1、*USACE / NAVFAC / AFCESA / NASA UFGS-23 37 23.00 40 (April 2008)-Preparing Activity: NASA SupersedingUFGS-23 37 23.00 40 (July 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated March 2008*SECTION TABLE OF CONTENTSDIVISION 23 - HEATING, VENTILATING, AND AIR CONDI
2、TIONINGSECTION 23 37 23.00 40HVAC GRAVITY VENTILATORS04/08PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.3 GENERAL REQUIREMENTSPART 2 PRODUCTS2.1 DESIGN AND FABRICATION REQUIREMENTS2.1.1 Design2.1.2 Fabrication2.2 VENTILATOR TYPE2.2.1 Round, Industrial, Stationary2.2.2 Square, Stationary2.2.3 Heat Valv
3、e Stationary2.2.4 Round, Commercial, Stationary2.2.5 Square, Commercial, Stationary2.2.6 Rotating Head2.2.7 Turbine-Head2.3 CAPACITY RATING2.4 MATERIALS2.4.1 Aluminum Alloy2.4.2 Zinc-Coated Steel2.4.3 Fibrous Glass2.5 BASES2.6 ROOF CURBS2.7 DAMPERS2.8 SCREENSPART 3 EXECUTION3.1 INSTALLATION3.2 TESTS
4、3.3 LUBRICATION3.4 OPERATION AND MAINTENANCESECTION 23 37 23.00 40 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- End of Section Table of Contents -SECTION 23 37 23.00 40 Page 2Provided by IHSNot for ResaleNo reproduction or networking permit
5、ted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-23 37 23.00 40 (April 2008)-Preparing Activity: NASA SupersedingUFGS-23 37 23.00 40 (July 2007)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated March 2008*SECTION 23 37 23.00 40HVAC GRAVITY VENTIL
6、ATORS04/08*NOTE: This specification covers the requirements for stationary, turbine, and oscillating-head type gravity roof ventilators.Drawings should indicate and schedule location, size, type, configuration, and damper and screen requirements.Edit this guide specification for project specific req
7、uirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments and suggestions on this guide specification are welc
8、ome and should be directed to the technical proponent of the specification. A listing of technical proponents, including their organization designation and telephone number, is on the Internet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).*PART 1 GENERAL1.1 REF
9、ERENCES*NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feat
10、ure when you add a RID outside of the Sections SECTION 23 37 23.00 40 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizards Check Referenc
11、e feature to update the issue dates.References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in the publish print process.*The publications listed below form a part of this specification to the extent referen
12、ced. The publications are referred to within the text by the basic designation only.AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE)ASCE 7 (2005; Supp 1) Minimum Design Loads for Buildings and Other StructuresAMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS (ASHRAE)ASHRAE FUN IP (
13、2005) Fundamentals Handbook, I-P EditionASHRAE FUN SI (2005) Fundamentals Handbook, SI EditionASTM INTERNATIONAL (ASTM)ASTM A 123/A 123M (2002) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel ProductsASTM B 209 (2007) Standard Specification for Aluminum and Aluminum-A
14、lloy Sheet and PlateASTM B 209M (2007) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric)U.S. GENERAL SERVICES ADMINISTRATION (GSA)FS FF-B-171 (Rev A; Am 1) Bearings, Ball, Annular (General Purpose)FS FF-B-185 (Am 4) Bearings, Roller, Cylindrical; and Bearings, Roller, S
15、elf and Aligning1.2 SUBMITTALS*NOTE: Review Submittal Description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project. Submittals should be kept to the minimum required for adequate quality control.A “G” follow
16、ing a submittal item indicates that the submittal requires Government approval. Some submittals are already marked with a “G”. Only SECTION 23 37 23.00 40 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-delete an existing “G” if the submittal i
17、tem is not complex and can be reviewed through the Contractors Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal t
18、ags may be used following the “G“ designation to indicate the approving authority. Codes for Army projects using the Resident Management System (RMS) are: “AE“ for Architect-Engineer; “DO“ for District Office (Engineering Division or other organization in the District Office); “AO“ for Area Office;
19、“RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typically are not used for Navy, Air Force, and NASA projects.Choose the first bracketed item for Navy, Air Force and NASA projects, or choose the second bracketed item for Army projects.*Government approval is required f
20、or submittals with a “G“ designation; submittals not having a “G“ designation are for Contractor Quality Control approval.for information only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Government. Submit the following in acco
21、rdance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-01 Preconstruction SubmittalsMaterial, Equipment, and Fixture Lists shall be submitted in accordance with paragraph entitled, “General Requirements,“ of this section.SD-02 Shop DrawingsFabrication Drawings shall be submitted for gravity roof venti
22、lator systems in accordance with paragraph entitled, “Design and Fabrication Requirements,“ of this section.Installation Drawings shall be submitted for gravity roof ventilator systems in accordance with the paragraph entitled, “Installation,“ of this section. Drawings shall indicate overall physica
23、l features, dimensions, ratings, service requirements, and equipment weights.SD-03 Product DataEquipment and Performance Data shall be submitted for gravity roof ventilator systems in accordance with paragraph entitled, “Design and Fabrication Requirements,“ of this section.Manufacturers catalog dat
