Construction of 9 measuring pillars on 2 bridges.
see execution drawings
Production of 9 excavation pits approx. 1m deep, fill and compact
Insert steel pipe 139.7x8 between approx. 3m to max. 5.50m deep into the ground from OK soil up to approx. 1.10m above ground and fill and compact to approx. 2m with concrete C25/30
Place kg pipe DN 400 PVC with a length of approx. 2.10 m each around the steel pipe and fill and compact with concrete C25/30
Install piler-head end plate with protective cover (see system) in grouting mortar onto the measuring posts