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HomeMy WebLinkAbout17070018.4d - CL Lj C 18 C O H N E 0 Y 0 F- C N E 0- 0 N N N ry O W Q U U O O) c0 CO r- 0 / O E L 0 U Lli M 0 N C 033543 Polished Concrete Finishing 1. SUMMARY: SECTION INCLUDES POLISHED CONCRETE FINISHING, INCLUDING STAINING. 2. ACTION SUBMITTALS PRODUCT DATA: FOR EACH TYPE OF PRODUCT. SAMPLES: FOR EACH TYPE OF PRODUCT REQUIRING COLOR SELECTION. 3. QUALITY ASSURANCE - FIELD SAMPLE PANELS: AFTER APPROVAL OF SAMPLES, PRODUCE FIELD SAMPLE PANELS TO DEMONSTRATE THE APPROVED RANGE OF SELECTIONS MADE UNDER SAMPLE SUBMITTALS. PRODUCE A MINIMUM OF THREE SETS OF FULL-SCALE PANELS, APPROXIMATELY 48 BY 48 INCHES (1200 BY 1200 MM) MINIMUM, TO DEMONSTRATE THE EXPECTED RANGE OF FINISH, COLOR, AND APPEARANCE VARIATIONS. LOCATE PANELS AS INDICATED OR, IF NOT INDICATED, AS DIRECTED BY ARCHITECT. MAINTAIN FIELD SAMPLE PANELS DURING CONSTRUCTION IN AN UNDISTURBED CONDITION AS A STANDARD FOR JUDGING THE COMPLETED WORK. DEMOLISH AND REMOVE FIELD SAMPLE PANELS WHEN DIRECTED. 4. STAIN MATERIALS - REACTIVE STAIN: ACIDIC -BASED STAIN WITH WETTING AGENTS AND HIGH-GRADE, UV -STABLE METALLIC SALTS THAT REACT WITH CALCIUM HYDROXIDE IN CURED CONCRETE TO PRODUCE PERMANENT, VARIEGATED, OR TRANSLUCENT COLOR EFFECTS. BASIS OF DESIGN: SCOFIELD CHEMSTAIN, BLACK (CS -1) OR EQUAL BY APPROVED MANUFACTURERS: KEMIKO, W.R. MEADOWS, SUPER-KRETE STAINS SHALL COMPLY WITH THE TESTING AND PRODUCT REQUIREMENTS OF THE CALIFORNIA DEPARTMENT OF PUBLIC HEALTH'S "STANDARD METHOD FOR THE TESTING AND EVALUATION OF VOLATILE ORGANIC CHEMICAL EMISSIONS FROM INDOOR SOURCES USING ENVIRONMENTAL CHAMBERS." S. POLISHING - POLISH: LEVEL 2: LOW SHEEN, 400 GRIT. APPLY POLISHED CONCRETE FINISH SYSTEM TO CURED AND PREPARED SLABS. MACHINE GRIND FLOOR SURFACES TO RECEIVE POLISHED FINISHES LEVEL AND SMOOTH. APPLY REACTIVE STAIN FOR POLISHED CONCRETE IN POLISHING SEQUENCE AND ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS. APPLY PENETRATING LIQUID FLOOR TREATMENT FOR POLISHED CONCRETE IN POLISHING SEQUENCE AND ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS, ALLOWING RECOMMENDED DRYING TIME BETWEEN SUCCESSIVE COATS. APPLY PENETRATING STAIN FOR POLISHED CONCRETE IN POLISHING SEQUENCE AND ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS. CONTINUE POLISHING WITH PROGRESSIVELY FINER -GRIT DIAMOND POLISHING PADS TO GLOSS LEVEL, TO MATCH APPROVED MOCKUP. CONTROL AND DISPOSE OF WASTE PRODUCTS PRODUCED BY GRINDING AND POLISHING OPERATIONS. NEUTRALIZE AND CLEAN POLISHED FLOOR SURFACES. 