VA 23 05 10-2010 COMMON WORK RESULTS FOR BOILER PLANT AND STEAM GENERATION.pdf

1、11-10 23 05 10 - 1 SECTION 23 05 10 COMMON WORK RESULTS FOR BOILER PLANT AND STEAM GENERATION SPEC WRITER NOTES: 1. Delete between /-/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. 2. References to pressure in this se

2、ction are gage pressure unless otherwise noted. 3. The spec writer shall review the Physical Security Design Manual for VA Facilities to determine and include in this section any Mission Critical or Life Safety requirements called out. PART 1 - GENERAL 1.1 DESCRIPTION A. The requirements of this Sec

3、tion apply to all sections of Division 23 related to boiler plant and steam generation. B. Definitions: 1. Exposed: Piping, ductwork, and equipment exposed to view in finished rooms. 2. Option or optional: Contractors choice of an alternate material or method. 3. RE: Resident Engineer 1.2 RELATED WO

4、RK A. Section 00 72 00, GENERAL CONDITIONS. B. Section 01 00 00, GENERAL REQUIREMENTS. C. Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, and SAMPLES. /D. Section 02 65 00, UNDERGROUND STORAGE TANK REMOVAL./ /E. Section 02 82 11, TRADITIONAL ASBESTOS ABATEMENT. / /F. Section 31 20 00, EARTH MOVING: E

5、xcavation and Backfill / G. Section 03 30 00, CAST-IN-PLACE CONCRETE: Concrete and Grout. H. Section 05 31 00, STEEL DECKING, / and Section 05 36 00, COMPOSITE METAL DECKING: Building Components for Attachment of Hangers. / I. Section 05 50 00, METAL FABRICATIONS. J. Section 07 84 00, FIRESTOPPING.

6、K. Section 07 60 00, FLASHING AND SHEET METAL: Flashing for Wall and Roof Penetrations. L. Section 07 92 00, JOINT SEALANTS. M. Section 09 91 00, PAINTING. /N. Section 13 05 41, SEISMIC RESTRAINT REQUIREMENTS FOR NON-STRUCTURAL COMPONENTS./ Provided by IHSNot for ResaleNo reproduction or networking

7、permitted without license from IHS-,-,-11-10 23 05 10 - 2 O. Section 23 05 12, GENERAL MOTOR REQUIREMENTS FOR HVAC and STEAM GENERATION. P. Section 23 05 51, NOISE AND VIBRATION CONTROL FOR BOILER PLANT. Q. Section 23 05 93, TESTING, ADJUSTING, and BALANCING FOR HVAC. R. Section 23 07 11, HVAC, PLUM

8、BING, and BOILER PLANT INSULATION. S. Section 23 08 11, DEMONSTRATIONS and TESTS FOR BOILER PLANT. T. Section 23 09 11, INSTRUMENTATION and CONTROL FOR BOILER PLANT. U. Section 23 09 23, DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC. V. Section 23 10 00, FACILITY FUEL SYSTEMS. W. Section 23 11 23, FACILITY

9、 NATURAL-GAS PIPING. X. Section 23 21 11, BOILER PLANT PIPING SYSTEMS. Y. Section 23 50 11, BOILER PLANT MECHANICAL EQUIPMENT. Z. Section 23 51 00, BREECHINGS, CHIMNEYS, and STACKS. AA. Section 23 52 25, LOW-PRESSURE WATER HEATING BOILERS. BB. Section 23 52 33, WATER-TUBE BOILERS. CC. Section 23 52

10、39, FIRE-TUBE BOILERS. DD. Section 23 08 00, COMMISSIONING OF HVAC SYSTEMS: Requirements for commissioning, systems readiness checklists, and training. EE. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS FF. Section 26 29 11, LOW-VOLTAGE MOTOR STARTERS. 1.3 QUALITY ASSURANCE A. Mechanica

11、l, electrical and associated systems shall be safe, reliable, efficient, durable, easily and safely operable and maintainable, easily and safely accessible, and in compliance with applicable codes as specified. The systems shall be comprised of high quality institutional-class and industrial-class p

12、roducts of manufacturers that are experienced specialists in the required product lines. All construction firms and personnel shall be experienced and qualified specialists in industrial and institutional HVAC or steam boiler plant construction, as applicable. B. Flow Rate Tolerance for HVAC Equipme

13、nt: Section 23 05 93, TESTING, ADJUSTING, AND BALANCING FOR HVAC. C. Equipment Vibration Tolerance: 1. Refer to Section 23 05 51, NOISE AND VIBRATION CONTROL FOR BOILER PLANT. Equipment shall be factory-balanced to this tolerance and re-balanced on site, as necessary. D. Products Criteria: 1. Standa

