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ALUMINUM MODULAR RAMP & STAIR SYSTEM CONFIGURATION OPTIONS
<br />TYPICAL COMPONENT SIZES
<br />® LANDINGS: 5'x5% 5'x6' OR 7'x7'; CAN BE BOLTED TOGETHER FOR LARGER PLATFORMS
<br />® RAMPS: 4', 8' OR 10' LONG x 48" WIDE; CAN BE BOLTED TOGETHER TO FORM A MAXIMUM 30' RAMP RUN
<br />® STAIRS: MAX. 6"-7" RISE x 12" TREAD x 48" WIDE
<br />NOTE: WHERE DOOR CLEARANCE ALLOWS, STAIRS CAN BE ADDED TO ANY/ALL OF THE CONFIGURATIONS SHOWN BELOW.
<br />❑ A TYPICAL SINGLE DOOR CONFIGURATION ❑ B TYPICAL SINGLE DOOR CONFIGURATION ❑ G TYPICAL DOUBLE DOOR CONFIGURATION
<br />RAMP LENGTH VARIES; MAX. 30' RUN NUMBER OF RISERS/TREADS VARIES RAMP LENGTH VARIES; MAX. 30' RUN
<br />1 P55 I P55 0l
<br />U-) n
<br />5'-0" 5'-0" � ,
<br />P55
<br />P55.
<br />I
<br />P55
<br />5'-0'°
<br />5'-0°'
<br />Welcome Ramp Systems, inc.
<br />❑ D TYPICAL TWO -BUILDING COMMON LANDING CONFIGURATION
<br />❑ E TYPICAL INTERMEDIATE LANDING CONFIGURATION
<br />❑ F TYPICAL SWITCHBACK
<br />CONFIGURATION
<br />RAMP LENGTH VARIES; MAX. 30' RUN
<br />RAMP LENGTH VARIES; MAX. 30' RUN
<br />RAMP LENGTH VARIES;
<br />MAX. 30' RUN
<br />® P55 P55 P55 �I P55 - P55
<br />LO
<br />o 1 P55 P55
<br />o I
<br />r
<br />�I P55 j P55 P55 ADDITIONAL AMP OR STAIR
<br />in
<br />5'-0" 5'-0" 5'-0"
<br />❑ G DOUBLE DOOR EXIT1/8" = 1'-0" ❑ H ALTERNATE DOUBLE DOOR EXIT1/8" = 1'-0" ❑ I DUMPSTER RAMP1/8" = 1'-0"
<br />u)
<br />10',1
<br />❑ j CUSTOM CONFIGURATION
<br />1/8" = 1'-0"
<br />HANDRAIL BOTH SIDE OF RAMP
<br />PICKET
<br />SUPPORT RAIL
<br />r3 HOLES PER
<br />I SUPPORT, TYP
<br />(2) J" BOLTS.
<br />SPACE 2" APART ON CENTER,
<br />TYP OF ALL HANDRAIL ANCHORS.
<br />TRT 16x16 ABS PAD UNDER
<br />POST W/(1) SDS25112 POST
<br />FOOT TO PAD
<br />inEL r
<br />P55 P55 P55
<br />0
<br />1.-1./2"x1.2"x60" TRACTION TREAD PLANK (+32")
<br />1-1./2"X1�2"X48" TRACTION TREAD PLANKS
<br />36" OSHA RAIL ON RAMP
<br />LO P54 P54 FtR41 et
<br />IN
<br />"- 42°° OSHA RAIL
<br />TYPICAL ELEVATION (WITH STANDARD RA1L) FOR �3o=INCH' OR LOWER
<br />SCALE: J"=1'-0" TOTAL PLATFORM HEIGHT.
<br />SEE DETAIL 6 FOR
<br />CONNECTION DETAIL
<br />SEE DETAIL 3
<br />FOR HANDHOLD
<br />® B
<br />4'-11" FOR 10 RAMP SECTION
<br />3'-11" FOR 8' RAMP SECTION
<br />.WELD EXTRUDED T-BAR SHAPE ON ENDS\_1j"x1j"x.120" SQ. TUBE CROSS
<br />OF EACH RAMP SECTION MEMBER IN MIDDLE OF EACH RAMP
<br />USE (3) (GRADE 5) 1 j" 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 />I
<br />3"X1-1/2"X.125" AL.
