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RSFA11F Rectangular Precast Headwalls are Sewers for Adoption compliant precast concrete headwalls for outfalls discharging into ponds, swales, ditches beaches and rivers. RSFA precast headwalls come with the option of two thicknesses of toe, 300mm and 500mm, each of which is available in three depths. 

Althon RSFA11F rectangular precast headwalls have horizontal wingwalls and are suitable for use with plastic or clay pipework up to 225mm.

Althon RSFA11F precast headwall units can be pre-fitted with a range of accessories such as flap valves, penstocks, Kee Klamp® handrails and a selection of gratings depending on the application.

Our RSFA11F precast headwalls are manufactured in accordance with Severn Trent Water Standard detail STD6002

All RSFA Headwalls are cast with the opening in the back wall to suit the size and type of pipe being used at the invert level required.

The RSFA11F headwall weighs 1245kg

If you require any assistance or more information please contact us by phone on 01603 488700 or by email sales@althon.co.uk

RSFA11F Rectangular Headwall line drawing
Product Name
Max Pipe Opening PCC
Max Pipe Opening Plastic / C'ware
Backwall Height
Approx Headwall Weight (kg)
RSFA11F Rectangular Headwall
225
225
775
1245

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    RSFA11F Rectangular Headwall + Sfa1 300 Outfall Safety Grille

    RSFA11F Rectangular Headwall + Close Coupled Grating

    RSFA11F Rectangular Headwall + Sloped Grating

    RSFA11F Rectangular Headwall + 3 Sided Kee Klamp

    RSFA11F Rectangular Headwall + 3 Sided Kee Klamp + Sfa1 300 Outfall Safety Grille

    RSFA11F Rectangular Headwall + Close Coupled Grating + 3 Sided Kee Klamp

    RSFA11F Rectangular Headwall + Sloped Grating + 3 Sided Kee Klamp

    RSFA11F Rectangular Headwall + Backwall Kee Klamp

    RSFA11F Rectangular Headwall + Backwall Kee Klamp + Sfa1 300 Outfall Safety Grille

    RSFA11F Rectangular Headwall + Close Coupled Grating + Backwall Kee Klamp

    RSFA11F Rectangular Headwall + Sloped Grating + Backwall Kee Klamp

    RSFA11F Rectangular Headwall + 100mm Flap Valve

    RSFA11F Rectangular Headwall + 100mm Flap Valve + 3 Sided Kee Klamp

    RSFA11F Rectangular Headwall + 100mm Flap Valve + Backwall Kee Klamp

    RSFA11F Rectangular Headwall + 150mm Flap Valve

    RSFA11F Rectangular Headwall + 150mm Flap Valve + 3 Sided Kee Klamp

    RSFA11F Rectangular Headwall + 150mm Flap Valve + Backwall Kee Klamp

    RSFA11F Rectangular Headwall + 250mm Flap Valve

    RSFA11F Rectangular Headwall + 250mm Flap Valve + 3 Sided Kee Klamp

    RSFA11F Rectangular Headwall + 250mm Flap Valve + Backwall Kee Klamp

    RSFA11F Rectangular Headwall + 300mm Flap Valve

    RSFA11F Rectangular Headwall + 300mm Flap Valve + 3 Sided Kee Klamp

    RSFA11F Rectangular Headwall + 300mm Flap Valve + Backwall Kee Klamp

    RSFA11F Rectangular Headwall + 400 x 300mm Toe

     

    BIM Objects

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    You can select multiple files below to be added to a single zip file, your selections will be retained across different Headwalls

    RSFA11F Rectangular Headwall - 150mm ID pipe - 225mm Invert Level

    Example Render

    RSFA11F Rectangular Headwall - 150mm ID pipe - 225mm Invert Level render

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    COBie Parameters

    Parameter Name Parameter Value
    NamePrecastConcreteHeadwall_RSFA11F_150mmIDPipe_225mmIL_AlthonLimited
    CreatedBydrawings@althon.co.uk
    CreatedOn2019-05-06T08:30:00
    Categoryn/a
    DescriptionPrecast Concrete Headwall
    AssetTypeFixed
    Manufacturersales@althon.co.uk
    ModelNumberRSFA11F
    WarrantyGuarantorPartssales@althon.co.uk
    WarrantyDurationPartsn/a
    WarrantyGuarantorLaborn/a
    WarrantyDurationLaborn/a
    WarrantyDurationUnityear
    ReplacementCostn/a
    ExpectedLife>100
    DurationUnityear
    WarrantyDescriptionn/a
    NominalLength1050
    NominalWidth1300
    NominalHeight775
    ModelReferencePrecast Concrete Headwall
    Shapen/a
    Size1050 x 1300 x 775
    ColourLight Grey
    FinishSteel mould concrete finish
    Graden/a
    MaterialConcrete
    Constituentsn/a
    FeaturesLifting points cast into headwall
    AccessibilityPerformancen/a
    CodePerformanceBS EN 15258:2008
    SustainabilityPerformancen/a

