1、*USACE / NAVFAC / AFCESA / NASA UFGS-46 23 00 (February 2011)-Preparing Activity: NAVFAC Replacing without changeUFGS-44 42 39 (November 2009)UFGS-44 42 39 (April 2006)UFGS-11320 (August 2004)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2011*SECTION TABLE
2、OF CONTENTSDIVISION 46 - WATER AND WASTEWATER EQUIPMENTSECTION 46 23 00GRIT REMOVAL AND HANDLING EQUIPMENT02/11PART 1 GENERAL1.1 REFERENCES1.2 DEFINITIONS1.2.1 Grit1.2.2 Grit Separation1.2.3 Grit Collection1.2.4 Grit Removal1.2.5 Grit Classifying1.3 DESIGN REQUIREMENTS1.3.1 Aerated Grit Removal Syst
3、em1.3.2 Inclined Bottom Grit Removal System1.3.3 Longitudinal Grit Removal System1.3.4 Vortex Type Grit Removal System1.3.5 System Requirements1.4 SUBMITTALS1.5 QUALITY ASSURANCE1.5.1 Layout Drawings1.5.2 Reinforced Concrete Drawings1.5.3 Data Requirements1.6 DELIVERY, STORAGE, AND HANDLING1.7 SPARE
4、 PARTS1.8 POSTED OPERATING INSTRUCTIONSPART 2 PRODUCTS2.1 MATERIALS AND EQUIPMENT2.1.1 Aerated Grit Separation Equipment2.1.1.1 Air Piping2.1.1.2 Swing-Out Type Diffuser Holder Assembly2.1.1.3 Diffusers2.1.2 Longitudinal Grit Separation Equipment2.1.2.1 Velocity Control Regulator2.1.2.2 Proportional
5、 WeirSECTION 46 23 00 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-2.1.2.3 Framework and Control Sections2.1.3 Vortex Type Grit Separation2.1.3.1 Design2.1.3.2 Mechanical Drive2.1.4 Screw Collector/Bucket Elevator2.1.4.1 Design2.1.4.2 Screw
6、Collector Assembly for Combination Unit2.1.4.3 Bucket Elevator Assembly for Combination Unit2.1.4.4 Drive Assembly for Combination Unit2.1.4.5 Housing2.1.5 Screw Collector and Conveyor2.1.5.1 Design2.1.5.2 Screw Assembly2.1.5.3 Motor Drive Assembly2.1.5.4 Liner Plate2.1.5.5 Steel Trough2.1.5.6 Struc
7、tural Supports2.1.6 Chain and Bucket Elevator Collector2.1.6.1 Design2.1.6.2 Chain and Bucket Assembly2.1.6.3 Motor Drive Assembly2.1.6.4 Housing2.1.7 Grit Pump2.1.7.1 Pump Casing2.1.7.2 Impeller2.1.7.3 Shaft2.1.7.4 Radial and Thrust Bearings2.1.7.5 Pump and Motor Base2.1.7.6 Motor2.1.7.7 Drive Unit
8、2.1.7.8 Pressure Switch2.1.8 Airlift Pump2.1.9 Cyclone2.1.9.1 Feed Chamber2.1.9.2 Inlet Head Casing2.1.9.3 Cylindrical Sections2.1.9.4 Apex Valve2.1.10 Screw Type Classifying Equipment2.1.10.1 Mechanism2.1.10.2 Housing2.1.10.3 Drive Unit2.1.10.4 Motor2.1.10.5 Overflow Weir2.2 ELECTRICAL REQUIREMENTS
9、2.3 FABRICATION AND MANUFACTURE OF MECHANICAL COMPONENTS2.3.1 Motor2.3.2 Speed Reduction Unit2.3.3 Bearings2.3.4 Chain and Belt Drives2.3.5 Drive Unit2.3.6 Overload Protection and Alarm2.4 WELDING2.5 REPAIR OF ZINC-COATED SURFACES2.6 TREATMENT AND PAINTINGPART 3 EXECUTION3.1 INSTALLATION3.1.1 Air Pi
10、pingSECTION 46 23 00 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.1.2 Grit Pump3.1.3 Cyclone3.2 FIELD QUALITY CONTROL3.2.1 Grit Separation, Collection, Removal and Classifying Equipment3.2.2 Aerated Grit Equipment3.2.2.1 Air Diffusers3.2.3
11、 Grit Pump3.2.4 Cyclone3.2.5 Performance Tests3.2.6 Manufacturers Representative- End of Section Table of Contents -SECTION 46 23 00 Page 3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*USACE / NAVFAC / AFCESA / NASA UFGS-46 23 00 (February 2011)-P
12、reparing Activity: NAVFAC Replacing without changeUFGS-44 42 39 (November 2009)UFGS-44 42 39 (April 2006)UFGS-11320 (August 2004)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated April 2011*SECTION 46 23 00GRIT REMOVAL AND HANDLING EQUIPMENT02/11*NOTE: This guide spe
13、cification covers the requirements for equipment used for treatment of domestic sewage only.Adhere to UFC 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 p
14、roject specific requirements 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, suggestions and recommended chan
15、ges for this guide specification are welcome and should be submitted as a Criteria Change Request (CCR).*NOTE: This guide specification is for treatment of domestic sewage only. Special consideration must be given to sewage containing industrial wastes.*NOTE: The following information shall be shown
