Volume#2_MapletonMSBld_AsbDesignPackage_2024.pdf

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P B S U S A . C O M

Mapleton Middle School Building Asbestos Abatement Package Volume #2

Mapleton Middle School Building 10868 E Mapleton Rd Mapleton, Oregon

Prepared for:

Mapleton School District

November, 2024 PBS: Project No: 24010460

Mapleton School District Mapleton Middle School Building – Renovation Project

Asbestos Abatement

These specifications are for the exclusive use of the Client. These specifications are not to be photographed, photocopied, or similarly reproduced in total or in part without the expressed written consent of the Client.

December 2024

Prepared By:

PBS Engineering and Environmental LLC.

3500 Chad Drive, Suite 100

Eugene, Oregon 97408 PBS Project No.: 24010460

Project Designer:

Aaron LeFore EPA Accredited Project Designer Accreditation Number: PD-24-7318B

Signature Date

TABLE OF CONTENTS Mapleton Middle School Building Asbestos Abatement

December 2024

Project No.: 24010460

PROJECT SPECIFICATIONS

DIVISION 1, GENERAL REQUIREMENTS

Section 01 11 00 Summary of Work .................................................................................................................................. 1-5 Section 01 15 00 Temporary Facilities ............................................................................................................................... 1-3 Section 01 41 00 Air Monitoring Requirements ........................................................................................................... 1-2

DIVISION 2, SITE WORK

Section 02 82 13 Asbestos Abatement .......................................................................................................................... 1-27

DRAWINGS

HA1 Hazardous Building Materials Abatement Plan

DIVISION 01, GENERAL REQUIREMENTS Mapleton Middle School Building Section 01 11 00 –Summary of Work Asbestos Abatement

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SECTION 01 11 00 - SUMMARY OF WORK

PART 1 - GENERAL

1.01 SCOPE OF WORK

A. The work under this contract consists of hazardous building materials abatement, demolition of unregulated building materials, and related procedures identified by the Owner. Provide all material, labor and equipment necessary to accomplish the work.

B. The Contract Sum shall not be affected by changes due to increases in equipment, transportation, labor or material costs, disposal costs and fees, or other similar events.

1.02 RELATED WORK BY THE OWNER OR BY OTHERS

A. The Owner may undertake other work under a separate contract. Coordinate all abatement, demolition, and related work with the Owner’s Representative, including schedule and phasing.

B. The Owner may retain a third-party consultant to perform the following:

1. Take and analyze air samples before, during and after the work.

2. Observe the work of the Contractor.

3. Monitor the Contractor's compliance with the Specification requirements.

1.03 BASE BID

A. The scope of work included under the Base Bid shall include removal and disposal of asbestos-containing materials, selective demolition, and related work as indicated within this section. The scope of work under the Base Bid is identified as follows.

Refer to the attached abatement diagrams for additional information. All quantities are approximate.

1. Demolition of Unregulated Building Materials – The scope of work includes demolition of unregulated interior building components to access asbestos-containing materials.

2. Floor Tile and Mastic Abatement: – Remove and dispose of all asbestos-containing floor tile and all associated mastics and underlying felt layers as indicated on drawing HA1. Asbestos-containing flooring materials are concealed under non-asbestos carpeting, and sheet floor covering in some locations and are applied to original wood flooring substrates throughout. Contractor shall obtain written authorization from the Owner prior to the use of chemical mastic remover products.

Material quantities are as follows:

a. Floor tile and mastic concealed under carpet: 2,700 SF

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b. Floor tile and mastic concealed under sheet floor covering: 1,250 SF

c. Floor tile and mastic exposed: 6,340 SF

3. Pipe Insulation Debris Abatement: - Remove and dispose of all pipe insulation, attic insulation, and cellulose ceiling material debris settled on lay-in ceiling tiles and within attic interstitial spaces in areas indicated on abatement drawing HA1. Seal all associated breaches in upper, concealed ceilings. Material quantities are as follows:

a. Pipe insulation, attic insulation, and cellulose ceiling material debris settled on lay-in ceiling tiles: 100 SF.

b. Pipe insulation debris and associated attic insulation settled within attic interstitial space: 50 SF.

B. Contractor shall remove and dispose of all building finishes, casework, mechanical equipment, loose furnishings, and other obstructions as necessary to access concealed materials included in the Base Bid scope of work.

C. Contractor shall coordinate with the Owner to arrange for safely de-energizing all electrical fixtures prior to impact or removal.

D. Contractor shall cover all door, window, and other openings resulting from completion of the Base Bid scope of work with minimum 1/2" plywood fastened from the building interior. Temporary barriers must be sufficient to maintain building security and prevent weather infiltration into the building.

E. Weekly progress meetings may be conducted with the Owner throughout the abatement period, at the Owner’s discretion. If such progress meetings are required, the Abatement Contractor’s project site supervisor is required to attend.

F. Contractor is responsible for maintaining work areas in a safe condition throughout abatement.

G. If suspect asbestos-containing materials are identified by the Contractor that are not identified in the abatement scope of work, all testing shall be conducted by the Owner. Contractor shall notify the Owner and the Owner shall provide sampling and analysis at the Owner’s expense. Contractor is not authorized to collect or analyze bulk samples from Owner property.

