1、Standard Specification for Preservatives and Pressure Treatment Processes for Timber AASHTO Designation: M 133-12 (2016) Release: Group 2 (June 2016) American Association of State Highway and Transportation Officials 444 North Capitol Street N.W., Suite 249 Washington, D.C. 20001 TS-4c M 133-1 AASHT
2、O Standard Specification for Preservatives and Pressure Treatment Processes for Timber AASHTO Designation: M 133-12 (2016) Release: Group 2 (June 2016) 1. SCOPE 1.1. This specification covers the wood preservatives, the preservative treatment processes, the results of treatment, the inspection and t
3、esting of preservatives and of treatment, and the identification of properly treated timber. 2. REFERENCED DOCUMENTS 2.1. AASHTO Standards: M 168, Wood Products T 72, Saybolt Viscosity 2.2. ASTM Standards: D93, Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester D287, Standard
4、Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method) D453-94 (2000)1, Standard Test Method for Tar Acids in Creosote-Coal Tar Solutions (withdrawn 2006) 2.3. American Wood Protection Association Standards:1 A1, Standard Methods for Analysis of Creosote and Oil-Ty
5、pe Preservatives A2, Standard Methods for Analysis of Waterborne Preservatives and Fire-Retardant Formulations A3, Standard Methods for Determining Penetration of Preservatives and Fire Retardants A4, Standard Methods for Sampling Wood Preservatives A5, Standard Methods for Analysis of Oil-Borne Pre
6、servatives A6, Standard Method for the Determination of Retention of Oil-Type Preservatives from Small Samples A7, Standard for Wet Ashing Procedures for Preparing Wood for Chemical Analysis A9, Standard Method for Analysis of Treated Wood and Treating Solutions by X-ray Spectroscopy A12, Wood Densi
7、ties for Preservative Retention Calculations A13, Standard Method of Analysis for Acid Number of Naphthenic Acids in Copper Naphthenate A14, Standard Method for Determination of Water-Extractable Copper in Copper Naphthenate 2016 by the American Association of State Highway and Transportation Offici
8、als. All rights reserved. Duplication is a violation of applicable law.TS-4c M 133-2 AASHTO A18, Standard for Determination of Quaternary Ammonium Compounds in Wood by 2-Phase Titration A21, Standard Method for Analysis of Wood and Wood Treating Solutions by Inductively Coupled Plasma Emission Spect
9、rometry A28, Standard Method for Determination of Propiconazole and Tebuconazole in Wood, in Waterborne Formulations and in Treating Solutions by HPLC A30, Standard Method for the Determination of 4,5 Dichloro-2-N-Octyl-4-Isothiazolin-3-one (DCOI) in Wood by High Performance Liquid Chromatography (H
10、PLC) A31, Standard Methods for the Analysis of Solutions and Wood for Azoles by Gas Chromatography (GC) A37, Standard for Determination of Quaternary Ammonium Compounds in Wood and Wood Treating Solutions by Potentiometric Titration Using Sodium Tetraphenylborate A43, Standard Method for Analysis of
11、 Imidacloprid in Wood and Waterborne Formulations A46, Standard Method for Determining MCS Stabilizer Concentration in EL2 Treatment Solution Samples by Turbidity Measurement A47, Standard Method for Determination of MCS Stabilizer Concentration in EL2 Treated Wood and Wood Treatment Solutions A48,
12、Standard Method for Analysis of Propiconazole, Tebuconazole and Imidacloprid in Treated Wood Products by High Performance Liquid Chromatography A49, Standard for Determination of Heartwood in Pines and Douglas-fir (newreplacing info in section of current M2) M2, Standard for Inspection of Treated Pr
13、oducts Treated with Preservatives M3, Standard Quality Control Procedures for Wood Preserving Plants M4, Standard for the Care of Preservative-Treated Wood Products M6, Brands Used on Preservative Treated Materials P1/P13, Standard for Creosote Preservative P2, Standard for Creosote Solution P3, Sta