    Althon_General Parameters

    Parameter Name Parameter Value
    AuthorAlthon Limited
    BIMObjectNameAlthonLimited_PrecastConcreteHeadwall_RSFA11F_150mmIDPipe_225mmIL
    Version1
    LastUpdated2019-05-06T08:30:00
    ADSKCompatible2X3
    RevitCompatible2018 +
    ManufactureNameAlthon Limited
    ManufacturerURLwww.althon.co.uk
    NBSDescriptionPrecast concrete headwall unit
    NBSNoten/a
    NBSOfficeMasterTagn/a
    NBSReference45-25-40/305
    NBSTypeIDn/a
    DocumentationLiteraturehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationInstallationGuidehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationTechnicalhttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationCertificatesOn request
    Uniclass2015codePr_20_93_37_65
    Uniclass2015TitlePrecast concrete headwall units
    Uniclass2015VersionProducts v1.13
    AlthonGeneralNotesWe can cast multiple pipe opening, elliptical, square or rectangular culvert openings into any of our headwalls. We can also cast pipe openings into the wing walls of our headwalls.
    AlthonHeadwallInstallationUnits should be bedded on minimum 200mm thick well compacted Class 6A* selected well graded granular material. *Manual of contract documents for Highway Works: Volume (MCHW1) specification for Highway Works, Series 600 (Nov.09). Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
    AlthonHandlingA. Weight of concrete is based on 2.4 tonne/m³+5% is recommended for sizing lifting equipment B. All lifting points shall be used as specified below C. Unit to be lifted as per lifting diagram
    AlthonConcreteA. Mix ref: Self-compacting DC4/DS4 Mix B. Lifting strength bases on 2 cubes = 20N/mm² C. Characteristic 28 day cube strength = 50N/mm² D. Concrete provides Design Chemical Class 4 (DC4) to special Digest1, Table F2
    AlthonReinforcementA. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
    AlthonManufactureA. Manufacture to BS EN 15258:2008 precast concrete products - Retaining wall elements, Factory Production Control certificate number: 0086-CPR-650448 & BS EN 13369 B. Tolerances to BS EN 13369 clause 4.3.1.1 C. Finishing Top: Class A Sides: Class A Base: Class A Rear of back wall: Self-Levelled D. Marking: Units shall be indelibly marked to show: mould reference code De-mould date Job reference number and unique product number unit weight (kg)
    AlthonDesignA. Concrete design to EC2 B. Althon have designed the concrete units only, the site conditions should be assessed for suitability by the scheme designer C. Units are designed to withstand a vertical live load surcharge of 10kN/M² D. Weight of soil - 18kN/M² E. Angle of internal friction = 30 Deg. F. Design Life: >100 years Cover Block Size (mm): All Faces 55 Min Cover Size (mm): All Faces 55 Max Cover Size (mm): All Faces 60 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD3 Freeze/thaw attack: XF4 Chemical attack: XA3
    AlthonFabricationA. Manufacture IAW EN 1090-2 EXC CLASS 1 B. Material grade is to be: BS EN 10025 S275 C. Welding carried out IAW EN 1090-2 PARA 7.5.4 - 7.5.18 D. All fillet and butt welds to have a minimum throat thickness of 6mm & joints to be fully welded where possible. E. Ensure vertical flats are fully welded both sides where possible. F. All sharp edges and burrs are to be removed. G. Remove all weld splatter. H. Holes by punching are permitted with reaming. I. Galvanising is carried out after fabrication to BS EN:ISO 1461
    AlthonSpecificationInformationA. Kee Klamp® Galvanised Size 8 Fittings B. Size 8 48.3mm OD 3.2mm Wall Thickness Galvanised Medium Duty Tube to BS EN 10255 C. 360N/m Design Load at stated in BS 8118, BS 6180, BS 6399 & BS 7818, Civil Engineering Specification for the Water Industry (CESWI) 7th Edition Clause 2.60 Handrails & Balusters & The Engineering Equipment and Materials Users' Association (EEMUA) Publication 105 7th Edition Factory Stairways, Ladders and Handrails D. Other design loads available on request E. GRP/FRP Handrails also available
    AlthonHeadwallMaxPipeSizeOpening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
    AlthonHandrailSpecificationMax Pipe Opening PCC = 225mm ID and Max Pipe Opening Pastic/Clayware = 225mm ID
    AlthonToeInformationOur Sewers for Adoption compliant outfall range is available with toe extensions either 300 or 500mm thick with depths ranging from 400 to 1000mm.

    Built with: Autodesk Inventor Professional 2018

    RSFA11F Rectangular Headwall - 150mm ID pipe - 225mm Invert Level + 500 x 500mm Toe

    Example Render

    RSFA11F Rectangular Headwall - 150mm ID pipe - 225mm Invert Level + 500 x 500mm Toe render

    IFC Object

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    Last Updated: May 6, 2019, 8:30 a.m.

