PN: PD 17-18.070

TECHNICAL SPECIAL PROVISION

FOR

CATHODIC PROTECTION SYSTEM

PROJECT NUMBER: PD 17-18.070

This item has been digitally signed and sealed by Marco A. Lara, PE on the date adjacent to the seal. Printed copies of this document are not considered signed and sealed and the signature must be verified on any electronic copies.

Engineer of Record: Marco A. Lara, PE Date: 06/03/2019 Florida License No.: 78414 Firm Name: Hardesty & Hanover, LLC Firm Address: 5110 Eisenhower Blvd., Suite 310 City, State, Zip Code: Tampa, FL 33634 Certificate of Authorization: 29741 Pages: 1 through 30

TABLE OF CONTENTS

TABLE OF CONTENTS SECTION TITLE 01039 COORDINATION AND MEETINGS 01100 SUMMARY OF WORK 01300 SUBMITTALS 01400 QUALITY CONTROL 01740 WARRANTIES 05530 UNDERWATER WELDING 13110 CATHODIC PROTECTION

01039-1

SECTION 01039 – COORDINATION AND MEETINGS PART 1 - GENERAL 1.01 SECTION INCLUDES

A. Coordination and project conditions. B. Field engineering. C. Preconstruction meeting. D. Progress meetings. E. Measurement and Payment

1.02 RELATED SECTIONS

A. Section 01300 - Submittals.

1.03 COORDINATION AND PROJECT CONDITIONS

A. Coordinate scheduling, submittals, and work of the various sections of the Project Manual to ensure efficient and orderly sequence of installation of interdependent construction elements with provisions for accommodating items installed later.

B. Verify utility requirements and characteristics of operating equipment are compatible with

facility utilities. Coordinate work of various sections having interdependent responsibilities for installing, connecting to, and placing in service, such equipment.

C. Coordinate space requirements, obstructions and construction schedules to most efficiently

accomplish installation within time allotted.

D. Coordinate completion and clean-up of work of separate sections in preparation for Substantial Completion.

E. After COUNTY acceptance of substantial completion, coordinate access to site for

correction of defective work and work not in accordance with Contract Documents, to minimize disruption of COUNTY's activities.

1.04 FIELD ENGINEERING

A. CONTRACTOR shall locate and protect survey control and reference points.

B. Control datum for survey shall be coordinated with Project Engineer and CONTRACTOR’s

Surveyor.

C. Verify set-backs, easements and right-of-ways; confirm drawing dimensions and elevations.

D. Provide field engineering services. Establish elevations, lines, and levels, utilizing recognized engineering survey practices.

E. Submit four copies of Record Drawings and/or progress surveys, signed by the Land

Surveyor, certifying that the elevations and locations of the work are in conformance with the Contract Documents. CONTRACTOR shall also provide one AutoCAD Drawing file of

01039-2

the Record Drawings to the PROJECT ENGINEER. 1.05 PRECONSTRUCTION MEETING

A. PROJECT ENGINEER will schedule a preconstruction meeting after Notice of Award.

B. Attendance Required: COUNTY and CONTRACTOR.

C. Agenda: 1. Distribution of Contract Documents.

2. Submission of list of Subcontractors, list of Products, schedule of values, and progress schedule.

3. Designation of personnel representing the parties in Contract and the COUNTY ENGINEER.

4. Procedures and processing of field decisions, submittals, substitutions, applications for payments, proposal request, Change Orders, and Contract closeout procedures.

5. Scheduling.

6. Use of premises by COUNTY and CONTRACTOR.

7. COUNTY's requirements and substantial completion.

8. Survey layout.

9. Security and housekeeping procedures.

10. Procedures for testing.

11. Procedures for maintaining record documents.

12. Requirements for start-up of equipment.

13. Inspection and acceptance of equipment put into service during construction period.

D. The CONTRACTOR is to record minutes and distribute copies within two days after meeting to participants, with two copies to PROJECT ENGINEER, COUNTY, participants and those affected by decisions made.

1.06 PROGRESS MEETINGS

A. CONTRACTOR shall schedule and administer progress meetings throughout progress of the work at maximum intervals of two weeks.

B. The CONTRACTOR shall prepare agenda with copies for participants, and shall preside at

meetings.

C. Attendance Required: Job superintendent, major subcontractors and suppliers, PROJECT ENGINEER and CONSULTANT, as appropriate to agenda topics for each meeting.

D. Agenda:

1. Review minutes of previous meetings.

2. Review of work progress. 3. Field observations, problems, and decisions. 4. Identification of problems which impede planned progress. 5. Review of submittals schedule and status of submittals.

01039-3

6. Review of off-site fabrication and delivery schedules. 7. Maintenance of progress schedule. 8. Corrective measures to regain projected schedules. 9. Planned progress during succeeding work period. 10. Coordination of projected progress. 11. Maintenance of quality and work standards. 12. Effect of proposed changes on progress schedule and coordination. 13. Other business relating to work.

E. Record minutes and distribute copies within two days after meeting to participants, with two copies to PROJECT ENGINEER, participants and those affected by decisions made.

PART 2 - PRODUCTS Not Used. PART 3 - EXECUTION Not Used. PART 4 – MEASUREMENT AND PAYMENT

A. All costs associated with Coordination and Meetings are incidental, resulting in no separate payment for items described in this Section.

END OF SECTION

01100-1

SECTION 01100 - SUMMARY OF WORK PART 1 - GENERAL 1.01 SECTION INCLUDES A. Contract Description.

B. Work Responsibilities. C. COUNTY Supplied Products. D. CONTRACTOR Use of Site. E. Work Sequence. F. COUNTY Occupancy. G. Construction Coordination Schedule Sequencing. H. Measurement and Payment.

1.02 CONTRACT DESCRIPTION

A. Description: The cathodic protection contractor shall provide all services, materials, equipment, labor and supervision to furnish a sacrificial anode system for the fender system.

1.03 WORK RESPONSIBILITIES

A. Work under this contract will include:

1. Furnish and install sacrificial anodes that meet the performance specifications. 2. Furnish and install new anodes along fender system. 3. Furnish and install new anodes along dolphins. 4. Furnish and install test stations at locations determined by the Corrosion Engineer. 5. Remove marine growth from anode mounting area. 6. Provide continuity welds as needed.

