DRAWINGS_Ramp,_Steps,_Deck_Drawings_Rev2.pdf

MODULAR

BUILDING

12'-0" x 60'-0"

MODULAR BUILDING

24'-0" x 40'-0"

P55

P56 P56 P56 P56P56P56P56P56P56P56

P36

P36

P36

P55

P55

R410R48

P46P46

P55

MODULAR BUILDING

8'-0" x 20'-0"

P36

P55 P55 P55

P55 P55 P55 P55

P55 P55 P55 P55

P55 P55 P55 P55

P55 P55 P55 P55

P55 P55 P55 P55

P55 P55 P55 P55

P55 P55 P55 P55

P36

MODULAR BUILDING

120'-0" x 36'-0"

P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56 P56

P55R410R410R410

P55 P55

MODULAR BUILDING

24'-0" x 40'-0"

R410 R410

P45 P45

P55 P55

ALTERATION OF THIS DOCUMENT SHALL INVALIDATE THE

PROFESSIONAL SEAL AND SIGNATURE. PUBLICATION OF THIS

DOCUMENT DOES NOT DEROGATE FROM RESERVED OWNERSHIP

RIGHTS IN IT. THIS DOCUMENT IS FOR USE ONLY FOR THE PROJECT

IDENTIFIED IN THE TITLE BLOCK AND IS NOT TO BE USED FOR

REPAIR, REMODEL OR ADDITION TO THAT PROJECT OR FOR ANY

OTHER PROJECT.

NOTICE:

ALTERATION OF THIS DOCUMENT SHALL INVALIDATE THE

PROFESSIONAL SEAL AND SIGNATURE. PUBLICATION OF THIS

DOCUMENT DOES NOT DEROGATE FROM RESERVED OWNERSHIP

RIGHTS IN IT. THIS DOCUMENT IS FOR USE ONLY FOR THE PROJECT

IDENTIFIED IN THE TITLE BLOCK AND IS NOT TO BE USED FOR

REPAIR, REMODEL OR ADDITION TO THAT PROJECT OR FOR ANY

OTHER PROJECT.

NOTICE:

2215 North 30th Street, Suite 300, Tacoma, WA 98403 253.383.2422TEL www.ahbl.comWEB

TACOMA SEATTLE SPOKANE TRI-CITIES

253.383.2572 FAX

Issue Date

PERMIT SET

2230866.20

3902 B St NW Ste B, Auburn, WA 98001

WELCOME RAMP SYSTEMS INC.

CITY OF WEST

SACRAMENTO

CORPORATION YARD

TEMPORARY MODULAR

BUILDINGS

DATE: December 6, 2023 FILENAME: Q:\2023\2230866\20_STR\CAD\_2230866S-100.dwg

MODULAR BUILDING

PLANS

S1.1

LANDINGS: PLATFORM UNITS CAN BE BOLTED TOGETHER FOR LARGER PLATFORMS

RAMPS: 48" WIDE UNITS CAN BE BOLTED TOGETHER TO FORM A MAXIMUM 30' RAMP RUN

STAIRS: MAX. 6" - 7" RISE x 12" TREAD x 48" WIDE

NOTE: WHERE DOOR CLEARANCE ALLOWS, STAIRS CAN BE ADDED TO ANY/ALL OF THE CONFIGURATIONS SHOWN BELOW.

TYPICAL COMPONENT SIZES

ALUMINUM MODULAR RAMP AND STAIR SYSTEM CONFIGURATION OPTIONS

1. IBC 2021, CHAPTER 10 COMPLIANT

2. RAMP SLOPE, MAX RISE = 1:12 (VERT / HORIZ)

3. CROSS SLOPE, MAX = 2%

4. STAIR RISE = 7" MAX, 4" MIN

5. DESIGN LOADING:

5.1 DECK / RAMP 100 PSF

5.2 STAIR TREAD 300 LBS/TREAD

5.3 RAILING 50 PLF / 200 LBS CONC

5.4 LATERAL LOAD 600# PEDESTRIAN DYNAMIC

LOADING PER 30-FT RAMP

5.5 WIND LOAD 100 MPH, EXP B, KzT=1.0

5.6 SEISMIC LOAD Sds=.544, SEISMIC CAT 'D'

6. DOOR CLEARANCE AS REQUIRED BY IBC

7. STANDARD 3 LINE RAIL, FOR COMPONENTS 30" OR LESS

FROM GRADE TO WALKING SURFACE OF RAMP, LANDING

OR STAIR.

8. 42" VERTICAL PICKET GUARDRAIL FOR COMPONENTS

OVER 30" ]FROM GRADE TO WALKING SURFACE OF

RAMP, LANDING, OR STAIR.

9. GRASPABLE CONTINUOUS HANDRAIL AT 36" OFF RAMP,

PLATFORM, OR STAIR NOSING, INSTALL BOTH SIDES OF

STAIRS AND RAMP.

