FACILITATING DECISION MAKING USING 3D TECHNOLOGIES ON THE WEST EDMONTON SANITARY SEWER PROJECT

ISARC

* Y. Zhang, and M. Al-Bataineh

S.M.A. Consulting Ltd.

230, 10123 99 ST

Edmonton, AB Canada T5J 3H1

(*Corresponding author: ison@smaconsulting.ca)

J. Zou, and S. Fernando

Drainage Design and Construction

14323 114 Ave NW

Edmonton, AB Canada T5M 3B8

S. AbouRizk

University of Alberta

9105 116 St NW

Edmonton, AB, Canada T6G 2W2

The North Saskatchewan River flows southwest to northeast through a 22-km-long valley in the City of Edmonton, supplying the drinking water to dozens of downstream communities. During heavy rains, combined sewers occasionally overflow into the river, which has a significant negative impact on the water quality and the sensitive environment. The West Edmonton Sanitary Sewer (WESS) W12, a syphon connecting the Rat Creek Trunk to the Gold Bar Wastewater Treatment Plant across the river, was designed and constructed to take the overflow to the wastewater treatment plant. Due to the complexity of the project, various 3D technologies were applied to facilitate decision-making processes. 3D models were developed for design review and design conflict detection, while 4D models were established to help create a robust construction schedule. Construction sequencing animation was used to convey design intents and demonstrate construction stages to contractors and workers. The combined applications of 3D technologies helped the project team to identify critical issues, and assured effective communication among engineers, management, contractors, and other parties. Therefore, it provided more opportunities for the success of the project.
Keywords: Construction; Projects; Design; Models; Model; Structure; flow; Sequencing; Modeling;
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