It can include :
- A layer dedicated to keeping the trench open while positionning accuratly cables and/or PEHD ducts.
- A sandbox dedicated to laying sand around the cables in order to isolate them.
- A warning tape roller.
- A packers dedicated to bringing materials on the screening tool or directly inside the trench after sanding and warning tape unrolling.
- A screening tool dedicated to bringing the thinest material around ducts or pipes while maintaining the bigger aggregate higher in the trench.