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Home My WebLink AboutPW Hillside Ave. Open Space Slide RepairsCITY ,. OF SAN RAFAE L P 0 60X 60, SAN RAFAEL. CALIF 94915 PHONE !4151456-1 112 AGENDA ITEM NO.: 8 MEETING DATE: August 20 { 1984 REPORT TO MAYOR AND CITY COUNCHL SUBJECT:REOUEST FOR AUTHORIZATION TO PROCEED WITH SOILS INVESTIGATION - HILLSIDE AVENUE OPEN SPACE SLIDE REPAIRS SUBMITTED BY:...APPROVED BY: D' ct of Public Works (LS) city Man:yor FILE REF: 05.01.28 DATE: August 20, 1984 16.11.32 SUMMARY: At the meeting of November 7, 1983, the Council adopted a resolution to purchase the Hillside Avenue Open Space parcel. Additionally, they passed a resolution to authorize the expenditures from Open Space Fund No. 17 for the purpose of acquisition and slide repairs on the parcel. A current geotechnical report, with recommendations, was prepared by Donald Herzog and Associates in June of this year. We have since requested a proposal from them to prepare plans and specifications for the implementation of their recommendations. Following is a summary of the estimated costs for preparing the required documents: Interim Winterization High Risk Areas . . . Low Risk Areas . . . $1,500 10,800 8,100 It is anticipated that the work will not be able to be completed this year. Therefore, an interim winterization plan will be implemented prior to the rainy season. RECOMMENDATION: I RECOMMEND THAT THE CITY COUNCIL, BY MOTION, AUTHORIZE THE CITY MANAGER TO EXECUTE A SERVICE AGREEMENT WITH DONALD HERZOG AND ASSOCIATES TO PREPARE PLANS, SPECIFICATIONS AND ESTIMATES FOR THE STABILIZATION OF THE HILLSIDE AVENUE OPEN SPACE, WITH ALL COSTS TO BE DRAWN FROM OPEN SPACE FUND NO. 17. Enclosure (1) 1. Service Agreement. File No. `-� _..1-z .!�.... _ / --3 7Zx CQII!?f.I! M,eCilPll: ------- 1P_ _��_�..L...... i:;pOSi(IUi7 -- - - - -- ....... ,J p—; scp DONALD HERAU & ASSCTIATES, INC. GEOTECHNICAL CONSULTANTS July 24, 1984 822.12-0-1 City of San Rafael Attention: Andy Preston Department of Public Works 1400 Fifth Avenue San Rafael, California 94901 Proposal Geotechnical Services San Rafael Open Space San Rafael, California This letter presents our proposal to perform geotechnical engineering services for San Rafael Open Space located near Hillside Avenue in San Rafael, California. We previously performed a geotechnical reconnaissance at the site and presented our findings and recommendations in a written report dated June 14, 1984. In that report, we noted areas of erosion and landsliding. The scope of our work is to provide a topographic survey of the landslide and erosion areas to prepare the plans and specification. We intend to subcontract the survey work. Our plans and specifications are the following: 1. Working drawings to perform the repair. 2. Special provisions of the project specifications. 3. An engineer's estimate to perform the work. We propose that we perform the work on a time and materials basis in accordance to the attached Standard Schedule of Charges. Offices: ❑ 275 Miller Avenue, Mill Valley, California 94941 (415) 383-7740 ■ Soil Engineering, Engineering Geology ❑ 3060 Cleveland Avenue, Santa Rosa, California 95401 (707) 523-3880 and Laboratory Testing for Buildings, ❑ 2180 Jefferson Street, Suite 107, Napa, California 94558 (707) 224-5411 Dams, Landfills, Bridges and Roads City of San Rafael San Rafael Open Space San Rafael, California Page 2 - July 24, 1984 We estimate that our fee will be as follows: Geotechnical services Areas A, C, D and E $6000 Geotechnical services Areas B, F and G $4500 Topographic Survey Areas A, C, D and E $4800 Topographic Survey Areas B, E and F $3600 We would not exceed the above amounts without your written authorization. Construction inspection services are not included in the above fee. We are currently seeking other estimates to do the survey work. If we obtain a lower estimate, our total fee would be reduced accordingly. We bill monthly, and bills are due upon presentation and past due after 30 days. A 1.5 percent per month service charge and reasonable collection expenses, if any, are added to past due accounts. If billings become past due, we reserve the right to cease work and/or to withdraw reports until payment is received. Our work would be performed in accordance with generally accepted standards of engineering practice. We offer no other guarantees or warranties, either expressed or implied. We trust this provides the information you require at this time. If you have questions, or wish to discuss this further, please call. JCH:pbc/26/35 Yours very truly, DONALD HERZOG & ASSOCIATES, INC. John C. Hom, Project Manager Civil Engineer - 28877 DONALD H ERZC� & ASSMATES, INC. City of San Rafael San Rafael Open Space San Rafael, California Page 3 - July 24, 1984 Three copies submitted Attachment: Standard Schedule of Charges AUTHOMIZATITN A eas A, C, D and E E AUTHOR ZATION - 4reas B, F, and G U� AUTHORIZATION - Wi terization Plan f"'( % DATE DATE < < DATE * Price for the preparation of the Interim Winterization Plan to be $1,500 per John Hom (8/15/84). DONALD HERAC & ASSMATES, INC. \ \ 75 X` • G �y Kss ��__ , �.I �� J �.lO Yi \ Jsd \ \7JJ Z�/I�� J 1� �/ j c 11 ch, DONALD HERZ(G & ASSWIATES, INC. GEOTECHNICAL CONSULTANTS STANDARD SCHEDULE OF CHARGES No additional charges are made for vehicles, mileage, standard test equipment, or for laboratory equipment. Principal Engineer Senior Engineer or Geologist Project Engineer or Geologist Staff Engineer or Geologist Senior Field Engineer Field Engineer Lab Technician Drafting Technical Typing - Word Processing Miscellaneous Labor Portable Auger with Crew Seismic Refraction Timer Nuclear Density Test Outside Services Per Diem $108- per hour $ 70- 88 $ 60- 70 $ 48- 60 $ 60 $ 40- 52 $ 34 $ 34 $ 34 $ 26 $ 70 $ 10 $ 6 each Cost plus 20 percent Lodgings plus $25 per day Standard laboratory tests are charged for on a unit cost basis in accordance with the Laboratory Schedule of Charges. Travel time is charged at normal billing rates. The charge for appearance as an expert witness is 1.5 times the rate for engineering services. Half-day and full-day minimums apply. Billings are due upon presentation and past due after 30 days. A 1.5 percent per month service charge and reasonable collection expenses, if any, are applied to past due accounts. Our work is performed in accordance with generally accepted standards of engineering practice. We offer no other guarantees or warranties, either expressed or implied. These rates are in effect until July 1, 1985. Offices: ❑ 275 Miller Avenue, Mill Valley, California 94941 (415) 383-7740 ■ Soil Engineering, Engineering Geology ❑ 3060 Cleveland Avenue, Santa Rosa, California 95401 (707) 523-3880 and Laboratory Testing for Buildings, 13 2180 Jefferson Street, Suite 107, Napa, California 94558 (707) 224-5411 Dans, Landfills, Bridges and Roads