Title
AN ORDINANCE APPROVING THE AWARD OF BID NO. 324-17/18 (curb) FOR THE CURB REPAIR 17/18 PROGRAM TO PHOENIX CONCRETE & UNDERGROUND L.L.C. AND AUTHORIZING THE CITY MANAGER TO ENTER INTO AN AGREEMENT FOR THE SAME IN THE AMOUNT OF $1,572,051.54. (PWC 7/18/17)
Body
Issue/Request:
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Key Issues:
? The annual Curb Program replaces damaged and deteriorated curb on streets scheduled for overlay in the following fiscal year
? The annual Curb Program updates sidewalk approaches to current specifications required by Federal Americans with Disability Act (A.D.A.).
Proposed City Council Motion:
FIRST MOTION: I move for a second reading of AN ORDINANCE APPROVING THE AWARD OF BID NO. 324-17/18 (curb) FOR THE CURB REPAIR 17/18 PROGRAM TO PHOENIX CONCRETE & UNDERGROUND L.L.C. AND AUTHORIZING THE CITY MANAGER TO ENTER INTO AN AGREEMENT FOR THE SAME IN THE AMOUNT OF $1,572,051.54.
SECOND MOTION: I move for adoption of AN ORDINANCE APPROVING THE AWARD OF BID NO. 324-17/18 (curb) FOR THE CURB REPAIR 17/18 PROGRAM TO PHOENIX CONCRETE & UNDERGROUND L.L.C. AND AUTHORIZING THE CITY MANAGER TO ENTER INTO AN AGREEMENT FOR THE SAME IN THE AMOUNT OF $1,572,051.54.
Background:
Much of the curb and gutter placed in the KC Metro between 1985 and 2005 was installed using local limestone aggregate that was of poor quality because it was relatively soft compared previous sources of rock. The aggregate still met local specifications, and worked well for buildings, foundations and most structures. However, when used for paving, curb, or sidewalks, the aggregate was prone to fail within 10 years. The frequent and harsh freeze-thaw cycling, combined with wet conditions, accelerated the concrete failure process “D-cracking” that disintegrates concrete from the inside out. The soft limestone absorbs water, then the water freeze; it expands and cracks the rock from the inside out. This process took several years to surface, and t...
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