AH4C F LH Angled Headwall

SSG Compliant

BIM Available

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AH4C F Left Hand Angled precast headwalls are two part precast concrete headwalls that allow water to discharge at a 45 Degree angle. This is the Environment Agency’s preferred method when discharging into a watercourse.

AH4C F Left Hand Angled headwalls have horizontal wingwalls.

The AH4C F Left Hand Angled headwall has a backwall height of 950mm and is suitable for use with plastic or clay pipework up to 300mm. We can supply toe extension pieces in 3 depths up to 1000mm. AH4C angled precast headwall units can be pre-fitted with a range of accessories such as Kee Klamp® handrails, gratings, flap valves, penstocks and other flow control devices.

The AH4C F Left Hand Angled Headwall weighs 610kg.

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

As standard our headwalls have a natural concrete finish.
We can offer coloured headwalls in 4 colours but the final shade is affected by many influences.

Our Headwall Products are available in a range of colours

Natural

Cotswold

Agate

Raven Grey

Everglade

Product Name

Max Pipe Opening Plastic / C'ware

Backwall Height

Approx Headwall Weight (kg)

AH4C F LH Angled Headwall

300

950

610

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AH4CF LH Angled Headwall

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AH4C F LH Angled Headwall + Cranked Grating

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AH4C F LH Angled Headwall + Backwall Kee Klamp

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AH4C F LH Angled Headwall + Backwall Kee Klamp + Cranked Grating

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AH4C F LH Angled Headwall + 100mm Flap Valve

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AH4C F LH Angled Headwall + 100mm Flap Valve + Cranked Grating

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AH4C F LH Angled Headwall + 100mm Flap Valve + Backwall Kee Klamp

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AH4C F LH Angled Headwall + 100mm Flap Valve + Backwall Kee Klamp + Cranked Grating

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AH4C F LH Angled Headwall + 150mm Flap Valve

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AH4C F LH Angled Headwall + 150mm Flap Valve + Cranked Grating

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AH4C F LH Angled Headwall + 150mm Flap Valve + Backwall Kee Klamp

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AH4C F LH Angled Headwall + 150mm Flap Valve + Backwall Kee Klamp + Cranked Grating

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AH4C F LH Angled Headwall + 250mm Flap Valve

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AH4C F LH Angled Headwall + 250mm Flap Valve + Cranked Grating

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AH4C F LH Angled Headwall + 250mm Flap Valve + Backwall Kee Klamp

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AH4C F LH Angled Headwall + 250mm Flap Valve + Backwall Kee Klamp + Cranked Grating

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AH4C F LH Angled Headwall + 300mm Flap Valve

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AH4C F LH Angled Headwall + 300mm Flap Valve + Cranked Grating

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AH4C F LH Angled Headwall + 300mm Flap Valve + Backwall Kee Klamp

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AH4C F LH Angled Headwall + 300mm Flap Valve + Backwall Kee Klamp + Cranked Grating

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AH4CF LH Angled Headwall + 450 X 300mm Toe

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AH4C F LH Angled Headwall + 450 x 300mm Toe + Cranked Grating

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AH4C F LH Angled Headwall + 450 x 300mm Toe + Backwall Kee Klamp

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AH4C F LH Angled Headwall + 450 x 300mm Toe + Backwall Kee Klamp + Cranked Grating

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AH4C F LH Angled Headwall + 450 x 300mm Toe + 100mm Flap Valve

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BIM Objects

If you cannot find what you are looking for, please either email us or use our Headwall Design Service

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

AH4C F LH Angled Headwall - 150mm ID pipe - 100mm Invert Level

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_150mmIDPipe_100mmIL_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_150mmIDPipe_100mmIL
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 150mm ID pipe - 100mm Invert Level + 450 x 300mm Toe

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Last Updated: May 3, 2019, 9 a.m.

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IFC Object

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Last Updated: May 3, 2019, 9 a.m.