H. Contractor is responsible for proper disposal of demolition debris generated under this contract off of Owner’s property.

I. Unless otherwise indicated within this scope of work, abatement shall include complete removal of all indicated asbestos-containing materials.

J. The Contractor and all sub-contractors under this contract performing abatement or demolition tasks on painted surfaces shall comply with all applicable lead paint

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Project No.: 24010460 regulations in OAR 437-Division 3, 1926.62 Lead in Construction Standard.

1.04 PROJECT SCHEDULE

A. The Owner shall schedule a pre-abatement construction conference to be held prior to the start of work. Contractor's superintendent and crew foreman must attend.

B. Contractor shall begin work on submittals and LRAPA notification no later than five

(5) calendar days after written Notification to Proceed is received from the Owner.

C. Refer to the Owner’s construction schedule for project benchmark and phasing requirements.

1.05 PERMITS AND FEES

A. After execution of the contract, the Contractor shall obtain and pay for all permits, fees, and licenses necessary to execute and complete the scope of work. Obtain permits and notify the following agencies at least ten (10) days prior to beginning work. Other permits and notifications may also be necessary.

Lane Regional Air Protection Agency (LRAPA) 1010 Main Street Springfield, Oregon 97477 541.736.1056

B. Contractor shall maintain the notification to comply with the regulations set forth by LRAPA throughout the construction period. Amended permits shall be submitted to LRAPA to indicate the following changes to the initial permit.

1. Project category and required fee. Contractor shall pay all fees associated with notifications amendments to comply with changes in scope, etc.

2. Daily hours onsite (clearance air monitoring is included).

3. Start and stop dates.

4. Work practices and removal procedures.

5. Disposal procedures.

6. Disposal site.

C. Contractor shall immediately submit copies of amended LRAPA notifications to the Owner. Failure to submit amended notifications may result in project stoppage until required amendments are submitted.

1.06 PATENTS

A. Certain products or procedures may have a patent or require a licensing agreement.

The Contractor should utilize all products and procedures under proper authority of the licensing agreements and patent rights. The Owner shall not be responsible for any licensing or patent infringements.

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1.07 SPECIFICATIONS ON SITE

A. Contractor shall maintain a minimum of two copies of the complete specifications on site at all times. Both copies shall be available to the Owner and authorized visitors.

1.08 PROJECT STOPPAGE

A. At any time during the work, the Owner or Environmental Consultant may stop the work if violations of the Specifications are observed or if the functioning of the Owner is jeopardized by the activities of the Contractor or his subcontractors. Work shall stop immediately upon verbal direction of Owner or Environmental Consultant.

Work may commence when violations are rectified, or activities are altered and determined to be acceptable by the Owner or Environmental Consultant.

1.09 VARIATIONS IN QUANTITIES

A. The quantities and location of ACM indicated in the summary of work, and the extent of work included in this section are only best estimates that are limited by the physical constraints imposed by occupancy of the building. Accordingly, minor variations of plus or minus ten (10) percent of the estimated quantities of ACM within the limits of the base bid scope of work are considered as having no impact on contract price and time of this contract. Locations of ACM different than indicated here, but within the limits of a containment are considered as having no impact on contract price and time of this contract. Where additional asbestos abatement work is required beyond the above variations, the contract price and time will be adjusted under provisions of applicable clause in the contract.

Additional or reduced abatement work beyond the variations stated will be a basis for adjustment of the contract price.

1.10 MISCELLANEOUS REQUIREMENTS AND OTHER INFORMATION

A. All quantities given are estimates. Contractors are responsible for verifying site conditions during the bid period.

B. The Contractor shall provide adequate lighting for the duration of the project.

C. Non-friable asbestos abatement work is to be completed from within a regulated area, demarcated using asbestos caution tape according to all applicable regulations. Critical barriers shall be installed over penetrations within the work area, and local HEPA filtration shall be used. All workers completing non-friable asbestos abatement shall use PPE, including at least a ½ face respirator and Tyvek coveralls.

D. Contractor shall install view windows of at least 24” X 24” to be placed in locations that allow asbestos abatement & demolition work to be observed at all times wherever feasible.

E. All waste must be removed daily from the work area. Generated waste shall not be allowed to accumulate.

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F. Any drop boxes used at the site must be lockable and totally enclosed, with a hard cover.

G. In the event that the Contractor is required to access electrical panels and de-energize components to be removed as a part of the contractual scope of work, the Owner shall be contacted to coordinate this work.

H. Contractor shall use a digital manometer equipped with an automatic printout or downloadable use history for all work specified to be completed under negative pressure. Negative pressure must be -0.02 in/wc or greater throughout abatement work.

I. Air filtration units must be exhausted outside the building for the duration of this project. Contractor shall maintain new HEPA filters and pre-filters for each air filtration unit employed on this project. Contractor shall immediately change air filtration unit filters upon the request of the Owner. Contractor shall secure doors or accessible windows using plywood of a minimum thickness of ½”.

J. Contractor shall clean all surfaces within the work area following the completion of asbestos abatement and demolition. The work areas and adjacent building areas must be free of all dirt dust and debris caused by work under this contract following the completion of this project and will be inspected by the Owner.

