Skjæveland Cementstøperi AS

Innovative precast elements for civil engineering in Norway

Fig. 1 The new factory extension provides space for three additional HawkeyePedershaab production lines used to manufacture reinforced concrete pipes and manhole rings.

Fig. 2 The large Multicast 250 line is used to produce reinforced concrete pipes with nominal bores from DN 300 to DN 2500.
Annual output up to 30,000 tons.

Fig. 3 The fresh product is tilted while being suspended from crossbars.

Fig. 4 The Multicast 250 mold bracing system.

Fig. 5 The “basement” of the factory building provides access to the vibrating tables that form part of the pipe machines. This image clearly shows the integrated dampers, which are called “airbags” by HawkeyePedershaab.

Fig. 6 The mold is lifted over the steel core, and is then ready for production.

Fig. 7 The giant lift cylinders that enable the production of up to 2.5 m long pipes.

Fig. 8 The fresh pipes are put to interim indoor storage for 24 hours. The steel core has been removed, only plastic support rings are placed onto the sleeves.

Fig. 9 At this work station, the reinforcement cage for the pipes is produced. Here, the particular feature is that the ring reinforcement is oval-shaped and inserted in the direction opposite to the expected deformation. This installation position is marked by the transport anchors inserted.

Fig. 10 An old Pedershaab line at VIHY® Simplex is used to produce the weights for underwater lines.

Fig. 11 Aggregates are dosed via metering conveyors.

Fig. 12 Step irons are uncommon in Norway and Scandinavia, which is why the product range offered by pipe manufacturers also needs to include ladders.

Fig. 13a Uniklikk – this support system has been specially developed by Basal to fasten the water pipes to the manhole base.

Fig. 13b Uniklikk 3D-model.

Fig. 14 A tree protection system is also required in Norway.

Fig. 15 The dry-weather drain is also a product offered by Skjæveland Cementstøperi.

Fig. 16 The “Pipe Lifter” gripper system for pipe laying is a successful product developed by Skjæveland Cementstøperi. It is suitable for the laying of concrete pipes from DN 200 to DN 500 or from DN 300 to DN 1200, depending on the gripper model.

In 1946, Georg Hebnes established the company Skjæveland Cementstøperi AS in Sandnes, Norway. The site near Stavanger enables the transport of products by road, rail or ship. As a result, concrete products can be delivered to destinations across Norway if required. Today, the Multi-Blokk production facility also forms part of Skjæveland and manufactures concrete pavers and landscaping products (curbs, rims, hollow blocks etc.).

The first product ever manufactured there was a manhole ring for drinking-water wells. The current range mainly includes pipes, manholes and tanks. As a result of the demand-driven product development, the business is now also able to offer products specific to Norway, such as infiltration sand traps, slot drains, manhole bases with an integrated steel module for potable water networks, weights for underwater lines (capones), large planting rings or street manholes.

The company manufactures premium-quality products and must therefore meet demanding requirements in terms of quality control and...