Exhibit_D_-_Existing_Condition_Requirements_(updated).pdf

Alameda County, General Services Agency BID #902791 PWA Flood Office Carpet Replacement

ALAMEDA COUNTY GSA-BMD EXISITING CONDITION REQUIREMENTS

Page 1 of 1 EXHIBIT D

EXHIBIT D

EXISTING CONDITIONS REQUIREMENTS

The following items included as part of this Exhibit:

1. Section 13 10 20 – Lead Hazard Control Specification, Alameda County General Services Agency Project #27008

951 Turner Ct., Hayward

ALAMEDA COUNTY GSA-TSD LEAD HAZARD CONTROL

SPECIFICATION

Page 1 of 32 DOCUMENT 13 10 20

Rev. 6/30/26

DOCUMENT 13 10 20

LEAD HAZARD CONTROL SPECIFICATION

PART 1 - GENERAL

1.1 SUMMARY

1.1.1 Scope of Work: Except as otherwise expressly provided herein, the Lead Hazard Control Contractor will supply all labor, supervision, materials, equipment, tools, services, insurance and each and every item of expense necessary for the control of lead hazards resulting from the disturbance of lead-containing materials. Work impacting lead-containing materials shall comply with all applicable federal, state and local requirements and the requirements of this specification.

A pre-renovation hazardous materials survey was performed by Terracon Consultants, Inc. (Terracon) of Concord, California. Representative samples of suspect lead-containing materials were collected and analyzed for lead content. Ceramic floor and cove base tiles located in the main entry lobby tested positive for lead. The laboratory analytical reports for Terracon’s survey (Eurofins Laboratory Report; dated August 7, 2026) and other historical sampling previously conducted on record with the County and relevant to the project (Asbestos TEM Laboratories, Inc. Laboratory Report; dated November 18, 2016) is presented in Appendix A. Use of Terracon’s survey and other historical sampling reports provided, and the information presented therein, is subject to the limitations set forth in Document 00 31 19 - Existing Conditions Information.

The intent of Lead Hazard Control work described herein is not to abate an existing lead hazard, but rather to control lead hazards that might be generated during the removal or disturbance of materials and equipment that incidentally have lead-containing coatings.

The intent of this specification section is to stipulate engineering control options, work practices, and performance criteria that, if properly implemented, should minimize the likelihood of exposing personnel or the environment (air, soil or groundwater) to lead hazards.

1.1.2 Applicability: Except as may otherwise be provided for, the requirements of the Lead Hazard Control Contractor will apply to the General Contractor and, by extension, to all their subcontractors engaged in “lead-related construction work”, as defined herein, or other work involving the disturbance of lead-containing coatings or materials.

Consequently, all those who engage in lead-related construction, whether individually or working in cooperation with others, may be designated as a Lead Hazard Control Contractor. This broad applicability is in accordance with existing regulations promulgated by the California Division of Occupational Safety and Health (“Cal- OSHA”) and by the California Department of Public Health (CDPH). To the extent allowable by law, the County of Alameda (herein after referred to as the “County”) will be the sole and final arbiter of which contractor(s) or subcontractor(s) qualify on this Project Site as a Lead Hazard Control Contractor (hereinafter referred to as the “Contractor”).

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1.1.3 Lead-Containing Materials: In accordance with all applicable federal, state and local laws and regulations, and the requirements of this Specification, the Contractor will manage all lead-containing materials identified herein and as may be subsequently revealed during the Work.

1.1.4 Project IH Consultant: The County’s Industrial Hygiene Consultant (hereinafter referred to as the “Project IH Consultant”) will provide independent, third-party industrial hygiene consulting services on behalf of the County. Such services may or may not include conducting on-site work observations, materials or environmental testing, and/or consulting with the County. It is not the responsibility of the Project IH Consultant to supervise the Contractor; nor to direct the Contractor’s work effort; nor to assume the management of, or responsibility for, the Contractor’s health and/or safety practices, nor its waste management, nor its regulatory compliance. At all times, the Contractor shall be solely responsible for the quality and execution of all phases and aspects of the Work.

1.2 SUBMITTALS

1.2.1 General:

1.2.1.1 In addition to any other contractual submittals required of the Contractor, the Contractor will provide the submittals described in this Specification section.

Submittals will be reviewed by both the County and the Project IH Consultant for acceptability. The Project IH Consultant will either recommend submittals to the County for acceptance, or will return them to the County as deficient, with notations for correction and re-submission. The Project IH Consultant does not have authority to “approve” submittals.

1.2.1.2 Documents submitted by the Contractor in an effort to comply with the requirements of this Specification section are to be separate and distinct from any other submittals provided to comply with other Specification sections.

In attempting to satisfy the requirements of this Specification section, the Contractor must submit only those documents specifically requested to fulfill the specified requirements. Extraneous documentation will be rejected, but not returned.

1.2.1.3 Except as otherwise noted herein, the submittals required in this Specification section are required only of the Contractor(s) determined by the County to have primary responsibility for disturbing or removing the lead-containing materials identified herein. At the discretion of the County, other contractors or subcontractors may subsequently be required to provide all or part of the submittals required in this section.

1.2.2 Schedule And Format:

1.2.2.1 Delivery: Submittals listed in this section must be delivered to the County.

1.2.2.2 Quantity: One (1) legible copy of each submittal listed in this section shall be delivered in an organized fashion suitable to the County for review. One

(1) copy will be conveyed by the County to the Project IH Consultant for review.