10. HANDRAILS TO EXTEND 12" HORIZONTALLY OVER

WALKING SURFACE AND RETURN TO WALL OR RAIL

COLUMN.

11. RAMP AND RAILINGS TO HAVE CURBS WHICH DO NOT

ALLOW PASSAGE OF 4" SPHERE WHERE ORIGINAL

POSITION OF SPHERE IS WITHIN 4" OF THE WALKING

SURFACE.

12. FOOTING INFORMATION:

12" x 12" PRE-MANUFACTURED ABS PAD REQUIRED

UNER ALL ADJUSTABLE LEGS.

CODE COMPLIANCE GENERAL NOTES

1. THESE PLANS AND SPECIFICATIONS ARE NOT VALID FOR ANY OTHER ASSEMBLY

THAN PRODUCTS PRODUCED BY WELCOME RAMP SYSTEMS, INC. PRODUCTS

PRODUCED THE STANDARDS SET FORTH IN THESE DRAWINGS AND ACCOMPANYING

DESIGN.

2. THE RAMP SYSTEM, STAIRS AND PLATFORM HAVE BEEN DESIGNED TO MEET IBC

3. RAMP DESIGN LIMITS: THE SLOPE SHALL BE 1:12 THE MAXIMUM CROSS SLOPE SHALL

BE LESS THAN 2%. THE MAXIMUM RUN SHALL BE 30'. THE MAXIMUM HEIGHT

WITHOUT ADDITIONAL ENGINEERING JUSTIFICATION SHALL BE 48" FROM THE

PLATFORM TO FINISHED GRADE.

4. WELCOME RAMPS, PLATFORMS, AND STAIRS ARE DESIGNED TO BE FREE STANDING.

5. DETAILS SHOW MOST USED HEIGHTS, OTHER HEIGHTS ARE SIMILAR.

MATERIAL SPECIFICATIONS

PLANKING:

THIS DESIGN IS LIMITED TO GALVANIZED METAL PLANKING MATERIALS.

RAMP: ALL PLANKING SHALL BE 13 GA 12" W x 1 1/2" DEEP.

PLATFORM: ALL PLANKING SHALL BE 13 GA 12" W x 1 1/2" D. SEE PLAN FOR LENGTH.

STAIRS: ALL PLANKING SHALL BE 11 GA 12" W x 2" DEEP.

LEGS:

LEVELING FEET ASSUMED TO BE PLACED ON SUITABLE FIRM BEARING GROUND.

LEG POCKETS SHALL BE 1.781" SQ x .125" AL. TUBING.

ADJUSTING BOLT - 3/8" x 2 1/4" GRADE 5 CAP SCREW W/ NYLON LOCK NUT, ZINC

PLATED.

ALUMINUM:

THE OTHER 1 1/2" AL. HANDRAIL SHALL BE 6063-T5 WITH A YIELD STRESS OF 16 KSI.

ALL OTHER ALUMINUM PARTS SHALL BE 6061-T6 ALUMINUM WITH A YIELD STRESS OF

35 KSI.

HAND RAILS:

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" ROUND HAND RAIL.

STANDARD HANDRAIL (W/O PICKETS) IS ALLOWED ON FINISHED PLATFORM HEIGHTS

OF 30" AND LESS. ALL PLATFORM HEIGHTS ABOVE 30" SHALL USE PICKET STYLE

HANDRAILS.

PLATFORM: USE 1 1/2" SQ x 5/32" THICK WALLED TUBING FOR POSTS AND ALL

HORIZONTAL RAILS.

HEIGHT: TOP OF GRIPPING SURFACES OF HANDRAIL SHALL BE 36 INCHES

VERTICALLY ABOVE WALKING SURFACES.

WELDING:

ALL REFERENCES TO WELDING ON PLAN SET REFER TO IN-PLANT FABRICATION. NO

ON-SITE WELDING IS RTEQUIRED.

FABRICATION PLANT WELDING BY WELDERS CERTIFIED BY A THIRD PARTY

INSPECTOR AND IN ACCORDANCE WITH ANSI / AWS D1.2 CODE.

WELD SIZES ARE EQUAL OR LARGER THAN THE ELEMENT BEING WELDED.

WELDING IS ALL AROUND UNLESS OTHERWISE NOTED. CARE IS TAKEN TO AVOID

EXCESS WARPING OF WELDED ELEMENTS.

FABRICATOR TO CERTIFY ASSEMBLED PART ARE PER THE DRAWINGS PER IBC

1704.2.2.

BOLTS:

ALL BOLTS SHALL BE GRADE 5 ZINC PLATED, UNLESS OTHERWISE SPECIFIED.

PROVIDE LOCKING WASHERS UNDER ALL NUTS AND ANCHOR BOLTS UNLESS

OTHERWISE SPECIFIED.

HIGH STRENGTH BOLTS ARE DESIGNED AT LESS THAN 50% CAPACITY FOR

ADDITIONAL FACTOR OF SAFETY AND DO NOT REQUIRE SPECIAL INSPECTION.

