1、Designation: C1613 10C1613 17Standard Specification forPrecast Concrete Grease Interceptor Tanks1This standard is issued under the fixed designation C1613; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision.
2、A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers design requirements, manufacturing practices, and performance requirements for monolithic orsectional preca
3、st concrete grease interceptor tanks.1.2 This specification describes precast concrete tanks installed to separate fats, oils, grease, soap scum, and other typicalkitchen wastes associated with the food service industry.1.3 The values stated in inch-pound units are to be regarded as standard. The va
4、lues given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to
5、establish appropriate safety safety, health and healthenvironmental practices and determine theapplicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on
6、Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A82/A82M Specification for Steel Wire, Plain, for Concrete Reinforcement (Withdrawn 2013)
7、3A184/A184M Specification for Welded Deformed Steel Bar Mats for Concrete ReinforcementA185/A185M Specification for Steel Welded Wire Reinforcement, Plain, for Concrete (Withdrawn 2013)3A496/A496M Specification for Steel Wire, Deformed, for Concrete Reinforcement (Withdrawn 2013)3A497/A497M Specific
8、ation for Steel Welded Wire Reinforcement, Deformed, for Concrete (Withdrawn 2013)3A615/A615M Specification for Deformed and Plain Carbon-Steel Bars for Concrete ReinforcementA706/A706M Specification for Deformed and Plain Low-Alloy Steel Bars for Concrete ReinforcementA1064/A1064M Specification for
9、 Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for ConcreteC33 Specification for Concrete AggregatesC39/C39M Test Method for Compressive Strength of Cylindrical Concrete SpecimensC94/C94M Specification for Ready-Mixed ConcreteC125 Terminology Relating to Concrete and Concrete
10、AggregatesC150 Specification for Portland CementC260 Specification for Air-Entraining Admixtures for ConcreteC330 Specification for Lightweight Aggregates for Structural ConcreteC494/C494M Specification for Chemical Admixtures for ConcreteC595 Specification for Blended Hydraulic CementsC618 Specific
11、ation for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in ConcreteC685/C685M Specification for Concrete Made by Volumetric Batching and Continuous MixingC890 Practice for Minimum Structural Design Loading for Monolithic or Sectional Precast Concrete Water and WastewaterStructures1 This
12、specification is under the jurisdiction of ASTM Committee C27 on Precast Concrete Products and is the direct responsibility of Subcommittee C27.30 on Waterand Wastewater Containers.Current edition approved Jan. 1, 2010Sept. 1, 2017. Published January 2010September 2017. Originally approved in 2006.
13、Last previous edition approved in 20092010as C1613 09.C1613 10. DOI: 10.1520/C1613-10.10.1520/C1613-17.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards
14、Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, AS
15、TM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1C923 S
16、pecification for Resilient Connectors Between Reinforced Concrete Manhole Structures, Pipes, and LateralsC990 Specification for Joints for Concrete Pipe, Manholes, and Precast Box Sections Using Preformed Flexible Joint SealantsC1116 Specification for Fiber-Reinforced Concrete and ShotcreteC1602/C16
17、02M Specification for Mixing Water Used in the Production of Hydraulic Cement Concrete2.2 ACI Standard:3ACI 318 Building Code Requirements for Reinforced Concrete2.3 IAPMO Documents:4Uniform Plumbing CodeIAPMO PS-80 Grease Interceptors and Clarifiers2.4 AASHTO Standard:5Standard Specifications for H
18、ighway Bridges3. Terminology3.1 For definitions of terms relating to concrete, see Terminology C125.3.2 Definitions of Terms Specific to This Standard:3.2.1 access opening, na hole in the top slab used to gain access to the inside of the tank for the purpose of cleaning andremoving grease, floating
19、scum and sludge without a person actually having to enter the tank.3.2.2 air scum volume, nthe number of cubic inches (centimeters) in the space between the liquid surface and the undersideof the top slab.3.2.3 baffle, na device, such as a sanitary tee or other deflector, used to direct the flow of
20、influent down below the separatedlayer and prevent floating layer of fats, oils, or grease from exiting the tank through the outlet.3.2.4 grease interceptor capacity, nthe volume of liquid the tank is designed to hold.3.2.5 grease interceptor tank system, na single tank or series of tanks in which w