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1.2.2.3 Work Commencement: No portion of the Work shall be commenced by the Contractor until the submittals are reviewed and accepted by the County.

1.2.2.4 Delays: Delays to the Work resulting from the submittal of deficient or illegible documentation, or from the untimely submittal of potentially acceptable documentation, shall be the sole responsibility of the Contractor.

Except as otherwise granted by the County, no extensions will be made to the awarded contract schedule or budget to accommodate such delays.

1.2.2.5 Format: Submittals will be provided in 8-1/2" x 11" electronic portable document format (PDF) with sections separated by numbered tabs indexed to a printed Table of Contents. Illegible submittals will be considered deficient and returned for correction.

1.2.2.6 Schedule: Submittals delivered to the County will observe and conform with the following timetable:

1.2.2.6.1 Pre-work Submittals - Not less than ten (10) business days prior to the Contractor’s mobilization onto the work site, the Contractor will deliver legible copies of the specified documents.

The Project IH Consultant will review submittals and return deficient submittals to the County within five (5) business days following their receipt by the Project IH Consultant. Deficient submittals shall be corrected and resubmitted by the Contractor within five (5) business days of their return. Once accepted, the reviewed copy shall be returned to the Contractor, who shall maintain a copy of the accepted submittal at the work site.

1.2.2.6.2 Product Submittals - Not less than ten (10) business days prior to the date of intended use of the product on the work site.

1.2.2.6.3 Post-work Submittals - Except as otherwise specified herein, the Contractor shall, within twenty (20) business days following demobilization from the project site, submit 2 copies of the Post-work Submittals listed in this section. If the Project IH Consultant or the County determines that the Post-work Submittals are unacceptable, the Contractor will be required to correct the deficiencies and re-submit them for review.

1.2.3 Pre-Work Submittals:

1.2.3.1 Progress Schedule: Provide a proposed work schedule indicating the following items:

1.2.3.1.1 Indicate the sequence of the lead-related work by activity and the sequencing of lead-related work within each building, on each floor, and for each regulated area.

1.2.3.1.2 Show the dates for beginning and completion of each major element (work area set-ups, paint removal/stabilization, detail

Page 4 of 32 DOCUMENT 13 10 20 cleaning, preliminary visual inspections, final visual inspections, tear-down, etc.) of the lead-related work, including substantial completion dates for each building, on each floor, and for each regulated work area. Update as necessary.

1.2.3.1.3 Provide anticipated manpower distribution per scheduled activity and regulated work area. Distinguish between trained full-time personnel and unskilled or temporary labor. Indicate whether or not any subcontracted labor will be utilized.

1.2.3.1.4 Provide anticipated number of shifts per day and days per week, as well as specific hours for each shift. Indicate any anticipated overtime, weekend work shifts, night shifts or holiday work shifts planned. Unless otherwise directed, work is to be conducted during routine business hours (M-F, 7:00 a.m. to 5 p.m.).

1.2.3.1.5 At a minimum, the Contractor’s Progress Schedule is to be formulated on a three-week, “look ahead” basis and updated weekly.

1.2.3.1.6 All requests for deviations from, or changes to, the initially established daily work shift hours and/or the weekly work days shall be submitted in writing to the County and the Project IH Consultant for approval not less than 3 business days prior to the anticipated implementation of said changes. This requirement will also apply to remobilizations following periods of inactivity by the Contractor. The Contractor shall not implement any work schedule changes without the prior expressed approval of the County. The Contractor shall be responsible for its Subcontractors’ compliance with these requirements.

1.2.3.2 Materials and equipment: Provide manufacturers’ catalog data for all materials and equipment to be used in the work. Data should be provided for, but not necessarily be limited to, the following equipment/materials:

1.2.3.2.1 High Efficiency Particulate Air (HEPA) filtered vacuum equipment

1.2.3.2.2 Air monitoring equipment

1.2.3.2.3 Respirators

1.2.3.2.4 Personal protective clothing and equipment

1.2.3.2.5 Duct tape and sheet plastic

1.2.3.2.6 Disposal containers

1.2.3.2.7 SDS sheets for all chemicals proposed for use on the job site

1.2.3.2.8 Rotameter and calibration curve

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1.2.3.3 The Contractor will submit a project-specific lead compliance program to address the strategies for protecting workers from exposure to lead. The program will include all items required by 8 CCR §1532.1(e)(2) including the following:

1.2.3.3.1 Methods for demarcation and regulation of lead Work Areas

1.2.3.3.2 Plans for establishing support & decontamination areas

1.2.3.3.3 Air sampling plan

1.2.3.3.4 Medical surveillance plan

1.2.3.3.5 Engineering controls to be used

1.2.3.3.6 Personal protective equipment to be used

1.2.3.3.7 Decontamination procedures to be used

1.2.3.3.8 Methods of lead dust control to be used

1.2.3.3.9 Employee training requirements

1.2.3.3.10 Monitoring/exposure records

1.2.3.4 Notifications/Permits/Licenses:

1.2.3.4.1 Lead Pre-Job Notification: As applicable by the requirements of 8 CCR §1532.1(p), the Contractor will provide documentation of compliance by providing proof of written notification made to the nearest Cal/OSHA District Office.

