7584741 SpecsAsOne.pdf

Repair Wash Rack 7584741

DOCUMENT 01 90 00

SCOPE OF WORK

06/26

PART 1 GENERAL

1.1 GENERAL INTENTION

The intent of this work includes repair of spalled concrete on a wash rack pedestals and re coating steel handrails and incidental related work.

1.2 LOCATION

The work is located at MCAS Cherry Point, approximately as indicated. The exact location will be shown by the Contracting Officer.

1.3 DETAILED REQUIREMENTS

Drawings:

12939799 Sh. G001 Cover Sheet, Location Plan 12939800 Sh. CE01 Existing Conditions Wash Rack Plan 12939801 Sh. CE02 Elevation View of the Wash Rack 12939802 Sh. CU01 Repair Details of Wash Rack

Specifications:

Section 01 90 00 Scope of Work Section 03 01 00 Rehabilitation of Concrete Section 03 30 00 Cast-in-place Concrete Section 09 90 00 Paints and Coatings

1.4 SPECIAL SCHEDULING REQUIREMENTS

Have materials, equipment, and personnel required to perform the work at the site prior to the commencement of the work.

The Wash rack will remain in operation during the entire construction period. The Contractor must conduct his operations so as to cause the least possible interference with normal operations of the activity.

Permission to interrupt any activity roads, railroads, or utility service must be requested in writing a minimum of 15 calendar days prior to the desired date of interruption and in accordance with .

1.5 CONTRACTOR ACCESS AND USE OF PREMISES

1.5.1 ACTIVITY REGULATIONS

Ensure that Contractor personnel employed on the Activity become familiar with and obey Activity regulations including safety, fire, traffic, and security regulations. Keep within the limits of the work and avenues of ingress and egress. Wear hard hats in designated areas. Do not enter any restricted areas unless required to do so and until cleared for such entry. Mark Contractor equipment for identification.

SECTION 01 90 00 Page 1

1.5.1.1 SUBCONTRACTORS AND PERSONNEL CONTACTS

Provide a list of contact personnel of the Contractor and Subcontractors including addresses and telephone numbers for use in the event of an emergency. As changes occur and additional information becomes available, correct and change the information contained in previous lists.

1.5.1.2 INSTALLATION ACCESS

Obtain access to Navy and Marine Corps installations through participation in the Defense Biometrics Identification System (DBIDS). Requirements for Contractor employee registration, and transition for employees currently under Navy Commercial Access Control System (NCACS), are available at https://www.cnic.navy.mil/Operations-and-Management/Base-Support/DBIDS/ .

No fees are associated with obtaining a DBIDS credential.

Participation in the DBIDS is not mandatory, and Contractor personnel may apply for One-Day Passes at the Base Visitor Control Office to access an installation.

1.5.1.2.1 REGISTRATION FOR DBIDS

Registration for DBIDS is available at https://www.cnic.navy.mil/Operations-and-Management/Base-Support/DBIDS/ .

Procedure includes:

a. Present a letter or official award document (i.e. DD Form 1155 or SF 1442) from the Contracting Officer that provides the purpose for access to the Base Visitor Control Center representative.

b. Present valid identification, such as a passport or Real ID Act-compliant state driver's license.

c. Provide completed SECNAV FORM 5512/1 to the Base Visitor Control Center representative to obtain a background check. This form is available for download at https://www.cnic.navy.mil/Operations-and-Management/Base-Support/DBIDS/ .

d. Upon successful completion of the background check, the Government will complete the DBIDS enrollment process, which includes Contractor employee photo, finger prints, base restriction, and several other assessments.

e. Upon successful completion of the enrollment process, the Contractor employee will be issued a DBIDS credential and will be allowed to proceed to the worksite.

1.5.1.2.2 DBIDS ELIGIBILITY REQUIREMENTS

Throughout the length of the contract, the Contractor employee must continue to meet background screen standards. Periodic background screenings are conducted to verify continued DBIDS participation and installation access privileges. DBIDS access privileges will be immediately suspended or revoked if at any time a Contractor employee becomes ineligible.

An adjudication process may be initiated when a background screen failure results in disqualification from participation in the DBIDS, and Contractor employee does not agree with the reason for disqualification.

SECTION 01 90 00 Page 2

The Government is the final authority.

1.5.1.2.3 DBIDS NOTIFICATION REQUIREMENTS

Immediately report instances of lost or stolen badges to the Contracting Officer.

Immediately collect DBIDS credentials and notify the Contracting Officer in writing under the following circumstances:

a. An employee has departed the company without having properly returned or surrendered their DBIDS credentials.

b. There is a reasonable basis to conclude that an employee, or former employee, might pose a risk, compromise, or threat to the safety or security of the Installation or anyone therein.

1.5.1.2.4 ONE-DAY PASSES

Personnel applying to One-Day passes at the Base Visitor Control Office are subject to daily mandatory vehicle inspection and will have limited access to the Installation. The Government is not responsible for any cost or lost time associated with obtaining daily passes or added vehicle inspections incurred by non-participants in the DBIDS.

1.5.1.3 NO SMOKING POLICY

Smoking is prohibited within and outside of all buildings on Installation, except in designated smoking areas. This applies to existing buildings, buildings under construction, and buildings under renovation. Discarding tobacco materials other than into designated tobacco receptacles is considered littering and is subject to fines. The Contracting Officer will identify designated smoking areas.

1.5.2 WORKING HOURS

Regular working hours will consist of an 8 1/2-hour period, normally between the hours of 7:00 am to 3:30 pm, Monday through Friday, excluding Government holidays.

