KELSAY Environmental Consulting

Transcription

1 SPECIFICATIONS FOR FOR THE Eccles Elementary Flooring Remodel Project PREPARED FOR Canby School District Canby, Oregon PREPARED BY KELSAY Environmental Consulting CCB# SE Francis St. Portland, Oregon April 2015

2 SECTION 100 Instructions to Bidders PART 1- DUE DATE AND OTHER SPECIFICS Bids and any Addendum are to be ed to by 1:00 pm on April 17, 2015 The work at the site is NOT to be conducted under BOLI Prevailing Wage Requirements. PART 2 GENERAL 1.1 PREQUALIFICATION OF BIDDERS A. Each Bidder submitting a Bid for this project shall be listed on the current DEQ list of licensed Asbestos Abatement firms. B. Each Bidder shall attend the mandatory walk through at Eccles Elementary conducted Monday April 13, 2015 at 11:00 AM at 562 NW 5 th Avenue, Canby, Oregon. 1.2 FORM OF BID AND ORGANIZATION A. Bids shall be ed be ed to laymanw@canby.k12.or.us. All Bids shall be clearly and distinctly typed or written with ink and shall be submitted on the Proposal Form contained within the specification. All applicable blanks giving general and Bid specific information shall be filled in, and the Bid shall be signed by the Bidder or a duly authorized agent. B. Unless otherwise specified, Bidders shall bid on all items included in the Bid and the low Bidder shall be determined as noted in Section 200, AWARD AND EXECUTION OF CONTRACT. Bids which are incomplete, or fail to reply to all items required in the Bid will be rejected. Bids received after the scheduled closing time for filing Bids will be rejected. Performance Bonds are required. 1.3 INTERPRETATION OF SPECIFICATIONS AND ADDENDA A. The Bidder shall make written inquiry to the Owner s Representative should it appear to a Bidder that the work to be done are in conflict or not sufficiently described in the Contract Documents. Page 1 of 3 Kelsay Environmental

3 B. If in the judgement of the Owner s Representative, additional information or interpretation is necessary, such information will be supplied in the form of an addendum. The addendum will be delivered to all individuals who have taken out contract documents. Such addendum shall have the same binding effect as the Contract Documents. C. Oral instructions or information concerning the Bid documents or the project given by the Owner or the Owner s Representative shall not bind the Owner. 1.4 EXAMINATION OF THE PROJECT AND CONTRACT SPECIFICATIONS A.The bidder shall carefully examine the site of the proposed work, the Bid, Plans, Specifications, Addendum, and Contract forms. The submittal of a Bid shall be conclusive evidence that the bidder has made such examinations and understands the requirements to complete the work. 1.5 COMPLIANCE WITH LAWS AND ORDINANCES A.The Bidder shall comply with all Federal, State and local laws, ordinances and regulations, which in any manner might affect those, engaged or employed in the work or the materials or equipment used. No plea of misunderstanding or ignorance of the law will be considered. 1.6 PROJECT SCOPE A.The Owner reserves the right to increase or decrease the amount of any class or portion of the work. Bidders shall include a lump sum price for the entire cost of the work set in the Specifications herein. B.The lump sum amount shall include full labor, materials, supplies, equipment, tools and all items necessary to complete the work described. C.The lump sum price submitted shall be firm during the contract period. If unit prices are requested, they should be shown for each unit on which there is a bid. 1.7 CONTRACTOR LICENSES A.The contractor shall obtain all licenses and permits required by the Department of Environmental Quality to complete the work. B.The contractor must be licensed with the State of Oregon Construction Contractors Board in accordance with ORS prior to submitting a Bid. END OF SECTION 100 Page 2 of 3 Kelsay Environmental

4 1.1 REJECTION OF BIDS Section 200 Award and Execution of Contract PART 1 GENERAL A. The Owner reserves the right to reject any or all Bids in whole or in part as specified in ORS and ORS B. The invitation to Bid does not commit the Owner to pay any costs incurred by any Bidder in the preparation or submittal of a Bid. 1.2 AWARD OF CONTRACT A. The award of the contact will be made by the Owner to the Bidder submitting the lowest and responsible Bid. B. Award of the Contract will be made within thirty (30) calendar days after the date of opening of the Bids. C. The owner reserves the right to award the contract to one or more than one contractor, depending on the best interest of the school district. END OF SECTION 200 Page 3 of 3 Kelsay Environmental

