Specifications for Asbestos Abatement

Transcription

1 Specifications for Asbestos Abatement Virginia Department of Health Henry/Martinsville Health Department 295 Commonwealth Boulevard Martinsville, Virginia Prepared for City of Martinsville, Virginia 300 Fishel Street Martinsville, Virginia Prepared by: Diversified Environmental Services, Inc. PO Box 1365 (24402) 1219 B Stoneburner Street Staunton, Virginia Patrick A. DiFlorio, President DES Project # May 2014 DIVERSIFIED ENVIRONMENTAL SERVICES, INC. Patrick A. DiFlorio, Virginia Asbestos Project Designer #

2 ASBESTOS ABATEMENT 1.General 1.1 This section describes detailed requirements and procedures in order to successfully comply with all federal, state, and local laws, regulations, ordinances and rules, as they pertain to the abatement, storage, and disposal of asbestos containing materials within the Commonwealth of Virginia. 2.Contractor Qualification 2.1 Only contractor s who maintain current licensure from the Virginia Department of Professional and Occupational Regulation as a Commonwealth of Virginia Asbestos Abatement Contractor, and can document at least a minimum of three (3) years experience in performing similar projects in size and scope, are to be considered as qualified to perform the work described in this section. 3. Scope of Work- 3.1 The subject property and description is: Virginia Department of Health Henry/Martinsville Health Department 295 Commonwealth Boulevard Martinsville, Virginia The work includes the removal and disposal of non-friable asbestos containing materials. The Contractor shall furnish all labor, materials, equipment, and insurance required for the removal and disposal of asbestos containing materials in accordance with the regulations of the responsible agency, the EPA, and OSHA. 3.2 The work includes, but is not necessarily limited to the following: Removal and disposal of asbestos containing floor tile and mastic, and adjacent cove base moldings from the original portion of the building. Approximately 4000 square feet The contractor is advised to field verify these quantities. DES and the City of Martinsville is not responsible for verifying quantities. The health department must remain open for clients on a daily basis during normal working hours. Monday thru Friday 8:00am 5:00pm. All work must be performed during off hours and on weekends. It is anticipated that the abatement will be performed on weekends and replacement materials will be installed in the evenings after hours. The abatement areas are: CLASS II ABATEMENT (PER OSHA ) 9 x 9 floor tile and associated mastic in the following areas of the Health Department building: Area #1- The small corridor and rooms including the Storage Room, Old Dental Offices, waiting room, Approximately 500 SF

3 Area #2- The Reception Area and the Restroom at the Main Entrance Approximately 1700 SF Area #3- The main Clerical Area, Fiscal Office, Eligibility Office, and the Supplies Room Approximately 1100 SF Area #4- The Administration area corridors, Nurse Supervisor Office, Break Room, Nurse Manager Office Approximately 640 SF The Contractor is responsible for determining all locations and quantities of ACM s. 3.3 All work will be performed in strict accordance with, but not limited to, EPA 40 CFR 61 Subpart A & B - National Emission Standards for Hazardous Air Pollutants (NESHAP), Title 29 Code of Federal Regulations, Section Occupational Safety and Health Administration, US Department of Labor, the Virginia Occupational Safety and Health Standards for Industry, Department of Labor and Industry-Construction. 4. Work Schedule All work should be performed by June 30, Completion of work could be a considering factor in the selection of this firm. Give details as to when you can start this project and complete it. 5. Definitions- Amended water means water to which a surfactant (wetting agent) has been added to increase the ability of the liquid to penetrate ACM. Asbestos includes chrysotile, amosite, crocidolite, tremolite asbestos, anthrophyllite asbestos, actinolite asbestos, and any of these minerals that has been chemically treated and/or altered. Asbestos-containing material (ACM) means any material containing more than one percent (1%) asbestos. Class I asbestos work means the activities involving the removal of TSI and surfacing ACM and PACM. Class II asbestos work means 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 construction mastics. Class III asbestos work means repair and maintenance operations, where ACM, including TSI and surfacing ACM and PACM, is likely to be disturbed. Clean room means an uncontaminated room having facilities for the storage of employees street clothes and uncontaminated material and equipment. Competent person means, in addition to the definition in 29 CFR (F), one who is capable of identifying existing asbestos hazards in the workplace and selecting the appropriate control strategy for asbestos exposure, who has the authority to take prompt corrective measures to eliminate them, as specified in 29 CFR (F): in addition for class I and class II work who is specially trained in a training course which meets the criteria of EPA s Model Accreditation Plan (40 CFR 763) for supervisor, or its equivalent and, for class III and Class IV work, who is trained in a manner consistent with EPA requirements for training of local education agency maintenance and custodial staff as set forth at 40 CFR (a)(2).