1.5.3 WORK OUTSIDE REGULAR HOURS

Work outside regular working hours requires Contracting Officer approval.

Make application 15 calendar days prior to such work to allow arrangements to be made by the Government for inspecting the work in progress, giving the specific dates, hours, location, type of work to be performed, contract number, and project title. Based on the justification provided, the Contracting Officer may approve work outside regular hours. During periods of darkness, the different parts of the work must be lit in a manner approved by the Contracting Officer.

1.5.4 EXCLUSIONARY PERIOD

No work must be performed during the period 1700 to 0500 hrs, inclusive, without prior written approval of the Contracting Officer. This period has not been considered in computing the time allowed for the performance of this contract.

SECTION 01 90 00 Page 3

1.5.5 OCCUPIED BUILDINGS

The Contractor will be working around existing buildings which are occupied. Do not enter the buildings without prior approval of the Contracting Officer.

The existing buildings and their contents must be kept secure at all times. Provide temporary closures as required to maintain security as directed by the Contracting Officer.

1.5.6 UTILITY CUTOVERS AND INTERRUPTIONS

Make utility cutovers and interruptions after normal working hours or on Saturdays, Sundays, and Government holidays. Conform to procedures required in WORK OUTSIDE REGULAR HOURS.

Ensure that new utility lines are complete, except for the connection, before interrupting existing service.

Interruption to water, sanitary sewer, storm sewer, telephone service, electric service, air conditioning, heating, fire alarm, and compressed air are considered utility cutovers.

Operation of Station Utilities: The Contractor must not operate nor disturb the setting of control devices in the station utilities system, including water, sewer, electrical, and steam services. The Government will operate the control devices as required for normal conduct of the work. The Contractor must notify the Contracting Officer giving reasonable advance notice when such operation is required.

1.6 SECURITY REQUIREMENTS

1.6.1 STATION REGULATIONS

No employee or representative of the contractor will be admitted to the work site without an Identification Badge or is specifically authorized admittance to the work site by the Facilities Engineering & Acquisition Division (FEAD).

IMPORTANT NOTE: FEAD personnel (Construction Managers, Engineers/Architects, Engineering Technicians, Contract Specialists, or Contract Surveillance Representatives) will not receive, process, re-transmit or otherwise handle IN ANY WAY Personally Identifiable Information (PII) related to the badging process. Do NOT forward any of this information to the FEAD.

1.6.2 CONTRACTOR ACCESS TO MCAS CHERRY POINT AND OUTLYING AREAS

Documentation requirements for granting access to MCAS Cherry Point for commercial and contract employers and employees. This document is an aide in meeting ASO 5560.6C requirements and is not a substitute for the order.

The Pass and Identification Office at Building 251 will issue credentials to authorized contractors. Subcontractors and suppliers must coordinate through the Prime Contractor.

SECTION 01 90 00 Page 4

1.6.2.1 CRIMINAL ACTIVITY

In accordance with ASO 5560.6C, the below list of criminal activities within an applicant's record are considered not in the best interest of the Marine Corps and will be grounds for automatic denial of access aboard the Installation:

a. Conviction for espionage, sabotage, sedition, treason, terrorism, armed robbery, or murder.

b. Felony conviction for a firearms or explosives violation, regardless of the date of conviction.

c. Conviction of crimes encompassing sexual assault or rape.

d. Conviction of crimes encompassing child molestation or the possession or production of child pornography.

e. Conviction of trafficking in persons.

f. Conviction of drug possession with intent to sell or distribute.

g. Conviction of three or more misdemeanor violations, or attempted violations, within the previous 10 years of the following offenses:

1) Sex crime

2) Assault

3) Larceny

4) Drugs

5) Weapons

Persons requesting access to MCAS Cherry Point will be denied access based on the following:

a. The individual is a registered sex offender.

b. The individual has an active arrest warrant from Federal, State, local, or other civil law enforcement authorities, regardless of offense or violation.

c. The individual has a felony conviction within the last 10 years, regardless of the offense or violation.

d. The individual's name appears on any Federal or State agency watch list for criminal behavior or terrorist activity.

e. The individual is debarred entry or access to a Marine Corps site, other DoD installations or facilities, or other Federal site or facility.

f. The individual engaged in acts or activities designed to overthrow the U.S. Government by force.

g. The individual is known to be or reasonably suspected of being a terrorist or belongs to an organization with known terrorism links/support.

h. The individual is identified in the National Crime Information Center (NCIC) known suspected terrorist (KST) file, or the Terrorist

SECTION 01 90 00 Page 5

Screening Database (TSDB) report as known to be, or suspected of being, a terrorist or belonging to an organization with known links to terrorism or support of terrorist activity. If an individual is identified on the NCIC KST files or TSDB, the Provost Marshal's Office (PMO) will immediately call the NCIS Multiple Threat Alert Center (MTAC) for further coordination. The MTAC will coordinate the the Department of Justice or Federal Bureau of Investigation (FBI) and provide handling instructions to MCAS Cherry Point Police, Criminal Investigations Division (CID), or NCIS.

i. The individual is illegally present in the U.S.

j. This individual has knowingly submitted an employment questionnaire with false or fraudulent information.

k. The individual is a prisoner on a work release program or currently on felony probation or parole.

l. The individual is pending any felony charge.

m. The individual has criminal arrest information that the site commander determines the person presents a threat to good order, discipline, or health and safety on the Marine Corps site.

n. Any reason the Installation Commander deems reasonable for good order and discipline.

