Chapter DHS 159

DHS 159.35(4)(a)1. 1. Site preparation considerations.

DHS 159.35(4)(a)2. 2. Considerations for areas adjacent to the regulated asbestos work.

DHS 159.35(4)(a)3. 3. Occupant protection considerations for work in occupied building.

DHS 159.35(4)(b) (b) Isolating the work area, preparation and set-up, including:

DHS 159.35(4)(b)1. 1. Design, construction and maintenance of barriers, containments, and decontamination enclosure systems.

DHS 159.35(4)(b)2. 2. Positioning of warning signs.

DHS 159.35(4)(b)3. 3. Lock-out of electrical and ventilation systems.

DHS 159.35(4)(b)4. 4. Proper techniques for initial cleaning.

DHS 159.35(4)(c) (c) Proper abatement work techniques to minimize fiber release, including:

DHS 159.35(4)(c)1. 1. Use of wet methods.

DHS 159.35(4)(c)2. 2. Use of negative pressure ventilation equipment.

DHS 159.35(4)(c)3. 3. Use of HEPA vacuums.

DHS 159.35(4)(c)4. 4. Work practices for removal, encapsulation, enclosure and repair.

DHS 159.35(4)(c)5. 5. Glove bag use and methods including a demonstration.

DHS 159.35(4)(c)6. 6. Encapsulation, enclosure, and repair of asbestos-containing material.

DHS 159.35(4)(d) (d) Proper worksite cleanup, waste handling and decontamination, including:

DHS 159.35(4)(d)1. 1. Proper clean-up and disposal procedures.

DHS 159.35(4)(d)2. 2. Use of HEPA vacuums.

DHS 159.35(4)(d)3. 3. Transport and disposal procedures.

DHS 159.35(4)(d)4. 4. Entry and exit procedures for the work area.

DHS 159.35(5) (5) Field trip. Field trip to an abatement site or other suitable building site, including all of the following:

DHS 159.35(5)(a) (a) On-site discussion of abatement design.

DHS 159.35(5)(b) (b) Walk-through inspection of the structure.

DHS 159.35(5)(c) (c) Discussion of the rationale for functional spaces during the walk-through.

DHS 159.35(6) (6) Personal protective equipment. The use of personal protective equipment, including all of the following:

DHS 159.35(6)(a) (a) Classes and characteristics of respirators, including respirator protection factors.

DHS 159.35(6)(b) (b) Limitations of respirators.

DHS 159.35(6)(c) (c) Proper respirator selection, inspection, donning, use, maintenance, and storage procedures.

DHS 159.35(6)(d) (d) Selection of cartridges.

DHS 159.35(6)(e) (e) Methods for field testing of the facepiece-to-face seal, including positive and negative pressure fit checks.

DHS 159.35(6)(f) (f) Qualitative and quantitative fit testing procedures.

DHS 159.35(6)(g) (g) Variability between field and laboratory protection and factors that alter respirator fit, such as facial hair.

DHS 159.35(6)(h) (h) Components of a proper respiratory protection program and employer responsibilities.

DHS 159.35(6)(i) (i) Selection and use of disposable and non-disposable personal protective clothing.

DHS 159.35(6)(j) (j) Regulations covering personal protective equipment.

DHS 159.35(7) (7) Other safety hazards. Additional safety hazards encountered during abatement activities and how to deal with them, including all of the following:

DHS 159.35(7)(a) (a) Electrical hazards.

DHS 159.35(7)(b) (b) Heat stress.

DHS 159.35(7)(c) (c) Air contaminants other than asbestos.

DHS 159.35(7)(d) (d) Fire and explosion hazards.

DHS 159.35(7)(e) (e) Scaffold and ladder hazards.

DHS 159.35(7)(f) (f) Slips, trips and falls.

DHS 159.35(7)(g) (g) Confined spaces.

DHS 159.35(8) (8) Controlling airborne asbestos fibers. Fiber aerodynamics and control, including all of the following:

DHS 159.35(8)(a) (a) Aerodynamic characteristics of asbestos fibers.

DHS 159.35(8)(b) (b) Importance of proper containment barriers.

DHS 159.35(8)(c) (c) Settling time for asbestos fibers.