TECH SCREWS:

ZINC PLATED #10 x 1 1/4", SELF TAPPING.

W elcome R amp S ystems, Inc.

Component Aluminum Ramp System for Safe, User-Friendly Building Access.

www.welcomerampsystems.com

MODULAR BUILDING PLAN

1/8" = 1'-0" 16840

SCALE IN FEET

City of West Sacramento Capital Projects Department THIS REVIEW IS ONLY FOR GENERAL CONFORMANCE WITH THE DESIGN CONCEPT AND CONTRACT DOCUMENTS. THE CONTRACTOR SHALL REMAIN RESPONSIBLE FOR ALL DETAILS, ACCURACY, AND SATISFACTORY PERFORMANCE OF THE WORK.

Status: No Exceptions Taken By: Inambao Lifanu Dec 13, 2023 10:25 AM

2 / 4 inambaol Polygon inambaol Rectangle inambaol Rectangle inambaol Rectangle inambaol Rectangle inambaol Rectangle inambaol Rectangle inambaol Rectangle inambaol Text Box

MOD 3

inambaol Text Box

MOD 4

inambaol Highlight inambaol Highlight inambaol Highlight inambaol Highlight inambaol Highlight inambaol Rectangle inambaol Rectangle inambaol Rectangle

P56

MODULAR BUILDING

36'-0" x 60'-0"

P56 P56 P56 P56 P56 P56

P55R410R410R410

P55

MODULAR BUILDING

36'-0" x 60'-0"

P55

P55

P55

P55

P55

P55

P55

P55

P55

R410

R410

R410

ALTERATION OF THIS DOCUMENT SHALL INVALIDATE THE

PROFESSIONAL SEAL AND SIGNATURE. PUBLICATION OF THIS

DOCUMENT DOES NOT DEROGATE FROM RESERVED OWNERSHIP

RIGHTS IN IT. THIS DOCUMENT IS FOR USE ONLY FOR THE PROJECT

IDENTIFIED IN THE TITLE BLOCK AND IS NOT TO BE USED FOR

REPAIR, REMODEL OR ADDITION TO THAT PROJECT OR FOR ANY

OTHER PROJECT.

NOTICE:

ALTERATION OF THIS DOCUMENT SHALL INVALIDATE THE

PROFESSIONAL SEAL AND SIGNATURE. PUBLICATION OF THIS

DOCUMENT DOES NOT DEROGATE FROM RESERVED OWNERSHIP

RIGHTS IN IT. THIS DOCUMENT IS FOR USE ONLY FOR THE PROJECT

IDENTIFIED IN THE TITLE BLOCK AND IS NOT TO BE USED FOR

REPAIR, REMODEL OR ADDITION TO THAT PROJECT OR FOR ANY

OTHER PROJECT.

NOTICE:

2215 North 30th Street, Suite 300, Tacoma, WA 98403 253.383.2422TEL www.ahbl.comWEB

TACOMA SEATTLE SPOKANE TRI-CITIES

253.383.2572 FAX

Issue Date

PERMIT SET

2230866.20

3902 B St NW Ste B, Auburn, WA 98001

WELCOME RAMP SYSTEMS INC.

CITY OF WEST

SACRAMENTO

CORPORATION YARD

TEMPORARY MODULAR

BUILDINGS

DATE: December 6, 2023 FILENAME: Q:\2023\2230866\20_STR\CAD\_2230866S-100.dwg

MODULAR

BUILDING PLANS

S1.2

LANDINGS: PLATFORM UNITS CAN BE BOLTED TOGETHER FOR LARGER PLATFORMS

RAMPS: 48" WIDE UNITS CAN BE BOLTED TOGETHER TO FORM A MAXIMUM 30' RAMP RUN

STAIRS: MAX. 6" - 7" RISE x 12" TREAD x 48" WIDE

NOTE: WHERE DOOR CLEARANCE ALLOWS, STAIRS CAN BE ADDED TO ANY/ALL OF THE CONFIGURATIONS SHOWN BELOW.

TYPICAL COMPONENT SIZES

ALUMINUM MODULAR RAMP AND STAIR SYSTEM CONFIGURATION OPTIONS

1. IBC 2021, CHAPTER 10 COMPLIANT

2. RAMP SLOPE, MAX RISE = 1:12 (VERT / HORIZ)

3. CROSS SLOPE, MAX = 2%

4. STAIR RISE = 7" MAX, 4" MIN

5. DESIGN LOADING:

5.1 DECK / RAMP 100 PSF

5.2 STAIR TREAD 300 LBS/TREAD

5.3 RAILING 50 PLF / 200 LBS CONC

5.4 LATERAL LOAD 600# PEDESTRIAN DYNAMIC

LOADING PER 30-FT RAMP

5.5 WIND LOAD 100 MPH, EXP B, KzT=1.0

5.6 SEISMIC LOAD Sds=.544, SEISMIC CAT 'D'

6. DOOR CLEARANCE AS REQUIRED BY IBC

7. STANDARD 3 LINE RAIL, FOR COMPONENTS 30" OR LESS

FROM GRADE TO WALKING SURFACE OF RAMP, LANDING

OR STAIR.

