MARSHALLS CPM

MELLS ROAD
MELLS
FROME
SOMERSET BA11 3PD

Tel: 01179 814 500
Fax: 01179 814 511

Company Logo

Suppliers of: Precast Concrete Pipes, precast Concrete Drainage Pipes, PAS 68, precast concrete manhole covers, precast concrete retaining walls, precast concrete gullies concrete inspection chambers precast concrete stormwater drainage concrete pipes concrete drainag

Marshalls CPM produces a wide range of of precast products including Redi-Rock retaining walls, concrete drainage, specialist bespoke precast, rail products and environmental solutions. We also have a range of PAS 68 approved anti-terror bollards and barriers ask about the Redi-Rock pas 68 approved barriers.

Marshalls CPM is a precast concrete business with a difference. Innovation and diversification is the key to our success.

Useful resources:

Our Main areas of activity include:

 

Precast Concrete Drainage Products:

Marshalls CPM drainage products are manufactured to comply with current national and European standards and specifications.

  • Pipes
  • Sealed manhole sytems
  • Traditional manholes
  • Caissons
  • House Inspection Chambers
  • Box Culverts
  • Gullies

Precast Concrete Retaining Walls:

Redi-Rock™ Retaining Wall system is partially manufactured from recycled materials to provide a sustainable solution for a wide range of landscaping applications. We offer a full design and installation service if required and can also supply gabion facing blocks and reinforced panels.

  • Redi-Rock™ retaining walls
  • Redi-Rock™ free standing walls
  • Redi-Rock™ reinforced walls
  • Redi-Rock™ flood protection walls
  • Redi-Rock™ landscaping walls
  • Redi-Rock™ vehicle security barriers
  • Redi-Rock™ flood walls

Specialist Precast Concrete Products:

Our Specialist Precast division has an enviable reputation for service and technical expertise. From design through to manufacture we concentrate on producing high quality structural and non-structural elements, which provide best value for our clients.

  • Special cover slabs
  • Bespoke Precast products
  • Bollards
  • Head Walls
  • Flat Pack Chamber Systems
  • Waste Management

Waste Management Precast Concrete Products:

Our commitment to sustainable solutions also extends to products for waste management. All products are manufactured using recycled material where possible.

  • Ground Heat Exchangers
  • Wastewater management
  • Stormwater management
  • Flood protection

Rail Products

Marshalls CPM manufacture precast concrete signal bases, modular retaining walls, bridge components, bank revetments and bomac beams as well as a large range of precast concrete bespoke products.

  • Bomac Beams
  • Redi-Rock™ for Rail

Precast Concrete Off-site Solutions:

In line with our continuing process of innovation and product development, Marshalls CPM can now offer a diverse range of off-site solutions. The construction industry’s demand for fast, efficient, modular systems has been met with a range of services to provide products which are designed, engineered and manufactured off-site under factory conditions.

