Dec 2015
Gas Transmission
Geospatial Information System (GIS) Pipeline Costing Tool
Dec 2015
Jun 2016
National Grid Gas Transmission
Paul Lee
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Network Innovation Allowance
Gas Transmission Networks
The current process relies too heavily on the construction engineers experience, which includes subjectivity and human factors. The current process is disconnected from formal cost estimating and too often relies on rules of thumb.

This project is innovative because it makes best use of National Grid’s GIS technology to provide decision support through analysis, combined with the engineers experience. It will provide a method to generate additional information to support critical decision making where currently only limited information and assumptions are available.

To trial by pilot a method for generating quantitative information in relation to relative gas pipeline corridor costs to support down selection of preferred corridors. Subject to a successful pilot, the process can be applied to diversions, in particular of potential use for HS2.

Delivery of the pilot ArcGIS MXD and toolbox with pilot data which can be used and extended by GIS trained staff at National Grid. Training costs are not included within this paper