EXHIBIT "A"

Scope of Services

Long Term Settlement Cell Monitoring(220495-8-62-03)

A-1

Scope of Services Long Term Settlement Cell Monitoring

1.0 Purpose:

This scope of services describes and defines the consultant services to support the Department in

settlement cell monitoring, other related work for the construction project listed in the scope. In the

execution of its services, the Consultant will work principally with and coordinate its activities with the

project Construction Engineering & Inspection (CEI) Consultant and Department's District 3 Materials &

Research Office (DMRO).

2.0 Scope:

The Consultant shall be responsible for providing services as defined in this Scope of Services, the referenced Department manuals and procedures.

The projects for which the services are required is:

Financial Project IDs: 220495-8 Description: SR 369 (US 319) from SR 267 to Leon County Line County: Wakulla

In the execution of its services, the Consultant will work principally with and coordinate its activities with the Department's District Materials Office.

The Consultant shall provide administrative and technical support to assist the Department's District Materials Office in performing the work covered in the Scope during the duration of this contract.

3.0 Length of Service

The Consultant services for this Contract shall begin upon written notification to proceed by Department.

The Consultant Senior Project Engineer will track the execution of the Construction Contract such that the Consultant is given timely authorization to begin work. While no personnel shall be assigned until written notification by the Department has been issued, the Consultant shall be ready to assign personnel within two weeks of notification. For the duration of the project, the Consultant shall coordinate closely with the Department to minimize rescheduling of Consultant activities due to construction delays or changes in scheduling of Contractor activities.

A-2

The anticipated letting schedules and construction times for the project is tabulated below:

Construction Contract Estimate

Financial Project ID

Letting Date(Mo/Day/Yr)

NTP Date (Mo/Day/Yr)

Duration(Days)

220495-8 3/28/2018 6/11/2018 850

It is the intent of the Department for the contract length to extend beyond the end date of the construction contract. Total contract length will be sixty (60) months from the notice to proceed of this contract.

4.0 Consultant Responsibility:

The consultant will be responsive to the Department's request for services 24 hours a day, 7 days a week, and 365 days a year. It is the consultant's responsibility to pursue and obtain all information, reports and approvals necessary to perform services on this Contract.

The consultant will attend meetings as requested by the Department. Coordinate with the Department prior to attendance of meeting. Attendance at meetings not requested by the Department may not be reimbursed. When meetings are hosted by the Consultant, coordinate all activities with the stakeholders, and distribute the minutes to all participants and District Project Manager (DPM).

The consultant will provide expert witness services if requested by the Department.

In the event the consultant encounters actual or suspected environmental contamination while performing services on this Contract, immediately cease work and notify the Project Manager in writing.

Do not allow unqualified personnel or personnel with suspended qualifications perform or oversee services. Fees shall be reimbursed to the Department for any charges for services performed without appropriate qualifications and/ or accreditations.

Provide timely and accurate supporting documentation for the work to be invoiced including accurate and timely submittal of timesheets as directed by the Department. Minimize discrepancies between reported completed work and work quantities invoiced.

Any questions or concerns should be brought to the attention of the Project Manager.

For Non-compliance, Consultant may be required at no additional cost to the Department, to provide an Engineering Analysis Report prepared by an independent engineering firm approved by the DPM when services provided by the firm fails to meet the expectations of the contract.

A-3

5.0 Department Responsibility:

The Department will provide technical administration of the contract, review actual test methods and procedures, review test results and reports, review invoice submittals, and generally determine compliance with this contract.

6.0 General (Reference Documents):

The services provided by the Consultant in the office, field, and lab shall comply with the current edition -including updates- of all applicable Department Manuals and Guidelines as well as State and Federal regulations. This shall include but not be limited to the following:

• Florida Department of Transportation (FDOT) Standard Specification for Road and Bridge Construction as amended by contract documents

• FDOT Roadway Plans Preparation Manual • FDOT Design Standards • FDOT Structures Manual • FDOT Structure Design Office Standard Drawings • FDOT Materials Manual • FDOT Manual of Florida Sampling and Testing Methods • FDOT Construction Project Administration Manual (CPAM) • FDOT Construction Training and Qualification Manual (CTQM) • FDOT Soils and Foundation Handbook • Federal Highway Administration (FHWA) Checklist and Guidelines for Review of Geotechnical