K. Contractor shall provide temporary toilet facilities for their employees for the duration of this project.

L. Contractor shall coordinate with Owner regarding placement of dumpsters, materials staging, temporary toilet facilities, and similar items.

PART 2 - PRODUCTS

Not applicable.

PART 3 - EXECUTION

Not applicable.

END OF SECTION 01 11 00

Section 01 15 00 – Temporary Facilities Asbestos Abatement

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SECTION 01 15 00 - TEMPORARY FACILITIES

PART 1 GENERAL

1.01 SCOPE

A. Contractor shall arrange for and provide temporary facilities and utilities such as water, electricity, gas, etc., as specified herein and as required for proper and expeditious prosecution of work. Contractor shall inspect the Owner's facilities to determine that the capacity and operation of services provided by the Owner are adequate for the execution of the work.

B. Contractor shall arrange with utility company, rental company, etc. to provide any additional temporary service required, and pay all costs for such power, lighting, water, sanitation facility or any other service used, if temporary service from existing sources is insufficient to meet needs of temporary facilities.

C. Contractor shall make temporary connections to utilities and services in locations acceptable to Owner and local authorities having jurisdiction thereof; furnish necessary labor and materials, and make installations in manner subject to acceptance of such authorities; maintain such connections; remove temporary installation and connections when no longer required; restore services and sources of supply to proper operating condition upon completion of the project.

PART 2 - PRODUCTS

2.01 MATERIAL

A. Material may be new or used, but must be adequate in capacity for the required usage, must not create unsafe conditions, and must not violate requirements of applicable codes and standards.

2.02 TEMPORARY ELECTRICAL POWER AND LIGHTING

A. Temporary Electrical Service: The Owner will provide one power supply source in a single location within the building, without charge for use by the contractor. The Contractor shall provide connections and all means of conveying same to required locations and shall pay for any damage to existing systems resulting from misuse thereof. Electrical safety measures, including ground fault protection, waterproof temporary lighting, cords and spider boxes shall be included as part of the work under this contract.

B. Contractor shall maintain temporary wiring in safe manner and utilize it so as not to constitute a hazard to persons or property.

C. Temporary Lighting: Contractor shall provide temporary lighting in all work areas.

Lighting shall be durable, grounded, and provide safe illumination levels throughout

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2.03 TEMPORARY WATER SERVICE

A. Contractor shall provide water for construction purposes and pay costs of water used.

Contractor may make temporary connections to existing facilities; if available.

B. Contractor shall provide hot water adequate to supply each crew with sufficient warm water to allow a thorough shower during worker decontamination.

2.04 TEMPORARY SANITARY FACILITIES

A. Contractor shall provide and pay for temporary sanitary services for this project.

Contractor assumes full responsibility for damage and cleanliness. Temporary toilet facilities shall be in place prior to start of construction.

2.05 ACCESS TO SITE

A. Contractor shall instruct all vendors, Subcontractors, and employees to enter abatement site from location as indicated by Owner. Use of other entrances shall not be permitted.

B. Contractor shall ensure only authorized personnel are allowed access into the building.

2.06 SECURITY

A. Contractor shall ensure gate is locked during all non-working hours.

B. Contractor shall take adequate precautions against fire, keep flammable material at the absolute minimum and ensure that such material is properly handled and stored.

Open flames, fires or gas-fired space heaters are not permitted.

2.07 NOISE AND VIBRATION CONTROL

A. It is essential that the work be performed in a manner to produce the least interference with adjacent buildings, businesses and properties. Contractor shall use methods and equipment that will keep noise and vibration to a minimum.

B. At such times as the Owner determines that the work interferes with normal public functions, the Owner shall have the right to request the Contractor to stop the noisy or other work. The Contractor may resume this noisy work at a mutually agreed-upon time or switch to a less noisy method. If the work is stopped, it shall not be used as a claim for additional compensation or contract time.

C. Contractor shall cooperate with the Owner by informing them in advance of particularly noisy operations, operations causing excessive building vibrations, or other potentially objectionable activities, so that the Owner may warn the staff and schedule work functions accordingly.

PART 3 - EXECUTION

Not applicable.

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END OF SECTION 01 15 00

Section 01 41 00 –Air Monitoring Requirements Asbestos Abatement

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SECTION 01 41 00 - AIR MONITORING REQUIREMENTS

PART 1 - GENERAL

1.01 AIR MONITORING BY CONTRACTOR

A. The Contractor will be responsible for all OR-OSHA compliance monitoring and documentation.

1.02 AIR MONITORING BY OWNER

A. The Owner may retain the services of a third-party consultant to collect and analyze asbestos air samples during the project. Documentation of sample results will be forwarded to the Contractor as appropriate to meet regulatory requirements.

B. Samples analyzed by Phase Contrast Microscopy will use NIOSH Analytical Method No. 7400. Samples analyzed by Transmission Electron Microscopy will use the AHERA methodology, 40 CFR Part 763 or NIOSH Analytical Method No. 7402. The Z-test will not be utilized.

C. Owner's Air Sampling During Abatement:

1. Air Sampling Table is to be used as a guide. The Owner's third-party consultant may suggest modifications to the criteria. Modifications to the Maximum Allowable Fiber Count shall be made in writing by the Owner.

