1、11-10 23 05 51 - 1 SECTION 23 05 51 NOISE AND VIBRATION CONTROL FOR BOILER PLANT SPEC WRITER NOTE: Delete between /_ / if not applicable to project. Also delete any other item or paragraph not applicable in the Section and renumber the paragraphs. PART 1 - GENERAL 1.1 DESCRIPTION This section specif
2、ies the application of noise and vibration control techniques to boiler plant rotating equipment including pumps, fans, compressors, motors and steam turbines. 1.2 RELATED WORK A. Section 23 05 10, COMMON WORK RESULTS FOR BOILER PLANT and STEAM GENERATION B. Section 23 21 11, BOILER PLANT PIPING SYS
3、TEMS: Vibration isolators C. Section 23 08 11, DEMONSTRATIONS and TESTS FOR BOILER PLANT D. Section 13 05 41, SIESMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL COMPONENTS E. Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS. Requirements for commissioning, systems readiness checklists, and training 1.
4、3 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and SAMPLES. B. Noise and Vibration Control Devices; include with the equipment submittals. 1.4 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced
5、. The publications are referenced in the text by basic designation only. B. American Boiler Manufacturers Association (ABMA): ABMA-BOILER 304-1995Measurement of Sound from Steam Generators PART 2 PRODUCTS (NOT USED) PART 3 - EXECUTION 3.1 BALANCING AND ALIGNMENT OF ROTATING EQUIPMENT Statically and
6、dynamically balance all pumps, fans, compressors and drivers. Align shafts of pumps, fans, and drivers to limit noise and vibration to specified values. Level and anchor equipment as necessary to achieve and maintain alignment. Provided by IHSNot for ResaleNo reproduction or networking permitted wit
7、hout license from IHS-,-,-11-10 23 05 51 - 2 3.2 VIBRATION TESTS ON ROTATING EQUIPMENT A. Perform vibration tests on all pumps, fans, compressors and drivers during the pretest of the equipment. Refer to Section 23 08 11, DEMONSTRATIONS AND TESTS FOR BOILER PLANT. Tests shall be conducted by an expe
8、rienced technician in the presence of the Resident Engineer (RE). B. Perform tests at each bearing in axial, horizontal, and vertical positions. C. RMS vibration velocity shall not exceed 0.0025 m/s (0.10-inch per second). Correct the cause of excessive vibration and provide retest. D. Test instrume
9、nts furnished by contractor: 1. Portable, with output capability to print data. 2. Frequency range, 600-150,000 CPM minimum. 3. Amplitude range, 2.54 m/s (0-l00 inches per second). 4. Sensitivity, 0.00013 m/s (0.005-inch per second). 5. Frequency filter “out“ for tests. E. Submit tabulated vibration
10、 readings to the RE. 3.3 SOUND LEVELS A. Sound level limitations apply to all burners, fans, blowers, pumps, compressors, control valves, pressure reducing valves, motors, turbines. B. Sound levels shall not exceed 85 DBA when measured 1400 mm (4.5-feet) above the floor and 910 mm (3-feet) horizonta
11、lly from each surface of the smallest imaginary rectangular box which could completely enclose the entire unit which contains the sound source. Sound level limitations apply to the operation of the equipment at all loads within the equipment requirements. C. Tests will be performed by the Government
12、 using a standard sound level meter on the “A“ scale, slow response. At the option and expense of the Government, a testing company may be employed to conduct tests using methods conforming to the referenced ABMA publication. D. If sound levels exceed requirements, modify or replace the equipment as
13、 necessary to achieve required sound levels and other specified requirements. 1. Submit all proposed modifications or replacements for review prior to starting the work. 2. After completing the work, provide complete retest of equipment operation and performance. 3.4 COMMISSIONING A. Provide commiss
14、ioning documentation in accordance with the requirements of section 23 08 00 COMMISSIONING OF HVAC SYSTEMS for all inspection, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-10 23 05 51 - 3 start up, and contractor testing required above and requ
15、ired by the System Readiness Checklist provided by the Commissioning Agent. B. Components provided under this section of the specification will be tested as part of a larger system. Refer to section 23 08 00 COMMISSIONING OF HVAC SYSTEMS and related sections for contractor responsibilities for system commissioning. - - - E N D - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