Reports and Preliminary Plans and Specifications • American Association of State Highway and Transportation Officials (AASHTO) Test Methods • American Society for Testing and Materials (ASTM) Standards • Code of Federal Regulations (CFRs) • Safe Work Practices and Compliance Standards Handbook • Geotechnical Design / Plans Review Checklist • Occupational Safety and Health Administration (OSHA) 29 CFR 1910.1001 and 1926.58, 49 CFR 171

and 172

7.0 Terminology and Definitions:

CPM - Consultant Project Manager DPM – Department Project Manager DER - Department of Environmental Regulation (Federal & State) DGE – District Geotechnical Engineer DMRE - District Materials & Research Engineer DMRO - District Materials & Research Office DPSU - District Professional Services Unit EAR - Engineering Analysis Report FDOT - Florida Department of Transportation MM - FDOT Materials Manual SMO - State Materials Office

A-4

8.0 Communication and Reporting:

Maintain timely and effective communication. Report results electronically to the Department in the most efficient manner and as approved in advance by the Department.

Prepare analysis and recommendations in the format of final reports. Submit draft recommendations to the Department's Project Manager for review prior to preparing report. Report shall include all elements requested, as well as any additions, alterations and changes directed by the Department. Reports shall include pertinent documents to support recommendations.

The reports shall be signed and sealed by a Professional Engineer registered by the State of Florida. Acceptable formats and number of copies are specified in Department’s various policies and procedures.

Upon completion of a report, deliver to the Department all project files, sketches, work-sheets, plans, and other materials used or generated during the performance of services requested in this Scope in an organized manner.

Communicate assignment related issues during non-business hours directly with the Department’s representative overseeing consultant’s work.

9.0 Personnel:

Provide qualified technical and professional personnel to perform, to Department standards and procedures, the duties and responsibilities assigned under the terms of this agreement.

All consultant personnel/technicians must be approved in writing by the Department prior to performing services. All consultant personnel will be approved under one (1) labor classification per person. Exceptions may be allowed at the sole discretion of the Department. Personnel listed in the final negotiated Contract Audit Package are considered approved without any additional documentation. Obtain written approval for additional personnel prior to performing services. Approvals are valid for all work to be performed by authorized labor classification throughout the contract period.

All consultant personnel providing services on this Contract must perform to the satisfaction of the DPM. Personnel that do not perform services to the satisfaction of the DPM may be removed from the Contract.

9.1 Requirements for Select Geotechnical Personnel:

Professional Engineer in responsible charge must be licensed by the State of Florida and have a minimum of three years of experience supervising the collection and interpretation of geotechnical data.

10.0 Conflict of Interest:

A-5

It is the consultant's responsibility to prevent real or perceived Conflict-of-Interest in accordance with the Conflict of Interest for Department Contracts (Topic No. 375-030-006). Any concerns or appeals must be brought to the attention of the DPM for interpretation and response.

11.0 Ownership of Works and Inventions:

The Department shall have full ownership of any works of authorship, inventions, improvements, ideas, data, processes, computer software programs, and discoveries (hereafter called intellectual property) conceived, created, or furnished under this Agreement, with no rights of ownership in

Consultant or any sub-consultants/ subcontractors. Consultant and sub- consultants/subcontractors shall fully and promptly disclose to the Department all intellectual property conceived, created, or furnished under this Agreement. Consultant or sub-consultants/ subcontractor hereby assigns to the Department the sole and exclusive right, title, and interest in and to all intellectual property conceived, created, or furnished under this Agreement, without further consideration. This Agreement shall operate as an irrevocable assignment by Consultant and sub-consultants/subcontractors to the Department of the copyright in any intellectual property created, published, or furnished to the Department under this Agreement, including all rights thereunder in perpetuity. Consultant and sub-consultants/subcontractors shall not patent any intellectual property conceived, created, or furnished under this Agreement. Consultant and sub-consultants/ subcontractors agree to execute and deliver all necessary documents requested by the Department to affect the assignment of intellectual property to the Department or the registration or confirmation of the Department’s rights in or to intellectual property under the terms of this Agreement. Consultant agrees to include this provision in all its subcontracts under this Agreement.