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    ADSK Object

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    COBie Parameters

    Parameter Name Parameter Value
    NamePrecastConcreteHeadwall_RSFA11F_150mmIDPipe_225mmIL_500x500mmT_AlthonLimited
    CreatedBydrawings@althon.co.uk
    CreatedOn2019-05-06T08:30:00
    Categoryn/a
    DescriptionPrecast Concrete Headwall
    AssetTypeFixed
    Manufacturersales@althon.co.uk
    ModelNumberRSFA11F
    WarrantyGuarantorPartssales@althon.co.uk
    WarrantyDurationPartsn/a
    WarrantyGuarantorLaborn/a
    WarrantyDurationLaborn/a
    WarrantyDurationUnityear
    ReplacementCostn/a
    ExpectedLife>100
    DurationUnityear
    WarrantyDescriptionn/a
    NominalLength1050
    NominalWidth1300
    NominalHeight775
    ModelReferencePrecast Concrete Headwall
    Shapen/a
    Size1050 x 1300 x 775
    ColourLight Grey
    FinishSteel mould concrete finish
    Graden/a
    MaterialConcrete
    Constituentsn/a
    FeaturesLifting points cast into headwall
    AccessibilityPerformancen/a
    CodePerformanceBS EN 15258:2008
    SustainabilityPerformancen/a

    Althon_General Parameters

    Parameter Name Parameter Value
    AuthorAlthon Limited
    BIMObjectNameAlthonLimited_PrecastConcreteHeadwall_RSFA11F_150mmIDPipe_225mmIL_500x500mmT
    Version1
    LastUpdated2019-05-06T08:30:00
    ADSKCompatible2X3
    RevitCompatible2018 +
    ManufactureNameAlthon Limited
    ManufacturerURLwww.althon.co.uk
    NBSDescriptionPrecast concrete headwall unit
    NBSNoten/a
    NBSOfficeMasterTagn/a
    NBSReference45-25-40/305
    NBSTypeIDn/a
    DocumentationLiteraturehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationInstallationGuidehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationTechnicalhttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationCertificatesOn request
    Uniclass2015codePr_20_93_37_65
    Uniclass2015TitlePrecast concrete headwall units
    Uniclass2015VersionProducts v1.13
    AlthonGeneralNotesWe can cast multiple pipe opening, elliptical, square or rectangular culvert openings into any of our headwalls. We can also cast pipe openings into the wing walls of our headwalls.
    AlthonHeadwallInstallationUnits should be bedded on minimum 200mm thick well compacted Class 6A* selected well graded granular material. *Manual of contract documents for Highway Works: Volume (MCHW1) specification for Highway Works, Series 600 (Nov.09). Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
    AlthonHandlingA. Weight of concrete is based on 2.4 tonne/m³+5% is recommended for sizing lifting equipment B. All lifting points shall be used as specified below C. Unit to be lifted as per lifting diagram
    AlthonConcreteA. Mix ref: Self-compacting DC4/DS4 Mix B. Lifting strength bases on 2 cubes = 20N/mm² C. Characteristic 28 day cube strength = 50N/mm² D. Concrete provides Design Chemical Class 4 (DC4) to special Digest1, Table F2
    AlthonReinforcementA. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
    AlthonManufactureA. Manufacture to BS EN 15258:2008 precast concrete products - Retaining wall elements, Factory Production Control certificate number: 0086-CPR-650448 & BS EN 13369 B. Tolerances to BS EN 13369 clause 4.3.1.1 C. Finishing Top: Class A Sides: Class A Base: Class A Rear of back wall: Self-Levelled D. Marking: Units shall be indelibly marked to show: mould reference code De-mould date Job reference number and unique product number unit weight (kg)
    AlthonDesignA. Concrete design to EC2 B. Althon have designed the concrete units only, the site conditions should be assessed for suitability by the scheme designer C. Units are designed to withstand a vertical live load surcharge of 10kN/M² D. Weight of soil - 18kN/M² E. Angle of internal friction = 30 Deg. F. Design Life: >100 years Cover Block Size (mm): All Faces 55 Min Cover Size (mm): All Faces 55 Max Cover Size (mm): All Faces 60 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD3 Freeze/thaw attack: XF4 Chemical attack: XA3
    AlthonFabricationA. Manufacture IAW EN 1090-2 EXC CLASS 1 B. Material grade is to be: BS EN 10025 S275 C. Welding carried out IAW EN 1090-2 PARA 7.5.4 - 7.5.18 D. All fillet and butt welds to have a minimum throat thickness of 6mm & joints to be fully welded where possible. E. Ensure vertical flats are fully welded both sides where possible. F. All sharp edges and burrs are to be removed. G. Remove all weld splatter. H. Holes by punching are permitted with reaming. I. Galvanising is carried out after fabrication to BS EN:ISO 1461
    AlthonSpecificationInformationA. Kee Klamp® Galvanised Size 8 Fittings B. Size 8 48.3mm OD 3.2mm Wall Thickness Galvanised Medium Duty Tube to BS EN 10255 C. 360N/m Design Load at stated in BS 8118, BS 6180, BS 6399 & BS 7818, Civil Engineering Specification for the Water Industry (CESWI) 7th Edition Clause 2.60 Handrails & Balusters & The Engineering Equipment and Materials Users' Association (EEMUA) Publication 105 7th Edition Factory Stairways, Ladders and Handrails D. Other design loads available on request E. GRP/FRP Handrails also available
    AlthonHeadwallMaxPipeSizeOpening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
    AlthonHandrailSpecificationMax Pipe Opening PCC = 225mm ID and Max Pipe Opening Pastic/Clayware = 225mm ID
    AlthonToeInformationOur Sewers for Adoption compliant outfall range is available with toe extensions either 300 or 500mm thick with depths ranging from 400 to 1000mm.

