Micro Drainage Software Download

[Ena Marklund]

Withover 35 years of innovation, Microdrainage has done a cracking job of ensuring water professionals across the world deliver accurate and efficient designs and models of surface water and wastewater systems. We took everything we learned over that time to create InfoDrainage, which was released in 2020. This next generation drainage design software application has been designed to meet the increased demands for sustainability, compliance, and tight approvals.

In Microdrainage, SuDS structures in drainage systems are represented as a storage node with no dimensions. This means that while the SuDS volume is shown, the time of concentration of water flowing through various SuDS structures is not.

Consider these benchmarking results from a project related to Claylands Pond in Scotland that shows where the inlet and the outlet chambers of the pond were monitored during several rainfall events as part of the Scottish SuDS Monitoring Programme.

We used the observed inflow and injected the inflows as an input hydrograph at the upstream end of the Claytons Pond model in both MicroDrainage and InfoDrainage to replicate the storm event and compare the simulated outflow from both models against the observed monitored outflows (real-time data) from the flow monitor.

We took note of that. Now, in InfoDrainage, not only can you reconnect sub-catchments whenever the drainage design is revised, you can also import GIS or CAD polygons, have them recognised as sub-catchments, and automatically connect to nodes within their boundaries.

The DrawNet(CAD) module in Autodesk Civil 3D is used by some water professionals to create MicroDrainage models from a Civil 3D network using the Parts Mapping Manager. In MicroDrainage, DrawNet(CAD) has the ability to export and import pipes, manholes and open-sections and surfaces directly into Civil 3D as these elements are all represented by smart objects. However, if elements of the network within Civil 3D were altered as a result of a clash detection exercise or site constraints identified in the software or Navisworks, then the drainage network must be simulated again. In that case, the rainfall data, the sub-catchments, and the runoff coefficients need to be redefined in MicroDrainage in order to perform further analysis on the revised network.

We made this work better in InfoDrainage. The data associated with the drainage model (rainfall, sub-catchments, runoff coefficient) is preserved when exporting the model to Civil 3D. This means it can be brought back again to InfoDrainage with all the sub-catchment connections and the associated runoff coefficient ready for simulation.

This roundtrip between InfoDrainage and Civil 3D can be repeated as many times as required in order to ensure that the design is both compliant with the statutory regulations and is integrated within the Civil 3D model.

MicroDrainage was designed specifically for the UK market with additions to allow for rainfall generation from IDF curves to facilitate working on international projects. But InfoDrainage has design rainfall, peak flow calculation, and runoff methods embedded in the software to deliver drainage design in the UK, France, USA, Germany, Spain, Middle East, China, Japan and Australia.

In MicroDrainage, modelling bifurcation is not possible due to the numbering system adopted: dendritic numbering. Therefore, offline loops were utilised by the industry to perform volumetric exchange among multiple outgoing branches. A model with multiple offline loops is often associated with reduced accuracy and model instability which requires running the hydraulic model using reduced timesteps.

InfoDrainage lets you model as many bifurcations as required to represent the physical reality of the drainage arrangement. This helps you design to design complex drainage arrangement with confidence.

To get things in better order, InfoDrainage was designed to offer designers spatial awareness of SuDS structures, inlet pipes, and outlet structures, which enables a more accurate clash detection analysis against site constraints (eg, existing fence, utilities, trees). Any potential clash can be clearly identified early within the hydraulic model whilst sizing your SuDS structures.

A good drainage design is a design that has gone through an optioneering exercise with multiple iterations to exhaust all opportunities and identify the optimum location, volume, and type of storage structures that achieve the best results for the lowest cost possible.

In MicroDrainage, that kind of optioneering exercise meant creating multiple drainage models/files, running them all, exporting the results, comparing the simulation results in Excel or other data analysis tools, and then writing a report about the comparison outcome. This process can be incredibly time-consuming and sometimes cost prohibitive. We saw that this time penalty associated with optioneering often discouraged drainage designers from iterating on the design or performing an optioneering exercise for every design.

InfoDrainage has a Phase Management tool which allows the creation of multiple scenarios, allowing you to analyse them all together and produce a report comparing all of your scenarios. This tool can save over 90% of the manual effort involved in preparing comparison report. But perhaps most important, having these kinds of comparisons can reduce the human errors associated with exporting and comparing simulation results from multiple models.

With InfoDrainage, you can model the effect of rainwater tanks on a sub-catchment level. This deep granularity allows you to specify the number of tanks, volume of detention (for stormwater control) and retention, outflow from detention compartment, and harvesting demand from the retention compartment. With this tool, designers can test options for various demand values and size their rainwater harvesting tanks accordingly.

Microdrainage did not come with templates, but InfoDrainage has Project and Object Templates which can be created to provide a starting point for designers to use for multiple designs, templates can be developed per client, per project, per country, etc.

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MicroDrainage is a well-recognised tool for civil engineers working on surface water and external drainage calculations. It is the industry standard software for the detailed design of fully integrated storm-water and foul-water drainage systems. User of MicroDrainage benefit from a user-friendly interface, auto-design and optimisation as well as formal reporting and outputs.

This document contains the latest information regarding the installation and use of this extension. It is strongly recommended that you read this entire document before you apply this extension to your product. For reference, you should save this document to your hard drive or print a copy.

You can apply this extension to the following Autodesk products running on allsupported operating systems and languages. Be sure to install the correctextension for your software. Autodesk Civil 3D 2022 Return to Top

The Autodesk MicroDrainage Utility provides the ability for Autodesk Civil 3D Pipe Networks to be renamed and exported to MDX/SWS/FWS format for analysis within the MicroDrainage System 1 drainage design module and then imported to update the pipe network in Autodesk Civil 3D to create a 3D model of drainage network as well as product plans, sections and pipe and structure schedules.

During installation or uninstallation, you may be prompted for the original installation media or a network image. In order to apply this extension, you must have privileges to install and uninstall products.

Follow these instructions to install this extension on a singlecomputer. Download the extension and save it to any folder. Close all running Autodesk applications. Find the folder where you saved the extension and double-click the executable (.exe) file. Return to Top

Follow these instructions to install this extension on multiple computers using your local network. Download this extension and save it to any shared folder on your local network. Close all running Autodesk applications. Find the shared folder where you saved the extension, and double-click the executable (.exe) file.Return to Top Uninstall This Extension

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Extensive subcutaneous emphysema (ESE) is not only disfiguring, uncomfortable and alarming for the patient, but can rarely be associated with airway compromise, respiratory failure and death. Traditionally considered a cosmetic nuisance, few reports on interventions to relieve ESE exist. Most interventions are too invasive and have not been widely used. Fenestrated catheters have been reported to be effective in ESE. We report our experience on microdrainage with a fenestrated catheter and compressive massage in a 50-year-old man with ESE following pigtail insertion for drainage of lung abscess. The apparatus is easily constructed and the procedure is simple, painless, minimally invasive, highly ef fective and cosmetically aesthetic. Placement of an underwater trap and visualisation of bubbling can be used as end-points for adequate compressive massage. Routine management with this catheter can be considered as the procedure of choice for ESE.

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