<br />X5'
<br />3"X1-1/2"X.125" AL.
<br />PLATE W/TECH
<br />SCREWS FOR
<br />- ALIGNMENT
<br />I I
<br />OPTIONAL
<br />ADDITIONAL 5'X5
<br />PLATFORM/S.
<br />4x4xY4 PIER BASE
<br />W/ (2) 5/16"0
<br />HOLES ® CORNERS
<br />1j"x1j"xj" FILLER ANGLE.
<br />PLACE ENDS UNDER TREAD
<br />HOLDDOWN ANGLE TO SECURE
<br />IN PLACE.
<br />T-SHAPE (2) $°I�x 4°' LAGBOLT,
<br />T-SHAPE EXTRUSION END GALV. OR SDS300 @ EACH
<br />EXTRUSION PLATE 5-FT PLATFORM SECTION
<br />END PLATE ADJACENT BUILDING
<br />SECTION A
<br />RAMP CONNECTION
<br />SCALE: 3"=1' 1/4" TRACTION
<br />'� TREAD
<br />PLANK
<br />1/� TRACTION
<br />TREAD
<br />PLANK
<br />N �
<br />r \
<br />N
<br />SECTION D
<br />\ PLATFORM SUPPORT RAIL &
<br />SECTION B CONNECTION TO BUILDING
<br />RAMP SUPPORT RAIL SCALE: 3"=1'
<br />SCALE: 3"=1' AL. VERT. HAND RAIL
<br />1j"x1�"x.125 SQ.
<br />12" LONG 1j"x1j"x.125" SQ.
<br />TUBE INSERT. WELD TO
<br />4"x4"x4" AL. BASE PLATE
<br />J"x2" AL. FLAT BAR THAT
<br />CONNECTS RAMP STRINGERS
<br />j"x1j" AL. PLATE WELDED TO
<br />EXTRUSION TO MAKE CONTINUOUS
<br />L SHAPE `
<br />NOSING DETAIL
<br />N
<br />11"
<br />SECTION C
<br />RAMP END TRANSITION END LEG
<br />SCALE: 3"=1 '
<br />CODE COMPLIANCE
<br />1. IBC 2015, CHAPTER 10 COMPLIANT
<br />2. ICC/ANSI Al 17.1-2009 COMPLIANT
<br />3. RAMP
<br />3.1. SLOPE, MAX.RISE = 1:12 (VERT/HORZ)
<br />3.2. RISE = 30" MAX. BETWEEN LEVEL PLATFORMS
<br />3.3. WIDTH = 48" SURFACE W/ 36" MIN. BETWEEN
<br />HANDRAILS
<br />3.4, CROSS SLOPE, MAX. = 2%
<br />4. STAIR:
<br />4.1. RISE = 7" MAX., 4" MIN.
<br />4.2. DEPTH/RUN = 12" STEP W/ I" OVERHANG
<br />4.3. WIDTH = 44", MIN. SURFACE (51" STANDARD), 42"
<br />MIN. BETWEEN HANDRAILS
<br />4.2. SLOPE, MAX. = 2%
<br />5. DESIGN LOADING:
<br />5.1. DECK/RAMP 100 PSF
<br />5.2. STAIR TREAD 300 LBS./TREAD
<br />5.3. RAILING 50 PLF/200 LBS. CONC.
<br />5.4. LATERAL LOAD 600# PEDESTRIAN
<br />5.5. WIND LOAD 130 MPH, EXP B, Kzt=2.0
<br />5.6. SEISMIC LOAD Sds=1.0, SITE CAT. 'D'
<br />6. DOOR CLEARANCE PER IBC
<br />7. STANDARD 3 LINE RAIL FOR COMPONENTS 30" OR LESS
<br />FROM GRADE TO WALKING SURFACE OF RAMP, LANDING,
<br />OR STAIR.
<br />8. 42" VERTICAL PICKET GUARDRAIL FOR COMPONENTS
<br />OVER 30" FROM GRADE TO WALKING SURFACE OF RAMP,
<br />LANDING, OR STAIR.