    Built with: Autodesk Inventor Professional 2018

    RSFA11F Rectangular Headwall - 150mm ID pipe - 225mm Invert Level + 750 x 500mm Toe

    Example Render

    RSFA11F Rectangular Headwall - 150mm ID pipe - 225mm Invert Level + 750 x 500mm Toe render

    ADSK Object

    Version: 1
    Last Updated: May 6, 2019, 8:30 a.m.

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    IFC Object

    Version: 1
    Last Updated: May 6, 2019, 8:30 a.m.

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    RFA Object

    Version: 1
    Last Updated: May 6, 2019, 8:30 a.m.

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    COBie Parameters

    Parameter Name Parameter Value
    NamePrecastConcreteHeadwall_RSFA11F_150mmIDPipe_225mmIL_750x500mmT_AlthonLimited
    CreatedBydrawings@althon.co.uk
    CreatedOn2019-05-06T08:30:00
    Categoryn/a
    DescriptionPrecast Concrete Headwall
    AssetTypeFixed
    Manufacturersales@althon.co.uk
    ModelNumberRSFA11F
    WarrantyGuarantorPartssales@althon.co.uk
    WarrantyDurationPartsn/a
    WarrantyGuarantorLaborn/a
    WarrantyDurationLaborn/a
    WarrantyDurationUnityear
    ReplacementCostn/a
    ExpectedLife>100
    DurationUnityear
    WarrantyDescriptionn/a
    NominalLength1050
    NominalWidth1300
    NominalHeight775
    ModelReferencePrecast Concrete Headwall
    Shapen/a
    Size1050 x 1300 x 775
    ColourLight Grey
    FinishSteel mould concrete finish
    Graden/a
    MaterialConcrete
    Constituentsn/a
    FeaturesLifting points cast into headwall
    AccessibilityPerformancen/a
    CodePerformanceBS EN 15258:2008
    SustainabilityPerformancen/a

    Althon_General Parameters

    Parameter Name Parameter Value
    AuthorAlthon Limited
    BIMObjectNameAlthonLimited_PrecastConcreteHeadwall_RSFA11F_150mmIDPipe_225mmIL_750x500mmT
    Version1
    LastUpdated2019-05-06T08:30:00
    ADSKCompatible2X3
    RevitCompatible2018 +
    ManufactureNameAlthon Limited
    ManufacturerURLwww.althon.co.uk
    NBSDescriptionPrecast concrete headwall unit
    NBSNoten/a
    NBSOfficeMasterTagn/a
    NBSReference45-25-40/305
    NBSTypeIDn/a
    DocumentationLiteraturehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationInstallationGuidehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationTechnicalhttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationCertificatesOn request
    Uniclass2015codePr_20_93_37_65
    Uniclass2015TitlePrecast concrete headwall units
    Uniclass2015VersionProducts v1.13
    AlthonGeneralNotesWe can cast multiple pipe opening, elliptical, square or rectangular culvert openings into any of our headwalls. We can also cast pipe openings into the wing walls of our headwalls.
    AlthonHeadwallInstallationUnits should be bedded on minimum 200mm thick well compacted Class 6A* selected well graded granular material. *Manual of contract documents for Highway Works: Volume (MCHW1) specification for Highway Works, Series 600 (Nov.09). Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
    AlthonHandlingA. Weight of concrete is based on 2.4 tonne/m³+5% is recommended for sizing lifting equipment B. All lifting points shall be used as specified below C. Unit to be lifted as per lifting diagram
    AlthonConcreteA. Mix ref: Self-compacting DC4/DS4 Mix B. Lifting strength bases on 2 cubes = 20N/mm² C. Characteristic 28 day cube strength = 50N/mm² D. Concrete provides Design Chemical Class 4 (DC4) to special Digest1, Table F2
    AlthonReinforcementA. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
    AlthonManufactureA. Manufacture to BS EN 15258:2008 precast concrete products - Retaining wall elements, Factory Production Control certificate number: 0086-CPR-650448 & BS EN 13369 B. Tolerances to BS EN 13369 clause 4.3.1.1 C. Finishing Top: Class A Sides: Class A Base: Class A Rear of back wall: Self-Levelled D. Marking: Units shall be indelibly marked to show: mould reference code De-mould date Job reference number and unique product number unit weight (kg)
    AlthonDesignA. Concrete design to EC2 B. Althon have designed the concrete units only, the site conditions should be assessed for suitability by the scheme designer C. Units are designed to withstand a vertical live load surcharge of 10kN/M² D. Weight of soil - 18kN/M² E. Angle of internal friction = 30 Deg. F. Design Life: >100 years Cover Block Size (mm): All Faces 55 Min Cover Size (mm): All Faces 55 Max Cover Size (mm): All Faces 60 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD3 Freeze/thaw attack: XF4 Chemical attack: XA3
    AlthonFabricationA. Manufacture IAW EN 1090-2 EXC CLASS 1 B. Material grade is to be: BS EN 10025 S275 C. Welding carried out IAW EN 1090-2 PARA 7.5.4 - 7.5.18 D. All fillet and butt welds to have a minimum throat thickness of 6mm & joints to be fully welded where possible. E. Ensure vertical flats are fully welded both sides where possible. F. All sharp edges and burrs are to be removed. G. Remove all weld splatter. H. Holes by punching are permitted with reaming. I. Galvanising is carried out after fabrication to BS EN:ISO 1461
    AlthonSpecificationInformationA. Kee Klamp® Galvanised Size 8 Fittings B. Size 8 48.3mm OD 3.2mm Wall Thickness Galvanised Medium Duty Tube to BS EN 10255 C. 360N/m Design Load at stated in BS 8118, BS 6180, BS 6399 & BS 7818, Civil Engineering Specification for the Water Industry (CESWI) 7th Edition Clause 2.60 Handrails & Balusters & The Engineering Equipment and Materials Users' Association (EEMUA) Publication 105 7th Edition Factory Stairways, Ladders and Handrails D. Other design loads available on request E. GRP/FRP Handrails also available
    AlthonHeadwallMaxPipeSizeOpening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
    AlthonHandrailSpecificationMax Pipe Opening PCC = 225mm ID and Max Pipe Opening Pastic/Clayware = 225mm ID
    AlthonToeInformationOur Sewers for Adoption compliant outfall range is available with toe extensions either 300 or 500mm thick with depths ranging from 400 to 1000mm.