  • Preformed manholes
  • Modular Tank Systems
  • Flow Control Systems
  • Pumping Stations
  • Direct Access Pipe Systems
ACCESS BOXES Pole Housing Combined Pole Boxes
ACCESS CHAMBERS Precast Concrete .
ACCESS COVERS Concrete Precast Concrete Cover Slabs
ACCESS COVERS Concrete Precast Concrete Cover Slabs Airports
ACCESS COVERS Concrete Precast Concrete Cover Slabs Highways Agency Requirements
ACCESS COVERS Concrete Precast Concrete Cover Slabs Purpose Made Bespoke
ACCESS COVERS Concrete Precast Concrete Cover Slabs Seaports
ACCESS COVERS Concrete Precast Concrete Cover Slabs Specialist Fabricator
BLOCKS Walling Concrete Interlocking Blocks
BOLLARDS Car Park .
BOLLARDS Concrete .
BOLLARDS Concrete Chemical Class DC-4 Resistance
BOLLARDS Concrete Precast Concrete Specialist Fabricators
BOLLARDS Concrete Purpose Made Bespoke Custom Made
BOLLARDS Security .
BOLLARDS Traffic .
BOX CULVERTS . .
BOX CULVERTS Precast Concrete .
BOX CULVERTS Precast Concrete Chemical Class DC-4 Resistance
BOX CULVERTS Precast Concrete EN 14844
BOX CULVERTS Precast Concrete Purpose Made Bespoke Custom Made
BOX CULVERTS Precast Concrete Waste Water Management
BRIDGE Beams .
BRIDGE Beams Precast Concrete
CABLE Covers Precast Concrete
CABLE Covers Precast Concrete B125 Loading
CABLE Covers Precast Concrete BS 2484
CABLE Troughs Precast Concrete
CAISSON RINGS
CAISSONS Precast Concrete .
CAISSONS Shaft Sinking Systems .
CHANNEL GRATINGS Concrete .
CHANNELS Precast Concrete .
COMMUNICATION BOXES Precast Concrete .
COMMUNICATION BOXES Precast Concrete Highway Construction Details Requirements
CONCRETE WALLING Dry Laid .
CONCRETE WALLING Dry Laid Interlocking .
CONCRETE WALLING Dry Laid Modular Block Systems .
CONCRETE WALLING Dry Laid Modular Block Systems Gravity Walls
CONCRETE WALLING Dry Laid Relocatable .
CONCRETE WALLING Freestanding .
CONCRETE WALLING Freestanding Modular Systems .
CONCRETE WALLING Freestanding Relocatable .
CONCRETE WALLING Interlocking Blocks .
CULVERT Headwalls Precast Concrete
CULVERT Headwalls Specialist Fabricators
CULVERTS Precast Concrete .
DRAINAGE Castings Various .
DRAINAGE Catchpits .
DRAINAGE Catchpits Concrete
DRAINAGE Headwalls Concrete
DRAINAGE Inspection Chambers .
DRAINAGE Inspection Covers .
DRAINAGE Rainwater .
DRAINAGE Road Drainage
DRAINAGE Silt Trap Manholes Concrete
DRAINAGE CHANNELS Slot Systems .
DRAINAGE CHANNELS Slot Systems Precast Concrete
DRAINAGE COUPLINGS Chemical Resistant .
DRAINAGE COUPLINGS Flexible .
DRAINAGE COUPLINGS Precast Concrete .
DRAINAGE COUPLINGS Variable Bend .
DRAINAGE GULLIES .
DRAINAGE PIPES See Also UNDERGROUND DRAINAGE PIPES: SOIL PIPES: or RAINWATER PIPES:
DRAINAGE SUDS See Also SUSTAINABLE URBAN DRAINAGE SYSTEMS (SUDS) .
DUCT COVERS/FRAMES Precast Concrete Exterior
DUCT COVERS/FRAMES Precast Concrete Purpose Made
DUCTING Exterior Services .
DUCTING Precast Concrete .
EARTH TUBES
