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Urban Drainage

12d Model interfaces with powerful drainage software packages to substantially reduce the time needed to design a complete drainage network, and increases design quality through holistic handling of design surfaces, other services, clash checking and trench quantities.

12d is the tool to create your drainage network

  • layout your drainage network inside 12d or create the network from spreadsheet formats!
  • avoid service clashe
  • automatically set minimum pipe cover and grading

Interface with Micro Drainage, XP SWMM, RAT2000, PCdrain, Drains

12d Model interfaces with these hydrology and hydraulic design programs and spreadsheets. This combines the “ real world” power of 12d’ s data terrain modelling with the specialised hydraulic design software packages.

Results Back into 12d!

  • hydraulic data goes directly onto your drainage profile (long section) plots
  • drainage data imports/exports to spreadsheets
  • drainage profile (long section) drawings complete with hydraulic grade line, pipe flows, velocity and construction data. You select the data to include!
  • plan drawings with pipes to scale or stylized using line types for pipe sizes
  • automatically generate “ intelligent” title blocks to plot directly to your plotter. Complete with your logos and auto incremented drawing numbers. Once again you determine the look of your drawings

Volumes and quantities!

  • custom templates for trench shapes that vary with depth and pipe size. Excavation volumes are also summarised by depth!
  • pipe schedules categorised by pipe types, sizes and/or depths. You specify the ranges and the groupings

Construction Schedules

Construction setout tables can automatically be printed, data exported to spreadsheets, or you can use the powerful macro language to create your own reports!

  • easting, northing, inverts levels, diameters, pit types and remarks
  • road chainage and centre line offset style

Roadway depths and flooded widths

12d calculates the width of flow using normal depth calculations and HEC RAS projects are created with discharges results from your hydraulic design program.

Surcharge Volumes

Surcharge volumes from drainage pits are difficult to conceptualise. 12d displays surcharge volumes as the flooded area and identifies where spill from the flooded area will occur! Volumes are read directly from your design program/spreadsheet or they can be manually entered.

Optional Modules

  • Survey
  • Volumes and tin analysis
  • Detailed civil design
  • Pipeline
  • Rivers interface modules
  • Urban drainage, Waste water

Optional File I/O Modules

  • AutoCAD dxf/dwg Input/Output
  • Microstation Binary dgn files Input/Output
  • Moss GENIO files Input/Output
  • CivilCAD Input/Output
  • Geocomp Input/Output


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12D Solutions Pty Ltd


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12D Solutions Pty Ltd - PO Box 351 Narrabeen NSW Australia 2101
Tel 61 (02) 9970 7117 - Fax 61 (02) 9970 7118. Email