BRICK SIDEWALK WORK: • Removal and disposal of failed sidewalk foundations consisting of a compacted asphaltic sand setting bed. • Removal and disposal of failed sidewalk foundations consisting of concrete. • Installation of a 4” thick compacted DGA subbase as well as a 1” thick compacted asphaltic sand base as specified in the attached technical notes. • Installation of a 4” thick compacted DGA subbase as well as a 4” thick concrete base as specified in the attached technical notes, which will include a 1” thick masonry setting bed. • Installation of a 1” thick stone dust setting bed on compacted subgrade of 4” thick DGA • Provision of brick samples for approval by the City. • Edge restraints, as specified and where directed to be installed per the manufacturer’s instructions. • Installation of approved pavers on the restored and/or existing sidewalk foundations using the adhesive as specified and directed on the attached BIA Tech Note 14B. Please note that the surface of the existing base to remain and be reused shall be swept completely clean and inspected prior to paver installation. • Installation of polymeric masonry sand, broom swept and watered into joints where directed. BRICK WALL WORK: • Building/Rebuilding brick walls as specified and detailed. • Dismantling compromised walls to the extent necessary, taking care to clean and preserve salvagable bricks. • Repointing/pointing brick joints with mortar to be approved by the City prior to use, in regard to composition, color, and joint profile. The Contractor shall be responsible to ensure that the sample mortar is demonstrated on a maquette for Owner satisfaction prior to beginning work. • Provision of brick samples to match existing walls for approval by the City. Bricks shall be installed using an industry standard. • The Contractor shall include provision for CMU, concrete and reinforcement steel as necessary. • Provision for appropriate cleaning techniques, including but not limited to low-pressure washing, chemical cleaning, or abrasive methods, depending on the sensitivity of the masonry.
