VA 09 63 40-2011 STONE FLOORING.pdf

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1、10-11 09 63 40- 1 SECTION 09 63 40 STONE FLOORING SPEC WRITER NOTE: Delete / _/ 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 The requirements for interior stone flooring, set in morta

2、r on a rigid base are covered in this section. 1.2 RELATED WORK A. Concrete Subfloors: Section 03 30 00, CAST-IN-PLACE CONCRETE B. Color and texture of / grout / mortar / stone/: Section 09 06 00, SCHEDULE FOR FINISHES C. See drawings for the paving pattern. 1.3 ALLOWABLE TOLERANCES A. Floor surface

3、 true to plane within 1 in 1000 (1/8-inch in 10 feet) not cumulative. B. Joint width deviation not greater than 10 percent of dimension shown. 1.4 SUBMITTAL A. In accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES, furnish the following: B. Samples: Five individual samples of

4、stone showing extreme variations in color and texture. C. Shop Drawings: Special stone shapes. 1.5 PRODUCT DELIVERY, STORAGE AND HANDLING A. Deliver masonry materials in original sealed containers marked with name of manufacturer and identification of contents. B. Store masonry materials under water

5、proof covers on planking clear of ground, and protect from handling damage, dirt stain, water and wind. 1.6 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.

6、B. American Society for Testing and Materials (ASTM): C144-04 Aggregate for Masonry Mortar C150-09 Portland Cement C241-09 Abrasion Resistance of Stone Subjected to Foot Traffic C270-10 Mortar for Unit Masonry Provided by IHSNot for ResaleNo reproduction or networking permitted without license from

7、IHS-,-,-10-11 09 63 40- 2 PART 2 - PRODUCTS 2.1 MATERIALS A. Stone Slabs: / Granite/ Bluestone / with abrasion resistance of at least 25 as measured by ASTM C241. Stone slabs to be uniform in quality and texture, free from shale, excess mica, seams, sealing and disintegration. B. Portland Cement: AS

8、TM C150. C. Coloring Pigments: Pure mineral pigments, lime proof and non-fading; added to / grout / mortar / by the manufacturer. Job colored / grout / and mortar / is not acceptable. 2.2 MORTAR ASTM C270, Type S. No admixtures permitted. Type N lime is not permitted. 2.3 GROUT One part portland cem

9、ent and three parts sand by volume. Mix with enough water for flowability. PART 3 - EXECUTION 3.1 APPLICABLE A. General: Do not use stone slabs with chips, cracks, discoloration or other visible defects. B. Installation with Portland Cement Grout: 1. Spread and screed mortar setting bed mixture 13 m

10、m to 25 mm (1/2-inch to 1-inch) in thickness true to plane. 2. Limit setting bed to minimum amount which can be covered with stone before initial set. 3. Apply 1 mm (1/32-inch) layer of neat cement paste over setting bed. Set and level each stone immediately. Tamp stone to completely contact setting

11、 bed. 4. Grout joints as soon as initial set is achieved. Place grout in joints, strike flush and tool slightly concave. 5. Cure grout by maintaining in a damp condition for seven days. C. Installation with Portland Cement Mortar: 1. Install in full bed joint. Remove excess mortar. Strike joints flush with top surface of stone and tool slightly concave. 2. Cure mortar by maintaining in a damp condition for seven days. - - - E N D - - - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-