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Products > Concrete Safety Barrier > Barrier Construction Techniques

The Slipform Process
Equipment
Formwork
Company Structure
Paver Set up
 


Slipform Process



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The Slipform Process
Equipment
Formwork
Company Structure
Paver Set up
The Slipform Process
Slipform paving is a process that when executed competently can appear deceptively simple.
The devil though is in the detail and only by ensuring that every procedure, operative and piece of equipment is being utilised to the best possible effect can the complex construction method appear simple.
Slipforming is the consolidation of an exacting mix concrete within a moving shutter; it is a balancing act of mix design, compaction and speed of progression that can only be mastered with years of experience.
Extrudakerb provide over 30 years experience in this field with a management team drawing upon worldwide experiences overseeing a workforce that truly understand and appreciate what makes a great slipform product.
Extrudakerb design and fabricate unique slipform paving moulds; these moulds are the heart of the slipform process: inside variable frequency hydraulic pokers are mounted and they provide the energy required to consolidate the concrete.
The paver simply provides the power plant and places the mould in exactly the right place.
Concrete mix design and control of batching and transport is essential. Extrudakerb works in harmony with carefully selected concrete supply chain partners. Bespoke mixes have been developed and the combination of a national slipform contractor and national ready mixed concrete supplier working in harmony is clear, the quality of work and rates of production tell no lies.
 
Page : 54
 


Slipform Equipment


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The Slipform Process
Equipment
Formwork
Company Structure
Paver Set up
Slipform Equipment
Extrudakerb own and operate only Gomaco Commander III slipform paving machines. All configured with x-y 4-track paving frames; all able to mount moulds to the left, right or centrally; all able to run heavy complex variable profile barrier moulds; all of the very latest design and all fully serviced before dispatch to site regardless of usage.
All pavers feature integral electric generators and balloon lighting systems. This state of the art lighting system casts no shadows and minimal glare. Works at night are effectively undertaken in daylight conditions: a safer and more efficient innovation.
Moulds are designed and fabricated in house. Moulds are built for the job by a contractor for a contractor.
Vehicles are all fully equipped with racking and specialist tools. Special saw cut vans provide ample water supply for dust suppression and ensure that the joints are cut at the optimum time.
Low loader and rigid lorries are all fitted with integral Hiab cranes. They are bought new and specified to exactly undertake the work required by a slipform and fixed form contractor.
Modular steel form work can be easily transported to and around site; it can be easily and safely lifted into place with drivers and equipment used to carrying out this specialist work.
A team of fitters and an extensive Stores ensure that the right equipment in a safe and fully serviced condition is issued to site.
 
Page : 51
 


Formwork


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The Slipform Process
Equipment
Formwork
Company Structure
Paver Set up
Formwork
Extrudakerb carry out all form work construction in house with a dedicated and experienced team of joiners.
Form work is a combination of timber and steel. This quick fit system maximises productivity and quality.
Drawings are produced in house to ensure that we maximise slipform construction. However formwork is unavoidable with infill sections and outfalls constructed by traditional methods.
The sequence and quantity of resource required by a given project are planned with detailed in house programmes agreed with our Customers.
Project completion is achieved only when both slipform and fixed form operations are finished and only the best equipment, skilled labour and careful planning ensure that the slower fixed form works finish on time.
 
Page : 42
 


Company Structure



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The Slipform Process
Equipment
Formwork
Company Structure
Paver Set up
Company Structure
The company operates three autonomous divisions: Extruded Asphalt Kerb, Fabrication and Slipform Concrete Paving.
Fabrication is a service division to the two contracting arms. The Fabrication division designs, build and services all plant, equipment and vehicles. The flexibility of an in house machine and equipment supplier provides an essential advantage to the company.
The Slipform division benefits from a dedicated Director, Operations Manager, Site Agents and both Paving and Formwork Supervisors. Paver Operators, Gangers and other skilled personnel are all trained internally and offer many years of experience.
The company’s Group Health, Safety, Quality and Environmental Manager ensures that all operations are undertaken safely, with the least impact upon our environment and in line with evolving quality control procedures.
Product is checked for conformity every 5 linear metres and records taken. Conformity certification is issued as well as test records and as built information. Our Customers can prove they have been supplied a wholly complaint safety barrier built to the highest standards.
We operate both ISO 9001 and 14001 systems audited by BSI.
 
Page : 41
 


Paver Set Up



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Animation - CSB Paving Right Hand
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The Slipform Process
Equipment
Formwork
Company Structure
Paver Set up
Paver Set Up
Each project provides a specific working environment within which the barrier must be constructed.
 
As Road Operating Authorities are obliged to minimise the disruption incurred by the travelling public workspace is often limited and frequently a tidal traffic management system is provided with maximum working space provided during periods of minimum public traffic flows.

Extrudakerb are able to provide both generic and project specific paver set up configurations that maximise productivity within minimal working environments.
Paving moulds can be affixed to the left and right side of the paver chassis allowing construction to proceed in the same direction as adjacent traffic flow and to minimise the turning around and reversing of supply trucks.
AutoCAD drawings are provided to ensure that paver position, track alignment and the routing of supply trucks provides maximum efficiency. Provision of these bespoke drawings minimises the risk of insufficient working space being made available.
Dedicated transport is provided where paving equipment needs to be relocated within a site or in extreme situations removed from site at the end of each shift.
Extrudakerb are able to offer Customers individual paver configurations such as non standard track configurations, offset and extended feed conveyors and odd set mould mounts.
 
Page : 43

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