Wastewater and drainage

Manhole covers and gully tops certification 

BSI offers a wide variety of BSI Kitemark schemes and testing for a range of drainage products for the collection and conveyance of wastewater.

Manhole covers and gully tops with a clear opening up to and including 1000mm for installations within areas subjected to pedestrian and/or vehicular traffic, are rigorously tested for materials, design, construction, function, dimensions and marking.

The BSI Kitemark scheme that is available for these products is accepted by the Highways Agency in Volume 1 – Appendix B of the Specification for Highway Works.

Concrete pipes inspection chambers and drainage gullies testing

Concrete pipes inspection chambers and drainage gullies are made from pre-cast concrete. Larger pipes and inspection chambers are tested on-site, are very often reinforced with steel, depending on their size and usage requirements. Comprehensive testing of these products includes durability, crush strength tests, watertight durability of joints, water absorption, core strength and quality of the precast concrete.

Manufacturers, municipalities, and infrastructure owners benefit from manhole covers, gully tops, concrete pipe inspection chambers, and drainage gullies certification and testing.

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Manhole covers, gully tops, concrete pipes, inspection chambers, and drainage gullies are critical components of infrastructure and public spaces' drainage and sewage systems. They are designed to provide access for maintenance, inspection, and cleaning. Testing these components by a notified body is to ensure their compliance with safety, quality, and performance standards. Key points may include:

1. Safety: Manhole covers and related components are often located in public areas, such as roads, sidewalks, and parks. They need to be able to withstand various loads and environmental conditions without posing a risk to pedestrians, motorists, or workers. Testing helps ensure that these structures can bear the necessary loads and remain secure, reducing the risk of accidents or injuries.
2. Structural Integrity: Manhole covers and drainage components are exposed to significant stress and strain due to vehicular traffic, heavy equipment, and environmental factors. Testing ensures that they have the necessary structural integrity to withstand these pressures and prevent collapse or damage, thereby maintaining the functionality of the drainage system.
3. Performance: Manhole covers and related components should effectively prevent the entry of debris, rainwater, or other foreign objects into the drainage system. They must also facilitate proper drainage and prevent blockages. Testing verifies their performance characteristics, such as water tightness, load-bearing capacity, and resistance to corrosion, ensuring they function as intended.
4. Compliance with Standards: Different countries and regions have specific standards and regulations governing the design, manufacture, and installation of manhole covers and drainage components. Notified bodies are authorized organizations that assess and certify products against these standards, ensuring compliance with legal requirements. Testing by a notified body helps manufacturers demonstrate that their products meet the necessary criteria.

By subjecting manhole covers, gully tops, concrete pipes, inspection chambers, and drainage gullies to testing by a notified body, authorities can enhance public safety, improve the durability and performance of drainage systems, and ensure compliance with applicable standards and regulations.

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Service for certification and testing can include but is not limited to:

1. BS EN 124 Certification for Manhole Covers and Gully Tops: BSI offers certification services based on the BS EN 124 standard, which specifies the requirements for manhole covers and gully tops. This certification ensures that the products meet the necessary criteria for load-bearing capacity, dimensions, materials, and other relevant factors.
2. Concrete Pipes Certification: BSI provides testing and certification services for concrete pipes used in wastewater and drainage systems. This includes assessing factors such as strength, dimensions, water tightness, and resistance to chemicals or other environmental factors. The certification process ensures compliance with relevant standards such as BS EN 1916.
3. Inspection Chambers Certification: BSI offers certification services for inspection chambers, which are used to provide access to underground drainage systems for inspection and maintenance purposes. The certification process assesses compliance with standards such as BS EN 13598, which covers the performance requirements for inspection chambers.
4. Drainage Gullies Certification: BSI provides testing and certification services for drainage gullies, which are components of drainage systems designed to collect surface water. Certification ensures that these gullies meet the required standards for water flow, dimensions, and other relevant performance criteria.

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BS EN 124-1:2015
Gully tops and manhole tops for vehicular and pedestrian areas - Definitions, classification, general principles of design, performance requirements and test methods

BS EN 1433:2002
Drainage channels for vehicular and pedestrian areas. Classification, design and testing requirements, marking and evaluation of conformity

BS EN 1916:2002
Concrete pipes and fittings, unreinforced, steel fiber and reinforced

BS EN 1917:2002
Concrete manholes and inspection chambers, unreinforced, steel fibre and reinforced

BS EN 681-1:1996
Elastomeric seals. Material requirements for pipe joint seals used in water and drainage applications - Vulcanized rubber

BS EN 598:2007+A1:2009
Ductile iron pipes, fittings, accessories and their joints for sewerage applications. Requirements and test methods

The UKCA (UK Conformity Assessment) mark is the new UK product marking that will be required for certain products being placed on the market in Great Britain (England, Wales and Scotland). It covers most products that previously required the CE mark.

From the 30th June 2025, CE Marking will no longer be accepted for construction products and UKCA will be required.

You can learn more about UKCA here >

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