Utility Surveys
At South West Surveys, we specialise in utility surveys for clients across the UK. Our comprehensive utility mapping services help you identify underground utilities, ensuring accurate and reliable data for your project.
Why Choose Our Utility Surveys?
We provide full utility surveys, including drainage surveys and CCTV inspections, using the latest technologies like ground-penetrating radar (GPR) and electromagnetic location (EML) equipment. Our expertise ensures that all surveys are accurate and compliant with industry standards.
Key Features of Our Utility Surveys:
- Accurate depth and location data for cables, pipes, ducts, and drainage routes
- All utilities are positioned to OSGB36 and ODN height for precise mapping
- Utility survey results can be added to a topographic survey or offered as a standalone service
Customisable Survey Deliverables
Our utility surveys can be delivered in various formats, including 3D DWG files or as detailed Revit models, depending on your project requirements. We also offer desktop utility surveys for clients who only need basic records without a full on-site survey.
Additional Services for Utility Surveys
- Desktop Utility Surveys: Ideal for projects where a full survey isn’t required. We source relevant records from utility providers and compile them into a comprehensive document.
- Coal and Tin Mining Reports: For an additional fee, we can provide detailed reports on historical mining activities in your project area.
Our Utility Survey Services
We offer a wide range of utility survey services tailored to your needs, including:
- Utility mapping
- PAS-128 compliant surveys
- Ground Penetrating Radar (GPR) surveys
- Drainage and CCTV surveys
- Jetting and cleaning services
- 3D Utility Surveys for advanced projects
Why Accurate Utility Surveys Matter
Accurate utility surveys are essential for avoiding costly delays and damages during construction projects. By identifying the exact locations of underground utilities, we help ensure the safety of your team and the efficiency of your project.
Contact Us for Utility Surveys in the UK
Ready to get started with our reliable utility surveys? Contact South West Surveys today for a consultation and quote. Our team is ready to assist you with all your utility survey needs, from basic desktop surveys to comprehensive, on-site investigations.
Quality level of survey outputs (normative)
| Survey type (establish with client prior to survey) | Quality level (Practitioner to determine post survey) | Post-processing | Location accuracy | Supporting data | ||
| Horizontal 1) | Vertical 2) | |||||
| D | Desktop utility records search | QL-D | - | Undefined | Undefined | - |
| C | Site reconnaissance | QL-C | - | Undefined | Undefined | A segment of utility whose location is demonstrated by visual reference to street furniture, topographical features or evidence of previous street works (reinstatement scar). |
| B | Detection 3) | QL-B4 | No | Undefined | Undefined | A utility segment which is suspected to exist but has not been detected and is therefore shown as an assumed route. |
| QL-B3 | No | +500mm | Undefined (No reliable depth measurement possible) | Horizontal location only of the utility detected by one of the geophysical techniques used. | ||
| QL-B3P | Yes | |||||
| QL-B2 | No | +250mm or +40% of detected depth whichever is greater | +40% of detected depth | Horizontal and vertical location of the utility detected by one of the geophysical techniques used. 4) | ||
| QL-B2P | Yes | |||||
| QL-B1 | No | +150mm or +15% of detected depth whichever is greater | +15% of detected depth | Horizontal and vertical location of the utility detected be multiple 5) geophysical techniques used. | ||
| QL-B1P | Yes | |||||
| A | Verification | QL-A | - | +50mm | +25mm | Horizontal and vertical location of the top and/or bottom of the utility. Additional attribution is recorder as specified in 9.2.5. |
Quality level of survey outputs (normative)
Quality level (Practitioner to determine post survey)
QL-D
Post-processing
-
Location accuracy
Horizontal 1)
Undefined
Vertical 2)
Undefined
Supporting data
-
Quality level (Practitioner to determine post survey)
QL-C
Post-processing
-
Location accuracy
Horizontal 1)
Undefined
Vertical 2)
Undefined
Supporting data
A segment of utility whose location is demonstrated by visual reference to street furniture, topographical features or evidence of previous street works (reinstatement scar).
Quality level (Practitioner to determine post survey)
QL-B4
Post-processing: No
Location accuracy
H: Undefined V: Undefined
Supporting data
A utility segment which is suspected to exist but has not been detected and is therefore shown as an assumed route.
QL-B3
Post-processing: No
QL-B3P
Post-processing: Yes
Location accuracy
H: +500mm V: Undefined (No reliable depth measurement possible)
Supporting data
Horizontal location only of the utility detected by one of the geophysical techniques used.
QL-B2
Post-processing: No
QL-B2P
Post-processing: Yes
Location accuracy
H: +250mm or +40% of detected depth whichever is greater V: +40% of detected depth
Supporting data
Horizontal and vertical location of the utility detected by one of the geophysical techniques used. 4)
QL-B1
Post-processing: No
QL-B1P
Post-processing: Yes
Location accuracy
H: +150mm or +15% of detected depth whichever is greater V: +15% of detected depth
Supporting data
Horizontal and vertical location of the utility detected be multiple 5) geophysical techniques used.
Quality level (Practitioner to determine post survey)
QL-A
Post-processing
-
Location accuracy
Horizontal 1)
+50mm
Vertical 2)
+25mm
Supporting data
Horizontal and vertical location of the top and/or bottom of the utility. Additional attribution is recorded as specified in 9.2.5.
1) Horizontal location is to the centreline of the utility.
2) Vertical location is to the top of the utility.
3) For detection, it is a requirement that a minimum of GPR and EML techniques are used.
4) Electronic depth readings using EML equipment are not normally sufficient to achieve a QL-B2 or higher.
5) Some utilities can only be detected by one of the existing detection techniques. As a consequence, such utilities cannot be classified as a QL-B1.
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