12.0 Consultant Not Employee or Agent:

The Consultant and its employees, agents, representatives, or sub-consultants/ subcontractors are not employees of the Department and are not entitled to the benefits of State of Florida employees. Except to the extent expressly authorized herein, Consultant and its employees, agents, representatives, or sub-consultants/subcontractors are not agents of the Department or the State for any purpose or authority such as to bind or represent the interests thereof, and shall not represent that it is an agent or that it is acting on the behalf of the Department or the State. The Department shall not be bound by any unauthorized acts or conduct of Consultant.

13.0 Services:

Provide services that comply with all applicable documents referred to in the “General” paragraph of this document. The Department, at its option, may elect to expand, decrease, or delete the extent of each work element described in this scope of services, provided such action does not alter the intent of this agreement. The Department shall request Consultant services on an as-needed basis.

13.1 Settlement Cell System Monitoring:

A-6

Perform the following monitoring services as required by the District Geotechnical Engineer (DGE). These Services include but are not limited to those listed below.

1. Become familiar with the project plans and specifications, including design phase geotechnical reports, the geotechnical plan sheets showing reinforcement, surcharging, and instrumentation of the embankment, and geotechnical Technical Special Provisions (TSPs).

2. Become familiar with the requirements of the settlement cell system. 3. Assist the Engineer in evaluating the Contractor’s proposed system.

4. Attend construction pre-work meetings. 5. Assist in oversight of settlement cell system installation. 6. Collect and interpret data from the system per the settlement cell TSP. 7. Observe the condition of settlement cell cabinet and surficial equipment monthly and survey

the cabinet foundation quarterly, or as needed to verify the data collection. 8. Periodically observe the entire segment of roadway and surrounding areas, including sections

not instrumented, for indications of karst activity. Immediately notify the Engineer or the DGE of any settlements or other warning signs which may be indicative of impending collapse.

9. Provide accumulated data and a summary statement of the results to the Department monthly, unless instructed otherwise by the DGE.

10. Prepare annual reports, signed and sealed, which include the data collected from the settlement system, any observations made of the general roadway condition regarding karst activity, interpretation of the data, and any recommendations.

11. Make recommendations regarding remediation. 12. Oversee any remedial actions taken. 13. Provide routine maintenance to the settlement system, per the manufacturer’s

recommendations and the TSP, to ensure reliability of the data. Inform the Engineer and/or the DGE immediately of any indications that the system has been damaged or is not functioning properly. Assist as needed in repair of the system.

(Deliverables – Monthly submittal of accumulated data and summary statement of the results. Annual signed and sealed reports.)

14.0 Schedule:

The Consultant and the Department's Geotechnical Project Manager will negotiate/develop a mutually agreeable schedule of events and timetable for the work effort authorized under this agreement.

Consultant generated delays in the schedule will have a negative effect on both the interim and final FDOT evaluation. Notification will be sent to the Consultant's Principal-In-Charge when delays are encountered. Habitual delays in the schedule may result in the termination of the agreement.

15.0 Quality Assurance:

The Consultant shall submit with his technical proposal a Quality Assurance Plan. The Plan shall address the Consultant's procedures and methods to assure his organization is in compliance with the requirements of this contract. The Quality Assurance Plan should address the following areas:

A-7

15.1 Organization: A description of the Consultant's Quality Control organization and its relationship to the performance of the contract.

15.2 Quality Reviews and Records: Consultants Quality Assurance methods used to monitor and assure his organization’s compliance with contract requirements and records which will be maintained.

15.3 Control of Subcontractors and Vendors: Methods used by Consultant to control quality of work of his subcontractors and vendors

Page 1 of 5

TECHNICAL SPECIAL PROVISION

FOR

SETTLEMENT CELL

FINANCIAL PROJECT ID: 220495-8-52-01

The official record of this Technical Special Provision has been electronically signed and sealed using a Digital Signature as required by Rule 61G 15-23.004, F.A.C. Printed copies of this document are not considered signed and sealed and the signature must be verified on any electronic copies.

