Laserfiche WebLink
a Borin or Jackin . <br /> ( ) 9 9 <br /> (1) Pits and Shoring. Boring or jacking und r rights-of-way shall be <br /> accomplished from pits located at a minimu distance specified by <br /> the Director of Engineering & Infrastructure from the edge of the <br /> pavement. Pits for boring or jacking shall b excavated no more <br /> than 48 hours in advance of boring or jacki g operations and <br /> backfilled within 48 hours after boring or ja king operations are <br /> completed. While pits are open, they shall be clearly marked and <br /> protected by barricades. Shoring shall be d�esigned, erected, <br /> supported, braced, and maintained so that it will safely support all <br /> vertical and lateral loads that may be impo ed upon it during the <br /> boring or jacking operation. <br /> (2) Wet Boring or Jetting. Wet boring or je ing shall not be <br /> permitted under the roadway. <br /> � (3) Borings with Diameters Greater Than Inches. Borings over <br /> six inches in diameter shafl be accomplish d with an auger and <br /> following pipe, and the diameter of the au �er shall not exceed the <br /> outside diameter of the following pipe by ore than one inch. <br /> (4) Borings with Diameters 6 Inches or Le s. Borings of six inches <br /> or less in diameter may be accomplished y either jacking, guided <br /> with auger, or auger and following pipe m thod. <br /> 41 <br /> . I <br />