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HomeMy WebLinkAboutA010.1 LEGACY AMENITY AREA SHELTER5 - A3.1WOOD ROOF TRUSSES 1.01 WORKINCLUDED A. FABRICATE AND SUPPLY WOOD TRUSSES AS SHOWN ON THE DRAWINGS AND AS SPEGFlED. WORK TO INCLUDE 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 WHO IS REGULARLY ENGAGED IN DESIGN AND FABRICATION OF WOOD TRUSS COMPONENTS. C. TRUSS INSTALLER: BUILDER, CONTRACTOR OR SUB- CONTRACTOR WHO IS RESPONSIBLE FORTHE 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 SPEGFICATIONS FOR METAL PLATE CONNECTED WOOD TRUSSES (ANSVTPI 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 LUMBER AND PLATE DESIGN LOADS FOR CONDITION OF USE; 5. REACTIVE FORCES, THEIR POINTS OF OCCURRENCE AND DIRECTION; 6. PLATE NPE, 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 ANDIOR MAXIMUM DEFLECTION FOR LIVE AND TOTAL LOAD; 10. MAXIMUM AXIAL COMPRESSIVE FORCES IN TRUSS MEMBERS; 11. LOCATION OF JOINTS; 12. CONNECTION REQUIREMENTS FOR: a. TRUSS TO TRUSS GIRDERS; b. TRUSS PLY TO PLY; AND a 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. ROOFTRUSSES: VERTICAL DEFLECTION OF 1/360 OF SPAN. 2. ROOF TRUSSES: HORIZONTAL DEFLECTION AT REACTIONS OF 1-1/4 WCHES. 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 LUMBER STANDARDS COMMITTEE. LUMBER SHALL BE IDENTIFIED BY GRADE MARK OF A LUMBER 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. ROUGH FRAMING REQUIREMENTS AND SPECIFICATIONS: IT IS SOLELY THE CONTRACTOR'S RESPONSIBILITY TO FOLLOW ALL APPLICABLE SAFETY CODES AND REGULATIONS DURING ALL PHASES OF CONSTRUCTION. SHOULD ANY OF THE DETAILED INSTRUCTIONS SHOWN ON THE PLANS CONRICT WITH THESE STRUCTURAL NOTES, THE SPECIRCATIONS, OR WITH EACH OTHER, THE STRICTEST PROVISIONS SHALL GOVERN. GOVERNING CODES: INTERNATIONAL BUILDING CODE, 2006, WITH CURRENT INDIANA AMENDMENTS. ROUGH CARPENTRY SPECIFICATIONS: SECTION 06100 ALL WOOD CONNECTIONS, JOIST HANGERS, POST CAPS, BASES, HOLD-DOWNS, ETC. SHALL BE MANUFACTURED BY SIMPSON STRONG-TIE CO. WC. ORAN APPROVED EQUAL. UNLESS OTHERWISE NOTED, CONNECTIONS SHALL BE INSTALLED STRICTLY IN ACCORDANCE WITH MANUFACTURER'S WRITTEN INSTRUCTIONS FOR CONDITIONS SIMILAR TO THESE APPLICATIONS. ALL MEMBER SIZES GIVEN IN THE DRAWINGS ARE NOMINAL DIMENSIONS. ALL FLOOR JOISTS (IF USED AND OF ANY SIZE) AND ROOF JOISTS (GREATER THAN 2X8'S) SHALL BE LATERALLY SUPPORTED BY SOLID BLOCKING EXCEPT WHERE ENDS OF JOIST ARE NAILED TO A HEADER OR RIM JOIST OR TO AN ADJOINING STUD. S90LID BLOCKING SHALL NOT BE LESS THAN