Item 30 - 4th and Mortimer Mixed-Use Development Project Located at 409 and 509 East Fourth Street

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101218416171 HR STEEL BEAM PROTECTION1-HR STEEL COLUMN PROTECTIONWALL/POST WHERE OCCURSINDIVIDUALLY WRAPPED BEAM W/ (2) LAYERS 5/8"THK. TYPE "X" GYP. BD. & FIRE TAPED 1-HR.DHUTF TOP-MOUNT HANGER (INSTALL AFTERDRYWALL IS IN PLACE)2x4 STUDS @ 16" O.C. WHEREOCCURSBEAM - SEE STRUCT. DWG'S.(2) LAYERS 5/8" TYPE "X" GYP. BD.CEILING O/ RESILIENT CHANNELS@ 16" O.C. @ GARAGEINDIVIDUALLY WRAPPED BEAM W/ (2) LAYERS5/8" TYPE "X" GYP. BD. & FIRE TAPED 1-HR.DHUTF TOP-MOUNT HANGER (INSTALL AFTERDRYWALL IS IN PLACE)INSULATION MAY OCCURFIRE SEALANT2X JOIST, PER STRUCT. DWG'S.2x JOIST, PER STRUCT. DWG'S.NOTE:INDIVIDUALLY PROTECT BM. @ LOCATIONSWHERE BM. IS SUPPORTING MORE THAN(2) FLOORS OR (1) FLR. & A ROOF, PER CBC704.OF COLUMNS AND PRIMARY STRUCTURAL FRAME19111 HR FLOOR/ CEILING ASSEMBLY3x WOOD NAILER AT INTERIOR, RIPPED TO SLOPE AT EXTERIOR DECKTPLFACE OF STUD WALL PER PLANC STL. BEAM & COLUMNLPER PLAN1-HR OR 2-HR EXTERIOR WALL PER PLANSTEEL BEAM - INDIVIDUALLY WRAPPEDSEE 4/AD-29 FOR APPROVED TESTED DETAILCANTILEVERED BEAM BEYOND (HATCHED)INDIVIDUALLY WRAPPEDPLYWOOD, WHERE REQ'D PERSTRUCTURALTO STEEL AT 4TH FLR AMENITY(ONLY)TO SHEATHING3 1/4"REFER TO STRUCTURAL FORINFORMATION NOT SHOWN HERE14201AD-212X BLOCKING TO MAINTAIN 2-HOUR RATING ATDECK-TO-WALL TRANSITION, WHERE OCCURSSTEEL BEAM @ EXTERIOR WALL AND INTERIOR SPACE - 2HR1 HR FLOOR/ CEILING ASSEMBLY3x WOOD NAILER AT INTERIOR & 2X NAILER AT EXTERIOR DECKTPLFACE OF STUD WALL PER PLANC STL. BEAM & COLUMNLPER PLAN1-HR OR 2-HR EXTERIOR WALL PER PLANSTEEL BEAM - INDIVIDUALLY WRAPPEDSEE 4/AD-29 FOR APPROVED TESTED DETAILDHUTF TOP-MOUNT HANGER(INSTALL AFTER DRYWALL IS INPLACE)CANTILEVERED BEAM BEYOND (HATCHED)INDIVIDUALLY WRAPPEDPLYWOOD, WHERE REQ'D PERSTRUCTURALTO STEEL AT 4TH FLR AMENITY(FITNESS ONLY)TO SHEATHING3 1/4"REFER TO STRUCTURAL FORINFORMATION NOT SHOWN HERE1AD-212X BLOCKING TO MAINTAIN 2-HOUR RATING ATDECK-TO-WALL TRANSITION, WHERE OCCURS2X NAILER1 HR FLOOR/CEILING ASSEMBLY8AD-21DEPRESSED LEVEL FRAMING W/ 2X CRICKETING TOACHIEVE SLOPE.STEEL BEAM @ EXTERIOR WALL AND INTERIOR SPACE - 2HRAPPLY SEALANT AFTER COMPLETION OFIMPERVIOUS SURFACE SYSTEM FINISH COATDHUTF TOP-MOUNT HANGER(INSTALL AFTER DRYWALL IS INPLACE)1 HR FLOOR/CEILING ASSEMBLY8AD-211AD-221-HOUR FIRE RESISTIVE RATED WALL PER DETAILCOLUMN PROTECTION OPTION "A"2-1/2 HOURS2-1/2 HOURSADD ONE (1) LAYER 1/2" TYPE "X" GYPSUM WALLBOARD EACH SIDE OFDETAILED WALL TYPE PER PLANMAXIMUM 3-1/2" (WOOD OR STEEL) COLUMN WHERE OCCURS PER 25 40 20 40 25 150 MINUTES TIME ASSIGNED TO WALLBOARD MEMBRANES (C.B.C. TABLE 722.6.2(1) (TYP.)TIME ASSIGNED TO CONTRIBUTION OF WOOD FRAME (C.B.C. TABLE 722.6.2(2)CUMULATIVE CALCULATED FIRE RESISTANCE RATING OF WALLTWO (2) LAYERS 5/8" TYPE "X" GYPSUM WALLBOARD EACH SIDE OF COLUMNEXPOSED TO WALL CAVITY65 65 