6. ALLOW CONCRETE SURFACE TO DRY BEFORE APPLYING STAIN. VERIFY READINESS OF CONCRETE TO RECEIVE STAIN ACCORDING TO ASTM D 4263 BY TIGHTLY TAPING 18 -BY -18 -INCH (450 -BY -450 -MM), 4 -MIL- (0.1 -MM-) THICK POLYETHYLENE SHEET TO A REPRESENTATIVE AREA OF CONCRETE SURFACE. APPLY STAIN ONLY IF NO EVIDENCE OF MOISTURE HAS ACCUMULATED UNDER SHEET AFTER 16 HOURS. 7. REACTIVE STAIN: APPLY REACTIVE STAIN TO CONCRETE SURFACES ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS AND AS FOLLOWS: APPLY STAIN BY UNCOLORED BRISTLE BRUSH, ROLLER, OR HIGH-VOLUME, LOW-PRESSURE SPRAYER AND IMMEDIATELY SCRUB INTO CONCRETE SURFACE WITH UNCOLORED, ACID -RESISTANT NYLON -BRISTLE BRUSHES IN CONTINUOUS, CIRCULAR MOTION. DO NOT SPREAD STAIN AFTER FIZZING STOPS. ALLOW TO DRY FOUR HOURS AND REPEAT APPLICATION OF STAIN IN SUFFICIENT QUANTITY TO OBTAIN COLOR CONSISTENT WITH APPROVED MOCKUP. REMOVE STAIN RESIDUE AFTER FOUR HOURS BY WET SCRUBBING WITH COMMERCIAL -GRADE DETERGENT RECOMMENDED BY STAIN MANUFACTURER. RINSE UNTIL WATER IS CLEAR. CONTROL, COLLECT, AND LEGALLY DISPOSE OF RUNOFF. 8. PENETRATING STAIN: APPLY PENETRATING STAIN TO CONCRETE SURFACES ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS AND AS FOLLOWS: APPLY FIRST COAT OF STAIN TO DRY, CLEAN SURFACES BY AIRLESS SPRAYER OR BY HIGH-VOLUME, LOW-PRESSURE SPRAYER. ALLOW TO DRY FOUR HOURS AND REPEAT APPLICATION OF STAIN IN SUFFICIENT QUANTITY TO OBTAIN COLOR CONSISTENT WITH APPROVED MOCKUP. RINSE UNTIL WATER IS CLEAR. CONTROL, COLLECT, AND LEGALLY DISPOSE OF RUNOFF. 095123 Acoustical Tile Ceilings 1. SUMMARY A.GENERAL CONTRACTOR TO PROVIDE: *ALL WORK ASSOCIATED WITH ACOUSTICAL TILE CEILINGS. B. SECTION INCLUDES ACOUSTICAL TILES AND CONCEALED SUSPENSION SYSTEMS FOR CEILINGS. 2. QUALITY ASSURANCE A.TESTING AGENCY QUALIFICATIONS: QUALIFIED ACCORDING TO NVLAP. B. MOCKUPS: BUILD MOCKUPS TO VERIFY SELECTIONS MADE UNDER SAMPLE SUBMITTALS AND TO DEMONSTRATE AESTHETIC EFFECTS AND SET QUALITY STANDARDS FOR MATERIALS AND EXECUTION. •BUILD MOCKUP OF TYPICAL CEILING AREA AS SHOWN ON DRAWINGS. *SUBJECT TO COMPLIANCE WITH REQUIREMENTS, APPROVED MOCKUPS MAY BECOME PART OF THE COMPLETED WORK IF UNDISTURBED AT TIME OF SUBSTANTIAL COMPLETION. 