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HomeMy WebLinkAbout2008-406 Board of County Commissionersr , . ' ,� 180127th Street 4 Vero Beach, Florida 32960 Telephone : (772) 567-8000 FAX : (772)478-9391 Field and Laboratory Quality Control ( QC ) for CR-510 from 61st Drive to Shore Lane WORK ORDER NO . 4 ( Engineering Division ) FOR FOR PROFESSIONAL GEOTECHNICAL SERVICES AGREEMENT FOR ANNUAL GEOTECHNICAL SERVICES CONTRACT NO . 0534 WITH ARDAMAN & ASSOCIATES , INC . All services performed under this contract shall be supervised and certified by a licensed Professional Engineer ( PE ) registered with the State of Florida and staff employed directly with your firm . Scope of Services All work shall be performed on a not-to-exceed fee of $ 16 , 946 . 00 and shall comply with Standards enumerated in the RENEWAL OF THE ANNUAL GEOTECHNICAL SERVICES CONTRACT IRC RFQ NO . 2008071 WITH ARDAMAN & ASSOCIATES INC . Effective Date : November 18 , 2008 , APPROACH TO THE PROJECT The purpose of the scope of service presented herein is to provide additional subsurface data within the proposed roadway improvement areas . Specifically, the additional explorations proposed herein will be performed relative to : 1 . The delineation of the extent of organic (A-8 ) soils encountered during our previous exploration . 2 . The roadside canals to be reclaimed (or filled ) between approximate Station No ' s . 281 +00 to 295+ 00 and between approximate Station Nos . 322 +00 to 330+00 . 3 . The slope stability analysis of the proposed slope cut located adjacent to the Red Stick property, between approximate Station No 's . 306 + 00 to 320+ 00 . 4 . To further evaluate our normal seasonal high groundwater table estimate between approximate Station No 's . 281 + 50 to 310+00 , between approximate Station No 's . 319+00 to 362 + 00 and between approximate Station No 's . 750 + 00 to 771 +50 . FAPublic Works\Capital Projects\CR 510\CR 510 & US- 1 _IRC-0514\Ardaman & Associates\CR-510 WO#4 Ardaman 11 -20-08.doc WO# 4 CR-510 From 61 st Drive to Shore Lane This proposal presents our approach to the project and includes an estimate of field exploration and laboratory testing quantities as well as engineering resources needed for the evaluation of the data obtained and preparation of a report. _PROPOSED M n SERVICES Ardaman & Associates , Inc. will provide geotechnical engineering services for this phase of the Project including a review of existing information , field reconnaissance , Standard Penetration Test( SPT) borings , auger borings and manual muck probes . The scope of service for this phase of the proposed roadway improvements will include the following : 1 . Perform up to 45 auger borings to an approximate depth of 6 feet within the two areas alon the roadway where organic (A-8) soils were encountered during our previous exploration . g 2 . Perform manual muck probes within the roadside canals to be reclaimed (or filled )between approximate Station No 's . 281 +00 to 295 + 00 and between approximate Station No 's . 322 + 00 to 330 +00 . The purpose of the muck probes is to preliminarily measure the depth of soft organic soils and/or sediment , if present within the existing canals . These probes are performed by hand -pushing 1 -inch diameter steel rod into the ground until penetration is refused . Generally, the probes can be pushed through very soft organic and/or clayey soils , and terminate upon encountering sandy soils or relatively stiff clays . Probes can also be terminated on obstructions such as roots or buried debris . It is possible that probes could terminate under one of the above scenarios , while muck could still exist below the probed depth . 3 . Perform up to 20 auger borings to an approximate depth of 6 feet between approximate Station No 's . 281 +50 to 310+00 , between approximate Station No 's . 319 + 00 to 362+ 00 and between approximate Station No 's . 750+00 to 771 + 50 to further evaluate our normal seasonal high groundwater table estimate . 4 . Perform up to two Standard Penetration Test (SPT) borings to an approximate depth of 35 feet in close proximity to the proposed slope cut located adjacent to the Red Stick property. We note that the existing slope to be analyzed was observed to be densely wooded and inaccessible to our truck-mounted drilling equipment. Therefore , this proposal includes an estimated cost for limited land clearing . The clearing is intended to be limited in scope , and will be performed to provide access to proposed drilling locations within the slope . We note that Ardaman & Associates , Inc . cannot be held responsible for potential damage to wetland and/or upland ( protected ) vegetation , or endangered and/or threatened species of animals . If such concerns exist on the site , we recommend an experienced environmental specialist be present during clearing activities . The client is responsible for coordinating permission to access the site with the current property owner. 