16、 on the project drawings or provided by the project designer. Design Grit Removal System in accordance with Unified Facilities Criteria (UFC) 3-240-02N, “Wastewater Treatment System Augmenting Handbook.“1. Size, depth and general configuration of grit separation, chamber, final discharge point, coll
17、ection, removal, and classifying facilities. Give space limitations which may affect optional SECTION 46 23 00 Page 4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-choices;2. Grit size and percentage removal of grit required;3. Electrical characteri
18、stics and wattage horsepowerof motor for grit separation, collection, removal and classifying equipment;4. Flow range in cubic meter per second mgd plant is designed to serve;5. Type to diffuser holder assembly, whether fixed or swing out type;6. Supply of external air quantity in cubic meter per se
19、cond cfm and pressure in kPa psi;7. Type of diffuser, whether non-porous nozzle or valve orifice type is used;8. Type of power for hoist, whether electric or gasoline engine;9. Type of velocity control, whether regulator or weir;10. Applicable wind and ice loadings;11. Type of grit pump configuratio
20、n, whether vertical or horizontal;12. Removal capacity of screw conveyor in cubic meter per second cubic feet per hour;13. Pitch diameter of flights and liner plate diameter for screw conveyors;14. Type of wastewater from which grit is to be removed, whether raw sewage or settled primary sludge;15.
21、Capacity in cubic meter per second gpm and pressure in kPa psi for the cyclone;16. Cyclone pressure switch range in kPag psig;17. Type of walkway, whether raised pattern floor plate or grating, on shallow tank separator; and18. Whether corrosive conditions exist in sewage or in atmosphere at install
22、ation.*PART 1 GENERAL1.1 REFERENCES*SECTION 46 23 00 Page 5Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTE: This paragraph is used to list the publications cited in the text of the guide specification. The publications are referred to in the tex
23、t by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards 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
24、Wizards Check Reference 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
25、 to the extent referenced. The publications are referred to within the text by the basic designation only.ALUMINUM ASSOCIATION (AA)AA DAF-45 (2003; Reaffirmed 2009) Designation System for Aluminum FinishesAMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS (AASHTO)AASHTO T 11 (2005; R
26、 2009) Standard Method of Test for Materials Finer Than 75 Micrometer (No. 200) Sieve in Mineral Aggregates by WashingAASHTO T 27 (2006) Standard Method of Test for Sieve Analysis of Fine and Coarse AggregatesAMERICAN BEARING MANUFACTURERS ASSOCIATION (ABMA)ABMA Manual (1981) Anti-Friction Bearing M
27、aintenance ManualAMERICAN GAS ASSOCIATION (AGA)AGA GMC Gas Measurement Committee Report No. 3AMERICAN GEAR MANUFACTURERS ASSOCIATION (AGMA)AGMA 908 (1989B; R 1999) Information Sheet: Geometry Factors for Determining the Pitting Resistance and Bending Strength of Spur, Helical and Herringbone Gear Te
28、ethANSI/AGMA 6034 (1992B; R 2005) Practice for Enclosed Cylindrical Wormgear Speed Reducers and GearmotorsSECTION 46 23 00 Page 6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMERICAN WATER WORKS ASSOCIATION (AWWA)AWWA C207 (2007) Standard for Stee
29、l Pipe Flanges for Waterworks Service-Sizes 100 mm through 3600 mm 4 in. through 144 in.AWWA C504 (2010) Standard for Rubber-Seated Butterfly ValvesAWWA C600 (2010) Installation of Ductile-Iron Water Mains and Their AppurtenancesAMERICAN WELDING SOCIETY (AWS)AWS D1.1/D1.1M (2010) Structural Welding
30、Code - SteelASME INTERNATIONAL (ASME)ASME B16.4 (2006) Standard for Gray Iron Threaded Fittings; Classes 125 and 250ASME B16.5 (2009) Pipe Flanges and Flanged Fittings: NPS 1/2 Through NPS 24 Metric/Inch StandardASME B17.1 (1967; R 2008) Keys and KeyseatsASME B17.2 (1967; R 2008) Woodruff Keys and K
