Rock Chute Design Information Sheet

  1. Watershed area
________ ha
________ ac
  1. Average grade of watershed
________ percent
  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. Rock chute fall
________ m
________ ft
  1. Horizontal distance to obtain chute fall
________ m
________ ft
  1. Grade to fit = ((5) ÷ (6)) x 100
    (________ m ÷ ________ m) x 100
    (________ ft ÷ ________ ft) x 100
________ percent
  1. Type and size of input device
  
  1. Type and size of output device
  
  1. Chute slope (Tables 4.12-M — 4.14-M (4.12-M — 4.14-I))
________:1 or ________ %
  1. Side slope
________:1
  1. Bottom width
________ m
________ ft
  1. Chute depth
________ m
________ ft
  1. Chute width
________ m
________ ft
  1. Total chute length
________ m
________ ft
  1. Rock riprap to order for chute
________ m3
________ yd3
  1. Additional rock riprap to order for transitions, curves, etc.
________ m3
________ yd3
  1. Total rock riprap to order (16) + (17)
________ m3
________ yd3

 


For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca
Author: Robert P. Stone, P. Eng - Engineer, Soil/OMAFRA
Creation Date: 13 June 2007
Last Reviewed: 4 April 2008