    Built with: Autodesk Inventor Professional 2018

    RSFA11F Rectangular Headwall - 150mm ID pipe - 225mm Invert Level + 1000 x 500mm Toe

    Example Render

    RSFA11F Rectangular Headwall - 150mm ID pipe - 225mm Invert Level + 1000 x 500mm Toe render

    IFC Object

    Version: 1
    Last Updated: May 6, 2019, 8:30 a.m.

    Download IFC Object

    ADSK Object

    Version: 1
    Last Updated: May 6, 2019, 8:30 a.m.

    Download ADSK Object

    RFA Object

    Version: 1
    Last Updated: May 6, 2019, 8:30 a.m.

    Download RFA Object

    COBie Parameters

    Parameter Name Parameter Value
    NamePrecastConcreteHeadwall_RSFA11F_150mmIDPipe_225mmIL_1000x500mmT_AlthonLimited
    CreatedBydrawings@althon.co.uk
    CreatedOn2019-05-06T08:30:00
    Categoryn/a
    DescriptionPrecast Concrete Headwall
    AssetTypeFixed
    Manufacturersales@althon.co.uk
    ModelNumberRSFA11F
    WarrantyGuarantorPartssales@althon.co.uk
    WarrantyDurationPartsn/a
    WarrantyGuarantorLaborn/a
    WarrantyDurationLaborn/a
    WarrantyDurationUnityear
    ReplacementCostn/a
    ExpectedLife>100
    DurationUnityear
    WarrantyDescriptionn/a
    NominalLength1050
    NominalWidth1300
    NominalHeight775
    ModelReferencePrecast Concrete Headwall
    Shapen/a
    Size1050 x 1300 x 775
    ColourLight Grey
    FinishSteel mould concrete finish
    Graden/a
    MaterialConcrete
    Constituentsn/a
    FeaturesLifting points cast into headwall
    AccessibilityPerformancen/a
    CodePerformanceBS EN 15258:2008
    SustainabilityPerformancen/a

