1、*USACE / NAVFAC / AFCESA / NASA UFGS-46 24 16 (February 2011)-Preparing Activity: USACE SupersedingUFGS-44 42 26 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2011*SECTION TABLE OF CONTENTSDIVISION 46 - WATER AND WASTEWATER EQUIPMENTSECTION 46 2
2、4 16COMMINUTORS02/11PART 1 GENERAL1.1 REFERENCES1.2 SUBMITTALS1.3 MANUFACTURERS SERVICES1.4 DELIVERY, STORAGE, AND HANDLINGPART 2 PRODUCTS2.1 STANDARD PRODUCTS2.2 NAMEPLATES2.3 PROTECTION FROM MOVING PARTS2.4 MATERIALS2.4.1 Cast Iron2.4.2 Bearings2.4.3 Aluminum Alloy2.4.4 Miscellaneous Metal2.5 ELEC
3、TRIC MOTOR AND CONTROLLER2.6 COMMINUTOR2.6.1 Rotating Drum Type2.6.2 Rotating Disc or Conical Type2.6.3 Oscillating Type2.7 MOTOR CONTROLLER2.8 DESIGN2.9 GEAR MOTOR2.10 GEAR MOTOR MOUNTING2.11 HYDRAULIC DRIVE2.12 CUTTING ELEMENTS2.13 BEARINGS2.14 LUBRICATION2.15 ANCHORAGE2.15.1 Installation Within a
4、 Channel2.15.2 Installation Within a PipelinePART 3 EXECUTIONSECTION 46 24 16 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.1 EXAMINATION3.2 INSTALLATION3.3 ELECTRICAL WORK3.4 PAINTING3.5 SPECIAL TOOLS3.6 FRAMED INSTRUCTIONS3.7 FIELD TESTS3
5、.7.1 Scheduling3.7.2 Tests3.8 TRAINING- End of Section Table of Contents -SECTION 46 24 16 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-46 24 16 (February 2011)-Preparing Activity: USACE SupersedingUFGS-4
6、4 42 26 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2011*SECTION 46 24 16COMMINUTORS02/11*NOTE: This guide specification covers the requirements for comminutor for use in sewage treatment plants normally handling domestic sewage.Adhere to UFC
7、1-300-02 Unified Facilities Guide Specifications (UFGS) Format Standard when editing this guide specification or preparing new project specification sections. Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable
8、 items(s) or insert appropriate information.Remove information and requirements not required in respective project, whether or not brackets are present.Comments, suggestions and recommended changes for this guide specification are welcome and should be submitted as a Criteria Change Request (CCR).*P
9、ART 1 GENERAL1.1 REFERENCES*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
10、Check Reference feature when you add a RID outside of the Sections Reference Article to automatically place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update the issue dates.SECTION 46 24 16 Page 3Provided by IHSNot for ResaleNo reproduction or
11、networking permitted without license from IHS-,-,-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
12、extent referenced. The publications are referred to within the text by the basic designation only.AMERICAN BEARING MANUFACTURERS ASSOCIATION (ABMA)ABMA 11 (1990) Load Ratings and Fatigue Life for Roller BearingsABMA 9 (1990; R 2008) Load Ratings and Fatigue Life for Ball BearingsASTM INTERNATIONAL (
13、ASTM)ASTM A153/A153M (2009) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel HardwareASTM A48/A48M (2003; R 2008) Standard Specification for Gray Iron CastingsASTM B 108/B 108M (2008) Standard Specification for Aluminum-Alloy Permanent Mold CastingsASTM F 593 (2002; R 2008) Stainl
14、ess Steel Bolts, Hex Cap Screws, and StudsNATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA ICS 2 (2000; R 2005; Errata 2008) Standard for Controllers, Contactors, and Overload Relays Rated 600 VNEMA MG 1 (2009) Motors and Generators1.2 SUBMITTALS*NOTE: Review submittal description (SD) defin
15、itions 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” following a submittal item indicates that the submittal requires Government approv
16、al. Some submittals are already marked with a “G”. Only delete an existing “G” if the submittal item 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.SECTION 46 24 16 Page
17、 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indicate the approving authority.
18、 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; “RO“ for Resident Office; and “PO“ for Project Office. Codes following the “G“ typ
19、ically 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 for submittals with a “G“ designation; submittals not having a “G“ designation are
20、for Contractor Quality Control approval.information only. When used, a designation following the “G“ designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:SD-02 Shop DrawingsCommi
21、nutor; G; G, _Drawings indicating clearances required for maintenance and operation, containing complete wiring and schematic diagrams, equipment layout and anchorage, and any other details required to demonstrate that the system has been coordinated and will properly function as a unit.SD-03 Produc
22、t DataSpare PartsSpare parts data for each different item of materials and equipment specified, after approval of the drawings and not later than _ months prior to the date of beneficial occupancy . Include in the data a complete list of parts and supplies with current unit prices and source of supp
23、ly.Materials and EquipmentA complete list of equipment and materials, including manufacturers descriptive and technical literature, catalog cuts, and installation instructions.Framed InstructionsProposed diagrams, instructions, and other sheets, prior to posting.SD-06 Test ReportsSECTION 46 24 16 Pa
24、ge 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Field TestsTest reports in booklet form showing all field tests performed on the installed system to adjust each component and all field tests performed to prove compliance with the specified perfor
25、mance criteria. Each test report shall indicate the final position of controls.SD-10 Operation and Maintenance DataOperating Instructions; G; G, _Six _ copies of operation explaining in detail step-by-step procedures required for system startup, operation, and shutdown. Include parts list, and a bri
26、ef description of all equipment and operating features in the instructions.six _ copies of maintenance manuals explaining in detail routine maintenance procedure including inspection, adjustments, lubrication, and cleaning. The instructions shall list possible breakdown, methods of repair, and a tro
27、ubleshooting guide. The instructions shall include piping layout, equipment layout, and simplified wiring and control diagrams of the system as installed.for the equipment furnished. One complete set prior to performance testing and the remainder upon acceptance. The manuals shall be identified by t
28、itle, equipment and manufacturer. Manuals shall be submitted and approved prior to the field training course.1.3 MANUFACTURERS SERVICESObtain the services of the manufacturers representative experienced in the installation, adjustment, and operation of the equipment specified to supervise the instal
29、ling, adjusting, and testing of the equipment.1.4 DELIVERY, STORAGE, AND HANDLINGProtect from weather, humidity and temperature variations, dirt and dust, or other contaminants all equipment delivered and placed in storage.PART 2 PRODUCTS2.1 STANDARD PRODUCTSProvide materials and equipment conformin
30、g to the respective publications and other requirements specified and which are the standard products of a manufacturer regularly engaged in the manufacture of the products. Provide items of equipment that essentially duplicate equipment that has been in satisfactory use at least 2 years prior to bi
31、d opening. Equipment shall be supported by a service organization that is, in the opinion of the Contracting Officer, reasonably convenient to the site.2.2 NAMEPLATESMajor equipment items shall have manufacturers name, address, type or style, catalog number and model or serial number on a plate secu
32、rely attached to item of equipment. In lieu of nameplate on the comminutor, manufacturers name or trademark may be cast integrally with comminutor, stamped, or otherwise permanently marked.SECTION 46 24 16 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
33、m IHS-,-,-2.3 PROTECTION FROM MOVING PARTSMoving parts of the equipment, such as drive chains and sprockets, shall be fully enclosed in removable guards. Equipment above the level of the sewage-carrying channel shall be fully enclosed in a cast-iron or 1.720 mm (14 gauge) 14 gauge sheet steel or wro
34、ught-iron housing. Housing shall be provided with a sufficient number of doors or removable panels to insure ready access to any part of equipment for repairing, replacing, or cleaning. Joints between the housing and the concrete foundation shall be made leakproof.2.4 MATERIALSProvide materials that
35、 conform to the following:2.4.1 Cast IronASTM A48/A48M Class 30, minimum.2.4.2 BearingsABMA 9 and ABMA 11.2.4.3 Aluminum AlloyASTM B 108/B 108M.2.4.4 Miscellaneous MetalBolts, nuts, anchors, washers, and other types of supports necessary for the installation of equipment shall be of steel or wrought
36、 iron, galvanized according to the requirements of ASTM A153/A153M. Anchor bolts and nuts for the comminutor, motor, or power unit shall be Type 316 stainless steel, ASTM F 593.2.5 ELECTRIC MOTOR AND CONTROLLERElectric motor shall conform to NEMA MG 1. Motor controller shall conform to NEMA ICS 2.2.
37、6 COMMINUTORThe comminutor shall be of the rotating or oscillating type for use in a sewage treatment plant. It shall consist of an electric motor-driven mechanical shredder or cutter with gear motor hydraulic drive capable of continuous and automatic operation and shall reduce sewage solids to part
38、icle sizes between 6.4 and 9.5 mm 1/4 and 3/8 inch. The cutting and screening mechanism shall cut or shred all sewage solids including sticks, rags, and stringy material, without removing them from the sewage flow, without clogging the screen, and without binding, jamming, or stalling the moving par
39、ts.2.6.1 Rotating Drum TypeThe rotating drum type comminutor shall include a slotted drum that functions as a screen and support for the rotating cutters, a casing supporting the stationary cutters, and a drive assembly. Evenly spaced cutting teeth shall pass through a stationary comb section cuttin
40、g against SECTION 46 24 16 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-it as the cutters rotate. The unit shall have a smooth, continuously available torque, 360-degree rotation with equal performance in either direction of rotation. Casing
41、 shall be close-grain cast iron or aluminum alloy of adequate strength and rigidity to withstand all loads imposed on it from the operation of the comminutor and drive assembly. The casing shall have the manufacturers recommended concave semi-circular screen of stainless steel attached to it.2.6.2 R
42、otating Disc or Conical TypeThe rotating disc or conical type comminutor shall include a stationary grid frame cutter-comb support with cutter-combs, rotating cutter plate/screen with adjustable teeth, and a drive assembly. The cutter plates shall be fixed and keyed to the center drive shaft permitt
43、ing only one cutter tooth and a cutter comb to be engaged at one time for load power saving. The frame, grid, and discs shall be of close-grained cast iron or aluminum alloy. The conical screen shall be constructed of the manufacturers recommended stainless steel.2.6.3 Oscillating TypeThe oscillatin
44、g type comminutor shall include a stationary semi-circular screen, a stationary cutter bar mounted on a support casing, an oscillating cutter bar, and a drive assembly. Cutter bars shall be adjustable and readily removable for inspection, sharpening, or replacement. The oscillation shall be actuated
45、 by mechanical conversion of the driver rotation. Casing shall be close-grain cast iron or aluminum alloy of adequate strength and rigidity to withstand all loads imposed on it from the operation of the comminutor and drive assembly. The casing shall have the manufacturers recommended semi-circular
46、screen of stainless steel attached to it.2.7 MOTOR CONTROLLERThe control panel shall be mounted where indicated. The motor controller shall be rated as indicated and conform to NEMA ICS 2. The control system shall include an automatic motor starter reset for power failure protection and an automatic drive motor reversal with time delay for jamm