5 2015 Asbestos Abatement Proposal Form CANBY SCHOOL DSTRICT 1110 S. Ivy Street Canby, Oregon Eccles Elementary School Flooring Remodel Project 562 NW 5 th Avenue Canby, OR The undersigned, having full knowledge of the quality and quantity of material and labor to be performed, hereby proposes to perform all labor and furnish all materials necessary for the removal and abatement of all asbestos material described below and included in the Contract Documents. The work is to be performed under. The work is to be performed under full negative pressure isolation. Bids and any Addendum are to be ed to laymanw@canby.k12.or.us by 1:00 pm on April 17, 2015 BASE BID INCLUDES REMOVAL AND DISPOSAL OF THE FOLLOWING: 1. Approximately 6300 Square Feet of Carpet over Asbestos containing Floor Tile and Mastic throughout all hallways. ($ ) Dollars Kelsay Environmental PROPOSAL FORM 300 Page 1 of 3

6 2015 Unit Pricing: Provide unit prices for the removal of additional asbestos-containing materials identified at the schools during the course of the renovation. Removal and disposal of hard fittings Removal and disposal of pipe insulation Removal and disposal of asbestos-containing floor tile and non-asbestos mastic Removal and disposal of asbestos-containing floor mastic and floor tile Removal and disposal of asbestos-containing floor mastic and non-asbestos floor tile Removal and disposal of asbestos plaster Removal and disposal of drywall/joint compound trace amounts of asbestos* Removal and disposal of asbestos-containing lay-in ceiling tiles Removal and disposal of fire doors Removal and disposal of glued-on ceiling tile dots Removal and disposal/recycling of fluorescent light tubes Removal and disposal PCB-containing light ballasts Re-mobilization Asbestos abatement worker (Includes tools, equipment and materials) Asbestos abatement supervisor (Includes tools, equipment and materials) /EA /LF /SF /SF /SF /SF /SF /SF /EA /SF /EA /EA /EA /HR /HR * Waste to be disposed of normal waste stream Kelsay Environmental PROPOSAL FORM 300 Page 2 of 3

7 2015 Bidders Declaration I hereby agree that this proposal is made subject to compliance with AHERA, DEQ and OSHA regulations. I further agree that this bid is irrevocable for at least sixty (60) calendar days after the bid opening date and time, and if accepted, to complete said project at the cost-plus a fee bid with the Contract Time specified. Bidder: By (Signature): Name (Typed): Title: Date: I acknowledge that I have received all Addendum for this project. Address: City: State: Zip: Phone: Kelsay Environmental PROPOSAL FORM 300 Page 3 of 3

8 PART I GENERAL 1.1 DESCRIPTION OF REQUIREMENTS A. The work under this Project Specification consists of asbestos abatement and related procedures to facilitate flooring replacement in hallways. The Contractor (Asbestos Abatement Contractor) is responsible for providing all material, labor and equipment necessary to accomplish the work. B. The Contractor is to perform all planning, administrative, execution, and cleaning requirements necessary to safely remove the Asbestos-Containing Materials (ACMs) and asbestoscontaminated materials as indicated in these Project Specifications, exercising care, taking safety precautions, and implementing protective measures, as necessary to prevent damage to the owner s property. C. The contract sum shall not be affected by changes due to increases in equipment, transportation, training, labor and material costs, disposal costs and fees, or other similar events. D. The Contractor is responsible for verifying and identifying all locations of abatement, types of materials, and ACM quantities to be removed at the facility prior to the commencement of any work. 1.2 RELATED WORK BY OTHERS OWNER S REPRESENTATIVE A. The owner has retained a representative to perform the following tasks: 1. Observe the work procedures of the Contractor and the Contractor s compliance with all Federal, state, and local regulations and the Project Specifications. 2. Collect and analyze air samples. 3. Verify that all specified work is completed Page 1 of 14