1.2.3.4.2 Written proof that all required permits, licenses, and registrations have been applied for and/or received. This shall include but not necessarily be limited to, Contractor State Licensing Board (CLSB) Licenses, Contractor’s certification to conduct lead-based paint renovation, repair and paint activities pursuant to 40 CFR 745.90 (i.e. EPA RRP), wastewater discharge permits, all Contractor and Project Superintendent Licenses and Certifications required under the federal, state, and local regulations.

1.2.3.4.3 The Work to be performed, as specified herein, is not intended to be “abatement,” as defined in 17 CCR §35001.

1.2.3.5 Worker Documentation:

1.2.3.5.1 Provide the name and photo identification of each employee to be engaged in lead-related construction work.

1.2.3.5.2 All workers must be trained in accordance with the requirements of Cal-OSHA’s Construction Safety Orders for Lead [8 CCR §1532.1(l)]. This may include the need for CDPH-certified Lead Workers and/or Lead Supervisors. CDPH-certified Lead Worker

Page 6 of 32 DOCUMENT 13 10 20 and/or Lead Supervisor training must be conducted by a CDPH-approved Lead Worker/Lead Supervisor training provider.

Provide current valid documentation from a CDPH-approved training provider indicating the most recent training course and training date that each person listed has attended. Photocopies of recent (within the 12 months preceding the anticipated Notice-to- Proceed date) training certification cards will suffice, as long as both sides of the card are provided and legible. The minimum acceptable training course duration is 40 hours for the Contractor's Supervisor/Competent Person and 24 hours for abatement workers.

The Contractor's Supervisor(s) and worker(s) shall be certified through the CDPH lead accreditation program for lead-related construction. Copies of each employee's certification shall be provided (Note: Course completion forms do NOT constitute current certification per CDPH and are NOT accepted as proof of current certification. Only actual CDPH certificates with current dates are valid to meet CDPH certification requirements).

1.2.3.5.3 Provide the name and photo identification of the Lead Supervisor responsible for this Project. Provide current valid documentation from a CDPH-approved indicating the most recent training course and training date that he/she has attended.

Provide evidence indicating that he/she has a minimum of one year on-the-job experience as a Lead-Related Construction Supervisor.

1.2.3.5.4 Provide current valid documentation indicating the date and type of each worker’s most recent respiratory training and respirator fit testing. Respirator fit testing documentation must contain all information required in 8 CCR §5144 (m)(2). Documentation must be provided certifying that all employees engaged in lead-related work have passed respirator fit testing within the 12 months preceding the anticipated Notice-to-Proceed date.

1.2.3.5.5 The Contractor will submit documentation demonstrating that employees engaged in lead-related construction work have had the appropriate medical examinations within the prescribed time periods immediately preceding project start-up. Each such medical document must be signed by a licensed physician to be acceptable. Documentation must include, but not necessarily be limited to, baseline blood lead level testing performed in accordance with the Cal-OSHA Construction Safety Orders for Lead (8 CCR §1532.1, et. seq.), and the respiratory medical examination requirements in accordance with 8 CCR §1532.1.

Baseline blood lead testing will have been completed not more than 30 days prior to the start of this Work. Illegible or incomplete photocopies, or preliminary results reports will be rejected as deficient.

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1.2.3.5.6 The Contractor will submit a statement from an examining physician, dated within the 12 months preceding the start of this work, for each employee engaged in lead-related construction work stating that the worker is medically fit to wear a respirator, in accordance with 8 CCR §5144. Each such medical determination must be signed by a licensed physician to be acceptable. Illegible or incomplete photocopies, or preliminary examination reports will be rejected as deficient.

1.2.3.5.7 Completed Certificates of Lead Worker's Acknowledgment forms (Attachment A to this Specification section). The Contractor’s employees will not be allowed to engage in lead-related construction work on this Project prior to submitting a completed Certificate of Lead Worker’s Acknowledgment form.

1.2.3.6 Subcontractors: Submit qualifications and 24-hour contact information for each subcontractor to be used. This shall include legible copies of federal, state, and/or local business or operating permits, as well as State and/or EPA identification numbers for the waste transporters and disposal facilities to be used.

1.2.3.7 Work Plan: Submit a detailed work plan of the practices and procedures proposed for use in complying with the requirements of this Specification section. Include in the plan schematic drawings with depictions of the locations and general configurations of all regulated work areas. Mark-ups of current project plans will suffice to satisfy this requirement. The text of the Work Plan should address the sequencing of the Work; the interface of trades involved in the performance of work; work schedule including work shift time, number of employees, date of start and completion including dates of preparation work, lead disturbance work, and anticipated completion/final inspection dates; methods to be used to assure the safety of building occupants and/or visitors to the site; disposal plan including name and location of accepted disposal facility(ies); and a detailed description of the methods to be employed to control worksite contamination. Expand upon the use of proposed engineering controls, methods of containment to control the potential creation of the lead hazards within the Work Area(s), and segregation and packaging of lead waste/debris. This Work Plan is not the same as the Lead Compliance Plan described in paragraph 1.2.3.3 above, although the two plans may be compiled in a single document, if all individually specified elements of the two plans are addressed. The plan must be reviewed and accepted by the County or Project IH Consultant prior to the commencement of work.

1.2.3.8 Contingency Plan: Submit a contingency plan for emergencies including medical, fire, accidents, injuries, power failure, or any event that may require modification of decontamination or Work Area isolation procedures. Include in plan specific procedures for decontamination and/or Work Area isolation.