FABRICATIONS Precast Concrete .
FLOOD DEFENCE SYSTEMS Demountable .
FLOOD DEFENCE SYSTEMS Demountable Freestanding Interlocking Concrete Blocks
FLOOD DEFENCE SYSTEMS Flood Walls / Walling .
FLOOD DEFENCE SYSTEMS Flood Walls / Walling Freestanding Interlocking Concrete Blocks
FLOOD DEFENCE SYSTEMS Permanent .
FLOOD DEFENCE SYSTEMS Temporary .
FLOOD PROTECTION .See Also FLOOD DEFENSE SYSTEMS: .
FLOW CONTROL CHAMBERS Precast Concrete OSM Offsite Manufacture
FORECOURT Interceptor Tanks Fuel Oil
GROUND SOURCE HEATING AND COOLING Ground to Air Heat Exchangers .
GROUND SOURCE HEATING AND COOLING Ground to Air Heat Exchangers Earth Tubes
GROUND SOURCE HEATING AND COOLING Ground to Air Heat Exchangers Pre-Heating/Pre-Cooling Ventilation Air
GULLIES Bottle .
GULLIES High Capacity .
GULLIES Overflow .
GULLIES Precast Concrete .
GULLIES Precast Concrete Adaptors
GULLIES Precast Concrete BS 5911 Part 230
GULLIES Precast Concrete BS 5911-6:2004 Kitemarked
GULLIES Precast Concrete BS 5911-6:2010
GULLIES Precast Concrete Road
GULLIES Resin Concrete .
GULLIES Specialist Gully Fabricators .
GULLIES Street/Road .
GULLIES Underground Concrete .
GULLIES Water Sealed .
GULLIES Yard .
GULLIES Yard Paved Area
GULLY COVERS Cover Slabs BS 5911-6:2004 .
GULLY POTS Concrete .
INSPECTION CHAMBERS ADS .
INSPECTION CHAMBERS AGREMENT CERTIFICATE HOLDERS .
INSPECTION CHAMBERS Base Only .
INSPECTION CHAMBERS BS 1247 Part 2 .
INSPECTION CHAMBERS BS 5911 1982 Part 2 .
INSPECTION CHAMBERS BS 5911 1982 Part 2 Kitemark .
INSPECTION CHAMBERS BS 7158 2001 .
INSPECTION CHAMBERS BS 8301 1985 .
INSPECTION CHAMBERS BS EN 1917 2002 .
INSPECTION CHAMBERS Complete System .
INSPECTION CHAMBERS Covers .See Also MANHOLE COVERS: and ACCESS COVERS:
INSPECTION CHAMBERS Covers and Frames .See Also MANHOLE COVERS (FRAME INCLUDED)
INSPECTION CHAMBERS Deep .
INSPECTION CHAMBERS Drainage .
INSPECTION CHAMBERS Non-Man Entry .
INSPECTION CHAMBERS Precast Concrete .
INSPECTION CHAMBERS Precast Concrete BS 5911 Part 1
INSPECTION CHAMBERS Precast Concrete BS 5911 Part 2
INSPECTION CHAMBERS Precast Concrete BS 5911 Part 2 Kitemarked
INSPECTION CHAMBERS Precast Concrete BS 5911 Part 200
INSPECTION CHAMBERS Precast Concrete BS 5911-4:2002
INSPECTION CHAMBERS Precast Concrete BS EN 1917:2002
INSPECTION CHAMBERS Precast Concrete Flat Pack Chamber Systems
INSPECTION CHAMBERS Precast Concrete Flat Pack Chamber Systems Purpose Made Bespoke
INSPECTION CHAMBERS Precast Concrete House Inspection Chambers
INSPECTION CHAMBERS Precast Concrete Sectional
INSPECTION CHAMBERS Purpose Made Bespoke .
INTERCEPTOR TANKS . .
LAND DRAINAGE PIPES BS 5911:Part 110 .
LANDFILL Engineering .
LANDFILL Precast Concrete Shafts Landfill Shaft Secions
LANDFILL Precast Concrete Shafts Leachate Monitoring and Extraction Systems
LANDFILL Precast Concrete Shafts Waste Management Systems
LANDFILL Site Construction .
LEVEL CROSSING BEAMS
