Landscape Architects - Page 21

We recommend using a temporary supplemental overhead irrigation system to establish plant material in conjunction with the subsurface system.

Temporary supplemental overhead irrigation can be stopped once roots have grown into the irrigated zone. Approximate grown-in periods include:

2-6 weeks for shrubs, perennials, and groundcovers during the growing season or until plant material roots have established in Eco-Mat irrigated zone

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  1. In general, slightly sandy soil (sandy loam) is ideal for subsurface irrigation; this is because “medium” textured soils have the greatest amount of water available to plants due to lower capillary forces. Follow recommendations from the soils report.
  2. Backfilling on top of the installed mat can be done by hand or via machine. To avoid damage to the mat and dripline, place at least 4 inches (10 centimeters) of compacted soil on top of the mat before using mechanized equipment.
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  1. Open the manual flush valve at the exhaust manifold and pressurize the system to thoroughly remove debris within the dripline. Flush until water runs clear. This could take several minutes for larger systems.
  2. Close the manual flush valve and run each zone for 20-30 minutes.
  3. Check for consistent watering patterns on the mat. Noticeably wet or dry areas, compared to the rest of the zone, need to be checked for leaks, blockages, or other damage that may have occurred during installation.
  4. Check your entry and exhaust headers for leaks.
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Eco-Mat is particularly effective with rooftop gardens where the growing medium is very lightweight and porous. Typical dripline cannot succeed well within this soil profile, yet the Eco-Mat performs extremely well.

Always refer to the project engineer or architect for rooftop installation parameters.

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Establish a firm header (entry manifold) on the shortest side of irrigated area.  A PVC entry manifold is recommended for durability and stability. Install each manifold below the mat, or otherwise far enough away from the curb, so as not to prevent the Eco-Mat from bordering/touching the curbing or having a proper lie.  Connect the entry manifold to the Hunter control zone kit. The recommended operating pressure is 40 psi (2.7 bar), but may operate with pressure as low as 15 psi (1.0 bar).

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Run Eco-Mat parallel to longest irrigated area length to ensure quick installation and to minimize fitting quantities. To calculate Eco-Mat row quantity for a specific area, divide the shorter side of the area by 26 inches (66 centimeters). The width of the Eco-Mat is 32 inches (80 centimeters), but we will overlap the product by about 6 inches (15 centimeters) in order to attain regular 14-inch (35 centimeter) lateral intervals.

Calculate the length of the runs by the quantity of rows to understand the total linear feet (meters) of product required.

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  1. Recommended Eco-Mat installation depth per plant type: Turf: 4-6 inches (10-15 centimeters), Perennials and groundcovers: 8 inches (20 centimeters), Shrubs: 12 inches (30 centimeters.
  2. Recommended to achieve 80-85 percent compaction rate of soil above and below mat.
  3. Recommended to scarify soil to a depth of 6 inches (15 centimeters) below mat installation.
  4. Slightly sandy soil (sandy loam) is ideal when using subsurface drip irrigation - follow recommendations provided by soils report.
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For Hunter drip irrigation systems we recommend regulation and filtration systems on all residential and commercial applications. For drip irrigation systems using BTT, we recommend using Hunter HFR-075-25 or HFR-075-40. These filters install directly on 3/4" hose thread and BTT installs on the end of the filter system for filtration and regulated PSI of 25 or 40.

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For drip irrigation systems using BTT, we recommend using regulation and filtration systems on all residential and commercial applications. Filters shall install directly on BTT's 3/4" hose thread outlet and connect to drip tubing providing regulated PSI.

Find a Hunter Distributor closest to you using our interactive lookup.  Get Hunter

Use the chart below for ordering reference.

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Choose from the links below for troubleshooting your BTT controller.

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