Note: Nothing in this specification should be interpreted as instructions to

Page 8 of 32 DOCUMENT 13 10 20 impede the rapid and safe exiting from the work area(s), nor to impede the provision of adequate medical attention in the event of an emergency.

Post: In a room immediately adjacent to Personnel Decontamination Unit, prominently display telephone numbers and locations of, and driving instructions to, emergency services including, but not limited to: fire, ambulance, physician, hospital, police, power company, telephone company, and the Contractor’s job-site Superintendent.

1.2.3.9 Field Logs: Submit a sample of Daily Field Logs, Work Area Entry/Exit Logs, etc. to be used during the work.

1.2.3.10 Rental Equipment: If rental equipment is to be used in conjunction with this lead-related construction project, a written notification is to be provided to the rental company informing the company that the rented equipment will be used on a lead-related construction project. A copy of that written notification will be submitted to the Project IH Consultant. The notification must state how the rented equipment is to be used, how it will be decontaminated following its use, and include a space for the acknowledgement of the rental company that it has been advised of the rented equipment’s intended use. The Contractor will obtain written acknowledgment from an authorized representative of the rental company and will return an original signed copy of the acknowledgment to the Project IH Consultant as documentation of compliance with this requirement. In the absence of such rentals, the Contractor will submit a signed declaration on the Contractor’s letterhead and signed by an authorized representative of the Contractor stating that no rented equipment will be used by the Contractor on this project.

1.2.3.11 Safety Data Sheets: Submit current Safety Data Sheets (SDSs) for each potentially hazardous material to be used during the lead-related work.

1.2.3.12 Waste Hauling Qualifications: Submit proof of hazardous waste transporter’s registration and the vehicle operator training. Submittals shall include, but not necessarily be limited to: business name, address (mailing address and physical location), and business telephone number of the company; primary contact name and emergency contact (24-hour) telephone number; documentation of current State and/or EPA authorization to operate;

and insurance coverage.

1.2.3.13 Waste Disposal Facility Qualifications: Submit documentation of the California State and/or EPA-approved waste disposal facility chosen to receive shipments of lead-containing waste generated during this Project.

Such information will include, but not necessarily be limited to: business name, address (mailing address and physical location), and business telephone number of the facility; primary contact name and emergency

Page 9 of 32 DOCUMENT 13 10 20 contact (24-hour) telephone number; documentation of current State and/or EPA authorization to operate; operator’s facility I. D. number; classification and/or types of waste(s) accepted; name, business address and telephone number of insurance provider; documentation of insurance type(s), coverage amounts, and any limitations on liability; and any regulatory agency information pertaining to known citations issued, notices of violations issued, corrective actions ordered, Records of Decisions rendered, or on-going environmental investigations or known liabilities.

1.2.4 Post-Work Submittals:

1.2.4.1 General: In accordance with the requirements of the above Section 1.2.2.6.3

– Post-Work Submittals, submit the following documentation:

1.2.4.1.1 Copies of employee and visitor Work Area Entry/Exit Logs and Daily Field Logs/Reports.

1.2.4.1.2 Waste manifests, certified weight tickets, and landfill receipts.

1.2.4.1.3 Results of Contractor’s personal exposure air monitoring.

1.2.4.1.4 Copies of analytical results from waste characterization.

1.2.4.1.5 Incident reports describing any events such as injuries, accidents, emergencies, or loss of differential air pressure and the actions taken in response.

1.3 QUALITY REQUIREMENTS

1.3.1 Reference Standards:

1.3.1.1 Regulations: The Contractor will comply with the requirements of all applicable federal, state and local government regulations and guidelines governing lead-related construction work and/or the disposal of lead-containing wastes, as well as all other applicable regulations. The following regulations and/or guidelines listed herein are applicable to this Work and are incorporated into this Specification section by reference. This listing is not intended to be comprehensive, nor does it necessarily limit compliance to the following:

CODE OF FEDERAL REGULATIONS (CFR)

29 CFR 1926 Construction Standards 29 CFR 1926.62 Lead in Construction Standard

40 CFR Parts 50.12 Ambient Air Quality Standard for Lead 40 CFR Parts 261, 265, and 268 Hazardous Waste Management 40 CFR Parts 172, 173, 178 ,179 Hazardous Material Transportation 40 CFR Part 745 Lead; Renovation, Repair, and Painting

Program

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40 CFR 745.227 Work practice standards for conducting lead-based paint activities: target housing and child-occupied facilities

CALIFORNIA CODE OF REGULATIONS (CCR)

8 CCR §1532.1 Construction Safety Orders for Lead 8 CCR §1536 Construction Safety Orders – Ventilation

Requirements for Welding, Brazing and Cutting

8 CCR §1537 Construction Safety Orders – Welding, Cutting, and Heating of Coated Metals

8 CCR §5144 Respiratory Protection 17 CCR Div. 1, Chapter 8 Accreditation, Certification, and Work

Practices for Lead-Based Paint and Lead Hazards (revised 4/30/08)

22 CCR Division 4.5 Hazardous Waste

BAY AREA AIR QUALITY MANAGEMENT DISTRICT

Regulation 11, Rule 1 Hazardous Pollutants - Lead

1.3.1.2 Guidelines: Applicable industry guidelines pertaining to lead-related construction work include, but are not limited to, the following:

Guidelines for the Evaluation and Control of Lead-Based Paint Hazards in Housing, U.S. Department of Housing and Urban Development (HUD), 2012 Edition (replaces the 1995 edition).