3. PERFORMANCE REQUIREMENTS A. SEISMIC PERFORMANCE: ACOUSTICAL CEILING SHALL WITHSTAND THE EFFECTS OF EARTHQUAKE MOTIONS DETERMINED ACCORDING TO ASCE/SEI 7. B. SURFACE -BURNING CHARACTERISTICS: COMPLY WITH ASTM E 84; TESTING BY A QUALIFIED TESTING AGENCY. IDENTIFY PRODUCTS WITH APPROPRIATE MARKINGS OF APPLICABLE TESTING AGENCY. •FLAME -SPREAD INDEX: COMPLY WITH ASTM E 1264 FOR CLASS A MATERIALS. *SMOKE -DEVELOPED INDEX: 4500R LESS. 4. ACOUSTICAL TILE CEILINGS, GENERAL A.LOW-EMITTING MATERIALS: ACOUSTICAL TILE CEILINGS SHALL COMPLY WITH THE TESTING AND PRODUCT REQUIREMENTS OF THE CALIFORNIA DEPARTMENT OF HEALTH SERVICES' "STANDARD PRACTICE FOR THE TESTING OF VOLATILE ORGANIC EMISSIONS FROM VARIOUS SOURCES USING SMALL-SCALE ENVIRONMENTAL CHAMBERS." B. ACOUSTICAL TILE STANDARD: COMPLY WITH ASTM E 1264. C. METAL SUSPENSION SYSTEM STANDARD: COMPLY WITH ASTM C 635. D. ATTACHMENT DEVICES: SIZE FOR FIVE TIMES THE DESIGN LOAD INDICATED IN ASTM C 635, TABLE 1, "DIRECT HUNG," UNLESS OTHERWISE INDICATED. COMPLY WITH SEISMIC DESIGN REQUIREMENTS. 5. ACOUSTICAL TILES A.BASIS-OF-DESIGN PRODUCT: SUBJECT TO COMPLIANCE WITH REQUIREMENTS, PROVIDE PRODUCTS INDICATED ON DRAWINGS OR COMPARABLE PRODUCT BY ONE OF THE FOLLOWING: •ARMSTRONG WORLD INDUSTRIES, INC. •CERTAINTEED CORP. •USG INTERIORS, INC.; SUBSIDIARY OF USG CORPORATION. B. CLASSIFICATION: TYPE X11, FORM 2, PATTERN E C. TYPE ACT -1 (HIGH NRC): *BASIS OF DESIGN: ARMSTRONG ULTIMA OPEN PLAN OR EQUAL. •COLOR: WHITE, LR: .89 •NRC: MIN..75, TYPE E-400 MOUNTING ACCORDING TO ASTM E 795. •CAC: 35. •AC: 170. •EDGE/JOINT DETAIL: BEVELED TEGULAR EDGETHICKNESS: 3/4" *MODULAR SIZE: 24 BY 24 INCHES •TEXTURE: FINE 6. METAL SUSPENSION SYSTEM A. MANUFACTURERS: SUBJECT TO COMPLIANCE WITH REQUIREMENTS, PROVIDE PRODUCTS BY THE FOLLOWING: *ARMSTRONG WORLD INDUSTRIES, INC. •USG INTERIORS, INC.; SUBSIDIARY OF USG CORPORATION. B. STRUCTURAL CLASSIFICATION: HEAVY-DUTY SYSTEM. C. ACCESS: UPWARD ROLL -FORMED, SHEET -METAL EDGE MOLDINGS AND TRIM: MANUFACTURER'S STANDARD MOLDINGS FOR EDGES AND PENETRATIONS COMPLYING WITH SEISMIC DESIGN REQUIREMENTS; FORMED FROM SHEET METAL OF SAME MATERIAL, FINISH, AND COLOR AS THAT USED FOR EXPOSED FLANGES OF SUSPENSION -SYSTEM RUNNERS. 