8. 42" VERTICAL PICKET GUARDRAIL FOR COMPONENTS

OVER 30" ]FROM GRADE TO WALKING SURFACE OF

RAMP, LANDING, OR STAIR.

9. GRASPABLE CONTINUOUS HANDRAIL AT 36" OFF RAMP,

PLATFORM, OR STAIR NOSING, INSTALL BOTH SIDES OF

STAIRS AND RAMP.

10. HANDRAILS TO EXTEND 12" HORIZONTALLY OVER

WALKING SURFACE AND RETURN TO WALL OR RAIL

COLUMN.

11. RAMP AND RAILINGS TO HAVE CURBS WHICH DO NOT

ALLOW PASSAGE OF 4" SPHERE WHERE ORIGINAL

POSITION OF SPHERE IS WITHIN 4" OF THE WALKING

SURFACE.

12. FOOTING INFORMATION:

12" x 12" PRE-MANUFACTURED ABS PAD REQUIRED

UNER ALL ADJUSTABLE LEGS.

CODE COMPLIANCE GENERAL NOTES

1. THESE PLANS AND SPECIFICATIONS ARE NOT VALID FOR ANY OTHER ASSEMBLY

THAN PRODUCTS PRODUCED BY WELCOME RAMP SYSTEMS, INC. PRODUCTS

PRODUCED THE STANDARDS SET FORTH IN THESE DRAWINGS AND ACCOMPANYING

DESIGN.

2. THE RAMP SYSTEM, STAIRS AND PLATFORM HAVE BEEN DESIGNED TO MEET IBC

3. RAMP DESIGN LIMITS: THE SLOPE SHALL BE 1:12 THE MAXIMUM CROSS SLOPE SHALL

BE LESS THAN 2%. THE MAXIMUM RUN SHALL BE 30'. THE MAXIMUM HEIGHT

WITHOUT ADDITIONAL ENGINEERING JUSTIFICATION SHALL BE 48" FROM THE

PLATFORM TO FINISHED GRADE.

4. WELCOME RAMPS, PLATFORMS, AND STAIRS ARE DESIGNED TO BE FREE STANDING.

5. DETAILS SHOW MOST USED HEIGHTS, OTHER HEIGHTS ARE SIMILAR.

MATERIAL SPECIFICATIONS

PLANKING:

THIS DESIGN IS LIMITED TO GALVANIZED METAL PLANKING MATERIALS.

RAMP: ALL PLANKING SHALL BE 13 GA 12" W x 1 1/2" DEEP.

PLATFORM: ALL PLANKING SHALL BE 13 GA 12" W x 1 1/2" D. SEE PLAN FOR LENGTH.

STAIRS: ALL PLANKING SHALL BE 11 GA 12" W x 2" DEEP.

LEGS:

LEVELING FEET ASSUMED TO BE PLACED ON SUITABLE FIRM BEARING GROUND.

LEG POCKETS SHALL BE 1.781" SQ x .125" AL. TUBING.

ADJUSTING BOLT - 3/8" x 2 1/4" GRADE 5 CAP SCREW W/ NYLON LOCK NUT, ZINC

PLATED.

ALUMINUM:

THE OTHER 1 1/2" AL. HANDRAIL SHALL BE 6063-T5 WITH A YIELD STRESS OF 16 KSI.

ALL OTHER ALUMINUM PARTS SHALL BE 6061-T6 ALUMINUM WITH A YIELD STRESS OF

35 KSI.

HAND RAILS:

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" ROUND HAND RAIL.

STANDARD HANDRAIL (W/O PICKETS) IS ALLOWED ON FINISHED PLATFORM HEIGHTS

OF 30" AND LESS. ALL PLATFORM HEIGHTS ABOVE 30" SHALL USE PICKET STYLE

HANDRAILS.

PLATFORM: USE 1 1/2" SQ x 5/32" THICK WALLED TUBING FOR POSTS AND ALL

HORIZONTAL RAILS.

HEIGHT: TOP OF GRIPPING SURFACES OF HANDRAIL SHALL BE 36 INCHES

VERTICALLY ABOVE WALKING SURFACES.

WELDING:

ALL REFERENCES TO WELDING ON PLAN SET REFER TO IN-PLANT FABRICATION. NO

ON-SITE WELDING IS RTEQUIRED.

FABRICATION PLANT WELDING BY WELDERS CERTIFIED BY A THIRD PARTY

INSPECTOR AND IN ACCORDANCE WITH ANSI / AWS D1.2 CODE.

WELD SIZES ARE EQUAL OR LARGER THAN THE ELEMENT BEING WELDED.