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ADSK Object

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_150mmIDPipe_100mmIL_450x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_150mmIDPipe_100mmIL_450x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 150mm ID pipe - 100mm Invert Level + 700 X 300mm Toe

Example Render

RFA Object

Version: 1
Last Updated: May 3, 2019, 9 a.m.

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ADSK Object

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Last Updated: May 3, 2019, 9 a.m.

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IFC Object

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Last Updated: May 3, 2019, 9 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_150mmIDPipe_100mmIL_700x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_150mmIDPipe_100mmIL_700x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 150mm ID pipe - 100mm Invert Level + 1000 x 300mm Toe

Example Render

RFA Object

Version: 1
Last Updated: May 3, 2019, 9 a.m.

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ADSK Object

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Last Updated: May 3, 2019, 9 a.m.

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IFC Object

Version: 1
Last Updated: May 3, 2019, 9 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_150mmIDPipe_100mmIL_1000x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_150mmIDPipe_100mmIL_1000x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 225mm ID pipe - 100mm Invert Level

Example Render

ADSK Object

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Last Updated: May 3, 2019, 9 a.m.

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RFA Object

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Last Updated: May 3, 2019, 9 a.m.

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IFC Object

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Last Updated: May 3, 2019, 9 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_225mmIDPipe_100mmIL_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_225mmIDPipe_100mmIL
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 225mm ID pipe - 100mm Invert Level + 450 x 300mm Toe

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Last Updated: May 3, 2019, 9 a.m.

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IFC Object

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_225mmIDPipe_100mmIL_450x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_225mmIDPipe_100mmIL_450x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 225mm ID pipe - 100mm Invert Level + 700 X 300mm Toe

Example Render

IFC Object

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RFA Object

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ADSK Object

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Last Updated: May 3, 2019, 9 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_225mmIDPipe_100mmIL_700x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_225mmIDPipe_100mmIL_700x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 225mm ID pipe - 100mm Invert Level + 1000 x 300mm Toe

Example Render

IFC Object

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ADSK Object

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Last Updated: May 3, 2019, 9 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_225mmIDPipe_100mmIL_1000x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_225mmIDPipe_100mmIL_1000x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 300mm ID pipe - 100mm Invert Level

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IFC Object

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_300mmIDPipe_100mmIL_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_300mmIDPipe_100mmIL
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 300mm ID pipe - 100mm Invert Level + 450 x 300mm Toe

Example Render

RFA Object

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Last Updated: May 3, 2019, 9 a.m.

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IFC Object

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Last Updated: May 3, 2019, 9 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_300mmIDPipe_100mmIL_450x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_300mmIDPipe_100mmIL_450x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 300mm ID pipe - 100mm Invert Level + 700 X 300mm Toe

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Last Updated: May 3, 2019, 9 a.m.

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IFC Object

Version: 1
Last Updated: May 3, 2019, 9 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_300mmIDPipe_100mmIL_700x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_300mmIDPipe_100mmIL_700x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

AH4C F LH Angled Headwall - 300mm ID pipe - 100mm Invert Level + 1000 x 300mm Toe

Example Render

RFA Object

Version: 1
Last Updated: May 3, 2019, 9 a.m.

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ADSK Object

Version: 1
Last Updated: May 3, 2019, 9 a.m.

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IFC Object

Version: 1
Last Updated: May 3, 2019, 9 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_AH4CFLH_300mmIDPipe_100mmIL_1000x300mmT_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-03T09:00:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	AH4CFLH
WarrantyGuarantorParts	n/a
WarrantyDurationParts	n/a
WarrantyGuarantorLabor	n/a
WarrantyDurationLabor	n/a
WarrantyDurationUnit	year
ReplacementCost	n/a
ExpectedLife	>50
DurationUnit	year
WarrantyDescription	n/a
NominalLength	1200
NominalWidth	400
NominalHeight	950
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	1200 x 400 x 950
Colour	Light Grey
Finish	Steel mould concrete finish
Grade	n/a
Material	Concrete
Constituents	n/a
Features	Lifting sockets cast into the headwall
AccessibilityPerformance	n/a
CodePerformance	BS EN 15258:2008
SustainabilityPerformance	n/a

