SECTIONS AND DETAILS - Maine.gov...SECTIONS AND DETAILS Lincoln/Haney Engineering Associates, Inc. 6...
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Lincoln/Haney 6 Federal Street Brunswick, Maine 04011 Phone: 207-729-1061 Fax: 207-729-2941 Engineering Associates, Inc. Structural Improvements & Reroofing at: Quick / Platz Hall Maine Maritime Academy Castine, Maine S1 STRUCTURAL ROOF PLAN AND NOTES
SECTIONS AND DETAILS - Maine.gov...SECTIONS AND DETAILS Lincoln/Haney Engineering Associates, Inc. 6 Federal Street Brunswick, Maine 04011 Phone: 207-729-1061 Fax: 207-729-2941 Structural
HATCHING DENOTES EXISTING BEAMS WITH NEW BRACING @ 4'-0" O.C., MAX., TYP.
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EXISTING 2x8 RAFTERS @ 16" O.C.
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SISTER EXIST. 2x8 W/ NEW
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SISTER EXIST. 2x8 W/ NEW
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SISTER EXIST. 2x8 W/ NEW
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SISTER EXIST. 2x8 W/ NEW
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SISTER EXIST. 2x8 W/ NEW
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SISTER EXIST. 2x8 W/ NEW
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3/16"=1'-0"
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STRUCTURAL ROOF PLAN
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(E) W14x22
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(E) W27x84
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(E) W21x44
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(E) W21x44
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(E) W27x84
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(E) W14x22
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NORTH
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SEE PLAN NOTE 1, (TYP. OF 4)
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PLAN NOTES: 1. REMOVE EXISTING 2x10 HIPS AND CUT BACK EXISTING RAFTERS AS REMOVE EXISTING 2x10 HIPS AND CUT BACK EXISTING RAFTERS AS REQUIRED TO INSTALL NEW LVL. CONNECT RAFTERS TO NEW LVL WITH SIMPSON STRONG-TIE LSSJ28 JACK HANGERS FOR FRAMING MEMBERS SHORTER THAN 8'-0" LONG. SUPPORT WITH SIMPSON STRONG-TIE SUR/L26 FOR FRAMING MEMBERS 8'-0" AND LONGER.
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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6'-0" MAX. SPAN
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GENERAL NOTES 1. DIMENSIONS INDICATED ON THE DRAWINGS AND OTHER EXISTING DIMENSIONS INDICATED ON THE DRAWINGS AND OTHER EXISTING CONDITIONS INFORMATION ARE TAKEN FROM THE 1977 CONSTRUCTION DOCUMENTS. THE CONTRACTOR SHALL VERIFY ALL EXISTING CONDITIONS PRIOR TO PERFORMING AFFECTED AREAS OF THE WORK. 2. IT IS INTENDED FOR THE LIBRARY TO REMAIN OPERATIONAL IT IS INTENDED FOR THE LIBRARY TO REMAIN OPERATIONAL THROUGHOUT THE CONSTRUCTION PERIOD. THE CONTRACTOR SHALL COORDINATE ALL ACTIVITIES WITH THE OWNER'S REPRESENTATIVE. ACCESS TO THE ATTIC FROM BELOW IS LIMITED TO PERSONNEL AS PERMITTED. IT IS INTENDED THAT AREAS OF ROOF DECK WILL BE REMOVED FOR ALL MATERIALS AND EQUIPMENT ACCESS. THE CONTRACTOR SHALL PROVIDE ADDITIONAL DECKING AS REQUIRED TO WORK FROM THE ATTIC FRAMING. MATERIAL STORAGE AND WORKERS' OPERATIONS SHALL BE DONE IN A MANNER THAT AVOIDS OVERLOADING AND EXCESSIVE DEFLECTIONS TO EXISTING CEILING CONSTRUCTION. 