Guide for Containing Surface Preparation Debris Generated During Paint Removal Operations, The Society for Protective Coatings (SSPC), Technology Guide No. 6, May 4, 2015.

1.3.1.3 Applicability. The most current version of each document will apply. Where conflicts among these regulations or standards exist, the more stringent requirement or interpretation will apply.

1.3.2 Definitions: In addition to definitions provided elsewhere in these Specifications, the following definitions will apply:

1.3.2.1 Action Level: Action level means an employee exposure, without regard to the use of respirators, to an airborne concentration of lead of two micrograms per cubic meter of air (2 µg/m3) calculated as an 8-hour time-weighted average (TWA).

1.3.2.2 Air Monitoring: The process of measuring the contaminant concentration of a specific volume of air in a stated period of time.

1.3.2.3 Authorized Visitor: The County or its designated representative, the Project IH Consultant, the Project IH Consultant’s inspector or representative, or any

Page 11 of 32 DOCUMENT 13 10 20 representative of a federal, state, county, city, or local agency having legal or regulatory jurisdiction over the project while acting in an official capacity.

Any person whose name appears upon an approved authorized visitor's list.

1.3.2.4 Clean Room: An uncontaminated area or room which is part of the worker decontamination enclosure with provisions for storage of worker's street clothes and protective equipment.

1.3.2.5 Containment: A system, process, or barrier used to contain lead hazards inside a Work Area such as described in Guidelines for the Evaluation and Control of Lead-Based Paint Hazards in Housing, U.S. Department of Housing and Urban Development, June 1995, Chapter 8, “Containment and Barrier Systems,” Table 8.1, Table 8.2, and Table 8.3, or “Guide for Containing Surface Preparation Debris Generated During Paint Removal Operations,” Society for Protective Coatings, Technology Guide 6, October 1, 2004.

1.3.2.6 Competent Person: One who is capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them, as specified in 8 CCR §1504.

1.3.2.7 County: The County of Alameda and its designated representative(s).

1.3.2.8 Critical Barrier: One or more layers of plastic or other impermeable barrier sealed over an opening into a Work Area or any other similarly placed physical barrier sufficient to prevent airborne lead dust in a Work Area from migrating to an adjacent area.

1.3.2.9 Curtained Doorway: A device to allow ingress and egress from one room to another while permitting minimal air movement between the rooms, typically constructed by placing two overlapping sheets of plastic over an existing or temporarily framed doorway, securing the vertical edge of one sheet along one vertical side of the doorway, and securing the vertical edge of the other sheet along the opposite vertical side of the doorway.

1.3.2.10 Decontamination Enclosure System: A series of connected rooms, with curtained doorways between any two adjacent rooms, for the decontamination of workers and of materials and equipment. A decontamination enclosure system always contains at least one airlock.

1.3.2.11 Differential Air Pressure Equipment: A portable local exhaust fan or “unit” equipped with HEPA filtration and capable of maintaining a constant, negative air pressure differential within the regulated Work Area by providing a low velocity air flow into contaminated areas from adjacent uncontaminated areas and exhausting filtered air outside the Work Area (preferably to the outdoor air).

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1.3.2.12 DOP Testing: The challenge testing of HEPA-filtered equipment, using appropriate aerosols. A 0.3 µm dioctylphthalate aerosol was formerly used in challenging the efficiency of HEPA-filtered equipment. Although dioctylphthalate compounds are now suspected human carcinogens, the phrase “DOP testing” is still current vernacular for the process of challenge testing the efficiency of HEPA-filtered equipment.

1.3.2.13 Enclosure: See “Containment”

1.3.2.14 Equipment Decontamination Enclosure: That portion of a decontamination enclosure system designed for controlled transfer of materials and equipment, typically consisting of a washroom and a holding area.

1.3.2.15 Equipment Room: A contaminated area or room which is part of the worker decontamination enclosure with provisions for storage of contaminated clothing and equipment.

1.3.2.16 Fixed Object: A unit of equipment or furniture in the Work Area which cannot be removed from the Work Area.

1.3.2.17 HEPA Filter: A High-Efficiency Particulate Air (HEPA) filter capable of trapping and retaining 99.97 percent of particles greater than 0.3 micrometers in mass median aerodynamic equivalent diameter.

1.3.2.18 HEPA Vacuum Equipment: Vacuuming equipment with a HEPA filter system.

1.3.2.19 Lead: Lead means metallic lead, all inorganic lead compounds, and organic lead soaps. Excluded from this definition are all other organic lead compounds.

1.3.2.20 Lead-Based Paint (LBP): The concentration of lead in paint or other surface coatings that contain an amount of lead equal to, or in excess of 0.5% lead by weight when analyzed by AAS or ICP-AES or 1.0 milligrams of lead per square centimeter (mg/cm2) as determined by XRF testing or as identified by specification. Also referred to as lead paint.

1.3.2.21 Lead-Containing Waste: Removed architectural debris, paint chips, vacuum dust, and debris, glazed ceramic tiles and debris, used cleaning articles, HEPA vacuum bags, respirator cartridges, gloves, and disposable coveralls, waste water, plastic sheets and other disposable items which were used during the lead-related construction work and as a result are considered lead contaminated waste or assumed hazardous waste pending further characterization.