Professional Engineer: Matthew Landschoot, PE Date: November 19, 2017 Fla. License No.: 76183 Firm Name: Environmental & Geotechnical

Specialists, Inc. Firm Address: 104 North Magnolia Drive City, State, Zip Code: Tallahassee, FL 32301 Certificate of Authorization: 6222 Pages: 1 - 5

-44- FPID(S): 220495-8-52-01, ETC.

Page 2 of 5

SECTION T141

SETTLEMENT CELL

T141-1 Description The work specified in this Technical Special Provision consists of the installation, protection, and

maintenance of settlement cell systems in accordance with these specifications, the details shown on the Plans, and as directed in writing by the Engineer or his representative.

Settlement cells, as described in this Technical Special Provision, are settlement monitoring systems that will be used for long-term monitoring of vertical subsoil movements at specified depth(s) below existing grade. The settlement cell system shall be capable of measuring ground settlement up to 36 inches vertically (settlement or heave), relative to a stable datum, at the subsurface elevation(s) noted in the Plans.

Observations and direction for the settlement monitoring program will be made by the Engineer or his representative.

T141-2 Contractor Requirements The settlement cell system outlined in this Technical Special Provision shall be installed by one

qualified supplier meeting the approval of the Engineer or his representative. The on-site supervisor responsible for overseeing the system installation must have at least three years of verifiable experience with subsoil instrumentation. Documentation of prior experience and qualifications shall be provided to the Engineer for approval prior to installing the settlement cells.

A representative of the settlement cell manufacturer shall be on-site during installation of the first settlement cell to provide technical support, as needed.

T141-3 Work Schedule Include the work required in this Technical Special Provision in the Work Progress Schedule in

accordance with the Florida Department of Transportation (FDOT) Standard Specification 8-3.2.

T141-4 Quality Control Include the work under this Technical Special Provision in the Quality Control Plan in

accordance with FDOT Standard Specification 105.

T141-5 Materials T141-5.1 System Components: The settlement cell system shall consist of a subsurface pressure

transducer cell installed prior to placement of the fill at the locations and elevations shown in the Plans. The pressure cell shall be connected to a surface mounted fluid reservoir through the use of tubing and a surface mounted control panel through the use of signal cables. The surface control panel and reservoir shall be mounted at the location specified in the Plans. The relative elevation of the cell and fluid reservoir shall be determined and recorded by means of a data recorder mounted within the control panel.

T141-5.1.1 Pressure Cell: The pressure cells shall consist of a vented vibrating wire sensor with built-in thermistor or RTD. Sensor shall automatically compensate for changes in barometric pressure. The cells shall be manufactured of stainless steel and PVC with a range of 22 lb/in2, resolution of 0.025% of full scale, calibration accuracy of 0.1% full scale and a repeatability of 0.17 inches.

T141-5.1.2 Tubing and Signal Cable: Tubing and signal cable shall extend from the buried pressure cell to the control panel and reservoir at the surface. Lateral runs from the buried cell to the control panel of up to 1000 feet are possible; however, minimization of this distance is preferable. The tubing shall be 0.25 inches in diameter, filled with de-aired liquid, and protected with a polyethylene jacket. Shielded cable for the vented cell shall be four 22-gauge tinned-copper conductors with a 0.25 inch vent tube and polyurethane jacket.

-45- FPID(S): 220495-8-52-01, ETC.

Page 3 of 5

T141-5.1.3 Instrumented Fluid Reservoir: A constant level reservoir shall be utilized for long-term unattended monitoring. The constant level reservoir shall consist of a fluid reference tank, fluid supply tank, and an electric pump for automatic transfer of fluid from the supply tank to the reference tank. A direct current power source and electric pump shall be supplied to facilitate unattended automatic water transfer between the supply and reference tanks. The supply tank shall be instrumented with a vibrating wire transducer to facilitate remote monitoring of the fluid level. The reference tank shall be connected to a multi-port manifold with no less than eight quick-connect plugs for connection of the tubing from the settlement cell(s).

The reservoir should be inspected periodically and refilled with a 50/50 mix of deaired glycol and water. The period between inspections depends on the capacity of the reservoir, ambient temperature, and moisture. The reservoir should be protected from the direct heat of the sun in a permanent weatherproof and vandalism resistant cabinet.