9 1.3 ABATEMENT SCOPE OF WORK A. The asbestos abatement contractor shall provide all labor and materials to complete the following removal and disposal of asbestos-containing and products. Include pricing in base bid. Eccles Elementary School BASE BID INCLUDES REMOVAL AND DISPOSAL OF THE FOLLOWING: Carpet on Asbestos containing Floor Tile and Mastic throughout all hallways a. Approximately 6300 Square Feet of asbestos vinyl floor tile and mastic under carpeting in the hallways at the site. 1.4 GUIDANCE DOCUMENTS INCLUDED BY REFERENCE A. The current issue of each of the following documents shall govern. Where conflict among requirements or with these Project Specifications exists, the most stringent requirements shall apply. 1. U.S. Environmental Protection Agency National Emissions Standards for Hazardous Air Pollutants (NESHAPS). (Code of Federal Regulations Title 40, Part 61, Subparts A and B). 2. U.S. Environmental Protection Agency Office of Toxic Substances Guidance Document, Guidance for Controlling Friable Asbestos-Containing Materials in Buildings. EPA Report Number 560/ ( Purple Book ). 3. U.S. Environmental Protection Agency Asbestos-Containing Materials in Schools Final Rule 40 CFR Part U.S. Department of Labor Occupational Safety and Health Administration (OSHA): a. Title 29 Code of Federal Regulations Section General Industry Standard for Asbestos. b. Title 29 Code of Federal Regulations Section General Industry Standard for Respiratory Protection. c. Title 29 Code of Federal Regulations Section 1910 et al. Occupational Exposure to Asbestos; Final Rule. d. Title 29 Code of Federal Regulations Construction Standard for Asbestos. e. Title 29 Code of Federal Regulations Section Access to Employee Exposure and Medical records. f. Title 29 Code of Federal Regulations Section Hazard Communication. 5. National Institute for Occupational Safety and Health (NIOSH), 30 CFR, Part,11 and 40 CFR Part 84, Respirators. 6. American National Standards Institute (ANSI) NY; ANSI Standard Z American National Standards Practice for Respiratory Protection, latest edition Page 2 of 14

10 7. Oregon Administrative Rule Chapter 340, Division 32, Department of Environmental Quality; Chapter 340, Division 33, Licensing and Certification Requirements. 8. Oregon Administrative Rules Chapter 437, Divisions 2 and Oregon Revised Statutes (ORS), Chapter 279, Certified Asbestos Contractors and Prevailing Wage; 656, Workers Compensation; and 701, Construction Contractors Board Registration. 10. Uniform Building Code (U.B.C), latest edition, regulations as applicable. 11. All related electrical work shall be performed in accordance with the National Electrical Code. 12. All local ordinances, regulations, or rules pertaining to asbestos, including its storage, transportation, and disposal. 1.5 CONTRACTOR SUBMITTALS AND PROJECT NOTICES A. Contractor shall provide three copies of the following submittals to the Owner s Representative. B. Contractor shall submit to the Owner s Representative the following information prior to the commencement of work: 1. Contractor s License Submit proof that the Contractor is currently and for the duration of the project is licensed in the State of Oregon to perform asbestos abatement, per Oregon Revised Statues (ORS) Chapter 701, and Oregon Administrative Rules (OAR) Chapter 340, Division Asbestos Supervisor Submit the name and resume and experience of the assigned onsite foreman. 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. The Owner and the Owner s Representative reserves the right to remove the foreman from the project at any time during the duration of the project. The Contractor shall then assign another on-site supervisor who meets the above mention requirements prior to the re-commencement of any further work activity. 3. Insurance Certificate Submit proof of insurance coverage including general comprehensive liability, asbestos liability, worker s compensation, and employer s liability. Asbestos specific insurance shall be of the Occurrence type in amounts of not less than $2,000, per occurrence. 4. Worker Certification Submit written proof indicating that all employees impacting asbestos-containing materials are Oregon State-certified asbestos workers. Provide photo copies for each employee. 5. Emergency Plans Submit written emergency control and cleanup plans 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. Please refer to the Project Quality Assurance Section for more information Page 3 of 14

