Title
CONSIDERATION AND AWARDING OF BID-2021-36 FOR THE PURCHASE OF PLANT MIX ASPHALT FOR THE STREET MAINTENANCE AND STORMWATER DIVISIONS.
Body
BACKGROUND: The City of Norman's Street Maintenance Program utilizes the following asphalt materials on a regular basis throughout the year:
Superpave Type S-3, Type S-4 and Type S-5 is a base/surface course material with an aggregate gradation or blend of the mix containing larger aggregate with added modified polymers. These modified asphalt materials have qualities of compressive strength and increased shear resistance, and are used either as a base material or as pavement surface course material, per City of Norman Standard Specifications for paving of streets.
Emulsified Asphalt, Type SS-1 is for tack coat application on existing pavement surfaces and prime coat application on non-cohesive soil subgrade.
Container Patch Mix - Densely graded cold patch mix for pothole patching. For surface course asphalt concrete mix, use insoluble asphalt cement, for base courses, use binder asphalt cement.
With the exception of Emulsified Asphalt and Container Patch Mix all other materials are hot mix-hot applied and they are bid on the basis of dollars per ton delivered to the job site. These bid prices are adjusted for zone delivery as follows:
Zone Delivery of Asphalt Materials
* ZONE 1 - Centerline of Interstate 35 to western City Limits.
* ZONE 2 - South right-of-way line of Robinson Street to northern City limits, centerline U.S. Interstate 35 to right-of-way of 60th Avenue East.
* ZONE 3 - South right-of-way line of Alameda Street to northern City limits, east right-of-way line of 60th Avenue East to eastern City limits.
* ZONE 4 - South right-of-way line of Alameda Street to southern City limits, east right-of-way line of 60th Avenue East to eastern City limits.
* ZONE 5 - South right-of-way line of Robinson Street to southern City limits, centerline Interstate 35 to right-of-way line of 60th Avenue East.
Zone deli...
Click here for full text