H42C A Headwall

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A one-piece reinforced concrete headwall available in a standard width of 1375mm and a height of 1120mm. Particularly suitable for steep embankments. Due to the relatively narrow footprint of the unit (back to front) it is advisable to fit suitable brackets to attach ground anchors. The unit can accommodate PCC pipes up to 600mm I.D. and plastic pipes up to 600mm I.D. Stainless steel sockets are provided for the attachment of gratings. Lifting points are cast in to each wingwall for safe handling using Althon lifting clutches. Galvanised mild steel angle can be fitted to the side walls in order to fit stoplogs and the back wall can be extended horizontally through the fitting of side wall extensions if required.

We cast the opening in the back wall of our headwalls to suit the pipe diameter and material of the pipe being used. We can cast multiple pipe openings, elliptical, square or rectangular culvert openings into any of our headwalls. We can also cast pipe openings into the wing walls of our headwalls.

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 PCC

Max Pipe Opening Plastic / C'ware

Backwall Height

Approx Headwall Weight (kg)

H42C A Headwall

600

1120

870

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H42C A Headwall - 375mm ID pipe - 100mm Invert Level

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IFC Object

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Last Updated: May 17, 2019, 2:35 p.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_H42CA_375mmIDPipe_100mmIL_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-17T14:35:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	H42CA
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	915
NominalWidth	1375
NominalHeight	1120
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	915 x 1375 x 1120
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_H42CA_375mmIDPipe_100mmIL
Version	1
LastUpdated	2019-05-17T14:35:00
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/h42c-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/h42c-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/h42c-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 = 600mm ID and Max Pipe Opening Pastic/Clayware = 600mm ID

Built with: Autodesk Inventor Professional 2018

H42C A Headwall - 450mm ID pipe - 100mm Invert Level

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IFC Object

Version: 1
Last Updated: May 17, 2019, 2:35 p.m.

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ADSK Object

Version: 1
Last Updated: May 17, 2019, 2:35 p.m.

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RFA Object

Version: 1
Last Updated: May 17, 2019, 2:35 p.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_H42CA_450mmIDPipe_100mmIL_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-17T14:35:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	H42CA
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	915
NominalWidth	1375
NominalHeight	1120
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	915 x 1375 x 1120
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_H42CA_450mmIDPipe_100mmIL
Version	1
LastUpdated	2019-05-17T14:35:00
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/h42c-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/h42c-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/h42c-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 = 600mm ID and Max Pipe Opening Pastic/Clayware = 600mm ID

Built with: Autodesk Inventor Professional 2018

H42C A Headwall - 600mm ID pipe - 100mm Invert Level

Example Render

IFC Object

Version: 1
Last Updated: May 17, 2019, 2:35 p.m.

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ADSK Object

Version: 1
Last Updated: May 17, 2019, 2:35 p.m.

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RFA Object

Version: 1
Last Updated: May 17, 2019, 2:35 p.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_H42CA_600mmIDPipe_100mmIL_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-17T14:35:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	H42CA
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	915
NominalWidth	1375
NominalHeight	1120
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	915 x 1375 x 1120
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_H42CA_600mmIDPipe_100mmIL
Version	1
LastUpdated	2019-05-17T14:35:00
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/h42c-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/h42c-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/h42c-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 = 600mm ID and Max Pipe Opening Pastic/Clayware = 600mm ID

Built with: Autodesk Inventor Professional 2018

Brochures, Datasheets and Installation Instructions for H42C A Headwall

H42C Datasheet and Installation Guide

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Standard Headwall Range

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H42C A Headwall

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BIM Objects

Example Render

IFC Object

ADSK Object

RFA Object

COBie Parameters

Althon_General Parameters

Example Render

IFC Object

ADSK Object

RFA Object

COBie Parameters

Althon_General Parameters

Example Render

IFC Object

ADSK Object

RFA Object

COBie Parameters

Althon_General Parameters

Brochures, Datasheets and Installation Instructions for H42C A Headwall

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H42C A Headwall

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All Available Downloads for H42C A Headwall - Page 1 of 2

BIM Objects

Example Render

IFC Object

ADSK Object

RFA Object

COBie Parameters

Althon_General Parameters

Example Render

IFC Object

ADSK Object

RFA Object

COBie Parameters

Althon_General Parameters

Example Render

IFC Object

ADSK Object

RFA Object

COBie Parameters

Althon_General Parameters

Brochures, Datasheets and Installation Instructions for H42C A Headwall

Free headwall design service

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H40C Headwall Range

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