MANHOLE BASE UNITS BS EN 1917:2002 Kitemarked .
MANHOLE BASE UNITS Monolithic Precast Concrete .
MANHOLE BASE UNITS Monolithic Precast Concrete Purpose Made
MANHOLE CONSTRUCTION BOXES
MANHOLE COVERS Adjusting Pieces .
MANHOLE COVERS Precast Concrete Adjusting Units
MANHOLE COVERS Precast Concrete BS EN 1917:2002 Kitemarked
MANHOLE COVERS Precast Concrete Cover Slabs
MANHOLE COVERS Precast Concrete Purpose Made
MANHOLE COVERS (FRAME INCLUDED) Concrete .
MANHOLE COVERS (FRAME INCLUDED) Concrete BS 5911-3:2002
MANHOLE DEMARCATION CHAMBERS Precast Concrete .
MANHOLE DEMARCATION CHAMBERS Precast Concrete BS 5911-4:2002
MANHOLE DEMARCATION CHAMBERS Precast Concrete BS EN 1917:2002
MANHOLE FABRICATORS
MANHOLE LADDER SYSTEMS
MANHOLE LADDER SYSTEMS BS EN 13101:2002 .
MANHOLE LADDER SYSTEMS BS EN 14396:2004 .
MANHOLE LADDER SYSTEMS Pre-Fitted Rungs .
MANHOLE LANDING SLABS Precast Concrete .
MANHOLE LOADING SLABS BS EN 1917:2002 Kitemarked .
MANHOLE REDUCING SLABS Precast Concrete .
MANHOLE SEATING RINGS Precast Concrete .
MANHOLE SEATING RINGS Precast Concrete BS 5911-3:2010 .
MANHOLE SEATING RINGS Precast Concrete Corbel Slabs .
MANHOLE SEATING RINGS Precast Concrete Lothian Seating Slabs Scottish Water Services Specification
MANHOLE SECTIONS Caisson Sinking System .
MANHOLE SECTIONS Concrete .
MANHOLE SECTIONS Concrete AGREMENT CERTIFICATE HOLDERS
MANHOLE SECTIONS Concrete BS 5911 Part 200
MANHOLE SECTIONS Concrete BS 5911-3:2002
MANHOLE SECTIONS Concrete BS 5911-3:2010
MANHOLE SECTIONS Concrete BS 5911:1989 Part 200 Kitemarked
MANHOLE SECTIONS Concrete BS EN 1917:2002
MANHOLE SECTIONS Concrete BS EN 1917:2002 Kitemarked
MANHOLE SECTIONS Concrete Catchpit/Silt Trap Chamber Systems
MANHOLE SECTIONS Concrete Catchpit/Silt Trap Chamber Systems BS 5911-3:2010
MANHOLE SECTIONS Concrete Catchpit/Silt Trap Chamber Systems BS EN 1917: 2002
MANHOLE SECTIONS Concrete Cover Slabs
MANHOLE SECTIONS Concrete Large Diameter
MANHOLE SECTIONS Concrete Purpose Made
MANHOLE SECTIONS Concrete Rectangular
MANHOLE SECTIONS Concrete Soakaway Units SUDS
MANHOLE SECTIONS Concrete Steps Incorporated
MANHOLE SECTIONS Concrete WRc Approved
MANHOLE SHUTTERS
MANHOLE SURGE FLUSHING SYSTEMS
MANHOLE UNITS Fabricators .
MANHOLE UNITS Precast Concrete BS EN 1917:2002/BS 5911-3:2002
MANHOLE UNITS Precast Concrete BS EN 1917:2002/BS 5911-3:2002 Kitemarked
MANHOLE UNITS Precast Concrete Purpose Made
MANHOLE UNITS Precast Concrete Rectangular
MANHOLE UNITS Precast Concrete Sealed Manhole Systems
MANHOLE UNITS Precast Concrete Shaft Units BS EN 681-1 Type WC
MANHOLE UNITS Precast Concrete Side Entry
MANHOLE UNITS Reduced Access System .
MANHOLES OSM Offsite Manufacture Precast Concrete
MANHOLES Sealed Manhole Systems Precast Concrete
MANHOLES Step Irons Incorporated .
MANHOLES Traditional Manholes Precast Concrete
MONUMENTAL FOUNDATIONS Monument Supports .