T141-5.1.4 Data Logger and Readouts: The data logger utilized for monitoring the cells shall be capable of collecting automated and manual readings. The data logger shall have the capability to remotely collect data, store data and transmit raw data via telephonic, radio or cellular communications. The data logging system shall be comprised of all pertinent equipment to integrate multiple sites into a central location for data transmission. A minimum of 8-channels are required. Manual reading only (non-automated) data recorders may be acceptable if approved by the Engineer.

The data recorder shall have a range from 450 to 6000 Hz. Resolution shall be 0.01% of full scale. Accuracy shall be ±0.02% of Hz reading. Temperature measurements shall be between -20 and 120 °C with ±1°C accuracy. Displayed Units: Hz, Hz2, degrees C.

The data recorder shall be supplied with a direct current power source to facilitate automatic data collection.

T141-5.1.5 Equipment Cabinet: A weatherproof and vandalism resistant cabinet(s) shall be provided at locations noted in the Plans for long-term storage of the settlement monitoring data logger, readouts, constant level fluid reservoir, and other surficial equipment incidental to the monitoring system as outlined in this specification. The proposed cabinet shall be lockable and affixed to either an unyielding rigid concrete slab or embedded pole foundation. A detailed shop drawing of the proposed cabinet(s) along with a sketch of the proposed location of the fluid reservoir, data logger, and other surface equipment to be located within the finished cabinet shall be provided to the Engineer for review and approval.

T141-6 Construction Equipment All construction equipment to be used for installation of the settlement cell systems described

herein shall comply with the general requirements and equipment condition requirements outlined in FDOT Standard Specification 100.

T141-7 Construction Requirements T141-7.1 Pre-Construction Submittals: Upon approval of the Contractor’s qualifications,

submit the following information to the Engineer for review and written approval a minimum of 2 weeks prior to performing any work:

1. Project schedule outlining the proposed start date, settlement cell installationsequence, and the expected duration of critical tasks.

2. Detailed description of the type of proposed settlement cell system and datarecorders, as well as the contact information for the equipment manufacturer’srepresentative.

3. Supporting data sheets, equipment installation manuals, and operating manuals whichverify the proposed settlement cell system and recording equipment meets all therequirements of this Specification.

-46- FPID(S): 220495-8-52-01, ETC.

Page 4 of 5

4. A detailed summary of the proposed construction equipment and methods to be usedfor site preparation, installation procedures, and steps to be taken to test, initiate, andtroubleshoot the data recorders.

5. A Quality Control Plan, which outlines all equipment check procedures and servicethat will be implemented regularly during construction to ensure successful operationand accurate data collection.

T141-7.2 Trench Construction: After approval of the pre-construction submittals by the Engineer and prior to placement of any fill soils, the Contractor shall stake the locations of the settlement cells, the control panel, and the connecting trench as shown in the Plans. The trench shall be excavated to the depth and width specified in the Plans. The Contractor shall remove all sharp debris or rocks from the excavation, which could damage the tubing, cables, or cell(s), and smooth the trench bottom. If dewatering is necessary, the Contractor shall lower the groundwater to a depth of at least 1 foot below the bottom of the excavation. Prior to placing any tubing or cables in the trench, a 6 inch layer of moist “SELECT” fine sand (A-3) shall be placed in the trench and hand tamped to create a firm surface to place the tubing and cables on.

T141-7.3 Settlement Cell Installation: Prior to installation of the settlement cell, a 12 inch x 12 inch bearing plate shall be attached to the bottom of the cell, as shown in the Plans for stability. Place the cell in an upright (vertical) position at the location and elevation noted in the Plans. The cable and tubing from the reservoir shall be installed onto the cell at the time of placement. Note that non-vertical installation of the cell could cause an error in the data. Record the serial number of the cell on the installation records.

Photograph the cell in the installed position and record the serial number of the cell prior to covering the cell with fill. Cover the top of the cell with at least two 6 inch lifts of hand-tamped “SELECT” fine sand (A-3) soil to prevent movement of the cell during placement of the cables and tubing.

Route the tubing and cable along the trench. Loops in the cable and tubing where it exits the cell and at changes in direction or elevation shall be performed regularly to prevent excessive tensioning due to settlement of the cell. Place at least two 6 inch lifts of hand-tamped “SELECT” fine sand (A-3) soil over the tubing and cable.

