Sewerage Services at KLIA2, Sepang

The Kuala Lumpur International Airport 2 (KLIA2) is a low-cost carrier terminal in Kuala Lumpur which opened for operations on 1st May 2014.

Problems occured during construction of the sewer line that was a part of the toilet discharge system from the satellite building. Soil settlement of about 400mm was noted during the site inspection.

JTK Consult (JTK) undertook the assessment of the ground condition and determined that the soil settlement was due to poor soil characteristics and inadequate ground treatment prior to construction. As a precautionary measure, high-density polyethylene (HDPE) pipes were installed with supporting hangers that were tied onto the suspended ground slab. The study showed that the soil settlement of 400mm was due to the soil consolidation as the pipes were installed concurrently with the construction of the satellite building. The calculations verified that the pipe deformation was also affected due to the large distance between the
hanger supports beyond the design limit.

Sepang, Selangor
Bina Puri
Services We Provided

Forensic Engineering and Remedial Solutions:
Geotechnical failure investigation, remedial design and implementation

Ref: 1276/13/r7380

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