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ALUMINUM MODULAR RAMP STAIR SYSTEM CONFIGURATION OPTIONS <br />TYPICAL COMPONENT SIZES 2012 IBC COMPLIANT <br />LANDINGS: 5'x5', 5'x6' OR 7'x7'; CAN BE BOLTED TOGETHER FOR LARGER PLATFORMS 1. ANSI Al 17.1-2009 COMPLIANT <br />RAMPS: 4', 8' OR 10' LONG x 48" WIDE; CAN BE BOLTED TOGETHER TO FORM A MAXIMUM 30' RAMP RUN <br />STAIRS: MAX. 7" RISE x 12" TREAD x 48" WIDE 2. RAMP SLOPE, MAX.RISE = 1:12 (VERT/HORZ) <br />NOTE: WHERE DOOR CLEARANCE ALLOWS, STAIRS CAN BE ADDED TO ANY/ALL OF THE CONFIGURATIONS SHOWN BELOW. 3. CROSS SLOPE, MAX. = 2% <br />4. STAIR RISE = 7" MAX., 4" MIN. <br />5. DESIGN LOADING: <br />❑ A TYPICAL SINGLE DOOR CONFIGURATION ❑ B TYPICAL SINGLE DOOR CONFIGURATION 5.1. DECK/RAMP 100 PSF <br />RAMP LENGTH VARIES; MAX. 30' RUN NUMBER OF RISERS/TREADS VARIES 5.2. STAIR TREAD 300 LBS./TREAD <br />5.3. RAILING 50 PLF/200 LBS. CONC. <br />6. DOOR CLEARANCE PER IBC <br />® 1 7. STANDARD 3 LINE RAIL FOR COMPONENTS <br />Lo 30" OR LESS FROM GRADE TO WALKING <br />Lo <br />SURFACE OF RAMP, LANDING, OR STAIR. <br />5'-0" - 5"®p 8. 42" VERTICAL PICKET GUARDRAIL FOR <br />COMPONENTS OVER 30"FROM GRADE TO <br />WALKING SURFACE OF RAMP, LANDING, OR <br />❑ C TYPICAL DOUBLE DOOR CONFIGURATION ❑ D TYPICAL TWO -BUILDING COMMON LANDING CONFIGURATION STAIR. <br />RAMP LENGTH VARIES; MAX. 30' RUN RAMP LENGTH VARIES; MAX. 30' RUN 9. GRASPABLE CONTINUOUS HANDRAIL AT 34" <br />TO 38" OFF RAMP, PLATFORM, OR STAIR <br />0 <br />I <br />NOSING. <br />1 10. HANDRAILS TO EXTEND 1 2" HORIZONTALLY <br />Ln OVER WALKING SURFACE AND RETURN TO <br />WALL OR RAIL COLUMN. <br />L <br />T F ®� 11. RAMP AND RAILINGS TO HAVE CURBS WHICH <br />1 1 1 ADDITIONAL CAMP OR STAIR 1 DO NOT ALLOW PASSAGE OF 4" SPHERE <br />-11)l ------ _J _L L_ -i- ®®®®® __) WHERE ORIGINAL POSITION OF SPHERE' IS <br />WITHIN 4" OF THE WALKING SURFACE <br />12. FOOTING INFORMATION: <br />2"x12"x12" P.T. WOOD PAD REQUIRED UNDER <br />ALL ADJUSTABLE LEGS EXCEPT AT THE "U" IN <br />TYPICAL INTERMEDIATE LANDING CONFIGURATION TYPICAL SWITCHBACK CONFIGURATION THE SWITCHBACK CONFIGURATION WHERE A <br />❑ E ❑ F 4"x16"x16" CONCRETE PAD -OR- 16"x16" <br />RAMP LENGTH VARIES; MAX. 30' RUN RAMP LENGTH VARIES; MAX. 30' RUN POL YVUL C. PVC PAD IS REQUIRED <br />(SEE CONFIGURATION "F") <br />I , <br />in r,If 0 <br />I <br />5 "-0- <br />5"-0" <br />4"xl6'x16" CONCRETE PAD OR <br />❑ G CUSTOM CONFIGURATION 16"X16" PVC PAD <br />i <br />li" SQ.,,! <br />THICK, 6063T6 <br />D 8"DIA. GRADE <br />5 ZINC <br />1 j"xl j"x.125 AL. ANGLE <br />HOLD DOWN FOR TREAD. <br />BOLT AT MIDDLE AND ON <br />ENDS THROUGH <br />L-SHAPE. A" GRADE 5 <br />BnLTs. <br />1:12 = SLOPE, TYP. <br />SEE SECTION C <br />(2) �" BOLTS. <br />SPACE 2" APART ON CENTER, <br />TYP OF ALL HANDRAIL ANCHORS. <br />TRT 2xl2-12" LONG <br />UNDER SINGLE POST <br />2x12-24" LONG <br />)ER DOUBLE POST <br />TYPICAL ELEVATION (WITH STANDARD RAIL) FOR 30-INCH OR LOWER <br />1„® TOTAL PLATFORM HEIGHT. <br />SCALE. 2 <br />SEE DETAIL 7 FOR <br />CONNECTION DETAIL SEE DETAIL 3 <br />r-- FOR HANDHOLD <br />E <br />i lulu <br />3'--11FOR 8' RAMP SECTION <br />-WELD EXTRUDED T-BAR SHAPE ON ENDS 1 "x1 "x.120" SQ. TUBE CROSS <br />OF EACH RAMP SECTION MEMBER IN MIDDLE OF EACH RAMP <br />USE (3) (GRADE 5) 1j" EQUAL SPACED SECTION. WELD TO LEG POCKETS AND <br />BOLTS WHEN JOINING RAMP SECTIONS BOTTOM OF EXTRUDED L-BAR SHAPE. <br />TOGETHER. <br />NOTE: USE THIS RAILING <br />TYPICAL ELEVATION (INSTALLED WITH GUARDRAILS FOR TOTAL PLATFORM <br />HEIGHT GREATER THAN <br />SCALE: J"=1'-0" 30-INCHES. <br />3"X1-1/2"X.125" AL. <br />PLATE W/TECH <br />SCREWS FOR <br />K5' <br />3"X 1-1 /2"X.125" AL. <br />PLATE W/TECH <br />SCREWS FOR <br />ALIGNMENT <br />Q0 <br />I <br />i� <br />OPTIONAL <br />ADDITIONAL 5'X5' <br />PLATFORM/S. <br />4x4xY4 PIER BASE <br />W/ (4) 5/16" 0 <br />HOLES @ CORNERS <br />W_n" W_n" nR 7'-n" <br />© 4" MIN TO 7" MAX. HT. <br />TYPICAL LANDING WITH STAIR PLAN <br />(3) 1/2"0 BOLTS EQUALLY <br />SPACED THRU 1/4" X 7" STAIR <br />END ALUMINUM PLATE INTO <br />PLATFORM. <br />PLATFORM <br />HEIGHT VARIES <br />16 GA. X <br />47-15/16" FLAT <br />GALV. STEEL, TYP. <br />1/4" x 8" ALUM. <br />PLATE CARRIAGE <br />SEE DETAIL 7 <br />LEVELING FOOT <br />INSTALL BOLT WITH 1" <br />MIN. CLEAR IN <br />STRINGER PLATE <br />AROUND HOLE. (TYP.) <br />2" x 2" x 3/16" <br />RECEIVER TUBE <br />5" LONG (TYP.) <br />DETAIL 2 - STAIRWAY ELEVATION <br />SCALE: 1/2"=l' <br />PLATFORM <br />INSTALL BOLT WITH 1" <br />MIN. CLEAR IN <br />STRINGER PLATE <br />AROUND HOLE. (TYP.) <br />2" x 2" x 3/16" <br />RECEIVER TUBE <br />5" LONG (TYP.) <br />MR <br />GENERAL NOTES AND SPECIFICATIONS <br />1 . THESE PLANS AND SPECIFICATIONS ARE NOT VALID FOR ANY OTHER THAN WELCOME RAMP SYSTEMS, INC. PRODUCT PRODUCED THE <br />STANDARDS SET FORTH IN THESE DRAWINGS AND ACCOMPANYING DESIGN. <br />2. THE RAMP SYSTEM, STAIRS AND PLATFORM HAVE BEEN DESIGNED TO MEET IBC REQUIREMENTS. THE DESIGN LOADING