14、rd Products: Material and equipment shall be the standard products of a manufacturer regularly engaged in the manufacture of the products for at least 3 years (or longer as specified elsewhere). The design, model and size of each item shall have been in Provided by IHSNot for ResaleNo reproduction o

15、r networking permitted without license from IHS-,-,-11-10 23 05 10 - 3 satisfactory and efficient operation on at least three installations for approximately three years. However, digital electronics devices, software and systems such as controls, instruments, computer work station, shall be the cur

16、rent generation of technology and basic design that has a proven satisfactory service record of at least three years. See other specification sections for any exceptions and/or additional requirements. 2. Refer to Section 23 09 11, INSTRUMENTATION AND CONTROL FOR BOILER PLANT, for quality assurance

17、requirements for boiler plant computer workstation software. 3. All items furnished shall be free from defects that would adversely affect the performance, maintainability and appearance of individual components and overall assembly. 4. Conform to codes and standards as required by the specification

18、s. Conform to local codes, if required by local authorities such as the natural gas supplier, if the local codes are more stringent then those specified. Refer any conflicts to the Resident Engineer (RE). 5. Multiple Units: When two or more units of materials or equipment of the same type or class a

19、re required, these units shall be products of one manufacturer. 6. Assembled Units: Manufacturers of equipment assemblies, which use components made by others, assume complete responsibility for the final assembled product. 7. Nameplates: Nameplate bearing manufacturers name or identifiable trademar

20、k shall be securely affixed in a conspicuous place on equipment, or name or trademark cast integrally with equipment, stamped or otherwise permanently marked on each item of equipment. 8. Asbestos products or equipment or materials containing asbestos shall not be used. E. Equipment Service Organiza

21、tions: 1. Boiler Plants: Service organizations, authorized and trained by the manufacturers of the equipment supplied, shall be located within 100 miles of the project. These organizations shall come to the site and provide acceptable service to restore boiler plant operations within four hours of r

22、eceipt of notification by phone, e-mail or fax in event of an emergency, such as the shut-down of equipment; or within 24 hours in a non-emergency. Submit names, mail and e-mail addresses and phone numbers of service personnel and organizations providing service under these conditions for (as applic

23、able to the project): burners, burner control systems, boiler control systems, pumps, critical instrumentation, computer workstation and programming. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-10 23 05 10 - 4 F. Mechanical Systems Welding: Be

24、fore any welding is performed, contractor shall submit a certificate certifying that welders comply with the following requirements: 1. Qualify welding processes and operators for piping according to ASME “Boiler and Pressure Vessel Code“, Section IX, “Welding and Brazing Qualifications“. 2. Comply

25、with provisions of ASME B31 series “Code for Pressure Piping“. 3. Certify that each welder has passed American Welding Society (AWS) qualification tests for the welding processes involved, and that certification is current. G. Boiler Plant and Outside Steam Distribution Welding: Refer to Sections 23

26、 21 11, BOILER PLANT PIPING SYSTEMS, and 33 63 00, STEAM ENERGY DISTRIBUTION. H. Execution (Installation, Construction) Quality: 1. Apply and install all items in accordance with manufacturers written instructions. Refer conflicts between the manufacturers instructions and the contract drawings and

27、specifications to the Resident Engineer for resolution. Provide written hard copies or computer files of manufacturers installation instructions to the Resident Engineer at least two weeks prior to commencing installation of any item. Installation of the item will not be allowed to proceed until the

28、 recommendations are received. Failure to furnish these recommendations is a cause for rejection of the material. /SPEC WRITER NOTE: For boiler plant projects, Copy Par. “2” below onto the “MP” schedule sheet contract drawing./ 2. All items that require access, such as for operating, cleaning, servi

29、cing, maintenance, and calibration, shall be easily and safely accessible by persons standing at floor level, or standing on permanent platforms, without the use of portable ladders. Examples of these items include, but are not limited to: all types of valves, filters and strainers, transmitters, co

30、ntrol devices. Prior to commencing installation work, refer conflicts between this requirement and contract drawings to the Resident Engineer for resolution. 3. Provide complete layout drawings required by Paragraph, SUBMITTALS. Do not commence construction work on any system until the layout drawin

31、gs have been approved. I. Upon request by Government, provide lists of previous installations for selected items of equipment. Include contact persons who will serve as references, with telephone numbers and e-mail addresses. Provided by IHSNot for ResaleNo reproduction or networking permitted witho

32、ut license from IHS-,-,-11-10 23 05 10 - 5 1.4 SUBMITTALS A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES, and with requirements in the individual specification sections. B. Contractor shall make all necessary field measurements and investigations to assure th