Type of Sample

Average Samples per 8-hour Work

Shift

Sample Volume--L

(Liters)

Approximate Flow Rate

Maximum Allowable

Fiber Count (f/cc)

HEPA Fan Exhaust

0 or selected units

400- 2000 L

2 to

10 LPM

0.01 f/cc

Outside of Work Area 0-5

400- 2000 L

2 to

10 LPM

0.01 s/cc or <pre-abatement

Clearance PCM 1-5/work area

1,200- 3000 L

2 to

10 LPM

0.01 f/cc

Clearance

TEM

1-5/work area 1200- 1800 L

2 to

10 LPM

<70 s/mm2 average

2. The Owner reserves the right to monitor Contractor's performance via air samples on abatement workers and in the work area in addition to the

Section 01 41 00 –Air Monitoring Requirements Asbestos Abatement

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Contractor's air monitoring.

3. Visual inspection and clearance air monitoring services will be provided by the Owner per work area during regular business hours (7:00 AM – 5:00 PM), or during the contractor work-shift hours. These services shall be conducted off-hours/shift if necessary to accommodate the Owner or in difficult to clear containments that are not the fault of the Contractor, at the Owner’s discretion. Contractor may request clearances to be conducted off-hours/shift, and shall be responsible for payment of all overtime fees to the Owner in the form of a credit for all work associated with off-hours/shift work that is conducted at the Contractor’s request.

4. Contractor shall provide the Owner with twenty-four (24)-hours notice prior to Visual Inspection and Clearance Air Monitoring.

5. Contractor shall provide a certified supervisor to remain onsite at all times while personnel are inside containment.

6. Contractor shall provide for clean make-up air where necessary to pass air clearances.

1.03 QUALITY ASSURANCE

A. If, at any time during the work, analysis of an air sample taken by the Owner’s third-party consultant indicates a fiber count in excess of the allowable maximums specified, the Industrial Hygienist who analyzed the air sample shall immediately notify:

1. The Contractor's Supervisor

2. The Owner’s Project Manager

3. The Owner’s Consultant

B. Immediately upon being notified of fiber count exceeding the specified maximum allowable levels, the Contractor shall perform the following steps in the order presented, at no additional cost to Owner:

1. Stop abatement work

2. Discuss the fiber count, potential cause, and other concerns with the Owner.

The Owner will determine the actions to be taken by the Contractor at no cost to the Owner.

3. Modify work procedures, and make other changes determined to be the possible cause of high fiber counts.

4. Carefully resume work under close air monitoring.

C. Contractor has the right to run air samples in addition to the Owner's air monitoring at no additional cost to the Owner.

END OF SECTION 01 41 00

DIVISION 02, SITE WORK Mapleton Middle School Building Section 02 82 13 – Asbestos Abatement Asbestos Abatement

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SECTION 02 82 13 – ASBESTOS ABATEMENT

GENERAL

SCOPE

This section covers the removal of materials that contain, or are presumed to contain, greater than one percent asbestos.

The contractor shall provide all labor, materials, equipment, services, permits, and insurance required to complete asbestos abatement procedures as indicated in these Specifications and/or the drawings.

Refer to Summary of Work Section 01 11 00 for a complete listing of asbestos-containing materials (ACM) to be abated. Abatement includes selective demolition, asbestos-containing materials, exploratory inspections, protect and save items, and disposal of asbestos and non-asbestos materials as shown and/or described in the general notes, abatement notes, or key notes on the hazardous materials abatement drawings.

The quantities and locations of ACM indicated in the Summary of Work and on the hazardous materials abatement drawings are only best estimates. Accordingly, minor variations of plus or minus 10 percent of the estimated quantities of ACM within the limits of containment for each abatement stage are considered as having no impact on contract price and schedule of this contract. Locations of ACM different than indicated on drawings, but within the limits of the subject building, are considered as having no impact on contract price and schedule of this contract.

DEFINITIONS

Abatement: Procedures to control fiber release from asbestos-containing building materials, which include encapsulation, enclosure, removal, repair, and related activities.

Aggressive Sampling: Air sampling method that assures that asbestos fibers remain airborne during sampling. All surfaces inside the work area will be agitated by the liberal use of compressed air, leaf blowers, or similar. Fans will then be run throughout the sampling period to keep all suspended fibers airborne.

AHERA: Asbestos Hazard Emergency Response Act, 40 CFR Part 763.

Air Lock: A system for permitting ingress or egress without permitting air movement between a contaminated area and an uncontaminated area, typically consisting of two curtained doorways at least three feet apart.

Air Monitoring: The process of measuring the asbestos fiber content of a specific volume of air in a stated period of time.

Amended Water: Water containing a surfactant additive.

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Asbestos-containing Material (ACM): Any material containing more than one percent asbestos as defined under NESHAPS CFR 40, Part 61, OAR Chapter 340, Division 248, 926.1101, OSHA 29 CFR Part 1926.1101, and LRAPA Title 43.

Authorized Visitor: The owner or designated representative, or a representative of any regulatory or other agency having jurisdiction over the project, and having required training, medical, fit test, etc.

Certified Industrial Hygienist (CIH): An industrial hygienist certified in comprehensive practice by the American Board of Industrial Hygiene.

Construction, Manager/General Contractor (CMGC): A construction delivery method in which the construction manager acts as the general contractor with schedule and cost risk. The CMGC provides design phase assistance in evaluating costs, schedule, and implications of systems and materials during design.

