1、10-10 09 67 23.50 - 1 SECTION 09 67 23.50 RESINOUS (EPOXY TERRAZZO) FLOORING (RES-5) SPEC WRITER NOTE: 1. Delete / _/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. 2. Identified as RES-5 in for resinous flooring appli
2、cation in VA Program Guide PG 18-14 “Room Finishes, Door address of installation, contact information at installation project site; and date of installation. 3. Installers Personnel: Employ persons trained for application of specified product C. Source Limitations: 1. Obtain primary resinous floorin
3、g materials including primers, resins, hardening agents, grouting coats and finish or sealing coats from a single manufacturer. 2. Provide secondary materials, including /marble chips/ /aggregate/, strips, patching and fill material, joint sealant, and repair material of type and from source recomme
4、nded by manufacturer of primary materials. 3. Obtain /marble chips/ /aggregate/ color, grade, type, and variety of granular materials from one source with resources to provide materials of consistent quality in appearance and physical properties. 4. Material furnished shall meet NTMA Specifications.
5、 D. NTMA Standards: Comply with NTMAs “Terrazzo Specification and Design Guide” and written recommendations for terrazzo type indicated unless more stringent requirements are specified. E. Mockups: Apply mockups to verify selections made under sample submittals and to demonstrate aesthetic effects a
6、nd establish quality standards for materials and execution. 1. Apply full-thickness mockups on 48 inch (1200 mm) square floor area selected by VA Resident Engineer. a. Include 48 inch (1200 mm) length of integral cove base. Provided by IHSNot for ResaleNo reproduction or networking permitted without
7、 license from IHS-,-,-10-10 09 67 23.50 - 4 2. Approved mockups may become part of the completed work if undisturbed at time of Substantial Completion. 3. Sign off from VA Resident Engineer on texture must be complete before installation of flooring system. F. Pre-Installation Conference: 1. Convene
8、 a meeting not less than thirty days prior to starting work. 2. Attendance: a. Contractor b. VA Resident Engineer c. Manufacturer and Installers Representative 3. Review the following: a. Environmental requirements 1) Air and surface temperature 2) Relative humidity 3) Ventilation 4) Dust and contam
9、inates b. Protection of surfaces not scheduled to be coated c. Inspect and discus condition of substrate and other preparatory work performed d. Review and verify availability of material; installers personnel, equipment needed e. Design /and pattern/ /s/ and edge conditions. f. Performance of the c
10、oating with chemicals anticipated in the area receiving the resinous (epoxy terrazzo) flooring system g. Application and repair h. Field quality control i. Cleaning j. Protection of coating systems k. One-year inspection and maintenance l. Coordination with other work G. Manufacturers Field Services
11、: Manufacturers representative shall provide technical assistance and guidance for surface preparation and application of coating systems. H. Contractor Job Site Log: Contractor shall document daily; the work accomplished environmental conditions and any other condition event significant to the long
12、 term performance of the terrazzo installation. The Contractor shall maintain these records for one year after Substantial Completion. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 09 67 23.50 - 5 1.5 MATERIAL PACKAGING DELIVERY AND STORAGE A
13、. Deliver materials to the site in original sealed packages or containers, clearly marked with the manufacturers name or brand, type and color, production run number and date of manufacture. B. Protect materials from damage and contamination in storage or delivery, including moisture, heat, cold, di
14、rect sunlight, etc. C. Maintain temperature of storage area between 60 and 80degreesF (15 and 26 degrees C). D. Keep containers sealed until ready for use. E. Do not use materials beyond manufacturers shelf life limits. 1.6 PROJECT CONDITIONS A. Environmental Limitations: Comply with resinous floori
15、ng manufacturers written instructions for substrate temperature, ambient temperature, moisture, ventilation, and other conditions affecting resinous flooring applications. 1. Maintain material and substrate temperature between 65 and 85 degrees F (18 and 30 degrees C) during resinous flooring applic
16、ation and for not less than 24 hours after application. B. Lighting: Provide permanent lighting or, if permanent lighting is not in place, simulate permanent lighting conditions during resinous flooring application. C. Close spaces to traffic during resinous flooring application and for not less tha
