CDS Building Codes & Standards 5

Question 1

Under EPA's NESHAP for asbestos, the threshold quantity of friable asbestos-containing material that triggers full regulatory compliance during demolition is:

Accepted Answer

260 linear feet or 160 square feet

Answer

EPA NESHAP 40 CFR 61.145 specifies that facilities with 260+ linear feet of pipe insulation or 160+ square feet of other RACM trigger full asbestos demolition regulations.

Question 2

When a historic structure is being partially demolished, which code requires consultation with the State Historic Preservation Officer (SHPO) before work begins?

Accepted Answer

36 CFR Part 800 (Section 106 Process)

Answer

36 CFR Part 800 implements Section 106 of the National Historic Preservation Act, requiring federal undertaking review and SHPO consultation before demolition of historic properties.

Question 3

OSHA 29 CFR 1926.860 requires that floor openings created during demolition be guarded with covers capable of supporting a minimum load of:

Accepted Answer

Two times the maximum intended load

Answer

OSHA 1926.860 requires floor opening covers to support at least twice the weight of the equipment, material, or employees likely to cross them.

Question 4

Under RCRA (Resource Conservation and Recovery Act), demolition debris from a commercial structure is classified as which waste type by default?

Accepted Answer

Solid waste subject to state landfill regulations

Answer

RCRA classifies standard demolition debris as solid waste, which is regulated at the state level and subject to applicable landfill acceptance requirements.

Question 5

Which OSHA standard requires that a competent person inspect all shoring systems supporting adjacent structures during demolition at minimum:

Accepted Answer

Daily before work begins

Answer

OSHA requires a competent person to inspect shoring and bracing systems daily before work begins to identify any deterioration or movement overnight.

(CDS) Certified Demolition Supervisor Practice Test

(CDS) Certified Demolition Supervisor Practice Test

CDS Building Codes & Standards 5