DGDesign is able to offer a range of specialist services for clients. These include route action studies through to ground investigation services amongst other things.

You can find out more about some of the major projects where Engineering Design services have been used. Select a project from the list to get further details on the work carried out and the services provided by the team.

- Route Action Studies

- Electronic Distance Measurement Capabilities

- Ground Investigation Services

- Global Positioning System Capabilities

- Global Positioning System Schemes

Route Action Studies

Client : Mouchel and Aberdeenshire Council

Project Value : £20,000

Completion Date : 2003/2004

Mouchel had been commissioned in 2003/2004 by Aberdeenshire Council to carry out Route Action Studies of several major arterial roads in Aberdeenshire. As Sub-consultants, Dumfries and Galloway Council, Engineering Services conducted AIPs studies of the routes and drafted the corresponding sections of the reports.

This work involved collation and analysis of accident data to identify patterns, comparison with national statistics to assess the significance of these patterns, examination of contributory factors and likely causation, and formulation of recommended measures to reduce accidents.

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Electronic Distance Measurement Capabilities

DGDesign collects survey data using EDM equipment to supplement information from GPS.

The range of equipment operated within Design Services includes:

• Leica TCRA1105+ - Motorised reflectorless Electronic Total Station which offers a remote measurement capability on to inaccessible targets.

• Leica TPS1200 - Fully motorised, reflectorless up to 300m, Electronic Total Station with 1 person remote control operation facility

The instruments are supported by full detail / traverse kits.

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Ground Investigation Services

DGDesign manages the Dumfries and Galloway Council Term Ground Investigation Contract and has undertaken site investigation work on Trunk Roads for the Scottish Executive. The team are experts in Geotechnical Engineering including the Certification procedures required by the Scottish Government.

Recent geotechnical survey work includes:

• A75T Cairntop to Barlae and A90T Glendoick and Kinfauns Interchanges for the SE via Mouchel Parkman.
• A75T Newton Stewart DAL and A75T Barfil to Bettyknowes for Amey Highways and the SE.
• Dumfries RDF Plant for Shanks Waste via Mouchel
• A747 Monreith and the Hoods Loaning Site for Dumfries and Galloway Council

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Global Positioning System Capabilities

GPS survey and data collection to Ordnance Survey national co-ordinate system allows direct overlay onto GIS base maps. This allows an infinite amount of information on property and other spheres where the council has responsibility.

Modern GPS can now achieve accuracy of better than one cm and is now the preferred way for OS (GB) to collect data. Uses include:

• Coastal Monitoring - Beach levels, erosion, land reclamation.
• Landfill Sites - Monitoring, settlement of capped sites, land use and extent.
• Contaminated Land Sites - Monitoring, charting extent of contamination, testing sites.
• Highway Inventory - Road signs, white lines, lighting columns, structures, etc.
• Topographic Surveys - Landfill, borrow pits, development sites, highway improvements.
• Highway Monitoring - Settlement, landslips, traffic counter location.
• Rights of Way Location and Recording – Recording accurately on GIS.

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Client: Dumfries and Galloway Council Project Value: £199,000 Completion Date : 2002

Global Positioning System Schemes

DGDesign collects GPS data in formats including :

• MX models on an OS base map
• Stand alone MX models
• AutoCAD drawings on OS base maps
• Stand alone AutoCAD models (3D and 2D)
• DXF files and raw OS co-ordinate files in Excel format

Recent commissions include:

• Galdenoch Landfill Site - Full topographic survey of site for record purposes and monitoring of fill levels to comply with planning conditions as well as checking gradients of adjacent watercourses.
• A76 Gateside to Knockenjig - Topographic survey for major road improvement scheme.
• Stranraer Flood Prevention Scheme - Topographic survey of land, watercourses, flood plains, & land use in & around Stranraer for the appraisal of flood & design of flood prevention measures.
• A76 Enterkin to Kirkconnel - Profile survey of road for input to Paramics Model in order to assess possible locations for future climbing lanes/improvements.

Other commissions where GPS has been used with significant cost savings include:

• Dumfries Skate Park
• A75 Planting End Road Improvement
• A75 Cairntop to Barlae Road Improvement
• Glenluce Retaining Wall
• Blacks Plantation Landfill Site

Survey accuracy is typically between 7 and 10mm for individual points and with a baseline accuracy of around 20mm.  GPS can be a one-man operation and data collection rates are higher and cheaper than conventional two man survey teams.

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