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HomeMy WebLinkAbout246 Pleasant St (S2.0)GENERAL STRUCTURAL NOTES AND OUTLINE SPECIFICATIONS GENERAL 1. REFER TO THE PROJECT SPECIFICATIONS AND THE STATE OF MASSACHUSETTS STATE BUILDING CODE FOR MATERIAL AND WORKMANSHIP NOT SPECIFIED HEREIN. 2. STRUCTURAL DRAWINGS SHALL BE USED IN CONJUNCTION WITH ARCHITECTURAL, MECHANICAL AND ELECTRICAL DRAWINGS AND SPECIFICATIONS. THESE DRAWINGS AND SPECIFICATIONS SHALL BE REFEREED TO FOR SIZE AND LOCATION OF OPENINGS, VENTS, PIPES, INSERTS, HANGERS AND THE LIKE. PRINCIPAL OPENINGS THROUGH THE FRAMING ARE SHOWN ON THESE DRAWINGS, HOWEVER, THE GENERAL CONTRACTOR SHALL PROVIDE FOR ALL OPENINGS WHETHER OR NOT SHOWN ON THE STRUCTURAL DRAWINGS, AND SHALL VERIFY SIZE AND LOCATION OF ALL OPENINGS WITH THE MECHANICAL CONTRACTOR. ANY DEVIATION FROM THE OPENINGS SHOWN ON THE STRUCTURAL DRAWINGS SHALL BE BROUGHT TO THE ATTENTION OF THE STRUCTURAL ENGINEER FOR APPROVAL. OPENINGS IN SLABS AND WALLS LESS THAN 12' IN SIZE ARE GENERALLY NOT INDICATED. CUTTING OF OPENINGS AFTER PLACEMENT OF CONCRETE SHALL HOT BE PERMITTED. REFER TO TYPICAL DETAILS FOR REINFORCING REQUIRED AROUND SLEEVES. 3. ALL METHODS OF CONSTRUCTION, NOTES, ETC., INDICATED ON THE DRAWINGS ARE TO BE CONSIDERED TYPICAL FOR ALL SIMILAR CONDITIONS. 4. THE CONTRACTOR SHALL VERIFY ALL DIMENSIONS AND CONDITIONS IN THE FIELD PRIOR TO COMMENCING WORK. THE ARCHITECT SHALL BE NOTIFIED OF ANY DISCREPANCIES WHICH MAY EXIST. S. THE CONTRACTOR SHALL REVIEW AND SUBMIT SHOP DRAWINGS AND RECEIVE APPROVAL BEFORE FABRICATION OF MATERIAL SHOP DRAWINGS SHALL NOT BE SUBMITTED FOR APPROVAL WITHOUT THE CONTRACTORS FULL REVIEW AND COORDINATION, ANNOTATED AND SIGNED AS SUCH. ERECTION SHALL BE MADE FROM THE APPROVED SHOP DRAWINGS ONLY. STRUCTURAL DRAWINGS MAY NOT BE USED AS SHOP DRAWINGS. 6. THE GENERAL CONTRACTOR SHALL FURNISH AND PLACE ALL NECESSARY SUPPORTS, WHETHER TEMPORARY OR PERMANENT, AS REQUIRED FOR THE SAFE COMMENCEMENT OF THE WORK. TEMPORARY SUPPORTS SHALL BE MAINTAINED IN PLACE UNTIL PERMANENT SUPPORTS ARE INSTALLED. 7. THE CONTRACTOR SHALL NOTIFY THE ARCHITECT AND/OR THE TESTING AGENCY WITHIN A REASONABLE TIMI , OF ACTIVITIES ON SITE WHICH REQUIRE THEIR PRESENCE. OBSERVATIONS BY THE ARCHITECT AND INSPECTION BY THE TESTING AGENCY ARE MANDATORY AND THE SCOPE OF THESE WILL BE PREARRANGED BY THE ARCHITECT AT THE START OF CONSTRUCTION. 