31、eyseatsASME B29.11M (1994) Combination Chains Attachments and Sprocket TeethASSOCIATION FOR IRON AND STEEL TECHNOLOGY (AIST)AIST PB-229 (2008) Stainless Steels: A Steel Products ManualASTM INTERNATIONAL (ASTM)ASTM A108 (2007) Standard Specification for Steel Bar, Carbon and Alloy, Cold-FinishedASTM
32、A123/A123M (2009) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel ProductsASTM A153/A153M (2009) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel HardwareASTM A27/A27M (2010) Standard Specification for Steel Castings, Carbon, for General Application
33、ASTM A312/A312M (2009) Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel PipesASTM A36/A36M (2008) Standard Specification for Carbon Structural SteelSECTION 46 23 00 Page 7Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
34、se from IHS-,-,-ASTM A48/A48M (2003; R 2008) Standard Specification for Gray Iron CastingsASTM A53/A53M (2010) Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessASTM A536 (1984; R 2009) Standard Specification for Ductile Iron CastingsASTM B 209 (2007) Stan
35、dard Specification for Aluminum and Aluminum-Alloy Sheet and PlateASTM B 209M (2007) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric)ASTM B 221 (2008) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and TubesASTM B 221M (2007
36、) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)ASTM B 26/B 26M (2009) Standard Specification for Aluminum-Alloy Sand CastingsASTM B 30 (2010) Standard Specification for Copper Alloys in Ingot FormASTM D 1785 (2006) Standard Specificati
37、on for Poly(Vinyl Chloride) (PVC), Plastic Pipe, Schedules 40, 80, and 120ASTM D 2467 (2006) Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 80ASTM D 2564 (2004; R 2009e1) Standard Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping S
38、ystemsMANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY (MSS)MSS SP-72 (2010) Ball Valves with Flanged or Butt-Welding Ends for General ServiceMSS SP-78 (2005a) Cast Iron Plug Valves, Flanged and Threaded EndsMSS SP-80 (2008) Bronze Gate, Globe, Angle and Check ValvesNATIONAL
39、ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA MG 1 (2009) Motors and GeneratorsSECTION 46 23 00 Page 8Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)NFPA 70 (2011) National Electrical CodeTHE SOCIETY FOR
40、PROTECTIVE COATINGS (SSPC)SSPC PS 10.01 (1982; E 2004) Hot-Applied Coal Tar Enamel Painting SystemSSPC PS 4.02 (1982; E 2004) Four-Coat Vinyl Painting System (For Fresh Water, Chemical, and Corrosive Atmospheres)SSPC Paint 13 (1991) Paint Specification No. 13 Red or Brown One-Coat Shop PaintSSPC SP
41、6/NACE No.3 (2007) Commercial Blast CleaningU.S. DEPARTMENT OF DEFENSE (DOD)MIL-P-21035 (1991; Rev B; Notice 2 2003) Paint, High Zinc Dust Content, Galvanizing Repair (Metric)MIL-PRF-24635 (2009; Rev E) Coating Systems, Weather Resistant, Exterior UseU.S. GENERAL SERVICES ADMINISTRATION (GSA)CID A-A
42、-3120 (Rev A) Paint: For Swimming PoolsFS TT-E-1593 (Rev B) Enamel, Silicone Alkyd Copolymer, Gloss (For Exterior and Interior Use)FS TT-P-645 (Rev B; Am 1) Primer, Paint, Zinc-Molybdate, Alkyd Type1.2 DEFINITIONS1.2.1 GritThe settleable solids load present in wastewater such as sand, gravel, cinder
43、s, metal fragments not ameliorated by secondary treatment and/or sludge removal techniques and capable of producing excessive wear on mechanical equipment.1.2.2 Grit Separation*NOTE: Delete “aeration“ when an aerated grit system is not required, delete “the tank configuration“ when an aerated grit s
44、ystem is required.*The process of separating grit from wastewater by controlling the velocity of the wastewater with aeration to suspend organics and/or by tank configuration to separate the grit from the organic solids by differential sedimentation and scour.SECTION 46 23 00 Page 9Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1.2.3 Grit Collection*NOTE: Delete the first option when an aerated grit chamber with an inclined bottom is required, delete the second option when an aerated