WELDING IS ALL AROUND UNLESS OTHERWISE NOTED. CARE IS TAKEN TO AVOID

EXCESS WARPING OF WELDED ELEMENTS.

FABRICATOR TO CERTIFY ASSEMBLED PART ARE PER THE DRAWINGS PER IBC

1704.2.2.

BOLTS:

ALL BOLTS SHALL BE GRADE 5 ZINC PLATED, UNLESS OTHERWISE SPECIFIED.

PROVIDE LOCKING WASHERS UNDER ALL NUTS AND ANCHOR BOLTS UNLESS

OTHERWISE SPECIFIED.

HIGH STRENGTH BOLTS ARE DESIGNED AT LESS THAN 50% CAPACITY FOR

ADDITIONAL FACTOR OF SAFETY AND DO NOT REQUIRE SPECIAL INSPECTION.

TECH SCREWS:

ZINC PLATED #10 x 1 1/4", SELF TAPPING.

W elcome R amp S ystems, Inc.

Component Aluminum Ramp System for Safe, User-Friendly Building Access.

www.welcomerampsystems.com

MODULAR BUILDING PLAN

1/8" = 1'-0" 16840

SCALE IN FEET

City of West Sacramento Capital Projects Department THIS REVIEW IS ONLY FOR GENERAL CONFORMANCE WITH THE DESIGN CONCEPT AND CONTRACT DOCUMENTS. THE CONTRACTOR SHALL REMAIN RESPONSIBLE FOR ALL DETAILS, ACCURACY, AND SATISFACTORY PERFORMANCE OF THE WORK.

Status: No Exceptions Taken By: Inambao Lifanu Dec 13, 2023 10:25 AM

3 / 4 inambaol Rectangle inambaol Rectangle inambaol Rectangle inambaol Rectangle inambaol Rectangle

4"

4" SQ. TYP.

1.781"

2"

VA

RI

ES

2"

12"

1'- 0"

3'- 0"

1'- 0"

23"

HA

N

23"

" O

R

LE

SS

11"

1/4 "1

/4"

1/2"

21 4" 1 4"

11 8" 4"

4"

4"

2" 1 4" 11 2"

4"

4"

4" -7

RI

SE

11" RUN

1"

7" RI

SE

9"

3 1/2"

3 1 /2"

" G

UA

RD

RA

IL

TO

W

AL

KI

NG

S

UR

FA

CE

3 1 /2"

8' OR 10' LENGTH OF RAMP SECTION

7" MI

N

4'-11" FOR 10' RAMP SECTION

3'-11" FOR 8' RAMP SECTION

3 1 /2"

" H

AN

DR

AI

L T

O W

AL

KI

NG

S

UR

FA

CE

1'-4" 1'-5"

3 1/2"

5 3/4"

2 3/4"

4x4x1/4 PIER BASE W/

(2) 5/16" DIA HOLES AT

CORNERS

1 1/2" x 1 1/2" .120" SQ TUBE CROSS MEMBER

IN MIDDLE OF EA RAMP SECTION. WELD TO

LEG POCKETS AND BOTTOM OF EXTRUDED

L-BAR SHAPE.

NOTE: USE THIS RAILING FOR

TOTAL PLATFORM HEIGHT

GREATER THAN 30-INCHES

WELD EXTRUDED T-BAR SHAPE ON ENDS OF EACH

RAMP SECTION AND LEG SLEEVES - DETAIL E

USE (3) (GRADE 5) 1/2" EQUAL SPACED BOLTS WHEN

JOINING RAMP SECTIONS TOGETHER.

12" x 12" BEARING PAD UNDER POST

W/ (1) SDS25112 THRU (1) OF (2)

HOLES IN POST FOOT TO PAD

(2) 1/2" BOLTS, SPACE 2 APART ON CENTER,

TYP OF ALL HANDRAIL ANCHOR.

SEE SECTION C

1 1/2" x 1 1/2" x .125 AL

ANGLE HOLD DOWN FOR

TREAD. BOLT AT MIDDLE

AND ON ENDS THRU

L-SHAPE, 7/16" GRADE 5

BOLTS

1 : 12 = SLOPE, TYP

DETAIL 3

3/8" DIA GRADE 5 ZINC

HHS 1 1/2" x 1 1/2"

HANDRAIL BOTH

SIDE OF RAMP

PICKET SUPPORT RAIL

3 HOLES PER SUPPORT, TYP

SEE DETAIL 6 FOR

CONNECTION DETAIL

SEE DETAIL 3 FOR

HANDHOLD

3" x 1 1/2" x .125 AL PLATE

W/ TECH SCREWS FOR

ALIGNMENT

TYPICAL ELEVATION (INSTALLED WITH GUARDRAIL)

1/2" = 1'-0"

EB

TYPICAL ELEVATION (WITH STANDARD RAIL)

1/2" = 1'-0"

