(a) An irrigator shall prepare a site-specific irrigation
plan for each new irrigation system. The irrigation plan must be on
the job site during the installation of the irrigation system and
must be consulted for installation requirements.
(b) The irrigation plan must show that the irrigation
system provides complete coverage of all areas to be irrigated. If
there are areas on the site that are not to be irrigated, they must
be clearly identified on the irrigation plan.
(c) All irrigation plans used for construction must
be drawn to scale. The plan must include, at a minimum, the following
information:
(1) the irrigator's seal, signature, and date of signing;
(2) all major physical features in accordance with
subsection (b) of this section including, but not limited to, property
lines, streets, sidewalks, buildings, fences, flower bed lines, and
the boundaries of the areas to be watered;
(3) a North arrow;
(4) a legend showing the symbols used in the irrigation
plan and an accurate description of what the symbol represents;
(5) the zone flow measurement for each zone which includes
the zone/controller station number and the zone valve size;
(6) location and type of each:
(A) controller;
(B) sensor (for example, but not limited to, rain,
moisture, wind, flow, or freeze);
(7) specifications for all irrigation system components
to include, but not limited to, location, type, size, manufacturer,
model number, operating pressure, flow range, radius of throw;
(8) the scale used; and
(9) the design pressure.
(d) During the installation of the irrigation system,
changes from the original plan may be authorized by the licensed irrigator
if they are clearly documented in red ink on the irrigation plan and
the change does not:
(1) diminish the operational integrity of the irrigation
system; and
(2) violate any requirements of this chapter.
(e) All changes to the irrigation plan shall be documented
as an as-built drawing.
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