Code of Massachusetts Regulations
522 CMR - BOARD OF BOILER RULES
Title 522 CMR 2.00 - Power Boilers
Section 2.03 - Construction

Universal Citation: 522 MA Code of Regs 522.2

Current through Register 1531, September 27, 2024

(1) Heat Recovery Steam Generators (HRSGs). All heat recovery steam generators built after May 1, 2000, shall be built to the ASME Boiler and Pressure Vessel Code Section I, Rules for Construction of Power Boilers adopted at the time of installation.

(2) Restrictions, Dual Pressure Controls, Bypass Switches.

(a) Steam Boilers under 522 CMR 2.03 are prohibited from having any device that enables the Boiler to operate at a pressure less than 10% of its normal operating pressure. Dual pressure controls or any similar device are prohibited from use on all steam Boilers operating above 15 PSIG.

(b) Manual devices and switches that allow the bypass of any safety control are prohibited unless such device or switch is provided with a "dead-man" capability that ensures that the Operator is present and responsible when the device or switch is in use. No such device or switch shall have the capability to fail in the closed position.

(3) Remote Monitoring Systems. When remote monitoring systems on Steam Boilers are in use, they shall monitor, but not be limited to: steam pressure, and water level, and include a remote shut down switch. All remote monitoring systems must be installed with uninterruptible system signals and include visible alarms and annunciators.

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