    Althon_General Parameters

    Parameter Name Parameter Value
    AuthorAlthon Limited
    BIMObjectNameAlthonLimited_PrecastConcreteHeadwall_RSFA11F_150mmIDPipe_225mmIL_1000x500mmT
    Version1
    LastUpdated2019-05-06T08:30:00
    ADSKCompatible2X3
    RevitCompatible2018 +
    ManufactureNameAlthon Limited
    ManufacturerURLwww.althon.co.uk
    NBSDescriptionPrecast concrete headwall unit
    NBSNoten/a
    NBSOfficeMasterTagn/a
    NBSReference45-25-40/305
    NBSTypeIDn/a
    DocumentationLiteraturehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationInstallationGuidehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationTechnicalhttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationCertificatesOn request
    Uniclass2015codePr_20_93_37_65
    Uniclass2015TitlePrecast concrete headwall units
    Uniclass2015VersionProducts v1.13
    AlthonGeneralNotesWe can cast multiple pipe opening, elliptical, square or rectangular culvert openings into any of our headwalls. We can also cast pipe openings into the wing walls of our headwalls.
    AlthonHeadwallInstallationUnits should be bedded on minimum 200mm thick well compacted Class 6A* selected well graded granular material. *Manual of contract documents for Highway Works: Volume (MCHW1) specification for Highway Works, Series 600 (Nov.09). Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
    AlthonHandlingA. Weight of concrete is based on 2.4 tonne/m³+5% is recommended for sizing lifting equipment B. All lifting points shall be used as specified below C. Unit to be lifted as per lifting diagram
    AlthonConcreteA. Mix ref: Self-compacting DC4/DS4 Mix B. Lifting strength bases on 2 cubes = 20N/mm² C. Characteristic 28 day cube strength = 50N/mm² D. Concrete provides Design Chemical Class 4 (DC4) to special Digest1, Table F2
    AlthonReinforcementA. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
    AlthonManufactureA. Manufacture to BS EN 15258:2008 precast concrete products - Retaining wall elements, Factory Production Control certificate number: 0086-CPR-650448 & BS EN 13369 B. Tolerances to BS EN 13369 clause 4.3.1.1 C. Finishing Top: Class A Sides: Class A Base: Class A Rear of back wall: Self-Levelled D. Marking: Units shall be indelibly marked to show: mould reference code De-mould date Job reference number and unique product number unit weight (kg)
    AlthonDesignA. Concrete design to EC2 B. Althon have designed the concrete units only, the site conditions should be assessed for suitability by the scheme designer C. Units are designed to withstand a vertical live load surcharge of 10kN/M² D. Weight of soil - 18kN/M² E. Angle of internal friction = 30 Deg. F. Design Life: >100 years Cover Block Size (mm): All Faces 55 Min Cover Size (mm): All Faces 55 Max Cover Size (mm): All Faces 60 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD3 Freeze/thaw attack: XF4 Chemical attack: XA3
    AlthonFabricationA. Manufacture IAW EN 1090-2 EXC CLASS 1 B. Material grade is to be: BS EN 10025 S275 C. Welding carried out IAW EN 1090-2 PARA 7.5.4 - 7.5.18 D. All fillet and butt welds to have a minimum throat thickness of 6mm & joints to be fully welded where possible. E. Ensure vertical flats are fully welded both sides where possible. F. All sharp edges and burrs are to be removed. G. Remove all weld splatter. H. Holes by punching are permitted with reaming. I. Galvanising is carried out after fabrication to BS EN:ISO 1461
    AlthonSpecificationInformationA. Kee Klamp® Galvanised Size 8 Fittings B. Size 8 48.3mm OD 3.2mm Wall Thickness Galvanised Medium Duty Tube to BS EN 10255 C. 360N/m Design Load at stated in BS 8118, BS 6180, BS 6399 & BS 7818, Civil Engineering Specification for the Water Industry (CESWI) 7th Edition Clause 2.60 Handrails & Balusters & The Engineering Equipment and Materials Users' Association (EEMUA) Publication 105 7th Edition Factory Stairways, Ladders and Handrails D. Other design loads available on request E. GRP/FRP Handrails also available
    AlthonHeadwallMaxPipeSizeOpening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
    AlthonHandrailSpecificationMax Pipe Opening PCC = 225mm ID and Max Pipe Opening Pastic/Clayware = 225mm ID
    AlthonToeInformationOur Sewers for Adoption compliant outfall range is available with toe extensions either 300 or 500mm thick with depths ranging from 400 to 1000mm.

    Built with: Autodesk Inventor Professional 2018

    RSFA11F Rectangular Headwall - 225mm ID pipe - 225mm Invert Level

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    RSFA11F Rectangular Headwall - 225mm ID pipe - 225mm Invert Level render

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    COBie Parameters

    Parameter Name Parameter Value
    NamePrecastConcreteHeadwall_RSFA11F_225mmIDPipe_225mmIL_AlthonLimited
    CreatedBydrawings@althon.co.uk
    CreatedOn2019-05-06T08:30:00
    Categoryn/a
    DescriptionPrecast Concrete Headwall
    AssetTypeFixed
    Manufacturersales@althon.co.uk
    ModelNumberRSFA11F
    WarrantyGuarantorPartssales@althon.co.uk
    WarrantyDurationPartsn/a
    WarrantyGuarantorLaborn/a
    WarrantyDurationLaborn/a
    WarrantyDurationUnityear
    ReplacementCostn/a
    ExpectedLife>100
    DurationUnityear
    WarrantyDescriptionn/a
    NominalLength1050
    NominalWidth1300
    NominalHeight775
    ModelReferencePrecast Concrete Headwall
    Shapen/a
    Size1050 x 1300 x 775
    ColourLight Grey
    FinishSteel mould concrete finish
    Graden/a
    MaterialConcrete
    Constituentsn/a
    FeaturesLifting points cast into headwall
    AccessibilityPerformancen/a
    CodePerformanceBS EN 15258:2008
    SustainabilityPerformancen/a