CUMULATIVE TIME ASSIGNMENT OF COLUMN ENCASEMENT PROTECTIONAT WALL FACE SIDES OF COLUMNPER C.B.C. SECTION 722.640404040TIME ASSIGNED TO WALLBOARD MEMBRANES (C.B.C. TABLE 722.6.2(1) (TYP.)8080CUMULATIVE TIME ASSIGNMENT OF COLUMN ENCASEMENT PROTECTIONAT COLUMN FACES EXPOSED TO WALL CAVITY3 HOURS20TIME ASSIGNED TO CONTRIBUTION OF WOOD FRAME (C.B.C. TABLE 722.6.2(2)EXTENTS OF SEPARATE WALL ASSEMBLIES WITH CUMULATIVE CALCULATEDFIRE RESISTANCE RATING OF WALL PER C.B.C. SECTION 722.6NOTES:1.WHERE COLUMN REQUIRING INDIVIDUAL ENCASEMENT PER C.B.C. SECTION 704.3 OCCURS WITHIN A 2x4 STUD WALL TYPE PER PLAN, PROVIDEENCASEMENT BY ADDING FACE ONE (1) LAYER OF 1/2" TYPE "X" GYPSUM WALLBOARD ON EACH SIDE OF WALL. ADD TWO (2) LAYERS OF 5/8" TYPE "X"GYPSUM WALLBOARD ON EACH SIDE OF COLUMN FACE EXPOSED TO CAVITY OF WALL.2.CONFIRM MINIMUM CLEARANCE REQUIRED FOR ACCESSIBILITY, FIXTURE, EQUIPMENT AND FINISHES ARE MAINTAINED IF THICKNESS OF ADDITIONALGYPSUM WALLBOARD IS ADDED TO WALL. SEE PLANS.90 20 90 200 MINUTES1 HOUR1 HOUR2525252575752.83 HOURS2025 25 4025 25 402525 1AD-221-HOUR FIRE RESISTIVE RATED WALL PER DETAILCOLUMN PROTECTION OPTION "B"NOTES:2.WHERE COLUMN REQUIRING INDIVIDUAL ENCASEMENT PER C.B.C. SECTION 704.3 OCCURS WITHIN A 2x4 STUD WALL TYPE PER PLAN, SUBSTITUTE3.CONFIRM MINIMUM CLEARANCE REQUIRED FOR ACCESSIBILITY, FIXTURE, EQUIPMENT AND FINISHES ARE MAINTAINED DUE TO INCREASE IN THICKNESSOF 2x6 STUD WALL. SEE PLANS.2x6 STUDS IN LIEU OF 2x4 STUDS TO PROVIDE ADEQUATE DIMENSION FOR TWO (2) LAYERS 1/2" TYPE "X" GYPSUM WALLBOARD ENCASEMENT AROUND4x4 COLUMN, BETWEEN COLUMN AND CAVITY FACE OF 1-HOUR FIRE RESISTIVE RATED WALL GYPSUM WALLBOARD MEMBRANE.1.SEE OPTION "A" ABOVE FOR TYPICAL NOTES, DIMENSIONS, SIMILAR CONDITIONS AND ADDITIONAL INFORMATION.THREE (3) LAYERS 1/2" TYPE "X" GYPSUM WALLBOARD EACH SIDE OF COLUMNEXPOSED TO WALL CAVITYTWO (2) LAYERS 1/2" TYPE "X" GYPSUM WALLBOARD EACH SIDE OF COLUMN(WOOD OR STEEL) BETWEEN COLUMN AND CAVITY FACE OF 1-HOURGYPSUM WALLBOARD MEMBRANE OF 1-HOUR FIRE RESISTIVE RATED WALLPER DETAILDROP BEAM ENCASEMENTFLUSH BEAM ENCASEMENT4025254025404025254025402540 1AD-211-HOUR FIRE RESISTIVE RATED FLOOR/CEILING PER DETAILWALL PER PLAN (WHERE OCCURS)JOISTS AT PARALLEL ORIENTATIONJOISTS AT PERPENDICULAR ORIENTATIONWHERE BEAM IS FLUSH TO BOTTOM OF FLOOR OR ROOF SHEATHING,THE SHEATHING CREATES THE UPPER MEMBRANE OF PROTECTIONENCASEMENT, AND IS ALLOWED A REDUCED FIRE RESISTANCE RATING OF15 MINUTES PER C.B.C. SECTION 722.6.2(5)PROTECTION ENCASEMENT ON ALL EXPOSED SIDESDHUTF TOP-MOUNT HANGER (INSTALL AFTER DRYWALL IS IN PLACE) BEAM (WOOD OR STEEL) PER STRUCTURAL DRAWINGS656565 BASE LAYER: ONE (1) LAYER 1/2" TYPE "X" GYPSUM WALLBOARDFACE LAYER: ONE (1) LAYER 5/8" TYPE "X" GYPSUM WALLBOARDWALL PER PLAN (WHERE OCCURS)JOISTS AT PARALLEL ORIENTATIONEND BLOCKING OF JOISTS AT PERPENDICULAR ORIENTATIONPROTECTION ENCASEMENT ON ALL EXPOSED SIDES, INCLUDING CONNECTIONSTO OTHER STRUCTURAL