<br />9, GRASPABLE CONTINUOUS 1.5" 0 HANDRAIL AT 36" OFF
<br />RAMP, PLATFORM, OR STAIR NOSING. INSTALL BOTH
<br />SIDES OF STAIRS AND RAMP.
<br />10. HANDRAILS TO EXTEND 12" HORIZONTALLY OVER
<br />WALKING SURFACE AND RETURN TO WALL OR RAIL
<br />COLUMN.
<br />11. RAMP AND RAILINGS TO HAVE CURBS OR BOTTOM RAIL
<br />WHICH DO NOT ALLOW PASSAGE OF 4" SPHERE WHERE
<br />ORIGINAL POSITION OF SPHERE IS WITHIN 4" OF THE
<br />WALKING SURFACE
<br />12. FOOTING INFORMATION:
<br />2"x12"x12" P.T. WOOD OR ABS PAD REQUIRED UNDER
<br />ALL ADJUSTABLE LEGS
<br />PLATFORM
<br />INSTALL BOLT WITH 1"
<br />4
<br />MIN. CLEAR IN
<br />STRINGER PLATE
<br />o
<br />AROUND HOLE. (TYP.)
<br />to
<br />2" x 2" x 3/16"
<br />RECEIVER TUBE
<br />5" LONG (TYP.)
<br />�
<br />c�
<br />!C1
<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 />W-n„ W-n" nR 7,_n>,
<br />® 4" MIN TO 7" MAX. HT.
<br />TYPICAL STAIR & LANDING PLAN
<br />4" HANDRAIL TIE
<br />DETAIL 6
<br />HANDRAIL
<br />'-STAIR PLANK,
<br />2" X 12" X
<br />48"
<br />DETAIL 1 - STAIR HAND RAIL
<br />SCALE: 1 /2"=1 '
<br />GENERAL NOTES:
<br />1. THESE PLANS AND SPECIFICATIONS ARE NOT VALID FOR ANY OTHER THAN WELCOME
<br />RAMP SYSTEMS, INC. PRODUCT PRODUCED THE STANDARDS SET FORTH IN THESE
<br />DRAWINGS AND ACCOMPANYING DESIGN.
<br />2. THE RAMP SYSTEM, STAIRS AND PLATFORM HAVE BEEN DESIGNED TO MEET IBC
<br />REQUIREMENTS. THE DESIGN LOADING CRITERIA IS 100 PSF LIVE LOAD.
<br />3. RAMP DESIGN LIMITS: THE SLOPE SHALL BE 1:12. THE MAXIMUM CROSS SLOPE SHALL
<br />BE 2%. THE MAXIMUM RUN SHALL BE 30'. THE MAXIMUM HEIGHT WITHOUT ADDITIONAL
<br />ENGINEERING JUSTIFICATION SHALL BE 48" FROM THE PLATFORM TO FINISHED GRADE.
<br />4. WELCOME RAMPS, PLATFORMS, AND STAIRS ARE DESIGNED TO BE FREE STANDING.
<br />MATERIAL SPECIFICATIONS
<br />PLANKING:
<br />® THIS DESIGN IS LIMITED TO GS 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
<br />LENGTH.
<br />® 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 .120" 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
<br />PLATED
<br />ALUMINUM:
<br />® THE 1-1/2" AL. HANDRAIL SHALL BE 6063-T5 WITH A YIELD STRESS OF 16 KSL
<br />® ALL OTHER ALUMINUM PARTS SHALL BE 6061-T6 ALUMINUM WITH A YIELD STRESS OF
<br />35 KSI.
<br />HAND RAILS:
<br />® STAIRS AND RAMPS: USE 1-1/2" SQ. X 5/32" THICK WALLED TUBING FOR POSTS AND
<br />HORIZONTAL RAILS EXCEPT THE TOP 1-1/2" ROUND HAND RAIL.
<br />® STANDARD HANDRAIL (W/0 PICKETS) IS ALLOWED ON FINISHED PLATFORM HEIGHTS OF
<br />30" AND LESS. ALL PLATFORM HEIGHTS ABOVE 30" SHALL USE PICKET STYLE
<br />HANDRAILS.
<br />® PLATFORM: USE 1-1/2 SQ. X 5/32" THICK WALLED TUBING FOR POSTS AND ALL
<br />HORIZONTAL RAILS.
