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HomeMy WebLinkAbout13-Public Works CITY OF SAN BERIORDINO From: ROGER G. HARDGRAVE - REQUEST ())R COUNCIL ACTION File No. 2.144 Approval of Contract Change Order Subject: O. FOUR Assessment District No. 987, Chestnut Avenue Storm Drain, Zone 2, Plan No. 8163 - Place Concrete and Rip-Rap --RIVERSIDE CONSTROCTION Dellt: Public Works/Engineering Date: 6-03-92 Synopsis of Previous Council ection: 02-06-89 -- Authorization granted to proceed with Assessment District No. 987, Palm Avenue Box culvert and traffic signals. 02-06-89 -- Authorization granted to proceed with Assessment District No. 988, Chestnut Avenue Storm Drain and Debris Basin. 03-20-89 Authorization granted to proceed with assessment district for improvement of Palm Avenue. 04-03-89 Authorization granted to combine Assessment District No. 988 and Palm Avenue Improvements into Assessment District No. 987. 05-15-89 -- Resolution No. 89-44 adopted authorizing execution of an agreement with GFB - Friedrich & Associates, Inc. for assessment enqineerinq services. (Cont. on 'nn P~qpl Recommended motion: That Change Order No. FOUR to the contract with Riverside Con- struction for the construction of a Storm Drain and Retention Basin, located at Meechum Canyon, in accordance with Plan No. 8163 be approved, to authorize the Contractor to place concrete and rip-rap at the water chute of the retention basin, for an increase in the contract price of $19,895.00, from $2,556,356.22 to $2,576,251. 22. cc: Shauna Clark ~G Signature Contect person: Roger G. Hardgrave Staff Report, Supporting date attached: CCO 1I4 Phone: 502'i Ward: c; FUNDING REQUIREMENTS: Amount:$19.895.00 (Assessment Dist. No. 987) Source: (Acct. No.) 251-663-53925 Acct. Oescri tion Finance: Council Notes: 75-0262 Agenda Item No /3 o o File 2.144 SYNOPSIS OF PREVIOUS COUNCIL ACTION (Cont.) 05-15-89 -- Resolution No. 89-148 adopted authorizing execution of an agreement with Stone and Youngberg for investment banking services. 05-15-89 -- Resolution No. 89-150 adopted authorizing execution of an agreement with CM Engineering Associates for engineering design services for the Chestnut Avenue Storm Drain. 05-18-89 -- Resolution No. 89-146 adopted setting a surcharge fee of $ 0 . 09 per square foot for Chestnut Storm Drain area. 05-07-90 -- Resolution No. 90-164 adopted authorizing execution of a Common Use Agreement with County for Palm Avenue Box Culvert at Cable Creek Channel. 05-07-90 -- Negative Declaration adopted for Palm Avenue improve- ments, box culvert and traffic signals, Public Works Project No. 90-08. 05-21-90 -- Resolution No. 90-188 adopted authorizing execution of an Agreement with Orrick, Herrington and Sutcliffe for bond counsel services, and rescinding Resolution No. 89-148. 06-05-90 Resolution No. 90-212 adopted adjusting Chestnut Avenue drainage surcharge to $0.13 per sq. ft. 06-18-90 Negative Declaration adopted for Chestnut Avenue Storm Drain and Debris Basin Public Works Project No. 90-07. 10-15-90 Resolution No. 90-416 adopted authorizing execution of an agreement with Department of Fish & Game for streambed alterations. 03-11-91 Resolutions No. 91-69 through 74 and 80 adopted relating to establishment of Assessment District No. 987. 07-15-91 Resolution No. 91-335 adopted awarding a contract to Riverside Construction, for the low bid price of $2,469,567.69. 08-19-91 -- Resolution No. 91-376 adopted authorizing contractual services of Lloyd Weverka as resident engineer. 6-03-92 CITY OF SAN BERtORDINO - REQUEST Q)R COUNCIL ACTION STAFF REPORT Construction of the retention basin at Meechum Canyon, as part of the Chestnut Avenue Storm Drain System, will provide' protection from possible flooding of the area. The water chute at the top of the retention basin, directly above the spillway, was constructed to provide the retention basin with an overflow mechanism, preventing the walls of the retention basin from being breached. Concrete and rip-rap were originally included in the plans, in order to control erosion and prevent potential damage ~n case of an overflow from the basin. However, these items were deleted in a cost saving measure. The Contractor has stated that he will not assume responsibility for any damage to the spillway, if the concrete and rip-rap are not constructed. The project is nearing completion, and there are suffi- cient contingency funds to finance this extra work. Installation of the concrete and rip-rap will reduce the City's exposure for maintenance costs in the future. The Contractor has quoted a price of $19,895.00 for con-- structing the concrete and rip-rap protection at the water chute. We have reviewed the quoted price, and feel that it is fair and reasonable for the work involved. There is a current balance of $335,711.81 in contingency funds, that will be used to finance the cost for this extra work. We recommend that the Contractor be authorized to perform these items of extra work. 6-03-92 75-0264 o o C I T Y o F SAN BERNARDINO DEPARTMDI'1' OF PUBLIC WOUB ENGINEERING DIVISION Project: Chestnut Avenue storm Drain File No.: Plan No.: Date: 2.144 8163 5/26/92 CONTRACT CHANGE ORDER NO. FOUR TO: Riverside Construction Company 111 Main street, P.O. Box 1146 Riverside, CA 92502 Gent18ll8D: You are hereby authorized and directed to place concrete and rip- rap, 1.5 feet thick, at the water chute of the Retention Basin, located at Meechum Canyon, at the aqreed price of $19,895.00. Total Extra Work Cost added to Contract .........$ 2.55'.35'.22 Previou8 Contract Price .........................$ 19.815.00 aaended Coat Price ............................... 2.57&.251.22 Additional ti.e to complete Contract due to Chanqe Order -0- CONTRACTOR CITY OF SU BERJlARDIIIO Accepted By: Reco_ended By: Title: ROGER G. HARDGRAVE DATE Director of Pulllic Works/City Enqr Date: