UFC 3-320-07N CHANGE 2-2007 WEIGHT HANDLING EQUIPMENT.pdf

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1、UFC 3-320-07N 16 January 2004 Change 1, 15 May 2007 Editorial Change 2, 15 August 2007 UNIFIED FACILITIES CRITERIA (UFC) WEIGHT HANDLING EQUIPMENT APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC

2、 3-320-07N 16 January 2004 Change 1, 15 May 2007 Editorial Change 2, 15 August 2007 UNIFIED FACILITIES CRITERIA (UFC) WEIGHT HANDLING EQUIPMENT Any copyrighted material included in this UFC is identified at its point of use. Use of the copyrighted material apart from this UFC must have the permissio

3、n of the copyright holder. U.S. ARMY CORPS OF ENGINEERS NAVAL FACILITIES ENGINEERING COMMAND (Preparing Activity) AIR FORCE CIVIL ENGINEERING SUPPORT AGENCY Record of Changes (changes are not indicated by 1./1/) Change No. Date Location 1 15 May 2007 Revised front matter, tables of contents, FOREWOR

4、D and chapters to agree with UFC 1-300-01 format. Revised FOREWORD to clarify the source and scope of NAVCRANECENs authority Paragraph 1-2.1 Changed “older” to “existing”. Reworded the paragraph to agree with definitions of existing vice older and newer. Paragraph 1-2.3 Added paragraph to clarify ap

5、plicability to mobile cranes. Paragraph 1-5 Added paragraph to promote acceptance of crane industry innovations. Paragraph 2-1 Added “double girder” to improve the definition of OET cranes. Paragraph 2-1.1 Added current NAVCRANECEN policy specifying two full-length footwalks on OET cranes. Paragraph

6、 2-2 Added “bridge cranes” to clarify the definition of underrunning cranes Paragraph 2-2.2 Deleted two sentences with superfluous information. Added an acceptable end truck type. Paragraph 2-2.3 Added structural and mechanical design considerations for crossovers and transfer sections. Paragraph 2-

7、2.4 Added available CMAA #74 service classes and NAVCRANECEN policy of specifying Class C as a minimum. Updated referenced ASME standard and added NAVCRANECEN policy of specifying Class H3 as a minimum. Updated ASME i Provided by IHSNot for ResaleNo reproduction or networking permitted without licen

8、se from IHS-,-,-UFC 3-320-07N 16 January 2004 Change 1, 15 May 2007 Editorial Change 2, 15 August 2007 (formerly ANSI/ASME) and added ASME HST-4. Changed electric hoists to electric wire rope hoists for clarification. Paragraph 2-3 Clarified monorail cranes as a specialized subgroup of cantilever cr

9、anes. Paragraph 2-3.1 Expanded the general description of the cranes. Paragraph 2-3.1.1 Changed the title from “Stationary” to “Jib Cranes”. Added a statement about the commercial availability of jib cranes. Paragraph 2-3.1.2 Changed the title from “Traveling” to “Wall Cranes”. Revised the general d

10、escription of cranes for clarity. Paragraph 2-3.2 Revised the distinctive features for clarity. Paragraph 2-3.3 Added a listing of updated ASME performance standards for packaged hoists. Paragraph 2-4 a) and c) Revised for clarity. Paragraph 2-4.3 Changed “Pillar” to “Pedestal”. Paragraph 2-5.1.e) R

11、evised for clarity. Paragraph 2-7.3 Added name of publishing society. Paragraph 2-8 Added “bridge” for clarity. Paragraph 2-8.3 Updated referenced ASME standards. Section 3 Revised title for accuracy. Paragraph 3-1 Added “and packaged hoists.” Paragraph 3-1.2 Revised description of cranes for clarit

12、y. Paragraph 3-2 Referenced MH 27.1 and MH 27.2 for new beam installations. Paragraph 3-3 Added description of packaged hoists and applicable ASME performance standards. Paragraph 3-4 Revised the description of line hauling mechanisms and re-numbered the following three paragraphs. Paragraph 3-4.2 R

13、evised the description of windlasses for clarity. Paragraph 4.1.1.1 Revised the paragraph to incorporate current NAVCRANECEN policy on footwalks for OET cranes. Paragraph 4-1.6.1 Added paragraph to clarify drop lugs for trucks on trolleys. ii Provided by IHSNot for ResaleNo reproduction or networkin

14、g permitted without license from IHS-,-,-UFC 3-320-07N 16 January 2004 Change 1, 15 May 2007 Editorial Change 2, 15 August 2007 Paragraph 4.1.15 Expanded description of telescopic booms sections. Paragraph 4.1.22.1 Added new paragraph for glazing requirements. Paragraph 4.1.26 Added “(Footwalks)“ to

15、 title to indicate its interchangeability with “Walkways“. Referenced additional OSHA requirements. Added minor revisions for clarity. Paragraph 4.1.27 Minor revisions for clarity. Paragraph 4.1.29.1 Updated the referenced standard. Replaced ANSI A159.1 with SSPC-VIS 1 and SSPC-VIS 5. Paragraph 4.2.

16、6.1 Added optional use of welded threaded studs. Paragraph 4.2.7 Revised associated figure 16 to show bearing mounting bolts and support structure. Paragraph 4.2.7.1 Added details for bearing mounting orientation. Paragraph 4.2.9 Deleted reference to the structural integrity of the equalizer. Added

17、recommendation to use three-row roller bearings in lieu of thrust washers and bushings. Paragraph 4.2.10 Added minor revisions for clarity. Paragraph 4.2.11 Added minor requirements for fasteners and locking means. Noted that lockwashers may be retained during maintenance. Paragraph 4-3.1 Added mino

18、r clarifications. Paragraph 4-3.1.4 Revised the first subparagraph in its entirety for clarity. Clarified the location of the mechanical load brake and added minor editorial changes in second subparagraph. Paragraph 4-3.2 Added a clarification. Paragraph 4-3.2.1 Indicated the type and locations of b

19、rakes in the drive trains and noted the use of A-4 drives. Paragraph 4-3.2.3 Added minor clarification. Paragraph 4-3.2.4 Changed title for consistency. Paragraph 4-3.3 Added the word “Travel” to the title. Paragraph 4-3.4 Expanded description of brakes and their installation on vertical shafts. Par

20、agraph 4-3.5 Added statement about variable frequency drives at the beginning of the paragraph to indicate that microdrives are now largely obsolete. iii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-320-07N 16 January 2004 Change 1, 15 May 2

21、007 Editorial Change 2, 15 August 2007 Paragraph 4-3.6.1 Changed the words “items” to “components”. Paragraph 4-3.6.2 Added cautionary statements for use of worm gear speed reducers in hoist applications and speed reducers with output shafts integral with the wire rope drums. Paragraph 4-3.6.3 Added

22、 the words “both planetary and cycloidal” for clarity. Paragraph 4-3.6.5 Added cautionary statements for shafts on three bearing supports and overhung gears or pinions. Paragraph 4-3.6.6 Added a cautionary statement about three-bearing support of shafts. Added the words “for gudgeon and equalizer pi

23、ns” for clarity. Paragraph 4-3.6.7 Added the word “to” for clarity and added the requirement for shielding couplings with exposed bolts or nuts. Paragraph 4-3.6.8 Added description of other types of couplings. Added the words “and other instrumentation” for clarity. Paragraph 4-3.6.9 Added the requi

24、rement for inner and outer bearing races. Paragraph 4-3.6.10 Added requirement for steel pillow block housings on custom designed hoists. Paragraph 4-3.6.12 Updated ANSI B17.1 to USAS B17.1. Paragraph 4-3.6.13 Added new paragraph for keyless hub-shaft locking devices. Renumbered following paragraphs

25、. Paragraph 4-3.6.14 Noted the acceptability of polymer sheaves on mobile cranes. Paragraph 4-3.6.15 Added recommendations for travel wheel flange angles and current NAVCRANECEN policy on tread tapers for top running crane bridges. Clarified requirements for wheels used on patented track and on roll

26、ed shape beams. Paragraph 4-3.6.17 Editorial changes for clarity, and added prohibition of rotation resistant wire ropes on luffing hoists. Paragraph 4-3.6.18 Minor terminology changes for consistency. Last paragraph divided in two according to topic and revised criteria for use of resins with spelt

27、ered end fittings. Paragraph 4-3.6.19 Changed title from “hook Blocks” to “Load Blocks” for consistency. Added hook mounting requirement for custom designed hoists. Minor changes for clarity in the description of container crane head blocks. Paragraph 4-3.6.20 Added a restriction on the acceptabilit

28、y of hook retaining clamps. Noted the acceptability of cast steel hooks on iv Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-320-07N 16 January 2004 Change 1, 15 May 2007 Editorial Change 2, 15 August 2007 mobile cranes. Added wording to inclu

29、de self closing and locking latches on hooks. Paragraph 4-3.6.23 Added “gantry“ to listing of crane types. Paragraph 4-3.6.25 Added “or graphic displays“ for completeness. Paragraph 4-3.6.29 Added locking means for threaded fasteners, when required by the application. Paragraph 4-3.6.31 Changed “mac

30、hines surface“ to “machined edge of the component base“. Paragraph 4-3.6.36 Expanded permitted applications of setscrews and added a precaution for their installation on screw threads. Paragraph 4-3.6.37 Revised the materials recommendation to ductile cast iron. Paragraph 4-3.6.40 Minor correction f

31、or clarity. Paragraph 4-3.6.41 Replaced with an entirely new paragraph with detailed description of hydraulic components, including recommended and required features. Paragraph 4-4.1.2 Reworded paragraph to clarify thruster brake operation and use. Paragraph 4-4.2 Clarified disc brake terminology. P

32、aragraph 4-4.3 Replaced with an entirely new paragraph with expanded description and application of caliper disc brakes. Paragraph 4-4.4 Replaced with a new paragraph with expanded description of band brakes. Paragraph 4-5 Added sentence defining applicability of the National Electrical Code. Added

33、that NAVCRANECEN is the authority having jurisdiction for crane electrical requirements. Paragraph 4-5.2.3 Appended “-wound“ to series for clarity. Paragraph 4-5.3 Editorial correction for clarity. Deleted the restrictive statement requiring all regeneration back to the source. Added clarification o

34、f dynamic braking and regeneration combined on older cranes. Paragraph 4-5.3.2 Changed maximum terminal velocity from 40 percent to 50 percent. Paragraph 4-5.4.1 Addressed use of single-speed squirrel cage motors in variable frequency drives. Addressed constant torque operation of motors. Paragraph

35、4-5.5.1 Added two phrases to specify a particular motor v Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-320-07N 16 January 2004 Change 1, 15 May 2007 Editorial Change 2, 15 August 2007 control method. Paragraph 4-5.5.2 Removed the technically

36、 incorrect first sentence. Paragraph 4-5.6 Added phrase for completeness. Paragraph 4-5.7 Clarified power supplies for smaller cranes. Paragraph 4-5.7.1 New sentence added for clarity. Paragraph 4-5.8.1 Added sentence outlining new EPA requirements for diesels. Paragraph 4-5.8.2 Added clarification

37、of generator sizing. Paragraph 4-5.8.6 Revised paragraph to reflect current practice. Paragraph 4-5.11 Clarified use of motors on Navy cranes. Paragraph 4-5.11.3 Added additional requirements. Relabeled items after insertion of new item i. Added AISE requirements. Paragraph 4-5.11.4 Added clarificat

38、ion of heater use. Paragraph 4-5.12 Added clarification. Paragraph 4-5.14 Added permissibility of flexible cords and cables in control circuits. Paragraph 4-5.14.1 Expanded the text for clarity. Paragraph 4-5.14.2 Added unit definition for a circular mil. Paragraph 4-5.15 Added clarification of cond

39、uit use. Paragraph 4-5.16 Changed title from “Resistors“ to “Power Resistors“. Added reference to NEMA ICS 8. Paragraph 4-5.17 Revised the text in its entirety for clarity. Paragraph 4-5.19 Added a note for eddy current brakes on older cranes. Paragraph 4-5.20 Added collector ring assembly for porta

40、l and floating cranes. Paragraph 4-5.20.1 Rewrote second paragraph to reflect a lesser restriction on the use of spliced assemblies. Clarified collector material. Paragraph 4-5.20.2 Added the term “polychloroprene“. Added an option to use round cables in festoons. Paragraph 4-5.20.4 Changed NAVCRANE

41、CEN policy for collector ring assembly ring design. vi Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-320-07N 16 January 2004 Change 1, 15 May 2007 Editorial Change 2, 15 August 2007 Paragraph 4-5.22.1 Replaced modifiers with “primary” and “se

42、condary”. Added requirement for a slow-down limit switch on hoists. Paragraph 4-5.22.2 Noted the use of resolvers on portal cranes. Paragraph 4-5.22.3 Added clarification for the boom pawl mechanism. Paragraph 4-5.23 Changed “full log” to “log-log” paper. Paragraph 4-5.23.2 Added clarifying terminol

43、ogy. Paragraph 4-5.23.3 Added clarifying terminology. Paragraph 4-5.23.5 Added a clarifying statements. Paragraph 4-5.24.2 Added container crane as one of the permissible WHE. Paragraph 4-5.24.3 Added container crane as one of the permissible WHE. Paragraph 4-5.25.1 Added wall and jib cranes to list

44、. Provide indicator light location. Paragraph 4-5.25.3 Revised portions of the paragraph for clarity and elaboration. Paragraph 4-5.26 Changed title to “Load Insulating Links“ vice “RF Links“. Revised the entire paragraph for clarity. Figure 23 changed to show a more representative construction of i

45、nsulating links. Paragraph 4-5.26.1 Revised the paragraph for accuracy. Paragraph 4-5.27 Added clarifying statement for premises wiring. Paragraph 4-5.27.2 Added clarifying statement to the use of a rectifier. Paragraph 4-5.27.3 Revised portions of paragraph for NEC changes. The requirement for the

46、equipment grounding conductor was changed to a copper conductor. Paragraph 4-5.27.4 Changed sizing requirement for the equipment grounding conductor of wire rope drums. Paragraph 4-5.27.5 Revised portions of paragraph for NEC changes. The requirement for the equipment grounding conductor was changed

47、 to a copper conductor. Paragraph 4-5.29.1 Replaced longshoring service with longshoring operations. Added a requirement to post LID system accuracy. vii Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UFC 3-320-07N 16 January 2004 Change 1, 15 May 2

48、007 Editorial Change 2, 15 August 2007 4-5.29.2 Replaced longshoring service with longshoring operations. Added a requirement to post LMI system accuracy. Paragraph 4-5.29.3 Corrected SAE reference from “J1350” to “J1305”. Paragraph 4-5.29.5 Replaced “cranes in longshoring service” with “portal, con

49、tainer, and floating cranes”. Removed requirement for wind direction indicator. Paragraph 4-5.30 Clarified the reason for paint free gaskets and joints. Paragraphs 4-5.31 Expanded fire protection requirements. Paragraph 5-1.1.2 Expanded the explanation of load chart deductions. Table 5-1 Added a clarifying note for variably rated cranes. Paragraph 5-1.1.4 Updat