33、at the equipment and assemblies will meet contract requirements. C. If equipment is submitted which differs in arrangement from that shown, provide drawings that show the rearrangement of all associated systems. Approval will be given only if all features of the equipment and associated systems, inc

34、luding accessibility, are equivalent to that required by the contract. D. Prior to submitting shop drawings for approval, contractor shall certify in writing that manufacturers of all major items of equipment have each reviewed drawings and specifications, and have jointly coordinated and properly i

35、ntegrated their equipment and controls to provide a complete and efficient installation. E. Submittals and shop drawings for interdependent items, containing applicable descriptive information, shall be furnished together and complete in a group. Coordinate and properly integrate materials and equip

36、ment in each group to provide a completely compatible and efficient installation. Final review and approvals will be made only by groups. F. Submittal “Groups“ for boiler plant work are defined in the following checklist: 1. Group I (Burner Fuel Oil Tank Systems): a. Oil tanks and accessories. b. Ta

37、nk oil level instrumentation systems. c. Leak detection systems. d. Tank oil heater, temperature control valves, steam traps. 2. Group II (Burner Fuel Oil Systems): a. Fuel oil pumping system. b. Pressure control and relief valves. 3. Group III: Boilers, burners including forced draft fan and motor

38、controls, boiler accessories (trim), fuel valve trains, atomizing media valve trains, economizers and accessories (when provided), stacks and breeching. 4. Group IV (Boiler/Burner Controls and Boiler Plant Controls and Instrumentation): Boiler control system, burner management (flame safeguard) syst

39、ems (may be included with Group III), flow measuring systems, control and instrument panels and accessories, feedwater deaerator and condensate storage tank water level control systems, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-10 23 05 10 -

40、 6 instruments and accessories, computer workstation and software, instrumentation, tools. 5. Group V (Condensate Storage): a. Condensate storage tank and accessories. b. Concrete foundation and anchorage. 6. Group VI (Condensate Transfer and Feedwater System): a. Condensate transfer pumps, motors,

41、accessories. b. Water level control valves for feedwater deaerator. c. Feedwater deaerator and storage tank and accessories. d. Boiler feed pumps, couplings, motors, motor controls and accessories. e. Water level control valve at boilers as approved in Group III. 7. Group VII (Temporary Boiler Plant

42、 Equipment): a. Boilers. b. Burners. c. Controls. d. Instruments. e. Other Equipment. G. Ungrouped submittal items for boiler plants, which may be submitted individually, include, but are not limited to: 1. Pipe, valves and fittings identified as to service application. 2. Strainers. 3. Continuous b

43、low-off heat recovery system. 4. Emergency shut off valve - gas. 5. Safety valves and drip pan ells. 6. Temperature control valves, sensors. 7. Steam pressure reducing valves and pilots. 8. Continuous blow off control system, valves - boilers. 9. Sight flow indicators, oil and water. 10. Steam traps

44、 with orifice sizes and pressure ratings. 11. Steam exhaust silencer. 12. Thermometers and pressure gauges and accessories. 13. Chemical feeders. 14. Sample coolers. 15. Blowdown tank and accessories. 16. Gas pressure regulators, relief valves, and filters. 17. Flexible connectors, hose, braided. 18

45、. Dielectric fittings and unions. 19. Quick-couple hose fittings and steam hose. 20. Heating and ventilating equipment. 21. Condensate pump sets. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-11-10 23 05 10 - 7 22. Compressed air system. 23. Vibrat

46、ion isolators - air, water, oil. 24. Supports and braces for pipe, stacks, breeching; load, size, movement calculations. 25. Pressure gauge test kit. 26. Insulation, field-applied. 27. Boiler plant building dangerous gas detection system. /28. Seismic calculations and drawings indicating equipment a

47、nd piping anchoring, reinforcement and bracing. 29. Earthquake valves - gas. / SPEC WRITER NOTE: Include the paragraph below if samples are required for any specified items. /H. Samples: Samples will not be required, except for insulation or where materials offered differ from specification requirem

48、ents. Samples shall be accompanied by full description of characteristics different from specification. The Government, at the Governments expense, will perform evaluation and testing if necessary. The Contractor may submit samples of additional material at the Contractors option; however, if additi

49、onal samples of materials are submitted later, pursuant to Government request, adjustment in contract price and time will be made as provided under Article CHANGES of Section 00 72 00, GENERAL CONDITIONS./ SPEC WRITER NOTE: Include the paragraph below if mock-ups are required for any specified items. /I. Mock-ups: Mock-ups are required for critical items and typical component installations rep