OIL SEPARATORS BS EN 858-1-2 .
OIL SEPARATORS Bypass Separators .
OIL SEPARATORS Petrol Filling Stations Garage Forecourt
OIL SEPARATORS Washdown and Silt Separators .
PIPE CONNECTORS Lateral Pipe Connections to Concrete Structures .
PIPE COUPLINGS .
PIPES Concrete .
PIPES Flexible .
PIPES Precast Concrete See Also UNDERGROUND DRAINAGE PIPES: Concrete
PRECAST CONCRETE Frames .
PRECAST CONCRETE Products .
PRECAST CONCRETE Purpose Made Bespoke Products .
PRECAST CONCRETE Specialist Components .
PUMPING STATIONS Complete Systems .
PUMPING STATIONS Effluent Sewage Foul Water
PUMPING STATIONS Purpose Made Bespoke Custom Built .
PUMPING STATIONS Purpose Made Bespoke Custom Built OSM Offsite Manufacture
RAILWAY CROSSINGS Crossing Bearers .
RAILWAY CROSSINGS Level Crossings Bomac Beams / Edge Beams
RAILWAY LINE Protective Walling Modular Block Concrete Walling
RAILWAY PLATFORM Extensions Station Extensions
RAILWAY PLATFORM Platform Products .
RAILWAY SIGNALS Signal Bases Precast Concrete
RAINWATER HARVESTING Systems .
RAINWATER HARVESTING Tanks .
RAINWATER HARVESTING Tanks Below Ground
RAINWATER HARVESTING Tanks BS EN 1916/1917: 2002 Kitemarked
RAINWATER MANAGEMENT SYSTEMS Attenuation Systems Commercial
RAINWATER MANAGEMENT SYSTEMS Attenuation Systems Industrial
RAINWATER MANAGEMENT SYSTEMS Commercial .
RAINWATER MANAGEMENT SYSTEMS Industrial .
RAINWATER RECYCLING SYSTEMS Rainwater Harvesting .
RETAINING STRUCTURES Structural Precast Concrete .
RETAINING WALL Blocks .
RETAINING WALL Blocks Concrete
RETAINING WALL Panels Precast Concrete
RETAINING WALL Units Concrete
RETAINING WALLS AGREMENT CERTIFICATE HOLDERS .
RETAINING WALLS Blast Walls .
RETAINING WALLS Bridge Abutments .
RETAINING WALLS Building Modules In-Situ Concrete
RETAINING WALLS Culverts .
RETAINING WALLS Dry Build Dry Stack .
RETAINING WALLS Embankments .
RETAINING WALLS Engineered Concrete Blocks .
RETAINING WALLS Flood Protection Systems .
RETAINING WALLS Flood Storage Planes .
RETAINING WALLS Freestanding .
RETAINING WALLS Gabion Faces .
RETAINING WALLS Harbour Walls .
RETAINING WALLS Heavy Duty .
RETAINING WALLS Interlocking Concrete Blocks .
RETAINING WALLS Interlocking Masonry .
RETAINING WALLS Landscaping Walls .
RETAINING WALLS Modular Blocks .
RETAINING WALLS Modular Blocks HAPAS AGREMENT CERTIFICATE HOLDERS
RETAINING WALLS Natural Stone Appearance .
RETAINING WALLS Precast Concrete .
RETAINING WALLS Precast Concrete Units .
RETAINING WALLS Precast Concrete Units BS 8110
RETAINING WALLS Precast Concrete Units Demountable
RETAINING WALLS Precast Concrete Units L Shaped
RETAINING WALLS Precast Concrete Units Modular
RETAINING WALLS Precast Concrete Units Severe Exposure BS 5400 Part 4
RETAINING WALLS Precast Concrete Units Severe Exposure BS 8110 Part 1
RETAINING WALLS Reinforced Soil .
RETAINING WALLS Reinforced Walls .
RETAINING WALLS Relocatable .
RETAINING WALLS Reservoirs .