7. INSTALLATION A.INSTALL ACOUSTICAL TILE CEILINGS TO COMPLY WITH ASTM C 636/C 636M AND SEISMIC DESIGN REQUIREMENTS INDICATED, ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS AND CISCA'S "CEILING SYSTEMS HANDBOOK." B. MEASURE EACH CEILING AREA AND ESTABLISH LAYOUT OF ACOUSTICAL TILES TO BALANCE BORDER WIDTHS AT OPPOSITE EDGES OF EACH CEILING. AVOID USING LESS -THAN -HALF -WIDTH TILES AT BORDERS, AND COMPLY WITH LAYOUT SHOWN ON REFLECTED CEILING PLANS. C. ARRANGE DIRECTIONALLY PATTERNED ACOUSTICAL TILES AS INDICATED ON REFLECTED CEILING PLANS. 096513 Resilient Base and Accessories 1. SUMMARY A. GENERAL CONTRACTOR TO PROVIDE: •RESILIENT BASE. •RESILIENT MOLDING ACCESSORIES. 2. PROJECT CONDITIONS A.MAINTAIN AMBIENT TEMPERATURES WITHIN RANGE RECOMMENDED BY MANUFACTURER IN SPACES TO RECEIVE RESILIENT PRODUCTS. B. UNTIL SUBSTANTIAL COMPLETION, MAINTAIN AMBIENT TEMPERATURES WITHIN RANGE RECOMMENDED BY MANUFACTURER. C. INSTALL RESILIENT PRODUCTS AFTER OTHER FINISHING OPERATIONS, INCLUDING PAINTING, HAVE BEEN COMPLETED. 3. RESILIENT BASE A. RESILIENT BASE: •MANUFACTURERS: SUBJECT TO COMPLIANCE WITH REQUIREMENTS, PROVIDE PRODUCTS INDICATED ON DRAWINGS OR COMPARABLE PRODUCT BY ONE OF THE FOLLOWING: 1. JOHNSONITE 2. ARMSTRONG WORLD INDUSTRIES, INC. 3. FLEXCO, INC. 4. MONDO RUBBER INTERNATIONAL, INC. 5. ROPPE CORPORATION, USA. B. RESILIENT BASE STANDARD: ASTM F 1861. *MATERIAL REQUIREMENT: TYPE TS (RUBBER, VULCANIZED THERMOSET)] *MANUFACTURING METHOD: GROUP I (SOLID, HOMOGENEOUS. *STYLE: COVE (BASE WITH TOE. C. MINIMUM THICKNESS: 0.125 INCH (3.2 MM). D. HEIGHT: 4INCHES (102 MM)]. E. LENGTHS: COILS IN MANUFACTURER'S STANDARD LENGTH. F. OUTSIDE CORNERS: PREFORMED. G.INSIDE CORNERS: JOB FORMED OR PREFORMED. H.FINISH: AS SELECTED BY ARCHITECT FROM MANUFACTURER'S FULL RANGE]. I. COLORS AND PATTERNS: AS SELECTED BY ARCHITECT FROM FULL RANGE OF INDUSTRY COLORS. 4. RESILIENT MOLDING ACCESSORY A.RESILIENT MOLDING ACCESSORY: •MANUFACTURERS: SUBJECT TO COMPLIANCE WITH REQUIREMENTS, PROVIDE PRODUCTS BY ONE OF THE FOLLOWING: 1. BURKE MERCER FLOORING PRODUCTS; DIVISION OF BURKE INDUSTRIES, INC. 2. FLEXCO, INC. 3. JOHNSONITE. 4. ROPPE CORPORATION, USA. B. DESCRIPTION: REDUCER STRIP FOR RESILIENT FLOOR COVERING AND TRANSITION STRIPS. C. MATERIAL: RUBBER. D. PROFILE AND DIMENSIONS: PROVIDE VERTICAL LIP ON MOULDING OF MAXIMUM X INCH. PROVIDE BEVEL CHANGE IN LEVEL BETWEEN X AND'/ INCH WITH SLOPE NO GREATER THAN 1:2.. E. COLORS AND PATTERNS: AS SELECTED BY ARCHITECT FROM FULL RANGE OF INDUSTRY COLORS. 