Proceedings of the 2006 Winter Simulation Conference L. F. Perrone, F. P. Wieland, J. Liu, B. G. Lawson, D. M. Nicol, and R. M. Fujimoto, eds. ABSTRACT This paper discusses the Glencoe Storm Sewer Upgrade Project in Calgary, Alberta. The proposed tunnel is 2920mm in diameter, stretching along 27th Ave SW from 15th St SW to 20th St SW with a total length of 935m. Its depth varies from 16m at the working shaft to 42m at the retrieval shaft. The tunnel will reduce surface flooding by providing temporary storage of stormwater runoff during major storm events. The focus of this paper is project plan- ning. The planning phase includes scope definition, con- tract setup, cost estimate, team assembly, equipment and material procurements, risk analysis, constructability re- view, geotechnical investigation, Safety and ECO Plan de- velopment, and scheduling and productivity simulations. The challenges presented in this project are the unfamiliar- ity with the local conditions and the uncertainty of the pro- jected productivity and completion date of the project. Those issues were modeled and mitigation strategies were established using simulation technologies. 1 INTRODUCTION The City of Calgary Wastewater Division has engaged the City of Edmonton’s Department of Asset Management and Public Works, Drainage Services branch to construct a storm sewer upgrade in the South Calgary Community. The storm sewer upgrade consists of a deep tunnel along 27th Avenue SW from 15th Street SW to west of 20th Street SW. The tunnel will be 935m in length with an internal diameter of 2920mm. The depth varies from 16m to 42m. The tunnel will reduce surface flooding by providing temporary storage of stormwater runoff during major storm events. Flood protection projects within the City of Calgary are assessed on a points basis and then ranked in order of prior- ity. Points are given for several different categories includ- ing public safety, damage caused by flooding, flood fre- quency, and the cost to benefit ratio for each project. Each year, as funds become available, the highest ranked projects proceed to construction. Figure 1: Glencoe tunnel cross-section The Glencoe Storm Sewer Upgrade had been on hold pending available funds. Funds for the project became available through a program known as ICAP (Infrastructure Canada Alberta Program). ICAP is a co-operative funding program jointly shared between the federal, provincial, and municipal governments. The City assigned an amount of $62.9 million to their Wastewater Division to construct a to- tal of 19 stormwater improvement projects in collaboration with ICAP. Glencoe B/C is the last of the Wastewater-ICAP projects to be constructed. The estimated cost for the tunnel portion of the project is $7.8 million; the total project cost is estimated at $11.5 million. The ICAP assigned a completion date for the project of no later than March 31st, 2006. An Open House took place on March 23, 2005 to re- ceive comments from the public and to answer questions about the proposed tunnel project. Construction started with the re-location of utilities in late March and early April of 2005. Construction on the tunnel entry shaft got underway in mid-April of 2005. As shown in Figure 1, the tunnel bores through two types of soil conditions, resulting in three segments: a soft segment represented by clay till, a mixed segment at the transition zone between clay till and bedrock, and a hard segment in the bedrock. The Tunnel Boring Machine (TBM) used in this project is a soft-face machine, which raises the risk either of not being able to tunnel through the bedrock or that the tunneling productivity will be very low. PRODUCTIVITY SIMULATION DURING THE PLANNING PHASE OF THE GLENCOE TUNNEL IN CALGARY, CANADA: A CASE STUDY Hussien T. AL-Battaineh Simaan AbouRizk Department Civil and Environmental Engineering University of Alberta Edmonton, AB, Canada James Tan Siri Fernando Design and Construction, Drainage Services City of Edmonton, Alberta, Canada 2087 1-4244-0501-7/06/$20.00 ©2006 IEEE