17、n 24 hours after application, unless manufacturer recommends a longer period. D. Concrete substrate shall be properly cured for a minimum of 30 days. A vapor barrier must be present for concrete subfloors on or below grade. Otherwise, an osmotic pressure resistant grout must be installed prior to th
18、e resinous flooring. 1.7 WARRANTY A. Work subject to the terms of the Article “Warranty of Construction” FAR clause 52.246-21. B. Warranty: Manufacture shall furnish a single, written warranty covering the full assembly (including substrata) for both material and workmanship for a extended period of
19、 (3) full years from date of installation, or provide a joint and several warranty signed on a single document by manufacturer and applicator jointly and severally warranting the materials and workmanship for a period of (3) full years from date of installation. A sample warranty letter must be incl
20、uded with bid package or bid may be disqualified. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 09 67 23.50 - 6 SPEC WRITER NOTE: Update and specify publications which apply to the project. 1.8 APPLICABLE PUBLICATIONS A. The publication liste
21、d below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. B. ACI (American Concrete Institute): Comm. 503.1-92Four Epoxy Specifications (Reapproved 2003). C. American Society for Testing and Materials (ASTM): C109St
22、andard Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2” or 50 mm Cube Specimens) C131-06.Standard Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Machine C150Standard Specification for Portland Cement C190-8
23、5.Method of Test for Tensile Strength of Hydraulic Cement Mortars (Withdrawn 1990) C219-07aStandard Terminology Relating to Hydraulic Cement C267-01(2006).Standard Test Methods for Chemical Resistance of Mortars, Grouts, and Monolithic Surfacings and Polymer Concretes C307-03 (2008)Standard Test Met
24、hod for Tensile Strength of Chemical-Resistant Mortar, Grouts, and Monolithic Surfacings C413-01(2006).Standard Test Method for Absorption of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings and Polymer Concretes C501-84(2002).Standard Test Method for Relative Resistance to Wear of Unglazed
25、 Ceramic Tile by the Taber Abraser C531-00(2005).Standard Test Method for Linear Shrinkage and Coefficient of Thermal Expansion of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes C579-01(2006).Standard Test Method for Compressive Strength of Chemical-Resistant Mortar
26、s, Grouts, Monolithic Surfacings, and Polymer Concretes C580-02(2008).Standard Test Method for Flexural Strength and Modulus of Elasticity of Chemical-Resistant Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 09 67 23.50 - 7 Mortars, Grouts, Mo
27、nolithic Surfacings, and Polymer Concretes C638-09.Standard Descriptive Nonmenclature of Constituents of Aggregates for Radiation-Shielding Concrete C722-04.Standard Specification for Chemical-Resistant Monolithic Floor Surfacings C811-98(2008).Standard Practice for Surface Preparation of Concrete f
28、or Application of Chemical-Resistant Resin Monolithic Surfacings C881/C881M-02.Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete C882-05.Standard Test Method for Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant Shear D56-05Standard Test Method for Flash Point b
29、y Tag Closed Cup Tester D92-05a.Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester D412-06ae2Standard Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTension D570-98(2005).Standard Test Method for Water Absorption of Plastics D635-06.Standard Test Method for R
30、ate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position D638-08.Standard Test Method for Tensile Properties of Plastics D648-07.Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position D695-08.Standard Test Method for Comp
31、ressive Properties of Rigid Plastics D696-08.Standard Test Method for Coefficient of Linear Thermal Expansion of Plastics Between -30C and 30C With a Vitreous Silica Dilatometer D1308-02(2007)Standard Test Method for Effect of Household Chemicals on Clear and Pigmented Organic Finishes D1652-04Stand
32、ard Test Method for Epoxy Content of Epoxy Resins Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 09 67 23.50 - 8 D2047-04 .Standard Test Method for Static Coefficient of Friction of Polish-Coated Flooring Surfaces as Measured by the James Mach
33、ine D2240-05Standard Test Method for Rubber Property Durometer Hardness D4060-07Standard Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser E84-09c.Standard Test Method for Surface Burning Characteristics of Building Materials E162-09.Standard Test Method for Surface Flamma
