 | Irrigation
is the key component in plant establishment and maintenance. Native habitats can
only be established with an initial irrigation phase to encourage healthy and
deep root growth. Once the roots have reached the desired depth so that the planting
is firmly established, the irrigation system can be removed. Nakae and Associates,
Inc. designs and installs these temporary systems to simulate rain, allowing for
root development and training. Mindful of water conservation, Nakae and Associates,
Inc. has staff water auditors to evaluate water usage and consumption. By training
plants during establishment and adjusting watering times and duration according
to plant needs, plants develop faster with less dependency on supplemental water,
thus reducing long-term water cost. Nakae
has the equipment to install all-terrain irrigation systems from farms to manufactured
slopes along highways. One toll road project required laying 7 miles of aluminum
piping to bring in water for irrigation. Nakae
and Associates, Inc. has been designing and installing central control irrigation
systems with flow meters, pump starts, backflow, flow management, and pressure
and heat sensors since 1985. Watering times are adjusted daily according to the
evaporation and transpiration rate of the plant. By being able to reduce water
consumption up to 40%, there is significant reduction in annual water usage and
cost. Every summer Nakae and Associates, Inc. retrofits schools with new irrigation
systems, computer controlled clocks and sodded turf. They are capable of doing
over 1,000,000 square feet of retrofitting during each summer break. Erosion
control methods vary and are determined by site conditions, BMP (Best Management
Practice) requirements, and whether control is to be temporary or permanent. Nakae
and Associates, Inc. uses the following methods of erosion control:  | Gabions
| | Chain
link | | Wattles,
Straw and Cocoanut | | Silt
fence | | Hay
bales | | Jute
| | Erosion
blankets | |
Bonded
fiber matrix |
| Gypsum
| | Emulsion
| |
Plastic sheeting | | Sandbags
| | Temporary
vegetative |
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