Construct the equipment cabinet. The fluid reservoir, desiccant chamber, and support assembly for the data logger shall be mounted inside the equipment cabinet. Note the fluid reservoir shall be mounted such that the reservoir elevation can be moved upwards or downwards by 2 feet to facilitate system calibration tests. The cable and tubing shall be installed to the reservoir and charged with de-aired fluid in accordance with Manufacturer recommendations.

The system and data logger shall be tested by moving the fluid reservoir upwards and downwards 2 feet to verify the response of the cell to changes in elevation of the reservoir. Record the results of the system test and provide the results to the Engineer for review.

After the system tests have been conducted and the results have been reviewed by the Engineer, initiate the data logger to collect automated readings on a minimum reoccurring cycle of one settlement measurement per day, or as directed by the Engineer.

The equipment cabinet shall be flagged and protected from construction vehicles and equipment. If the tubing, control cables, cell or equipment cabinet is disturbed, it shall be replaced in kind, unless directed otherwise in writing by the Engineer or his representative.

All fill material in the immediate vicinity of the settlement cells shall be placed and compacted in accordance with the requirement of the FDOT Standard Specifications, or as directed by the Engineer or his representative. Embankment fill within 3 feet of the settlement cells shall be placed and compacted by hand with non-impact, light vibratory plate compactors.

Settlement cells and data recording equipment shall remain in place after construction and become the property of the Department.

-47- FPID(S): 220495-8-52-01, ETC.

Page 5 of 5

T141-8 Data Collection The readings collected by the automated data recorder will be reviewed by the Engineer

throughout construction. On weekly intervals during construction, the Engineer or his representative will download and review the settlement measurements collected by the data recorder.

The elevation of the equipment cabinet foundation shall be surveyed on a bi-weekly basis during construction to check for movement, unless otherwise directed by the Engineer.

Subsurface movements of greater than 12 inches over any 24-hour period may warrant temporary suspension of construction activities in the immediate vicinity of the respective settlement cell until subsurface stabilization can be performed. If the severe rapid settlement is observed in the vicinity of any settlement cell, construction activities in that area shall stop and the Engineer notified. Construction activities in that area shall not resume until approved in writing by the Engineer.

T141-9 Protection and Maintenance Precautions shall be taken to keep the settlement cell in a vertical position at all times during

installation and fill placement. The Contractor shall operate his equipment in a manner to ensure that settlement cells are not damaged or displaced laterally during construction. Each assembly shall be clearly marked and flagged as approved by the Engineer or his representative and protective barricades shall be erected when directed by the Engineer or his representative. Any system components becoming uncoupled or broken shall be repaired or replaced by the Contractor, as directed by the Engineer or his representative, at the Contractor’s expense.

The Contractor will not be held responsible for repair or replacement of any settlement cell which is made inoperable as a result of instability of the embankment caused by factors, which in the opinion of the Engineer or his representative, are beyond the control of the Contractor.

T141-9 Method of Measurement The quantity to be paid shall be the number of Settlement Monitoring Assemblies

and Settlement Monitoring Data Collection Hubs installed by the Contractor and accepted in writing by the Engineer. The Settlement Monitoring Assembly shall include the vibrating wire pressure transducer, hose, and wire necessary to connect to the instrumented fluid reservoir & data logger located in the Settlement Monitoring Data Collection Hub. The Settlement Monitoring Data Collection Hub shall include the vibrating wire transducer instrumented reservoir, fluid to fill hoses and reservoir, data logger, readout unit, wire to data logger & readout unit, weatherproof & vandalism resistant cabinet, etc.

T141-10 Basis of Payment Price and payment will be full compensation for all work, labor, materials, and equipment

required to install and maintain each settlement cell assembly in a satisfactory operating condition until Final Acceptance of the project. More specifically, price and payment includes furnishing all material, labor and equipment for proper installation and measurement of the settlement cells, for protecting the assembly, for repair and replacing damaged assemblies, settlement data acquisition during construction, and for all work and incidentals necessary to complete the work. Payment will be based on the unit price bid for each assembly.

Item No. 141-71 Settlement Monitoring Assembly – Fluid Based – EA Item No. 141-72 Settlement Monitoring Data Collection Hub – EA

-48- FPID(S): 220495-8-52-01, ETC.