Laserfiche WebLink
<br />5.6.5 Drainage System Criteria <br /> <br />If an underground drainage system is required, and a GO-inch or smaller pipe will handle the <br />design flow, pipe shall be used. If a 60-inch pipe is not adequate, the developer has the option to <br />use concrete pipe or natural and/or a lined open drdinage channel. If pipe is selected, the <br />maximmn allowable velocity shall be Sfps in the pipe. Lining materials, if used, shall be approved <br />by the City. <br /> <br />5.6.6 Public stonn sewers are defined as sewers and appurtenances that provide drainage for a public <br />right-of-way, or more than one private tract, and are located in public right-of-way or easement, <br />private storm sewers provide internal drainage for a reserve or other tract. Private stonn or sewer <br />connections to public storm sewers shall occur at a manhole or at the back of an inlet as approved <br />by the City Engineer. All private storm sewers within the public right-of-way shall be constructed <br />in confomllUlce with the Standards. <br /> <br />5.6.7 All construction shall conform with the City of La Porte Construction Details. <br /> <br />5.6.8 All storm sewers shall meet or exceed the requirements of the "Drainage Criteria Manual for <br />Harris County. Texas" and the requirements of the City of La Porte. <br /> <br />5.7 LOCATION OF STORM SEWER <br /> <br />5.7.1 Public storm sewers shall be located within a public street right-of-way or storm sewer easement, <br />dedicated to the public and adjoining a public street right-of-way. Storm sewers through side lot <br />drainage easements are highly discouraged. Umited use may be approved at the discretion of the <br />City Engineer. lfapproved, a minimum twenty-foot (20') wide easement is required (10' on each <br />lot). <br /> <br />5.7.2 Recommended alignment within a public street right-of-way. <br /> <br />A. Boulevard pavement section with median - along centerline of the right-of-way. <br />B. Undivided pavement section five feet (5') inside tbe right-of-way. For storn1 sewer <br />located in a public street right-of-way, a minimum of two-foot (2') shall be maintained <br />inside the right-of-way line to the outside edge of the storm sewer unless othenvise <br />accompanied by an adjacent easement. <br />C. Alternate locations for a storm sewer may be permitted by the City Engineer. <br /> <br />5.7.3 Recommended alignment within an exclusive storm sewer easement. <br /> <br />A. Storm sewers placed in easements shall conform to the requirements of Section 2.4.5 <br />B. Storm sewers within easements shall be placed no closer than five feet (5') measured <br />from the outside edge of the pipe to the edge of an easement. except when aqioining <br />another easement or public right-of-way where the distance may be reduced to two feet <br />(2'). TIle storm sewer shall be placed in the center of the easement. When the storm <br />sewer easement adjoins a public right-of-way, the easement may be reduced to a <br />minimum often feet (10') and the storm sewer maybe aligned close to the right-of-way <br />line, as long as required clearances are met with specific approval of the City Engineer, <br /> <br />5.8 STORM SEWER MATERIALS <br /> <br />5.8.1 Storm sewer and culvert pipe shall be precast reinforced concrete pipe, unless specifically <br />approved by the City Engineer. Concrete pipe sllall be manufactured in conformance with the <br /> <br />Stoffilwater Criteria Page II of 10 <br />