Pipeline Route Optimisation Method
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PROM generates optimised routes pipelines or other linear features. Using over 70 datasets which define route suitability the PROM method determines the ‘least cost’ route from A to B.

Routes are generated fast and efficiently removing a traditional constraint to route development. Routes are also reported in detail from hydraulic profiles and crossing to an online mapping platform. This means the team is familiar with the route and understands the decisions made.


Need: Do more with less is a common theme in modern Asset Management. The number and scale of construction projects is being reduced but when they go ahead planning must be optimised to get maximum return on investment

Challenge: Routing any assets is difficult in the modern world. The landscape is increasingly complex with many constraints from existing infrastructure to designation. Add to the limited budget and finding a suitable route can be difficult.  Delivering multiple alternatives, each considered with equal consideration can be very costly

Solution: PROM is a GIS tool which determines best route considering all geotechnical, human and environmental constraints at the same time. Typically 50-70+ decisional datasets are weighted and combined to create a least score database. Given this PROM can use any number of start locations/options to generate a least cost route which navigates it way through the landscape.

PROM includes automatic reporting which includes profiles, schedules and online platform to view the results

Benefits: Benefits can be summarised into two; time and cost savings, and better routes. Clients have told us we have deliver significant time and cost saving for route planning, in the region of £25k to £40k. PROM delivers this by generating routes quickly based on knowledge already within PROM. One of the biggest issues with traditional routing projects is creating the first route. It is only then the various disciplines can contribute. This can take weeks or months. PROM will generate a route in hours allowing disciplines to work almost immediately. This efficiency enables more optioneering than traditional methods in the pursuit of the best route. Expert resources focus on route verification and not the whole assessment process.

The routes generated consider all the information provided based on the objective weightings. The result is a route which does not favour one or other discipline and considers many constraints at once. PROM routes minimise capex and opex spend through avoiding constraints and evaluating topography during route generation.

The outputs allow project teams to understand the route clearly and concisely. The schedule provides quantitative information to support due diligence and allows quick comparison of the merits of one route with another, providing decision-making transparency

Key benefits

Routes are generated quicker and cheaper than traditional methods. The route is optimised from the start and comes with a number of outputs to support validation. The streamlined process and detailed outputs allow greater optionineering through more routes exploring alternative approaches, and a better understand of those routes



PROM Capability Sheet
Location Analytics Capability Sheet


“Every route over 1km should be run through PROM”

Guy Gregory – Enabling Manager, Anglian Water

“Provided a good starting point before the walkover”

“PROM does act as a good tool for discussion with all the disciplines”

“Provides a level playing field”

Nathan Camilleri – Engineer, South East Water


Key features

PROM takes an infinite number of datasets (but typically 40 to 70 depending on what’s available). These are weighted by subject matter experts to build up a knowledge database. This process makes decisions clear, transparent, auditable and based on objective rather than subjective judgements.

The weighting database provides the knowledge to make routing decisions. Although called PROM the method has been used to generate routes for a number of linear assets from penstocks to roads and transmission lines. By tweaking the weighting profile and applying different horizontal and vertical algorithms the route of any linear asset type can be optimised.

Once this knowledge has been captured PROM can be given any start, mid and end location and determine the least score route between them. These locations can be provided as points, lines or polygons allowing PROM to determine the best location to join to an existing asset such as a pipeline. PROM can also be given multiple locations and asked to generate a route to each, or a route to the single best location based on its routing database.

Routes are quick and efficient to produce allowing optioneering and what if scenarios to be considered which never would have been before.

Routes, whether PROM made them or not are run through a schedule tool which generates

  • long profiles allowing routes to be hydraulically reviewed
  • itemised crossing list to enable route by route comparison

Route optimisation, site selection, knowledge capture, automated route generation, optioneering, bulk route creation i.e. PR19