Class I Asbestos Work: Activities involving the removal of TSI and surfacing ACM and

PACM.

Class II Asbestos Work: Activities involving the removal of ACM, which is not thermal system insulation or surfacing material. This includes, but is not limited to, the removal of asbestos-containing wallboard, floor tile and sheeting, roofing and siding shingles, and mastics.

Clean Room: An uncontaminated area or room that is part of the worker decontamination enclosure system, with provisions for storing workers' street clothes and clean protective equipment.

Critical Barrier: Solid barrier constructed from minimum of 2- by 4-inch studs, 16-inch o.c.;

0.5-inch plywood or drywall sealed airtight and covered on both sides (where applicable) with two layers of 6-mil plastic.

Curtained Doorway: A device to allow ingress or egress from one room to another while permitting minimal air movement between the rooms, typically constructed by placing three overlapping sheets of plastic over an existing or temporarily-framed doorway, securing each along the top of the doorway in a pleated fashion and securing one vertical side of each sheet on alternating sides of consecutive sheets. Two curtained doorways spaced a minimum of three feet apart to form an air lock.

Disposal: Procedures necessary to transport and deposit the asbestos-contaminated material in an approved waste disposal site in compliance with the Environmental Protection Agency (EPA) and other applicable regulations.

Enclosure: Procedures necessary to completely seal all asbestos-containing material behind airtight, impermeable, permanent barriers, including PVC jackets.

Encapsulant (Sealant): A liquid material that can be applied to asbestos-containing material and that controls the possible release of asbestos fibers from the material either by creating a membrane over the surface (bridging encapsulant), or by penetrating the material and binding its components together (penetrating encapsulant).

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Environmental Consultant: Environmental consultant specializing in asbestos abatement—PBS Engineering and Environmental Inc., 3500 Chad Drive, Suite 100, Eugene, Oregon, 97408, 541.686.8684—or any subcontractor designated by PBS.

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

Fitting: With regard to pipe insulation, a fitting is any elbow, offset, reducer, tee, etc.

Fixed Object: Fixtures that are attached to the building or too heavy or bulky to remove from the work area.

Glovebag: A manufactured device consisting of a transparent plastic bag with inward projecting sleeves, an internal tool pouch, provisions for fastening and sealing at the top and sides, and a receptacle in the bottom to hold asbestos waste. The glovebag is installed to surround the material to be removed and contain all fibers released during the process. Glovebags are used to remove insulation from small sections of pipe and fittings.

HEPA Filter: A high efficiency particulate air (absolute) filter capable of trapping and retaining 99.97 percent of asbestos fibers greater than 0.3 microns in length.

HEPA Vacuum Equipment: High efficiency particulate air (absolute) filtered vacuuming equipment with a filter system capable of collecting and retaining asbestos fibers. Filters of 99.97 percent efficiency for retaining fibers of 0.3 microns in length or larger shall be installed for filtering discharge air.

Independent Testing Laboratory: A laboratory financially independent from and hired by the owner, architect, or contractor that is either AIHA-accredited for asbestos with demonstrated proficiency via the AIHA PAT program, or has analysts proficient in the AIHA AAR program for air sample analysis.

Industrial Hygienist: An employee of the Independent Testing Laboratory who is experienced and trained in asbestos sampling and analysis as specified.

Insulating Cement: Cementitious material applied to pipe reducers, manifolds, etc.

Isolated Work Area: A totally contained area of the facility where abatement activities are performed.

Movable Object: Furnishings not attached to the building structure that can be removed from the work area.

Negative-air Glovebag: A manufactured device consisting of a transparent plastic bag with inward projecting sleeves, an internal tool pouch, provisions for fastening and sealing it at the top and sides, and a receptacle in the bottom to hold asbestos waste. The glovebag is installed to surround the material to be removed and contain all fibers released through the process, with provisions for allowing continuous airflow through the bag while maintaining negative pressure inside.

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Owner Representative: Designated by the Owner, and/or designated employee(s) of the Owner Representative.

PACM: Presumed asbestos-containing materials.

Pressure Differential Fan System: An air-purifying fan system located inside or outside the isolated work area that draws air out of the work area through a HEPA filter, keeping static air pressure in the work area lower than in adjacent areas, and preventing escape of contaminated air from work area to adjacent areas.

Public Area: Any area outside the isolated work area. When work area isolation measures are removed, the work area becomes a public area.

Removal: All operations where ACM and/or PACM are taken out or stripped from structures or substrates, and include demolition activities.

Shower Room: A room between the clean room and the equipment room in the worker decontamination enclosure system that is equipped with soap, shampoo, and hot and cold running water controllable at the faucet, and suitably arranged for complete showering during decontamination. The shower room must be separated from the clean room and equipment room by air locks.

Special Fitting: With regard to pipe insulation, a special fitting is any valve, union, strainer, thermometer, flange, etc.

Surfactant: A chemical wetting agent added to water to improve penetration, thus reducing the quantity of water required for a given operation or area.

Tack Coat: A coat of penetrating encapsulant applied to all surfaces from which asbestos-containing materials have been removed.

Thermal System Insulation (TSI): ACM applied to pipes, fittings, boilers, breeching, tanks, ducts, or other structural components to prevent heat loss or gain.

