Boiler Safety Act, S.C. Code Title 41, Ch. 14; Boiler Safety Program regulations, S.C. Code Regs. Ch. 71, Art. 9100. Enforced by SC LLR Boiler Safety Program; state and commissioned special (insurance-company) inspectors. Checked on the primary source; the state record was last reviewed 2026-11-12.
Power and HP/HT boilers: annual internal inspection (some HP/HT eligible for three-year cycle under Reg. 71-9102(B)(1)). Low-pressure steam: biennial external, internal every four years where possible. Hot water: biennial external. Reports due within 90 days; two-month grace period.
Source: primary document
Statewide layer. County and city amendments sit on top; confirm the local office for the address.
In force; no pending rule change found
There is no federal boiler certificate; the state program below is the whole obligation, with the ASME Boiler and Pressure Vessel Code and the National Board Inspection Code as the referenced standards.
These apply when the building has the equipment or fits the type named. The frequency is the standard one; your local official can set a stricter one, so confirm it for the address.
Boiler Safety Act, S.C. Code Title 41, Ch. 14; Boiler Safety Program regulations, S.C. Code Regs. Ch. 71, Art. 9100. Power and HP/HT boilers: annual internal inspection (some HP/HT eligible for three-year cycle under Reg. 71-9102(B)(1)). Low-pressure steam: biennial external, internal every four years where possible. Hot water: biennial external. Reports due within 90 days; two-month grace period.
SC LLR Boiler Safety Program; state and commissioned special (insurance-company) inspectors.
Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.
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