1.04 COUNTY SUPPLIED PRODUCTS A. COUNTY's Responsibilities: 1. Arrange for and deliver COUNTY reviewed Shop Drawings, Product Data, and Samples, to

CONTRACTOR. 2. Provide adequate staging and material storage area. B. CONTRACTOR's Responsibilities: 1. Supply Shop Drawings, Product Data, and Samples. 2. Handle, store, secure and install finish Products. 3. Repair or replace items damaged after receipt. 4. Arrange for manufacturers' warranties, inspections, and service. 5. Comply with all permit conditions.

01100-2

6. Furnish and install aluminum sacrificial anodes on the steel H-piles and dolphins of fender system at the Bob Sikes bridge that meet or exceed the performance specifications.

7. Submit Final Report. 1.05 CONTRACTOR USE OF SITE

A. Limit use of site to allow: 1. Work by others and work by COUNTY.

B. Construction Operations – Bob Sikes Bridge: Limited to as described in the Contract Drawings.

1.06 WORK SEQUENCE A. During the construction period, CONTRACTOR shall coordinate construction schedule and

operations with the COUNTY. 1.07 COUNTY OCCUPANCY A. CONTRACTOR shall cooperate with COUNTY to minimize conflict, and to facilitate COUNTY's

operations. B. Work shall be scheduled to accommodate COUNTY operations and safety procedures. PART 2 - PRODUCTS Not Applicable. PART 3 - EXECUTION 3.01 CONSTRUCTION COORDINATION SCHEDULE SEQUENCING A. The CONTRACTOR shall coordinate his work to maintain an open and accessible channel to

marine traffic. PART 4 - MEASUREMENT AND PAYMENT Not Used

END OF SECTION

01300-1

SECTION 01300 – SUBMITTALS PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Submittal Procedures B. Construction Progress Schedules C. Proposed Products List D. Shop Drawings E. Product Data F. Samples G. Manufacturer’s Installation Instructions. H. Manufacturer’s Certificates. I. As-Builts (Record Drawings) J. Dive Safety Plan K. Work Plan L. Welding Submittals M. Measurement and Payment

1.02 RELATED SECTIONS

A. Section 01400 – Quality Control.

B. Section 01740 - Warranties. 1.03 SUBMITTAL PROCEDURES

A. Transmit each submittal with written transmittal form.

B. Sequentially number the transmittal form. Revise submittals with original number and a sequential alphabetic suffix.

C. Identify Project, CONTRACTOR, Subcontractor or supplier; pertinent drawing and detail number,

and specification section number, as appropriate.

D. Apply CONTRACTOR’s stamp, signed or initialed certifying that review, approval, verification of Products required, field dimensions, adjacent construction work, and coordination of information is in accordance with the requirements of the work and Contract Documents. As required by the Contract Documents, the CONTRACTOR is to provide Shop Drawings and calculation sheets signed and sealed by a Registered Engineer within the State of Florida.

E. Schedule submittals to expedite the Project, and deliver to COUNTY. Coordinate submission of

related items.

F. For each submittal, allow 15 days for review excluding delivery time to and from the CONTRACTOR. G. Identify variations from Contract Documents and Product or system limitations which may be

detrimental to successful performance of the completed work. H. Provide space for CONSULTANT and COUNTY review stamps.

I. When revised for resubmission, identify all changes made since previous submission.

J. Distribute copies of reviewed submittals as appropriate. Instruct parties to promptly report any

inability to comply with requirements.

01300-2

K. Submittals not requested will not be recognized or processed.

1.04 CONSTRUCTION PROGRESS SCHEDULES

A. Submit initial schedule in duplicate within 15 days after date established in Notice to Proceed. In addition, submit the logic diagram established for Producing Schedule.

B. Revise and resubmit as required.

C. Submit revised schedules with each monthly Application for Payment, identifying changes since

previous version. D. Submit a computer generated chart with separate line for each major portion of work or operation

identifying first work day of each week. E. Indicate estimated percentage of completion for each item of work at each submission.

F. Indicate submittal dates required for shop drawings, product data, samples, and product delivery

dates, including those furnished by COUNTY and required by Allowances.

1.05 PROPOSED PRODUCTS LIST

A. Within 15 days after date of Notice to Proceed, submit list of major products proposed for use, with name of manufacturer, trade name, and model number of each product.

B. For products specified only by reference standards, give manufacturer, trade name, model or catalog

designation, and reference standards. 1.06 SHOP DRAWINGS

A. Submit six copies.

B. Submit shop drawings for review. After review, produce copies and distribute in accordance with the Submittal Procedures articles above.

1.07 PRODUCT DATA

A. Submit six copies.

B. Mark each copy to identify applicable products, models, options, and other data. Supplement manufacturers’ standard data to provide information unique to this Project.

C. After review, distribute in accordance with the Submittal Procedures articles above.

1.08 SAMPLES

A. Submit samples to illustrate functional and aesthetic characteristics of the Product, with integral parts and attachment devices. Coordinate sample submittals for interfacing work.

B. Include identification on each sample, with full Project information. C. Submit the number of samples specified in individual specification sections; one of which will be

retained by COUNTY. D. Reviewed samples which may be used in the work are indicated in individual specification sections.

01300-3

1.09 MANUFACTURER’S INSTALLATION INSTRUCTIONS

A. When specified in individual specification sections, submit printed instructions for delivery, storage,

assembly, installation, start-up, adjusting, and finishing, to COUNTY in quantities specified for Product Data.

B. Indicate special procedures, perimeter conditions requiring special attention, and special

environmental criteria required for application or installation.

1.10 MANUFACTURER’S CERTIFICATES

A. When specified in individual specification sections, submit certification by manufacturer to COUNTY, in quantities specified for Product Data.

