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Home My WebLink AboutS001.0,09.-,.. � w � z 0 � U m � o O ry K � N � O 'U �� NN �+ U y(ON �1_ U � N � � � N N � o � � ^ O 3 �r� c�� . Y � N � j� N �Qo�U mma"� 0 � N � W 'p 7 C Q Q F U W H _ U K Q Y � a J U Z O 0 � O C9 WOOD ROOF TRUSSES 1.01 WORKINCLUDED A. FABRICATE AND SUPPLY WOOD TRUSSES AS SHOWN ON THE DRAWINGS AND AS SPECIFlED. WORK TO WCLUDE ANCHORAGE, BLOCKING, CURBING, MISCELLANEOUS FRAMING AND BRACING. 1.02 DEFINITIONS A. TRUSS: THE TERMS "TRUSS" AND "WOOD TRUSS COMPONENT" REFER TO OPEN WEB LOAD CARRYING ASSEMBLIES SUITABLE FOR SUPPORT OF ROOF DECKS OR FLOORS IN BUILDINGS. B.MANUFACTURER:A MANUFACTURER WHOIS REGULARLY ENGAGED IN DESIGN AND FABRICATION OF WOOD TRUSS COMPONENTS. C. TRUSS INSTALLER: BUILDER, CONTRACTOR OR SUB- CONTRACTOR WHO IS RESPONSIBLE FOR THE FIELD STORAGE, HANDLING AND INSTALLATION OF TRUSSES. 1.03 TRUSS DESIGN A. TRUSSES SHALL BE DESIGNED IN ACCORDANCE WITH THESE SPEGFICATIONS AND WHERE ANY APPLICABLE DESIGN FEATURE IS NOT SPECIFIED HEREIN, DESIGN SHALL BE IN ACCORDANCE WITH APPLICABLE PROVISIONS OF LATEST EDITION OF NATIONAL DESIGN SPECIFICATION FOR WOOD CONSTRUCTION (NCD) AMERICAN FOREST AND PAPER ASSOCIATION (AFPA), AND DESIGN SPECIFICATIONS FOR METAL PLATE CONNECTED WOOD TRUSSES (ANSIITPI 1), TRUSS PLATE INSTITUTE (TPI), AND CODE OF JURISDICTION. B. TEMPORARY BRACING: STRICTLY FOLLOW TPI DSB FOR DESIGN SPECIFICATIONS FOR TEMPORARY BRACING. C. HANDLING, INSTALLING AND BRACING: STRICTLY FOLLOW TPI HIB COMMENTARY AND RECOMMENDATIONS. D. MANUFACTURER SHALL FURNISH DESIGN DRAWINGS BEARING SEAL AND REGISTRATION NUMBER OF A CIVIL OR STRUCTURAL ENGINEER LICENSED IN THE STATE OF INDIANA. DRAWINGS SHALL BE APPROVED BY ARCHITECT PRIOR TO FABRICATION. E. TRUSS DESIGN DRAWINGS SHALL INCLUDE AS MINIMUM INFORMATION: 1. SPAN, DEPTH OR SLOPE AND SPACING OF TRUSSES; 2. REQUIRED BEARING WIDTH; 3. DESIGN LOADS AS APPLICABLE, TO MEET ALL CURRENT INDIANA CODES; 4. ADJUSTMENT TO WMBER AND PLATE DESIGN RELEASED FOR CONSTRl1CTI0N LOADS FOR CONDITION OF USE; Su6jec� �o compliance with all regula�ions 04 S�a�e antl Local Codes City of Carmel `�j sv�� \'��v�N�nl.