RETAINING WALLS River Bank Walls .
RETAINING WALLS Sea Defence Walls .
RETAINING WALLS Security Walls .
RETAINING WALLS Security Walls PAS 68:2007
RETAINING WALLS Split Faced .
RETAINING WALLS Square Faced .
RETAINING WALLS Variable Angle .
RETAINING WALLS Vehicle Security Barriers HVM (Hostile Vehicle Mitigation) Systems
RETAINING WALLS Waterways .
ROAD GULLIES Precast Concrete .
ROAD GULLIES Precast Concrete BS 5911
SEA DEFENCE WALLS Precast Concrete Units .
SECURITY BARRIERS Concrete .
SECURITY SYSTEMS Perimeter Protection Systems .
SEDIMENT Silt Interceptors
SEPARATOR TANKS Fuel Oil .
SEPARATORS Alarmed .
SEPARATORS Bypass BS EN 858-1 and 2:2002
SEPARATORS Bypass Class I
SEPARATORS Full Retention Class I
SEPARATORS Full Retention Forecourt
SEPARATORS Sediment Silt
SEPARATORS Washdown .
SEPTIC TANKS Domestic EN 12566
SERVICE CONDUITS Precast Concrete Sections .
SEWAGE Sump Chambers .
SEWAGE Valve Chambers .
SEWAGE PIPES . .
SEWAGE PIPES BS 5911-1:2002 Kitemarked .
SEWAGE PIPES BS EN 1916:2002 .
SEWAGE PIPES Ovoid Flexible Jointed .
SEWAGE PIPES Precast Concrete .
SEWAGE PIPES Precast Concrete BS 5911 .
SEWAGE TREATMENT EN 12566 Part 3 .
SHAFTS Precast Concrete .
SOAKAWAY Fabricators .
SOAKAWAYS Modular .
SOAKAWAYS Precast Concrete Units .
SOAKAWAYS Segmental .
SPILLWAY SYSTEMS Spillway Headwalls Precast Concrete
SPILLWAY SYSTEMS Spillway Outfalls Precast Concrete
STADIUM TERRACING Stadia Terraces Precast Concrete .
STAIRCASES Concrete .
STAIRCASES Precast Concrete .
STAIRCASES Precast Concrete Landing Combined
STAIRCASES Precast Concrete Purpose Made Bespoke and Custom Designs
STAIRCASES Prefabricated Precast Concrete
STATION PLATFORMS Concrete .
STORMWATER Attenuation .
STORMWATER Attenuation Tanks .
STORMWATER Balancing Systems .
STORMWATER Drainage .
STORMWATER Drainage SUDS Best Practice .
STORMWATER Filter Units .
STORMWATER Flow Controls .
STORMWATER Flow Controls Flow Control Chambers
STORMWATER Hydrodynamic Separators .
STORMWATER Management Systems .
STORMWATER Management Systems Domestic
STORMWATER Non-Return Flap Valve Chambers .
STORMWATER Overflow Chambers .
STORMWATER Penstock Chambers .
STORMWATER Reinfiltration .
STORMWATER Separation Chambers Oil Separators
STORMWATER Split Wall Chambers .
STORMWATER Storage .
STORMWATER Storage Attenuation Systems .
STORMWATER Storage Soakaways .
STORMWATER Sustainable Storage Systems Below Ground SUDS
STORMWATER Treatment Systems .
STORMWATER Weir Wall Chambers .
STORMWATER Weir Wall Chambers .
SURFACE BOXES Heavy BS 5834
SURFACE WATER MANAGEMENT . See Also RAINWATER MANAGEMENT and STORMWATER:
TANKS Precast Concrete .
TANKS Precast Concrete Modular Tanks Purpose Made Bespoke
TERRACE Units Precast Concrete
UNDERGROUND DRAINAGE . .
UNDERGROUND DRAINAGE Gullies .
UNDERGROUND DRAINAGE Gullies Concrete .
UNDERGROUND DRAINAGE Gullies Trapped .
UNDERGROUND DRAINAGE Gullies Trapped BS 5911 Part 230 Kitemarked .