EA

SEE SECTION C

SEE DETAIL 5

NOTE: USE THIS RAILING FOR

30-INCH OR LOWER TOTAL

PLATFORM HEIGHT

OPTIONAL ADDITIONAL

5' x 5' PLATFORM / S

"S" BRACKET W/ TECH

SCREWS

1 1/2" SQ TUBE, 1/8"

THICKNESS, 6063 T6

B

HANDRAIL BOTH SIDE

OF RAMP

(3) 1/2" DIA BOLTS EQUALLY SPACED THRU

RAMP END ALUMINUM PLATE INTO PLATFORMDETAIL 6

DETAIL 3

1 1/2" DIA (TYP)

HHS 1/2" x 1/2" (TYP)

(3) 1/2" DIA BOLTS EQUALLY

SPACED THRU PLATFORM

EDGE ALUMINUM T's

3" x 1 1/2" x .125 AL

PLATE W/ TECH

SCREWS FOR

ALIGNMENT

1 1/2" x 1 1/2" x 1/8" FILLER

ANGLE. PLACE ENDS UNDER

TREAD HOLDOWN ANGLE TO

SECURE IN PLACE

T-SHAPE

EXTRUSION

END PLATE

T-SHAPE EXTRUSION

END PLATE

SECTION A RAMP

CONNECTION

SCALE 3" = 1'

(2) 3/8" DIA x 4" LAG BOLT, GALVANIZED

OR SDS300 AT EACH PLATFORM

SECTION ADJACENT BUILDING

TRACTION

TREAD

PLANK

SECTION D PLATFORM

SUPPORT RAIL AND

CONNECTION TO BUILDING

SCALE 3" = 1'

TRACTION

TREAD

PLANK

SECTION B RAMP

SUPPORT RAIL

SCALE 3" = 1' NOSING DETAIL

AL. VERT HAND RAIL 1

1/2" x 1 1/2" x .135 SQ

1/4" x 2" AL. FLAT BAR THAT

CONNECTS RAMP STRINGERS

12" LONG 1 1/8" x 1 1/8" x .125"

SQ TUBE INSERT. WELD TO

4" x 4" x 1/4" AL. BASE PLATE 1/4" x 2" AL. FLAT BAR THAT

CONNECTS RAMP STRINGERS

PLATFORM

INSTALL BOLT WITH

1" MIN CLEAR IN

STRINGER PLATE

AROUND HOLE (TYP)

2" x 2" x 3/16" RECEIVER

TUBE 5" LONG (TYP)

STAIR PLANK

2" x 12" x 51"

1/4" MARGIN,

TYP

1 1/2" AL. ANGLE, 3/16"

THICK STAIR TREAD

STIFFENNER

SECTION C RAMP RAMP

END TRANSITION END LEG

SCALE 3" = 1'

DETAIL 4 - STAIR HAND RAIL

SCALE 1/2" = 1'

HANDRAIL BOTH

SIDE OF STAIR

DETAIL 1 - STAIR HAND RAIL

SCALE 1/2" = 1'

1 1/2" AL. ANGLE

3/16" THICK STAIR

TREAD STIFFENER

1/4" MARGIN, TYP

STAIR PLANK,

2" x 12" x 48"

42" VERTICAL PICKET GUARDRAIL W/

BALLASTS TO PREVENT A 4" SPHERE

FROM PASSING THROUGH WHEN

OVER 30" ELEVATION, BOTH SIDES OF

STAIR.

PLATFORM

INSTALL BOLT WITH

1" MIN CLEAR IN

STRINGER PLATE

AROUND HOLE (TYP)

2" x 2" x 3/16"

RECEIVER TUBE 5"

LONG (TYP)

3/4" THREADED

ADJUSTMENT

4" LONG x 1 3/4" x 1 3/4" x 0.25" AL. ANGLE WITH

(2) 3/8" TACK SCREWS

INTO POST. WELD

HANDRAIL TO ANGLE

ALL AROUND.

HANDRAIL

CONNECTION, DETAIL 6

DETAIL 3 - HANDHOLD

SCALE 1/2" = 1'

DETAIL 5

LEVELING FOOT

SCALE 3" = 1'

DETAIL 6

HANDRAIL CONNECTION

SCALE 3" = 1'

SPEEDRAIL 4"

HANDRAIL TIE

STAIRWAY ELEVATION

1/2" = 1'-0"

1/4" NOSING RADIUS,

TOP AND BOTTOM

(4) 3/8" BOLTS, TYP

PER TREAD

TREADS PER STAIR PLAN

(3) 1/2" DIA BOLTS EQUALLY

SPACED THRU 1/4" x 7" STAIR

END ALUMINUM PLATE INTO

PLATFORM

PLATFORM HEIGHT

VARIES

16 GA x 47 15/16" FLAT

GALV STEEL, TYP.