8. DESIGN LOADS: LIVE LOADS: ROOF LOADS (SNOW) -----------30 PSF LIVING SPACES ---------------40 PSF SLEEPING ROOMS -------------30 PSF ATTIC ---------------------40 PSF DECKS AND BALCONIES --------40 PSF FOUNDATIONS 1. FOUNDATIONS SHALL BE CARRIED TO FIRM UNDISTURBED OR ENGINEERED MATERIALS CAPABLE OF SUSTAINING A BEARING PRESSURE OF 1.5 TONS PER SQUARE FOOT, TO BE VERIFIED ON THE JOB. FILL MATERIALS ON SITE, WHEN REMOVED, SHALL BE REPLACED WITH APPROVED ENGINEERED FILL, PLACED IN 6- LIFTS AND COMPACTED TO 95% MAXIMUM DRY DENSITY AS DETERMINED BY ASTM D-1557. 2. FOOTING EXCAVATIONS SHALL BE FINISHED BY HAND, PROOF ROLLED WHERE REQUIRED AND SHALL BE APPROVED BY THE GEOTECHNICAL ENGINEER BEFORE THE PLACEMENT OF CONCRETE. 3. NO FOOTINGS TO BE PLACED IN WATER OR ON FROZEN GROUND. 4. BOTTOM OF FOOTING ELEVATIONS SHOWN ON THE DRAWINGS ARE PROVISIONAL UNTIL CONDITION OF THE SOIL IS VERIFIED IN THE FIELD AT ALL LOCATIONS. 5. IF WATER IS ENCOUNTERED, MACHINE EXCAVATE TO CORRECT LEVELS AND INSTALL CRUSHED COMPACTED STONE OR LEAN CONCRETE; TRENCH DRAIN AND PUMP WHERE REQUIRED. CONTRACTOR SHALL PROVIDE CONTINUOUS DRAINAGE BY MECHANICAL METHODS TO CONTROL SURFACE AND UNDERGROUND WATER AS REQUIRED DURING CONSTRUCTION. 6. CONTRACTOR SHALL ENSURE THAT GROUND WATER LEVELS UNDER ADJACENT STRUCTURES AND PROPERTIES ARE NOT LOWERED. 7. THE OWNER, THE ARCHITECT AND THEIR CONSULTANTS ASSUME NO RESPONSIBILITY FOR THE VALIDITY OF THE SUBSURFACE CONDITIONS DESCRIBED ON THE DRAWINGS, SPECIFICATIONS, TEST BORINGS OR TEST PITS. THESE DATA ARE INCLUDED ONLY TO ASSIST THE CONTRACTOR DURING THE BIDDING AND SUBSEQUENT LOCATIONS AT THE TIME THEY WERE MADE. 8. IF ROCK IS ENCOUNTERED, EXCAVATE 1'-0" BELOW BOTTOM OF FOOTING. PROVIDE GRAVEL FILL COMPACTED TO 95% DRY DENSITY AS DETERMINED BY THE MODIFIED PROCTOR METHOD. 9. BACKFILL SHALL BE PLACED TO EQUAL ELEVATIONS ON BOTH SIDES OF FOUNDATION WALLS. FOUNDATIONS WITH BACKFILL ON ONE SIDE ONLY SHALL BE SHORED OR HAVE PERMANENT ADJACENT CONSTRUCTION IN PLACE AND OF SUFFICIENT STRENGTH BEFORE BACKFILLING. REINFORCED CONCRETE 1. ALL REINFORCED CONCRETE WORK SHALL CONFORM TO THE LATEST PROVISIONS OF THE AMERICAN CONCRETE INSTITUTE (ACI 318) AND TO THE MASSACHUSETTS STATE BUILDING CODE. IN CASE OF CONFUCT, THE STATE BUILDING CODE SHALL GOVERN. 