UNDERGROUND DRAINAGE Inspection Chambers .
UNDERGROUND DRAINAGE Manhole Channel .
UNDERGROUND DRAINAGE PIPES . .
UNDERGROUND DRAINAGE PIPES Flexible Joints .
UNDERGROUND DRAINAGE PIPES Highway Drainage:Precast Concrete .
UNDERGROUND DRAINAGE PIPES Inspection Pipes .
UNDERGROUND DRAINAGE PIPES Land Drainage See Also LAND DRAINAGE PIPES:
UNDERGROUND DRAINAGE PIPES Precast Concrete .
UNDERGROUND DRAINAGE PIPES Precast Concrete BS 5911
UNDERGROUND DRAINAGE PIPES Precast Concrete BS 5911-1:2002
UNDERGROUND DRAINAGE PIPES Precast Concrete BS 5911:1988 Part 100 Kitemarked
UNDERGROUND DRAINAGE PIPES Precast Concrete BS EN 1916:2002
UNDERGROUND DRAINAGE PIPES Precast Concrete Direct Access Pipe Systems Large Diameter Pipes
UNDERGROUND DRAINAGE PIPES Precast Concrete Direct Access Pipe Systems OSM Offsite Manufacture
UNDERGROUND DRAINAGE PIPES Precast Concrete Flexible Jointed
UNDERGROUND DRAINAGE PIPES Precast Concrete Handling and Lifting Systems
UNDERGROUND DRAINAGE PIPES Precast Concrete Junction Tumbling Bays
UNDERGROUND DRAINAGE PIPES Precast Concrete Junctions BS EN1916:2002 / BS5911-1:2002
UNDERGROUND DRAINAGE PIPES Precast Concrete Ogee
UNDERGROUND DRAINAGE PIPES Precast Concrete Ogee Jointed DN 225
UNDERGROUND DRAINAGE PIPES Precast Concrete Ogee Jointed DN 600
UNDERGROUND DRAINAGE PIPES Precast Concrete Ovoid
UNDERGROUND DRAINAGE PIPES Precast Concrete Polygonal bend
UNDERGROUND DRAINAGE PIPES Precast Concrete Polygonal bend BS EN1916:2002 / BS5911-1:2002
UNDERGROUND DRAINAGE PIPES Precast Concrete Rocker BS EN1916:2002 / BS5911-1:2002
UNDERGROUND DRAINAGE PIPES Precast Concrete Short Length BS EN1916:2002 / BS5911-1:2002
WALLING Systems Freestanding Interlocking Blocks
WALLING Systems Modular Interlocking Concrete Blocks
WASTEWATER Greywater Recycling Commercial and Industrial Systems
WASTEWATER Greywater Recycling Domestic Systems
WATERWAY Revetments .
WET WELLS
DOWNSTREAM DEFENDER Stormwater Management
ENSIGN Sewage Treatment Plants
FIRST DEFENCE Storm Water Management
FLEXILIFT Pipe Handling System
FREYLIT Oil Separator
HYDRO-BRAKE Stormwater Control
HYDRO-BRAKE OPTIMUM Stormwater Management
MACALLOY Pile Cap Casting
MARSHALLS CPM BIOFILTER Stormwater Management
OASIS Water Recycling
PENSTOCK Stormwater Control
PERFECT MANHOLE Manhole System
POLYLOK Septic Tanks
READY SUMP Pumping Stations
READY VALVE CHAMBER Flow Control Chambers
REDI ROCK Walling Systems
REDI-ROCK Protective Walling for Railway Lines
REDI-ROCK Flood Walls
REDI-ROCK Vehicle Security Barriers
REDI-ROCK Modular Retaining Wall
REDI-ROCK Reinforced Walls
REDI-ROCK Freestanding Walls
REDI-ROCK Retaining Walls
REDI-ROCK Flood Protection Walls
REDI-ROCK FORCE Security Walling System
REDI-ROCK LEDGESTONE Retaining Walls
STEPSAFE Railway Platform Extension
T-T READY SUMP Sump Chambers
UNI-GEM Septic Tanks
UP-FLO Stormwater Control

