R-2004-03 adopt portion of “PICM" relating to water system design criteria and improvements

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e e required by the City of La Porte, extend the casing uninterrupted from building line to building line. No horizontal or vertical deflections are allowed. Construct encased water line of ductile iron or restrained joint bell and spigot pipe to prevent lateral movement. Provide and install casing spacers and end seals. This item shall only apply to publicly maintained lines. 2. The use of steel pipe for use as a water line transmission pipe is prohibited. Steel pipe shall only be used for water line casings only. 3. Water Line Testing: All newly installed water lines shall be designed to hold 125 psi hydrostatic pressure for 4 hours. If a leak is detected within that 4 hours, an 8 hour test shall be required. Hydrostatic tests shall be performed per A WW A standard specifications for installation of cast iron water main C-600. 4. Chlorination: All newly insta1led water lines shall have to pass bacteriological testing before being accepted for maintenance by the City of La Porte. The City will conduct the bacteriological testing. The City will pay for passing tests and the developer/contractor shall be responsible for the cost of failed tests. C. Location (See Table 3.1) 1. Boulevard streets: If approved, public water lines, may be located within the esplanade. Water lines should be located as near the centerline as possible to avoid conflict with future pavement widening. The lines should be located in the street right-of-way to avoid conflict with future pavement widening. 2. Locations within an easement: Locate water lines in the center of a 10-foot minimwn width dedicated water line easement For location within side lot easements, the minimwn easement width shall also be 20 feet. The Director of Planning or his designated appointee may require a wider easement if the line is to be buried more than 8 feet deep from natural ground surface at any point in the easement. Obtain approval from the City of La Porte for lines to be located in smaller or multi-use easements. 3. When a water line is placed parallel to but not crossing any other proposed or existing utility line, other than a sanitary sewer, the water line shall have a minimwn of 4 feet horizontal clearance from the outside wall of the existing utility to the outside wall of the proposed waterline. Any proposed deviation from these criteria must first be approved by the Director of Planning or his designated appointee. 4. A minimum distance of 2 feet shall be maintained from the right-of-way or easement line to the outside edge of the water line.