2. CONCRETE SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH AT 28 DAYS OF 4000 PSI (f'c). 3. REINFORCEMENT SHALL BE NEW BILLET STEEL BARS AND SHALL CONFORM TO ASTM A-615 GRADE 60. DEFORMATIONS TO CONFORM TO ASTM A305. WELDED WIRE FABRIC TO CONFORM TO ASTM Al 85. 4. GROUT UNDER COLUMN BASE PLATES AND UNDER OTHER BEARING PLATES SHALL BE NON -SHRINK, NON-METALLIC GROUT WITH A MINIMUM COMPRESSIVE STRENGTH OF 5000 PSI (fc) AT 3 DAYS. 5. ALL KEYS SHALL BE Y x 4" (NOMINAL) UNLESS OTHERWISE SHOWN ON THE DRAWINGS. STRUCTURAL QUALITY ASSURANCE 1. ALL WORK TO BE SUBJECT TO THE APPROVAL OF THE STRUCTURAL ENGINEER OF RECORD (S.E.R.) IN THE FIELD, IN ADDITION TO AN APPROVED TESTING LABORATORY, SELECTED BY THE S.E.R. AND PAID FOR BY THE OWNER, WHERE APPLICABLE. 2. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO COORDINATE ALL TESTING WORK AND NOTIFY THE AGENCY IN A REASONABLE TIME, WHERE APPLICABLE. STRUCTURAL QUALITY CONTROL 1. IT SHALL BE THE RESPONSIBILITY OF THE GENERAL CONTRACTOR TO ESTABLISH AND MAINTAIN A PROGRAM OF STRUCTURAL QUALITY CONTROL FOR THE PROJECT WITH REGARDS TO ALL STRUCTURAL SYSTEMS. THIS SHALL INCLUDE TESTING AND INSPECTIONS WHERE NECESSARY. DIMENSIONING 1. REFER TO THE ARCHITECTURAL DRAWINGS FOR ALL DIMENSIONS NOT INCLUDED IN THE STRUCTURAL DOCUMENTS. STRUCTURALSTEEL 1. STRUCTURAL STEEL WORK SHALL CONFORM TO SPECIFICATION FOR DESIGN, FABRICATION AND ERECTION OF STRUCTURAL STEEL FOR BUILDINGS- (AISC, NINTH EDITION), AND -STRUCTURAL WELDING CODE - STEEL', (AWS D1.1 LATEST EDITION) 2. STRUCTURAL STEEL ROLLED SHAPES, PLATES AND BARS SHALL CONFORM TO THE FOLLOWING ASTM DESIGNATIONS: ASTM A-992, GRADE 50 ALL W SHAPES, UNLESS NOTED OTHERWISE ASTM A-36 ALL OTHER ROLLED SHAPES, PLATES AND BARS ASTM A-36 ALL OTHER ROLLED SHAPES, PLATES AND BARS ASTM A-500, GRADE B HSS SECTIONS (SQUARE OR RECTANGULAR) ASTM A-500, GRADE C HSS SECTIONS (ROUND) ASTM A-53, GRADE B STEEL PIPES ASTM A-325, TYPE SC OR N ALL BOLTS FOR CONNECTING STRUCTURAL MEMBERS ASTM F-1554, GRADE 36 ALL ANCHOR RODS, UNLESS NOTED OTHERWISE ASTM A-36 ALL THREADED RODS, UNLESS NOTED OTHERWISE 3. ALL SHOP CONNECTIONS MAY BE WELDED OR BOLTED. FIELD CONNECTIONS SHALL BE WELDED OR BOLTED. BOLTS TO BE 3/4' DIAMETER, HOLES 13/16- DIAMETER, CONFORMING TO ASTM A-325. 4. FLANGES AND WEBS OF BEAMS ARE TO BE PUNCHED WHERE REQUIRED TO RECEIVE FINISHES. 