1.6.3 FLIGHTLINE SECURITY REQUIREMENTS

Work involved under this contract is in the Flightline Security Area. No employee or representative of the Contractor will be admitted to the work site unless they (1) are specifically authorized admittance by the FEAD and (2) have a security badge. The Contractor must obtain clearance and Flightline Security badges for all personnel required to be on the project site prior to performing any work. The Contractor must submit a written request for security badges to the FEAD and to Pass & ID. Each employee will be required to go to Pass & ID at Building 251 to obtain their security badge with Flightline access. A limited number of Contractor vehicles will be allowed access to the site of work subject to meeting regular Station access requirements. No personal vehicles will be allowed behind the security fence. Parking of vehicles will be restricted to the immediate project site as determined by the FEAD. The security badges issued under this contract are valid for this specific project and are not transferable to another project. 1.6.4 STAGING AREA

The Contractor staging area will be PM to coordinate. Amount of material on site must be kept to a minimum and must only be material that is pertinent to the work currently being performed. All stockpiling of equipment and materials must be closely coordinated with the Government and must not disrupt activities at the site.

1.7 MINIMUM INSURANCE REQUIREMENTS

Provide the minimum insurance coverage required by FAR 28.307-2 Liability, during the entire period of performance under this contract. Provide other insurance coverage as required by North Carolina Law.

SECTION 01 90 00 Page 6

1.8 SUPERVISION

The complexity of this project will require one person to fill the roles of the Superintendent, Quality Control Manager, and Site Safety and Health Officer.

1.9 SUBMITTALS

The following items must have submittals delivered to the Contracting Officer Representation (COR) for approval by the Government prior to the commencement of site work:

Certificates of Insurance Surety Bonds List Of Proposed Subcontractors List Of Proposed Products Baseline Construction Schedule Submittal Register Schedule Of Prices Or Earned Value Report Accident Prevention Plan Work Plan Quality Control (QC) plan Environmental Protection Plan

1.10 PLANNED OUTAGES AND SERVICE DISRUPTIONS

Planned outages and service disruptions are requested by the Contractor for approval by the Government when necessary to facilitate and/or accomplish contract work. Affected services include utilities (steam, water, waste water, and electrical service), communications (telephone, network, industrial control systems, and fire/security alarm systems, fire protection equipment, infrastructure, and road closures. Disruption of these services cannot be allowed without written approval of the government.

The Contractor is required to (1) request the outage in writing and (2) demonstrate sufficient contingency preparedness in the event that service cannot be restored due to a failure in accomplishment of contract work.

All outages require Contractor's written request fifteen (15) days prior to commencement of such work. The request must be submitted to the COR with the date, time, duration, and scope of the outage.

As supporting documentation for the request, the Contractor is required to submit a contingency plan for all reasonably foreseen risks related to the Contractor's performance of the work that would impact disrupted services in excess of the approved outage. This plan must demonstrate the following at a minimum:

a. Understanding of key personnel and communications methods to include phone numbers.

b. Analysis of reasonable risks during the contract work that would impact disrupted services in excess of the approved outage.

c. An effective recovery plan to restore minimum essential services in the event of these risks materializing.

SECTION 01 90 00 Page 7

d. Requested Government support.

The Government will similarly produce risk-based contingency plans for restoration of essential services caused by reasonably foreseen factors that are not related to the performance of the contract. In these cases, the Government may request the Contractor make additional preparations to support essential and high-risk services. Such requests are considered within the scope of this contract but will be priced and negotiated via modification as conditions warrant.

Approvals will be issued by the Public Works Officer or their designee and transmitted via the COR.

1.11 GOVERNMENTAL SAFETY REQUIREMENTS

Personal protective equipment (PPE) is governed in all areas by the nature of the work the employee is performing. Use personal hearing protection at all times in designated noise hazard locations or when performing noise hazardous tasks. Safety glasses must be worn or carried/available on each person. Mandatory PPE includes:

a. Hard hats

b. Long pants

c. Appropriate safety shows

d. Appropriate class reflective vest.

Comply with the Safety and Health Requirements Manual (EM 385-1-1), NFPA 70, NFPA 70E, NFPA 241, the Accident Prevention Plan (APP), the Activity Hazard Analysis (AHA), Federal and State OSHA regulations, and other related submittals and activity prevails.

An APP in accordance with EM 385-1-1, ENG Form 6293, is required.

An AHA in accordance with EM 385-1-1, is required for each activity or task.

The contractor is responsible for any required permits.

1.12 EXECUTION

If during the course of the work conditions are encountered which are not covered in the contract or are different from conditions that would be reasonably anticipated, the Contractor must immediately notify the Contracting Officer. If such conditions are hazardous or the continuation of work would cause a hazardous condition to develop, the Contractor must stop work and proceed as directed by the Contracting Officer as directed by provisions contained in other sections of this specification. This may include modifications to, or the development of a new, Health and Safety Plan for this project and alternate or additional appropriate abatement procedures.

SECTION 01 90 00 Page 8

1.13 CLOSEOUT SUBMITTALS

1.13.1 SPARE PARTS DATA

Submit two (2) copies of the Spare Parts Data list. Indicate manufacturer's name, part number, nomenclature, and stock level required for maintenance and repair. List those items that may be standard to the normal maintenance of the system.