5. INSTALLATION MATERIALS A.TROWELABLE LEVELING AND PATCHING COMPOUNDS: LATEX -MODIFIED, PORTLAND CEMENT BASED OR BLENDED HYDRAULIC -CEMENT -BASED FORMULATION PROVIDED OR APPROVED BY MANUFACTURER FOR APPLICATIONS INDICATED. B. ADHESIVES: WATER-RESISTANT TYPE RECOMMENDED BY MANUFACTURER TO SUIT RESILIENT PRODUCTS AND SUBSTRATE CONDITIONS INDICATED. •ADHESIVES SHALL HAVE A VOC CONTENT OF 50 G/L OR LESS WHEN CALCULATED ACCORDING TO 40 CFR 59, SUBPART D (EPA METHOD 24. •ADHESIVES SHALL COMPLY WITH THE TESTING AND PRODUCT REQUIREMENTS OF THE CALIFORNIA DEPARTMENT OF HEALTH SERVICES' "STANDARD PRACTICE FOR THE TESTING OF VOLATILE ORGANIC EMISSIONS FROM VARIOUS SOURCES USING SMALL-SCALE ENVIRONMENTAL CHAMBERS." C. METAL EDGE STRIPS: EXTRUDED ALUMINUM WITH MILL FINISH OF WIDTH SHOWN, OF HEIGHT REQUIRED TO PROTECT EXPOSED EDGES OF TILES, AND IN MAXIMUM AVAILABLE LENGTHS TO MINIMIZE RUNNING JOINTS. 6. PREPARATION A.PREPARE SUBSTRATES ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS TO ENSURE ADHESION OF RESILIENT PRODUCTS. B. CONCRETE SUBSTRATES FOR RESILIENT ACCESSORIES: PREPARE ACCORDING TO ASTM F 710. •VERIFY THAT SUBSTRATES ARE DRY AND FREE OF CURING COMPOUNDS, SEALERS, AND HARDENERS. •REMOVE SUBSTRATE COATINGS AND OTHER SUBSTANCES THAT ARE INCOMPATIBLE WITH ADHESIVES AND THAT CONTAIN SOAP, WAX, OIL, OR SILICONE, USING MECHANICAL METHODS RECOMMENDED BY MANUFACTURER. DO NOT USE SOLVENTS. •ALKALINITY AND ADHESION TESTING: PERFORM TESTS RECOMMENDED BY MANUFACTURER. •MOISTURE TESTING: PERFORM TESTS RECOMMENDED BY MANUFACTURER AND AS FOLLOWS. PROCEED WITH INSTALLATION ONLY AFTER SUBSTRATES PASS TESTING. 1. PERFORM ANHYDROUS CALCIUM CHLORIDE TEST, ASTM F 1869. PROCEED WITH INSTALLATION ONLY AFTER SUBSTRATES HAVE MAXIMUM MOISTURE -VAPOR -EMISSION RATE OF 3 LB OF WATER/1000 SQ. FT. (1.36 KG OF WATER/92.9 SQ. M) IN 24 HOURS. 2. PERFORM RELATIVE HUMIDITY TEST USING IN SITU PROBES, ASTM F 2170. PROCEED WITH INSTALLATION ONLY AFTER SUBSTRATES HAVE MAXIMUM 75 PERCENT RELATIVE HUMIDITY LEVEL MEASUREMENT. C. FILL CRACKS, HOLES, AND DEPRESSIONS IN SUBSTRATES WITH TROWELABLE LEVELING AND PATCHING COMPOUND AND REMOVE BUMPS AND RIDGES TO PRODUCE A UNIFORM AND SMOOTH SUBSTRATE. D. DO