5. PAINT ONE SHOP COAT AND TOUCH UP IN THE FIELD ALL STRUCTURAL STEEL WITH TNEMEC 999 RED METAL PRIMER. 6. ALL STEEL PERMANENTLY EXPOSED TO WEATHER SHALL BE HOT DIPPED GALVANIZED. 7. NO CHANGE IN SIZE OR POSITION OF THE STRUCTURAL ELEMENTS SHALL BE MADE WITHOUT PRIOR APPROVAL OF THE ENGINEER. B. FILLER BEAMS SHALL BE SPACED EQUALLY BETWEEN ESTABLISHED DIMENSIONS, UNLESS NOTED OTHERWISE. 9. PROVIDE TEMPORARY ERECTION BRACING TO MAINTAIN STRUCTURAL STEEL IN PROPER POSITION UNTIL PERMANENTLY SECURED. REMOVE TEMPORARY BRACING AND THEIR CONNECTIONS ONLY AFTER ERECTION OF PERMANENT MEMBERS IS COMPLETE AND CONCRETE SLABS HAVE BEEN PLACED. 10. ALL WELDS SHALL BE MADE BY CERTIFIED WELDERS, AND SHALL CONFORM TO THE AMERICAN WELDING SOCIETY CODE, ANSI/AWS DIA -2000 TABLE 3.1 UNLESS OTHERWISE NOTED, ALL WELDS SHALL DEVELOP THE FULL STRENGTH OF THE MEMBERS OR COMPONENTS BEING CONNECTED. 11. ELECTRODES FOR ALL WELDING SHALL CONFORM TO AWS E-70 SERIES, 12. ALL WELDING SHALL BE INSPECTED BY QUALIFIED WELDING INSPECTORS. FILLET WELDS SHALL BE VISUALLY INSPECTED. FULL PENETRATION WELDS SHALL BE 100% INSPECTED BY ULTRASONIC METHODS. ROUGH CARPENTRY 1. ALL LUMBER TO BE SURFACED DRY (S -DRY) AT A MAXIMUM MOISTURE CONTENT OF 19%, AND MARKED ACCORDINGLY. 2. ALL JOISTS, STUDS AND RAFTERS TO BE HEM -FIR No. 2 OR SPRUCE/PINE/FIR No. 2 GRADE MARKED. 3. ALL SILLS AND ALL OTHER ELEMENTS SO SPECIFIED, TO BE PRESSURE TREATED (P.T.) WITH FEDERALLY APPROVED CHEMICALS. ALL SUCH PRESSURE TREATED MATERIAL TO BE SOUTHERN PINE No. 2 OR BETTER, GRADE MARKED. 4. ALL POSTS AND TIMBERS TO BE DOUGLAS -FIR No. 2, GRADE MARKED. 5. ALL STUDS TO BEAR PROPER STUD GRADE MARK OR BETTER. 6. ALL ROOF SHEATHING TO BE 3/4' THICK C -D 32/16 APA INTERIOR WITH EXTERIOR GLUE, GRADE MARKED, OR APPROVED EQUAL 7. ALL CROSS-GRAINED BEARING UNITS (SILLS, SOLE PLATES, BAND JOISTS ETC...) TO BE INSTALLED AT A MAXIMUM MOISTURE CONTENT OF 15% AS MEASURED IN THE FIELD. 8. ALL EXTERIOR WALL SHEATHING TO BE 5/8' THICK C -D 24/0 APA INTERIOR WITH EXTERIOR GLUE, GRADE MARKED, OR APPROVED EQUAL. 9. ALL FLOORS TO BE SHEATHED WITH 3/4' THICK SUBFLOOR-UNDERLAYMENT, GROUP 1, APA INTERIOR TONGUE AND GROOVE EDGES. ALL UNDERLAYMENT TO BE GLUED WITH CONSTRUCTION ADHESIVE WHICH CONFORMS TO APA PERFORMANCE SPECIFICATION AFG-07, OR APPROVED EQUAL. 