Hydraulic Waler Systems

MGF Hydraulic Waler Systems are used in conjunction with trench sheeting to provide a safe and effective trench support system.  There are three types of waling system available to suit a wide variety of trench depths and ground conditions.  Each waling system can be installed from outside the trench to ensure a safe method of working.

Light Duty Walers offer a system suitable for shallower trenches and good ground conditions where the loadings will be low.  The waler rails are available in lengths from 2.0m up to 4.0m in increments of 0.5m. Medium Duty Walers offer a system suitable for deeper trenches and poorer ground conditions where the loadings will be higher, while the Heavy Duty Walers offer a system suitable for the more onerous jobs.  The waler rails for the Medium Duty and Heavy Duty systems are available in standard lengths of 5.0m.

Trench widths from 0.55m up to 2.275m can be provided using three types of hydraulic struts and a range of extension components. Wider trench widths can be accommodated by using MGF Manhole Brace legs.

All three waler systems are suitable for use with piling frames and the full range of trench sheets and light piles available from MGF.  A high capacity waler system can be provided by using the MGF Tank Brace system with MGF Mechanical Struts.
Waler Rail Standard
Length
(m)
Moment
Capacity
(kN.m)
Weight of
system
(kg)*
LIGHT DUTY 2.0 to 4.0 18 176 to 316
MEDIUM DUTY 5.0 28 486
HEAVY DUTY 5.0 63 436
 

* Based on a trench width of 1.275m

 

 

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