TWO INCHES IN THICKNE55 AND THE FULL DEPTH OF THE JOIST. SOLID 2X BRIDGING AT CENTER OF SPAN FOR ALL FLOOR JOISTS. COORDINATE ALL DIMENSION LUMBER SIZES BETWEEN ARCHITECTURAL AND STRUCTURAL DRAWINGS. BRING ANY DISCREPANCIES TO THE ATTENTION OF THE ARCHITECT. WHERE POSTS ARE SHOWN, HEADERS SHALL BEAR FULLY ON POSTS. e. ADJUSTMENT OF VALUES FOR DURATION OF LOAD OR CONDITIONS OF USE SHALL BE IN ACCORDANCE WITH THE NATIONAL DESIGN SPEGFICATIONS 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 VALUES 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/TPI 1-1995. 2.02 TRUSS FABRICATION TRUSSES SHALL BE FABRICATED IN A PROPERLY EQUIPPED MANUFACTURING FAGLITY OF A PERMANENT NATURE. TRUSSES SHALL BE MANUFACTURED BY EXPERIENCED WORKMEN, USING PREGSION CUTTING, JIGGING, AND PRESSING EQUIPMENT MEETING REQUIREMENTS OFANSI?PI 1-1995, SECTION 4. TRUSS MEMBERS SHALL BE ACCURATELY CUT TO LENGTH ANGLE AND TRUE LINE TO ASSURE PROPER FITTING JOINTS WITHIN TOLERANCES SET FORTH IN ANSI/TPI 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. BOTTOM PLATES OF ALL BEARING INTERIOR AND EXTERIOR FIRST FLOOR STUD WALLS SHALL BE ANCHORED WITH 1I21NCH RED HEAD ANCHOR BOLTS WITH MIN. 6 WCH EMBEDMENT AT 4'-0" ON CENTER, OR WITH EQUIVALENT ANCHORS AS APPROVED BY THE ARCHITECT. ANCHORS SHALL BE A MAXIMUM OF 1'-0" FROM CORNERS. BOTTOM PLATES OF NON-BEARING FIRST FLOOR STUD WALLS IN CONTACT WITH SLAB SHALL BE ANCHORED USING #16D CONCRETE NAILS 32" ON CENTER OR EQUAL. BOTTOM PLATES IN CONTACT WITH MASONRY OR CONCRETE SLAB, AND LUMBER USED FOR BATTEN BOARDS, SHALL BE PRESSURE TREATED IMPREGNATED WITH WATERBORNE PRESERVATION IN ACCORDANCE WITH THE AMERICAN WOOD PRESERVATION BUREAU (AWPB) STANDARD LP-2, CURRENT EDITI ON. ROOF SHEATHING SHALL BE MIN. 1l2 INCH 321164-PLY C-D INT-APA. H-CLIPS SHALL BE USED TO SUPPORT EDGES OF THE PLYWOOD SHEATHING BETWEEN THE TRUSSES OR ROOF RAFTERS. WALL SHEATHING AT CORNERS SHALL BE 1I21NCH CDX PLYWOOD, GW ED WITH EXTERIOR GLUE AND NAILED AT PERIMETER CORNERS. NAILED-ONLY ALONG STRAIGHT RUNS. ALL LUMBER USED FOR LOAD SUPPORTING PURPOSES, INCLUDING END- JOINTING OR EDGE GLUED LUMBER SHALL BE IDENTIFIED BY THE GRADE MARK OF AN INSPECTION AGENCY CERTIFlED BY THE AMERICAN LUMBER STANDARDS COMMITTEE" (ALSC). IN LIEU OF A GRADE MARK, A CERTIFICATE OF INSPECTION AS TO SPEGES AND GRADE ISSUED BY A LUMBER GRADING OR INSPECTION AGENCY APPROVED BY THE ALSC MAY BE ACCEPTED. ALL LUMBER SHALL BE SEASONED TO A MOISTURE CONTENT OF 19 PERCENT. ALL WOOD JOISTS SHALL BEAR