B. Indicate material or Product conforms to or exceeds specified requirements. Submit supporting

reference data, affidavits, and certifications as appropriate. C. Certificates may be recent or previous test results on material or Product, but must be acceptable to

the COUNTY. 1.11 AS-BUILTS (RECORD DRAWINGS)

A. During the entire construction operation, the CONTRACTOR shall maintain records of all deviations from the drawings and specifications and shall prepare from them “Record” Drawings showing correctly and accurately all changes and deviations from the work made during construction to reflect the work as it was actually constructed. These Drawings shall conform to recognized standards of drafting, and shall be neat and legible. The elevations and horizontal measurements shall be documented on the Record Drawings. The cost associated with preparing the Record Drawings shall be included in the various lump sum or unit price Contract Items and no separate payment shall be made. The Record Drawings shall be submitted by the CONTRACTOR and approved by the COUNTY prior to approval of the final payment request.

B. When specified, submit four copies of Record Drawings and/or progress surveys, signed by a

registered Land Surveyor, certifying that the elevations and locations of the work are in conformance with the Contract Documents. CONTRACTOR shall also provide one AutoCAD Drawing file of each set of Record Drawings to the COUNTY.

1.12 DIVE SAFETY PLAN

A. Dive Contractor must prepare and submit a “Dive Safety Plan” which outlines procedures the company will adhere to on this project to insure the safety of the divers and dive tenders. The Plan shall include as a minimum sections on “Required Notices”, dive tender to diver ratio, dive logging, entry and exit from water procedure, required equipment and working around other vessels.

1.13 WORK PLAN

A. Within 15 days after Notice to Proceed is given, a Work Plan must be submitted. The plan must include:

1 List of personnel, including job title and planned duties. 2. Order of installation of assemblies. 3. How anodes will be accurately placed according to plans. 4. Numbering system to be used to keep track of work accomplished. 5. Sample of record keeping system for anode inspection logs. 6. List of equipment to be used for installation, including how anodes will be suspended into place

prior to welding. 7. List of equipment to be used in field test as required in Section 13110.

01300-4

1.14 WELDING SUBMITTALS

A. Reference Section 05530, “Underwater Welding”

PART 2 - PRODUCTS Not Used.

PART 3 - EXECUTION Not Used. PART 4 – MEASUREMENT AND PAYMENT 4.01 COST

A. All costs associated with Submittals are incidental, resulting in no separate payment for items described in this Section.

END OF SECTION

01400-1

SECTION 01400 – QUALITY CONTROL

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Quality Assurance - Control of Installation. B. Tolerances. C. References. D. Mockup. E. Inspecting and Testing Laboratory Services. F. Manufacturers' Field Services and Reports. G. Examination. H. Preparation. I. Correction of Defects. J. Measurement and Payment.

1.02 RELATED SECTIONS

A. Section 01300 - Submittals: Submission of Manufacturers' Instructions and Certificates.

B. Section 13110- Cathodic Protection: Manufacturers Testing and Labeling of Anodes.

1.03 QUALITY ASSURANCE - CONTROL OF INSTALLATION

A. Monitor quality control over suppliers, manufacturers, Products, services, site conditions, and workmanship, to produce work of specified quality.

B. Comply with manufacturers' instructions, including each step in sequence.

C. Should manufacturers' instructions conflict with Contract Documents, request clarification from

COUNTY before proceeding

D. Comply with specified standards as minimum quality for the work except where more stringent tolerances, codes, or specified requirements indicate higher standards or more precise workmanship.

E. Perform work by persons qualified to produce workmanship of specified quality.

F. Secure products in place with positive anchorage devices designed and sized to withstand stresses,

vibration, physical distortion, or disfigurement. 1.04 TOLERANCES

A. Monitor tolerance control of installed products to produce acceptable work. Do not permit tolerances to accumulate.

B. Comply with manufacturers' tolerances. Should manufacturers' tolerances conflict with Contract

Documents, request clarification from COUNTY before proceeding.

C. Adjust products to appropriate dimensions; position before securing products in place.

01400-2

1.05 REFERENCES

A. For products or workmanship specified by association, trade, or other consensus standards, comply with requirements of the standard, except when more rigid requirements are specified or are required by applicable codes.

B. Conform to reference standard by date of issue current on date specified in the individual

specification sections, except where a specific date is established by code.

C. Obtain copies of standards where required by product specification sections.

D. The contractual relationship, duties, and responsibilities of the parties in Contract including those of the COUNTY shall not be altered from the Contract Documents by mention or inference otherwise in any reference document.

1.06 MOCK-UP

A. Tests will be performed under provisions identified in this section and identified in the respective product specification sections.

B. Assemble and erect specified items with specified attachment and anchorage devices, flashings,

seals, and finishes.

C. Accepted mock-ups are representative of the quality required for the work.

D. Where mock-up has been accepted by COUNTY and is specified in product specification sections to be removed; remove mock-up and clear area when directed to do so.

1.07 INSPECTING AND TESTING LABORATORY SERVICES

A. CONSULTANT may be engaged to perform quality control inspections for this project. Where specified, CONTRACTOR shall hire, and pay for specified services of an independent firm to perform inspecting and testing of anode in accordance with Section 13110.

B. The anode manufacturer will perform inspections, tests, and other services specified in individual

specification sections and as required by the authority having jurisdiction.

C. Inspecting, testing, and source quality control may occur on or off the project site. Perform off-site inspecting or testing as required by the COUNTY.

D. Reports will be submitted by the independent firm to the COUNTY, CONSULTANT and

CONTRACTOR, in duplicate, indicating observations and results of tests and indicating compliance or non-compliance with Contract Documents.

E. Cooperate with CONSULTANT and testing personnel; furnish samples of materials, design mix,

equipment, tools, storage, safe access, and assistance by incidental labor as requested.

1. Notify COUNTY and Consultant 24 hours prior to expected time for operations requiring County services and/or attendance at inspections.

2. Make arrangements with Consultant and pay for additional samples and tests required for

Contractor's use.

F. Testing or inspecting does not relieve Contractor of performing work to contract requirements.

01400-3

G. Retesting required because of non-conformance to specified requirements shall be performed by Consultant and/or the same independent firm on instructions by the COUNTY. Payment for retesting will be charged to the Contractor by deducting inspecting or testing charges from the Contract Sum/Price.

