Trench Hydraulic Service

‘Hydro’ is a purpose written, hydraulic design program modelled on differential calculus for non-uniform flow in troughs. The program was further refined with empirical data, following a series of experiments modelling lateral intake into trenches. Analysis of the effect of slope, run length, and trough cross sectional profiles were incorporated into the program.

Complex scenarios such as the effects of water inflow from other services along the length of the trough can also be modelled by the ‘Hydro’ program. ACO can use ‘Hydro’ to recommend optimum outlet positions along the trough runs.

Results are provided either electronically (PDF) and/or in printout format.

To request this service, fill in all sections (including section 3) of the Drainage Run Online Request or contact ACO.

Grate Hydraulic Service

ACO has independently measured, by experimentation, the hydraulic intake capacities of ACO Drain grates. Tests were carried out under varying flow rates and catchment approach slopes. To determine the hydraulic utilisation, each grate was tested until bypass occurred (point at which liquids would pass across grate).

The Grating Intake Calculator (GIC) provides information on the intake efficiency of the chosen grate. If the required liquid intake is greater than the grate’s performance, the extent of bypass (or failure) will be calculated. (click here for more info)

Results are provided either electronically (PDF) and/or in printout format.

To request this service, contact ACO.