� � � onrE: 12/18/19 5. REACTIVE FORCES, THEIR POINTS OF OCCURRENCE AND DIRECTION; 6. PLATE TYPE, GAGE, SIZE AND LOCATION OF PLATE AT EACH JOINT; 7. LUMBER SIZE, SPECIES AND GRADE FOR EACH MEMBER; 8 LOCATION OF ANY REQUIRED CONTINUOUS LATER BRACING; 9. CALCULATED DEFLECTION RATIO AND/OR MAXIMUM DERECTION FOR LIVE AND TOTAL LOAD; 10. MAXIMUM AXIAL COMPRESSIVE FORCES IN TRUSS MEMBERS; 1 L LOCATION OF JOINTS; 12. CONNECTION REQUIREMENTS FOR: a. TRUSS TO TRUSS GIRDERS; b. TRUSS PLY TO PLY; AND c. FIELD SPLICES. F. PROVIDE METAL PLATE CONNECTED WOOD TRUSSES CAPABLE OF WITHSTANDING DESIGN LOADS WITHIN LIMITS AND UNDER CONDITIONS INDICATED. a. DESIGN LOADS: 1. DEAD LOAD: 15 PSF 2. LIVE LOAD: 25 PSF 3. SNOW EXPOSURE FACTOR:.9 4. SNOW LOAD IMPORTANCE FACTOR: 1.0 5. THERMAL FACTOR: 1.0 b. MAXIMUM DEFLECTION UNDER DESIGN LOADS: 1. ROOF TRUSSES: VERTICAL DEFLECTION OF 1I360 OF SPAN. 2. ROOF TRUSSES: HORIZONTAL DEFLECTION AT REACTIONS OF 1-1/41NCHES. 2.01 MATERIALS A. LUMBER: c. LUMBER USED FOR TRUSS MEMBERS SHALL BE IN ACCORDANCE WITH PUBLISHED VALUES OF LUMBER RULES WRITING AGENCIES APPROVED BY BOARD OF REVIEW OF AMERICAN WMBER STANDARDS COMMITTEE. LUMBER SHALL BE IDENTIFIED BY GRADE MARK OF A WMBER INSPECTION BUREAU OR AGENCY APPROVED BY THAT BOARD, AND SHALL BE AS SHOWN ON DESIGN DRAWINGS. d. MOISTURE CONTENT OF LUMBER SHALL BE NO LESS THAN 7 PERCENT NOR GREATER THAN 19 PERCENT AT TIME OF FABRICATION. POOL HOUSE FOUNDATION PLAN SCALB 1/4" = 1'-0" e. ADJUSTMENT OF VALUES FOR DURATION OF LOAD OR CONDITIONS OF USE SHALL BE IN ACCORDANCE WITH THE NATIONAL DESIGN SPECIFICATIONS FOR WOOD CONSTRUCTION (NDS). f. FIRE RETARDANT TREATED LUMBER, IF APPLICABLE SHALL MEET SPEGFICATIONS OF TRUSS DESIGN AND ANSI/TPI 1- 1995, PAR 9.1.5 AND SHALL BE RE-DRIED AFTER TREATMENT IN ACCORDANCE WITH AWPA STANDARD C20. ALLOWABLE VAW ES MUST BE ADJUSTED IN ACCORDANCE WITH NDS PAR 2.3.6. LUMBER TREATER SHALL SUPPLY CERTIFICATE OF COMPLIANCE. B.METAL CONNECTOR PLATES: METAL CONNECTOR PLATES SHALL MEET OR EXCEED ASTM A653- 94 GRADE 3 AND SHALL BE HOT DIPPED GALVANIZED ACCORDING TO ASTM A653-94, COATING DESIGNATION G60. WORKING STRESSES IN STEEL ARE TO BE APPLIED TO EFFECTIVE RATIOS FOR PLATES AS DETERMINED BY TESTING IN ACCORDANCE WITH APPENDIX E AND F OF ANSI?PI 1-1995. 