09-16-2004 Regular Meeting, Public Hearing, and Workshop Meeting of the La Porte Planning and Zoning Commission

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• • E. Deceleration lanes for right-turns into driveways shall be required if necessary as determined by a TIA to minimize driveway/roadway conflicts. Such determination may be based on a TIA that the City of La Porte may require of the developer. 1. No driveway shall be permitted within the transition area of a right-turn or deceleration lane, unless otherwise approved by the Director of Planning or his designated appointee. 2. The developer shall be responsible for the design, ROW adjustment of utilities, and construction costs of any auxiliary and deceleration lane required as a condition of these driveway design criteria. 3. An additional 10 foot street easement shall be provided for the deceleration lane itself for non-residential developments where it is deemed necessary by the City of La Porte. 4. Refer to Article 6.03, Section H of PICM for deceleration/auxiliary lane design standards. 5. No fence, wall, screen, sign, structure, foliage, hedge, tree, bush, shrub, berm, driveway planting, parking, or any other item, either man-made or natural shall be erected, planted, or maintained in a position that will obstruct or interfere with a driver's clear line of sight within the sight triangle as mentioned in Article 7.09, Section B above. 6. Minimum Right Turn Lane Storage (Use the minimum storage bay length set forth in Article 6.03, Section I, Clause 1 of these design criteria for right turn lanes.) a. A minimum separation of ] 0 feet shall be provided from a preceding driveway curb return to the transition of a right-turn lane. b. No driveways are permitted within the transition area of the right turn lane under any circumstances. 7.10 UTILITY COORDINATION A. Avoid placing new manholes, new fire hydrants, new water valves, new water meters or other appurtenances in existing driveways or in the street in front of, or immediately adjacent to, an existing driveway except by explicit permission of the City of La Porte. B. Culverts: 1. Residential a. Residential culverts shall be reinforced concrete pipe. Corrugated metal pipe will not be approved. b. Corrugated Plastic Pipe may be used in lieu of concrete pipe if the manufacturer's recommendations for depth of cover and bedding requirements can be met. If the manufacturer's recommendations are less than the City of La Porte minimums per the standard details, then the City of La Porte depth of cover requirements shall be used. c. Culverts shall be placed at all driveway and roadway crossings, and other locations where appropriate in open ditch roadway sections. There shall be no distinction made between driveway culverts and the underground storm sewer system in closed conduit curb and gutter street sections. d. Residential culverts must be purchased by the landowner. e. Residential culverts 36 inches in diameter and larger must be purchased in 4 foot sections. f. Residential culverts and appurtenances will be installed by the City of La Porte Public Works Deparhnent in open roadside ditch situations provided they are 36 inches in diameter or smaller. Residential driveway culverts larger than 36 inches in diameter shall be installed by a private contractor of the owner's choosing at the owner's expense. 2. Driveway culverts will be sized by the City of La Porte Planning Department except when the proposed driveway will tie into an Harris County or Texas Department of Transportation Driveway Requirements Page 7 of 10