1.08 MANUFACTURERS' FIELD SERVICES AND REPORTS

A. Where individual specification sections require material or Product suppliers or manufacturers to provide qualified staff personnel to observe site conditions, conditions of surfaces and installation, quality of workmanship, start-up of equipment, test, adjust and balance of equipment as applicable, and to initiate instructions when necessary, this shall be done at no additional cost to the COUNTY.

B. Submit qualifications of observer to COUNTY 30 days in advance of required observations.

Observer is subject to approval by the COUNTY.

C. Report observations and site decisions or instructions given to applicators or installers that are supplemental or contrary to manufacturers' written instructions.

D. Refer to Section 01300 - Submittals, Manufacturers' Field Reports article.

PART 2 - PRODUCTS Not Used.

PART 3 - EXECUTION 3.01 EXAMINATION

A. Verify that existing site conditions and substrate surfaces are acceptable for subsequent work. Beginning new work means acceptance of existing conditions.

B. Verify that existing substrate is capable of structural support or attachment of new work being applied

or attached.

C. Examine and verify specific conditions described in individual specification sections.

D. Verify that utility services are available, of the correct characteristics, and in the correct locations. 3.02 PREPARATION

A. Clean substrate surfaces prior to applying next material or substance.

B. Apply manufacturer required or recommended substrate primer, sealer, or conditioner prior to applying any new material or substance in contact or bond.

3.03 CORRECTION OF DEFECTS

A. If during quality control activities, it is determined that a test failure or defect exists and that the product does not meet requirements in accordance with the plans and specifications, the CONTRACTOR shall replace such item at no additional cost to the County.

PART 4 – MEASUREMENT AND PAYMENT 4.01 COST

01400-4

A. All costs associated with Quality Control are incidental, resulting in no separate payment for items described in this Section.

END OF SECTION

01740-1

SECTION 01740 WARRANTIES PART 1 - GENERAL 1.01 SECTION INCLUDES

A. Preparation and submittal of warranties. B. Time and schedule of submittals. C. Measurement and Payment.

1.02 RELATED SECTIONS

A. Document Escambia County Contract: Warranties and correction of work.

B. Individual Specifications Sections: Warranties required for specific Products or work. 1.03 FORM OF SUBMITTALS

A. Bind in commercial quality 8-1/2” x 11”, three D side ring binders with durable plastic covers.

B. Cover: Identify each binder with typed or printed title WARRANTIES with title of Project; name, address and telephone number of Contractor and equipment supplier; and name of responsible company principal.

C. Table of Contents: Neatly typed, in the sequence of the Table of Contents of the Project Manual,

with each item identified with the number and title of the specification section in which specified, and the name of Product or work item.

D. Separate each warranty with index tab sheets keyed to the Table of Contents listing. Provide full

information, using separate typed sheets as necessary. List Subcontractor, supplier, and manufacturer, with name, address, and telephone number of responsible principal.

1.04 PREPARATION OF SUBMITTALS

A. Obtain warranties executed in duplicate by responsible Subcontractors, suppliers, and manufacturers, within 10 days after completion of the applicable item of work. Except for items put into use with COUNTY's permission, leave date of beginning of time of warranty until the Date of Substantial completion is determined.

B. Verify that documents are in proper form, contain full information, and are notarized.

C. Co-execute submittals when required.

D. Retain warranties until time specified for submittal.

1.05 TIME OF SUBMITTALS

A. For equipment or component parts of equipment put into service during construction with COUNTY's permission, submit documents within 10 days after acceptance.

B. Make other submittals within 10 days after Date of Substantial Completion, prior to final Application

for Payment.

C. For items of Work for which acceptance is delayed beyond Date of Substantial Completion, submit within 10 days after acceptance, listing the date of acceptance as the beginning of the warranty period.

01740-2

PART 2 - PRODUCTS Not Used. PART 3 - EXECUTION Not Used. PART 4 - MEASUREMENT AND PAYMENT 4.01 COST

A. All costs associated with Warranties are incidental, resulting in no separate payment for items described in this Section.

END OF SECTION

05530-1

SECTION 05530 - UNDERWATER WELDING

PART 1 – GENERAL 1.01 SUMMARY

A. This section specifies the requirements for underwater welding of non-structural steel elements. 1.02 REFERENCES

A. The latest editions of the publications listed below form a part of this specification to the extent

referenced. The publications are referred to in the text by the basic designation only.

1. AMERICAN WELDING SOCIETY (AWS) 2. AWS D3.6 Specification for Underwater Welding 3. ASTM A572 High Strength Structural Steel

1.03 SUBMITTALS

A. Submit the following in accordance with the requirements of Section 1300 - Submittal

Procedures.

1. Shop Drawings 2. Test Assemblies and Diver Welding Certifications 3. Dive Safety Plan

B. The Contractor shall submit his plan for preparing the test assemblies for onsite welder

qualification.

1. Product Data 2. Welding Electrodes 3. Test Reports 4. Inspection Records

C. Contractor shall submit for approval results for all required examinations for Class C fillet welds.

D. The Contractor shall submit evidence that the size, length, and location of all welds conform to

AWS and the Contract Drawings, and that no specified welds have been omitted and no unspecified welds have been added.

E. The Contractor shall submit all videotapes, photographs and reports interpreting the inspection

results.

F. Certificates of Welders Qualifications

1. Contractor shall submit certification that each welder is qualified in accordance with the requirements of AWS D3.6. Such certification shall not relieve the requirement for onsite testing as described herein. Provide records of Welder Qualification Test Reports.

G. Welding Procedures

1. Contractor shall submit for approval Procedure Qualification Records, and certification that

the Confirmation Welds meet the requirements of AWS D3.6.

H. General Provisions

05530-2

1. Underwater welding shall conform to the requirements of AWS D3.6, and the additional requirements set forth herein. The Contractor shall keep onsite and available for use an up-to-date copy of AWS D3.6.

I. Weld Classification

1. Inspection for production welds shall conform to the AWS requirements for Class C welds - Visual Examination.

J. Confirmation Welds

1. Confirmation welds shall be required as specified in AWS D3.6 for single-pass 3/16-in. welds and 3/8 in. steel plate. The welding system shall correspond with the system to be used for production welding.

