Laserfiche WebLink
DESIGN <br /> Repair of the streets includes a number of different repair methods, each with several <br /> details depending on the type of repair and severity of the damage. For the purpose of <br /> this report and for estimating costs, the repair methods have been generalized into eight <br /> areas as follows: <br /> 1. Joint Repair, Type.A <br /> 2. Joint Repair, Type B <br /> 3. Crack Repair, Type A <br /> 4. Crack Repair, Type B <br /> 5. Spot Surface Repair <br /> 6. Edge Repair <br /> 7. Full Depth Repair <br /> 8. Full Panel Replacement <br /> Joint repair, Type A, consists of removing existing seal, sawcutting the joint, cleaning <br /> joint by sandblasting and airblasting, installing backer rod a-nd joint sealer by <br /> sawcutting and chipping or milling. <br /> Joint repair, Type B, is removing concrete, 5 inches wide minimum, on each side of the <br /> joint, a minimum length of 6 feet and.a minimum depth of 2 inches, cleaning exposed <br /> concrete by sandblasting and airblasting, applying bonding grout, restoring joint, placing <br /> concrete and seal joint. <br /> Crack repair, Type A, consists of sawcutting or routing the crack, sandblasting and , <br /> airblasting, installing bond breaker and seal joint. <br /> Crack repair, Type B, and spot surface repair are similar and consist of removing <br /> concrete by sawcutting and chipping or milling a minimum of 5 inches on each side of <br /> the crack or edge of spot repair, a minimum length of 6 feet and 2 inch minimum depth, <br /> .cleaning exposed surface by sandblasting and airblasting, applying bonding grout, <br /> restoring joint.of crack, place concrete and sealing joint or crack. <br /> Edge repair is similar to the spot surface repair; however, if sufficient concrete is <br /> removed, reinforcing steel may be required to help tie the repair area to the existing <br /> pavement. <br /> -3 <br />