21、astes from a kitchen or food serviceestablishment containing no sanitary discharges from toilets, urinals and other similar fixtures are received and retained, and fromwhich the liquid effluent, which is comparatively free from fats, oils, greases and settleable and/or floating solids, is then disch
22、argedto a public sewer, septic or other approved treatment system.3.2.6 inspection opening, na hole in the top slab used for the purpose of observing conditions inside the tank.3.2.7 joint, na physical separation where two pieces of precast concrete are in contact.3.2.8 non-sealed joint, na joint wh
23、ere sealant is not used but where a machined fit will minimize the movement of liquid fromone side of a precast concrete wall to the opposite side.3.2.9 owner, nis by definition end user, customer, or purchaser.3.2.10 sealed joint, na joint that is sealed to prevent liquid passing from one side of a
24、 precast concrete wall to the oppositeside.3.2.11 tank dividing wall, na partition across the width of the tank that extends partially between the top and bottom intendedto deflect influent downward and increase the length of the flow path of the liquid as it travels through the tank.4. Ordering Inf
25、ormation4.1 The purchaser shall include the following information in bidding documents and on the purchase order, as applicable to theunits being ordered:4.1.1 Reference to this specification, and date of issue.4.1.2 Quantity, that is, number of units ordered.4.1.3 Capacity of tank in gallons or lit
26、res.4.1.4 Special cement requirements including moderate sulfate-resisting cement, Specification C150 Type II, or highlysulfate-resisting cement, Specification C150, Type V. If the purchaser does not stipulate, the manufacturer shall use any cementmeeting the requirements of Specification C150 or C5
27、95 (Type IS or Type IP only).4.1.5 Acceptance will be based on a review of the calculations or on proof tests.4.1.6 Design requirements such as depth of earth cover, live load applied at the surface, and ground water level.4.1.7 Testing for water leakage shall not be required at the job site unless
28、specifically required by the owner at the time ofordering.4.1.8 Manufacturer is permitted to require testing at the job site prior to backfill in accordance with section 9.1.2.3 Available from American Concrete Institute (ACI), P.O. Box 9094, Farmington Hills, MI 48333-9094, http:/www.concrete.org.4
29、 Available from International Association of Plumbing and Mechanical Officials (IAPMO), 5001 E. Philadelphia St., Ontario, CA 91761.91761, http:/www.iapmo.org.5 Available from American Association of State Highway and Transportation Officials (AASHTO), 444 N. Capitol St., NW, Suite 249, Washington,
30、DC 20001,http:/www.transportation.org.C1613 1725. Materials and Manufacture5.1 CementPortland cement shall conform to the requirements of Specification C150 or shall be portland blast-furnace slagcement (Type IS) or portland-pozzolan cement (Type IP) conforming to the requirements of Specification C
31、595.5.2 AggregatesAggregates shall conform to Specification C33 and lightweight aggregates shall conform to SpecificationC330, except that the requirements for grading shall not apply.5.3 WaterWater used in mixing concrete shall meet the requirements of Specification C1602/C1602M.5.4 AdmixturesAdmix
32、tures, when used, shall conform to Specification C494/C494M, Specification C618, or SpecificationC260 and shall not be detrimental to other products used in the concrete.5.5 Steel ReinforcementSteel reinforcement shall conform to Specification A82/A82MA1064/A1064M or A496/A496Mforwire; Specification
33、 A185/A185M or A497/A497M for wire fabric; or Specification A184/A184M, A615/A615M, or A706/A706Mfor bars.5.5.1 Locating ReinforcementReinforcement shall be placed in the forms as required by the design.5.5.2 Holding Reinforcement in Position During Pouring PlacementReinforcement must be securely ti
34、ed in place to maintainposition during concrete placing operations. Chairs, bolsters, braces, and spacers in contact with forms shall have acorrosion-resistant surface.5.6 Concrete MixturesThe aggregates, cement, and water shall be proportioned and mixed to produce a homogeneousconcrete meeting the
35、requirements of this specification, and in accordance with Specification C94/C94M or SpecificationC685/C685M.5.7 FormsThe forms used in manufacture shall be sufficiently rigid and accurate to maintain the dimensions of the greaseinterceptor tank within the stated tolerances. All casting surfaces sha