1.13.2 WARRANTY MANAGEMENT PLAN

Develop a warranty management plan which contains information relevant to FAR 52.246-21 Warranty of Construction. Submit two (2) sets of the warranty management plan. Include within the warranty management plan all required actions and documents to assure that ht Government receives all warranties to which it is entitled. The plan narrative must contain sufficient detail to render it suitable for use by future maintenance and repair personnel, whether tradesmen, or of engineering background, not necessarily familiar with this contract. The term "status" as indicated below must include due date and whether item has been submitted or was accomplished. Assemble approved information in a binder and turn over to the Government upon acceptance of the work. The construction warranty period must begin on the date of project acceptance and continue for the full product warranty period. The warranty management plan must include, but is not limited to, the following:

a. Roles and responsibilities of personnel associated with the warranty process, including points of contact and telephone numbers within the organizations of the Contractors, Subcontractors, Manufacturers, or Suppliers involved.

b. For each warranty, the name address, telephone number, and e-mail of each of the guarantor's representatives nearest to the project location.

c. A list and status of delivery of Certificates of Warranty for extended warranty items, including roofs, HVAC balancing, pumps, motors, transformers, and for commissioned systems, such as fire protection and alarm systems, sprinkler systems, and lightning protection systems.

d. As-Built Record of Equipment and Materials list for each warranted equipment, item, feature or construction or system indicating:

1) Name of items.

2) Model and serial numbers.

3) Location where installed.

4) Name and phone numbers of manufacturers or suppliers.

5) Names, addresses, and telephone numbers of sources of spare parts.

6) Warranties and terms of warranty. Include one-year overall warranty of construction, including the starting date of warranty of construction. Items which have extended warranties must be indicated with separate warranty expiration dates.

7) Cross-reference to warranty certificates as applicable.

8) Starting point and duration of warranty period.

9) Summary of maintenance procedures required to continue the warranty in force.

10) Cross-reference to specific pertinent Operation and Maintenance manuals.

11) Organization, names, and phone numbers of persons to call for

SECTION 01 90 00 Page 9 warranty service.

12) Typical response time and repair time expected for various warranted equipment.

e. Procedure and status of tagging of equipment covered by extended warranties.

f. Copies of instructions to be posted near selected pieces of equipment where operation is critical for warranty or safety reasons.

1.13.3 OPERATIONS AND MAINTENANCE MANUALS

Provide four (4) electronic copes of the Operation and Maintenance Manual files. Submit to the Contracting Officer for approval thirty (30) days before the Beneficial Occupancy Date (BOD). Update and resubmit files for final approval at BOD>.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

Not used.

-- End of Section --

SECTION 01 90 00 Page 10

SECTION 03 01 00

REHABILITATION OF CONCRETE

02/18

PART 1 GENERAL

1.1 SCOPE

This specification governs the rehabilitation of structural concrete.

1.2 DEFINITIONS

1.2.1 Bracing

Temporary supplemental members used to avoid local or global instability during construction, evaluation, or repair that are intended to be removed after completion of construction.

1.2.2 Delamination

A planar separation in a material that is roughly parallel to the surface of the material.

1.2.3 Rehabilitation

Repairing or modifying an existing structure to a desired useful condition.

1.2.4 Repair

The reconstruction or renewal of concrete parts of an existing structure for its maintenance or to correct deterioration, damage, or faulty construction of members or systems of a structure.

1.2.5 Shoring

Props or posts of timber or other material in compression used for the temporary support of excavations, formwork, or unsafe structures; the process of erecting shores.

1.2.6 Termination Joint

The interface where a placement of repair material meets existing concrete, the edge of an expansion joint, or other existing surfaces.

1.2.7 Unsound Concrete

Concrete that is fractured, delaminated, spalled, deteriorated, defective, contaminated or otherwise damaged.

1.3 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

SECTION 03 01 00 Page 1

AMERICAN CONCRETE INSTITUTE (ACI)

ACI 117 (2010; R 2015) Specifications for Tolerances for Concrete Construction and Materials and Commentary

ACI 503.2-503.4 (2010, R 2003) Three Epoxy Specifications

ACI 503.7 (2007) Specification for Crack Repair by Epoxy Injection

ACI 548.4 (2011) Standard Specification for Latex-Modified Concrete (LMC) Overlays

ACI 548.10 (2010) Specification for Type MMS (Methyl Methacrylate Slurry) Polymer Overlays for Bridge and Parking Garage Decks

ACI 548.12 (2012) Specification for Bonding Hardened Concrete and Steel to Hardened Concrete with an Epoxy Adhesive

ASTM INTERNATIONAL (ASTM)

ASTM C33/C33M (2024a) Standard Specification for Concrete Aggregates

ASTM C387/C387M (2023) Standard Specification for Packaged, Dry, Combined Materials for Concrete and High Strength Mortar

ASTM C881/C881M (2020a) Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete

ASTM C882/C882M (2024) Standard Test Method for Bond Strength of Bonding Systems Used With Concrete by Slant Shear

ASTM C928/C928M (2025) Standard Specification for Packaged, Dry, Rapid-Hardening Cementitious Materials for Concrete Repairs

ASTM C1059/C1059M (2024) Standard Specification for Latex Agents for Bonding Fresh to Hardened Concrete

ASTM C1077 (2026) Standard Practice for Agencies Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Testing Agency Evaluation

ASTM C1438 (2013; R 2017) Standard Specification for Latex and Powder Polymer Modifiers for use in Hydraulic Cement Concrete and Mortar

ASTM C1583/C1583M (2013) Standard Test Method for Tensile Strength of Concrete Surfaces and the Bond Strength or Tensile Strength of Concrete

SECTION 03 01 00 Page 2

Repair and Overlay Materials by Direct Tension (Pull-off Method)

