59-16 Enact Ch 904 Use of Public Right of Way by Service Providers

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stallation. (2) Concrete work shall conform to current best practices for durability, in- cluding American Concrete Institute, National Ready Mixed Concrete Association or other nationally accepted standards governing cold weather and hot weather installations and durability. The standard uti- lized shall be specified in the plans and specifications provided to the City for sidewalk restoration and subject to City approval. (3) Sidewalks shall be protected from mars (such as footprints) and vandal- ism until the concrete has achieved hardness sufficient to resist such marring. Blemished or vandalized sidewalk blocks, and concrete dis- playing scaling, crazing or blistering, must be removed and re- poured. (4) Curing compound shall be applied as per the manufacturer's instruc- tions. (5) Stone sidewalks that are not already cracked shall be preserved for re- installation if that is the preference of the owner of abutting property. (A) A contractor with expertise in setting stone walks shall reset stone on compacted finely crushed stone base. (B) Pronounced peaks and valleys within sidewalk must be avoided. (C) In the event that a stone sidewalk is damaged as a result of Con- struction work in the Public Right -of -Way, it shall be replaced with a stone sidewalk block, unless this requirement is waived in writing by the Director. (6) New commercial driveway aprons shall provide an 8-inch thick con- crete slab, or greater thickness slab if directed by the Director. Repairs may match the depth of the existing apron. (7) Truncated dome material on curb ramps shall be of a style and color approved by the Director. (q) Trees in Public Right -of -Way (1) In performing any Construction work which may impact trees with roots, trunk or branches within the Public Right -of -Way, the Service Provider shall avoid soil compaction and impact by use of methods such as construction fencing. (2) When tree roots must be affected by any Construction work within the Public Right -of -Way, the Service Provider shall obtain recommenda- tions regarding protective construction practices from a certified arbor - ist having expertise in tree preservation, which recommendations shall be subject to the approval of the Director or his or her designee. Soil compaction and root cutting shall both be considered to require protec- tive construction practices. The arborist's recommendations shall be provided to the Director or his or her designee prior to commencement of Construction. (3) Trees within the Public Right -of -Way shall not be removed without the written consent of the City following a request submitted to the Direc- {02299394 - 1)