NOT INSTALL RESILIENT PRODUCTS UNTIL THEY ARE SAME TEMPERATURE AS THE SPACE WHERE THEY ARE TO BE INSTALLED. *MOVE RESILIENT PRODUCTS AND INSTALLATION MATERIALS INTO SPACES WHERE THEY WILL BE INSTALLED AT LEAST 48 HOURS IN ADVANCE OF INSTALLATION. E. SWEEP AND VACUUM CLEAN SUBSTRATES TO BE COVERED BY RESILIENT PRODUCTS IMMEDIATELY BEFORE INSTALLATION. 7. RESILIENT BASE INSTALLATION A.COMPLY WITH MANUFACTURER'S WRITTEN INSTRUCTIONS FOR INSTALLING RESILIENT BASE. B. APPLY RESILIENT BASE TO WALLS, COLUMNS, PILASTERS, CASEWORK AND CABINETS IN TOE SPACES, AND OTHER PERMANENT FIXTURES IN ROOMS AND AREAS WHERE BASE IS REQUIRED. C. INSTALL RESILIENT BASE IN LENGTHS AS LONG AS PRACTICABLE WITHOUT GAPS AT SEAMS AND WITH TOPS OF ADJACENT PIECES ALIGNED. D. TIGHTLY ADHERE RESILIENT BASE TO SUBSTRATE THROUGHOUT LENGTH OF EACH PIECE, WITH BASE IN CONTINUOUS CONTACT WITH HORIZONTAL AND VERTICAL SUBSTRATES. E. DO NOT STRETCH RESILIENT BASE DURING INSTALLATION. 8. CLEANING AND PROTECTION A. COMPLY WITH MANUFACTURER'S WRITTEN INSTRUCTIONS FOR CLEANING AND PROTECTION OF RESILIENT PRODUCTS. B. COVER RESILIENT PRODUCTS UNTIL SUBSTANTIAL COMPLETION. 096813 Tile Carpeting 1. SUMMARY w O A.SECTION INCLUDES MODULAR, CARPETTILE. Architect B. RELATED REQUIREMENTS: 76351 *SECTION 09653 "RESILIENT BASE AND ACCESSORIES" FOR RESILIENT WALL BASE AND ACCESSORIES INSTALLED Suite WITH CARPET TILE. Indian 2. WARRANTY 317.2 A. SPECIAL WARRANTY FOR CARPET TILES: MANUFACTURER AGREES TO REPAIR OR REPLACE COMPONENTS OF CARPET TILE INSTALLATION THAT FAIL IN MATERIALS OR WORKMANSHIP WITHIN SPECIFIED WARRANTY PERIOD. *WARRANTY DOES NOT INCLUDE DETERIORATION OR FAILURE OF CARPET TILE DUE TO UNUSUAL TRAFFIC, FAILURE OF SUBSTRATE, VANDALISM, OR ABUSE. �v *FAILURES INCLUDE, BUT ARE NOT LIMITED TO, MORE THAN 10 PERCENT EDGE RAVELING, SNAGS, RUNS, DIMENSIONAL STABILITY, EXCESS STATIC DISCHARGE, LOSS OF TUFT BIND STRENGTH, LOSS OF FACE FIBER, v AND DELAMINATION. *WARRANTY PERIOD: LIFETIME FROM DATE OF FINAL ACCEPTANCE. 3. CARPET TILE A. BASIS -OF -DESIGN PRODUCT: PROVIDE PRODUCTS INDICATED ON DRAWINGS OR COMPARABLE PRODUCT BY ONE OF THE FOLLOWING: *INTERFACE. •MILLIKEN. *SHAW CARPET. B. COLOR: AS SCHEDULED. C. PATTERN: AS SCHEDULED. D. SIZE: AS SCHEDULED. 