4 Critical barrier means one or more layers of plastic sealed over all openings into a work area or any other similarly placed physical barrier sufficient to prevent airborne asbestos in a work area from migrating to an adjacent area. Decontamination area means an enclosed area adjacent and connected to the regulated area and consisting of an equipment room, shower area, and clean room, which is used for the decontamination of workers, materials, and equipment that are contaminated with asbestos. Demolition means the wrecking or taking out of any load-supporting structural member and any related razing, removing, or stripping of asbestos products. Disturbance means activities that disrupt the matrix of ACM or PACM, crumble or pulverize ACM or PACM, or generate visible debris from ACM or PACM. Disturbance includes cutting away small amounts of ACM or PACM, no greater than the amount which can be contained in one standard sized glovebag or waste bag In order to access a building component. In no event shall the amount of ACM or PACM so disturbed exceed that which can be contained in one glovebag of waste bag which shall not exceed 60 inches in length and width. Employee exposure means that exposure to airborne asbestos that would occur if the employee were not using respiratory protective equipment. Equipment room (change room) means a contaminated room located within a decontamination area that is supplied with impermeable bags or containers for the disposal of contaminated protective clothing and equipment. Fiber means a particulate form of asbestos, 5 micrometers or longer, with a length-to-diameter ratio of at least 3 to 1. Glovebag means not more than a 60 x 60 inch impervious plastic bag-like enclosure affixed around an asbestos-containing material, with glove-like appendages through which material and tools may be handled. High-efficiency particulate air (HEPA) filter means a filter capable of trapping and retaining at least percent of all mono-dispersed particles of 0.3 micrometers in diameter. Homogeneous area means an area of surfacing material or thermal system insulation that is uniform in color and texture. Industrial hygienist means a professional qualified by education, training, and experience to anticipate, recognize, evaluate, and develop controls for occupational health hazards. Intact means that the ACM has not crumbled, been pulverized, or otherwise deteriorated so that the asbestos is no longer likely to be bound with its matrix. Negative Initial Exposure Assessment means a demonstration by the employer, that employee exposure during an operation is expected to be consistently below the Permissible Exposure Limit (PEL). PACM means presumed asbestos containing material. Presumed Asbestos Containing Material means thermal system insulation and surfacing material found in buildings constructed no later than The designation of a material as PACM may be rebutted by the building owner or employer by having the material tested pursuant to the requirements of AHERA (40 CFR Part 763), which the results of these test will demonstrate that the material does not contain asbestos. Project Designer means a person who has successfully completed the training requirements for an abatement project designer established by 40 U.S.C. Sec (g). Regulated area means: an are established by the employer to demarcate areas where Class I,II,III asbestos work is conducted, and any adjoining area where debris and waste from such asbestos work

5 accumulate; and a work area within which airborne concentrations of asbestos, exceed or there is a reasonable possibility they may exceed the permissible exposure limit. Removal means all operations where ACM and/or PACM is taken out or stripped from structures or substrates, and includes demolition operations. Surfacing ACM means ACM that is sprayed, troweled-on or otherwise applied to surfaces (such as acoustical plaster on ceilings and fireproofing materials on structural members, or other materials on surfaces for acoustical, fireproofing, and other purposes). Thermal system insulation (TSI/ACM) means ACM applied to pipes, fitting, boilers, breeching, tanks, ducts or other structural components to prevent heat loss or gain. 6. Contractor Submittals- 6.1 The Contractor shall submit to the Owners Representative, the following documentation: 6.2 Contractor license issued by the Virginia Department of Professional and Occupational Regulation (VDPOR). 6.3 Project Supervisor- -Name and current address of project Supervisor. -Current training certificate from an AHERA accredited training facility. -Supervisor license issued by VDPOR. -Current medical clearance issued by a physician certifying that the individual has been cleared to use respiratory protective devices. -Current CPR/First Aid certification -Current fit test documentation per 29 CFR Worker documentation- -Current training certificate from an AHERA accredited training facility. -Asbestos worker licenses issued by VDPOR. -Current medical clearance issued by a physician certifying that the individual has been cleared to use respiratory protective devices. -Current fit test documentation per 29 CFR Copy of Contractor s written Hazard Communication Program (29 CFR ) 6.6 Certification that all employees have been trained per 29 CFR Material Safety Data Sheets 6.8 Copy of Contractor s written Respiratory Protection Program per 29 CFR Site specific respirator selection procedures for Class I and Class II work Copy of Contractor s Safety and Health Program Site specific asbestos abatement plan to include: -Personal protective equipment to be used -The location and description of regulated areas including clean and dirty areas, access tunnels, threestage decontamination unit (clean room, shower room, equipment room, staging areas for load-out of ACM. -Negative Initial Exposure Assessment in accordance with 29 CFR Method of notification of other contractors/employers at the worksite. -Abatement methods to include critical barriers, containment, and other control procedures.

