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Minnesota Administrative Rules

4620.3568 CONTAINMENT.

Subpart 1.

General.

The containment must be constructed to separate and isolate the containment area from the rest of the building and the outdoors. The containment must be airtight and leakproof.

Subp. 2.

Floor sheeting.

Floor sheeting must be placed over the entire floor as part of the containment.

A.

Floor sheeting must consist of at least two layers of six-mil polyethylene plastic sheeting or comparable material.

B.

For the first layer, enough area for overlap with the wall sheeting must be provided to maintain an airtight and leakproof seal for the containment.

C.

For the second layer, the sheeting must extend 12 inches beyond the wall or floor joints.

D.

Floor sheeting must be sized to minimize seams.

E.

The floor must have no seams at wall and floor joints.

Subp. 3.

Wall sheeting.

Wall sheeting must be placed over the entire wall. Wall sheeting must:

A.

consist of at least one layer of four-mil polyethylene plastic sheeting;

B.

provide enough area for overlap with the other wall or floor sheeting to maintain an airtight and leakproof seal for the containment;

C.

be sized to minimize seams;

D.

extend to the deck area or floor joists;

E.

not have seams located at wall and floor joints; and

F.

have a 12-inch by 12-inch clear viewing window, where feasible, to allow for a view of the work area if the polyethylene plastic sheeting is not clear.

Subp. 4.

Freestanding containment walls and freestanding containments.

Freestanding containment walls and freestanding containments must:

A.

have floor sheeting that complies with subpart 2;

B.

have interior wall sheeting that complies with subpart 3;

C.

have the frame painted with a nonporous paint if the framing materials used for a freestanding wall or containment are made of a porous material such as wood, unless the framing materials are covered with polyethylene sheeting or the framing materials are disposed of as asbestos waste at the end of the project; and

D.

have interior ceiling sheeting that consists of one layer of four-mil polyethylene plastic sheeting and is securely fastened to provide an airtight, leakproof containment if containment walls do not abut the ceiling.

Subp. 5.

Posting asbestos work area.

During asbestos-related work, warning signs must be displayed at all approaches to the asbestos work area. The sign must state: "DANGER. ASBESTOS CANCER AND LUNG DISEASE HAZARD. AUTHORIZED PERSONNEL ONLY. RESPIRATORS AND PROTECTIVE CLOTHING ARE REQUIRED IN THIS AREA."

Statutory Authority:

MS s 144.05; 326.70 to 326.81

History:

20 SR 2765

Published Electronically:

June 3, 2013

700 State Office Building, 100 Rev. Dr. Martin Luther King Jr. Blvd., St. Paul, MN 55155 ♦ Phone: (651) 296-2868 ♦ TTY: 1-800-627-3529 ♦ Fax: (651) 296-0569