11 6. Notification Submit a copy of written notification to the DEQ of the proposed asbestos work not fewer than (10) days before work is scheduled to commence for this project. 7. Confined Space Entry Plan Submit procedures for performing work in confined areas (e.g. Attic spaces, above drop ceilings, basements, etc.) including a description and plan showing primary access points, material removal routes, newly created access locations and worker protection. The approved plan shall be posted in the Contractor s equipment area. All abatement workers entering confined areas shall review the approved plan. 8. Work Plan Submit a written work plan for review by the Owner s Representative describing the schedule for asbestos abatement, decontamination procedures, and plans for construction and location of the decontamination enclosure systems, pressure differential exhaust fans, etc., including calculations for determining the required number of negative-air filtration units. The plan shall include the systematic flow of work throughout the facility, per the Project Specifications, outlining area-by-area procedures and planned alternative control measures. The Contractor shall keep close coordination of his work with the Project Manager and the Owner s Representative. 9. Product Information Submit complete product information for any materials and products for which the Contractor requests approval for use on this project. 10. Material Safety Data Sheets (MSDS) Submit copies of all MSDS s for chemicals for which the Contractor requests approval for use on this project. 11. Emergency Phone Number Submit a local phone number at which the Contractor or on-site foreman can be reached on a twenty-four-hour basis during the course of the project. 12. Contractors Testing Laboratory Submit name, address, phone number and contact for testing laboratory proposed for this project. 13. Submit a schedule of work indicating start and completion dates for each school. C. Contractor shall not begin work until submittals are reviewed and accepted by the Owner and the Owner s Representative. D. During the duration of the project, the Contractor shall submit to the Owner s Representative on a periodic basis the following: 1. Waste shipment and disposal documentation 2. Personal air monitoring data 3. Notification updates E. Contractor shall submit to the Owner s Representative in writing all information required above regarding any new asbestos workers hired by or subcontracted to the Contractor before the new asbestos abatement workers begin work. F. Prior to the removal of the decontamination systems and isolation barriers, the Contractor shall obtain specific written permission from the Owner s Representative Page 4 of 14

12 G. Contractor shall submit at the completion of the project a post-project submittal package that includes all up-to-date information, worker certifications, waste shipment records, personal air monitoring results, etc. H. Contractor shall complete all assigned work under the signed contract with the Owner. 1.6 REQUIRED CONTRACTOR AIR MONITORING A. Contractor s monitoring during abatement shall include: 1. Air monitoring shall be performed to provide samples during the period of asbestos abatement in each work area. Begin samples when asbestos removal begins. Samples are to be taken where Class I and Class II work is being performed during each 8-hour shift until abatement is complete in that work area or until a negative exposure assessment has been established per 29 CFR The Contractor shall determine which worker(s) in each work area is most likely experiencing the most severe exposure. This is the Most Contaminated Worker(s). An eight-hour Time Weighted Average (TWA) and 30-minute excursion samples shall be collected on these worker(s). The worker(s) shall wear a personal sampling pump and the sample shall be drawn from the breathing zone of the worker. 3. The number of air samples collected shall be determined by the Contractor and may be altered during the project based on work activity and air sampling results. 4. The maximum allowable fiber levels shall be based on the engineering controls and respiratory protection. 5. The Owner s Representative reserves the right to monitor the Contractor s performance via air sampling on abatement workers and in the work area in addition to the Contractor s air monitoring. 1.6 CLEARANCE AIR SAMPLING A. Owner s Representative will perform clearance sampling in the following manner: 1. Air sampling for post-abatement work in isolated and non-isolated work areas will use an aggressive or non-aggressive sampling method, whichever method is deemed more appropriate by the Owner s Representative. Aggressive sampling shall be conducted in accordance with DEQ and AHERA requirements to assure that fibers remain airborne during sampling collection. 2. Analysis of clearance samples shall be via Phase Contrast Microscopy (PCM) or Transmission Electron Microscopy (TEM). The liters per minute shall range between an average of 1200 to 3000 liters and shall be determined by the Owner s Representative. 1.8 PERSONAL PROTECTION AND SITE SECURITY A. Personnel Protective Equipment for Asbestos Removal Includes: Page 5 of 14

13 1. 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. 2. At a minimum, respiratory protection shall be approved by National Institute for Occupational Safety and Health (NIOSH), United States Department of Labor, and U.S. Department of Health, Education and Welfare, Centers for Disease Control, and be as listed below. Respiratory protection shall provide workers with a maximum calculated fiber level inside the mask of 0.01 fibers/cubic centimeter (f/cc). 3. 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 selection per OR-OSHA Worker s Compensation Department Rule (4) (e) (5) (I), and semi-annually thereafter. Contractor shall supply replacement filter cartridges as required. Cartridges that have become wet or clogged shall be replaced immediately. 4. Each worker shall, upon entering the jobsite: Remove street clothes in the clean change room, put on and fit-test his respirator, put on clean protective clothing and sign in on the Worksite Entry Logbook before entering the equipment room or the work area. 5. 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; 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 the purpose; and wash and rinse inside of the respirator. 6. Workers shall not eat, drink or chew gum at the worksite except in a designated break room that is not situated closer than 20-feet from the decontamination enclosure system or work area. Smoking or using tobacco products is prohibited. 7. 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. B. Worker Decontamination Enclosure System: 1. A worker decontamination chamber shall be established for all Class I and Class II work performed in the building. The Contractor shall construct the personnel decontamination facility immediately outside of the isolated work area consisting of three chambers and two air locks as follows: a. The equipment room shall consist of an air lock to the shower room, and a curtained doorway to the work area. b. 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 controllable at the taps running waters and shall be installed in this room. The Contractor shall supply and maintain soap, shampoo and towels at all times in the shower area. Shower Page 6 of 14

