VA 07 18 13-2011 PEDESTRIAN TRAFFIC COATINGS.pdf

1、09-11 07 18 13 - 1 SECTION 07 18 13 PEDESTRIAN TRAFFIC COATINGS SPEC WRITER NOTE: Delete between /-/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. PART 1 - GENERAL 1.1 DESCRIPTION This section specifies a surface appl

2、ied elastomeric and composition waterproofing type membrane suitable for light pedestrian traffic and recreation areas, but not intended for heavy industrial use. 1.2 RELATED WORK A. Plywood underlayment: Section 06 10 00, ROUGH CARPENTRY. B. Metal flashing: Section 07 60 00, FLASHING AND SHEET META

3、L. C. Color and texture of finish coat: Section 09 06 00, SCHEDULE FOR FINISHES. 1.3 TEST AREA Before start of general application, apply the elastomeric coating as specified in a representative test area. The area shall be approximately 9 m2 (100 square feet). The area to be covered by the coating

4、shall include all site conditions such as flashings bases, corners and projections through the coating. Location of test area shall be determined by the Resident Engineer, and after approval, shall serve as an example for the remaining work. 1.4 SUBMITTALS A. Submit in accordance with Section 01 33

5、23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Manufacturers Literature and Data: Each material, indicating compliance with specification requirements. C. Samples: Each finish color on 100 by 200 mm (4 by 8 inch) substrate, layered to show each coat and finish. 1.5 WARRANTY Warranty surfaces, wher

6、e elastomeric coating has been applied, against leaks and other failures, over and above normal wear and failure of substrate, and subject to the terms of the “Warranty of Construction“, FAR clause 52.246-21, except that the warranty period is two years. Provided by IHSNot for ResaleNo reproduction

7、or networking permitted without license from IHS-,-,-09-11 07 18 13 - 2 1.6 DELIVERY AND STORAGE A. Deliver materials to the site in original sealed containers, clearly marked with manufacturers name and brand, and type of material. B. Store materials in weathertight and dry storage facility. Protec

8、t from damage from handling, weather and construction operations before, during and after installation. Store materials at temperatures and under conditions recommended by the manufacturer. 1.7 ENVIRONMENTAL REQUIREMENTS Do not proceed with application of materials when ambient temperature is less o

9、r greater than that recommended by the coating material manufacturer. 1.8 SAFETY REQUIREMENTS Keep products away from heat, sparks and flame. Do not permit use of spark-producing equipment during application of flammable products or where explosive fumes are present. 1.9 APPLICABLE PUBLICATIONS A. T

10、he publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by basic designation only. B. American Society for Testing and Materials (ASTM): C794-10 Adhesion-in-Peel of Elastomeric Joint Sealants D412-06 Vulcanized Rubber and T

11、hermoplastic Elastomers-Tension D2240-05(R2010) Rubber Property - Durometer Hardness E96-10 . Water Vapor Transmission of Materials PART 2 - PRODUCTS SPEC WRITER NOTE: Make material requirements agree with applicable requirements specified in the referenced Applicable Publications. Update and specif

12、y only that which applies to the project. 2.1 PRIMER Type required by the elastomeric coating manufacturer. 2.2 ELASTOMERIC BASE AND TOP COAT Elastomeric base and top coat materials shall meet or exceed the following requirements: Property Test Method Base Coat Top Coat Provided by IHSNot for Resale

13、No reproduction or networking permitted without license from IHS-,-,-09-11 07 18 13 - 3 Property Test Method Base Coat Top Coat Tensile Strength ASTM D412 300 pounds per square inch 600 pounds per square inch Elongation ASTM D412 550 percent 200 percent Hardness, Shore A ASTM D2240 20 45 Peel Streng

14、th (on concrete) ASTM C794 30 pounds, 100 percent cohesion 100 percent cohesion to base coat Permeability ASTM E96 12 metric perms 0.06 metric perms 2.3 AGGREGATE Thoroughly washed, clean, medium grained sharp indigenous stone granules, graded between 1mm and 4mm in size, and having a hardness of 6.

15、5 or greater on the Mohs scale. PART 3 - EXECUTION 3.1 SURFACE PREPARATION A. Surfaces to be coated shall be clean and dry. Smooth rough spots and tool marks. B. Fill holes, depressions and cracks with fillers compatible with the coating material and recommended by the coating manufacturer. C. Subsu

16、rface imperfections that telegraph through the finish coating surface will not be accepted. 3.2 WORK COORDINATION To provide a watertight installation, coordinate this work with flashing and drains required to be installed before the coating work begins and be completed after the coating is in place

17、. 3.3 APPLICATION A. Prime all surfaces to receive elastomeric waterproofing materials as recommended by the products manufacturer. B. Where horizontal surfaces intersect vertical surfaces provide a sealant type fillet as recommended by the manufacturers. C. Apply elastomeric base coat at a rate tha

18、t will ensure a dry film thickness of not less than 35 mils. D. Uniformly disperse aggregate topping at the rate of 0.5 Kg per m2 (10 lbs/100 sq. ft.); inter-bond and vulcanize granules within the fluid elastomeric topping in accordance with manufacturers instructions. Provided by IHSNot for ResaleN

19、o reproduction or networking permitted without license from IHS-,-,-09-11 07 18 13 - 4 E. Apply elastomeric top coat at a rate which will ensure a dry film thickness of 15 mils for the top coat and a total combined dry film thickness for the base and top coats of not less than 50 mils. F. Complete t

20、he base to a uniform established line as shown. 3.4 CLEANING Remove smears of elastomeric material from other work. 3.5 PROTECTION Protect the finished coating from traffic until the coating cures. - - - E N D - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-