1/4" x 8" ALUMN. PLATE

CARRIAGE

SEE DETAIL 5 LEVELING

FOOT

AL. STAIR

PLANK, 2" x 12" x 51"

B

B

ALTERATION OF THIS DOCUMENT SHALL INVALIDATE THE

PROFESSIONAL SEAL AND SIGNATURE. PUBLICATION OF THIS

DOCUMENT DOES NOT DEROGATE FROM RESERVED OWNERSHIP

RIGHTS IN IT. THIS DOCUMENT IS FOR USE ONLY FOR THE PROJECT

IDENTIFIED IN THE TITLE BLOCK AND IS NOT TO BE USED FOR

REPAIR, REMODEL OR ADDITION TO THAT PROJECT OR FOR ANY

OTHER PROJECT.

NOTICE:

ALTERATION OF THIS DOCUMENT SHALL INVALIDATE THE

PROFESSIONAL SEAL AND SIGNATURE. PUBLICATION OF THIS

DOCUMENT DOES NOT DEROGATE FROM RESERVED OWNERSHIP

RIGHTS IN IT. THIS DOCUMENT IS FOR USE ONLY FOR THE PROJECT

IDENTIFIED IN THE TITLE BLOCK AND IS NOT TO BE USED FOR

REPAIR, REMODEL OR ADDITION TO THAT PROJECT OR FOR ANY

OTHER PROJECT.

NOTICE:

2215 North 30th Street, Suite 300, Tacoma, WA 98403 253.383.2422TEL www.ahbl.comWEB

TACOMA SEATTLE SPOKANE TRI-CITIES

Know what's below.

before you dig.Call

R

253.383.2572 FAX

Issue Date

PERMIT SET

2230866.20

3902 B St NW Ste B, Auburn, WA 98001

WELCOME RAMP SYSTEMS INC.

CITY OF WEST

SACRAMENTO

CORPORATION YARD

TEMPORARY MODULAR

BUILDINGS

LANDINGS: PLATFORM UNITS CAN BE BOLTED TOGETHER FOR LARGER PLATFORMS

RAMPS: 48" WIDE UNITS CAN BE BOLTED TOGETHER TO FORM A MAXIMUM 30' RAMP RUN

STAIRS: MAX. 6" - 7" RISE x 12" TREAD x 48" WIDE

NOTE: WHERE DOOR CLEARANCE ALLOWS, STAIRS CAN BE ADDED TO ANY/ALL OF THE CONFIGURATIONS SHOWN BELOW.

TYPICAL COMPONENT SIZES

ALUMINUM MODULAR RAMP AND STAIR SYSTEM CONFIGURATION OPTIONS

1. IBC 2021, CHAPTER 10 COMPLIANT

2. RAMP SLOPE, MAX RISE = 1:12 (VERT / HORIZ)

3. CROSS SLOPE, MAX = 2%

4. STAIR RISE = 7" MAX, 4" MIN

5. DESIGN LOADING:

5.1 DECK / RAMP 100 PSF

5.2 STAIR TREAD 300 LBS/TREAD

5.3 RAILING 50 PLF / 200 LBS CONC

5.4 LATERAL LOAD 600# PEDESTRIAN DYNAMIC

LOADING PER 30-FT RAMP

5.5 WIND LOAD 100 MPH, EXP B, KzT=1.0

5.6 SEISMIC LOAD Sds=.544, SEISMIC CAT 'D'

6. DOOR CLEARANCE AS REQUIRED BY IBC

7. STANDARD 3 LINE RAIL, FOR COMPONENTS 30" OR LESS

FROM GRADE TO WALKING SURFACE OF RAMP, LANDING

OR STAIR.

8. 42" VERTICAL PICKET GUARDRAIL FOR COMPONENTS

OVER 30" ]FROM GRADE TO WALKING SURFACE OF

RAMP, LANDING, OR STAIR.

9. GRASPABLE CONTINUOUS HANDRAIL AT 36" OFF RAMP,

PLATFORM, OR STAIR NOSING, INSTALL BOTH SIDES OF

STAIRS AND RAMP.

10. HANDRAILS TO EXTEND 12" HORIZONTALLY OVER

WALKING SURFACE AND RETURN TO WALL OR RAIL

COLUMN.

11. RAMP AND RAILINGS TO HAVE CURBS WHICH DO NOT

ALLOW PASSAGE OF 4" SPHERE WHERE ORIGINAL

POSITION OF SPHERE IS WITHIN 4" OF THE WALKING

SURFACE.

12. FOOTING INFORMATION:

12" x 12" PRE-MANUFACTURED ABS PAD REQUIRED

UNER ALL ADJUSTABLE LEGS.

CODE COMPLIANCE GENERAL NOTES

1. THESE PLANS AND SPECIFICATIONS ARE NOT VALID FOR ANY OTHER ASSEMBLY

THAN PRODUCTS PRODUCED BY WELCOME RAMP SYSTEMS, INC. PRODUCTS

PRODUCED THE STANDARDS SET FORTH IN THESE DRAWINGS AND ACCOMPANYING

DESIGN.