14 wastewater shall be filtered to remove all fibers larger than 3 microns and as required by local regulations, before disposal in the municipal sewer system, or shall be collected and disposed of as asbestos-contaminated material. Water filters shall be disposed of as asbestos-contaminated material. c. 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, storage for workers and visitors clothing and shoes, a place to sit down, and the Worksite Entry Logbook. Work, respirator and decontamination procedures, regulations and Prevailing Wage Rates shall be conspicuously posted. 2. The 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 Owner s Representative. C. Building Security and Protection shall be administered as follows: 1. The Contractor shall post adequate warning signs at all potential entrances to work areas as required by EPA and OSHA. 2. Contractor shall protect all existing fixed equipment, existing building finishes that are to be 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 the existing building, services, and/or equipment shall be remedied by the Contractor at his/her expense. 3. Contractor shall clean external surfaces of contaminated containers and equipment thoroughly by wet sponging and HEPA vacuuming. 1.9 PROJECT QUALITY ASSURANCE A. If at any time during the work, analysis of an air sample taken outside the work area by the Contractor or the Owner s Representative indicates a fiber count in excess of the allowable maximum specified (0.01 f/cc for an area sample), the Contractor shall immediately notify the Owner s Representative. B. Immediately upon being notified of fiber counts exceeding the specified maximum allowable levels, the Contractor shall perform the following steps in the order presented, at no additional cost to the owner: 1. Stop abatement work. 2. Identify source of high fiber counts. 3. Immediately correct any containment breaches, pressure differential changes, or other potential cause, and other concerns with the Owner s Representative. The Owner s Representative will determine the affected area and affected adjacent areas to be contained. The Owner s Representative will determine the actions to be taken by the Contractor at no additional cost the Owner Page 7 of 14

15 a. Clean the affected area and the affected adjacent areas. Cleaning of the areas shall include the use of wet methods and HEPA vacuuming. b. Resample air until fiber counts are determined to be below 0.01 f/cc. c. Secure and repair containment barriers, repair or add equipment. d. Modify work procedures, and make other changes determined to be the possible cause of the high fiber counts LIABILITY A. The Contractor is an independent contractor and not an employee of the Owner, Architect, or the Owner s Representative. The Owner, Architect, and the Environmental Consultant shall have no liability to the Contractor or any third party for Contractor s failure to faithfully perform and follow the provisions of these Project Specifications and the requirements of the governing agencies PROJECT PROTECTION A. Damaged or deteriorating materials shall not be used and shall be removed from the premises by the Contractor. Materials that become contaminated with asbestos shall be disposed of in accordance with the applicable regulations by the Contractor PROJECT WORK STOPPAGE B. At any time during the work, the Owner and the Owner s Representative may stop the work if violations of the Project Specifications are observed or if the functioning of the Owner by the activities of the Contractor or his subcontractors is determined to be impaired. Work shall stop immediately upon verbal direction of the Owner or the Owner s Representative. Work may commence when the violations have been rectified or activities are altered and determined to be acceptable by the Owner or the Owner s Representative. PART II INDUSTRY SPECIFIC 2.1 TOOLS AND EQUIPMENT 1. Water Sprayer The water sprayer shall be an airless or other low-pressure sprayer for amended water application. 2. Air Purifying Equipment Air purifying equipment shall consist of High-efficiency Particulate Air (HEPA) filtration systems. No air movement system or air equipment shall discharge asbestos fibers outside the work area. Each unit shall be capable of variable volume from a minimum of 500 CFM to at least 1700 CFM under load and shall have at least 2 stages of prefiltration ahead of the HEPA final filter. 3. Pressure Differential Monitoring Equipment A combination sensing, alarm and recording device shall be in operation at all times during use of the HEPA air purifying equipment Page 8 of 14