Althon_General Parameters

Parameter Name	Parameter Value
Author	Althon Limited
BIMObjectName	AlthonLimited_PrecastConcreteHeadwall_AH4CFLH_300mmIDPipe_100mmIL_1000x300mmT
Version	1
LastUpdated	2019-05-03T09:00:00
ADSKCompatible	2X3
RevitCompatible	2018 +
ManufactureName	Althon Limited
ManufacturerURL	www.althon.co.uk
NBSDescription	Precast concrete headwall unit
NBSNote	n/a
NBSOfficeMasterTag	n/a
NBSReference	45-25-40/305
NBSTypeID	n/a
DocumentationLiterature	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/ah4c-f-lh-angled-headwall/detail/
DocumentationCertificates	On request
Uniclass2015code	Pr_20_93_37_65
Uniclass2015Title	Precast concrete headwall units
Uniclass2015Version	Products v1.13
AlthonGeneralNotes	We 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.
AlthonHeadwallInstallation	Units should be bedded on minimum 150mm of semi-dry concrete. Sit the headwall level or with a slight fall 1:50 from pipe to spill mouth.
AlthonHandling	A. 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 - Anchor points & loops C. Unit to be lifted as per lifting diagram
AlthonConcrete	A. 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
AlthonReinforcement	A. Reinforcement to BS EN 13369 B. Scheduling, dimensioning, bending & cutting to BS8666 C. Cage to be machine tied with steel wire
AlthonManufacture	A. 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)
AlthonDesign	A. 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: >50 years Cover Block Size (mm): All Faces 33 Min Cover Size (mm): All Faces 28 Max Cover Size (mm): All Faces 38 Exposure induced by Carbonation: All Faces XC3/4 Corrosion induced by Chloride: XD2 Freeze/thaw attack: XF3 Chemical attack: XA2
AlthonFabrication	A. 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
AlthonSpecificationInformation	Opening in back wall cast to suit outside diameter of the pipe work. Invert level of pipe can be set to your specification
AlthonHeadwallMaxPipeSize	Max Pipe Opening PCC = 0mm ID and Max Pipe Opening Pastic/Clayware = 300mm ID
AlthonToeInformation	Our AH4C headwall range is available with toe extensions either 300mm thick with depths ranging from 450, 700 to 1000mm

Built with: Autodesk Inventor Professional 2018

Brochures, Datasheets and Installation Instructions for AH4C F LH Angled Headwall

AH4C Datasheet and Installation Guide

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AH4C F LH Angled Headwall

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BIM Objects

Example Render

RFA Object

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COBie Parameters

Althon_General Parameters

Example Render

RFA Object

IFC Object

ADSK Object

COBie Parameters

Althon_General Parameters

Example Render

RFA Object

ADSK Object

IFC Object

COBie Parameters

Althon_General Parameters

Example Render

RFA Object

ADSK Object

IFC Object

COBie Parameters

Althon_General Parameters

Example Render

ADSK Object

RFA Object

IFC Object

COBie Parameters

Althon_General Parameters

Example Render

RFA Object

ADSK Object

IFC Object

COBie Parameters

Althon_General Parameters

Example Render

IFC Object

RFA Object

ADSK Object

COBie Parameters

Althon_General Parameters

Example Render

IFC Object

RFA Object

ADSK Object

COBie Parameters

Althon_General Parameters

Example Render

RFA Object

ADSK Object

IFC Object

COBie Parameters

Althon_General Parameters

Example Render

RFA Object

ADSK Object

IFC Object

COBie Parameters

Althon_General Parameters

Example Render

RFA Object

ADSK Object

IFC Object

COBie Parameters

Althon_General Parameters

Example Render

RFA Object

ADSK Object

IFC Object

COBie Parameters

Althon_General Parameters

Brochures, Datasheets and Installation Instructions for AH4C F LH Angled Headwall

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