R2022-128 Resolution Accepting the Bid and Authorizing the Execution of a Contract with Dunn Company, A Division of Tyrolt, Inc., for Annual Street Restoration Project, City Project 2022-08

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SPECIAL PROVISIONS The following Special Provisions supplement the "Standard Specifications for Road and Bridge Construction", Adopted January 1, 2022, the latest edition of the "Manual on Uniform Traffic Control Devices for Streets and Highways", and the "Manual of Test Procedures of Materials" in effect on the date of invitation of bids, and the Supplemental Specifications and Recurring Special Provisions indicated on the Check Sheet included here in which apply to and govern the construction of the 2022 Street Restoration Project, and in case of conflict with any part, or parts, of said Specifications, the said Special Provisions shall take precedence and shall govern. SP-1 DESCRIPTION OF WORK The proposed improvement, designated as Section 22-00208-00-FP, City Project 2022-08, consists of milling and overlaying various City streets at the depths specified, and reconstructing Roosevelt Avenue with a soil cement stabilized base course. There are also HMA patching, utility adjustments and replacements, and thermoplastic pavement markings on various streets. SP-2 HOT MIX ASPHALT MIXTURE REQUIREMENTS Mixture Use Class D Surface, Level Surface HMA Binder Patches Binder(See Course Typical) & Incidental AC /PG PG 64-22* PG 64-22 PG 64-22* PG 64-22* Design Air Voids 4.0% @ 4.0% @ 4.0% @ 4.0% @ ' Ndes = 50 Ndes= 50 Ndes= 50 Ndes= 50 Mix Com (Gradation) IL 19.0 IL 9.5 IL 9.5 IL-19.0 Friction Aggregate N.A. Mix C Mix C N.A. * If 20% or more RAP is used, PG 58-22 binder will be required. ' SP-3 TRUCK LOADING TO REDUCE MIX SEGREGATION Description: The mix is to be dumped into the haul truck in mass. Prior to loading, enough mix is to be in the bin or silo to load the truck. The truck is to be loaded in a maximum of three dumps. The initial load is to be in the rear 1/3 of the truck, the second dump in the front 1/3 of the truck and the final dump in the middle. Basis of Payment: Cost of the work will not be paid for separately but shall be considered as included with the various work items involved. SP-4 BITUMINOUS MATERIALS (TACK COAT) Description: This work will consist of utilizing bituminous materials in accordance with Section 406.02 of the Standard Specifications and as modified herein. The bituminous material allowed as tack on brick, concrete, bituminous or aggregate bases shall be CSS-lh or RC-70. Basis of Payment: All labor and materials necessary to comply with this specification will be paid for at the contract unit price per POUND for BITUMINOUS MATERIALS (TACK COAT). 4