ASTM C1600/C1600M (2017) Standard Specification for Rapid Hardening Hydraulic Cement

ASTM C1602/C1602M (2022) Standard Specification for Mixing Water Used in Production of Hydraulic Cement Concrete

ASTM D93 (2019) Standard Test Methods for Flash-Point by Pensky-Martens Closed Cup Tester

ASTM D323 (2015a) Vapor Pressure of Petroleum Products (Reid Method)

ASTM D542 (2014) Index of Refraction of Transparent Organic Plastics

ASTM D1078 (2011) Standard Test Method for Distillation Range of Volatile Organic Liquids

ASTM D3418 (2015) Transition Temperatures of Polymers by Differential Scanning Calorimetry

ASTM D4016 (2014) Viscosity of Chemical Grouts by Brook field Viscometer (Laboratory Method)

ASTM D4580/D4580M (2012) Standard Practice for Measuring Delaminations in Concrete Bridge Decks by Sounding

ASTM E329 (2025b) Standard Specification for Agencies Engaged in Construction Inspection, Testing, or Special Inspection

INTERNATIONAL CONCRETE REPAIR INSTITUTE (ICRI)

ICRI 310.2R (2013) Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings, Polymer Overlays, and Concrete Repair

1.4 SUBMITTALS

Government approval is required for all submittals . Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Qualifications;

Work Plan;

Quality Control Plan;

SD-03 Product Data

SECTION 03 01 00 Page 3

Conventional Concrete

Polymers

Miscellaneous Materials And Equipment

SD-06 Test Reports

Mixture Proportioning

Quality Control

Conventional Concrete

Polymers Miscellaneous Materials And Equipment

SD-07 Certificates

Qualifications

Reinforcement And Reinforcement Supports

Conventional Concrete

Polymers

SD-08 Manufacturer's Instructions

Equipment For Concrete Preparation

Conventional Concrete

Polymers

Miscellaneous Materials And Equipment

1.5 QUALITY ASSURANCE

1.5.1 General Requirements

a. Follow the requirements of Section 03 30 00 CAST-IN-PLACE CONCRETE for Work involving portland cement concrete.

b. To protect personnel from overexposure to toxic materials, conform to the applicable manufacturer's Safety data sheets or local regulations.

Submit manufacturer's Safety Data Sheets for all polymers as well as other potentially hazardous materials.

c. Submit the repair procedures for executing the work as well as the test data and documentation on materials used for repair. Submittal must include component materials, mixture proportions, and supplier's quality control program.

d. Inspection and testing of surface preparation as well as placement of reinforcing steel must be in accordance with provisions included herein and the Contract Document.

SECTION 03 01 00 Page 4

e. Sampling and testing of materials, as well as inspection and testing of work, must be in accordance with established procedures, manufacturer's instructions, specific instructions from the Contracting Officer if given, or recommended practices as referenced herein and the Contract Documents.

f. Trial batches and testing requirements for various repair materials specified are the responsibility of the Contractor.

g. The testing agency must inspect, sample, and test repair materials and concrete production as required. When it appears that material furnished or work performed by Contractor fails to conform to Contract Documents the testing agency will immediately report such deficiency.

1.5.2 Quality Control Plan

Submit a quality control plan as specified in Section03 30 00

CAST-IN-PLACE CONCRETE.

1.5.3 Qualifications

The submittals must where applicable, identify agencies and individuals who will be working on this contract and their relevant experience. Do not make changes in approved agencies or personnel without prior approval of the Contracting Officer.

1.5.3.1 Testing Agencies

In addition to the requirements of Section 01 45 00 QUALITY CONTROL, agencies that test concrete materials must meet the requirements of ASTM C1077. Testing agencies that test or inspect placement of reinforcing steel must meet the requirement of ASTM E329. Submit data on qualifications of Contractor's proposed testing agency for acceptance.

1.5.3.2 Quality Control Personnel

Field tests of repair materials required must be made by an ICRI Concrete Surface Repair Technician Tier 2. Submit resumes, pertinent information, past experience, training and education of all operators of specialized demolition equipment if needed for this and the three paragraphs above.

1.5.3.3 Contractor Qualifications

The contractor performing the repair work must have been involved in a minimum of three concrete repair projects similar in size and scope to this project for at least five years. Submit information, including name, dollar value, date, and point-of-contact for similar projects which demonstrates the required experience and/or training.

1.5.3.4 Worker Qualifications

a. Each worker engaged in the use of specialized removal or application equipment, including saw operators milling machine operators, hydromilling equipment operators, epoxy injection , must have satisfactorily completed an instruction program and three years of experience in the operation of the equipment. The worker must have active experience with the equipment within five years of the project.

b. Workers installing adhesive anchors must be ACI Adhesive Anchor

SECTION 03 01 00 Page 5

Installer certified or equivalent.

1.5.3.5 Regulatory Requirements

Perform all work in accordance with applicable Federal, State, and local safety, health, and environmental requirements. The Contractor is responsible for obtaining all permits required by Federal, State, and local agencies for the performance of the work.

1.5.4 Pre-Construction Conference

Conduct a pre-construction conference to discuss repair materials performance requirements, control provisions, and roles and responsibilities for the Work to ensure that the Contractor's personnel understand all aspects of the repair material, its properties and application procedures. The conference must include the Contracting Officer or authorized representative, the Contractor's field superintendent and foreman, and a competent Technical Representative of the material manufacturer, and other involved trades or supplier representatives. The Technical Representative must be fully qualified to perform the work.

