H50C Headwall

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H50C headwalls are a one piece concrete headwall to suit plastic or clay pipes up to 600mm ID and concrete pipes up to 525mm ID. These headwalls can be used when the ditch bank is very shallow approx 1:3. They can be provided with fixings for grating, flap valves or with a full length sloped grating.

We cast the opening in the back wall 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.

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)

H50C Headwall

525

600

815

995

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

H50C Headwall - 450mm ID pipe - 0mm Invert Level

Example Render

IFC Object

Version: 1
Last Updated: May 17, 2019, 11:05 a.m.

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ADSK Object

Version: 1
Last Updated: May 17, 2019, 11:05 a.m.

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RFA Object

Version: 1
Last Updated: May 17, 2019, 11:05 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_H50C_450mmIDPipe_0mmIL_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-17T11:05:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	H50C
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	2035
NominalWidth	1070
NominalHeight	815
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	2035 x 1070 x 815
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_H50C_450mmIDPipe_0mmIL
Version	1
LastUpdated	2019-05-17T11:05:00
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/h50c-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/h50c-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/h50c-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 = 525mm ID and Max Pipe Opening Pastic/Clayware = 600mm ID

Built with: Autodesk Inventor Professional 2018

H50C Headwall - 525mm ID pipe - 0mm Invert Level

Example Render

IFC Object

Version: 1
Last Updated: May 17, 2019, 11:05 a.m.

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ADSK Object

Version: 1
Last Updated: May 17, 2019, 11:05 a.m.

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RFA Object

Version: 1
Last Updated: May 17, 2019, 11:05 a.m.

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COBie Parameters

Parameter Name	Parameter Value
Name	PrecastConcreteHeadwall_H50C_525mmIDPipe_0mmIL_AlthonLimited
CreatedBy	drawings@althon.co.uk
CreatedOn	2019-05-17T11:05:00
Category	n/a
Description	Precast Concrete Headwall
AssetType	Fixed
Manufacturer	sales@althon.co.uk
ModelNumber	H50C
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	2035
NominalWidth	1070
NominalHeight	815
ModelReference	Precast Concrete Headwall
Shape	n/a
Size	2035 x 1070 x 815
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_H50C_525mmIDPipe_0mmIL
Version	1
LastUpdated	2019-05-17T11:05:00
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/h50c-headwall/detail/
DocumentationInstallationGuide	https://www.althon.co.uk/products/h50c-headwall/detail/
DocumentationTechnical	https://www.althon.co.uk/products/h50c-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 = 525mm ID and Max Pipe Opening Pastic/Clayware = 600mm ID

Built with: Autodesk Inventor Professional 2018

Brochures, Datasheets and Installation Instructions for H50C Headwall

H50C Datasheet and Installation Guide

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Standard Headwall Range

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H50C 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

Brochures, Datasheets and Installation Instructions for H50C Headwall

Free headwall design service

H50C Headwall

Filters for H50C Headwall Downloads. To Download CAD and PDF Files Please Register or Login

All Available Downloads for H50C 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

Brochures, Datasheets and Installation Instructions for H50C Headwall

Free headwall design service

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