HomeMy WebLinkAbout2008-232As
Board of County Commissioners
180127th Street
Vero Beach, Florida 32960
Telephone: (772) 567-8000 FAX: (772)-778-9391
Field and Laboratory Quality Control (QC)
for
Powerline Road Construction Materials Testing Services
IRC Project No. 0217
WORK ORDER NO. 5 (Engineering Division)
FOR
FOR PROFESSIONAL GEOTECHNICAL SERVICES AGREEMENT
FOR ANNUAL GEOTECHNICAL SERVICES CONTRACT NO. 0534
WITH
DUNKELBERGER ENGINEERING & TESTING, INC.
lc�s _ 3Z
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 unit price basis in accordance with the attached Scope of
Services dated September 11, 2007 and shall comply with Standards enumerated in the
RENEWAL OF THE ANNUAL GEOTECHNICAL SERVICES CONTRACT IRC PROJECT NO.
0534 WITH DUNKELBERGER EGINEERING & TESTING. INC. Effective Date: October 1,
2007,
Minimum Specification Requirements as follows:
Construction Materials Testing Services
The scope of work described in this proposal is based on our review of civil engineering
drawings prepared by Indian River County Department of Public Works, dated October 17,
2007, and our experience with similar projects.
Field Observations & Testing
• Earthwork observations by a senior technician during the de -mucking operation and the
proof -rolling of "strip grade" within the roadway alignment.
• In-place density testing during placement of the roadway fill. Density tests will be
performed at a frequency of one (1) test every 200 lineal feet of roadway, within the
proposed alignment, for each 1 -foot of backfill placed.
• In-place density testing during backfilling of two (2) culvert pipes. The density tests will
be performed at a frequency of one test location for each road crossing for each 1400t of
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backfill placed. Density testing of pipe backfill will extend from an elevation
corresponding to the invert of the pipe to the subgrade elevation.
• In-place density tests within the stabilized subgrade and base course layers at a frequency
of 1 test for each 200 lineal feet of roadway.
• Sampling, slump testing, molding, transporting, curing, and laboratory testing to
determine the compressive strength of concrete used for headwall construction.
Laboratory Testing
• Perform laboratory moisture -density relationship tests (AASHTO T480 and AASHTO
T-99), sieve analysis, organic content tests, and Atterberg limits determination on the
existing embankment soils and/or fill soils.
• Limerock Bearing Ratio (LBR) tests for stabilized subgrade and base course at a
frequency of 1 test for about each 1000 lineal feet of roadway.
Asphalt Paving& Testing
• Asphalt paving observations by a Level I Asphalt Technician. Technician will verify
thickness, temperature, and mix design tickets during asphalt placement.
• Coring of the asphalt at ten (10) locations (a frequency of one (1) core about every 250
lineal feet) for subsequent laboratory testing and to verify asphalt and base course
thicknesses.
• Laboratory testing of the asphalt cores to include determination of specific gravity
(density) for each core and extraction/gradation testing on select cores (5).
Engineering & Reporting
• Engineering oversight during the construction to coordinate the aforementioned test
program, make site visits, and attend progress meetings.
• Submittal of brief engineering reports documenting our findings and test results.
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 "Scope of Services" identified in the attached EXHIBIT "A"
Fee Schedule and Man Hours.
A Not -to -Exceed Amount of: $13,704 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 PROJECT NO. 0534 WITH
DUNKELBERGER EGINEERING & TESTING. INC. Effective Date: October 1, 2007.
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IN WITNESS HEREOF the parties hereto have executed these presents
This 15th day of July , 2008.
OWNER
BOARD OF COUNTY COMMONERS
INDIAN RIVER COUNTY. FLORIDA
Approved as to Form and
DUNKELBERGER ENGINEERING &
TESTING, INC.
(Printed name and title)
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