Vacuum Loader Removal: Wetting and pneumatic conveying of loose material through a vacuum hose to a sealed collection tank specially equipped to prevent escape of fibers.

Wet Cleaning: The process of eliminating asbestos from building surfaces and objects by using cloths, mops, or other cleaning tools that have been dampened with water.

Worker Decontamination Enclosure System: A showering facility for workers, typically consisting of a clean room, a shower room, and an equipment room. Each of these rooms is separated from the others by air locks. The equipment room is separated from the work area by a curtained doorway. The clean room is separated from the public area by a curtained doorway.

Worksite Entry Logbook: A logbook kept in the clean room that must be signed by everyone entering or leaving the work area. All pages of the logbook must be the same as the sample page bound into these Specifications.

DOCUMENTS INCORPORATED BY REFERENCE

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The current issue of each document shall govern. Where conflict among requirements or with these Specifications exists, the most stringent requirements shall apply.

US Environmental Protection Agency National Emissions Standards for Hazardous Air Pollutants (NESHAPS). (Code of Federal Regulations Title 40, Part 61, Subparts A and M.)

US Environmental Protection Agency Office of Toxic Substances Guidance Document, "Guidance for Controlling Friable Asbestos-Containing Materials in Buildings." EPA Report Number 560/5-85-024 ("Purple Book").

US Department of Labor Occupational Safety and Health Administration (OSHA):

Title 29 Code of Federal Regulations Section 1910.1001—General Industry Standard for Asbestos.

Title 29 Code of Federal Regulations Section 1910.134—General Industry Standard for Respiratory Protection.

Title 29 Code of Federal Regulations Section 1910 et al.—Occupational Exposure to Asbestos; Final Rule.

Title 29 Code of Federal Regulations 1926.1101—Construction Standard for Asbestos.

Title 29 Code of Federal Regulations Section 1910.1020—Access to Employee Exposure and Medical Records.

Title 29 Code of Federal Regulations Section 1910.1200—Hazard Communication.

National Institute for Occupational Safety and Health (NIOSH), 42 CFR, Part 84, Respiratory Protective Devices.

American National Standards Institute (ANSI) NY; ANSI Standard Z 88.2-1980 "American National Standards Practice for Respiratory Protection," latest edition.

Oregon Administrative Rules Chapter 340, Division 248, Department of Environmental Quality; Chapter 340, Division 33, Licensing and Certification Requirements.

Oregon Administrative Rules Chapter 437, Divisions 2 and 3.

Lane Regional Air Protection Agency (LRAPA) Title 43

Oregon Revised Statutes (ORS), Chapters 279C, Certified Asbestos Contractors and Prevailing Wage; 656, Workers Compensation; and 701, Construction Contractors and Contracts.

All related electrical work shall be performed in accordance with the National Electrical Code.

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All local ordinances, regulations, or rules pertaining to asbestos, including its storage, transportation, and disposal.

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SUBMITTALS AND NOTICES

Contractors shall submit to the environmental consultant the following information prior to beginning work on the project:

CONTRACTOR'S LICENSE. Submit proof that the asbestos abatement contractor is currently and for the duration of the project licensed in the state of Oregon to perform asbestos abatement, per ORS Chapter 701, and OAR Chapter 340, Division 248.

ASBESTOS SUPERVISOR. Submit the name and resume of the assigned on-site foreman. At minimum, the foreman shall have successfully completed the Department of Environmental Quality (DEQ) asbestos supervisor course as approved by the State of Oregon. Other criteria such as references and similar projects will also be reviewed. At the architect or environmental consultant’s request, the contractor shall arrange an oral interview with the assigned on-site foreman. The owner, architect, and the environmental consultant reserve the right to reject the foreman from the work at any time during the project. The contractor shall then assign another on-site foreman for the owner, architect, and environmental consultant’s approval as described above.

INSURANCE CERTIFICATE. Submit a copy of the certificate of asbestos-specific liability insurance policy.

WORKER CERTIFICATION. Submit written proof indicating that all employees impacting asbestos-containing materials are Oregon state certified asbestos workers.

Proof shall include photocopies of certificates and a signature from the contractor's principal indicating that all employees assigned to this project have completed such a program.

RESPIRATOR PROGRAM. Submit written proof indicating respirator program complies with all parts of OSHA Asbestos Regulations CFR Title 29, Part 1910.134 and 1926.1101, OR-OSHA Chapter 437, 1910.134 and 1926.1101.

MEDICAL PROGRAM. Submit written proof medical exam program complies with OSHA Asbestos Regulations CFR Title 29, Section 1926.1101 and OR-OSHA Chapter 437, 1926.1101.

EMERGENCY PLANS. Submit a written emergency control and cleanup plan to be followed by the contractor in the event of an accidental breach in containment, power failure, and accidental disturbance of ACMs in non-isolated areas.

NOTIFICATION. Submit copy of written notification to LRAPA of the proposed asbestos work not fewer than 10 days before work commences on this project.

Submit upon receipt any approved amendments to notifications or re-notifications for multi-phase activities.