<br />• HEIGHT: TOP OF GRIPPING SURFACES OF HANDRAILS SHALL BE 36 INCHES VERTICALLY
<br />ABOVE WALKING SURFACES.
<br />WELDING:
<br />® ALL REFERENCES TO WELDING ON PLAN SET REFER TO IN -PLANT FABRICATION. NO
<br />ON -SITE WELDING IS REQUIRED.
<br />® FABRICATION PLANT WELDING BY WELDERS CERTIFIED BY A THIRD PARTY INSPECTOR AND
<br />IN ACCORDANCE WITH ANSI/AWS D1.2 CODE.
<br />® WELD SIZES ARE EQUAL OR LARGER THAN THE ELEMENT BEING WELDED.
<br />® WELDING IS ALL AROUND UNLESS OTHERWISE NOTED. CARE IS TAKEN TO AVOID EXCESS
<br />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 GRADE 5 ZINC PLATED, UNLESS OTHERWISE SPECIFIED. PROVIDE
<br />LOCKING WASHERS UNDER ALL NUTS AND ANCHOR BOLTS UNLESS OTHERWISE
<br />SPECIFIED.
<br />• HIGH STRENGTH BOLTS ARE DESIGNED AT LESS THAN 50% CAPACITY FOR ADDITIONAL
<br />FACTOR OF SAFETY AND DO NOT REQUIRE SPECIAL INSPECTION.
<br />TECH SCREWS:
<br />® ZINC PLATED #10x141", SELF TAPPING.
<br />(3) 1 /2" 0 BOLTS
<br />EQUALLY SPACED THRU-
<br />1/4" X 7" STAIR END
<br />ALUMINUM PLATE
<br />INTOPLATFORM.
<br />PLATFORM
<br />HEIGHT VARIES
<br />16 GA. X
<br />47-15/16"
<br />FLAT GALV.
<br />STEEL, TYP.
<br />1 /4" x 8" ALUM.
<br />PLATE CARRIAGE
<br />SEE DETAIL 5
<br />LEVELING FOOT
<br />42" VERTICAL PICKET GUARDRAIL
<br />w/BALLASTS TO PREVENT A 4"
<br />SPHERE FROM PASSING THROUGH
<br />WHEN OVER 30" ELEVATION, BOTH
<br />SIDES OF STAIR.
<br />r
<br />1 /4" MARGIN, TYP.
<br />1-1/2" AL. ANGLE,
<br />3/16" THICK STAIR
<br />TREAD STIFFENER
<br />USIAIL 4 - STAIR HAND RAIL '/ "`" '""""
<br />SCALE: 1/2"=1' 3/16" THICK STAIR
<br />TREAD STIFFENER
<br />0
<br />Y4" NOSING RADIUS,
<br />TOP & BOTTOM
<br />(4) 3/8 BOLTS, TYP. PER
<br />TREAD
<br />3,4, OR 5 AL. TREADS PER
<br />STAIR.
<br />11" RUN
<br />1 AL. STAIR
<br />PLANK,
<br />2"x12"x48
<br />T 7" RISE
<br />DETAIL 2 - STAIRWAY ELEVATION
<br />SCALE: 1 /2"=1 '
<br />NOTE:
<br />STAIR TO MEET ANSI ICC Al 17.1-2009
<br />SECTION 504 AND IBC 2012 SECTION 1009
<br />12"
<br />0'-1 1 /2"
<br />HANDRAIL
<br />CONNECTION,
<br />DETAIL 6
<br />4�"LONG X 1-3/4"
<br />X 1-3/4" X 0,25"
<br />AL. ANGLE WITH (2)
<br />3/8" TACK SCREWS
<br />INTO POST. WELD
<br />HANDRAIL TO ANGLE
<br />DETAIL 3 ALL AROUND.
<br />HANDHOLD
<br />SCALE: 1 /2"=1 '
<br />1��
<br />U) 1 >,
<br />ER
<br />3/4"
<br />THREADED
<br />ADJUSTMENT
<br />4" SQ. TYP.
<br />DETAIL 5
<br />LEVELING FOOT
<br />SCALE: 3 AI' II Y `� �� ,,,T ;I
<br />r�
<br />REVIEW D FOR I�'R HT
<br />I.A 5.....4x'4.,.£
<br />
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