1.3.2.22 Lead-Containing Material: The concentration of lead in paint or other surface coating that contains an amount of lead less than 0.5% lead by weight when analyzed by AAS or ICP-AES or 1.0 mg/cm2 as determined by XRF testing or as identified by specification.

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1.3.2.23 Lead-Contaminated Dust: The amount of lead equal to, or in excess of 5 micrograms per square foot (µg/ft2) for interior floor surfaces, 40 µg/ft2 for interior horizontal surfaces and interior window sills, and 100 µg/ft2 for window troughs, exterior floor surfaces and exterior horizontal surfaces.

1.3.2.24 Lead-Contaminated Soil: Bare soil that contains an amount of lead equal to, or in excess of 400 parts per million (ppm) in children’s play areas and 1,000 ppm in all other areas.

1.3.2.25 Lead-Dust Clearance Levels: The amount of lead is less than 5 micrograms per square foot (µg/ft2) for interior floor surfaces, 40 µg/ft2 for interior horizontal surfaces and interior window sills, and 100 µg/ft2 for window troughs, exterior floor surfaces and exterior horizontal surfaces.

1.3.2.26 Lead Hazard: Deteriorated lead-based paint or lead-containing material, lead contaminated dust, lead contaminated soil, disturbing lead-based paint or lead-containing materials or presumed lead-containing materials without containment, or any other nuisance which may result in persistent and quantifiable lead exposure and environmental lead contamination.

1.3.2.27 Lead Hazard Control Contractor: Lead Hazard Control Contractor is defined as the General Contractor, all of their subcontractors, individual workers or more than one worker working in cooperation with others engaged in “lead-related construction work” or other work involving the disturbance of lead-containing coatings or materials.

1.3.2.28 Lead-Related Construction Work: Any construction, alteration, painting, demolition, salvage, renovation, repair, or maintenance of a public building, including preparation or clean-up, that, by using or disturbing lead-containing material or soil, may result in significant exposure of adults or children to lead.

1.3.2.29 Log Book: A notebook or other book containing essential project data and daily project information and a daily project diary. This book will be kept up-to-date and on the project site at all times.

1.3.2.30 Movable Object: A unit of equipment or furniture in the Work Area which can be removed from the Work Area.

1.3.2.31 Negative Initial Determination: A demonstration by the employer, which complies with the criteria in paragraph (d)(5)(A) and (B) of 8 CCR §1532.1, that no employee is exposed to airborne concentrations of lead at or above the action level. The employer will make a written record of such a determination. The record will include at least the information specified in subsection (d)(3)(A) and will also include the date of determination, location within the worksite, and the name and social security number of each employee monitored.

1.3.2.32 NIOSH: National Institute of Occupational Safety and Health.

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1.3.2.33 Permissible Exposure Limit (PEL): The Contractor will assure that no employee is exposed to lead at concentrations greater than ten micrograms per cubic meter of air (10 µg/m3) averaged over an 8-hour period. For work shifts longer than 8 hours, the maximum allowable employee lead exposure in units of micrograms per cubic meter of air will be calculated by the formula: 400 divided by the hours worked in that shift.

1.3.2.34 Plasticize: To cover floors, walls or ceilings with plastic sheeting as herein specified.

1.3.2.35 Presumed Lead-Based Paint: Any paint, material or surface coating affixed to a component in or on a structure, excluding paint or surface coating affixed to a component in or on a residential dwelling unit or child-occupied facility, constructed on or after January 1, 1978.

1.3.2.36 Regulated Area: An area established by an employer to demarcate areas within which lead-related construction work is conducted, and any adjoining area where debris or waste from such work may be accumulated; and a Work Area within which airborne concentrations of lead may exceed, or in which there is a reasonable expectation they may exceed, the permissible exposure limit. Requirements for regulated areas are set forth in 8 CCR §1532.1(i) (6).

1.3.2.37 SDS: Safety Data Sheet.

1.3.2.38 Time Weighted Average (TWA): The TWA is an 8-hour time weighted average of the micrograms (µg) of lead per cubic meter (m3) of air which represents the employee’s 8-hour workday exposure. An 8-hour TWA is calculated in accordance with the formula:

8-hour TWA = (C1T1+C2T2+CnTn) 480 minutes where “C” is the contaminant concentration measured and “T” the measurement time period in units of minutes. If an employee is exposed to lead for more than 8 hours in any work day the employees' allowable exposure, as a time weighted average (TWA) for that day, will be reduced according to the following formula: Allowable employee exposure (in µg/m3)=400 divided by hours worked in the day. When respirators are used to limit employee exposure as required under subsection (c) of 8 CCR §1532.1 and all the requirements of subsections (e)(1) and (f) have been met, employee exposure may be considered to be at the level provided by the protection factor of the respirator for those periods the respirator is worn.

Those periods may be averaged with exposure levels during periods when respirators are not worn to determine the employee's daily TWA exposure.

1.3.2.39 Washroom: A room between the Work Area and the holding area in the equipment decontamination enclosure system. The washroom comprises an airlock.

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1.3.2.40 Work Area: Designated rooms, spaces, or areas of the project in which lead-related construction will be conducted or which may become contaminated as a result of such lead-related construction. A contained Work Area is a Work Area which has been sealed, plasticized, and equipped with a decontamination enclosure system. A non-contained Work Area is an isolated or controlled-access Work Area which has not been plasticized nor equipped with a decontamination enclosure system.