16 4. Water Purification Equipment Capable of removing all fibers longer than 3 microns in length or as required by local regulations from water used in abatement work and decontamination showers. 5. Vacuum Equipment All vacuum equipment utilized in the work area shall be High-efficiency Particulate Air (HEPA) equipment, and suitable for wet/dry usage. 6. Scaffolding Scaffolding, as required to accomplish the specified work, shall meet all applicable safety regulations. 7. Transportation Equipment Transportation equipment, as required, shall be suitable for loading, temporary storage, transit, and unloading of contaminated waste without exposure to persons or property. Equipment shall have a hard top, bottom and sides. If equipment is rented, notify rental agency in advance, in writing, of intended use of equipment. 8. Electrical Electrical tools, equipment and lighting shall meet all applicable codes and regulations. Ground fault protection, as required by OSHA, shall be in effect at all times. Contractor shall take all additional precautions and measures necessary to ensure a safe working environment during wet removal. NOTE: All lighting fixtures, cords, etc., that are used for abatement purposes shall be kept off of the floor area and attached to the wall or ceiling. 9. Glovebag Glovebags shall be clean polyethylene bags seamless at the bottom with pre-printed asbestos warning labels, 6-mil plastic with attached TYVEK arms and latex gloves. 10. Other Tools and Equipment Provide other suitable tools for removal, enclosure, encapsulation, patching, and disposal activities including but not limited to: hand-held scrapers, wire brushes, sponges, and rounded-edge shovels. PART III PROJECT RELATED WORK AND EXECUTION 3.1 WORK AREA PREPARATION FULL ISOLATION CONTAINMENT FOR CLASS I AND CLASS II WORK A. Contractor shall perform the following isolation procedures in the order in which they are presented. Any alternative control methods for Class I and Class II work shall be approved by the Owner s Representative and performed in accordance with 29 CFR Work under this classification includes but is not limited to the removal of asbestos-containing sheet flooring, textured ceiling materials, pipe insulation, ceiling tiles, and fireproofing. 1. Shut down, remove filters and isolate HVAC systems to prevent contamination and fiber dispersal. Coordinate with the owner and maintenance personnel prior to shutdown. 2. Coordinate all electrical, safety and other service connections, requirements and equipment with appropriate individuals. Use a journeyman electrician at a minimum. It is the Contractor s responsibility to verify operation of systems that will be shut off during abatement. If any system is found to be defective or not operating satisfactorily, the Contractor shall notify the Owner. 3. Install barriers as follows: Seal off openings, including but not limited to doorways, windows, and other penetrations of the work area, with solid critical barriers, except openings left for HEPA air-purification system, which shall be properly HEPA filtered. Solid critical barriers shall constructed from a minimum of 2 X 4 studs, and ½ Page 9 of 14

17 plywood or drywall sealed airtight and covered on both sides with 2 layers of 6-mil polyethylene sheeting. Where doors exist, sealing may be done by closing the door, sealing with tape on both sides, then covering both sides with two layers of plastic sheeting. 4. Pre-clean moveable objects, such as furniture and equipment to be removed (and carpeting), within the proposed work areas using HEPA-filtered vacuum equipment and/or wet cleaning methods as appropriate, and remove such objects from the work areas to a temporary location, or consolidate such objects away from removal work and enclose with critical barriers. 5. Pre-clean fixed objects within the proposed work area; using HEPA-filtered vacuum equipment and/or wet cleaning methods as appropriate, and enclose with critical barriers. Equipment that must continue operating shall be enclosed and ventilated to avoid damage, if necessary. 6. Set-up the worker decontamination enclosure system (decon). 7. Install HEPA air-purifying equipment pressure differential fan system to ensure lower static pressure in the isolated work area than in surrounding areas, a flow of air through all parts of the isolated work area towards the air-purifying equipment, and minimum air contamination levels at abatement worker breathing zones. Discharge from airpurifying equipment shall be ducted outside the building. Use one or more units of capacity as recommended by the manufacturer for the volume of the isolated work area, but in no case shall air flow be less than 6 air changes every 60 minutes with a minimum pressure differential of 0.02 inches of water gauge between the work area and the decontamination clean room. 8. Cover floor and wall surfaces with plastic sheeting sealed with duct tape. 9. Maintain emergency and fire exits from the work areas, or establish alternative exits satisfactorily to the local building or fire department officials. Ensure that all exits remain unobstructed and well marked. 10. Adequate portable fire extinguishing equipment shall be maintained within the work area as defined by OSHA and/or the local fire department officials. B. No Class I or Class II asbestos abatement work shall occur unless the work area isolation has been found acceptable for Project Specification compliance by the Owner s Representative. C. Isolated work area enclosure system maintenance. The Contractor shall be responsible for daily documentation of the following: 1. Prior to the first use and at the beginning of each shift during abatement work, the containment shall be given a complete visual inspection by the Contractor s on-site supervisor and the Owner s Representative. This shall include inspection of the HEPA air-purification system and associated filters. Verification that manometers are indicating negative pressure of at least.02 on the water column. A smoke tube test by the on-site supervisor shall then be made of the worker decontamination enclosure system and other critical areas to verify that the isolated area is under negative air Page 10 of 14

