Laserfiche WebLink
1 <br /> J. Stability of Excavations: <br /> 1 1. Slope sides of excavations to comply with local codes and ordinances <br /> having jurisdiction. <br /> 2. Shore and brace where sloping is not possible because of space <br /> restrictions or stability of material excavated. <br /> 3. Maintain sides and slopes of excavations in safe condition until <br /> completion of backfilling. <br /> K. Shoring and Bracing: <br /> 1. Establish requirements for trench shoring and bracing to comply with <br /> local codes and authorities having jurisdiction. <br /> 2. Maintain shoring and bracing in excavations regardless of time period <br /> excavations will be open. Carry down shoring and bracing as excavation <br /> progresses. <br /> L. Dewatering: <br /> 1. Prevent surface water and subsurface or groundwater from flowing into <br /> excavations. <br /> 2. Do not allow water to accumulate in excavations. <br /> 3. Provide and maintain pumps, well points, sumps, suction and discharge <br /> lines, and other dewatering system components necessary to convey <br /> e water away from excavations. <br /> M. Stockpile satisfactory excavated materials where directed, until required for <br /> backfill or fill. Place, grade and shape stockpiles for proper drainage. <br /> ' N. Trenches shall be uniform width required for the particular item to be installed, <br /> sufficiently wide to provide ample working room. Provide minimum 8 in. <br /> ' clearance on each side of pipe or conduit. <br /> 1. Excavate trenches to depth indicated or required for indicated flow lines <br /> and invert elevations. <br /> 2. Where rock is encountered, carry excavation 6 in. below scheduled <br /> elevation and backfill with a 6 in layer of crushed stone or gravel prior to <br /> installation of pipe. <br /> 3. For pipes or conduit 5 in. or less, excavate to indicated depths. Hand <br /> excavate bottom cut to accurate elevations and support pipe or conduit <br /> on undisturbed soil. <br /> 1 <br /> ' 05/08 02221-7 05-4893 <br />