Redi-Rock walling used for rebuild needing speed of installation

January 2020

The need for speed was required for the replacement of a retaining wall and platform following station damage at Moston Station, on the outskirts of Manchester.

In 2015, a 50m section of platform 2 was heavily damaged when loose equipment from a passing freight train smashed into it. The damaged area was closed off and Network Rail design engineer, Alex Evans, took advantage to bring the Victorian station’s platform up to modern standards, began plans for a rebuild.

With train operating company, Northern Rail (a key stakeholder) expecting to run longer trains through the station from April 2019, the rebuild team had to come up with a solution which could be undertaken at speed. This meant scrapping the initial design by external consultants in favour of a scheme that avoided much of the track possession they had proposed.

“The old design was all possession work. The plans were to excavate down right next to the track and cast a strip footing continuously all the way down,” says Mr Evans. Situated within a 9m deep soil cutting; the original platform of Moston Station was a concrete structure that retained a granular fill. It incorporated an old brick retaining wall at the rear, which used to retain the cutting slope behind it. Network Rail’s in-house civil engineering team were tasked with redesigning and building the area in a short, eight-month programme. Their design and construction method centered on removing the need to use the track for plant.

Mr Evans explained: “Normally, the traditional method of construction would mean transporting material via the railway, this means the railway needs to be closed so working hours are restricted to midweek nights and Saturday evenings, which for this area would mean around six hours per shift. The access pointed for the plant is more than 1.6km away and the speed limit is 8km/h, so once a machine had got onto the railway and made its way to the site, an hour would have been lost. This would have reduced the working time to around four hours per shift.

The new design meant that most of the work could be undertaken while the railway was open, with the new platform construction excavating the toe of the cutting to create room for a new platform and replacing the old brick retaining with a new precast concrete one. Mr Evans added, “There were some possessions for some elements of the work but these activities were achievable in the possession windows, whereas the alternative design was more complicated as it involved significant temporary
work, which posed a risk to track quality and were time-consuming.”

Network Rail overcame the problem of where to place the construction equipment serving the site by undertaking an analysis of the stability of the cutting’s slope, which showed that it would be stable during construction while the toe was removed and the Marshalls CPM Redi-Rock retaining wall installed.

Network Rail works delivery civils senior design engineer Pip Stokes explains: “The original design was based on the track and doing things from there, whereas our innovation was to do some slope stability calculations to prove that plant could work mid slope. The team looked at a flat section of the slope where machines could potentially sit, with calculations showing that it could hold the machinery.

Installation of interlocking precast concrete Redi-Rock blocks from Marshalls CPM retained the slope giving a mass gravity retaining wall.

Mr Evans added, “There are some possessions for some elements of the work but these activities were achievable in the possession windows, whereas the alternative design was more complicated as it involved significant temporary work, which posed a risk to track quality and were time-consuming.”

Mr Evans said; “The existing retaining wall at the rear of the platform retained the toe of the cutting. We proposed removing the retained material to the rear of the wall before deconstructing the wall; this was an example of making sure we removed the lateral pressure on the wall without undermining it. The construction sequence was considered
throughout.”

Network Rail’s in-house civil engineering team, avoided the need for a lengthy procurement process and undertook the construction work. Network Rail works delivery programme manager Ben Campbell said: “One big programme saving was in procurement time. Appointing an external designer and an external contractor as a rule of thumb would have maybe taken two months each. So even if the designer had come up with exactly the same solution to ours and the deliverer had worked in exactly the same way as out in-house delivery had worked, you could add an extra four months to the programme.”

“The other advantage was that when the design was 95% finished in terms of effort, we were able to issue drawings to our deliverers in a way that we would not be able to if we were an external designers or they were an external deliverer. We were able to show them under the covers before we would otherwise, and the advantage of that was that they could do detailed planning on the delivery side earlier and book possessions and book long lead items.”

The project has been completed, on both time and on budget. Mr Evans said; “This project meant so much to me as it showed what we can achieve when design and delivery work hand-in-hand and support each other through the process.”

For more information please visit https://www.cpm-group.com/products/retaining-walls/ or email redi-rock@marshalls.co.uk

Is Redi-Rock more than just a concrete block?

January 2020

Come see for yourself at Highways UK and Holiday Park Innovation Show next week at the NEC in Birmingham on the 6/7 November, where our Redi-Rock modular walling will be on show.

John O’Gara will be at the Highways Show in Hall 9 on stand G21 with our Cobblestone walling and Steve Callow will be at the Holiday Park Innovation Show in Hall 19, stand H1610 with our Ledgestone Walling. For more information please visit https://lnkd.in/dmnhSTT or https://lnkd.in/dpKQv4N

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