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Below ground drainage
(107)
Below-ground drainage for stormwater and foul water management in civil, commercial and residential projects. Pipes and fittings in PVC-U, HDPE, clay and concrete. Manholes, inspection chambers and gullies. Soakaways, geocellular attenuation and infiltration crates. Oil separators, silt traps and interceptors. Pump stations, control chambers, flap and non-return valves.
Below ground drainage - helping you find the best solution for your project.

Smoothbore Shaft Linings - precast concrete tunnel shaft lining system
FP McCann Smoothbore Shaft Linings are made from precast concrete segments designed for shaft and tunnel construction, with smooth internal faces and watertight EPDM gaskets. Suitable for a range of ground conditions, these linings are engineered for strength, stability, and efficient installation across various diameters and build methods
Precast concrete manhole seating rings
Concrete frame adjusting / seating rings are reinforced 65mm deep units which can be used in place of engineering bricks to adjust the ductile or cast iron covers and frames to the required level. They can be quickly and easily installed by semi-skilled labour and there are fewer joints which reduce the likelihood of infiltration. Multi-part- PRODUCT
Elite Precast Concrete
WavinCoil perforated land drainage pipes
The WavinCoil perforated system land drainage pipes offer significant advantages when used for applications such agriculture, sports and recreation, or along roads and embankments. The system can help improve soil structure for better growth and higher yields. Playing fields and recreational areas will benefit from extended use across the season
SDS Weholite Systems For Jointing
With SDS Weholite Jointing Systems, the most efficient method of joining is selected for each specific application to ensure that the pipeline remains watertight, durable and effective despite the potential for poor ground conditions where there is the risk of excessive movement
Modular drainage systems made from recycled tyre rubber
Modular drainage systems made from recycled tyre rubber are designed for civil engineering water management, replacing traditional perforated pipes, concrete channels and granular stone. Units include panels, mats, stackers and troughs, with an average 45% void ratio and high vertical permeability for effective drainage and long-term durability
UltraRib adoptable / non-adoptable gravity sewer system
UltraRib is a PVC-U gravity sewer system suitable for adoptable and non-adoptable sewer installations. It has a smooth internal surface for enhanced flow, with concentric external ribs to provide axial rigidity and enhanced radial strength. It is lightweight for ease of handling on site. Available in 150mm, 225mm and 300mm sizes
Wavin Osma inspection chambers
Wavin offers Inspection Chambers in 315, 450 and 600mm diameters, approved to BS EN 13598-2 for deep applications. They are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 3m, depending on the chamber and the application
TwinWall infiltration pipes
Wavin Twinwall infiltration pipes are slotted to allow controlled infiltration as water is transported along their length. This reduces the volume of water that needs to be drained at the endpoint and facilitates groundwater re-charging. Wavin TwinWall pipes have a ridged wall profile which offers advantages over smooth-wall pipes. The ridged wall
Wavin Osma UltraRib - PVC-U corrugated drainage pipe for underground sewers
Osma UltraRib is a corrugated PVC-U pipe system designed for gravity drainage and sewerage installations up to 10m deep. Made from PVC-U, it features a smooth inner surface and external concentric ribs for strength and rigidity. The system includes fully socketed pipes and fittings for secure, easy installation and reliable jointing
TwinWall pipes for surface water conveyance
Wavin TwinWall drainage pipes and fittings are designed to transport surface water. They are produced in nominal diameters from 150-600mm in 6m lengths. Pipes are solid wall, perforated or half-perforated. The outer corrugated wall and a smooth finished inner wall assist hydraulic flow. They are easy to handle and install: ridged wall pipe system
Wavin OsmaDrain - plastic underground drainage pipes and fittings system
Wavin OsmaDrain Gravity Drainage System is a below-ground drainage and sewer pipework system for housebuilding, industrial, and commercial projects, suitable for installation depths up to 10 metres. Made from at least 50% recycled content, it includes pipes and fittings in 110mm and 160mm diameters, with RootSeal Technology to inhibit root
Chieftan precast concrete inspection chambers
Chieftan precast concrete inspection chambers are made from reinforced concrete and supplied in two halves with a cover slab. Units are cast to order to suit specific pipe openings and invert levels, and can be pre-fitted with flow control devices such as penstocks, Tideflex valves, or flap valves for fast and safe installation: precast concrete