1.3.2.41 Worker Decontamination Enclosure System: That portion of a decontamination enclosure system designed for controlled passage of workers, and other personnel and authorized visitors, typically consisting of a clean room, a shower room, and an equipment room separated by air locks.

PART 2 - PRODUCTS

2.1 MATERIALS

2.1.1 Product Prohibitions: The following products or product constituents are prohibited from use during these lead-related work activities:

2.1.1.1 Any product for which a Safety Data Sheet is available from the manufacturer and has yet to be submitted.

2.1.1.2 Any product for which a less hazardous substitute product is readily available, provided that the substitute product possesses similar performance characteristics.

2.1.1.3 Any product containing any concentration of diethylene glycol dimethyl ether; ethylene glycol monoethyl ether; or ethylene glycol mono methyl ether (skin TLV 5 ppm; CAS 109-86-4). These constituents cause reproductive damage and blood cell damage.

2.1.1.4 Any product containing any concentration of ethylene glycol (1,2 Ethanediol glycol; TLV = 50 ppm). This chemical causes kidney damage if ingested.

2.1.1.5 Any product containing any concentration of formaldehyde, a suspect carcinogen.

2.1.1.6 Any product containing any concentration of methylene chloride, a suspect carcinogen.

2.1.1.7 Any product containing any concentration of n-hexane. This chemical causes peripheral nerve damage (potential ingredient in spray adhesive).

2.1.1.8 Any product containing any concentration of isocyanates. An allergic sensitizer, this group of chemicals typically has no warning properties (potential ingredient in spray foams and some epoxies).

2.1.1.9 Non-fire rated visquene and/or non-fire rated lumber are prohibited from use.

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2.1.1.10 Solvents with a flash point <140o F are prohibited from use.

2.1.2 EQUIPMENT PROHIBITIONS: The following equipment are prohibited from use during these lead-related construction activities:

2.1.2.1 Fasteners: High velocity powder-actuated fasteners are prohibited from use.

2.1.2.2 Torches: Open flame torches are prohibited from use without prior approval of the County. Open flame torches are prohibited from use as a means of removing lead-containing materials, paints or surface coatings on this Project.

2.1.2.3 Compressed Air: Air compressors, leaf blowers or similar forced-air equipment is prohibited from use for cleaning or decontamination purposes during these lead-related work activities.

2.1.2.4 Lamps: Sodium or mercury vapor (metal halide) lamps are prohibited from use.

2.1.2.5 Ladders: Wooden or metal ladders are prohibited from use.

2.1.2.6 Engines: Internal combustion engines shall not be permitted for operation indoors without the expressed written permission of the County in consultation with the Project IH Consultant.

2.1.2.7 Grounded Electrical Equipment: Electrical equipment manufactured with internal grounding or grounded wiring shall not be used if the grounding has been removed, tampered with, or otherwise altered.

2.1.2.8 HEPA-Filtered Vacuum Cleaners Without Certification of Efficiency Challenge Testing: Vacuums without certification of on-site testing for efficiency (“DOP testing”) shall not be allowed for use outside of a negative differential pressure enclosure (“containment”).

2.1.2.9 Power tools, including but not limited to sanders, grinders or needle guns, that are not equipped with HEPA-filtered dust capture systems, are prohibited from use as a means of removing lead-containing materials, paints or surface coatings on this project.

2.1.2.10 Hydro blasting or high pressure washing (“power–washing”) and/or abrasive media blasting without containment and barrier systems is prohibited on this Project.

2.1.3 Material Requirements:

2.1.3.1 Sealants: Sealants used will have a flame spread, smoke and fuel contribution of zero, and will be ASTM and UL rated for 3 hours for standard method fire test for fire stop systems

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2.1.3.2 Visquene Sheeting: Visquene sheeting used will be in compliance with NFPA Standard 701 fire testing, with flame spread < 5 and smoke development rating of < 70 when tested by ASTM E-84. Minimal thickness will be 6 mil.

2.1.3.3 Waste Containers: Waste containers (bags, drums, bins, etc.) must be suitable for loading, temporary storage, transit, and unloading of lead waste without rupture, or otherwise causing exposure to persons or releases to the atmosphere. Use of rigid primary containers (bins, boxes, drums, etc.) is preferred and recommended. Where rigid primary containers are used, they must be lined with a secondary water-proof barrier of poly sheeting or poly bags of minimal thickness of 6 mil. All containers used for disposal of lead-containing waste must be labeled in general accordance with applicable regulations, and in specific with the requirements of 8 CCR §1532.1.

2.1.3.4 Adhesives: Adhesives, whether tape or aerosol liquid, shall be capable of securely bonding plastic to plastic, or plastic to substrate. The bonding strength and resulting seal of the material used must not be compromised by mist or water, encapsulating agent or any other product or process used in the regulated work area.

2.1.3.5 Warning Signs and Labels: Warning signs and labels will be used in compliance with applicable federal, state, and local regulations. Signs must be lettered in the language(s) necessary to communicate the specific hazard warning(s) to workers or visitors reasonably expected to be at the job site.

2.1.4 Equipment Requirements:

2.1.4.1 General: It is the responsibility of the Contractor to utilize tools and equipment that have been thoroughly and adequately decontaminated prior to their delivery to this project site. All equipment brought onto this project work site will be subject to inspection by the County and/or the Project IH Consultant. Visible evidence of suspected equipment contamination will be sufficient to cause the equipment to be rejected from mobilization onto the project work site. All costs resulting from the need to decontaminate any part of the worksite contaminated by the Contractor’s use of inadequately decontaminated equipment will be borne by the Contractor.