5 . Obtain soil samples from the SPT and auger borings for laboratory testing . This includes etc . routine classification tests including standard sieve analysis , Atterberg Limits , organic contents , 6 . Prepare a report including all data developed during the laboratory and field programs , and our recommendations relative to soil and groundwater parameters to be used in the design . In addition , we will analyze the global stability of the proposed slope cut (for its proposed geometry and encountered soil conditions ) against failure by circular are , infinite slope or sliding block type failure . We understand that for this purpose , slope cross sections F : Tublic Works\Capital Projects\CR 510\CR 510 & US- 1 _IRC-0514\Ardaman & Associates\CR-510 WO#4 Ardaman 11 -20-08 .doc WO# 4 M510 From 61St Drive to Shore Lane will be provided by the client or their design consultant . Geometry will need to extend a minimum of 40 feet out from the existing toe of slope . We note that for the seepage portion of the stability analyses , relative permeability will be assigned to each of the encountered soil strata . This assumes that the actual quantity of seepage through the slope is not required for the project . If estimates of seepage quantity are required , this proposal will need to be revised to incorporate field and/or laboratory permeability testing All work shall also comply with the current Florida Minimum Technical Standards . COMPENSATION . The COUNTY agrees to pay, and the Geotechnical Professional agrees to accept , a fee for services rendered according to the above " Scope of Services " and identified in the attached EXHIBIT "A" Fee Schedule . A Not-to- Exceed Amount of: $ 16 , 946 . 00 to be paid on a unit price basis for actual work performed in accordance with the schedule of services and fees set forth in Exhibit A of RENEWAL OF THE ANNUAL GEOTECHNICAL SERVICES CONTRACT IRC RFQ NO . 2008071 WITH ARDAMAN & ASSOCIATES INC . Effective Date : November 18 , 2008 . TIME FOR COMPLETION Following receipt of the written authorization to proceed , the estimated schedule for the geotechnical work will be as follows : • Project start- up , boring layout and utility clearance and Field Exploration — 2 to 3 Weeks • Laboratory testing — 2 weeks • Engineering analysis , preparation and submittal of draft report — 1 to 2 weeks • Finalize report - 1 week SCHEDULE TOTAL : 6 to 8 weeks I )( k LlnlentS and Settings dan . nallack ' I oca1 Set tings ' " IemporaI % Internet I iIcs'�0I _ KA ' C' R - > 10 \\ 0-14 At (I I I -? U -OR -doe WO# 4 CR-510 From 61St Drive to Shore Lane IN WITNESS WHEREOF the parties hereto have executed these presents this 9th day of December , 2008 . ARDAMAN & ASSOCIATES , INC . INDIAN RIVER COUNTY , FLORIDA BOARD OF COUNTY COMMISSIONERS BY WESLEY S . DAVIS , CHAIRMAN Title -- ** Board of County Commissioners- Approved by the BCC : December 99 WITNESS : ATTEST : aSCuaU Mary Louise Sc eidt, Clerk, Ad Interim BY : NAME : ryIVA BY : - � zs"�P DEPUTY CLERK OF COURT r J EPH BAIRD 7NTYO . ADMINISTRATO . t � WILLIAM G . COLLINS , II COUNTY ATTORNEY I )oCn I11Cn is 8nd Set ti n p( k) [I . zral l ack I ocaI Sent n Los 'fem poi a i Internet Files` ( ) I_ KA 10 W0 ,44 Andaman I 1 - 20 -08 . (1ot CR-510 from 61 ' Drive to Shore Lane Work Order No. 4 ( Engineering Division ) Exhibit A COST ESTIMATE Based on our knowledge of the project to-date , the costs associated with the aforementioned tasks are presented below . Unit rates for personnel and field explorations are in accordance with those set in the continuing service agreement between Ardaman & Associates , Inc . and Indian River County . The actual cost of our services will be a function of the quantities of work performed in accordance with the cost estimate presented below. This cost is based on the assumption that maintenance of traffic ( M . O . T . ) will not be needed for the performance of the SPT and/or auger borings . If it is determined that M . O .T . will be needed for some of the boring locations , we can coordinate the necessary services at an additional charge for the time and materials necessary . 1 . Initial Site Visit , Layout of Boring Locations , and Coordination of Field Work: Project Engineer - 8 hours @ $85 . 00/hour . . . . . . . . . . . . I . . . . . . . . . I . . . . . . . . . . . . . $ 680 . 00 Senior Field Technician - 10 hours @ $48 . 00/hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 480 . 00 2 . Limited Land Clearing ; lump sum estimate : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 19500 . 00 3 . Mobilization/Demobilization of Drilling Equipment 1 Mobilization at $ 175 . 00/Mob . . . . . . . . . . . . . . . . . . . . . . . I . . . . . . . . . I . . . . . . . . . . . $ 175 . 00 4 . Standard Penetration Test Borings : 50 feet of borehole of depths less than 25 feet @ $ 12 . 00/foot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 600 . 00 20 feet of borehole of depths from 25 to 50 feet @ $ 13 . 00/foot . . . . . . . . . . . . . . . . . . . . . . I . . . . . . . . . . . . . . . . . . . . . $ 260 . 00 5 . Hand Auger Borings : Up to 65 borings to 6 feet 390 feet @ $9 . 00/foot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I . . . . . . . . . . . . . $ 3 , 510 . 00 6 . Manual Muck Probes : Project Engineer - 10 hours @ $85 . 00/hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 850 . 00 Senior Field Technician - 40 hours @ $48 . 00/hour . . . . . . . . . . . . . . . . . . . . . . . . I . , . . $ 19920 . 00 Small boat/canoe rental ; lump sum estimate : . . . . . . . . . . . . . . . . . . I . . . . . . I . . . . . . . . $ 100 . 00 7 . Laboratory Testing Program : Visual Classification and Laboratory Test for Classification (These May Include Natural Moisture Content, Organic Content, Grain-Size Analysis , Etc. ) Estimate : . . $ 12750 . 00 8 . Engineering Services : Senior Project Engineer - 12 hours @ $98 . 00/hour . . . . . . . . . . . . . . I . . . . . . I . . . . . . $ 1 , 176 . 00 Project Engineer - 33 hours @ $85 . 00/hour . . . . . . . . . . . . . . . . . . . . . . . I . . . . . . I . . . $ 2 ,805 . 00 CAD/Draftsman Services -20 hours @ $45 . 00/hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 900 . 00 Technical Secretary 6 hours @ $40 . 00/hour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 240 . 00 Total . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 16, 946. 00