Precast concrete manhole cover slabs
Access hole sizes vary according to manhole diameter and depth. Elite’s heavy-duty reinforced cover slabs can be supplied with a variety of standard and non-standard access hole sizes. Designers and users should take into account the current requirements for manhole access as detailed in the Health & Safety Code of Practice and other relevant- PRODUCT
Elite Precast Concrete
Low Carbon Anchoring Solution (LCAS®) - pipe anchoring
Platipus provides pipe anchoring solutions that replace difficult traditional methods of counteracting buoyancy for small and large pipelines: proven design solutions for buoyancy control of small and large pipelines; significant time and cost savings over concrete coating / set on / bolt on weights / bags; minimal environmental damage
Inspection chambers and manholes
Wavin 450mm Inspection Chamber Provides access from surface level to Wavin below ground 110m & 160mm gravity drainage and sewer systems. The Wavin 450mm IC is available in 3 flow profiles: lightweight; easy to Install; modular System: shaft can be built up to required length if NIC system required; manufactured and independently certified to
Osma shallow inspection chambers
Wavin offers Osma Inspection Chambers in 250, 300 and 450mm diameters, approved to BS EN 13598-1 for shallow applications. They are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0.9m, depending on the chamber and the application. A 500mm diameter chamber approved to BS 7158 for use down to 3m
SDS Weholite Manholes
Weholite manholes are flagship products that truly represent the very best of offsite build. The factory-built environment of offsite build and modular technology ensures that the inherent and residual risks, in terms of cost, efficiency, health & safety and environmental aspects, borne of the complexity of traditional construction processes, are
SDS Weholite Pipeline Systems
Weholite is used in a variety of pipeline applications from simple road or rail culverts to more demanding inter-process pipework on sewerage treatment plants and for offsite build components. The uniqueness of the Weholite production process means that pipes can be run in any length from 300mm to 30m in one piece. It is one of the few
Hydro-Brake® Optimum - purpose-built precast, reinforced concrete chamber
The Hydro-Brake® Optimum Chamber comprises a precast reinforced concrete chamber base containing a bespoke Hydro-Brake® flow control. Delivered to site ready for immediate installation. As the Hydro-Brake® flow control is already installed in the chamber complete with preformed benching (preformed benching with standard units only), installation- PRODUCT
Hydro International
OsmaDrain foul and surface water drainage system
OsmaDrain is a PVC-U foul and surface water drainage system designed for use in gravity drainage applications at depths of up to 10m. OsmaDrain 110mm and 160mm award-winning pipe are made using Wavin’s unique Recycore technology; they have at least 50% recycled content. Fittings have a captive seal for making joints. Included in the range are
SDS pollution management for M4 motorway improvement
Weholite, a versatile BBA -certified system for surface water management and pollution mitigation, was used in the M4 smart motorway improvement. Chambers were supplied pre-formed with an orifice plate and penstock arrangement. The first system was installed in less than three days, shaving around two-and-a-half months
Pipeline anchors provide buoyancy control for 4300m3 storage tank
Due to increasing volumes of storm and wastewater impacting Yorkshire Water’s existing assets, a new storage tank was required to increase capacity at the wastewater treatment works. Aligning with commitments to reducing embodied carbon, constructing the tank entirely from concrete was not the preferred option; HDPE pipes were chosen, which also
FP McCann Universal Shafts & VacuFlush for Glasgow Infrastructure Project
FP McCann has supplied universal shaft segment components for the construction of two 25m diameter storage tanks as part of the £250m Elmvale Row Flood Alleviation Scheme, for Scottish Water by main contractor Amey Black and Veatch. The tanks, to a depth of 18m, will together provide an additional 13,500 cubic metres of stormwater storage in the
Locking, replacement stop-tap box lids
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Locking, replacement stop-tap box lids are a simple, cost-effect solution for the replacement of damaged stop tap box lids. They offer extra security, particularly in areas prone to vandalism. FT Pipeline Systems manufacturers locking stop-tap box lids in over 450 shapes and sizes. The product features a cast iron lid that locks into position- PRODUCT
- FT Pipeline Systems

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