet roads, sidewalks and other hardscapes
  • Helps save water
  • Reduces tripping hazards
  • Reduces wet surface slipping hazards to pedestrian and vehicle traffic
  • Irrigates areas with less water in long narrow areas where either getting the water is hard, or zoning the area is difficult
  • Allows for a smaller station-count controller, smaller point-of-connection and fewer valves
  • Eliminates overspray
  • Staining and bleaching of hardscapes and landscapes are eliminated

Figure 14 - Before and after pictures of Techline CV Dripperline installed on grass strips along light railway bed.

Figure 14a - Before picture of Techline CV Dripperline installed on grass strips along light railway bed
Figure 14b - After picture of Techline CV Dripperline installed on grass strips along light railway bed
 
Figure 15 - Examples of subsurface Techline Dripperline in narrow strips, medians and odd-shaped public areas.
Figure 15a - Median Figure 15b - Narrow strip Figure 15c - Median
Figure 15b - Narrow areas Figure 15c - Odd shaped area



AREAS CLOSE TO BUILDINGS AND AT-GRADE WINDOWS:

  • Stops windows and facades from getting wet or spotted with water
  • Reduces deterioration and discoloration of building facades
 
Figure 16 - Dripperline installations along buildings, at-grade windows and sidewalks.
Figure 16b - Dripperline installations along building Figure 16a - Dripperline installations along at-grade windows
Figure 16c - Dripperline installations along sidewalks



ATHLETIC FIELDS:

  • Safety - no exposed sprinklers means no slipping or tripping injuries
  • No wet grass
  • On tight-soil fields:
    • Fields can be irrigated and softened prior to play without wetting the surface
    • Helps reduce impact injuries from hard soil surfaces
  • Reduces deterioration and discoloration of building facades
  • Because water window issues are eliminated, time of play increases
  • Soil conditions that remain consistently moist reduce the need for aeration
  • Fields that have low water pressure or supply can now be irrigated
 
Figure 17 - Formal Croquet Court Figure 18 - Professional Championship Tennis Court
Figure 17 - Formal Croquet Court. Figure 18 - Professional Championship Tennis Court.



AUTO DEALERSHIPS AND OTHER PARKING AREAS:

  • Areas that have low water pressure or supply can now be irrigated. No overspray reduces the cost of auto detailing
  • Reduces slipping and tripping hazards
  • Reduces wet surface hazards to pedestrian and vehicle traffic
  • Allows for a small station-count controller and fewer valves because of many similar areas can be tied together
 
Figure 19 - Irrigating narrow strips at auto dealerships.
Figure 19a - Irrigating narrow strips at auto dealerships Figure 19b - Irrigating narrow strips at auto dealership signs
Figure 19c - Irrigating narrow strips at auto dealership parking



GARDENS:

  • Gets water to all areas
  • Plants sensitive to water on petals such as roses are protected
  • Water is applied directly to the root zone
  • Seasonal plant growth interference is eliminated
 
Figure 20 - Irrigating delicate flowers and roses without damaging plants.
Figure 20a - Irrigating delicate flowers without damaging plants Figure 20b - Irrigating delicate roses without damaging plants

Figure 21 - Plantings allowed to grow to maturity without sprinkler interference.
Figure 21a - Plantings along lawn furniture allowed to grow to maturity without sprinkler interference Figure 21b - Plantings allowed to grow to maturity along lawn ornaments without sprinkler interference



HIGH WIND, OR CONSTANT WIND AREAS:

  • Overspray and wasted water are eliminated
  • Water gets to where it is supposed to be
  • Uniform irrigation regardless of wind



GREEN ROOFS:

  • Either intensive or extensive
  • Can be used below grade in media less than an inch
  • Allows for a minimum level of soil and soil mixes (1" to 5")
  • Netafim dripperlines are not affected by the thin soil layer that can lead to a mat that is highly populated with roots
  • Reduces weeds which is a plus on "extensive" roofs that are not designed for public use
Figure 22 - Irrigating small, tight areas in planters where "soil-less" or minimal soils are used.
Figure 22 - Irrigating small, tight areas in planters where "soil-less" or minimal soils are used



HIGH LIABILITY AREAS:

  • Tripping, slipping and other liability issues are significantly reduced
  • Maintenance costs to repair broken sprinkler heads are greatly reduced or eliminated



VANDAL-PRONE & PUBLIC PROPERTIES:

  • "Out of sight, out of mind"
  • Greatly reduces maintenance costs
  • Reduces potential liability caused by unrepaired problems
  • Eliminates phone calls in the middle of the night
  • Allows for a 24 hour-a-day water window

Figure 23 - All areas in these photos, including turf, odd-shaped areas, narrow grass strips between pavers and planters are irrigated with drip and dripperline.
Figure 23a - All areas in the photo, including turf, odd-shaped areas, narrow grass strips between pavers and planters are irrigated with drip and dripperline Figure 23b - All the areas in this photo, including turf, odd-shaped areas, narrow grass strips between pavers and planters are irrigated with drip and dripperline



HARDSCAPES:

  • Eliminates bleaching and staining of hardscapes, such as wooden fences maintaining the aesthetics of hardscapes
  • Excellent for grass strips between pavers on patios


REDUCES LANDSCAPE PLANTING BUDGET:

  • Drip and dripperline dramatically increase a plant's growth to maturity
  • Allows for more, less expensive container sized plants to be used with the same result as more larger, more expensive containers


STEEP SLOPES:

  • Allows turf or plantings to be used on slopes
  • Plant's speed of growth to maturity is significantly increased, meaning a reduced risk of slope damage early on
  • Water is more easily managed on slopes with dripperline
  • Wash outs and swales are virtually eliminated
  • Pocket walls

Figure 23 - Examples of pocket walls irrigated with Netafim Dripperline.
Figure 24a - Example 1 of pocket walls irrigated with Netafim Dripperline Figure 24b - Example 2 of pocket walls irrigated with Netafim Dripperline


LOCALES WHERE THE COST OF WATER IS VERY HIGH:

Unlike overhead irrigation, which does not have an even application rate across its pattern, products like Netafim Techline CV and Techline Dripperline:

  • Have an extremely well-balanced application rate in the entire area
  • Eliminate over-watering ensuring the driest area receives enough water
  • Uses about half (frequently less than half) of the water of an overhead system
  • 90% + efficient vs. overhead irrigation, which is about 60% efficient
  • Techline CV seals in 1.3 gallons of water for every 100 feet, saving water from draining out of the dripperline when the zone shuts off


RECYCLED/RECLAIMED WATER OR FERTIGATION APPLICATIONS WHERE SPRAYING WATER IS ILLEGAL:

  • Allows for use of nutrient-rich water, often at a greatly reduced cost
  • Conserves precious potable water supplies
  • Great solution for when no human contact with recycled/reclaimed water is required by health codes

Note: When working with on-site wastewater drip dispersal, federal, state and local regulations will typically require the use of Netafim Bioline. Please contact Netafim's Wastewater Division for more information.



WATER WINDOW ISSUES:

Irrigate whenever it is necessary because the system will not interfere with any activities being conducted.



SNOW-BELT AREAS USING SALT ON STREETS AND SIDEWALKS:

  • Dripperline can help leach salts from the soil in early spring
  • Approximately 50% of the salts can be removed when the water gets 12" into the soil
  • Approximately 90% of the salts can be removed when the water gets 24" inches into the soil


OTHER AREAS:

  • Areas with extensive large tree roots
  • Fertigation systems
  • Green building projects
  • Highly regulated water use areas
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Subsurface Drip Irrigation Guide - Page 3

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