    Althon_General Parameters

    Parameter Name Parameter Value
    AuthorAlthon Limited
    BIMObjectNameAlthonLimited_PrecastConcreteHeadwall_RSFA11F_225mmIDPipe_225mmIL
    Version1
    LastUpdated2019-05-06T08:30:00
    ADSKCompatible2X3
    RevitCompatible2018 +
    ManufactureNameAlthon Limited
    ManufacturerURLwww.althon.co.uk
    NBSDescriptionPrecast concrete headwall unit
    NBSNoten/a
    NBSOfficeMasterTagn/a
    NBSReference45-25-40/305
    NBSTypeIDn/a
    DocumentationLiteraturehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationInstallationGuidehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationTechnicalhttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationCertificatesOn request
    Uniclass2015codePr_20_93_37_65
    Uniclass2015TitlePrecast concrete headwall units
    Uniclass2015VersionProducts v1.13
    AlthonGeneralNotesWe can cast multiple pipe opening, elliptical, square or rectangular culvert openings into any of our headwalls. We can also cast pipe openings into the wing walls of our headwalls.
    AlthonHeadwallInstallationUnits should be bedded on minimum 200mm thick well compacted Class 6A* selected well graded granular material. *Manual of contract documents for Highway Works: Volume (MCHW1) specification for Highway Works, Series 600 (Nov.09). Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
    AlthonHandlingA. Weight of concrete is based on 2.4 tonne/m³+5% is recommended for sizing lifting equipment B. All lifting points shall be used as specified below C. Unit to be lifted as per lifting diagram
    AlthonConcreteA. Mix ref: Self-compacting DC4/DS4 Mix B. Lifting strength bases on 2 cubes = 20N/mm² C. Characteristic 28 day cube strength = 50N/mm² D. Concrete provides Design Chemical Class 4 (DC4) to special Digest1, Table F2
    AlthonReinforcementA. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
    AlthonManufactureA. Manufacture to BS EN 15258:2008 precast concrete products - Retaining wall elements, Factory Production Control certificate number: 0086-CPR-650448 & BS EN 13369 B. Tolerances to BS EN 13369 clause 4.3.1.1 C. Finishing Top: Class A Sides: Class A Base: Class A Rear of back wall: Self-Levelled D. Marking: Units shall be indelibly marked to show: mould reference code De-mould date Job reference number and unique product number unit weight (kg)
    AlthonDesignA. Concrete design to EC2 B. Althon have designed the concrete units only, the site conditions should be assessed for suitability by the scheme designer C. Units are designed to withstand a vertical live load surcharge of 10kN/M² D. Weight of soil - 18kN/M² E. Angle of internal friction = 30 Deg. F. Design Life: >100 years Cover Block Size (mm): All Faces 55 Min Cover Size (mm): All Faces 55 Max Cover Size (mm): All Faces 60 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD3 Freeze/thaw attack: XF4 Chemical attack: XA3
    AlthonFabricationA. Manufacture IAW EN 1090-2 EXC CLASS 1 B. Material grade is to be: BS EN 10025 S275 C. Welding carried out IAW EN 1090-2 PARA 7.5.4 - 7.5.18 D. All fillet and butt welds to have a minimum throat thickness of 6mm & joints to be fully welded where possible. E. Ensure vertical flats are fully welded both sides where possible. F. All sharp edges and burrs are to be removed. G. Remove all weld splatter. H. Holes by punching are permitted with reaming. I. Galvanising is carried out after fabrication to BS EN:ISO 1461
    AlthonSpecificationInformationA. Kee Klamp® Galvanised Size 8 Fittings B. Size 8 48.3mm OD 3.2mm Wall Thickness Galvanised Medium Duty Tube to BS EN 10255 C. 360N/m Design Load at stated in BS 8118, BS 6180, BS 6399 & BS 7818, Civil Engineering Specification for the Water Industry (CESWI) 7th Edition Clause 2.60 Handrails & Balusters & The Engineering Equipment and Materials Users' Association (EEMUA) Publication 105 7th Edition Factory Stairways, Ladders and Handrails D. Other design loads available on request E. GRP/FRP Handrails also available
    AlthonHeadwallMaxPipeSizeOpening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
    AlthonHandrailSpecificationMax Pipe Opening PCC = 225mm ID and Max Pipe Opening Pastic/Clayware = 225mm ID
    AlthonToeInformationOur Sewers for Adoption compliant outfall range is available with toe extensions either 300 or 500mm thick with depths ranging from 400 to 1000mm.

    Built with: Autodesk Inventor Professional 2018

    RSFA11F Rectangular Headwall - 225mm ID pipe - 225mm Invert Level + 500 x 500mm Toe

    Example Render

    RSFA11F Rectangular Headwall - 225mm ID pipe - 225mm Invert Level + 500 x 500mm Toe render

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    Last Updated: May 13, 2019, 9:30 a.m.

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    ADSK Object

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    Built with: Autodesk Inventor Professional 2018

    RSFA11F Rectangular Headwall - 225mm ID pipe - 225mm Invert Level + 750 x 500mm Toe

    Example Render

    RSFA11F Rectangular Headwall - 225mm ID pipe - 225mm Invert Level + 750 x 500mm Toe render

    IFC Object

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    Last Updated: May 6, 2019, 8:30 a.m.

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    ADSK Object

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    RFA Object

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    COBie Parameters

    Parameter Name Parameter Value
    NamePrecastConcreteHeadwall_RSFA11F_225mmIDPipe_225mmIL_750x500mmT_AlthonLimited
    CreatedBydrawings@althon.co.uk
    CreatedOn2019-05-06T08:30:00
    Categoryn/a
    DescriptionPrecast Concrete Headwall
    AssetTypeFixed
    Manufacturersales@althon.co.uk
    ModelNumberRSFA11F
    WarrantyGuarantorPartssales@althon.co.uk
    WarrantyDurationPartsn/a
    WarrantyGuarantorLaborn/a
    WarrantyDurationLaborn/a
    WarrantyDurationUnityear
    ReplacementCostn/a
    ExpectedLife>100
    DurationUnityear
    WarrantyDescriptionn/a
    NominalLength1050
    NominalWidth1300
    NominalHeight775
    ModelReferencePrecast Concrete Headwall
    Shapen/a
    Size1050 x 1300 x 775
    ColourLight Grey
    FinishSteel mould concrete finish
    Graden/a
    MaterialConcrete
    Constituentsn/a
    FeaturesLifting points cast into headwall
    AccessibilityPerformancen/a
    CodePerformanceBS EN 15258:2008
    SustainabilityPerformancen/a