2.1.4.2 Differential Air Pressure Equipment: Differential air pressure equipment (also known as “exhaust fan units” or “negative air machines”) shall be equipped with HEPA filtration. All differential air pressure equipment will be in well-maintained condition and will comply with ANSI/AIHA Standard Z9.2 for performance. Differential air pressure equipment will arrive on-site with the intake and exhaust openings sealed. Each unit must be efficiency-challenged (“DOP tested”) on-site, in the presence of the Project IH Consultant and prior to use, so as to ensure a minimum 99.97% filtering efficiency of aerosol particulates of 0.3 microns or greater in size. DOP testing shall be performed by a professional third-party testing firm not otherwise financially affiliated with the Contractor. Each unit used on this

Page 18 of 32 DOCUMENT 13 10 20 project must have a certification label affixed to it attesting to its most recent successful testing. Upon arriving on-site, each unit must be visibly clean and free of apparent or suspected contamination, as judged by the Project IH Consultant. If, in the opinion of the Project IH Consultant, the differential air pressure units are judged to be in need of cleaning, maintenance, or in any other way fail to meet typical industry standards, the unit(s) may not be placed into operation on this project. If secured, negative air machines may be stacked, but no more than two high without the prior approval of the Project IH Consultant, and in no event will negative air machines be allowed to be inverted for the purpose of stacking.

2.1.4.3 HEPA-filtered Vacuum Cleaners: HEPA-filtered vacuum cleaners will be in well-maintained condition and must be visibly clean and free of apparent or suspected contamination, as judged by the Project IH Consultant. Each unit must arrive on-site sealed and empty of any debris. Each unit must be DOP tested on-site, within a negative pressure enclosure, before it can be used outside of a regulated work area. DOP testing will be performed by a professional third-party firm not otherwise financially affiliated with the Contractor. Each unit used on this project must have a certification label affixed to it attesting to its most recent successful testing. If, in the opinion of the Project IH Consultant, the HEPA-filtered vacuum cleaners are judged to be in need of cleaning, maintenance, or in any other way fail to meet typical industry standards, the vacuum cleaners may not be placed into operation on this project. Care will be exercised by the Contractor to prevent commingling of asbestos and lead waste. Separate vacuums will be used for each type of waste clean-up.

2.1.4.4 Lights and Electrical Cords: Electrical lights and equipment utilizing electrical power cords will be in well-maintained condition and will be visibly clean and free of apparent contamination, as judged by the Project IH Consultant. All lighting and electrical equipment must be water resistant.

Work lighting must have protective covers over the light source. Grounded electrical equipment will be used with grounded electrical supply and outlets.

Where such equipment will be used in the near vicinity of water, ground fault circuit interruption (GFCI) protection shall be used in the wiring circuit at the first feasible point closest to the source of power.

2.1.4.5 Decontamination Facilities: At a minimum, hand washing facilities will be provided by the Contractor for all workers who may be occupationally exposed to lead-containing paint or by demolition of lead-containing materials, irrespective of measured airborne lead concentrations. More extensive decontamination facilities may be required by regulation.

2.1.4.6 Water Filtration Equipment: Water will be collected from work processes and decontamination facilities and will be filtered prior to discharge. All lead-contaminated water will be collected and contained for waste characterization. Water will be filtered through a system capable of trapping particles 1 micron and larger in size. Filtered water may be discharged into a sanitary sewer system, only if the Contractor can satisfactorily demonstrate

Page 19 of 32 DOCUMENT 13 10 20 that it is acceptable to the local wastewater treatment facility to do so. The Contractor shall bear the responsibility to investigate discharge requirements and to obtain any necessary discharge permits prior to the start of work. To the extent feasible, water should be reclaimed and used on-site for application in wet method work practices prior to its discharge. Under no circumstances will water be permitted to be discharged prior to its characterization as a potential hazardous waste.

2.1.4.7 Fire Extinguishers: Fire extinguishers, rated not less than 2A or as specified by more stringent regulations, will be required in the regulated work area(s).

The minimum allowable number of fire extinguishers in any individual work area will be one in the regulated work area and one in the clean area.

PART 3 - EXECUTION

3.1 PREPARATION

3.1.1 Examination of Conditions: The Contractor must carefully examine the work site before beginning work and report any previously undisclosed or special conditions to the County. Except as may be otherwise stipulated elsewhere in the Contract Documents, starting the Work shall be interpreted as implied acceptance of conditions as they exist.

3.1.2 Establishment of Existing Site Conditions: The County may elect to collect pre-abatement lead dust wipe samples and / or pre-abatement composite surface soil samples for lead to document existing conditions prior to the start of construction.

3.1.3 Responsibility for Work: By commencing the Work, the Contractor acknowledges and agrees that he has sole and primary responsibility and obligation to the County to make inspections of his own work at all stages of the Work. This includes acknowledging and agreeing that he has sole responsibility to supervise or superintend the performance of the Work, and that said work will be in strict adherence and compliance with all applicable methods, materials, regulations, and required standards whether or not specified herein.

The Contractor is responsible for site security upon starting the project. This responsibility extends 24 hours per day until project completion and final demobilization.

3.1.4 Coordination of Work: The Contractor is responsible to coordinate all scheduling, phasing, and completion of lead-related construction work with the County and all other employers working on the job site during the abatement activities.