34、bility of Using a Radiant Heat Energy Source E648-09aStandard Test Method for Critical Radiant Flux of Floor- Covering Systems Using a Radiant Heat Energy Source F1869-09Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride F2170-09Stan
35、dard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes G21-96(2002)Standard Practice for Determining Resistance of Synthetic Polymeric Materials to Fungi D. Army Corps of Engineers Guide Specs: 245.05Scratch Resistance E. Federal Test Method Standards (FTMS):
36、 141aMethod 6192 (CS #17 Wheel) 372.Critical radiant Flux F. Military Specification (Mil Spec): MIL-PRF-3134Para. 3.6, Resistance to Elevated Temperature Para. 3.15, Impact Resistance Para. 4.7.3, Indentation Resistance Para. 4.7.3, Indentation, No Cracking or Loss of Bond Water Absorption Para. 4.7
37、.4.2.1, Indentation under Steadily Applied Load Para. 4.7.5.1, Resistance to Elevated Temperatures Para. 4.7.8, Water Absorption Para. 4.7.14, Adhesion G. National Association of Architectural Metal Manufacturers (NAAMM): Provided by IHSNot for ResaleNo reproduction or networking permitted without l
38、icense from IHS-,-,-10-10 09 67 23.50 - 9 AMP 501.Finishes for Aluminum H. National Fire Protection Association (NFPA): 56A.Inhalation Aesthetics replaced by NFPA 99 Standard for Health Care Facilities 253.Critical Radiant Flux I. National Terrazzo and Mosaic Association, Inc. (NTMA). “Terrazzo Spec
39、ifications and Design Guide“ “Terrazzo Color Palette” J. Terrazzo, Tile and Marble Association of Canada. (TTMAC). K. The Society For Protective Coatings (SSPC): SP6.Commercial Blast Cleaning L. Underwriters Laboratories (UL): UL410.Slip Resistance of Floor Surface Materials PART 2 - PRODUCTS 2.1 SY
40、STEM DESCRIPTION FOR RESINOUS (EPOXY TERRAZZO) FLOORING A. System Descriptions: 1. Monolithic, multi-layer, trowel applied multi-component epoxy urethane terrazzo and integral cove base. UV stable and breathable where required. B. Systems shall meet or exceed all applicable NTMA and TTMAC standards.
41、 SPEC WRITER NOTES: 1. Verify specifics of system with manufacturer. 2. Other products may meet specification requirements. 3. Up to specifications date of issue approved manufacturer and products met specification requirements. It is spec writers responsibility to confirm material formulations have
42、 not changed and specification requirements will be met. C. System Components: Verify specific requirements as systems vary by manufacturer. Verify compatibility with substrate. Use manufacturers standard components, compatible with each other and as follows: 1. Bond Coat (Primer): Verify inclusion
43、of primer in manufacturers system. a. Resin: Epoxy. b. Formulation Description: 100 percent solids. c. Binder: Formulated to meet physical properties of MIL-D-3134F. d. Application Method: Apply by spray, brush, or roller. 1) Thickness of coats: Verify thickness as systems vary by manufacturer; appr
44、oximate range from 5 to 6 mils Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 09 67 23.50 - 10 (0.13 to 0.15 mm) to 150 to 250 square feet per gallon (52.76 to 87.93 square meters per liter). 2. Body Coat: a. Resin: Epoxy or Urethane. b. Formu
45、lation Description: 100 percent solids. c. Binder: Formulated to meet physical properties of MIL-D-3134F. d. Application Method: Varies by manufacturer; hand or power troweled. 1) Trowel application: a) Thickness of coat: Verify thickness as systems vary by manufacturer; approximate range from 3/16
46、inch or 1/4 inch or 3/8 inch (4.76 to either 6.35 mm or 9.5 mm). b) Number of coats: One. e. Aggregates: Verify amount per thickness as systems vary by manufacturer: 1) Marble (#1 size maximum), glass, or granite chips or other approved materials. Colored rubberized aggregates 3. Grout Coat: a. Resi
47、n: Epoxy. b. Formulation Description: 100 percent solids. c. Application Method: Varies by manufacturer. Apply by red rubber squeegee or spring-steel trowel. 1) Apply to rough ground mortar coat to completely fill all voids. 2) Thickness of coat: Verify thickness as systems vary by manufacturer; app
48、roximate range from a minimum of 8 to 10 mils (0.2 to 0.25 mm) to a maximum of 400 to 500 square feet per gallon (140.65 to 175.81 square meters per liter). 4. Seal Coat/Top Coat: a. Resin: Single- or multi-component Urethane. b. Formulation Description: 100% solids. It shall have a pH factor betwee
49、n 7 and 10 and shall be a penetrating type specially prepared for use on terrazzo. It shall not discolor or amber the terrazzo and shall produce a slip resistant surface. Flash point of sealer shall be a minimum of 80 degrees F (26 degrees C) when tested in accordance with ASTM D 56. c. Application Method: Varies by manufacturer. Apply using notched squeegee a
