QatarRoad crossing in Qatar-Hamad Airport
In 2018, Terratest Qatar LLC performed the micro-tunnelling works for the project EPIC of Hamad International Airport Jet A1 Supply Pipeline.
The work consists of roundabout road crossing, accessing to the airport, including the excavation & construction of the shafts and dewatering.
The Micro-tunnelling works consist of one single long drive performed by AVN 1200 to cover project pipeline diameter.
Ø 1,200 mm ID reinforced concrete sleeve pipes were jacked and then 24” ID pipe sleeve pipes were installed inside by attaching some rolling spider collars and pulling them inside and throughout the already drilled RC pipeline.
Works were successfully performed all in accordance with the high standards required being the longest drive executed in Qatar by a AVN 1200.
Ground consisted of Simsima Limestone strata at the ground layers.