10. ROOF SHEATHING INSTALLATION NOTES: • PANELS TO BE LAID UP WITH LONG DIMENSION ACROSS RAFTER/TRUSSES WITH EACH COURSE LAPPED WITH THE COURSE BELOW. • ALL MINIMUM OF 1/16' SPACE AT END JOINTS, AND 1/8' SPACE AT EDGE JOINTS. DOUBLE THESE SPACES IN HUMID CONDITIONS. PROVIDE PLY -CLIPS BETWEEN RAFTERS AT ALL EDGE JOINTS. NAIL WITH SPIRAL THREAD 8d HAILS: NAILS SPACED @ 6" O/C AT END JOINTS. NAILS SPACED @ 12' O/C AT INTERMEDIATE SUPPORTS. 11. ALL JOISTS LOCATED UNDER PARTITIONS TO BE DOUBLED. 12. ALL STRUCTURAL LAMINATED OR PREFABRICATED MEMBERS (LVL) TO BE FABRICATED OF MATERIAL FOR Fb=2,600 PSI AND E=1,900,000 PSI OR GREATER AS MANUFACTURED BY THE WEYERHAEUSER, BOISE CASCADE OR APPROVED EQUAL 13. BEAMS MADE UP OF MULTIPLE MICRO -LAMS OR LVLS TO BE FASTENED USING 2 ROWS OF FASTENMASTER TRUSSLOK FASTENERS AT 12' 01C (STAGGERED). ALL HAILING TO BE IN ACCORDANCE WITH THE APPLICABLE BUILDING CODE NAILING SCHEDULE. 14. ALL CONNECTING HARDWARE AND FASTENERS TO BE SIMPSON BRAND OR APPROVED EQUAL, INSTALLED IN ACCORDANCE WITH THE MANUFACTURERS RECOMMENDATIONS. ALL CONNECTING HARDWARE AND FASTENERS IN CONTACT WITH PRESSURE TREATED WOOD TO BE HOT DIPPED GALVANIZED, STAINLESS STEEL OR AN ALTERNATIVE MATERIAL APPROVED BY THE MANUFACTURER FOR EXPOSURE TO PRESSURE TREATED WOOD. A. ALL STRUCTURAL TIMBER TO CONFORM TO THE LATEST EDITION OF TEPA ?NATIONAL DESIGN SPECIFICATION FOR WOOD CONSTRUCTION- AND ITS SUPPLEMENT IDESIGN VALUES FOR WOOD CONSTRUCTION-. B. PROVIDE DOUBLE STUDS (MINIMUM) UNDER ALL HEADERS OR BURT UP' BEAMS UNLESS OTHERWISE NOTED. POSTS MUST BE CARRIED FROM THE PONT OF LOAD TO FOUNDATION VIA A CONTINUOUS LOAD PATH. INSTALL BLOCKING AT FLOOP. PLATFORMS. POSTS MUST BE BRACED AT ALL SPLICES BY THE FLOOR DIAPHRAGM. C. ALL TIMBER POSTS TO BE PROVIDED WITH PREFABRICATED WTAL CAPS AND BASES SEE DETAILS WHERE APPLICABLE. D. PREFABRICATED FLOOR JOISTS TO BE TJI JOISTS BY TRUS JOS? OR EQUAL, INSTALLED IN ACCORDANCE WITH THE MANUFACTURERS RECOMMENDATIONS. E. ALL LEDGERS TO BE FASTENED USING 2 FASTENAASTER LEDGER`OKS AT 16- OIC OR 3/4' 0 EXPANSION BOLTS AT 16- O/C (INTO CONCRETE). NO PROVISIONS CODE 780 CMR BTH EDITION (IRC 2009) BASIC WIND SPEED: V = 110 MPH (TABLE R301.2(4)) EXPOSURE CATEGORY: C WIND DESIGN METHOD: AF&PA WOOD FRAME CONSTRUCTION MANUAL 2001 NARIHG SCHEDULE LOCATION SHEATHING FASTENERSSPACING 1 2X_ BLOCKING REQUIRED AT PLYWOOD JOINTS EDGE FIELD EXTERIOR WALLS (EXCEPT DESIGNATED SHEAR WALLS) 5/8- PLYWOOD 8d NARS 6' O.C. 12.O.C. YES INTERIOR WALLS 1/2' DRYWALL SCREWS T O.C. 12.O.C. NO ROOF SHEATHING 1/2' PLYWOOD 8d NMS 6' O.C. 12- O.C. NO FLOOR SHEATHING 3/4" PLYWOOD 8d NAILS 6' O.C. 1T O.0 NO NOTE: PS2 GRADE OSB IS PERMITTED TO BE SUBSTITUTED FOR PLYWOOD PLYWOOD SHEATING KING STUDS REQ. STRAP PLYWOOD SHEATING ROOF RAFTERS 1 2X_ ROOF RAFTERS (10) 10d COMMON 2X- YES NAILS 3 2X- SIMPSON H2.5A STUD WALL HURRICANE TIE SIMPSON H2.5A EACH RAFTER HURRICANE TIE STUD SHEATHING - SEE EACH RAFTER it o SCHEDULE FOR MIN. CONTINUE PLYWOOD CEILING JOIST TO TOP PLATE ONTINUE PLYWOOD w RIM BOARD STUD BEARING TO TOP PLATE CEILING JOIST = o WALL 1/2" PLYWOOD 1/2" PLYWOOD STUD BEARING SH NONG T LAP) SHEATHING HURRICANE TIE W/ CEILING WALL HURRICANE TIE W/ PLATFORM CEILING PLYWOOD SHEATING �' a a ROOF RAFTERS DOUBLE TOP PLA SIMPSON H2.5A HURRICANE TIE o w FOUNDATION EACH RAFTER � z 8 CONTINUE PLYWOOD T O TOP PLATE STUD BEARING WALL 1/2" PLYWOOD HURRICANE TIE W/O SHEATHING CEILING TYPICAL HURRICANE TIE DETAILS NOTE: PREFERED HURRICANE TIE INSTALLATION LOCATION SHOWN. INSTALLATION AT INSIDE OF WALL PLATE IS ALLOWED WHERE REQUIRED BASED ON JOB CONDITIONS. 2 i Tr. HUKKICANE TIE DETAILS NOT TO SCALE RIDGE BEAM OR RIDGE ROOF LSTAl8 ALTERNATIVE: 2X6 COLLAR TIES ® 32" O.C. AT TOP 1/3 OF GABLE. NOTE: RIDGE BOARD OR BEAM MUST NOT BE LESS IN DEPTH THAN THE RAFTER END CUT. INCREASE RIDGE SIZE AS NECESSARY FOR FULL BEARING ATE 1D I NAILS JOS 18 REQ.) R.O. KING STUDS REQ. STRAP REQUIRED <3'-6" 1 2X_ NO <8'-0"2 2X- YES <12'-0" 3 2X- YES FLOOR • FLOOR InAn TRANSFER • • ••• Aa OF • JOIST NOT TO SCALE SHEATHING (MIN.) I PER AICAOR BOLTS UNLESS • al FLOOR TO FLOOR LOAD TRANSFER ID TIE DOWN DE SCALE: V = 1'47' DATE: 07/27/16 REVISIONS: GENERAL NOTES PERMIT SET S2.0 PROVIDE SOLID ----- BLOCKING AT PLYWOOD JOINTS WHERE REQUIRED STUD WALL z 2 W BY NAILING SCHEDULE 30 STUD SHEATHING - SEE it o SCHEDULE FOR MIN. REQUIREMENTS w FLOOR SYSTEM- = o WHERE APPUCABL to DOUBLE 2X6 SII FLOOR J01 �' a a REINFORCED - CONCRETE DOUBLE TOP PLA (L o w FOUNDATION STUD WALL � z 8 FLOOR • FLOOR InAn TRANSFER • • ••• Aa OF • JOIST NOT TO SCALE SHEATHING (MIN.) I PER AICAOR BOLTS UNLESS • al FLOOR TO FLOOR LOAD TRANSFER ID TIE DOWN DE SCALE: V = 1'47' DATE: 07/27/16 REVISIONS: GENERAL NOTES PERMIT SET S2.0