6 -Location of local exhaust equipment (HEPA). -Sequencing of asbestos related work. -Storage and disposal procedures. -Air monitoring procedures (personal, environmental). -Fire and medical emergency response procedures. -Security procedures to be used for all regulated areas. -Lock out / Tag-out procedures for electrical connections Permits and Notifications -Copies of all permits and notifications, if required, shall be obtained by the Contractor and submitted to the owner at least 20 days prior to the commencement of asbestos activities. These will include notification to the Regional Office of the USEPA, the Virginia Department of Labor and Industry / Division of Occupational Safety and Health. -Local building permits issued by the Building Inspector of the locality, for demolition activities, if applicable. -Posting locations for all permits and notifications. -Copies of State and Federal permits for the selected disposal Landfill designating the site as an approved Landfill that accepts asbestos waste Commencement of abatement activities shall not be authorized until the contractor submits all required documentation described in Section Regulated Areas All asbestos work shall be conducted within regulated areas. The regulated areas shall be demarcated to minimize the number of persons within the area and to protect persons outside the area from exposure to airborne asbestos. Access to the regulated area shall be limited to authorized persons. The Contractor shall control access to regulated areas. A log book shall be kept documenting all authorized entry into and out of the regulated area. Personnel authorized to enter the regulated area shall be trained, be cleared by a physician, and don personal protective equipment before entering a regulated area. 7.1 Warning signs and tape Warning signs and barricade tape shall be provided at the boundaries and entrances to the regulated areas. Signs shall be so located as to allow personnel to read and take necessary protective steps required before entering the regulated area. Warning signs shall be conform to 29 CFR 1910 and 29 CFR , displaying the following legend in the lower panel: DANGER ASBESTOS CANCER AND LUNG DISEASE HAZARD AUTHORIZED PERSONNELL ONLY RESPIRATORS AND PROTECTION CLOTHING ARE REQUIRED IN THIS AREA Warning tape shall be red in color, and display an asbestos danger legend. 8. Electrical Requirements 8.1 Provide temporary power sources and equipment per applicable electrical code requirements. All electrical devices shall be protected via ground fault circuit interrupters (GFCI).

7 9. Specific Engineering Controls for Class II asbestos abatement Work 9.1 Negative Pressure Enclosure- Critical Barriers of 6 mil polyethylene film (poly) one layer thick shall be installed on all cracks, voids, fixture devices, mechanical penetrations, etc. Critical barriers shall have double layered polyethylene film on all HVAC devices. A polyethylene splash guard will be installed at a height sufficient to allow for the protection of existing walls and associated remaining base moldings. 9.2 Local exhaust ventilators shall be installed to allow for a minimum of at least Four (4) air changes per hour. Local exhaust units shall be sufficient to maintain a minimum pressure differential of 0.02 inches of water column relative to the adjacent, unsealed areas. Pressure differential shall be continuously monitored 24 hours per day with a manometric recording device. The recording device shall be capable of printing recorded pressure differentials on a paper chart or other media, so as to provide a permanent record. Exhaust flow from the local ventilators shall be vented outside the building. At no time shall the exhaust air be allowed to flow within the building, or be directed through the building ventilation system, unless prior approval has been granted by the owner or the owner s representative. The owner or owner s representative shall be notified immediately if pressure differentials fall below the prescribed minimum. Upon discovery of a pressure differential below the prescribed minimum, all work activities within the containment shall cease until the situation can be corrected. 9.3 Decontamination Unit A Three (3) stage decontamination unit shall be installed directly adjacent, and attached to the negative pressure enclosure. The unit shall have a clean room where workers can don personal protective equipment; a metal shower room capable of supplying both hot and cold potable water equipped with a sanitary drain to allow discharge effluent to collect below the floor level of the shower; and an equipment room to store contaminated equipment and collected containerized ACM. The individual rooms shall be separated by airlocks constructed of opposing polyethylene flaps installed to prevent the migration of airborne asbestos fibers from the negative pressure enclosure through the decontamination unit. 9.4 Where feasible, the contractor shall install a viewing window with an opaque flap on the outside, for work observations by the Industrial Hygienist / Project Monitor. 10. Work Practices for Class II work The ACM shall be thoroughly saturated with amended water. Materials shall be immediately containerized into a woven bag, and then two (2) 6 mil impermeable polyethylene bags, and staged at the equipment room. The bags shall not be overloaded. Woven mesh type bags will not be counted as a layer Each bag of a double-bagged container shall be sealed with duct tape using a goose-neck closure system No gross ACM shall be allowed to remain on the floor between work shifts At the end of the work shift, bags shall pass through the decontamination unit; and then be properly labeled and transported to the disposal container Upon completion of gross removal, fine cleaning procedures shall be implemented using HEPA equipped vacuums and wet wiping techniques Mastic removal procedures must be performed using hand methods. No mastic remover with a flash point lower than 140 F will be allowed at the work site.