3. ANY ROOF OPENINGS SHALL BE CLOSED AT THE END OF EACH ANY ROOF OPENINGS SHALL BE CLOSED AT THE END OF EACH WORKING DAY. IT WILL BE THE CONTRACTOR'S RESPONSIBILITY TO PROTECT ALL INTERIOR FINISHES FROM DAMAGE DUE TO CONSTRUCTION OPERATIONS AND WEATHER EXPOSURE. ANY DAMAGE THAT OCCURS DURING THE CONSTRUCTION PERIOD THAT IS ATTIBUTED TO THE CONTRACTOR'S OPERATIONS OR FROM INSUFFICIENT WEATHER PROTECTION SHALL BE REPAIRED AT THE CONTRACTOR'S EXPENSE. 4. WHERE NEW STEEL BEAMS ARE SPECIFIED, IT WILL BE NECESSARY WHERE NEW STEEL BEAMS ARE SPECIFIED, IT WILL BE NECESSARY TO CUT EXISTING STUDS THAT SUPPORT ROOF FRAMING. PROVIDE TEMPORARY SUPPORTS FOR EXISTING ROOF FRAMING BEFORE CUTTING EXISTING LOAD-BEARING STUDS. MAINTAIN TEMPORARY SUPPORTS IN PLACE UNTIL NEW STEEL FRAMING IS SECURED AND STUDS ARE FULLY SUPPORTED. DESIGN NOTES 1. ROOF REINFORCEMENTS ARE DESIGNED FOR COMPLIANCE WITH ROOF REINFORCEMENTS ARE DESIGNED FOR COMPLIANCE WITH THE SNOW LOAD PROVISIONS OF THE 2015 EDITION OF THE INTERNATIONAL BUILDING CODE AND THE 2010 EDITION OF "MINIMUM DESIGN LOADS FOR BUILDINGS AND OTHER STRUCTURES" BY THE AMERICAN SOCIETY OF CIVIL ENGINEERS (ASCE7-10). SNOW LOADS UTILIZED ARE BASED ON THE FOLLOWING CRITERIA: A. GROUND SNOW LOAD Pg = 60 PSF. GROUND SNOW LOAD Pg = 60 PSF. B. FLAT ROOF SNOW LOAD Pf = 46.2 PSF. FLAT ROOF SNOW LOAD Pf = 46.2 PSF. C. SNOW EXPOSURE FACTOR Ce = 1.0 SNOW EXPOSURE FACTOR Ce = 1.0 D. SNOW IMPORTANCE FACTOR Is = 1.0. SNOW IMPORTANCE FACTOR Is = 1.0. E. THERMAL FACTOR Ct = 1.1 THERMAL FACTOR Ct = 1.1 F. UNBALANCED SNOW LOADS IN ACCORDANCE WITH ASCE7-10. UNBALANCED SNOW LOADS IN ACCORDANCE WITH ASCE7-10. WOOD FRAMING NOTES 1. REMOVE EXISTING 5/8” PLYWOOD ROOF DECK AS REQUIRED TO REMOVE EXISTING 5/8” PLYWOOD ROOF DECK AS REQUIRED TO INSTALL REINFORCEMENTS. REMOVE WHOLE PANELS TO PERMIT WHOLE PANEL REPLACEMENT. REPLACEMENT ROOF DECK SHALL BE NEW PANELS AS FOLLOWS: A. APA RATED SHEATHING, 5/8” THICK PANELS TO MATCH APA RATED SHEATHING, 5/8” THICK PANELS TO MATCH EXISTING ADJACENT PANELS. B. MINIMUM SPAN RATING 40/20. MINIMUM SPAN RATING 40/20. C. EXPOSURE 1 OR EXPOSURE 2. EXPOSURE 1 OR EXPOSURE 2. 2. LAY OUT REPLACEMENT ROOF PANELS WITH THE LONG DIMENSION LAY OUT REPLACEMENT ROOF PANELS WITH THE LONG DIMENSION ACROSS SUPPORTS AND WITH SHORT ENDS POSITIONED OVER A SUPPORT. FASTEN TO SUPPORTS WITH 10D NAILS. SPACE NAILS AT 6" ON CENTER AT SUPPORTED PANEL EDGES AND AT 12" ON CENTER AT INTERMEDIATE SUPPORTS. 