ON THE FULL WIDTH OF SUPPORTING MEMBERS. LUMBER SHALL BE PROTECTED FROM THE ELEMENTS UNTIL SUCH TIME IT IS USED IN CONSTRUCTION STORED OFF THE GROUND. ALL BEAMS AND JOISTS NOT BEARING ON SUPPORTING MEMBERS SHALL BE FRAMED WITH SIMPSON JOIST HANGERS OR EQUAL. USE TYPE LU-210 (OR EQUAL) FOR SINGLE 2X'S AND TYPE HUS-210-2 (OR EQUAL) FOR DOUBLE 2X'S. PROVIDE MINIMUM 2-2X12 HEADERS WITH MIN. 1I21NCH PLYWOOD FLITCH PLATE AT ALL OPENINGS IN BEARING WALLS WHERE NO HEADERS ARE CALLED OUT. MAXIMUM SPAN FOR 2-2X12 HEADERS SHALL BE 4'-0" UNLESS NOTED. WOOD HEADERS OR POSTS MADE UP OF 2X'S SHALL BE SPIKED TOGETHER. CONCRETE REQUIREMENTS AND SPECIFICATIONS: 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 TRU55 INSTALLER. 6. APPARENT DAMAGE TO TRUSSES, IF ANY, SHALL BE REPORTED TO MANUFACTURER PRIOR TO INSTALLATION. 7. TRUSSES SHALL BE SET AND SECURED LEVEL AND PLUMB, AND IN CORRECT LOCATION. TRUSSES SHALL BE HELD TO CORRECT ALIGNMENT UNTIL SPECIFIED PERMANENT BRACING ISINSTALLED. 8. CUTTING AND ALTERING OF TRUSSES IS NOT PERMITTED. 9. CONCENTRATED LOADS SHALL NOT BE PLACED ATOP TRUSSES UNTILALL SPECIFIED BRACING HAS BEEN INSTALLED AND DECKING IS PERMANENTLY NAILED IN PLACE. SPECIFICALLY AVOID STACKING FULL BUNDLES OF DECKING OR OTHER HEAW MATERIAL ONTO UNSHEATHED TRUSSES. 10. ERECTION BRACING IS REQUIRED. PREVENT TOPPLING OR "DOMINOING" (CASCADING COLLAPSE) ORTRUSSES 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 TRUSS INSTALLATION INSTALL AND BRACE TRUSSES ACCORDING TO TPI RECOMMENDATIONS AND AS INDICATED. INSTALL TRUSSES PLUMB, SQUARE, AND TRUE TO LINE AND SECURELY FASTEN TO SUPPORTING CONSTRUCTION. ANCHOR TRUSSES SECURELY AT BEARING POINTS; USE METAL FRAMING ANCHORS AND TIE-DOWNS SIMILAR TO SIMPSON HURRICANE FASTENERS H-1. INSTALL FASTENERS THROUGH EACH FASTENER HOLE IN METAL FRAMING ANCHOR ACCORDING TO MANUFACTURER'S FASTENING SCHEDULES AND WRITTEN INSTRUCTIONS. IT IS TRUSS DESIGNER'S RESPONSIBILITYTO DESIGN TRUSS-TO- GIRDER CONNECTION BASED ON CONDITIONS AT SITE AND THESE PLANS. SECURELY CONNECT EACH TRUSS PLY REQUIRED FOR FORMING BUILT- UP GIRDER TRUSSES. ANCHOR TRUSSES TO GIRDER TRUSSES AS INDICATED. INSTALL AND FASTEN PERMANENT BRACING DURING TRUSS ERECTION AND BEFORE CONSTRUCTION LOADS ARE APPLIED. ANCHOR ENDS OF PERMANENT BRACING WHERE TERMINATING AT WALLS OR BEAMS. DO NOT CUT OR REMOVE TRUSS MEMBERS. ALUMINUM GUTTERS AND DOWNSPOUTS: IT IS SOLELY THE CONTRACTOR'S RESPONSIBILITY TO FOLLOW ALL APPLICABLE 1. GUTTERS SHALL BE CONTINUOUS SITE-FORMED