DHS 159.35(8)(d) (d) Wet methods in abatement.

DHS 159.35(8)(e) (e) Aggressive air monitoring following abatement.

DHS 159.35(8)(f) (f) Aggressive air movement and negative pressure exhaust ventilation as a clean-up method.

DHS 159.35(9) (9) Designing abatement solutions. Designing abatement projects, including a discussion of removal, enclosure and encapsulation methods and asbestos waste disposal.

DHS 159.35(10) (10) Occupied buildings. Designing asbestos abatement activities for occupied structures, including all of the following:

DHS 159.35(10)(a) (a) Special design procedures required in occupied structures.

DHS 159.35(10)(b) (b) Education of occupants.

DHS 159.35(10)(c) (c) Extra monitoring recommendations.

DHS 159.35(10)(d) (d) Staging of work to minimize occupant exposure.

DHS 159.35(10)(e) (e) Scheduling of renovation to minimize exposure.

DHS 159.35(11) (11) Final clearance. Final clearance process, including all of the following:

DHS 159.35(11)(a) (a) Discussion of the need for a written sampling rationale for aggressive final air clearance.

DHS 159.35(11)(b) (b) Requirements of a complete visual inspection.

DHS 159.35(11)(c) (c) The relationship of the visual inspection to final air clearance.

DHS 159.35(11)(d) (d) Recommended use of transmission electron microscopy in air clearance.

DHS 159.35(11)(e) (e) Sample analysis recommended by EPA be performed by laboratories accredited by the National Institute of Standards and Technology’s (NIST) National Voluntary Laboratory Accreditation Program (NVLAP).

DHS 159.35(12) (12) Cost estimation. Budgeting and cost estimation for asbestos management and abatement projects, including all of the following:

DHS 159.35(12)(a) (a) Developing cost estimates.

DHS 159.35(12)(b) (b) Present cost of abatement versus future operations and maintenance costs.

DHS 159.35(12)(c) (c) Setting priorities for abatement jobs to reduce cost.

DHS 159.35(13) (13) Abatement specifications. Writing abatement specifications, including all of the following:

DHS 159.35(13)(a) (a) Preparation of and the need for written project design.

DHS 159.35(13)(b) (b) Means and methods specifications versus performance specifications.

DHS 159.35(13)(c) (c) Design of abatement in occupied structures.

DHS 159.35(13)(d) (d) Modification of guide specifications for a particular structure.

DHS 159.35(13)(e) (e) Worker and occupant health and medical considerations.

DHS 159.35(13)(f) (f) Replacement of asbestos-containing materials with non-asbestos substitutes.

DHS 159.35(13)(g) (g) Hands-on skills training and practice to include: Developing a written abatement design and specifications for an occupied structure with a combination of friable and non-friable asbestos, including site considerations, containment, abatement methods, safety issues, clean-up and clearance.

DHS 159.35(14) (14) Abatement drawings. Preparing abatement drawings, including all of the following:

DHS 159.35(14)(a) (a) The significance and need for drawings.

DHS 159.35(14)(b) (b) Use of as-built drawings as base drawings.

DHS 159.35(14)(c) (c) Use of inspection photographs and on-site reports.

DHS 159.35(14)(d) (d) Methods of preparing abatement drawings.

DHS 159.35(14)(e) (e) Diagramming containment barriers.

DHS 159.35(14)(f) (f) Relationship of drawings to design specifications.

DHS 159.35(14)(g) (g) Particular problems related to abatement drawings.

DHS 159.35(15) (15) Contracts. Contract preparation and administration.

DHS 159.35(16) (16) Legal issues and insurance. Insurance and legal liabilities of project designers, including all of the following:

DHS 159.35(16)(a) (a) Liability, including tort, regulatory and contractual law.

DHS 159.35(16)(b) (b) Insurance considerations for the project designer including claims made and occurrence policies, comprehensive general liabilities policies, environmental and pollution liability policy coverage and exclusions, use of abatement contractor’s liability insurance, and hold harmless clauses.

DHS 159.35(16)(c) (c) Bonding issues.

DHS 159.35(17) (17) Role of other consultants. Roles other consultants may perform in developing and designing abatement projects, including the following: