R98-26 ACCEPTING THE PROPOSAL AND AUTHORIZING AN AGREEMENT

Home Browse Search

. � PROJECT UNDERSTANDING AND APPROACH Over the past eighteen years, TANK INDt1STRY CONSULTANTS and Clark Deitz, Inc. have developed a practical and economical project approach to analyzing a water works system and then proceeding with a new tanlc project. This project approach has proven to be extremely ef- fective in delivering a new tank that is: • sized to meet today's requirements and tomorrow's growth ' • located to o timize pumping and work with the existing tanks P • designed to minimize future maintenance • designed to control construction costs and reduce change orders • constructed to meet our clients' needs over decades of use Because TIC has assembled a complete team of surveyors, geotechnical engineers, "hydraulic" engineers, "tank" engineers, and other specialized professionals to successfully complete this unique project, "TIC will be used throughout this proposal section to represent the entire team of Professionals listed in Section 5 of this proposal. BaCkgrOund: The City of Decatur retained H �� aternslstem. tThisesudy,acompleted n sources, Storage and Production Study" of the C y Y 1996, served as the basis for several distribution system improvements. Because these improve- ments were not part of HARZA's study, it is now necessary to determine the exact scope and re- , quirements of these improvements. Prior to HARZA's study, CDI developed a water distribution model of the City's system. The model has been run for various scenarios reflecting numerous possible modifications to the water distribution system, including a new elevated water tank. South Side System: The City's staff has experienced first hand several operating problems on the south side of the water works system. These problems have included: low pressures (in fact, even "negative" pressures), insufficient water storage, and the resulting customer complaints. Although the City's personnel know what the problems are, a complete study has not yet been performed to determine the possible solutions to these, and possibly other problems which may � not have surfaces yet. Based upon how the system PWaterlt k w 11 solve these problem�sit is be- lieve d t ha t t he co n s t r u c t i o n o f a n e w 2.O M G e l e v a t e d Because the City of Decatur owns property near the South Water Treatment Plant, this property should be considered. This property is located at lo e D vation. This potential new tank site has numerous ov e r h e a d p o w e r l i n e s an d i s l o c a t e d a t a The south side system poses several significant challenges. These challenges include: • A slight growing demand from Mount Zion (also drawing from the south side plant) : • In speaking with Mr. Jamie Bowden, City Manager at Mount Zion, Mount Zion is concerned about Decatur maintaining pressures of approximately 45 psi in accordance with their contract and maintaining their required flow rates. 3-1