DISPOSAL PLAN. Submit written proof that all required permits and arrangements regarding the transportation and disposal of asbestos-containing or contaminated

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Project No.: 24010460 materials, supplies, etc. have been obtained. The disposal site must be approved by the EPA and/or DEQ and other responsible agencies.

WORK PLAN. Submit a written "work plan" satisfactory to the architect and environmental consultant describing the schedule for asbestos abatement, decontamination procedures, and plans for construction and location of decontamination enclosure systems, pressure differential exhaust fans, etc. in compliance with these Specifications and applicable regulations, including calculations for determining required number of negative-air filtration units. The plan shall schedule the systematic flow of work throughout the facility per Specifications on a day-by-day basis, outlining room-by-room, or area-by-area procedures and planned alternative control measures. The work plan shall include details on how the contractor intends to handle non-friable materials that may be removed outside of negative pressure containments. The contractor shall keep close coordination of his work with the architect and environmental consultant.

AIR MONITORING. Submit information pertaining to the proposed Air Monitoring Program for this project, if appropriate. This information shall include the name(s) of the certified industrial hygienist appointed, the name of the on-site industrial hygiene technician working under his supervision, types of equipment, and sampling schedule, sampling procedures, calibration recordkeeping, and testing laboratory proposed.

PRODUCT INFORMATION. Submit complete product information for any materials and products for which the contractor requests approval for use on this job (other than those specified).

EMERGENCY PHONE NUMBER. Submit a local phone number at which the contractor or on-site foreman can be reached on a 24-hour basis during the course of the work.

Contractor shall not begin work until submittals are reviewed and accepted by architect and the environmental consultant. Allow a ten-day review period.

During the work, the contractor shall submit the following to the architect and environmental consultant, on a periodic basis as agreed to by the architect, environmental consultant, and contractor:

Waste shipment and disposal documentation.

Air monitoring data.

Notification updates.

Contractor shall submit to the architect and environmental consultant, in writing, all information required above regarding any new asbestos workers hired by, or subcontracted to, the contractor before these new asbestos abatement workers begin work.

Prior to removal of decontamination systems and isolation barriers, the contractor shall obtain specific written permission from the environmental consultant.

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Project No.: 24010460

Prior to making final application for payment the contractor shall:

Complete all work under this contract.

Submit to the environmental consultant all required submittals, including all waste shipment records completely filled out and signed.

Submit to the owner all payroll reports for work on this contract and other information as described elsewhere in the Specifications, if appropriate, under the contract.

Submit to the environmental consultant "as-abated" drawings along with a signed affidavit stating that all asbestos-containing materials have been removed as indicated on the drawings.

See other sections of these Specifications, and EPA, OSHA, and other standards referenced therein, for further information and requirements not included above.

BUILDING PROTECTION

Building Security and Protection

The contractor shall post adequate warning signs at all potential entrances to work areas as required by EPA and OSHA.

The contractor shall protect all existing fixed equipment, building finishes that are to remain, and existing systems and functions from damage during the abatement process. Extra precautions are to be taken in protecting existing electrical panels, light fixtures, etc. Any damage to existing building, services, and/or equipment shall be remedied by the contractor at their expense.

Contractor shall clean external surfaces of contaminated containers and equipment thoroughly by wet sponging and HEPA vacuum.

Contractor shall maintain access and use of existing fire lanes.

PERSONAL PROTECTION

Training

Prior to commencement of work, contractor shall ensure all workers have been trained as specified.

The contractor shall provide and post, in the clean room(s) and the equipment room(s), the decontamination, respirator, and work procedures to be followed by the workers.

For demolition of non-asbestos containing walls and ceilings in areas containing friable asbestos materials, the contractor has the option to train qualified demolition workers. Such training shall be the sole responsibility of the contractor and shall consist of a minimum of eight hours, unless applicable regulatory agencies accept a lesser amount of classroom time. Topics shall include the background of asbestos, December 2024

Project No.: 24010460 health effects, personnel protection, use of worker decontamination and other topics.

Training shall be acceptable to OR-OSHA, DEQ, and other applicable agencies.

Personnel Personal Protective Equipment for Asbestos Removal

Work clothes shall consist of disposable full-body coveralls and head and foot covers ("Tyvek" or approved), boots, or sneakers. Eye, hearing, fall protection, and hard hats should be available as appropriate.

At minimum, respiratory protection shall be approved by National Institute for Occupational Safety and Health/Mine Safety and Health Administration (NIOSH/MSHA); US Department of Labor; US Department of Health, Education, and Welfare; Centers for Disease Control; and as listed below. Respiratory protection shall provide workers with a maximum calculated fiber level inside the mask of 0.01 f/cc.

Glovebag or modified glovebag: full-face mask, powered air-purifying respirator with disposable HEPA filter cartridges (magenta/purple color code). Protection factor: 100.

Demolition of walls and ceilings that may impact friable asbestos-containing material: half-face mask, negative-pressure respirator with disposable HEPA filter cartridges (magenta/purple color code). Protection factor: 10.

Pre-abatement work in close proximity to friable asbestos-containing materials:

half-face mask, negative-pressure respirator with disposable HEPA filter cartridges (magenta/purple color code). Protection factor: 10.

Abatement in isolated areas: full-face mask, powered air-purifying respirator with disposable HEPA filter cartridges (magenta/purple color code). Protection factor:

100.

