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HomeMy WebLinkAbout12/6/2000 - STAFF REPORTS (9) r� DATE: December 6, 2000 TO: City Council FROM: City Engineer CONSTRUCTION CHANGE ORDER NO. 2 TO GRANITE CONSTRUCTION COMPANY RECOMMENDATION: That the City Council approve Construction Change Order No. 2 to Granite Construction Company, for an increase of$35,140.00, for the Mid-Valley Parkway Phase 3, Gene Autry Trail and Ramon Road Traffic Signal and Street Improvements, City Project 99-13. SUMMARY: Granite Construction Company(Granite)is moving forward with construction of the Mid-Valley Parkway Phase 3 project. The project occurs within State Highway 111 right-of-way, requiring oversight by the California Department of Transportation (Caltrans). Caltrans determines the required pavement structural section at the time of construction. That determination has resulted in an increase of the pavement section over what was indicated on the approved plans. To maintain the project schedule, the Contractor was instructed to proceed with the extra work necessary to comply with Caltrans' requirements. BACKGROUND: On August 2,2000, Council awarded Granite a contract for construction of the Mid- Valley Parkway Phase 3, Gene Autry Trail and Ramon Road Traffic Signal and Street Improvement project. That award was based on construction bids from approved plans that specified a pavement structural section of 4.5" of asphalt concrete pavement over 6" of base material for Gene Autry Trail (State Highway 111). However, it was understood that this pavement section was subject to change, as Caltrans requires that a specific calculation be made prior to construction using information obtained from materials taken from the project site. Based upon that testing, a determination was made by Caltrans to require a pavement section of 6" of asphalt concrete pavement over 8" of base material within State Highway 111, resulting in an increase of materials and additional roadway excavation. At the time Caltrans made their determination, Granite was ready to proceed with construction of State Highway 111. Staff advised the City Manager of the necessity to comply with Caltrans, and move forward with the extra work in order to maintain the project schedule. Otherwise, the project would have been put on hold until such time that staff could present this change order to the Council for its consideration. Contract Change Order No. 2 consists of extra work necessary to comply with Caltrans' requirements to increase the required pavement structural section within State Highway 111. That work includes additional roadway excavation, asphalt concrete pavement and base material, increasing the contract amount by$35,140, Change Order No. 2, City Project No. 99-13 December 6, 2000 Page 2 Sufficientfunds to facilitate this change orderare available in account number 134- 4498-50133 (Local Measure A MVP Ph 3), and 261-4491-50133 (Reimbursable Mid-Valley Parkway Phase 3). A DAVID J. BARAKIAN City Engineer City Manager' ATTACHMENTS: 1. Minute Order 2. Change Order No. 2 REVIEWED BY DEPT.OF FINANCE 1AZ CITY OF PALM SPRINGS CONTRACT CHANGE ORDER To: Granite Construction Company Date: November 27, 2000 P. 0. Box 50085 Project No.: 99-13 Watsonville, CA 95077-5085 Project Name: MidValley Parkway Phase III — Gene Autry Trail and Ramon Road Traffic Signal and Street Improvements Change Order No.: Two (2) Attn: John Douglas Contract Purchase No.: 116172 Account Number: 134-4498-50133 and 261-4491-50133 Agr.#: 4261 M.O.# 6682 Res. # A. CHANGES IN WORK: Increase to Contract Quantities Increases to the bid items below reflect replacement of existing bid items with new bid items to comply with Caltrans' requirements to increase the required pavement structural section within Gene Autry Trail, and include additional roadway finish grading, asphalt concrete pavement and base material. Bid Items 44. Construct 6" (150mm) AC Pavement 45. Construct 8" (200mm) Class II Base Extra Work at Force Account Finish grading to re-grade portions of Gene Autry Trail to lower subgrade elevations to facilitate the pavement structural section determined by Caltrans. Decrease to Contract Quantities Decreases to the bid items below reflect replacement of existing bid items with new bid items to comply with Caltrans' requirements to increase the required pavement structural section within Gene Autry Trail. Bid Items 38. Construct 4.5" (110mm) AC Pavement 39. Construct 6" (150mm) Class II Base B. CHANGES IN COST: Increase to Contract Quantities Bid Items 44. Construct 6" (150mm) AC Pavement: 40,200 SF @ $1.73 per SF = $69,546.00 45. Construct 8" (200mm) Class II Base: 40,200 SF @ $1.07 per SF = $43,014.00 1h3 Change Order No. 2 Mid-Valley Parkway, CP #99-13 Page 2 Extra Work at Force Account Lump Sum Estimate = $ 7,000.00 Total Bid Item Increases: $119,560.00 Decrease to Contract Quantities Bid Items 38. Construct 4.5" (110mm) AC Pavement: 40,200 SF @ $1.30 per SF = $52,260.00 39. Construct 6" (150mm) Class II Base: 40,200 SF @ $0.80 per SF = $32,160.00 Total Bid Item Decreases: $84,420.00 TOTAL NET CHANGE ORDER INCREASE: $35,140.00 C. REASONS FOR CHANGES: Changes in Work were due to the addition of work necessary to comply with Caltrans' requirements to increase the required pavement structural section within Gene Autry Trail, and include additional roadway finish grading, asphalt concrete pavement and base material Summary of Costs Contract Time Original Contract Amount: $ 898,898.00 Original Completion Date: January 23, 2001 This Change Order: $ 35,140.00 Days Added for this C.C.O.: 2 Previous Change Order(s): $ 80,277.65 Previous Days Added: 15 Revised Contract Amount: $1,014,315.65 Revised Completion Date: 2/15/01 Contractor Approval: City Approval: ___________ Submitted by: Date:- has/have received a copy of this Change Order Engineering Field Supervisor and the above AGREED PRICES are acceptable to the contractor. Approved by: Date:_ City Engineer By: Approved by: Date:_ Title: City Manager Date: Distribution: Original Conformed Copies Conformed-File Copy Engineering (1) Engineering File (1) Finance (1) Engineering Field Inspector (1) Contractor (1) Engineering Field Supervisor (1) City Clerk (1) Purchasing Agent (1) 1 AY MINUTE ORDER NO. APPROVING CONSTRUCTION CHANGE ORDER NO. 2 TO GRANITE CONSTRUCTION COMPANY, FOR AN INCREASE OF $35,140.00, FOR THE MID-VALLEY PARKWAY PHASE 3, GENE AUTRY TRAIL AND RAMON ROAD TRAFFIC SIGNALAND STREET IMPROVEMENTS, CITY PROJECT 99-13. I HEREBY CERTIFY that this Minute Orderapproving Construction Change Order No.2 to Granite Construction Company,for an increase of$35,140.00,for the Mid-Valley Parkway Phase 3,Gene Autry Trail and Ramon Road Traffic Signal and Street Improvements, City Project 99-13, was approved by the City Council of the City of Palm Springs, California, in a meeting thereof held on the 6th day of December, 2000. PATRICIA A. SANDERS City Clerk 496