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Grade Control Structure Design Information Sheet

Author: Robert P. Stone, P. Eng.- Engineer, Soil/OMAFRA
Creation Date: 15 June 2007
Last Reviewed: 4 April 2008
  1. Watershed area
________ha
________ ac
  1. Average grade of watershed
__________ %
  1. Runoff curve number from Tables 2.2 — 2.4
__________
  1. Peak flow from watershed for a 10 year storm from Table 2.5-M — 2.11-M
    (2.5-I — 2.11-I)
________ m3/s
______ ft3/s
  1. Grassed waterway dimension (where applicable)
T = ________ m
________ ft
D = ________ m
________ ft
  1. Grade control structure vertical drop
________ m
________ ft
  1. Grade control structure weir design from Table 4.23-M (4.23-I)
Weir width W
________ m
________ ft
Water depth D
________ m
________ ft
Weir flow
________ m3/s
______ ft3/s

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