4. INSTALLATION ACCESSORIES A.TROWELABLE LEVELING AND PATCHING COMPOUNDS: LATEX -MODIFIED, HYDRAULIC -CEMENT -BASED FORMULATION PROVIDED OR RECOMMENDED BY CARPET TILE MANUFACTURER. B. ADHESIVES: WATER-RESISTANT, MILDEW -RESISTANT, NONSTAINING, PRESSURE -SENSITIVE TYPE TO SUIT PRODUCTS AND SUBFLOOR CONDITIONS INDICATED, THAT COMPLIES WITH FLAMMABILITY REQUIREMENTS FOR INSTALLED CARPET TILE AND IS RECOMMENDED BY CARPET TILE MANUFACTURER FOR RELEASABLE INSTALLATION. C. METAL EDGE/TRANSITION STRIPS: EXTRUDED ALUMINUM WITH MILL FINISH OF PROFILE AND WIDTH SHOWN, OF HEIGHT REQUIRED TO PROTECT EXPOSED EDGE OF CARPET, AND OF MAXIMUM LENGTHS TO MINIMIZE RUNNING JOINTS. 5. EXAMINATION A.EXAMINE SUBSTRATES, AREAS, AND CONDITIONS, WITH INSTALLER PRESENT, FOR COMPLIANCE WITH REQUIREMENTS FOR MAXIMUM MOISTURE CONTENT, ALKALINITY RANGE, INSTALLATION TOLERANCES, AND OTHER CONDITIONS AFFECTING CARPET TILE PERFORMANCE. EXAMINE CARPET TILE FOR TYPE, COLOR, PATTERN, AND POTENTIAL DEFECTS. B. CONCRETE SUBFLOORS: VERIFY THAT CONCRETE SLABS COMPLY WITH ASTM F 710 AND THE FOLLOWING: *SLAB SUBSTRATES ARE DRY AND FREE OF CURING COMPOUNDS, SEALERS, HARDENERS, AND OTHER MATERIALS THAT MAY INTERFERE WITH ADHESIVE BOND. DETERMINE ADHESION AND DRYNESS CHARACTERISTICS BY PERFORMING BOND AND MOISTURE TESTS RECOMMENDED BY CARPET TILE MANUFACTURER. •SUBFLOOR FINISHES COMPLY WITH REQUIREMENTS SPECIFIED IN SECTION 033000 "CAST -IN-PLACE CONCRETE" FOR SLABS RECEIVING CARPET TILE. *SUBFLOORS ARE FREE OF CRACKS, RIDGES, DEPRESSIONS, SCALE, AND FOREIGN DEPOSITS. C. PROCEED WITH INSTALLATION ONLY AFTER UNSATISFACTORY CONDITIONS HAVE BEEN CORRECTED. 6. PREPARATION A. GENERAL: COMPLY WITH CRI 104, SECTION 6.2, "SITE CONDITIONS; FLOOR PREPARATION," AND WITH CARPET TILE MANUFACTURER'S WRITTEN INSTALLATION INSTRUCTIONS FOR PREPARING SUBSTRATES INDICATED TO RECEIVE CARPET TILE INSTALLATION. B. USE TROWELABLE LEVELING AND PATCHING COMPOUNDS, ACCORDING TO MANUFACTURER'S WRITTEN INSTRUCTIONS, TO FILL CRACKS, HOLES, DEPRESSIONS, AND PROTRUSIONS IN SUBSTRATES. FILL OR LEVEL CRACKS, HOLES AND DEPRESSIONS 1/8 INCH (3 MM) WIDE OR WIDER AND PROTRUSIONS MORE THAN 1/32 INCH (0.8 MM) UNLESS MORE STRINGENT REQUIREMENTS ARE REQUIRED BY MANUFACTURER'S WRITTEN INSTRUCTIONS. C. REMOVE COATINGS, INCLUDING CURING COMPOUNDS, AND OTHER SUBSTANCES THAT ARE INCOMPATIBLE WITH ADHESIVES AND THAT CONTAIN SOAP, WAX, OIL, OR SILICONE, WITHOUT USING SOLVENTS. USE