3. PROVIDE FASTENERS FOR CONNECTING WOOD FRAMING AS PROVIDE FASTENERS FOR CONNECTING WOOD FRAMING AS INDICATED. WHERE NOT INDICATED, COMPLY WITH TABLE 2304.10.1 IN THE 2015 EDITION OF THE INTERNATIONAL BUILDING CODE. 4. PROPRIETARY WOOD CONNECTORS ARE IDENTIFIED AS PRODUCTS PROPRIETARY WOOD CONNECTORS ARE IDENTIFIED AS PRODUCTS FROM SIMPSON STRONG-TIE. SUBSTITUTIONS REQUIRE APPROVAL. SUBMIT REQUESTED SUBSTITUTIONS FOR REVIEW WITH ALL PRODUCT DATA REQUIRED FOR STRUCTURAL EVALUATION. ALLOW 2 WEEKS FOR REVIEW. 5. WHERE PROPRIETARY CONNECTORS ARE SPECIFIED, INSTALL IN WHERE PROPRIETARY CONNECTORS ARE SPECIFIED, INSTALL IN ACCORDANCE WITH THE MANUFACTURER'S SPECIFICATIONS. USE ALL SPECIFIED FASTENERS WITHOUT SUBSTITUTION UNLESS OTHERWISE NOTED ON THE DRAWINGS. WHERE MORE THAN ONE FASTENER SPECIFICATION EXISTS, INSTALL THE MAXIMUM FASTENING. 6. NAILS SHALL COMPLY WITH ASTM F1667. PROVIDE NAILS OF THE NAILS SHALL COMPLY WITH ASTM F1667. PROVIDE NAILS OF THE FOLLOWING MINIMUM DIMENSIONS: A. 8d = 2-3/8" LONG X 0.113" DIAMETER 8d = 2-3/8" LONG X 0.113" DIAMETER B. 10d = 2-7/8" LONG X 0.12" DIAMETER 10d = 2-7/8" LONG X 0.12" DIAMETER C. AT ROOF DECK NAILING, USE 10d = 3" LONG X 0.148" AT ROOF DECK NAILING, USE 10d = 3" LONG X 0.148" DIAMETER. D. 16d = 3-1/4" LONG X 0.148" DIAMETER. 16d = 3-1/4" LONG X 0.148" DIAMETER. 7. INSTALL TOENAILS AT AN ANGLE 30 DEGREES FROM THE AXIS OF INSTALL TOENAILS AT AN ANGLE 30 DEGREES FROM THE AXIS OF THE SUPPORTED MEMBER. INSTALL WITH THE TIP LOCATED AT A DISTANCE OF 1/3 OF THE NAIL LENGTH FROM THE END OF THE SUPPORTED MEMBER. 8. LAG SCREWS SHALL COMPLY WITH ANSI/ASME B18.2.1. FOR LAG SCREWS SHALL COMPLY WITH ANSI/ASME B18.2.1. FOR 14DIAMETER LAG SCREWS, THE MAXIMUM PILOT HOLE FOR THE THREADED PORTION OF THE SCREW SHALL BE ". 18". 9. NEW LUMBER UTILIZED FOR REINFORCEMENTS SHALL BE #2 GRADE NEW LUMBER UTILIZED FOR REINFORCEMENTS SHALL BE #2 GRADE OR BETTER OF SPRUCE-PINE-FIR GRADED BY NLGA. 10. LVL DESIGNATES LAMINATED VENEER LUMBER. PROVIDE LVL DESIGNATES LAMINATED VENEER LUMBER. PROVIDE PRODUCTS FROM ONE OF THE FOLLOWING SUPPLIERS: A. VERSA-LAM 2.0 3100 FROM BOISE CASCADE. VERSA-LAM 2.0 3100 FROM BOISE CASCADE. B. MICROLLAM FROM TRUS JOIST WEYERHAUSER. MICROLLAM FROM TRUS JOIST WEYERHAUSER. C. CP-LAM FROM COASTAL PRODUCTS. CP-LAM FROM COASTAL PRODUCTS. STEEL FRAMING NOTES 1. ALL STEEL WORK SHALL CONFORM TO THE 14 EDITION OF THE ALL STEEL WORK SHALL CONFORM TO THE 14 EDITION OF THE TH EDITION OF THE SPECIFICATION FOR STRUCTURAL STEEL BUILDINGS BY THE AMERICAN INSTITUTE OF STEEL CONSTRUCTION, ANSI/AISC 360-10. 2. ALL WELDING SHALL BE DONE BY A WELDER CERTIFIED BY THE ALL WELDING SHALL BE DONE BY A WELDER CERTIFIED BY THE AMERICAN WELDING SOCIETY FOR THE WELDING PROCEDURE AND POSITIONS UTILIZED. 3. ALL WELDING SHALL BE IN COMPLIANCE WITH AWS D1.1 ALL WELDING SHALL BE IN COMPLIANCE WITH AWS D1.1 STRUCTURAL WELDING - STEEL BY THE AMERICAN WELDING SOCIETY, LATEST EDITION. 4. NO FIELD WELDING IS PERMITTED IN THE ATTIC. NO FIELD WELDING IS PERMITTED IN THE ATTIC. 5. BOLTS USED TO CONNECT STEEL FRAMING MEMBERS SHALL BE IN BOLTS USED TO CONNECT STEEL FRAMING MEMBERS SHALL BE IN COMPLIANCE WITH THE 2009 EDITION OF THE SPECIFICATION FOR STRUCTURAL JOINTS USING HIGH STRENGTH BOLTS BY THE RESEARCH COUNCIL ON STRUCTURAL CONNECTIONS. 