Code of Maryland Regulations
Title 09 - MARYLAND DEPARTMENT OF LABOR
Subtitle 17 - BOARD OF STATIONARY ENGINEERS
Chapter 09.17.02 - Computerized Monitoring System
Section 09.17.02.04 - Monitors and Indicators

Universal Citation: MD Code Reg 09.17.02.04

Current through Register Vol. 51, No. 19, September 20, 2024

A. For a boiler, a computerized monitoring system shall qualify as a "24-hour computerized monitoring system and automatic controls," in accordance with Business Occupations and Professions Article, Title 6.5, Annotated Code of Maryland, if it meets the requirements of this regulation.

B. For a boiler operating at 30 to 299 horsepower, the system shall monitor and indicate:

(1) Stack flue gas temperature;

(2) Burner status, including "on" and "off" indicators;

(3) Flame safety control status, including "normal" and "flame failure" indicators; and

(4) One of the following, as applicable:
(a) For steam boilers:
(i) Pressure; and

(ii) Water level; or

(b) For hot water boilers, temperature.

C. For a boiler operating at 300 horsepower or more, the system shall monitor, indicate, and record:

(1) Stack flue gas temperature;

(2) Burner status, including "on" and "off" indicators;

(3) Flame safety control status, including "normal" and "flame failure" indicators; and

(4) One of the following, as applicable:
(a) For steam boilers:
(i) Pressure; and

(ii) Water level; or

(b) For hot water boilers:
(i) Pressure; and

(ii) Temperature.

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