1.5.5 Work Plan

Prepare a work plan describing the methods of concrete removal and repair, including methods, equipment and materials to be used for each feature.

Submit the work plan for approval at least 30 days prior to the start of the work. The plan must include, but not be limited to, repair materials to be used with specific information on products and/or constituents, and requirements for handling, storage, etc., equipment to be used, surface preparation, and requirements for placement, finishing, curing and protection specific to the materials used. Include a description of field demonstrations in the work plan. Do not commence work until the work plan and field demonstration representative of the type of work are approved.

1.6 ACCEPTANCE OF REHABILITATION WORK

1.6.1 General Requirements

a. Completed concrete rehabilitation work must conform to applicable requirements of Contract Document and this specification. The Contractor is responsible to bring Work into compliance with requirements of Contract Documents if the Concrete repair work fails to meet one or more requirements of Contract Documents.

b. Correct rejected repair work by removing and replacing or by strengthening with additional construction acceptable to the Contracting Officer. Use repair methods that meet applicable requirements for function, durability, dimensional tolerances, and appearance.

c. Submit proposed work plan, repair methods, materials, and modifications to the Work needed to correct rejected repair work to meet the requirements of Contract Documents.

1.6.2 Tolerances

a. Construction tolerances for repairs must conform to ACI 117 . Where existing conditions do not allow tolerances to conform to ACI 117 , use

SECTION 03 01 00 Page 6 the details and materials for such conditions as indicated in the Contract Documents. For conditions not shown or that are different than indicated in the Contract Documents, notify the Contracting Officer before proceeding with the work at those locations

b. Inaccurately formed concrete surfaces resulting in concrete members with dimensions that exceed ACI 117 tolerances are subject to rejection.

1.6.3 Appearance

Concrete surfaces not meeting the requirements of the Contract Documents must be brought into compliance.

1.7 PROTECTION OF COMPLETED REHABILITATION WORK

a. Do not allow construction loads to exceed the loads that a structural member or structure is safely capable of supporting without damage.

Provide supplemental support if construction loads are expected to exceed safe load capacity.

b. Protect repaired and adjacent areas from damage by construction traffic, equipment, and materials. During the curing period, protect repair materials from damage by mechanical disturbances, including load-induced stresses, shock, and vibration.

c. Protect repair materials from environmental damage by weather events during the length of the curing period.

PART 2 PRODUCTS

Products or materials used must conform to the requirements included herein as well as the Contract Documents. The usage of other products or materials not covered by this requirement or specified in the Contract Documents are permitted upon approval by the Contracting Officer.

Additional information and submittals for products and materials not included in this document including product data, samples, design data, test reports, certificates, manufacturer's instructions, and field reports must be submitted as requested by the Contracting Officer.

2.1 EQUIPMENT FOR CONCRETE PREPARATION

Means and methods used for concrete removal and surface preparation must be selected and used such as to minimize damage to the structure and to the concrete substrate that remains.

2.1.1 Equipment for Concrete Removal

Removal equipment and techniques must be suitable to produce concrete surface profiles and level of cleanliness in designated areas as required by this specification and the contract Documents.

2.1.1.1 Concrete Breakers

a. Provide sharp tips on breaker equipment to minimize microcracking damage in partial depth removal.

b. The use of the following impact equipment and methods is permitted:

Hand-held breakersScabblersNeedle scalersScarifiers.

SECTION 03 01 00 Page 7

c. The maximum breaker size is 8 to 90 lbs.

2.1.2 Surface preparation and cleaning equipment

2.1.2.1 Low Pressure Water Cleaning

Use equipment capable of delivering 1000 psi to to 5000 psi at 2 gal/min to 10 gal/min for cleaning loose material from repair areas.

2.1.2.2 Other Cleaning Equipment

Use equipment that delivers oil free air capable of cleaning loose material and debris from repair areas. If necessary to dry the concrete surface, clean, dry, compressed air may be used. Also, use vacuums capable of removing loose material and debris.

2.2 MATERIALS FOR FORMWORK AND EMBEDDED ITEMS

a. Formwork and embedded items must meet the requirements specified in Section 03 30 00 CAST-IN-PLACE CONCRETE .

b. Install and remove formwork without damaging or staining the existing structure or repair material.

c. Forms used for polymer concrete/mortars must be tight enough to hold the material that is used without leaking. All surfaces where bond is not desired, but which are exposed to the monomer or resin, must be treated with a form release agent.

2.3 CONVENTIONAL CONCRETE

a. Portland cement concrete materials must meet the requirements specified in Section 03 30 00 CAST-IN-PLACE CONCRETE .

b. Materials for shotcrete must meet the requirements of Section 03 37 13

SHOTCRETE.

c. For cement based bonding systems use neat portland cement or a blend of portland cement and an ASTM C33/C33M fine aggregate filler proportioned one to one by mass. The water-to-cement ratio of the bonding mixture must be equal to the water-to-cement ratio of concrete used as a repair or overlay material. Water used must meet ASTM C1602/C1602M requirements

d. Use cementitious materials indicated in the Contract Documents.

e. Aggregates used in concrete must be obtained from the same sources ,be of the same typeand have the same size range as aggregates used in the concrete represented by submitted historical data or used in trial mixtures.

f. Refer to Section 03 30 00 CAST-IN-PLACE CONCRETE for details on submittals involving conventional concrete.