CRITERIA IS 100 <br />PSF LIVE LOAD. <br />3. RAMP DESIGN LIMITS: THE SLOPE SHALL BE 1:12. THE MAXIMUM CROSS SLOPE SHALL BE 2%. THE MAXIMUM RUN SHALL BE 30'. THE <br />MAXIMUM HEIGHT WITHOUT ADDITIONAL ENGINEERING JUSTIFICATION SHALL BE 48" FROM THE PLATFORM TO FINISHED GRADE. <br />4. THE CONTRACTOR SHALL BE RESPONSIBLE TO COMPLY WITH ALL OSHA AND STATE LABOR AND INDUSTRIES STANDARDS. CONTRACTOR <br />ASSUMES FULL RESPONSIBILITY AS TO THE CONDITION OF THE STRUCTURE AND RELATED SYSTEMS. <br />5. WEI COME RAMPS, PLATFORMS, AND STAIRS ARE DESIGNED TO BE FREE STANDING. <br />PLANKING: <br />THIS DESIGN IS LIMITED 1-0 CS METALS PLANKING MATERIALS. <br />RAMP: ALL PLANKING SHALL BE 13 GA. 12"W x 1 1/2" DEEP. <br />PLATFORM: ALL PLANKING SHALL BE 13 GA. 12" W x 1-1/2" D. SEE PLAN FOR LENGTH. <br />Inc® STAIRS: ALL PLANKING SHALL BE 11 GA. 12"W x 2" DEEP. <br />LEGS: <br />LEVELING FEET ASSUMED TO BE PLACED ON SUITABLE FIRM BEARING GROUND. <br />LEG MATERIAL SHALL BE 1-1/2" SQ.X .1 20" AL.TUBING. <br />LEG POCKETS SHALL BE 1.781" SQ X .125" AL. TUBING. <br />ADJUSTING BOLT - 3/8" X 2-1/4" GRADE 5 CAP SCREW W/NYLON LOCK NUT, ZINC PLATED <br />ALUMINUM: <br />THE 1-1/2" AL. HANDRAIL SHALL BE 6063-T5 WITH A YIELD STRESS OF 16 KSI. <br />ALL OTHER ALUMINUM PARTS SHALL BE 6061-T6 ALUMINUM WITH A YIELD STRESS OF 35 KSL <br />HAND RAILS: <br />STAIRS AND RAMPS: USE 1-1/2" SQ. X 5/32" THICK WALLED TUBING FOR POSTS AND HORIZONTAL RAILS EXCEPT THE TOP 1-1/2" <br />ROUND HAND RAIL. <br />STANDARD HANDRAIL (W/O PICKETS) IS ALLOWED ON FINISHED PLATFORM HEIGHTS OF 30" AND LESS. ALL PLATFORM HEIGHTS ABOVE <br />30" SHALL USE PICKET STYLE HANDRAILS. <br />PLATFORM: USE 1-1/2 SO. X 5/32" THICK WALLED TUBING FOR POSTS AND ALL HORIZONTAL RAILS. <br />HEIGHT: TOP OF GRIPPING SURFACES OF HANDRAILS SHALL BE 34 INCHES MINIMUM AND 38 INCHES MAXIMUM VERTICALLY ABOVE WALKING <br />SURFACES. <br />WELDING: <br />FABRICATION PLANT WELDING BY WELDERS CERTIFIED BY A THIRD PARY INSPECTOR AND IN ACCORDANCE WITH ANSI/AWS 31.2 CODE. <br />WELD SIZES ARE EQUAL OR LARGER THAN THE cl EMENT BEING WELDED. <br />WELDING IS ALL AROUND UNLESS OTHERWISE NOTED. CARE IS TAKEN TO AVOID EXCESS WARPING OF WELDED ELEMENTS. <br />FABRICATOR TO CERTIFY ASSEMBLED PART ARE PER THE DRAWINGS PER IBC 1704.2.2. <br />BOLTS: <br />ALL BOLTS SHALL BE ASTM A325 OR GRADE 5 ZINC PLATED, UNLESS OTHERWISE SPECIFIED. PROVIDE LOCKING WASHERS UNDER ALL <br />NUTS AND ANCHOR BOLTS UNLESS OTHERWISE SPECIFIED. <br />HIGH STRENGTH