K. Welder Qualification Tests

1. Upon receipt of proof by the Engineer that all AWS D3.6 essential variables for welder qualification have been satisfied, each welder shall be qualified at the site of the production welds by administration of an onsite welding test.

a. Onsite Welding Test: Each underwater welder shall be required to pass an onsite

underwater welding test that is designed to simulate the production condition. Test assembly must be brought to the surface for visual examination. No exception shall be made to the testing requirement. Test assemblies shall simulate as closely as possible the production condition.

L. Method of Testing the Specimen

1. Welded specimens from the test assemblies shall be subject to visual examination by a

COUNTY-supplied third-party testing facility in accordance with the AWS requirements for Class C welds.

PART 2 - PRODUCTS 2.01 Wet Weld Electrodes

A. The wet weld electrode shall be high deposition, all position, Class E7014 AWS designed for wet

weld conditions. The weld metal typical properties shall be as follows: Wet Metal Chemistry (%)

C 0.06 Mn 0.54 Si 0.35 P 0.026 S 0.013

Mechanical Properties

Ultimate Tensile Strength 74,000 psi 0.2% Offset Yield Strength 68,000 psi Elongation in 2" 17% (in air) Reduction of Area 12.8%

The weld electrodes shall be Easytouch by Broco or approved equal.

05530-3

PART 3 - EXECUTION 3.01 Welder Substitution during Production

A. No unqualified individual shall substitute for a qualified welder during production. Only a qualified

welder that has passed an onsite welding test as outlined above shall be permitted to substitute for an established production.

3.02 Inspection

A. Third-Party Testing Facility All welds shall be subject to visual examination during production by COUNTY or a COUNTY-supplied third-party testing facility. The Contractor shall provide assistance, as required, to the COUNTY or third-party facility during inspection.

B. Contractor Inspection

In conjunction with the third-party testing facility, the Contractor shall provide inspection facilities as required by AWS D3.6.

PART 4 – MEASUREMENT AND PAYMENT 4.01 COST

A. All costs associated for Underwater welding are incidental, resulting in no separate payment for items described in this Section.

END OF SECTION

13110-1

SECTION 13110 – CATHODIC PROTECTION PART 1 – GENERAL 1.01 SCOPE AND CONTENT

A. Provide all materials, equipment, labor and supervision for the installation of galvanic Cathodic Protection (CP) Systems to protect the existing steel H-piles and Dolphins of the fender system at the Bob Sikes bridge.

The Cathodic Protection Systems shall be installed on the H-piles and Dolphins of the fender system by the CONTRACTOR in accordance with the plans and provisions of this and referenced specifications.

CONTRACTOR shall confirm the adequacy of the contract design and supply all materials, tools, consumables, utilities, labor, supervision, equipment and perform all work necessary to furnish and install the Cathodic Protection System as shown on the Contract Drawings and as described in the Contract.

1.02 REFERENCED PUBLICATIONS

A. Requirements of the following listed Codes, Recommended Practices, Specifications and Standards are a part of this specification. Latest revisions of such publications, as of the contract date, are applicable unless noted otherwise herein. In cases of conflict between this standard specification and any of these listed publications, the vendor or CONTRACTOR shall immediately submit the matter in writing to COUNTY who will provide a written clarification.

ASTM A 53 Specifications for Steel Piling NACE SP0176 Corrosion Control of Steel Fixed Offshore Platforms Associated with

Petroleum Production.

NACE SP0387 Metallurgical and Inspection Requirements for Cast Galvanic Anodes for Offshore Applications

NACE TM0190 Impressed Current Test Method for Laboratory Testing of Aluminum Anodes

AWS D1.1 Structural Welding Code AWS D3.6 Specifications for Underwater Welding

1.03 QUALITY ASSURANCE

A. Corrosion Engineer Qualifications: Engage the services of a corrosion engineer to supervise, inspect and test the installation of the CP system(s). Corrosion Engineer refers to a registered professional engineer with certification or licensing that includes education and experience in CP of buried or submerged metal structures, or a person certified by NACE International at the level of Corrosion Specialist or CP Specialist. Such a person shall have not less than five years of experience in the CP of submerged structures. The Corrosion Engineer has the following (minimum but not limited) tasks: 1. Review the cathodic protection designs in the Contract. Confirm the adequacy of the designs

or provide documentation and recommendations for modifications to the designs to ensure adequate Cathodic Protection of the fender system.

13110-2

2. Oversee and provide Quality Assurance for every phase of the CP installation. Submit QA/QC plan prior to commencing cathodic protection work. Plans shall address all required tasks to be performed by the Corrosion Engineer as well as test methods and testing instrumentation to be used.

3. Test continuity and connection on steel H-piles, anode material, and re-check continuity after continuity repairs have been made by the CONTRACTOR.

4. Review all shop drawings relating to Cathodic Protection for the CONTRACTOR prior to submittal.

5. Certify the proper operation and adequacy of the cathodic protection system. 6. Update the COUNTY directly (verbally and in writing) every 2 weeks regarding the progress

and quality of the CP work. 7. Provide a final installation and testing energizing report.

The Corrosion Engineer shall not be an employee of the CONTRACTOR, the CONTRACTOR’s organization, or the anode distributor or manufacturer. The Corrosion Engineer shall provide a final installation and testing report and sign and notarize the following statement, and shall submit the original and five copies to the COUNTY after completion of the project: “I certify that the cathodic protection systems constructed under this Contract have been completed to the point where the cathodic protection systems are functionally complete. I further certify that construction of these cathodic protection systems have proceeded substantially in accordance with the contract plans and specifications or that any deviations which are noted below, will not prevent the system from functioning in compliance with the intent of the contract when properly operated and maintained. These determinations have been based upon onsite observation of construction and testing, scheduled and conducted by me or by a project representative under my direct supervision, for the purpose of determining that the work proceeded in compliance with contract plans and specifications.”

B. The CP System installation shall conform to the applicable rules of NFPA 70 and all applicable

federal, state and local codes.

