1、Designation:F255109Standard Practice forInstalling a Protective Cementitious Liner System inSanitary Sewer Manholes1This standard is issued under the fixed designation F2551;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of
2、 last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.INTRODUCTIONAsanitary sewer manhole may be repaired or rehabilitated by applying a prepackaged cementitiousliner to the interior surf
3、ace after it has been properly prepared and cleaned.Sanitary sewer manholescan be damaged by dynamic loading,abrasion,erosion,and corrosion.1.Scope1.1 This specification describes all the work required tostructurally reinforce,seal,and protect sanitary sewer man-holes.Applications include applying a
4、 prepackaged cementi-tious liner that can function as a full depth restoration or apartial depth repair.A uniform high-strength,fiber-reinforcedcementitious mortar should be manually sprayed and handtroweled or centrifugally cast in a uniform,prescribed thick-ness to all cleaned,interior surfaces fr
5、om the bottom of theframe to the bench.The cementitious liner may be applied tomanholes constructed of brick,concrete,block,and variousother materials.1.2 A manufacturers approved applicator shall furnish thecomplete application of the protective,prepackaged cementi-tious liner material.All of the c
6、leaning,preparation,andapplication procedures shall be in accordance with the manu-facturers recommendations.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are n
7、ot considered standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to
8、 use.Manholes arepermit required confined spaces in accordance with OSHAdefinition and should be treated as such,requiring confinedspace entry permits,appropriate monitoring equipment,andthe associated personal protective equipment.2.Referenced Documents2.1 ASTM Standards:2C39/C39M Test Method for C
9、ompressive Strength of Cylin-drical Concrete SpecimensC109/C109M Test Method for Compressive Strength ofHydraulic Cement Mortars(Using 2-in.or 50-mm CubeSpecimens)C309 Specification for Liquid Membrane-Forming Com-pounds for Curing ConcreteC494/C494M Specification for Chemical Admixtures forConcrete
10、C969 Practice for Infiltration and Exfiltration AcceptanceTesting of Installed Precast Concrete Pipe Sewer LinesC1140 Practice for Preparing and Testing Specimens fromShotcrete Test PanelsC1244 Test Method for Concrete Sewer Manholes by theNegative Air Pressure(Vacuum)Test Prior to BackfillC1315 Spe
11、cification for Liquid Membrane-Forming Com-pounds Having Special Properties for Curing and SealingConcreteF2414 Practice for Sealing Sewer Manholes Using ChemicalGrouting2.2 ACI Standards:3ACI 301-05 Specifications for Structural ConcreteACI 305R-99 Hot Weather ConcretingACI 306R-88 Cold Weather Con
12、cretingACI 308R Practice for Curing ConcreteACI 506R Guide to Shotcrete1This practice is under the jurisdiction of ASTM Committee F36 on Technologyand Underground Utilities and is the direct responsibility of Subcommittee F36.20on Inspection and Renewal of Water and Wastewater Infrastructure.Current
13、 edition approved May 1,2009.Published June 2009.DOI:10.1520/F2551-09.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM webs
14、ite.3Available from American Concrete Institute(ACI),P.O.Box 9094,FarmingtonHills,MI 48333-9094,http:/www.concrete.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.3 ICRI Technical Guidelines:4Guideline No.03732 Selecting and Specify
15、ing ConcreteSurface Preparation for Sealers,Coatings,and PolymerOverlaysGuideline No.03737 Guide for the Preparation of ConcreteSurfaces for Repair Using Hydro-demolition Methods3.Ordering Information3.1 SubmittalsOrders for all prepackaged materials listedunder this practice shall include the follo
16、wing:3.1.1 Product data,including manufacturer and brand name;3.1.2 Technical data stipulating physical characteristics ofapplied liner material;and3.1.3 Manufacturers Safety Data Sheets.3.2 Delivery,Storage,and Handling:3.2.1 The prepackaged cementitious materials should bestored according to the manufacturers recommendations.Nomodification should be made to the manufacturers recommen-dations for handling and delivery of these products.4.Materials and Manufacture4.1 Allprepackagedmaterialsshall