6. BOLTS USED TO CONNECT STEEL FRAMING MEMBERS SHALL BE BOLTS USED TO CONNECT STEEL FRAMING MEMBERS SHALL BE ASTM A325 BOLTS. INSTALL TO SNUG-TIGHT CONDITION UNLESS OTHERWISE INDICATED. 7. STRUCTURAL STEEL WIDE FLANGE SHAPES SHALL BE ASTM A992. STRUCTURAL STEEL WIDE FLANGE SHAPES SHALL BE ASTM A992. 8. STRUCTURAL STEEL ANGLES AND PLATES SHALL BE ASTM A36. STRUCTURAL STEEL ANGLES AND PLATES SHALL BE ASTM A36. 9. STEEL HOLLOW STRUCTURAL SECTIONS SHALL BE ASTM A500, STEEL HOLLOW STRUCTURAL SECTIONS SHALL BE ASTM A500, GRADE B. 10. SUBMIT SHOP DRAWINGS DELINEATING ALL FRAMING AND SUBMIT SHOP DRAWINGS DELINEATING ALL FRAMING AND CONNECTIONS. ALLOW TWO WEEKS FOR REVIEW.
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2'-6 " x 3'-0" ATTIC ACCESS 12" x 3'-0" ATTIC ACCESS OPENING IN CEILING BELOW - EXACT LOCATION TO BE DETERMINED IN THE FIELD, SEE DETAIL 5/S3
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AT SISTERED RAFTERS SUPPORT WITH SIMPSON STRONG-TIE SUR/L26-2 HANGERS
EXISTING WALL OPENING FOR ACCESS WITH STUD REMOVED - INSTALL NEW 2x6 STUD BENEATH RAFTER
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LADDERS 1. PROVIDE 2 FIXED LADDERS AS DESCRIBED BELOW: PROVIDE 2 FIXED LADDERS AS DESCRIBED BELOW: A. SECOND FLOOR TO ATTIC FLOOR - PROVIDE LENGTH FOR A SECOND FLOOR TO ATTIC FLOOR - PROVIDE LENGTH FOR A FLOOR-TO-FLOOR DISTANCE = 12'-0". LOCATE AT ATTIC ACCESS OPENING SHOWN ON THE STRUCTURAL ROOF PLAN. COORDINATE THE EXACT LOCATION WITH THE OWNER. INSTALL EXISTING STEEL PLATE LADDER EXTENSIONS CURRENTLY LOCATED AT THE EXISTING LADDER. B. ATTIC FLOOR TO ROOF - PROVIDE LENGTH FOR A VERTICAL RISE OF ATTIC FLOOR TO ROOF - PROVIDE LENGTH FOR A VERTICAL RISE OF 10'-0". LOCATE BENEATH THE EXISTING ROOF ACCESS HATCH. C. VERTICAL LADDER MEASUREMENTS GIVEN ARE APPROXIMATE. FIELD VERTICAL LADDER MEASUREMENTS GIVEN ARE APPROXIMATE. FIELD MEASUREMENTS ARE REQUIRED. 2. REFER TO SPECIFICATION 07 53 23 FOR LADDER SPECIFICATION. REFER TO SPECIFICATION 07 53 23 FOR LADDER SPECIFICATION. 3. INSTALL FOR FINISHED LADDER SYSTEM TO COMPLY WITH OSHA INSTALL FOR FINISHED LADDER SYSTEM TO COMPLY WITH OSHA REQUIREMENTS. 4. COMPONENTS UTILIZED IN LADDER CONSTRUCTION SHALL BE ASTM A36 COMPONENTS UTILIZED IN LADDER CONSTRUCTION SHALL BE ASTM A36 STEEL. 5. ALL WELDING SHALL BE PERFORMED BY A WELDER CERTIFIED BY AWS FOR ALL WELDING SHALL BE PERFORMED BY A WELDER CERTIFIED BY AWS FOR THE POSITIONS AND PROCESSES UTLILIZED. 6. SHOP CLEAN ALL STEEL TO SSPC SP3, POWER TOOL CLEANING. SHOP PRIME SHOP CLEAN ALL STEEL TO SSPC SP3, POWER TOOL CLEANING. SHOP PRIME AFTER ALL WELDING IS COMPLETE WITH A MINIMUM DRY FILM THICKNESS OF 2.5 MILS OF TNEMEC 10-99 PRIMER OR EQUAL. 7. SUBMIT SHOP DRAWINGS FOR LADDERS AFTER FIELD MEASURING AND SUBMIT SHOP DRAWINGS FOR LADDERS AFTER FIELD MEASURING AND PRIOR TO FABRICATION.
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EXISTING ROOF HATCH
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DRAWN BY