18 pressure. In addition, it may be desirable to provide additional verification of negative pressure. Work shall not begin until all defects have been repaired. 2. Periodic inspections shall be made as required during each shift to assure continued proper functioning of the containment and HEPA system. 3.2 REMOVAL OF ASBESTOS-CONTAINING MATERIALS IN FULL CONTAINMENT A. Contractor shall remove all asbestos-containing materials as designated by the contract drawings using the following procedures. 1. Contractor shall spray the asbestos material with amended water. The asbestos shall be sufficiently saturated to prevent emission of airborne fibers in excess of specified fiber levels. 2. Contractor shall remove asbestos materials while damp and pack in sealable plastic bags (6-mil minimum thickness). Move bags to bag loadout facility or equipment room in the worker decontamination system. Wash outside surface and place inside a second plastic bag bearing DEQ warning label and name of waste generator and location from which waste was generated. 3. After completion of the stripping work, Contractor shall clean all surfaces from which asbestos has been removed by brushing and/or wet sponging or cleaning by an equivalent method to remove all visible material. During this work, the surfaces being cleaned shall be kept wet. Avoid using wire brushes, if possible. 4. Contractor shall collect all water used in the removal and cleaning process and dispose of as contaminated waste or filter to remove all fibers more than three microns in length before disposal in the municipal sewer system, or as required by local regulations. Water filters shall be disposed of as asbestos-contaminated material. 3.3 REMOVAL OF ASBESTOS-CONTAINING MATERIALS IN NON-ISOLATED CONTAINMENT A. Contractor shall apply spray coat of amended water to the material to be removed. Keep the material damp during the entire removal process. B. Glovebag work shall be as follows: All removal using the glovebag method shall be performed strictly according to regulations. Workers are not to smoke or wear hand or wrist jewelry while using glovebags. 1. Contractor shall coordinate the shutoff of all sources of heat to the objects to be worked on. NOTE: Do not work on objects above 150 degrees F. 2. Contractor shall install a port for the hose of the HEPA vacuum to create reduced pressure inside the glovebag. Installing of fresh air intake and/or bridging to prevent collapse of bag are acceptable. Reduced Pressure shall be maintained throughout entire abatement procedure. 3. During the removal phase, Contractor shall utilize amended water to reduce potential for airborne fibers Page 11 of 14