HEPA vacuuming and wet cleaning of surfaces: half-face mask, negative-pressure respirator with disposable HEPA filter cartridges (magenta/purple color code).

Protection factor: 10.

Vinyl asbestos floor tile removal: half-face mask, negative-pressure respirator with disposable HEPA filter cartridges (magenta/purple color code). Protection factor: 10.

Handling of double-bagged asbestos-contaminated waste: half-face mask, negative-pressure respirator with disposable HEPA filter cartridges (magenta/purple color code). Protection factor: 10.

Additional respiratory protection shall be as required by CFR 29 1910.134 and 1926.1101, OR-OSHA Chapter 437, 1910.134 and 1926.1101.

As part of the Contractor's Respiratory Protection Program, all workers shall be provided with a selection of brands and sizes of respirators to choose from. At a minimum, all workers shall be qualitatively fit-tested at the time of respirator

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Project No.: 24010460 selection per OR-OSHA Worker's Compensation Department Rule 22-069 (4)(e)(5)(i), and semiannually thereafter.

Contractor shall supply replacement filter cartridges, as required. Cartridges that have become wet or clogged shall be replaced immediately.

Worker Decontamination Enclosure System

The contractor shall construct a personnel decontamination facility immediately outside of the isolated work area consisting of three chambers and two air locks as follows:

The equipment room shall consist of an air lock to the shower room, and a curtained doorway to the work area.

The shower room shall have two air locks, one to the equipment room and one to the clean room. All showers shall have hot and cold water controllable at the taps and installed in this room. The contractor shall supply and maintain soap, shampoo, and towels at all times in the shower area. Shower wastewater shall be filtered to remove all fibers larger than five microns, or as required by local regulations, before disposal in the municipal sewer system, or shall be collected and disposed of as asbestos-contaminated material. Permits shall be obtained and all water discharge regulations complied with, as required by local municipalities. Water filters shall be disposed of as asbestos-contaminated material.

The clean room shall consist of an air lock to the shower room and a curtained doorway to the adjacent building area. The clean room shall contain a first aid kit, a place to sit down, the Worksite Entry Logbook, and storage for workers' and visitors' clothing and shoes. Work, respirator, and decontamination procedures; regulations; and prevailing wage rates shall be conspicuously posted. There shall be a supply of clean, protective clothing, and respirators and cartridges in the clean room at all times.

A monometer measuring pressure differential within and outside the containment shall be installed and remain operable on any containment from the start of abatement work until work is complete, and satisfactory clearance results are obtained. Air pressure within the containment shall remain at or below -0.02 inches of water (compared to ambient air pressure) throughout.

Contractor shall not begin asbestos abatement work unless this system is functional, in good repair, and has been found acceptable for specification compliance by the environmental consultant.

Personnel Protection Procedures in Isolated Work Areas

Each worker shall, upon entering the jobsite, remove street clothes in the clean change room, put on and fit-test their respirator, put on clean protective clothing, December 2024

Project No.: 24010460 and sign in on the Worksite Entry Logbook before entering the equipment room or the work area.

Workers shall, each time they leave the work area, remove gross contamination from clothing before leaving the work area; proceed to the equipment room and remove and dispose of disposable work clothes; remove and store shoes, boots, and other equipment except respirators; still wearing the respirator, proceed to the showers and clean the outside of the respirator with soap and water while showering; remove the respirator; thoroughly shampoo and wash themselves; remove filters, dispose of filters in the container provided for that purpose, and wash and rinse the inside of the respirator.

Following showering and drying off, each worker shall proceed directly to the clean change room and dress in clean clothes at the end of each day's work or before eating, smoking, or drinking. Before reentering the work area from the clean change room, each worker shall put on his respirator with clean filters, dress in clean protective clothing, and sign in on the Worksite Entry Logbook.

Contaminated work footwear and other equipment shall be stored in the equipment room when not in use in the work area. Upon completion of asbestos abatement, footwear shall be disposed of as contaminated waste or cleaned thoroughly inside and out, using soap and water, before removing from work area.

Workers shall not eat, drink, or chew gum at the worksite except in the established clean room. Smoking or using other tobacco products is prohibited.

Workers shall be fully protected with respirators and protective clothing immediately prior to the first disturbance of asbestos-containing or contaminated material and until final cleanup is completed.

Access to Isolated Work Area by Others

Except for emergency personnel, the contractor shall limit access to the work area to authorized visitors.

The contractor shall provide protective clothing, respirators, and equipment for all authorized visitors, as specified above.

All authorized visitors shall be subject to the personnel protection provisions specified above, and shall sign in and out on the Worksite Entry Logbook.

Personal Protection during Work in Non-Isolated Work Areas:

Work clothes per Section 1.06 B.

Respiratory protection per Section 1.06 B.

Worker protection procedures will differ from Section 1.06 D, in that two layers of coveralls shall be worn after removal of street clothes. Worker decontamination through a Worker decontamination enclosure is required. The first layer of coveralls must be removed when exiting the glovebag work area. The worker shall

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Project No.: 24010460 immediately proceed to the worker decontamination unit. The remaining requirements of Section 1.06 D still apply.

Contractor shall submit to the architect and environmental consultant for approval an emergency control and cleanup plan to be followed in the event of asbestos contamination during glovebag use.