C. Certifications

1. The anode manufacturer shall obtain representative metal samples from each alloy heat and analyze same to prove compliance with the specified metallurgical composition and electrochemical performance. Sampling and testing shall be in compliance with NACE SP0387 and NACE TM0190. Metallurgical composition samples shall be checked for every heat before the pouring commences and after the heat has been run. Additional samples shall be tested if there are any intermediate changes to the charge during the pouring process. Electrochemical test samples shall be taken from the corner of as-cast anodes. All cut surfaces shall be masked-off prior to testing. The test results are to be documented with reference to the batch numbers and supplied by the vendor complete with certificate of conformity certifying that the anodes comply in all respects to the specification. The documentation shall include calibration certificates or calibration test run results for all instrumentation utilized.

2. Each anode shall be marked with its unique heat number and manufacturer’s name. For heat-treated anodes, a heat treatment batch number shall be provided on each anode.

3. No installation will be allowed prior to COUNTY’s approval of this certificate and anode identification.

D. Construct and install the CP System in accordance with the Contract Drawings, these

specifications and NACE SP0176.

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1.04 SUBMITTALS

A. Corrosion Engineer Qualification: Submit qualifications of the CONTRACTOR's Installer and Corrosion Engineer for the CP system demonstrating experience in system installations at a marine facility of similar type to that of this Project. Submit evidence of current license, corporate authorization (if applicable) of the engineering business, and NACE certifications. The Corrosion Specialist’s name and qualifications shall be certified in writing to the COUNTY prior to the start of construction. The Corrosion Specialist must have demonstrated experience in successful installation of a galvanic protection system of a steel structure in seawater.

B. Verification of Site Conditions: Refer to Paragraph 3.02. C. Product Data: Submit manufacturer’s data, catalogue cuts, certifications, and other descriptive

data for:

1. Anode alloy chemical composition.

2. Anode electrochemical performance.

3. Anode size and weight.

4. Anode core configuration.

5. Underwater Coating Material for anode assembly attachments.

D. Shop Drawings: Include plans, elevations, sections, details, and attachments to other work.

1. Shop drawings shall be submitted by the CONTRACTOR in accordance with Paragraph 3.02, including:

a. Name of the Corrosion Specialist preparing the shop drawings. b. List of not less than five of this specialist’s sea water installations that are at least

three or more years old and have been tested and found satisfactory. c. Contact information for references for these seawater installations

2. Detail locations of CP equipment with characteristics and cross-references to products.

3. Identification of any deviations from the Contract Drawings.

E. Quality Control Submittals

1. Certification of conformity from the manufacturer to demonstrate materials received complies with this specification.

2. Quality Control/Quality Assurance plan. QC/QA plan shall include methods for measuring electrical continuity, static and energized steel potentials. QC/QA plan to include certification statement and data collection tables.

3. Field quality-control reports.

F. Closeout Submittals

1. Final Report. A Final Report shall be submitted to the COUNTY documenting the installation and performance of the cathodic protection systems. At a minimum, the report shall contain the following information:

a. Measurements: All structure-to-electrolyte potential measurements shall be prepared in tabular form and submitted in six copies, with each location identified on the as-built drawings. Structure-to-electrolyte potential measurements are

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required as necessary to determine the extent of protection. All tests shall be witnessed by the COUNTY’s representative.

b. Maintenance Instructions: Before final acceptance of the cathodic protection system, six complete sets of type written instructions, covering the maintenance and operation of the installation, shall be prepared and submitted to the COUNTY. The instructions shall cover a brief description of cathodic protection principles and any other information concerned with the proper care and maintenance of the installation. The instructions shall be neatly bound between permanent covers and titled, “Maintenance and Operating Instructions”. These instructions shall be submitted for the COUNTY’s approval.

c. As-Built Drawings: An as-built drawing, to scale, of each system, is required displaying the locations of all anodes and structure-to-reference cell potential measurement locations.

d. As built drawings shall provide dimensions and show anode arrangement views of the piling, anode size and number, anode materials, anode layout details, mounting details and any other pertinent information considered necessary for the proper installation and maintenance of the system.

e. The Corrosion Engineer’s certification statement required by Paragraph 1.03A. f. Recommendations for maintenance testing, instructions for pile-to-reference cell

potential measurements and frequency of monitoring.

1.05 DELIVERY, STORAGE AND HANDLING

A. Store materials in a cool dry location unless otherwise specified by the manufacturer.

B. Protect anodes from exposure to rain and direct sunlight.

PART 2 – PRODUCTS 2.01 CATHODIC PROTECTION SYSTEM

The CONTRACTOR shall be responsible for review and confirmation of the adequacy of the design, fabrication, delivery and installation of the cathodic protection system in accordance with the following parameters and procedures:

A. Performance Basis:

1. Service Life 15 years 2. Mean Current density (seawater) 6 mA/sq. ft. 3. Mean Current density, mud zone 2 mA/sq. ft. 4. Anode utilization factor .90 5. Sea water resistivity 30 ohm-cm

B. For bid purposes, the CONTRACTOR shall use the surface areas and estimated quantities provided below. Anodes included in the table are 4.5” x 4.5” x 77”, 150 lb. aluminum alloy (MIL-A-24779).

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FENDER SYSTEM (H-PILES) Estimate H-Pile length: 50 feet

Section Pile Type Pile Qty Surface Area per Linear Foot Height

Approximate Immersed Area

Anodes Est. Qty.

Unit A HP 14X73 24 6.96 27' 4,510 Sq. Ft. 18

Unit B HP 14X73 18 6.96 27' 3,383 Sq. Ft. 16

Unit C HP 14X73 14 6.96 27' 2,631 Sq. Ft. 20

Unit D HP 14X73 52 6.96 27' 9,772 Sq. Ft. 48

Unit E HP 14X73 25 6.96 27' 4,698 Sq. Ft. 20

Unit F HP 14X73 50 6.96 27' 9,396 Sq. Ft. 40

Section Pile Type Pile Qty Surface Area per Linear Foot Height

Approximate Buried Area (Mud Zone)

Anodes Est. Qty.