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CHK'D BY
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ISSUE DATE
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PROJ. NO.
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NO.
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DATE
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REVISION
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SWW
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MAC
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11-05-19
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2019.115
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11-05-19
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ISSUED FOR CONSTRUCTION
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12-04-19
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ADDENDUM No. 2
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3/4"=1'-0"
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SECTION
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20'-0"±
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20'-0"±
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(E) W14
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(E) W10
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(E) W14
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(E) W21
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(E) W27
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NOTE: EXISTING CEILING NOT SHOWN FOR CLARITY
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HSS4x4x1/4 W/ 3/4" PLATE & (4)-3/4" A325 BOLTS, TOP & BOTTOM (TYP. BOTH ENDS OF W16)
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BEARING WALL - RE-ESTABLISH BEARING ON NEW BEAM
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EXISTING RAFTER
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SISTER 2x8 @ 16" O.C. FASTEN TO EXISTING. SEE DETAIL 10/S2
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(E) W14
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MAG DRILL EXISTING STEEL FOR NEW BOLTS, TYP.
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W16x36 W/ CONT. FULL WIDTH 2x PLATE
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FULL DEPTH STIFFENER EACH SIDE OF BEARING, TYP.
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(4)-3/4" A325 BOLTS
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EXISTING BEARING WALL RE-ESTABLISH BEARING ON NEW BEAM
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ADD NEW BRACING IF REQUIRED TO BRACE BEAM @ 4'-0" O.C., MAX.
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EXISTING BRACING (VIF)
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EXISTING 2x6 @ 16"O.C. BEARING WALL
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ADJUST OR REPLACE EXISTING BRACING FOR NEW BEARING ELEVATION
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NOTE: PROVIDE TEMPORARY SUPPORT FOR EXISTING ROOF FRAMING AS REQUIRED TO CUT EXISTING STUDS AND INSTALL NEW W16 BEAM.
