02-09-2012 Planning Comm. Agenda

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Watermain language is being added to specify the City's design requirements for looping and avoidance of dead -end water lines. As with lift stations, dead -end water lines require extensive maintenance and flushing, and often result in poor water quality issues. The purpose of this clause is to avoid long -term costs that are attributable to a specific development, but result in spreading those costs to the general City budget. Both the lift station and watermain amendments are proposed to be located in Sections 1006 (Design Standards) and 1008 (Required Basic Improvements) which creates a cross reference to the Design Standards. The following text includes the proposed language. Section 1006.070 13. All public improvements shall be designed to comply with the standard detail plates for such improvements as adopted by the City Council. Such improvements may include but are not limited to, sanitary sewer, watermain, street, curb and gutter, stormwater, public area landscaping and restoration, and other improvements required by the City as a part of a subdivision approval. 1. Where lift stations are proposed to be installed in the City of Little Canada, such equipment must meet the type, make, and manufacturer of the current City standard lift station identified in the standard detail plates, and the employment of a lift station shall be at the sole discretion of the City . All lift stations shall have a minimum of two pumps. The Cif shall review the location and all possible gravity service options prior to making the determination of a new lift station approval. Factors considered will include future operation and maintenance costs of a lift station and the servicing of adjacent properties to limit the number of lift stations in the City. Back -up power generation shall be required for all new lift stations through the use of an on -site natural gas generator._ Documentation _on. the .,size. make, and model of the generator to be used must be submitted to the City for approval. 7, Any public watermain system extension within the City must be reviewed and approved by the City. It is the Citygoal to provide for a looped watermain system for improved serviceability and fire protection. The City shall review the location of the extension, the surrounding watermain system. and adjacent properties to determine if a looping will be required. if so required by the City, the water system shall be looped to eliminate dead end sections. Subdivision requests may be denied where compliance with City design requirements for looping or other standards are not met.