1724 N Spurgeon St, Unit A & C - Plan

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REQUIRED IF CHECKED ITEMS A.PRECONSTRUCTION MEETING SHALL BE ATTENDED BY THE STRUCTURAL OBSERVER OF RECORD B. PRIOR TO PLACEMENT OF CONCRETE FOR THE FIRST FOUNDATION POUR C.PRIOR TO PLACEMENT OF CONCRETE IN WALL FORMS. D.UPON COMPLETION OF WELDING AT STEEL MOMENT FRAMES. E.UPON COMPLETED ERECTION OF ALL STRUCTURAL STEEL. F. AFTER NAILING OF ALL PLYWOOD SHEAR WALLS AND ALL HOLDOWNS, DRAGS, STRAPS ARE IN PLACE, AND PRIOR TO COVERING OF THE SHEAR WALLS. G.AFTER NAILING OF FLOOR PLYWOOD DIAPHRAGM(S); PRIOR TO COVERING. H.AFTER NAILING OF ROOF PLYWOOD DIAPHRAGM(S); PRIOR TO COVERING I.PRIOR TO ROOFING OR PLACEMENT OF CONCERTE FILL OVER METAL DECK ROOFS OR FLOORS. J. FINAL WALK THROUGH UPON COMPLETION OF ALL STRUCTURAL ASPECTS OF THE PROJECT PRIOR TO ARCHITECTURAL FINISHES INCLUDING ROOFING. X K.NO STRUCTURAL OBSERVATION REQUIRED. C O P Y R I G H T I S R E T A I N E D B Y E N G T E G R I T Y F R O M T H E D A T E O F I S S U A N C E O F T H E S E D O C U M E N T S . D U P L I C A T I O N O F T H E S E D O C U M E N T S O R T H E B U I L T -W O R K R E P R E S E N T E D B Y T H E M I S P R O H I B I T E D W I T H O U T T H E E X P R E S S , W R I T T E N C O N S E N T O F E N G T E G R I T Y . . OLAF KREUTZ/ OGC PROPERTIES STAIR REPLACEMENT S CRUT S004468 EXP. 12/31/2024 MICH O'BRIEN T LRAU AEL E. 8-29-20251 RESUBMITTAL 1 ALL-THREAD RODS SHALL BE ANCHORED INTO CONCRETE WITH ONE OF THE FOLLOWINGEPOXY ADHESIVE SYSTEMS: SIMPSON SET-3G, INSTALLED IN ACCORDANCE WITH ICC REPORTESR-4057, OR HILTI HY-200, INSTALLED IN ACCORDANCE WITH ICC REPORT ESR-4868. OTHEREPOXY ANCHORING SYSTEMS SHALL ONLY BE USED WITH THE APPROVAL OF THE ENGINEER. 1 ALL-THREAD RODS SHALL BE ANCHORED INTO MASONRY WITH ONE OF THE FOLLOWINGEPOXY ADHESIVE SYSTEMS: HILTI HY-270, INSTALLED IN ACCORDANCE WITH ICC REPORTESR-4143, OR HILTI HY-270, INSTALLED IN ACCORDANCE WITH ICC REPORT ESR-4144. OTHEREPOXY ANCHORING SYSTEMS SHALL ONLY BE USED WITH THE APPROVAL OF THE ENGINEER. 1 DEFERRED SUBMITTAL ITEMS 1. CONCRETE STAIR COMPONENTS THE STRUCTURAL SYSTEM SUPPORTING LANDINGS, TREADS, AND STARTER STEP SECTIONSIS BASED ON THE STANDARD CLOSED RISER SYSTEM OF STEPSTONE, LLC, INCLUDINGEITHER EXPOSED OR CONCEALED PRECAST SUPPORTS. THE PRECAST SYSTEM, PRECASTSUPPORT BRACKETS, AND THE BRACKET ANCHORS TO THE WOOD SUPPORT STRUCTURESHALL BE PROVIDED BY THE CONTACTOR SUBJECT TO THE FOLLOWING CRITERIA: A. CONFORMANCE TO THE 2022 CALIFORNIA BUILDING CODEB. CLOSED RISER SYSTEMC. COMPONENT WEIGHTS PER LENGTH SHALL BE NO GREATER THAN 32 PLF FOR LANDING PLANKS, 38 PLF FOR CLOSED RISERS, AND 27 PLF FOR STARTER STEPS.D. ALL CONCRETE SHALL BE 5,000 PSI. 1 GUARD AND HANDRAIL REQUIREMENTS 1. 2.3. 4.5. 6. 7. 8. GUARDRAILS ARE REQUIRED ALONG ALL OPEN-SIDED WALKING SURFACES THAT ARE MORETHAN 30" MEASURED VERTICALLY, TO THE FLOOR OR GRADE BELOW. SEE STAIR PLANS ONSHEETS SD-1, SD-2, AND SD-3 FOR LOCATIONS.GUARDS SHALL BE 42" IN HEIGHT.GUARDRAILS DO NOT SERVE AS HANDRAILS. THE GUARDRAIL NEWELS, HOWEVER,SUPPORT A SEPARATE HANDRAIL SYSTEM. SEE DETAIL 7/SD-3 AND STAIR PLANS ONSHEETS SD-1, SD-2, AND SD-3 FOR HANDRAIL LOCATIONS, DETAILS, AND SUPPORT.GUARDS SHALL NOT HAVE OPENING WHICH ALLOW PASSAGE OF 4" DIAMETER SPHERE. PASSAGE OF A 6" SPHERE IN THE SPACE FORMED BY THE RISER, TREAD, AND BOTTOMGUARD IS NOT PERMITTED NOR POSSIBLE PER DETAILING PROVIDED. SEE DETAIL 7/SD-3.ALL GUARD AND HANDRAIL COMPONENTS SHALL BE WELDED TOGETHER AROUND THEPERIMETER OF EACH JOINT AND THE OPEN ENDS OF ALL EXPOSED HOLLOW SECTIONSSHALL BE CAPED AND WELDED TO PREVENT MOISTURE INGRESS.PIPE HANDRAIL MATERIAL SHALL HAVE A 35KSI MINIMUM YIELD STRENGTH. OTHERCOMPONENTS SHALL HAVE A 32KSI MINIMUM YIELD STRENGTH. ALL MATERIAL TO BEWELDABLE. USE MATCHING ELECTRODES.FINISH ALL GUARD AND HANDRAIL COMPONENTS WITH A DURABLE,CORROSION-RESISTANT PAINT. 1