Change Order No. 6 - WWTP Secondary Treatment Improvements Proj No 114-053 - Thieneman Construction

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Allen Gaarder From: Jacob Klosinski <jklosins@southbendin.gov> Sent: Tuesday, May 31, 2016 2:57 PM To: Pat Johnston Cc Allen Gaarder, Huston, John Subject: 114-053 WWTP Secondary Treatment Improvements (3" City Water Relocation) Attachments: 3-inch City Water Relocation 2016.05.31.pdf Pat: Please see the attached sketch regarding the 3" City Water Service Line. I am proposing the following route for the water line relocation (see sketch). Much of the piping can be run through the building with the exception of the Tee in the basement (see sketch) and the underground piping located north of Gallery #3 and the proposed Aeration Effluent Channel extension. Please provide pricing for the subject work. Note that multiple bends may be needed in the Gallery #3 Basement to accommodate routing of the pipe to the north basement wall. When the tie-in work is scheduled, we will need to notify Operations and Maintenance to shut off necessary valves in the tunnel to facilitate the tie-in work. The existing City Water line needs to remain in service until the tie-in work begins. The City Water line supplies water to the Disinfection Building laboratory sink and safety eye wash. It is my understanding that excavation of the pipe may have caused this pipe to be gouged or perforated during excavation. Please maintain the integrity of the pipe and support it during excavation activities. If supported, excavation and slab work can continue prior to removal. Regards, Jacob yvuTy 6 Jacob M. Klosinski, P.E. oA �ry Assistant City Engineer 2 Environmental Services LJ O (574)235-9496 w reeve ;7 ikiosinsna southbendin. ov City of South Bend 3113 Riverside Drive 1865 South Bend, IN 46628 http://www.southbendin.gov IMPORTANT NOTICE! This E-Mail transmission and any accompanying attachments may contain confidential information intended only for the use of the individual or entity named above. Any dissemination, distribution, copying or action taken in reliance on the contents of this E-Mail by anyone other than the intended recipient is strictly prohibited and is not intended to, in anyway, waive privilege or confidentiality. If you have received this E-Mail in error please immediately delete it and notify sender at the above E-Mail address. Please note that incoming a -mails are not routinely screened for response deadlines, and as such, please notify the sender separately by fax of any message containing deadlines. In addition, E-Mail information cannot be guaranteed to be secure or error -free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain virus. Therefore, the sender does not accept liability for any errors or omissions in the