KEN SUTHERLAND

Calculators for designing eaves gutters, box gutters, downpipes, pipes and open channels etc to Australian Standards... Storm Water Design for Building Sites. Overflow Provisions Rain Shadow & Roof Slopes How to find Rainfall intensity How to calculate the area of any catchment How to find the Hydraulic Grade of 'charged' pipes How to Design Box Gutters using the Code How to use the Extra features of the DP calculator Box gutters, allowable width, slope,& length Other Plumbing Codes How to exceed the Code Limits... How to calc Area from PDF How to find Rainfall Intensity & how to use the down pipe Calculator How to Design Box Gutters using the Code How to use the Extra features of the DP calculator Using the Results table and Printout Using the "more Downpipes" section Using the "Working back" section For bigger Jobs How to use the Pipe Network calculator.