Marsh Industries

Off-mains drainage product BIM library


Downloads for Architects, Engineers, Consultants and Specifiers

Welcome to Marsh Industries’ hub for Architects, Engineers, Consultants and Specifiers. On this site you will find our current technical downloads including BIM files (RFA and IFC), DWG CAD files and other supporting documentation.

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All downloads on this site represent our products in their standard configuration. Marsh products for Civil, Commercial, Leisure and Agricultural developments are typically bespoke and can be customised to suit specific site requirements. Please contact us for full details and precise tank specifications.

Download links will be emailed to you. Please check your spam / junk folder and whitelist for further downloads if necessary.

Note: All downloads are provided without warranty and may be changed or updated at any time. Dimensions are provided for guidance only. Any internal product features are for visual purposes only.

Ensign sewage treatment plant

Marsh Industries Ensign sewage treatment plant range, 4 – 50PE Standard and Shallow. This section contains 12 downloads covering 22 products.

Ultra Polylok sewage treatment plant

Marsh Industries Ultra Polylok sewage treatment plant, MSUG 55 – 375 +. This section contains 11 products, however multiple tank configurations allow for almost unlimited capacity.

Ultra Polylok-L

The UPL is available in 6PE and 12PE models, is approved to BS EN12566-3.

Uni-Gem Star Septic Tank Conversion

Marsh Industries Uni-Gem Star septic tank conversion unit which exceeds EN12566-3 / EN12566-6 standards.

Hydroil bypass separators

Marsh Industries bypass separator range, NSBP 3 – 150 +. This section contains 8 products, additional custom configurations are available.

Hydroil full retention separators

Marsh Industries full retention separator range, NSFR 3 – 300 +. This section contains 12 products, additional custom configurations are available.

Pump Stations

Foul water and vertical pumping stations.

Marator Full Retention Oil Separators

High performance full retention separators for sites where the “industry standard” is just not good enough.