ALUMINUM. SAFETY CODES AND REGULATIONS DURING ALL PHASES OF CONSTRUCTION. SHOULD ANY OF THE DETAILED INSTRUCTIONS SHOWN ON THE PLANS 2. DOWNSPOUTS SHALL BE ALUMINUM. CONFLICT WITH THESE STRUCTURAL NOTES, THE SPECIFICATIONS, OR WITH 3. ALUMINUM GUTTERS: EACH OTHER, THE STRICTEST PROVISIONS SHALL GOVERN. a. HEAVY GAUGE, MINIMUM .027 THICKNESS GOVERNING CODES: INTERNATIONAL BUILDING CODE, 2008, WITH CURRENT b. FlNISH BAKED-ON ENAMEL c. OGEE PROFILE (REAR EDGE HIGHER THAN FRONT EDGE) AS INDIANA AMENDMENTS. REQUIRED OR INDICATED ON DRAWINGS. FOUNDATIONS: d. USE HIDDEN HANGERS, NO SPIKES. FOUNDATIONS ARE EXISTING AND NOT TO BE CHANGED. 4. ALUMINUM DOWNSPOUTS: REINFORCED CONCRETE: a. 3" X 4" PROFILE ALL CONCRETE WORK SHALL BE IN ACCORDANCE WITH ACI 318-95, "BUILDING b. FINISH BAKED-ON ENAMEL CODE REQUIREMENTS FOR REWFORCED CONCRETE". a POP-RIVETED, MITERED. SPECIFICATIONS: IN GENERAL, COMPLY WITH ACI 301-96, "STANDARD 5. INSTALLALL MATERIALS AND ACCESSORIES WITH POSITIVE SPECIFICATIONS FOR STRUCTURAL CONCRETE". ANCHORAGE. PROVIDE FOR THERMAL EXPANSION. PLACEMENT AND CURING OF CONCRETE SHALL CONFORM TO ACI 305 "HOT COORDINATE INSTALLATION WITH OTHER BUILDING WEATHER CONCRETING" AND ACI 306 "COLD WEATHER CONCRETING". COMPONENTS. ALL REINFORCING DETAILS SHALL CONFORM TO ACI 315-86, "MANUAL OF STANDARD PRACTICE FOR DETAILING REINFORCED CONCRETE STRUCTURES" UNLESS DETAILED OTHERWISE ON THE STRUCTURAL DRAWINGS. ALL DEFORMED REINFORCING BARS: ASTM A615, GRADE 60 ALL WELDED WIRE FABRIC: ASTM A185, DELIVERED IN FLAT SHEETS REWFORCING SUPPLIER SHALL PROVIDE ALL BAR ACCESSORIES, CHAIRS, AND SUPPORTS NECESSARY TO SECURE STEEL IN ACCORDANCE WITH "ACT CODE OF STANDARD PRACTICE". CONCRETE COVER: UNLESS OTHERWISE NOTED, DETAIL REINFORCING TO PROVIDE MINIMUM COVER AS FOLLOWS: CONCRETE CAST AGAINST AND PERMANENTLY EXPOSED TO EARTH: 3 INCHES CONCRETE IN THE FOLLOWING AREAS SHALL CONSIST OF NATURAL SAND FWE AGGREGATE AND NORMAL WEIGHT COURSE AGGREGATES CONFORMING TO ASTM C33, NPE 1 PORTLAND CEMENT CONFORMING TO ASTM C150, AND SHALL HAVE THE FOLLOWING COMPRESSIVE STRENGTH AT 28 DAYS: SLABS-ON-GRADE a,000 Psi RELEASED F�R CONSTRl1CTI0N Su6jec� �o compliance with all regula�ions 04 S�a�e antl Local Codes City of Carmel `�j sv�� �\'��v�AWnT � NO PART OF THE STRUCTURE SHALL BE PLACED ON FROZEN OR WET SOIL. GENERAL CONTRACTOR SHALL BE RESPONSIBLE FOR KEEPING THE FOUNDATION AND SOIL WITHIN THE BUILDING AREA FROM FREEZING DURING WINTER CONSTRUCTION. 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