The ROMTECH Groundworks division were asked by one of our regular Clients to try to speed up the construction program on one of their sites, which had started late due to last minute design changes.

As a regular user of our fast track products, particularly Beamform permanent formwork, they knew that they could make up this time, but realized from past experience, that tying concrete spacer blocks onto pile cap steel was a slow, labour intensive process. What they needed was a simple, quick solution, and could we help?

The problem we needed to overcome related to how to achieve the specified cover to pile caps, which were designed with T16 (anti-bursting), T20, T25 & T32 bars and ground beam intersections which had T16 top splice bars and T20 bottom splice bars, when no suitable spacers were available to clip on the bars (due to the large bar diameters).

Our solution was to manufacture a hang-on ladder spacer utilising the skid spacers which we incorporate into our cage formers. These were manufactured with a hook designed to hang on the mid external anti-bursting bar around the pile caps, with a width to give the best possible standard size to suit the different pile cap sizes on site.
                                                                                                                                                             Ladder Spacer

• Bespoke Engineered Product
• Any size
• Any cover
• Manufactured with 8, 10,12 or 16mm diameter bar
• Fully tested with Test Report showing Compliance to BS 7973:2001 (available on request)
• CARES Approved bar AND welding
• Quick turnaround

After initial site testing for suitability, the client placed an order and successfully used these to speed up the construction program.

The pictures below show a pile cap of size, 2.4m x 1.5m x 0.75m, for which the manual tying of the specified square bar spacers onto the cage sides was taking an hour for two persons. Our hang-on ladder spacers were taking under a minute to position in place, for a whole base. Beamform was installed in 5 minutes and backfilling took 15 minutes.

Our client has since placed further orders for this engineered product on other selected sites which were experiencing similar? problems.
 

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