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HomeMy WebLinkAboutDRB140117_A1.1_1399907040.pdf 44 - 41/4°A•ON*4/ s 2012 IBC NOTES: ACCESSIBLE MEANS OF EGRESS NOT REQUIRED: REFER TO SECTION IOO7.I, EXCEPTION I, CE rig 1802012. ACCESSIBLE MEANS OF EGRESS NOT REQUIRED IN ALTERATIONS TO EXISTING BUILDINGS. , STAIRWAY WIDTH: REFER TO SECTION 1004.1, IBC 2012. EXCEPTIONS: STAIRWAYS 4 IL SERV SERVINGAN�OCCUPANT LOAD OF LESS THAN 50 SHALL HAVE A CLEAR WIDTH OF NOT var, RISER HEIGHT AND TREAD DEPTH: REFER TO SECTION 1004.4.2, IBC 20L2. STAIR RISER — DRB HEIGHT SHALL BE 1" MAXIMUM AND 4" MINIMUM MEASURED VERTICALLY BETWEEN VI APPROVED LEADING EDGES OF ADJACENT TREADS. RECTANGULAR TREADS DEPTHS SHALL BE II 5/12/2014 12:00:00 AM MINIMUM MEASURED HORIZONTALLY BETWEEN THE VERTICAL PLANES OF THE FOREMOST PROJECTION OF ADJACENT TREADS. DIMENSIONAL UNIFORMITY: REFER TO SECTION 1004.4.4, IBC 2012. STAIR TREADS AND RISERS SHALL BE OF UNIFORM SIZE AND SHAPE. OPEN RISER: REFER TO SECTION 1004.4.5 IBC,2012. RISERS SHALL BE SOLID AND VERTICAL OR SLOPED UNDER THE TREAD ABOVE FROM THE UNDERSIDE OF THE NOSING AT AN ANGLE NOT MORE THAN 30 DEGREES FROM THE VERTICAL. EXTG. EXTERIOR WALL, EXTG. EXTERIOR WALL, BLDG ENVELOPE �` BLDG ENVELOPE �` STAIRWAY LANDINGS: REFER TO SECTION 1004.5, IBC 2012. THERE SHALL BE A LANDING I'-3 I/2" AT THE TOP AND BOTTOM OF EACH STAIRWAY. THE WIDTH OF LANDINGS SHALL NOT BE LESS THAN THE WIDTH OF THE STAIRWAYS THEY SERVE. EVERY LANDING SHALL HAVE A L Is _ = EXTG.2 X 8 MINIMUM DIMENSION MEASURED IN THE DIRECTION OF TRAVEL EQUAL TO THE WIDTH OF \ 1 \ \ I \ \ ARCHITECTURE GAURDRAIL THE STAIRWAY. OUTDOOR CONDITIONS: REFER TO SECTION 1004,6.2, IBC 2012. OUTDOOR STAIRWAYS PLANNING EXTG.2 X 8 I SHALL BE DESIGNED SO THE WATER DOES NOT ACCUMULATE ON WALKING SURFACES. GAURDRAIL I INTERIORS Q STAIR AND VERTICAL RISE: REFER TO SECTION 1004.7, IBC 2012. A FLIGHT OF STAIRS SHALL NOT SINCE 1977 CONCRETE PAD EXTG. EXTG. EXTG. I HAVE A VERTICAL RISE GREATER THAN 12' BETWEEN FLOOR LEVELS. in 2X JOISTS BELOW DECKING 0 EXTG. EXTG. z 4X12 BEAM 4X12 BEAM TO BE REMOVED /EXTG.4X12 BEAM 4X12 BEAMNE\ - HANDRAILS: REFER TO SECTION 1004.12, IBC 2012. STAIRWAYS SHALL HAVE HANDRAILS rytu (ABOVE) 2X JOISTS BELOW DECKING (ABOVE) ON EACH SIDE AND SHALL COMPLY WITH SECTION 102. ARCHITECTS L (ABOVE) �a (ABOVE) p TO BE REMOVED o \ L - 'f' ry z "' IA HANDRAIL HEIGHT: REFER TO SECTION 1012.2, IBC 2012. HEIGHT SHALL BE UNIFORM, NOT 9 0 W B E N C H V A R K R 0 A D I d' LESS THAN 34" AND NOT MORE THAN 38" ABOVE STAIR TREAD NOSING. SUITE 207 EXTG. 4 X 4 POST w 0 HANDRAIL GRASPABLITY: REFER TO SECTION 1012.3, 115020a. 1012.32 TYPE I I. B I w EXTG. 4X4POST OX 5300 LXTG. 4 X 4 POST 0 HANDRAIL CONTINUITY: REFER TO SECTION 1012.4, IBC 2012. GRIPPING SURFACES SHALL � o L J BE CONTINUOUS WITH NO INTERRUPTION BY NEWEL POSTS OR OTHER OBSTRUCTIONS. AVI' ON , C 0 81620 L J \ HANDRAIL EXTENSIONS: REFER TO SECTION 1012,5, 15C 2012. HANDRAILS SHALL RETURN 970 . 