BOLTS ARE DESIGNED AT LESS THAN 50% CAPACITY FOR ADDITIONAL FACTOR OF SAFETY AND DO NOT REQUIRE SPECIAL <br />INSPECTION. <br />TECH SCREWS: <br />ZINC PLATED #10xll", SELF TAPPING. <br />SHOP DRAWINGS: <br />IT IS RECOMMENDED THAT SHOP DRAWINGS BE PREPARED BY OR APPROVED BY THE LIFE SAFETY PROFESSIONAL OF RECORD. <br />-STAIR PLANK, 1 <br />2" X 12" X ®®-- <br />48" <br />DETAIL 1 - STAIR HAND RAIL <br />SCALE: 1 /2"=1 ' <br />42" VERTICAL PICKET <br />GUARDRAIL w/BALLASTS <br />TO PREVENT A 4" <br />SPHERE FROM PASSING <br />THROUGH WHEN OVER <br />30" ELEVATION <br />23" <br />1/4" MARGIN, TYP. <br />1-1/2" AL. ANGLE, <br />3/16" THICK STAIR <br />TREAD STIFFENER <br />\NDRAIL CONNECTION, <br />_TAI L 6 <br />LONG X <br />3/4"X 1-3/4"X.25" AL. <br />1GLE `KITH (2) 3/8" TACK <br />TREWS INTO POST. WELD <br />ANDRAIL TO ANGLE ALL <br />DETAIL 3 AROUND. <br />HANDHOLD <br />SCALE: 1/2" <br />UtIAIL 4 - JIAIN HAND RAIL <br />SCALE- 1/2"=l' 3/16" THICK STAIR <br />WELCOME RAMP SYSTEMS INC. TREAD STIFFENER <br />1i 781 _I <br />1„ <br />3/4," <br />THREADED <br />ADJUSTMENT <br />4" SQ. TYP. <br />DETAIL 5 <br />LEVELING FOOT <br />SCALE: 3"=l' <br />14"x1 j"xA" FILLER ANGLE. <br />PLACE ENDS UNDER TREAD <br />HOLDDOWN ANGLE TO SECURE <br />IN PLACE. <br />�-- - T-SHAPE <br />T-SHAPE EXTRUSION END <br />EXTRUSION PLATE <br />END PLATE <br />SECTION A <br />RAMP CONNECTION <br />1/4" <br />SECTION B <br />RAMP SUPPORT RAIL <br />SCALE: 3"=1 ' <br />NOSING DETAIL <br />SCALE: 3"= l ' 1/4" TRACTION <br />TREAD <br />TRACTION PLANK <br />READ <br />LANK <br />�d- <br />N <br />SECTION D <br />PLATFORM SUPPORT RAIL <br />SCALE: 3"=1 ' <br />AL. VERT. HAND RAIL <br />1 j"x 1 Z"x.125 SQ. <br />12" LONG 1 �"x l j"x.125" SQ. <br />TUBE INSERT. WELD TO <br />4"x4%j" AL. BASE PLATE <br />J"x2" AL. FLAT BAR THAT <br />CONNECTS RAMP STRINGERS <br />J"xlj" AL. PLATE WELDED TO <br />EXTRUSION TO MAKE CONTINUOUS <br />L SHAPE <br />_ _____________G <br />" 11" <br />SECTION C <br />RAMP END TRANSITION END LEG <br />SCALE: 3"=l' <br />2 1/2" <br />1 <br />TECH SCREW / <br />3/8" DIA. THRU <br />BOLT W/ NYLON <br />INSERT LOCK NUT <br />SUPPORT <br />POST, TYP <br />5/16„ <br />2.'754 <br />DETAIL 6 <br />OPTIONAL BRACKET FOR HAND RAIL SUPPORTS <br />SCALE: 3"=1 ' <br />x„ <br />d <br />® <br />w <br />o Ir <br />uj <br />LLJ <br />00 <br />Z)w <br />W <br />oOR <br />V, <br />uj <br />�m <br />h2�g <br />CL CL <br />0 <br />m C.) 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