In this configuration, there are only 4 anchor earth holdfast pins per earth holdfast.
The anchor assembly is attached to the ends of bridge via a wire rope and Tirfor. The
Tirfor enables the slack to be taken out of the wire rope but not over tensioned. The end
3.15.7 Connecting the Anchor
to the Bridge
PERSONAL INJURY. WHEN HANDLING WINCH CABLE, USE THICK LEATHER GLOVES TO
PREVENT INJURY TO HANDS FROM BROKEN STRANDS.
This instruction should be read in conjunction with TIRFOR operating instructions Para 3.17.
The bridge anchor is connected to the bridge at positions either side of ramp modules.
ground hardness or bridge slope. It is placed in position as shown in Figure 3. 80, and
secured to the ground with anchor earth holdfast pins. The TIRFOR winch is connected
to the loose shackle of the anchor beam by:
a. Removing the pin and clip at the end of the TIRFOR winch.
Place the anchorage beam shackle into the recess.
The cable is secured to the ramp module by placing the open socket form end over one of
the fixed 'D' shackles on the ramp module (Figure 3. 77) and securing with the pin and
The cable is then laid out towards the TIRFOR winch and the tapered end is fed through
the winch. The winch is then operated as described in 3.17 until the slack in the cable is
taken up and the cable is just tensioned.