Unit A HP 14X73 24 6.96 23’ 3,842 Sq. Ft. -

Unit B HP 14X73 18 6.96 23’ 2,881 Sq. Ft. -

Unit C HP 14X73 14 6.96 23’ 2,241 Sq. Ft. -

Unit D HP 14X73 52 6.96 23’ 8,324 Sq. Ft. -

Unit E HP 14X73 25 6.96 23’ 4,002 Sq. Ft. -

Unit F HP 14X73 50 6.96 23’ 8,004 Sq. Ft. -

Sub Total 63,884 Sq. Ft. 162

FENDER SYSTEM (DOLPIN)

Stations Pile Type Qty RadiusSubmerged Area

Approximate Exposed Area

Anodes Est. Qty.

SE Dolphin Sheet Piling 1 10 22' 2,010 Sq. Ft. 8

SW Dolphin Sheet Piling 1 10 22' 2,010 Sq. Ft. 8

NE Dolphin Sheet Piling 1 10 22' 2,010 Sq. Ft. 8

NW Dolphin Sheet Piling 1 10 22' 2,010 Sq. Ft. 8

Sub Total 8,040 Sq. Ft. 32

Total 71,924 Sq. Ft. 194

2.02 MATERIALS

A. All materials must be new, free from defects, and shall be of the best commercial quality for the

purpose specified. Furnish all necessary items and accessories not shown on the plans or specified herein, but which are required to carry out the specified intent of the work, without additional cost to the COUNTY.

B. Anode material shall be an aluminum alloy approved by the COUNTY. The chemical composition

shall conform to the requirements listed below:

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1. Anodes shall originate from a United States foundry to ensure the utmost in quality control.

2. Steel H-pile anodes shall be sacrificial aluminum alloy, MIL-A-24779, with 2” x 3/8” coated flat bar core or approved equal extending 6” out each end suitable for welding to piling. The anodes shall be manufactured with a 3” stand off and a maximum of 10” from the mounting surface to the outside face of the anode.

3. Chemical composition as follows:

Zinc 4.0 – 6.5 percent Indium 0.014 – 0.02 percent Silicon 0.08 – 0.20 percent Iron 0.090 percent maximum Copper 0.004 percent maximum Mercury 0.001 percent maximum Tin 0.001 percent maximum Others – each 0.02 percent maximum (total not to exceed 0.10 percent) Aluminum Remainder Anode Weight 150 lb.

C. Test current capacity of the aluminum alloy in seawater shall not be less than 1150 ampere-hours

per pound based on NACE TM0190. The aluminum alloy shall have an efficiency of not less than 0.85 and an open circuit potential of no less than –1.15 volts vs. a copper-copper sulfate reference electrode (CSE).

D. Supply and Testing of the Anodes:

1. Anode manufacturer shall have an approved quality assurance system in effect and shall

document the anode manufacturing and testing process in accordance with NACE RP0387. Each anode shall be marked and identified by the manufacturer’s name, type of anode, and heat and sequence number. All anodes shall be marked (stamped) with heat/charge numbers and anode code (type of material). Anodes shall be packaged in the manufacturer’s plant in a package suitable both for lifting and transfer using a forklift, truck transportation, and long-term storage on-site.

2. The anode manufacturer must be ISO 9001 Certified and must submit a copy of the Certification and its quality plan to the Engineer for review and approval. The anodes shall not be approved by the Engineer unless all quality control documents/certificates are submitted to the Engineer in an orderly manner prior to shipment. The anodes shall be manufactured with a maximum 3” stand off and 10” from the mounting surface to the outside face of the anode.

E. Underwater Coating Materials. Underwater coating materials shall consist of non-sag

compounds, capable of being applied and subsequently cured underwater. The resin component and hardener components shall be sharply contrasting color to the other, to assist in evaluating the thoroughness of jobsite mixing. Acceptable products include: 1. Hydrocote 1063 manufactured by BASF Construction Chemicals, LLC Building Systems, 889

Valley Park Drive, Shakopee, MN 55379

2. FX-764 Hydro-Ester ® Splash Zone & Underwater Paste manufactured by Fox Industries, 3100 Falls Cliff Road, Baltimore, MD 21211

3. Kop-Coat® A-788, manufactured by Carboline Company, 350 Hanley Industrial Court, St.

Louis, MO 63144

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4. Rockwater Splash Zone Compound, manufactured by Rockwater Manufacturing Corp., 106 Woodcleft Ave, Freeport, New York 11520

5. Enviroline 294 manufactured by Industrial Environmental Coatings Corp. dba Enviroline

Group 1831 Blount Road, Pompano Beach, FL 33069

PART 3 – EXECUTION 3.01 GENERAL

A. The cathodic protection system shall consist of providing and installing all equipment necessary

to produce a continuous flow of direct current from anodes in the electrolyte to the water side piling surfaces and placing the system in operable status. The purpose of the system is to adequately and efficiently protect the surfaces of the metal against corrosion where the surfaces are in contact with sea water. This is in addition to any protective coating on the piling. The contract drawings indicate the extent and general arrangement of the steel H-piles.

B. The intent of this specification is to use the sacrificial anode system as described, with the

number of anodes as are found necessary in calculations and submitted data, to meet this specification.

C. The CONTRACTOR shall coordinate and properly relate this work to the work of all trades. The general locations of the structures to receive protection are shown. The CONTRACTOR shall visit the premises and thoroughly familiarize himself with all details of the work and working conditions, verify existing conditions in the field, determine the exact locations of structures to be protected, and advise the COUNTY of any discrepancy before performing any work.

3.02 VERIFICATION OF SITE CONDITIONS

A. Within 15 calendar days after receipt of first notice to proceed and before commencement of any work, detailed shop drawings of the proposed cathodic protection installation shall be submitted in six complete sets for approval. The CONTRACTOR shall take actual resistivity measurements of the water in the area of the fender and sheet piling and provide this data with the shop drawings of the system for approval by the COUNTY.

B. The CONTRACTOR shall notify the COUNTY, in a timely manner, if there are any concerns

resulting from the field testing that require a change to the quantity and layout of the anodes as shown in the Contract Drawings. All change requests shall be supported by calculations and drawings submitted to the COUNTY for review.