    Althon_General Parameters

    Parameter Name Parameter Value
    AuthorAlthon Limited
    BIMObjectNameAlthonLimited_PrecastConcreteHeadwall_RSFA11F_225mmIDPipe_225mmIL_750x500mmT
    Version1
    LastUpdated2019-05-06T08:30:00
    ADSKCompatible2X3
    RevitCompatible2018 +
    ManufactureNameAlthon Limited
    ManufacturerURLwww.althon.co.uk
    NBSDescriptionPrecast concrete headwall unit
    NBSNoten/a
    NBSOfficeMasterTagn/a
    NBSReference45-25-40/305
    NBSTypeIDn/a
    DocumentationLiteraturehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationInstallationGuidehttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationTechnicalhttps://www.althon.co.uk/products/rsfa11f-rectangular-headwall/detail/
    DocumentationCertificatesOn request
    Uniclass2015codePr_20_93_37_65
    Uniclass2015TitlePrecast concrete headwall units
    Uniclass2015VersionProducts v1.13
    AlthonGeneralNotesWe can cast multiple pipe opening, elliptical, square or rectangular culvert openings into any of our headwalls. We can also cast pipe openings into the wing walls of our headwalls.
    AlthonHeadwallInstallationUnits should be bedded on minimum 200mm thick well compacted Class 6A* selected well graded granular material. *Manual of contract documents for Highway Works: Volume (MCHW1) specification for Highway Works, Series 600 (Nov.09). Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
    AlthonHandlingA. Weight of concrete is based on 2.4 tonne/m³+5% is recommended for sizing lifting equipment B. All lifting points shall be used as specified below C. Unit to be lifted as per lifting diagram
    AlthonConcreteA. Mix ref: Self-compacting DC4/DS4 Mix B. Lifting strength bases on 2 cubes = 20N/mm² C. Characteristic 28 day cube strength = 50N/mm² D. Concrete provides Design Chemical Class 4 (DC4) to special Digest1, Table F2
    AlthonReinforcementA. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
    AlthonManufactureA. Manufacture to BS EN 15258:2008 precast concrete products - Retaining wall elements, Factory Production Control certificate number: 0086-CPR-650448 & BS EN 13369 B. Tolerances to BS EN 13369 clause 4.3.1.1 C. Finishing Top: Class A Sides: Class A Base: Class A Rear of back wall: Self-Levelled D. Marking: Units shall be indelibly marked to show: mould reference code De-mould date Job reference number and unique product number unit weight (kg)
    AlthonDesignA. Concrete design to EC2 B. Althon have designed the concrete units only, the site conditions should be assessed for suitability by the scheme designer C. Units are designed to withstand a vertical live load surcharge of 10kN/M² D. Weight of soil - 18kN/M² E. Angle of internal friction = 30 Deg. F. Design Life: >100 years Cover Block Size (mm): All Faces 55 Min Cover Size (mm): All Faces 55 Max Cover Size (mm): All Faces 60 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD3 Freeze/thaw attack: XF4 Chemical attack: XA3
    AlthonFabricationA. Manufacture IAW EN 1090-2 EXC CLASS 1 B. Material grade is to be: BS EN 10025 S275 C. Welding carried out IAW EN 1090-2 PARA 7.5.4 - 7.5.18 D. All fillet and butt welds to have a minimum throat thickness of 6mm & joints to be fully welded where possible. E. Ensure vertical flats are fully welded both sides where possible. F. All sharp edges and burrs are to be removed. G. Remove all weld splatter. H. Holes by punching are permitted with reaming. I. Galvanising is carried out after fabrication to BS EN:ISO 1461
    AlthonSpecificationInformationA. Kee Klamp® Galvanised Size 8 Fittings B. Size 8 48.3mm OD 3.2mm Wall Thickness Galvanised Medium Duty Tube to BS EN 10255 C. 360N/m Design Load at stated in BS 8118, BS 6180, BS 6399 & BS 7818, Civil Engineering Specification for the Water Industry (CESWI) 7th Edition Clause 2.60 Handrails & Balusters & The Engineering Equipment and Materials Users' Association (EEMUA) Publication 105 7th Edition Factory Stairways, Ladders and Handrails D. Other design loads available on request E. GRP/FRP Handrails also available
    AlthonHeadwallMaxPipeSizeOpening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
    AlthonHandrailSpecificationMax Pipe Opening PCC = 225mm ID and Max Pipe Opening Pastic/Clayware = 225mm ID
    AlthonToeInformationOur Sewers for Adoption compliant outfall range is available with toe extensions either 300 or 500mm thick with depths ranging from 400 to 1000mm.

    Built with: Autodesk Inventor Professional 2018

    RSFA11F Rectangular Headwall - 225mm ID pipe - 225mm Invert Level + 1000 x 500mm Toe

    Example Render

    RSFA11F Rectangular Headwall - 225mm ID pipe - 225mm Invert Level + 1000 x 500mm Toe render

    IFC Object

    Version: 1
    Last Updated: May 13, 2019, 9:30 a.m.

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    ADSK Object

    Version: 1
    Last Updated: May 13, 2019, 9:30 a.m.

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    RFA Object

    Version: 1
    Last Updated: May 13, 2019, 9:30 a.m.

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    Built with: Autodesk Inventor Professional 2018

    Brochures, Datasheets and Installation Instructions for RSFA11F Rectangular Headwall

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