36、ll be of smooth nonporous material. Form releasing agentsused shall not be injurious to the concrete.5.8 Concrete PlacementConcrete shall be placed in the forms and consolidated such that all reinforcement steel and fixturesare embedded without segregation of materials or voids in the concrete.5.9 C
37、uringThe precast concrete sections shall be cured by any method or combination of methods that will develop thespecified compressive strength at 28 days or less.5.10 Concrete QualityThe quality of the concrete shall be in accordance with the chapter on concrete quality in ACI 318,except for frequenc
38、y of tests, which shall be specified by the purchaser. Concrete compressive strength tests shall be conductedin accordance with Test Method C39/C39M.5.11 FibersPolypropylene or polyolefin fibers are only permitted as a secondary reinforcing material, at the manufacturersoption, in precast concrete g
39、rease interceptor tanks. For the purposes of this standard, secondary reinforcing material is only usedto resist temperature and shrinkage effects. Only Type III conforming to the requirements of Specification C1116 shall be accepted.5.12 Pipe ConnectionsPipe-to-tank connections shall employ flexibl
40、e connectors conforming to the requirements ofSpecification C923. Materials for the connectors shall have demonstrated resistance to the effects of fats, oils, grease, and fluidtemperatures of at least 160F (70C).5.13 SealantsFlexible sealants employed in the manufacture or installation of tanks sha
41、ll conform to Specification C990.Rigid (mortar) sealing of tank sections is not permitted.6. Structural Design Requirements6.1 Structural design of grease interceptor tanks shall be by calculation or by performance.6.1.1 Design by calculation shall be completed using the Strength Design Method (ulti
42、mate strength theory) or the AlternateDesign Method (working stress theory) outlined in ACI 318.6.1.2 Design by performance requires the manufacturer to demonstrate that failure will not occur by physically applying loadsto the product. The load applied shall be 2.2 times the design live load or 1.5
43、 times the design dead load, whichever is greater.Such testing shall be witnessed and certified by a registered professional engineer.NOTE 1When synthetic fibers are used to replace some or all of the secondary steel reinforcement in the grease interceptor, equivalent performancecriteria can be foun
44、d in section 5.4 of IAPMO PS-80.NOTE 2Vacuum testing may be used to simulate uniform loads. It is not possible to simulate concentrated loads, such as wheel loads, using vacuumtesting.6.1.3 Tanks shall be designed so that they will not collapse or rupture when subjected to anticipated earth and hydr
45、ostaticpressures when the tanks are either full or empty.6.1.4 At a minimum, loads from Practice C890 designation A-16 (AASHTO HS20-44) shall be used for design.6.1.5 The live loads imposed at lifting points shall be considered in the design of the grease interceptor tank.6.1.6 Inserts embedded in t
46、he concrete (including embedded lifting devices) shall be designed and used according to all federal,state, and local regulations.C1613 173NOTE 3Lift inserts are typically manufactured with an integral factor of safety of 4, which is already accounted for in their rated load.6.2 Concrete StrengthThe
47、 minimum compressive strength (fc) for designs shall be 4000 psi (28 MPa) at 28 days of age.6.3 Reinforcing Steel PlacementThe concrete cover for reinforcing bars, mats, or fabric shall not be less than 1 in. (25 mm).6.4 OpeningsThe structural design shall take into consideration the number, placeme
48、nt, and size of all openings.6.5 Lift EquipmentAll equipment used to handle the precast concrete tank shall be designed and used according to all federal,state, and local regulations.7. Physical Design Requirements7.1 CapacitySizes are generally specified by local regulations and they shall supersed
49、e the following requirements. Whenlocal regulations are not available, grease interceptor capacity may be determined by use of one of the sizing criteria provided inthe Appendix.7.2 ShapeGrease interceptor shapes are generally specified by local regulations and they shall supersede the followingrequirements.7.2.1 The air scum volume above the liquid shall be at least 12.5 % of the volume of liquid but not less than 9 in. (230 mm)high for entire surface above liquid.7.2.2 Minimum liquid depth shall be 30 in. (760 mm) unless otherwise ap
