SPECIAL POJECTS ALREADY CARRIED OUT
BY BORING-SYSTEMS

Hereafter a number of our somewhat extensive accomplishments at home and abroad.

Drilling under the Canal of Grimbergen (B):
ø : 550 mm, length : 170 m, depth : 17 m, 2 x 200 mm HDPE put in, degree of difficulty 3, layers of gravel, layers of sand, layers of clay-ground , water-bearing layers.

Drilling under the Meuse by Nijmegen (Netherlands):
ø : 350 mm, lenght : 240 m, depth : 12 m, 1 x 225 mm HDPE put in, degree of difficulty 3, layers of gravel, layers of granite and fine-grained sand.

Drilling under the motorway E19 at Brussels (B):
ø : 250 mm, length : 160 m, depth : 7 m in connection with a cycle subway and sewerages, 1 x 160 mm HDPE put in, degree of difficulty 2, very fine-grained sand and layers of clay.

Various drilling jobs in Köln (Germany):
ø : 250 mm, length : from 60 up to 150 meters, depths : different, degree of difficulty 2, layers of clay, gravel and brick-dust (world war II), sand.

Drilling under the Nete at Rumst (B):
ø : 440 mm, length : 550 m, depth : up to 25m, layers of sand, layers of clay and layers of gravel, measured with Steering Tool (measuring instrument).

Drilling at Deurne for AQUAFIN Belgium concerning a press sewer:
ø : 250 mm, HDPE PN 16, length ± 100m, Drilling makes a turn of more than 90°.