MEMBERS. ACCEPTABLE TO INTERRUPT PROTECTIONBEAM (WOOD OR STEEL) PER STRUCTURAL DRAWINGSBASE LAYER: ONE (1) LAYER 1/2" TYPE "X" GYPSUM WALLBOARDFACE LAYER: ONE (1) LAYER 5/8" TYPE "X" GYPSUM WALLBOARDENCASEMENT AT INTERSECTING WOOD FRAME MEMBERS ABOVE BEAM. WOODMEMBERS TO PROVIDE MIN. 15 MINUTE FIRE RESISTANCE PER C.B.C. SECTION722.6.2(5) AND TABLE 722.6.2(1)6565 TIME ASSIGNED TO WALLBOARD MEMBRANES (C.B.C. TABLE 722.6.2(1) (TYP.)CUMULATIVE TIME ASSIGNMENT OF BEAM ENCASEMENT PROTECTIONGENERAL NOTES:1.PER C.B.C. SECTION 704, STRUCTURAL MEMBERS AND ASSEMBLIES ARE REQUIRED TO HAVE A FIRE RESISTANCE RATING NOT LESS THAN THE RATINGSSUPPORTED BY THE STRUCTURAL MEMBERS.2.THE DETAILS AND CONDITIONS ILLUSTRATED ABOVE PROVIDE OPTIONS FOR MINIMUM 1-HOUR FIRE RESISTANCE RATED PROTECTION OF STRUCTURALMEMBERS.3.GENERAL CONTRACTOR TO IDENTIFY STRUCTURAL MEMBERS REQUIRING FIRE RESISTANCE RATED PROTECTION AND EITHER SELECT AN OPTION FROMABOVE, OR SUBMIT ALTERNATIVE DETAILS FOR ARCHITECT'S REVIEW, TO PROVIDE REQUIRED PROTECTION.4.WHERE PROTECTION OF STRUCTURAL MEMBER REQUIRES INCREASING DIMENSION OF FINISH WALL ASSEMBLY FROM THAT DESCRIBED ELSEWHERE,GENERAL CONTRACTOR TO CONFIRM REDUCED ROOM SIZE ACCOMMODATES ALL FIXTURES AND FINISHES AND PROVIDES ALL REQUIRED ACCESSIBILITYCLEARANCES AS SHOWN ON PLANS. NOTIFY ARCHITECT IMMEDIATELY IF FINISH ROOM DIMENSIONS ARE MODIFIED.5.FIRE RESISTANCE RATINGS OF ENCASEMENT PROTECTION ILLUSTRATED ABOVE ARE DETERMINED BY CALCULATIONS IN ACCORDANCE WITH C.B.C.SECTION 722 (C.B.C. SECTION 703.3, PROCEDURE #3.STRUCTURAL DRAWINGSFIRE RESISTIVE RATED WALL6.DETAILS ILLUSTRATE WOOD STRUCTURAL COLUMNS AND BEAMS. WHERE STEEL STRUCTURAL COLUMNS AND BEAMS OCCUR, USE SAME PROTECTIONREQUIREMENTS UNLESS NOTED OTHERWISE IN DRAWINGS.1-HOUR FIRE RESISTANCE PROTECTION2-HR STEEL COLUMN PROTECTIONCCOPYRIGHTIt is the clients responsibility prior to or during construction to notify the architect in writingof any perceived errors or omissions in the plans and specifications of which a contractorthoroughly knowledgeable with the building codes and methods of construction shouldreasonably be aware. Written instructions addressing such perceived errors or omissionsshall be received from the architect prior to the client or clients subcontractors proceedingwith the work. The client will be responsible for any defects in construction if theseprocedures are not followed.Architecture + Planning17911 Von Karman Ave.Suite 200Irvine, CA 92614ktgy.com949.851.2133License StampProject Contact:Email:Principal: Project Designer:Project Director:KTGY Project No:2017-0934Debbie Hollanddholland@ktgy.comWil WongD. SchoolmeesterDebbie HollandDeveloperPHONE NO.4199 CAMPUS DRIVEIRVINE, CA 92612(714) 342-2502415 & 515 E. 4TH STREET, SANTA ANA, CA 92701 4TH AND MORTIMERNo.Date Description06-21-2023 FIFTH BUILDING DEPARTMENT SUBMITTALA03-21-23ADDENDUM AFIRE-RATED PRIMARYSTRUCTURAL FRAMEDETAILSAD-2806-21-23