2.4 POLYMERS

a. The requirements for the properties of polymers and aggregates used in

SECTION 03 01 00 Page 8 polymers must meet the requirements specified in this paragraph as well as the properties specified in the referenced specifications and the Contract Documents.

b. Polymers used must be compatible with other polymers and materials used on the project. Unless repair materials are specified in the contract documents, the Contractor is responsible for verifying material compatibilities.

c. Submit product data, manufacturer's Safety Data Sheets,samples, design data, test reports, certificates, manufacturer's instructions, and field reports for materials as required by this document as well as the referenced specifications and the Contract Documents.

2.4.1 Epoxies

a. Epoxy mortars and epoxy compounds must conform to ASTM C881/C881M,Type V; Class A; Grade 2;.

b. Epoxy mortars used for repairing defects in hardened portland cement concrete must meet the requirements of ACI 503.2-503.4 .

c. Epoxy used for crack repair must meet the requirements of ACI 503.7 .

d.

e. Epoxy used for bonding freshly mixed concrete and hardened concrete must meet the requirements of ASTM C881/C881M, Type V, Grade 2, Class B.

f. Epoxy used for bonding hardened concrete and steel to hardened concrete must meet the requirements of ACI 548.12 .

2.4.2 Latexes

a. Latex used in polymer modified portland cement concrete/mortar must meet the requirements of ASTM C1438.

b. Latex used in polymer modified portland cement concrete overlays must meet the requirements of ACI 548.4 .

c. Latex used for bonding freshly mixed concrete and hardened concrete must meet the requirements of ASTM C1059/C1059M , Type II.

2.4.3 Methacrylates

a. Methyl methacrylate slurry (MMS) used for overlays must meet the requirements of ACI 548.10 .

b. High molecular weight methacrylate (HMWM) must be a 2-component, rapid curing, and solvent-free system.

c. HMWM monomers must be a high molecular weight or substituted methacrylate that conforms the following properties:

d.

Physical Properties of HMWM Monomer

Property Test Method Criteria

SECTION 03 01 00 Page 9

Physical Properties of HMWM Monomer

Vapor Pressure Flash Point Density

ASTM D323

ASTM D93 Less than 0.02 psi at 77 degrees F

Greater than 200 degrees F Greater than 8.4 lbs. per gal. at 77 degrees F

Viscosity Index of Refraction Boiling point @

0.02 psi Shrinkage on cure

ASTM D4016

ASTM D542

ASTM D1078

12 + 4 cps at 73 degrees F

1.470 + 0.002 158 degrees F Less than 11 percent

Glass Transition Temperature (DSC)

ASTM D3418

158 degrees F

Curing Time (100 g mass)

ASTM D3418

Greater than 40 minutes at 73 degrees F, with 4 percent cuemene hydroperoxide

Bond Strength ASTM C882/C882M Greater than 1,500 psi

e. The initiator/promoter system for HMWM must be capable of providing a surface cure time of not less than 40 minutes nor more than 3 hours at the surface temperature of the concrete during application. The initiator/promoter system must be such that the gel time may be adjusted to compensate for changes in temperature that may occur throughout the treatment application.

f. The initiator/promoter system for HMWM must meet the following criteria:

(1)

Initiator Cuemene Hydroperoxide 78 percent

Promoter Cobalt Napthenate 6 percent

2.4.4 Aggregate

a. Unless otherwise specified or recommended by the polymer material manufacturer, aggregate used with polymers must meet ASTM C33/C33M requirements.

b. Aggregate properties and proportions used with polymers must meet the requirements of the polymer material manufacturer, the requirements of the referenced polymer standard, and the Contract Documents.

SECTION 03 01 00 Page 10

c. Aggregate used with polymers must be dry and free of dirt, asphalt, and other organic materials. Aggregate moisture content must be less than 0.2 percent by weight.

d. For patch repairs, the maximum-sized aggregate must not be greater than one third the depth of the patch area.

2.5 MISCELLANEOUS MATERIALS AND EQUIPMENT

2.5.1 Packaged and proprietary materials

The required properties for the materials listed in this paragraph must meet the properties specified in the Contract Documents. Submit Product data, design data, test reports, certificates, manufacturer's instructions, and field reports as required by the Contracting Officer and the Contract Documents.

a. Packaged, rapid hardening concrete repair materials must conform to

ASTM C928/C928M.

b. Packaged, mortar and concrete must conform ASTM C387/C387M.

c. Rapid hardening cement must conform to ASTM C1600/C1600M .

Water used with packaged and proprietary materials must meet ASTM C1602/C1602M requirements. Aggregates must meet the repair material manufacturer's requirements if available and ASTM C33/C33M if such requirements are not specified.

2.5.2 Concrete Accessories

All concrete accessories not included in this document must meet the requirements specified in Section 03 30 00 CAST-IN-PLACE CONCRETE .

2.5.3 Miscellaneous Equipment

a. Equipment designed specifically for the application of repair materials must be used as required by the repair material manufacturer and the referenced specification.

b. Equipment not listed in this specification but referenced or used for repairs must be clean and in good operating condition.

c. All supplies and equipment must be available in sufficient quantities to allow continuity in the installation project and quality assurance.

2.6 MIXTURE PROPORTIONING

a. Portland cement-based concrete mixtures must be in accordance with the requirements of Section 03 30 00 CAST-IN-PLACE CONCRETE .

b. Polymer concrete/mortar/resin/monomer proportioning, handling, and mixing procedures as well as equipment used for mixing these materials must conform to the requirements of the referenced material specifications and the repair material manufacturer's directions.

c. Polymer-modified portland cement concrete proportioning, handling, and mixing procedures as well as equipment used for mixing these materials

SECTION 03 01 00 Page 11 must conform to the requirements provided by the repair material manufacturer as well as ACI 548.4 when such materials are used for overlays.

d. Proportioning and mixing materials not specified above must follow the requirements provided by the repair material manufacturer.