14、ndard for Creosote-Petroleum Solution P4, Standard for Petroleum Oil for Blending with Creosote P9, Standards for Solvents and Formulations for Organic Preservative Systems P21, Standard for Acid Copper Chromate (ACC) P22, Standard for Ammoniacal Copper Zinc Arsenate (ACZA) P23, Standard for Chromat
15、ed Copper Arsenate Type C (CCA) P27, Standard for Alkaline Copper Quat Type B (ACQ-B) P28, Standard for Alkaline Copper Quat Type C (ACQ-C) P29, Standard for Alkaline Copper Quat Type D (ACQ-D) P32, Standard for Copper Azole Type B (CA-B) P35, Standard for Pentachlorophenol (PCP) P36, Standard for C
16、opper Naphthenate (CuN) P45, Standard for Propiconazole Tebuconazole Imidacloprid (PTI) P47, Standard for DCOI/Imidacloprid/Stabilizer, Waterborne (EL2) P48, Standard for Copper Azole Type C (CA-C) U1, Use Category System: User Specification for Treated Wood 2016 by the American Association of State
17、 Highway and Transportation Officials. All rights reserved. Duplication is a violation of applicable law.TS-4c M 133-3 AASHTO 2.4. International Code CouncilEvaluation Service, Inc. (ICCES) Standard: AC326, Acceptance Criteria for Proprietary Wood Preservative SystemsCommon Requirements for Treatmen
18、t Process, Test Methods and Performance 3. GENERAL REQUIREMENTS 3.1. Standards of the American Wood Protection Association (AWPA) and specified commercial standards are incorporated herein by reference. Attention is called to the fact that all preservatives are not equally effective on all species o
19、f wood or under all conditions of exposure. The engineer preparing the plans and specifications should select the type of preservatives, retentions, and species best suited for the purpose and conditions. 3.2. International Code Council Evaluation Service, Inc. (ICC-ES) requirements and specified co
20、mmercial standards are incorporated herein by reference. Treated wood product reports issued by the ICC-ES as Evaluation Service Reports (ESRs) must be current as posted on the ICC-ES website www.icc-es.org and in compliance with AC326. The treated wood products report must allow for the end use tha
21、t is required by the project specifications. 4. TIMBER QUALITY 4.1. The properties of the timber selected for preservative treatment shall conform to the requirements of M 168. 5. PRESERVATIVE QUALITY 5.1. The following named preservatives are acceptable in this specification. The properties shall b
22、e those set forth in the referenced AWPA Standards: 5.1.1. CreosoteP1/P13 5.1.2. Creosote-Coal Tar SolutionP2 5.1.3. Creosote-Petroleum SolutionP3 5.1.4. Petroleum for Blending with CreosoteP4 5.1.5. PentachlorophenolP35 5.1.6. Solvents Used in Pentachlorophenol SolutionsP9 5.1.7. Acid Copper Chroma
23、teP21 5.1.8. Ammoniacal Copper Zinc ArsenateP22 5.1.9. Chromated Copper Arsenate, Type CP23 5.1.10. Alkaline Copper Quat, Type BP27 2016 by the American Association of State Highway and Transportation Officials. All rights reserved. Duplication is a violation of applicable law.TS-4c M 133-4 AASHTO 5
24、.1.11. Copper NaphthenateP36. 5.1.12. Alkaline Copper Quat, Type CP28 5.1.13. Alkaline Copper Quat, Type DP29 5.1.14. Copper Azole, Type B (CA-B)P32 5.1.15. Copper Azole, Type C (CA-C)P48 5.1.16. Propiconazole Tebuconazole Imidacloprid (PTI)P45 5.1.17. DCOI/Imidacloprid/Stabilizer, Waterborne (EL2)P
25、47 5.2. The following preservative systems are acceptable by means of a published and current ICC-ES Report (ESR) and are in compliance with AC326: 5.2.1. Micronized Copper Quaternary (MCQ) 5.2.2. Micronized Copper Azole (MCA) 5.2.3. Dispersed Copper Azole Type C (CA-C or MCA-C) 6. PRESERVATIVE TREA
26、TMENT PROCESSES AND RESULTS 6.1. Wood products shall be treated in accordance with the ICC-ES Evaluation Report or AWPA Standard U1Use Category System: User Specification for Treated Wood. A Use Category appropriate for the application shall be established in accordance with Standard U1 Sections 2 a
27、nd 3. Specific requirements for various commodities can then be found in Section 6. 6.1.1. Sawn ProductsU1, Section 6, Commodity Specification A (includes all sawn products). 6.1.2. Round Timber PilingU1, Section 6, Commodity Specification E. 6.1.3. Round PolesU1, Section 6, Commodity Specification