19 4. After completion of insulation removal and cleaning, but prior to removal of glovebag, Contractor shall apply a single tack coat of penetrating encapsulant to the surface of the pipe and any remaining non-asbestos insulation, within the glovebag. 5. After the pipe has been sealed, the Contractor shall thoroughly wash the upper chamber of the glovebag and seal the contents of the bag in the lower chamber. 6. Contractor shall seal flap, utilize a HEPA vacuum, and remove all contaminated air in the upper chamber. 7. Contractor shall promptly double bag the glovebag after removal is complete, place into a sealed container and remove to the bag holding enclosure. 8. Contractor shall cover ends of remaining existing insulation with re-wettable lagging cloth. 3.4 CUT AND WRAP METHOD FOR REMOVAL OF PIPING WITH ASBESTOS-CONTAINING INSULATION A. The Contractor shall perform the following procedures in the order in which they are presented for removal of piping. Any alternative control methods for removal of pipes shall be approved by the Owner s Representative and performed in accordance with applicable regulations. 1. Cover all objects within the work area including but not limited to furniture and equipment with a minimum of 4-mil plastic sheeting. 2. Restrict all entrances to work area to abatement personnel only. Use barrier tape and signage at a minimum to restrict access. Have a negative air machine available for use in case of accidental release or impact of asbestos-containing materials. 3. Install a minimum of one layer of 4-mil plastic sheeting to floors of work area. 4. Remove insulation in areas to be cut using glovebag method. 5. Wrap pipe to be removed with 6-mil plastic sheeting. 6. Cut pipe into sections. 7. Remove section and wrap with second layer of 6-mil plastic sheeting. 8. Clean all surfaces in the work area with water and/or with HEPA-filtered vacuum equipment. Remove all material and equipment from work area. All plastic sheeting shall be placed in sealed containers for disposal. 3.5 CLEANUP OF ASBESTOS-CONTAINING MATERIALS IN FULL ISOLATION WORK AREAS A. At the conclusion of removal in the isolated work area, conduct cleanup in the sequence described below. Windows, doors, HVAC vents, etc., shall remain sealed and HEPA-filtered pressure differential fan systems shall remain in service. 1. Remove all of the material and equipment. Contractor shall remove visible accumulations of material and debris. Contractor shall include all sealed containers and equipment used in the work area in the cleanup and remove them from the work area, after decontamination of outer surfaces. 2. Clean the work area. Contractor shall clean all surfaces in the work area and any other Page 12 of 14

20 contaminated areas with water and/or with HEPA-filtered vacuum equipment. Wet clean or clean with HEPA-filtered vacuum equipment all surfaces in the work area. After completion of the cleaning operation, perform a complete visual inspection of the work area to ensure that the work area is free of visible debris. 3. Final visual inspection. Prior to the application of the post-removal encapsulant, contact the Owner s Representative for a visual inspection of the work area. The work area shall be free of visible asbestos-containing debris. 4. Remove the first layer of plastic sheeting. 5. Perform a final detail cleaning of the work area and all the equipment. After the visual inspection by the Owner s Representative, the Contractor shall apply the approved encapsulant to all surfaces in the work area. 6. The Owner s Representative shall perform the clearance air sampling. 7. When the final inspection by the Owner s Representative and air sampling test results are satisfactory, remove the decontamination system and remaining barriers and tear down any remaining items. 8. Properly dispose of the waste. Contractor shall properly dispose of all waste materials including all of the polyethylene sheeting, duct tape, cleaning materials, and contaminated clothing, etc. All of the waste shall be properly sealed and labeled in accordance with all applicable regulations.3.6 RE-ESTABLISHMENT OF OBJECTS AND SYSTEMS A. When the cleanup has been completed, the Contractor shall: 1. Relocate objects moved to temporary locations in the course of the work to their former positions. 2. Clean, repair and/or repaint all surfaces soiled, discolored or damaged by removal of duct tape, adhesive or other work of this contract to match existing surfaces. The Contractor shall bear all costs associated with damage incurred during abatement, which includes but is not limited to gypsum board, windows, mullions, and elevator cars. 3. Return mechanical, electrical, and other systems shut down by the Contractor to complete and functional operation. 3.7 DISPOSAL REQUIREMENTS A. Contractor shall affix warning labels having waterproof print and permanent adhesive, to the lid and sides of containers and/or waste bags, whichever applies. Warning labels shall be conspicuous and legible and contain the following words: DANGER CONTAINS ASBESTOS FIBERS AVOID CREATING DUST CANCER AND LUNG DISEASE HAZARD AVOID BREATHING AIRBORNE ASBESTOS FIBERS Page 13 of 14

21 B. The Contractor shall determine current waste handling, transportation, and disposal regulations for the work site and for each waste disposal landfill. The Contractor must comply with these regulations and all U.S. Department of Transportation, DEQ and EPA requirements. Doublebagged material containers shall be delivered to the predesignated disposal site for burial. Labels and all necessary signs shall be in accordance with DEQ and OSHA standards. B. Contractor shall remove decontaminated containers from the facility as soon as possible. Notify disposal site in advance of delivery of material to assure immediate burial of containers. C. If the bags are broken or damaged, or the container is contaminated, the Contractor shall clean and decontaminate the entire container for reuse. D. Contractor shall submit three copies of written proof of disposal at an approved disposal site to the Owner s Representative. Prior to completion of the abatement work specified in this Section. Use copies of the DEQ Waste Shipment Record ASN-4, completely filled out and signed, and accompanied by tickets and/or receipts from the disposal site. END OF SECTION Page 14 of 14