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SIMPSON STRONG-TIE SP1, TYP. AT ALL NEW STUD - PLATE CONNECTIONS
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2x4 BRACES BEYOND - SEE DETAIL 3/S2
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EXISTING BEARING WALL
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10d NAIL, TYP.
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10
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3/4"=1'-0"
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TYPICAL 2x8 SISTER DETAIL
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SIMPSON STRONG-TIE A35 FRAMING ANGLE @ NEW OR RELOCATED BRACE
FASTEN EXISTING 2x6 PLATE TO W14 FLANGE W/ 3-HILTI X-U (.157" ) PAFADJACENT TO BRACING
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SECTION
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4x4 BTWN STUDS
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FASTEN 4x4 TO STUDS W/ SIMPSON STRONG-TIE A34 FRAMING ANGLE W/ #9 x 1 1/2" SD SCREWS
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SIMPSON STRONG-TIE LSTA9
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2x4 @ 4'-0" O.C.
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2x4 @ 4'-0" O.C.
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EXISTING 2x6 @ 16" O.C.±
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EXISTING 2x6
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EXISTING 2x6 CEILING JOISTS @ 16" O.C.
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(5)-16d NAILS
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(2)- #10d TOENAILS @ NS & FS
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ALIGN 2x4 TOP FLANGE BRACES IN AS MUCH AS POSSIBLE. WHERE 2x4 TOP FLANGE BRACES TO NOT ALIGN, INSTALL (1) - 9 STRAP TIE TO EACH 2x4 WHERE EACH TOP FLANGE BRACE DOES ALIGN, INSTALL (1) - LSTA15 STRAP TIE CENTERED OVER W14.
L3x3x x 0'-2 " W/ 14 x 0'-2 " W/ x 0'-2 " W/ 12" W/ 58" BOLT CENTEREDIN 4x4
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TYP.
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INSTALL 4x4 BTWN JOISTS - OFFSET 1"
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SIMPSON STRONG-TIE LUS44 HANGER W/ (4)-#10 x 1 1/2" SD CONNECTOR SCREWS TO EXIST. 2x6, TYP.
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ATTIC FLOOR
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SECTION
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10d NAILS
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10d NAILS
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NEW 2x6
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CONT. 1/2" PLYWOOD
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NEW 2x6
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SIMPSON STRONG-TIE LSTA9
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REMOVABLE PLYWOOD PANEL - PROVIDE (2) LIFTING HANDLES TO BE ACCESSED FROM ABOVE
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ACT SUPPORT
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EXISTING SUSPENDED CEILING
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GWB - PAINT WHITE
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NOTE: CUT EXISTING CEILING TILES AND SUSPENDED SYSTEM AS REQUIRED TO INSTALL CEILING OPENING AS SHOWN. INSTALL NEW HANGERS AS REQUIRED TO MAINTAIN STABILITY. NEW TILES AND SUSPENSION SYSTEM COMPONENTS, IF REQUIRED, SHALL MATCH EXISTING.
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DETAIL
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C RUNGS
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L
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5/8" BOLT
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EXISTING FRAMING @ ROOF OPENING
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L3 x3 12x3 12
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L7x4x x 0'-2 "38 x 0'-2 "12"
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3/16
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WELD 3 SIDES
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E
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EXISTING W14x22
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OPP HAND
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1/2"=1'-0"
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DETAIL AT ACCESS OPENING
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CUT BACK EXISTING 2x6 CEILING JOIST FRAME TO DBL 2x6 W/ SIMPSON STRONG-TIE LUS26 HANGER
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EXISTING W27x84
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3'-6"- ALIGN W/
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3'-6"- ALIGN W/
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3'-6"- ALIGN W/
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3'-6"- ALIGN W/
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ADD 2x6 SISTERED TO EXISTING 2x6 - EXTEND FOR 1 " BEARING @ EA. 12" BEARING @ EA. END, SEE 5/S2
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NEW 2x6
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NEW DBL 2x6
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LUS26 HANGER
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LUS26-2 HANGER
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PROVIDE 3/4" PLYWOOD OVER EXISTING CEILING JOISTS FOR 4' AT 3 SIDES
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