3.03 APPROVAL OF MATERIALS AND EQUIPMENT

Within 45 calendar days after date of receipt of first notice to proceed and before commencement of installation of any materials or equipment, the CONTRACTOR shall submit for approval, a complete list of materials and equipment to be incorporated in the work. Refer to 1.04 Submittals.

3.04 WORKMANSHIP

The work, including testing, shall be performed by an organization that has had not less than ten years’ experience in this type of work in a heavy marine environment

3.05 ELECTRICAL CONTINUITY OF PILING

CONTRACTOR to verify continuity and make repairs as required. Contractor to make a four-inch fillet weld and coat the area between H-piles along the fender system in areas where it is determined that there is deficient electrical continuity between adjoining H-piles to obtain

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adequate continuity.

3.06 COATING OF METALLIC SURFACES

All mounting brackets, exposed anode core, steel patch plates, welds and areas of H-piles scraped clean for installation shall be coated with a two-part epoxy compound specifically formulated for underwater application. Surface preparation and application, including minimum number of coats and coating thickness, shall be in accordance with the coating manufacturer’s written procedures.

3.07 ANODE PLACEMENT – GENERAL

A. Anodes shall be installed in sufficient number and of the required type, size and spacing to obtain uniform current distribution to all waterside surfaces of the piling. Anodes shall not extend out more than 10” from the steel H-pile to the outside face of the anode. Anode assemblies installed facing out towards the navigable channel shall not extend beyond edge of timber wales. Provide a coal-tar epoxy coating to the back face of the anode where the anode is less than 3” from the steel H-pile.

B. Unless otherwise indicated, install all materials in accordance with the manufacturer’s

recommendations, safety procedures and as approved by the COUNTY. Where requirements of this Section conflict with the manufacturer’s recommendations, the Contractor shall submit the variance for review by the COUNTY.

C. Keep the anode free of oils, chemicals, paint, (except where specified) petroleum products and

other foreign chemicals or coatings. Remove all wrapping and protective shipping material from the anode prior to installation.

D. Install anodes underwater. Attach anodes by welding onto piling at the locations and elevations

indicated.

E. Prior to welding, remove marine fouling, coating, rust, mill scale and any other contaminants and clean to bare metal an area sufficient for attachment of the anode steel core strap. Remove all coating and contaminants from the attachment point prior to welding. Connect the anodes to the pile by underwater welding the anode steel core mounting straps to the piles as required per Section 05530 – Underwater Welding. Mechanical bolted connections may be used in lieu of underwater welding to permanently fasten anodes to piles. Coat all welds, mechanical connections and cleaned areas of the pilings with an approved underwater coating. Install anodes at locations indicated.

3.08 FIELD QUALITY CONTROL – PILING CATHODIC PROTECTION

A. The CONTRACTORS’s Corrosion Engineer shall complete the pre-installation testing and post-installation testing of the CP system. The testing shall include measuring the potentials using a silver-silver chloride half-cell along the fender system at a maximum interval of 10 feet approximately centered between the proposed anode locations or as determined by the Corrosion Engineer. The potential testing may require the use of a boat or the services of a diver.

1. Pre-installation survey shall be before anodes are in place.

2. Post-installation (Protected Structure) potential measurements shall be with the entire galvanic protection system operating for at least one month but no longer than three months.

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B. Conduct pre-installation and post-installation structure-to-water potential measurement surveys. Measure potentials using a buffered, saturated silver-silver chloride (Ag-AgCl) reference cell in conjunction with a hand-held high input impedance (minimum 10 megohm) digital voltmeter. Record potential measurements at one foot below the low mean water elevation, at mudline and at mid-pile depth per NACE SP0176. In all cases, the measurement shall be taken approximately 6-inches from the pile surface. Measurements should be made approximately centered between vertical anode locations.

C. A seawater reference electrode (dry type with no buffering solution) or specialized underwater

instruments operated by divers and shown to be in proper calibration can also be used with prior approval from the Engineer. Measurements taken by these reference electrodes must be corrected for water resistivity and temperature at the time of test.

D. Prepare test report(s) detailing measurements recorded. Include date, time, and locations of

testing, procedures, data interpretation, conclusions, and, if required, recommendations for any deficiencies observed. Submit to the COUNTY as part of the Final Report.

E. Criteria for determining the adequacy of protection on a submerged structure are defined in the

NACE International Publication SP0176.

3.9 VISUAL INSPECTION

Use visual inspection methods (diver inspection, physical measurements, photographs or videotape) to verify proper installation of anodes on the structure. Submit to the Engineer in final test report.

3.10 CORRECTION OF DEFICIENCIES

Correct all deficiencies in the materials and installation observed by the tests and inspection and pay for all retests made necessary due to deficiencies in material and/or installation at no additional cost to the COUNTY.

3.11 ONE YEAR PERFORMANCE INSPECTION

A. Inspect and test the CP system one year after the installation to ensure its continued conformance with the inspections outlined above. The performance period for the tests of the CP system shall commence after the installation, initial inspection and acceptable test results have been received and preliminary test results accepted by the COUNTY.

B. Final System Test Report: Upon completion of testing of the one year performance period and prior to its final acceptance by the COUNTY, submit the final report. Copies of the test data shall be certified by the CONTRACTOR’s corrosion engineer and forwarded to the COUNTY.

PART 4 - MEASUREMENT AND PAYMENT

4.1 METHOD OF MEASURMENT

A. The work under this work item will be paid based on the individual number of pile bulk anode assemblies installed (each) as described in the contract documents. Galvanic cathodic protection system shall be tested and energized by the Corrosion prior to submittal to the Engineer for satisfactory approval and payment.

4.2 BASIS OF PAYMENT

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A. Payment under this Article shall be at the unit price and shall be made based on the actual number of pier anode assemblies installed and approved by the Engineer. Price and payment shall provide full compensation for all work specified in this section including but not limited to: materials, labor, equipment, bulk anode, stainless steel angle and mounting bracket, wiring, connection box, Corrosion Engineer services, and any other incidentals related.

Pay Item No. 455-81-106 Cathodic Protection F&I Pile, Other Material Assembly EA

END OF SECTION