MECHANICAL METHODS RECOMMENDED IN WRITING BY CARPET TILE MANUFACTURER. D. CLEAN METAL SUBSTRATES OF GREASE, OIL, SOIL AND RUST, AND PRIME IF DIRECTED BY ADHESIVE MANUFACTURER. ROUGH SAND PAINTED METAL SURFACES AND REMOVE LOOSE PAINT. SAND ALUMINUM SURFACES, TO REMOVE METAL OXIDES, IMMEDIATELY BEFORE APPLYING ADHESIVE. E. BROOM AND VACUUM CLEAN SUBSTRATES TO BE COVERED IMMEDIATELY BEFORE INSTALLING CARPET TILE. 7. INSTALLATION A.GENERAL: COMPLY WITH CRI 104, SECTION 14, "CARPET MODULES," AND WITH CARPET TILE MANUFACTURER'S WRITTEN INSTALLATION INSTRUCTIONS. B. INSTALLATION METHOD: GLUE DOWN; INSTALL EVERY TILE WITH FULL -SPREAD, RELEASABLE, PRESSURE SENSITIVE ADHESIVE. C. MAINTAIN DYE LOT INTEGRITY. DO NOT MIX DYE LOTS IN SAME AREA. D. CUT AND FIT CARPET TILE TO BUTT TIGHTLY TO VERTICAL SURFACES, PERMANENT FIXTURES, AND BUILT-IN a FURNITURE INCLUDING CABINETS, PIPES, OUTLETS, EDGINGS, THRESHOLDS, AND NOSINGS. BIND OR SEAL CUT EDGES AS RECOMMENDED BY CARPET TILE MANUFACTURER. Uj E. EXTEND CARPET TILE INTO TOE SPACES, DOOR REVEALS, CLOSETS, OPEN -BOTTOMED OBSTRUCTIONS, REMOVABLE U) FLANGES, ALCOVES, AND SIMILAR OPENINGS. F. MAINTAIN REFERENCE MARKERS, HOLES, AND OPENINGS THAT ARE IN PLACE OR MARKED FOR FUTURE CUTTING BY REPEATING ON FINISH FLOORING AS MARKED ON SUBFLOOR. USE NONPERMANENT, NONSTAINING MARKING DEVICE. &INSTALL PATTERN PARALLELTO WALLS AND BORDERS. REV DATE H.STAGGER JOINTS OF CARPET TILES SO CARPET TILE GRID IS OFFSET FROM ACCESS FLOORING PANEL GRID. DO NOT 02/28/2017 FILL SEAMS OF ACCESS FLOORING PANELS WITH CARPET ADHESIVE; KEEP SEAMS FREE OF ADHESIVE. 8. CLEANING AND PROTECTION 03/13/2017 A. PERFORM THE FOLLOWING OPERATIONS IMMEDIATELY AFTER INSTALLING CARPET TILE: 04/04/2017 *REMOVE EXCESS ADHESIVE, SEAM SEALER, AND OTHER SURFACE BLEMISHES USING CLEANER RECOMMENDED BY CARPET TILE MANUFACTURER. *REMOVE YARNS THAT PROTRUDE FROM CARPET TILE SURFACE. *VACUUM CARPET TILE USING COMMERCIAL MACHINE WITH FACE -BEATER ELEMENT. B. PROTECT INSTALLED CARPET TILE TO COMPLY WITH CRI 104, SECTION 16, "PROTECTING INDOOR INSTALLATIONS." C. PROTECT CARPET TILE AGAINST DAMAGE FROM CONSTRUCTION OPERATIONS AND PLACEMENT OF EQUIPMENT Proj AND FIXTURES DURING THE REMAINDER OF CONSTRUCTION PERIOD. USE PROTECTION METHODS INDICATED OR RECOMMENDED IN WRITING BY CARPET TILE MANUFACTURER. Date Sheet SPE cm