A.
Design criteria, standards and specifications. All BMPs required to comply with this chapter shall meet the design criteria, standards and specifications based on any of the following:
(1)
Design guidance and technical standards identified or developed by the Wisconsin Department of Natural Resources under Subchapter V of Ch. NR 151, Wis. Adm. Code.
(2)
Technical standards and other guidance identified within the Town of Grand Chute Erosion and Sediment Control Reference Guide.
(3)
Soil loss prediction tools, such as the Revised Universal Soil Loss Equation 2 (RUSLE2), that estimate the sediment load leaving the site under varying land and management conditions may be used to show compliance with the sediment performance standards pursuant to § 275-7B of this chapter.
(4)
In this chapter, average annual basis is calculated using the appropriate annual rainfall or runoff factor, also referred to as the "R factor," or an equivalent design storm using a Type II distribution, with consideration given to the geographic location of the site and the period of disturbance.
B.
Other standards. Other technical standards not identified in this chapter may be used, provided that the methods have been approved by the administering authority.