Hydrology

NOAA Durations

InfoDrainage supports only a limited subset of NOAA Atlas 14 storm durations: 360 minutes (6 hours), 720 minutes (12 hours), 1440 minutes (24 hours), and 5760 minutes (4 days). However, NOAA Atlas 14 provides a broader range of precipitation durat...

Guest about 1 year ago in InfoDrainage / Hydrology 0 For Review

4 VOTE

Export non-connected catchment objects

Currently Civil 3D will not export a catchment object unless is connect to a structure/junction. It should export all catchment objects regardless of if they are connected to a structure/junction.

Guest almost 2 years ago in InfoDrainage / Hydrology 0 For Review

5 VOTE

TR-20 Runoff Generation

Can ID incorporate this methodology? MA department of Env Protection will be requiring this for their calculations.

Jess Ewing over 2 years ago in InfoDrainage / Hydrology 1 Gathering support

2 VOTE

Add ability to use custom curve number tables other than the default TR-55

Many jurisdictions publish their own set of curve numbers for different land uses which they will expect to see during plan review. The local curve number sets often differ from TR-55. Please allow us to build custom curve number sets based on lan...

Guest 12 months ago in InfoDrainage / Hydrology 1 For Review

6 VOTE

Adding interception and evaporation losses to Permeable Pavements, Bioretention systems etc.

There is currently no option to consider depression storage, interception and evaporation losses while modelling SuDS components such as Permeable Pavements, Bioretention systems etc in InfoDrainage. The option was available in MicroDrainage and i...

Dilraj KT almost 3 years ago in InfoDrainage / Hydrology 1 Gathering support

4 VOTE

Add a Brownfield Runoff tool under Preliminary Sizing > Calculators in the ribbon

To assist with initial site assessment, a brownfield runoff tool with printable reporting for the chosen rainfall events would be useful in the Preliminary sizing ribbon to allow analysis of brownfield and greenfield runoff rates from the same loc...

Guest over 2 years ago in InfoDrainage / Hydrology 2 Already exists

5 VOTE

Add Snowmelt to InfoDrainage

The addition of SWMM5 snowmelt will make it easier to model LID's in North America which has a lot of snowfall in Canada and the northern USA. Snowmelt can be a significant source of water annually to a LID or SuDS.

ROBERT DICKENSON about 3 years ago in InfoDrainage / Hydrology 1 Under consideration

3 VOTE

Variable baseflow

(Could also be considered hydraulics) On large scale projects where we may have limited information and funding, we assume baseflow values through an upstream point inflow. It would be beneficial to have a variable baseflow input per design storm....

Jess Ewing over 2 years ago in InfoDrainage / Hydrology 1 Gathering support

2 VOTE

ILSAX Runoff Method

ILSAX is a public domain MS-DOS program developed from the South African ILLUDAS-SA program, which was itself a development of the American ILLUDAS program and the British Transport and Road Research Method (known as the TRRL or RRL model). It was...

matthew.piggott about 2 years ago in InfoDrainage / Hydrology 1 Gathering support

2 VOTE

Include County of San Diego Modified Rational Method.

Engineers working on land development projects in Southern California could benefit from including the County of San Diego Modified Rational Method. Their Hydrology Manual describes a particular way of calculating the combination of drainage syste...

Guest about 3 years ago in InfoDrainage / Hydrology 1 Under consideration

Please enter your email address

FILTER BY CATEGORY