Abu Hamour (Musaimeer) Surface & Ground Water Drainage Tunnel - Phase I (AHSO) is a 9.5k m long, 3.7 m ID storm water tunnel which was successfully and safely completed using circumferential dowelled-in connectors and guidance rods. The approach assured precise, safely sequenced and engineered radial segment fastening. The installation was designed with safety in mind. However, precision and quality assurance were the key requirements to assure that no newly or previously installed segments were not free standing during segment and ring installation process.
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