QAB units are designed to be used in short-term applications in stable, non-water bearing ground conditions. Pre-assembled with adjustable struts, it can be rapidly installed into a pre-dug trench by lowering from ground level thus providing a safe and effective shoring shield without operatives having to enter an un-supported excavation.

Component Description Size* (mm) Weight (kg)
Base Panel 1225 x 1200 27
Top Panel 1225 x 600 14
Strut type 0  330 - 480 4.8
Strut type 1 500 - 740 6.6
Strut type 2 700 - 1100  8.5
Strut type 3 1040 - 1740 11.8
Retaining Pin 9.55mm Dia. 1
Bolt and Nyloc Nut M10 x 120 grade 8.8 bolt 1
Adjustment Pin 16mm Dia. 1
Lifting Lug N/A 1
Box Connector N/A  

 

 

  Strut Size 0 1 2 3
Width (mm) Internal  254 - 404 424 - 664 624 - 1024 964 - 1664
External 380 - 530 550 - 790 750 - 1150 1090 - 1790
Length (mm) Internal 1045 1045 1045 1045
External 1225 1225 1225 1225
Weight**   73.2 80.4 88 101.2

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Quick Access Box (QAB)
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Quick Access Box Technical Literature

Trench Boxes: Typical Installation Methodology

Groundforce Trench Boxes comprise a simple, robust, two-sided mechanical excavation support system. Each trench box is designed as a temporary earth retaining structure allowing the sides of the excavation to be cut vertical or near vertical. This quick and easy method ensures ground stability within a trench and helps minimise the excavation area to avoid damage to neighbouring structures and utilities in the ground. This methodology is best suited for trench boxes with shorter struts, if you use a trench box with long struts then other methods may be more suited, if you have any questions on different methods you can use contact our technical department.

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