24、a shall be submitted for the following items:VentilatorsSECTION 23 37 23.00 40 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BasesCurbsDampersScreensSD-04 SamplesManufacturers Standard Color Chart shall be submitted in accordance with paragra
25、ph entitled, “Design and Fabrication Requirements,“ of this section.SD-06 Test ReportsTest reports shall be submitted for leakage tests in accordance with the paragraph entitled, “Tests,“ of this section.SD-07 CertificatesListing of Product Installations shall be submitted for gravity roof ventilato
26、r systems in accordance with paragraph entitled, “Installation,“ of this section.Certificates shall be submitted for following items showing conformance with the referenced standards contained in this section.VentilatorsBasesCurbsDampersScreensSD-10 Operation and Maintenance DataOperation and Mainte
27、nance Manuals shall be submitted in accordance with paragraph entitled, “Operation and Maintenance,“ of this section.1.3 GENERAL REQUIREMENTS*NOTE: If Section 23 00 00.00 40 HEATING, VENTILATING, AND AIR-CONDITIONING,“ is not included in the project specification, applicable requirements therefrom s
28、hould be inserted and the following paragraph deleted. If Section 23 05 48 VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT is not included in the project specification, applicable requirements therefrom should be inserted and the second paragraph deleted.*Section 23 00 00.00 40 HEATING,
29、 VENTILATING, AND AIR-CONDITIONING applies to work specified in this section.Section 23 05 48 VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT applies to work specified in this section.Material, Equipment, and Fixture Lists shall be submitted including SECTION 23 37 23.00 40 Page 6Provid
30、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-manufacturers style or catalog numbers, specification and drawing reference numbers, warranty information, and fabrication site.PART 2 PRODUCTS2.1 DESIGN AND FABRICATION REQUIREMENTS*NOTE: Edit to retain the
31、features required.*Roof ventilators shall be of the sizes indicated and shall be furnished complete with bases, curbs, flashing flanges, dampers and damper controls, louvers, and screens.Equipment and Performance Data shall be submitted for gravity roof ventilator systems consisting of use life, sys
32、tem functional flows, safety features, and mechanical automated details. Curves indicating tested and certified equipment responses and performance characteristics shall also be submitted.Fabrication Drawings shall be submitted for gravity roof ventilator systems consisting of fabrication and assemb
33、ly details to be performed in the factory.Manufacturers Standard Color Chart shall indicate the manufacturers standard color selections and finishes for gravity roof ventilators.2.1.1 DesignVentilators shall be weatherproof and shall be free from backdraft except for interior negative pressure. Vent
34、ilators shall be self-cleaning by the action of the elements, with provision for carrying water and normal wind-transported matter to the outside.*NOTE: Retain only the types required.*Turbine and oscillating-head ventilators shall rotate automatically with any change in wind direction without bindi
35、ng and shall be accurately balanced with permanently lubricated bearings designed to ensure quiet operation. Bearings shall be bronze or corrosion-resistant steel conforming to FS FF-B-171 for ball bearings and to FS FF-B-185 for roller bearings of type, class and grade required.*NOTE: Modify windlo
36、ading requirements as required.*Ventilators shall be designed for windloads in accordance with ASCE 7, and in no case shall the installed design be for less than 130 kilometer 80 miles per hour windload. Structural bracing shall be properly spaced to accommodate this loading and in accordance with t
37、he design requirements of the covering material.*NOTE: Retain the following paragraph only if ridge type ventilators are required.SECTION 23 37 23.00 40 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*Ridge type ventilators shall be equipped w
38、ith wind jump diaphragms spaced at each structural frame to afford efficient ventilation regardless of wind direction.2.1.2 FabricationVentilators shall be reinforced and braced with properly formed joints. Edges shall be wired or beaded, where necessary, to ensure rigidity. Galvanic action between
39、dissimilar metals shall be prevented by nonconductive separators. Soldering shall be even and smooth.*NOTE: Retain the following paragraph only if protected metal is required.*Bolts, rivets, and other fastenings used in connection with protected metal shall be corrosion-resistant steel.*NOTE: Retain
40、 the following paragraph only if ridge ventilators are required.*Ridge ventilators shall be constructed in sections suitable for shipment and installation. Joints between sections shall be waterproof and shall allow for expansion and contraction. Suitable end fittings shall be provided for each cont
41、inuous run of ventilator.2.2 VENTILATOR TYPEVentilator framing shall be the same material as the hood or a compatible material.*NOTE: Retain only required types. Drawings must indicate each required type.*2.2.1 Round, Industrial, StationaryType RIS-GRV ventilator shall be round, industrial appearanc
42、e, low-profile, metal, stationary, gravity ventilator, mounted on square-to-round base designed to match roof slope and roof panel configuration. Ventilators shall be fabricated of sheet metal with rib-reinforced metal throat, baffle ring and circular wind band, a reinforced cone-shaped rain cap, and solid sheet metal vertical bracing. Edges shall be beaded and reinforced.2.2.2 Square, StationaryType SS-GRV ventilator shall be a square or rectang
