Page 248 - Full GAP Catalogue 2020 (digital)

246 / Box Systems (Trenching & Shoring)

Manhole Boxes

GAP’s manhole boxes are designed for use in conjunction with our manhole
shutters, allowing fast manhole construction without the need for a worker
to enter the unsupported excavation.

Clearance Min. Max. Max. Weight of
Manhole Box Between Trench Trench Max. Lateral Trench Weight of Extension
Type earth Pressure Base Box
Struts Width Width Depth Box
Backhoe 2.5m 2248mm 2440mm 2940mm 20kN/M2 2900mm 960kg 580kg
Standard 2.5m 2330mm 2067mm 3967mm 55kN/M2 5400mm 2290kg 1525kg
Standard 3.0m 2770mm 1750mm 4660mm 45kN/M2 5400mm 2550kg 1750kg
Standard 3.5m 3230mm 2067mm 3967mm 40kN/M2 5400mm 3060kg 2100kg
Standard 4m 3730mm 2877mm 4777mm 35kN/M2 5400mm 3850kg 2750kg
Standard 4.7m 4480mm 2450mm 5950mm 35kN/M2 5400mm 4150kg 2950kg
Edge Protection for Boxes

A lightweight barrier system used to provide enhanced safety on site, helping to prevent falls into excavations. Often used
with GAP’s range of trench boxes, drag boxes and manhole boxes.
• Kickboards to prevent debris falling into excavations
• Not intended to restrain or support excessive loads
• Weight of boxes: 9.2kg to 40.5kg
Edge Protection Type Panel Height Minimum Length Maximum Length
Standard Box 1000mm 460mm 3916mm
Backhoe Box 1000mm 460mm 3916mm
Standard Manhole Box (2.5m) 1000mm 460mm 3916mm
Backhoe Manhole Box (2.5m) 1000mm 460mm 3916mm
Drag Box (5.0m) 1000mm 460mm 3916mm