2.02 TRUSS FABRICATION TRUSSES SHALL BE FABRICATED IN A PROPERLY EQUIPPED MANUFACTURING FACILITY OF A PERMANENT NATURE. TRUSSES SHALL BE MANUFACTURED BY EXPERIENCED WORKMEN, USING PRECISION CUTTING, JIGGING, AND PRESSING EQUIPMENT MEETING REQUIREMENTS OF ANSIITPI 1-1995, SECTION 4. TRUSS MEMBERS SHALL BE ACCURATELY CUT TO LENGTH ANGLE AND TRUE LWE TO ASSURE PROPER FITTING JOINTS WITHIN TOLERANCES SET FORTH IN ANSIITPI 1-1995, SECTION 4, AND PROPER FIT WITH OTHER WORK. 3.01 HANDLING, INSTALLATION AND BRACING OF ROOF AND FLOOR TRUSSES 1. TRUSS DELIVERY SHALL BE SCHEDULED REASONABLY NEAR THE SCHEDULED TIME OF ERECTION. 2. TRUSSES SHALL BE HANDLED DURING FABRICATION, DELIVERY AND AT JOB SITE SO AS NOT TO BE SUBJECTED EXCESSIVE BENDING. 3. TRUSSES SHALL BE UNLOADED ON SMOOTH GROUND TO AVOID LATERAL STRAIN. TRUSSES SHALL BE PROTECTED FROM DAMAGE THAT MIGHT RESULT FROM ON-SITE ACTIVITIES AND ENVIRONMENTAL CONDITIONS. PREVENT TOPPLING WHEN BANDING IS REMOVED. 4. UPON ARRIVAL AND DURING THE UNLOADING PROCESS, TRUSSES SHALL BE INSPECTED FOR DAMAGE. 5. HANDLE DURING INSTALLATION IN ACCORDANCE WITH HANDLING, INSTALLING AND BRACING WOOD TRUSSES (HIB- 91), TPI, AND ANSI/TPI 1-1995. INSTALLATION SHALL BE CONSISTENT WITH GOOD WORKMANSHIP AND GOOD BUILDING PRACTICES AND SHALL BE RESPONSIBILITY OF TRUSS INSTALLER. 6. APPARENT DAMAGE TO TRUSSES, IF ANY, SHALL BE REPORTED TO MANUFACTURER PRIOR TOINSTALLATION. 7. TRUSSES SHALL BE SET AND SECURED LEVEL AND PWMB, AND IN CORRECT LOCATION. TRUSSES SHALL BE HELD TO CORRECT ALIGNMENT UNTIL SPEGFlED PERMANENT BRACING ISINSTALLED. 8. CUTTING AND ALTERING OF TRUSSES IS NOT PERMITTED. 9. CONCENTRATED LOADS SHALL NOT BE PLACED ATOP TRUSSES UNTIL ALL SPECIFIED BRACING HAS BEEN INSTALLED AND DECKING IS PERMANENTLY NAILED IN PLACE. SPEGFICALLY AVOID STACKING FULL BUNDLES OF DECKING OR OTHER HEAVY MATERIAL ONTO UNSHEATHED TRUSSES. 10. ERECTION BRACING IS REQUIRED. PREVENT TOPPLING OR "DOMINOING" (CASCADING COLLAPSE) OR TRUSSES DURING INSTALLATION. 11. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING AND FURNISHING THE MATERIALS USED FOR INSTALLATION OF PERMANENT BRACING. 3.02 REPAIRS AND PROTECTION: REPAIR DAMAGED GALVANIZED COATINGS ON ESPOSED SURFACES WITH GALVANIZED REPAIR PAINT ACCORDING TO ASTM A 780. REPAIR OR REPLACE TRUSSES OR ACCESSORIES DAMAGED IN DELIVERY OR INSTALLATION IMMEDIATELY. END � � � J � O d 0 Z � Z � J � m � W � Q � � Z C Q � U � W J W 2 � Q Z Q � Z � � z � � Z � J � Q _ JULY 1 L 2019 � e' No. e AR0003i SiAiE A1.2