PART 3 EXECUTION

3.1 GENERAL REQUIREMENTS

3.1.1 Examination

Locate area of unsound concrete or delamination using hammer sounding or chain drag sound methods in accordance to ASTM D4580/D4580M . Denote and mark perimeter boundaries and notify the Contracting Officer to approve the unsound concrete layout boundaries.

3.1.2 Protection

Protect pedestrians, motorized traffic, mechanical, electrical, and plumbing equipment, surrounding construction, project site, landscaping, and surrounding buildings from damage or injury resulting from concrete rehabilitation work.

a. Construct dust and debris barriers surrounding repair work perimeter to control dust and to protect and control construction traffic.

b. Dispose of runoff from wet demolition or surface preparation operations in accordance with all local ordinances. Disposal methods must avoid soil erosion, avoid undermining pavements and foundations, damage to landscaping and vegetation, and minimize water penetration through other parts of buildings.

c. Collect and neutralize alkaline wastes and acid wastes and dispose in accordance with local, state, and federal regulations.

d. Comply with local noise ordinances during demolition operations.

e. Perform demolition work and surface preparation work in a manner that minimizes disturbances of operations. Coordinate work with the Contracting Officer.

f. Submit a proposed protection plan for approval by owner representative and Licensed Design Professional.

3.1.3 Formwork and Shoring

Execution of formwork and shoring must meet the requirements specified in Section 03 30 00 CAST-IN-PLACE CONCRETE.

3.1.3.1 Formwork

a. Construct forms to sizes, shapes, lines, and dimensions to match existing adjacent surfaces and textures. Provide forms that match openings, offsets, chamfers, anchorages, inserts and other features as described on Contract Documents. Construct forms to accommodate installation of products by other trades. Provide forms for easy removal to minimize damage to concrete surfaces and adjacent surfaces.

SECTION 03 01 00 Page 12

Apply form release coating over formwork surfaces prior to each concrete placement. Form release agents must not be applied to or come in contact with the repair area concrete substrate or reinforcement.

b. Do not damage repair material during removal of formwork for columns, walls, sides of beams, and other parts not supporting weight of concrete or repair material. Perform needed repair and treatment required on vertical surfaces at once and follow immediately with specified curing. Remove all formwork anchors embedded in existing concrete. Fill anchor holes and repair all damage to existing concrete at anchor holes.

3.1.3.2 Shoring

a. Provide shoring in accordance with the shoring drawings prior to performing work to brace the substrate structure temporarily while repair work is proceeding. Shoring must be designed, documented, and stamped by a Licensed Design Professional. Shoring designs must be submitted to and approved by the Contracting Officer prior to work commencing.

b. Leave formwork and shoring in place to support existing loads, construction loads and weight of repair material in beams, slabs, and other structural members until in-place strength of repair material determined in accordance with the Contract Documents. For post-tensioned construction, leave formwork and shoring in place until stressing is complete. When shores and other supports are arranged to allow removal of form-facing material without allowing structural slab or member to deflect, form-facing material and its horizontal supporting members may be removed at an earlier age.

3.1.4 Concrete preparation

a. Remove concrete as needed per the removal requirements of this section. Limits on removal equipment are specified in the paragraph titled EQUIPMENT FOR CONCRETE PREPARATION.

b. Remove foreign material, such as dirt, oil, grease, or other chemicals, from the cracks before injection using compressed air, low-pressure water, or vacuuming. Allow wet surfaces to dry at least 24 hours.

c. Immediately before placing the repair material or installing formwork, make the repair area available for inspection by the Contracting Officer. Obtain acceptance by the Contracting Officer of surface preparation before proceeding with Work. If the Work is rejected, perform additional operations to the satisfaction of Contracting Officer.

d. The prepared surface must have a concrete surface profile equivalent to CSP 6 as defined by ICRI 310.2R .

3.1.5 Quality Control

3.1.5.1 Quality control of surface preparation

Evaluation of prepared substrate must be continuously monitored to assure that the prepared substrate surface meets project requirements.

SECTION 03 01 00 Page 13

3.1.5.2 Quality control of repair overlays

All components of overlay PPCC materials must be certified by the material manufacturer or aggregate supplier to meet all project testing requirements. During the PPCC overlay, take mixed samples and check that the materials are mixed properly. Confirm that the right PC overlay thickness was applied by recording the volume of PC overlay materials and the substrate surface area covered by the overlay.

3.1.6 Curing

a. For portland cement concrete Work, follow the requirements indicated in 03 30 00 CAST-IN-PLACE CONCRETE.

b. For polymer concrete/mortar Work, follow manufacturer's requirements for curing

c. For polymer modified portland cement concrete Work follow manufacturer's requirements for curing.

3.1.7 Clean up

a. Clean and remove all spills and leaks of injection adhesive and stains caused by the injection adhesives.

3.1.8 Safety

a. Provide Material Safety Data Sheets (MSDS) for products on site reviewing them before work begins.

b. Provide safety guards, maintenance, and warnings for all machinery and equipment.

c. Have personal protection equipment practice in place - eye protection and face guards.

d. Have all workers in contact with wet cementitious material wear protective gloves and clothing.

e. Provide eyewash facilities on-site with location signage.

f. Provide dust masks for workers…