2. THE RAMP SYSTEM, STAIRS AND PLATFORM HAVE BEEN DESIGNED TO MEET IBC

3. RAMP DESIGN LIMITS: THE SLOPE SHALL BE 1:12 THE MAXIMUM CROSS SLOPE SHALL

BE LESS THAN 2%. THE MAXIMUM RUN SHALL BE 30'. THE MAXIMUM HEIGHT

WITHOUT ADDITIONAL ENGINEERING JUSTIFICATION SHALL BE 48" FROM THE

PLATFORM TO FINISHED GRADE.

4. WELCOME RAMPS, PLATFORMS, AND STAIRS ARE DESIGNED TO BE FREE STANDING.

5. DETAILS SHOW MOST USED HEIGHTS, OTHER HEIGHTS ARE SIMILAR.

MATERIAL SPECIFICATIONS

PLANKING:

THIS DESIGN IS LIMITED TO GALVANIZED METAL PLANKING MATERIALS.

RAMP: ALL PLANKING SHALL BE 13 GA 12" W x 1 1/2" DEEP.

PLATFORM: ALL PLANKING SHALL BE 13 GA 12" W x 1 1/2" D. SEE PLAN FOR LENGTH.

STAIRS: ALL PLANKING SHALL BE 11 GA 12" W x 2" DEEP.

LEGS:

LEVELING FEET ASSUMED TO BE PLACED ON SUITABLE FIRM BEARING GROUND.

LEG POCKETS SHALL BE 1.781" SQ x .125" AL. TUBING.

ADJUSTING BOLT - 3/8" x 2 1/4" GRADE 5 CAP SCREW W/ NYLON LOCK NUT, ZINC

PLATED.

ALUMINUM:

THE OTHER 1 1/2" AL. HANDRAIL SHALL BE 6063-T5 WITH A YIELD STRESS OF 16 KSI.

ALL OTHER ALUMINUM PARTS SHALL BE 6061-T6 ALUMINUM WITH A YIELD STRESS OF

35 KSI.

HAND RAILS:

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" ROUND HAND RAIL.

STANDARD HANDRAIL (W/O PICKETS) IS ALLOWED ON FINISHED PLATFORM HEIGHTS

OF 30" AND LESS. ALL PLATFORM HEIGHTS ABOVE 30" SHALL USE PICKET STYLE

HANDRAILS.

PLATFORM: USE 1 1/2" SQ x 5/32" THICK WALLED TUBING FOR POSTS AND ALL

HORIZONTAL RAILS.

HEIGHT: TOP OF GRIPPING SURFACES OF HANDRAIL SHALL BE 36 INCHES

VERTICALLY ABOVE WALKING SURFACES.

WELDING:

ALL REFERENCES TO WELDING ON PLAN SET REFER TO IN-PLANT FABRICATION. NO

ON-SITE WELDING IS RTEQUIRED.

FABRICATION PLANT WELDING BY WELDERS CERTIFIED BY A THIRD PARTY

INSPECTOR AND IN ACCORDANCE WITH ANSI / AWS D1.2 CODE.

WELD SIZES ARE EQUAL OR LARGER THAN THE ELEMENT BEING WELDED.

WELDING IS ALL AROUND UNLESS OTHERWISE NOTED. CARE IS TAKEN TO AVOID

EXCESS WARPING OF WELDED ELEMENTS.

FABRICATOR TO CERTIFY ASSEMBLED PART ARE PER THE DRAWINGS PER IBC

1704.2.2.

BOLTS:

ALL BOLTS SHALL BE GRADE 5 ZINC PLATED, UNLESS OTHERWISE SPECIFIED.

PROVIDE LOCKING WASHERS UNDER ALL NUTS AND ANCHOR BOLTS UNLESS

OTHERWISE SPECIFIED.

HIGH STRENGTH BOLTS ARE DESIGNED AT LESS THAN 50% CAPACITY FOR

ADDITIONAL FACTOR OF SAFETY AND DO NOT REQUIRE SPECIAL INSPECTION.

TECH SCREWS:

ZINC PLATED #10 x 1 1/4", SELF TAPPING.

W elcome R amp S ystems, Inc.

Component Aluminum Ramp System for Safe, User-Friendly Building Access.

www.welcomerampsystems.com

DATE: November 13, 2023 FILENAME: Q:\2023\2230866\20_STR\CAD\_2230866S-200.dwg

DETAILS

S2.1

City of West Sacramento Capital Projects Department THIS REVIEW IS ONLY FOR GENERAL CONFORMANCE WITH THE DESIGN CONCEPT AND CONTRACT DOCUMENTS. THE CONTRACTOR SHALL REMAIN RESPONSIBLE FOR ALL DETAILS, ACCURACY, AND SATISFACTORY PERFORMANCE OF THE WORK.

Status: No Exceptions Taken By: Inambao Lifanu Dec 13, 2023 10:25 AM

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