949 . 5200 EXTG.2 X 8 L EXTG.2 X 8 TO A WALL, GUARD, OR THE WALKING SURFACE. HANDRAILS SHALL EXTEND 1 HORIZONTALLY AT LEAST 12 INCHES BEYOND THE TOP RISER AND CONTINUE TO SLOPE GAURDRAIL GAURDRAIL FOR THE DEPTH OF ONE TREAD BEYOND THE BOTTOM RISER. vmda@vmda. com © © EXTG. 4 X 4 POST UFAX 949 . 5 2 0 5 1 1 HANDRAIL CLEARANCE: REFER TO SECTION 1012.1, TBG 2012. CLEAR SPACE BETWEEN EXTG. DECKING .412 .412 412 .412 HANDRAIL AND A WALL OR OTHER SURFACE SHALL BE A MINIMUM OF 1.5 INCHES. CANTILEVER GUARDS: REFER TO SECTION 1013.1, IBC 2012. GUARDS SHALL BE LOCATED ALONG OPEN-SIDED WALKING SURFACES AND LANDINGS THAT ARE LOCATED MORE THAN 30" MEASURED VERTICALLY TO THE FLOOR OR GRADE AT ANY POINT WITHIN 3k" b12,76," /IL HORIZONTALLY TO THE EDGE OF THE OPEN SIDE. GUARDS SHALL BE ADEQUETE IN STRENGTH AND ATTACHMENT IN ACCORDANCE WITH SECTION 1607.1. / GUARDRAIL HEIGHT: REFER TO SECTION 10132, IBC 2012. REQUIRED GUARDS SHALL NOT BE LESS THAN 42" HIGH, MEASURED VERTICALLY ABOVE THE ADJACENT WALKING SURFACE OR LINE CONNECTING LEADING EDGES OF TREADS. XIS I 1 \G LO/\---71R D FLAN .,NIT 6A -XISTI \S NiF R D7=-G‹ PLAN .,\ IT 6G OOTHPENIAVENG 10ITANGSWHIREFER TO SECT GAGEOFA5HERE1013.3, 1150 2012. 4EU1HEEDINDIDSSHALL �� - - �� OD �� - - " FROM THE WALKING SURFACE TO THE REQUIRED HEIGHT. THE TRIANGULAR OPENINGS AT SCALE: I /2 I SCALE: I /2 - I' O OPEN SIDE OF STAIR, FORMED BY THE RISER, TREAD, AND BOTTOM RAIL SHALL NOT ALLOW PASSAGE OF A SPHERE,6 INCHES IN DIAMETER. U Id � v < w W � ( O• CH z pVDLO zoo _ Q Dco _ 0 wO I-10 = EXTG. EXTERIOR WALL, EXTG. EXTERIOR WALL, 0 O 2 TREADS II" BLDG ENVELOPE BLDG ENVELOPELL J _1 CC (J) < wp > r \ \ 00 Q 100'-0",11 T.O.SLAB 11. 2 j (I) (O NEW BEAM, 6 T.O IDEGK 1' w101-4"A111111 • 1— 0 ry NEW ,42J 101'-4" REF. 51RUGT� .42.1 STAIR AND T.O.DEGK "V z NEW BEAM, IMMIMI w in CONCRETE PAD d REF. SIRUCT— � Q BELOW ri NEW BEAM, NNEW DECKING 4 = LO NEW POST TO REPLACE EXISTING, ry ,,, REF. STRUGT�` JOISTS, REF. STRUCT n CV EXTG. LOCATION TO REMAIN 0 I p I 4X12BEAM in " V in 3'-I 1/2" (ABOVE) _— v NEW POST TO REPLACE EXISTING, Lu NEW POST TO REPLACE EXISTING, LOCATION TO REMAIN K LOCATION TO REMAIN z NEW POST TO REPLACE EXISTING, LINE OF UPPER DECK pZ"7\ LOCATION TO REMAIN A Nv ILI 0 ti w \\ _xv II c 11' ©COPYRIGHT x I1 Victor Mark \ I > w - Donaldson co z Architects 0 2 o All Rights NEW 2 X 8 2 u \ Reserved GAURDRAIL 4,2.1 42.1 ,42.1 42.1 REVISION 1 05.07.14 k 12'76" // / 12'b A J6'-7 1/2" / I6'-7 1/2" / DATE 04/18/14 _ — JOB NO. 1204 NEA ,C)A-R -G C FLAN _ ,,\ I T 6A - \-A .,,FF-R D-C/< FLA\ _ .,1\11 -r 151C/SCALE: I /2" = I' - 0" (31- SCALE: I /2" = I' - 0" DEMO AND N E W FLOOR PLANS D) iP& o [ ij SHEET \O. Al . 1