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HomeMy WebLinkAboutAGENDA REPORT 2015 0520 CCSA REG ITEM 10D ITEM 10.D. CITY OF MOORPARK,CALIFORNIA City Council Meeting of 3 ao ac,C ACTION: U' A I7`i� MOORPARK CITY COUNCIL � "' ""�"� r` �'� AGENDA REPORT TO: Honorable City Council FROM: Dave Klotzle, City Engineer/Public Works Director Prepared by: Al Gali, Assistant Engineer DATE: May 11, 2015 (CC Meeting of 05/20/15) SUBJECT: Consider Plans and Specifications and Authorization to Advertise for Bids for 2015 Pavement Rehabilitation (Project 8002) BACKGROUND An effective method for pavement maintenance is the periodic application of a protective slurry seal onto the pavement surface of residential streets in the City. The City's objective is to maintain a pavement rehabilitation program where approximately one-third of the residential streets in the City are resurfaced every other year, resulting in each street being slurry sealed once every six years. The decreasing amount of funding available for street maintenance has limited the number of slurry seal projects over the past fifteen years to five, with streets being resurfaced every nine to twelve years. The last slurry seal project was constructed in FY 2012/13. DISCUSSION A. Scope of Work The proposed project will include three types of pavement rehabilitation: A) Type II Slurry for some streets, B) an Asphalt Rubber Aggregate Membrane (ARAM) surface for others, and C) crack seal for non-residential streets. The slurry seal portion of the project will include sealing of existing cracks where required, the application of Type II Slurry and the re-striping of all affected streets subsequent to the application of slurry seal. The ARAM pavement surface is a type of a cape seal requiring four steps: A) sealing of existing cracks where required, followed by B) the application of an asphalt-rubber binder which is sprayed onto the existing pavement, followed 90 Honorable City Council May 20, 2015 Page 2 immediately by C) the spreading of a pre-coated rubber/gravel aggregate which is then "rubber-tire" rolled and embedded into the asphalt-rubber binder, followed several days later by D) a Type II Slurry Seal. The asphalt-rubber binder includes material from recycled tires. An ARAM pavement surface is typically used to improve deteriorated pavement at a lower cost than the traditional asphalt overlay or pavement reconstruction. Manhole and water valve covers will be adjusted to the new pavement surface as required. An agreement between the City and Ventura County Waterworks District No. 1 provides that the District will reimburse the City for the costs to adjust their sewer manholes and water valve covers. The project will also crack fill non-residential streets. These local collectors have some cracking, and sealing the cracks will prevent further deterioration. The streets included in the 2015 Pavement Rehabilitation Project are shown on the maps (Attachment 1) and listed in the charts (Attachment 2). Staff has prepared final Plans and Specifications for the subject project, a copy of which has been placed on top of the file cabinet in the City Council Conference Room. The design of the project complies with applicable requirements of the Standard Specifications for Public Works Construction. The City Engineer/Public Works Director has reviewed the entire record for the 2015 Pavement Rehabilitation Project (Project 8002), including the plans and specifications for the cape seal and slurry seal of various City streets. It is the City Engineer/Public Works Director's professional opinion that the plans and specifications relating to the 2015 Pavement Rehabilitation Project (Project 8002) were designed in accordance with reasonable, professional engineering judgment, and with due consideration for public safety. B. Project Schedule The anticipated project schedule is as follows: Advertise for Bids 05/25/2015 Bid Opening 06/18/2015 Award of Construction Contract 07/01/2015 Notice to Proceed 08/01/2015 Project Completion 09/30/2015 7 S\Public Works\Everyone\Reports\Staff Reports\2015\May\5-20-2015(ARAM Slurry Authority to Bid).tloc Honorable City Council May 20, 2015 Page 3 FISCAL IMPACT The estimated project costs are summarized as follows: Design (In-House) $ 0.00 Construction $1,195,000.00 Estimated reimbursement from VCVWVD No. 1 for adjustment of manhole and valve covers ($95,000.00) Inspection & Testing $60,000.00 Total $1,160,000.00 The proposed project funding is summarized as follows: Current FY 14/15 Fund Budget ($) 2603: TDA Article 8A $ 738,000.00 2605: Gas Tax $ 240,000.00 2609: CalRecycle Recycled Tire Grant $ 31,500.00 Total Budget $ 1,009,500.00 At this time, there is an estimated $150,500 funding shortfall. The actual funding shortfall will be determined when the construction bid amount and cost for inspection and testing is known. When the project contract is awarded by City Council, the necessary additional funding can be transferred from $563,000 of Gas Tax funds (Fund 2605) currently budgeted for the Arroyo Drive Overlay project (Project 8092). The Arroyo Drive Overlay project will not be constructed for several years, and additional funding from sources yet to be determined will most likely be required for the completion of that project. STAFF RECOMMENDATION Approve the plans and specifications for the subject project and authorize staff to advertise for construction bids. Attachments: 1 — Pavement Rehabilitation Location Maps 2 — List of Streets 9 2 S:\Public Works\Everyone\Reports\Slaff Reports\2015\May\5-20-2015(ARAM Slurry Authority to Bid).doc Attachment 1 . ti , a. 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