8 11. Respiratory Protection 11.1 Respirator selection shall be, at a minimum, in strict accordance with 29 CFR Class II work If submittal data of the negative exposure assessment (NEA) confirms exposure levels during a similar operation remained consistently below the PEL, the contractor shall provide Half-faced negative pressure respirators equipped with high efficiency filters. 12. Protective Clothing 12.1 Provide workers with sufficient sets of protective full-body clothing, including overalls, headgear, gloves, and foot coverings. All protective clothing shall remain in the work area until the abatement activities have ended, at which time they shall be disposed of as asbestos waste The contractor shall provide authorized visitors complete sets of disposable protective clothing. 13. Air Monitoring 13.1 Air monitoring shall be conducted both in and outside the work area throughout the duration of abatement activities. Outside monitoring of ambient air will be performed by the Owners Industrial Hygienist / Project Monitor. Work area environmental samples, if applicable, shall be taken on a daily basis by a testing laboratory employed by the Contractor, or by the Contractor s personnel OSHA Required Personal Monitoring Contractor s Personal Monitoring shall in strict accordance with OSHA Standard Samples shall be collected by pumps that maintain NIST calibration that certifies flow rates within an accuracy of plus or minus 5%. Pumps shall be calibrated with an inline representative filter, before and after sample collection Air samples shall be analyzed in accordance with the OSHA Standard , by a competent trained person or laboratory. The results of samples shall be posted outside of the work enclosure as soon as they are made available from the analytical laboratory, but no more than 72 hours after the sample analysis has been received from the lab. Data should include Contractor required 8 hour TWA determinations with a description of work activities representing the collected sample, and results of work area Short Term Excursion Limit (STEL) environmental samples. Sample analysis reports shall show the duration of the collection as well as the flow rate of the sampling pump All costs associated with the Contractor s personal and environmental air monitoring shall be borne by the Contractor Ambient Environmental Air Monitoring The Owner has contracted the services of a Virginia Licensed Project Monitor to perform ambient environmental air sampling outside the work area; and final Clearance sampling for re-occupancy. The Project Monitor shall notify both the Contractor and the Owner immediately if any samples outside the work enclosure exceed 0.01 fibers/cc. Abatement activities shall cease until the situation is corrected. 14. Cleanup and Lockdown 14.1 All bags and equipment shall be removed from the work area via the decontamination unit.

9 14.2 Remove visible accumulations of asbestos material and debris. Wet wipe all surfaces within the work area All critical barriers, HEPA equipped ventilation units, air filtration, and the decontamination unit shall remain in place until final clearance is achieved The Project Monitor will perform a visual inspection of the work area to confirm that the area is free of visible asbestos debris Certification that the area is clean will be issued in writing by the Project Monitor. Once certification has been issued, the Contractor shall apply a fine mist of an approved encapsulation/lockdown agent to all surfaces within the work area. The encapsulation / lockdown agent shall not be allowed to puddle. Sufficient time shall be allowed for the encapsulant to dry prior to Final Clearance Sampling. 15. Final Clearance 15.1 Final air samples will be taken by the Project Monitor. After allowing the encapsulant to dry for at least 24 hours, the Project Monitor shall begin the final air clearance procedure. A Sufficient number of PCM cassettes will be loaded onto calibrated vacuum pumps, and operated for a period of 120 minutes. The cassettes will be collected and placed under Chain Of Custody, mounted for laboratory analysis, and then analyzed. If the final air samples do not meet clearance standards per the NIOSH 7400, PCM protocol (< 0.01 Fibers/ Cubic Centimeter), the Contractor will be responsible for all associated costs of re-cleaning the work area, as well as subsequent sampling and analysis. 16. Disposal 16.1 The storage / transport vehicle shall be lined with two (2) layers of 6 mil poly film. Proper asbestos signage and barrier tape shall demarcate the storage area while the container is onsite. During off hours the container shall be secured via a locking device Storage / Transport containers shall be maintained to allow for maximum storage capacity at the work site The Contractor shall comply with the 40 CFR 61 (Subpart B), the Virginia Department of Waste Management Regulations, local, and regional standards for the transport and disposal of all generated asbestos waste The waste manifest shall be authorized by the Owner or the Owners representative. Copies of the landfill s accepted waste manifest must be sent to the Owner within 30 days of transport to the landfill facility. END OF SECTION