28、D (16 ft or longer). 6.1.4. Round PostsU1, Section 6, Commodity Specification B (less than 16 ft long). 6.1.5. Wood CompositesU1, Section 6, Commodity Specification F (includes plywood). 6.2. Field treatment of cuts, holes, and injuries to treated wood products shall be in accordance with AWPA Stand
29、ard M4. 7. INSPECTION AND MARKING 7.1. Treatment shall conform to the quality requirements described in the ICC-ES Evaluation Report or AWPA M3, Standard Quality Control Procedures for Wood Preserving Plants. The wood treater shall apply to each piece of treated timber a legible brand, mark, or tag
30、indicating the name of the treater and the specification symbol or requirement to which the treatment conforms. Acceptable symbols of compliance shall be similar to brands listed in AWPA M6, or as provided for in the plans or special provisions. 2016 by the American Association of State Highway and
31、Transportation Officials. All rights reserved. Duplication is a violation of applicable law.TS-4c M 133-5 AASHTO 7.2. The engineer shall be provided adequate facilities and free access to the necessary parts of the treating plant for inspection of material, workmanship, and treating processes, to de
32、termine that the contract requirements are met. Inspection of the treatment and products shall conform to the requirements of AWPA M2, Standard for Inspection of Wood Products Treated with Preservatives. The engineer reserves the right to retest all materials after delivery to the job site and to re
33、ject all materials that do not meet the requirements of the contract. Reinspection at the job site may include assay to determine retention of preservatives and extraction and analysis of preservative to determine its quality. 8. METHODS OF SAMPLING AND TESTING 8.1. The sampling and testing of wood
34、preservatives shall be in accordance with the following standard methods of the American Association of State Highway and Transportation Officials (AASHTO), the American Society for Testing Materials (ASTM), and the American Wood Protection Association (AWPA): 8.1.1. Sampling Wood PreservativesAWPA
35、A4 8.1.2. Specific Gravity at 38/15.5C of Creosote SolutionAWPA A1 8.1.3. Water in CreosoteAWPA A1 8.1.4. Insoluble Matter in CreosoteAWPA A1 8.1.5. Distillation of CreosoteAWPA A1 8.1.6. Tar Acids in Creosote and Creosote-Coal Tar SolutionsASTM D453 8.1.7. Specific Gravity of PetroleumASTM D287 8.1
36、.8. Flash Point of Petroleum (Pensky-Martens)ASTM D93 8.1.9. Viscosity, SayboltAASHTO T 72 8.1.10. Pentachlorophenol in Oil-Borne PreservativesAWPA A5 8.1.11. Chromium, Copper, Arsenic and Zinc in Water-borne Preservatives by X-rayAWPA A9, by ICPAWPA A21 8.1.12. Naphthenic Acid in Copper Naphthenate
37、AWPA A13 8.1.13. Water-Extractable Copper in Copper NaphthenateAWPA A14 8.1.14. Quaternary Compounds in ACQ Preservative or Micronized Copper QuaternaryAWPA A18 or A37 8.1.15. Propiconazole and Tebuconazole in Waterborne Preservatives by HPLCAWPA A28; by GCAWPA A31 8.1.16. Analysis of Imidacloprid i
38、n Waterborne Preservatives and Wood by HPLCAWPA A43 8.1.17. Wood Densities for Preservative Retention CalculationsAWPA A12 8.1.18. Standard for Wet Ashing Procedures for Preparing Wood for Chemical AnalysisAWPA A7 2016 by the American Association of State Highway and Transportation Officials. All ri
39、ghts reserved. Duplication is a violation of applicable law.TS-4c M 133-6 AASHTO 8.1.19. Determination of 4,5 Dichloro-2-N-Octyl-4-Isothiazolin-3-one (DCOI) in Wood and SolutionsAWPA A30 8.1.20. Determination of MCS Stabilizer Concentration in EL2 Treated Wood and Wood Treatment SolutionsAWPA A47 1Available from American Wood Protection Association, P.O. Box 361784, Birmingham, AL 35236-1784, Tel: (205) 733-4077, . 2016 by the American Association of State Highway and Transportation Officials. All rights reserved. Duplication is a violation of applicable law.
