Business Details
34 Years
experience
Your Trusted Groundwork & Drainage Partner in Chelmsford
Established in 1992, C P Dynes has built a reputation as one of the UK and Ireland's leading deep drainage and large-bore specialists. Our expertise spans diverse projects from 1,500 contracts to 10 million infrastructure developments, consistently delivering high-quality work through safe and cost-effective methods. With a fully owned fleet renewed every three years and CSCS-certified operatives, we maintain rigorous health and safety standards while prioritising client needs. Our proprietor and supervisors oversee daily operations on-site, ensuring technical excellence in drainage solutions including soakaways, attenuation tanks, and deep foul/storm mains.Through regular NVQ training and collaboration with main contractors, we combine 30 years of industry experience with continuous improvement in safety performance. Our commitment to leaving finished works to exacting standards has earned repeat engagements from major construction firms across highways, utilities, and Olympic infrastructure projects.
Services
Linear Soakaways
Holding Tanks
Sewage Treatment Plants
Storm Water Attenuation
Hydrodynamic Separators
Septic Tanks
Gas Mains Installation
Culverts & Headwalls
Gully Installation
French Drain Systems
Details
- Year established: 1992
Highlights and features
- 30+ years' experience in deep drainage and infrastructure projects
- CSCS-certified operatives with regular NVQ training updates
- Fully owned modern fleet renewed every three years
- Proven track record with major contractors like Skanska and Balfour Beatty
- Daily on-site supervision by proprietor and senior management
Associations and certifications
- CSCS
What people say
Zero accidents on site
High quality workmanship
Proactive problem solving
Excellent safety record
Timely project delivery
Services
Deep Drainage Systems
Specialist installation of deep foul and storm drainage systems to depths of 10 metres. Utilising modern equipment and safety-certified teams, we deliver durable solutions for highways, utilities and infrastructure projects. Our expertise includes working in contaminated ground conditions and around sensitive utilities.
Storm Water Management
Comprehensive storm water attenuation systems including soakaways, holding tanks and flow control units. We design and install sustainable drainage solutions that meet environmental regulations while protecting developments from surface water risks across commercial and residential projects.
Gas Main Installation
Safe installation of gas distribution networks to industry standards. Our experienced team handles complex utility connections with precision, ensuring compliance with safety regulations for both new developments and infrastructure upgrades across the UK.
Culvert Construction
Design and construction of culverts and headwalls for road and railway projects. We create durable watercourse crossings using reinforced concrete and specialist techniques, maintaining structural integrity while minimising environmental impact during installation.
Suction Excavation
Precision excavation using vacuum technology for safe exposure of underground utilities. This method reduces risks when working near electrical cabling and pipework, ensuring minimal disruption while maintaining site safety standards.
People
Mr Camillus Dynes
Proprietor
Founder and director of C P Dynes with over 30 years' experience in drainage contracting. Directly oversees operations and maintains client relationships, ensuring adherence to safety standards and project specifications across all developments.
Questions
What areas do you cover for drainage projects?
We operate throughout the United Kingdom and Ireland, with extensive experience in both urban and rural environments.
Can you handle large-scale infrastructure projects?
Yes, we've successfully completed drainage packages up to £10 million in value for major developments including Olympic sites and motorway widening projects.
What safety accreditations do your team hold?
All operatives have CSCS certification with regular NVQ training updates. We maintain strict health and safety protocols on all sites.
How do you handle complex underground utility work?
We use suction excavation technology for safe exposure of services and have specialist teams experienced in working around sensitive infrastructure.
What types of drainage systems do you install?
We specialise in deep foul and storm drainage, attenuation systems, culverts, gas mains, and sustainable urban drainage solutions (SuDS).
How do you ensure quality control on projects?
Through daily supervision by senior management, comprehensive testing procedures, and detailed as-built documentation for all completed works.
