DRAWN

K. MOURA

DATE

SCALE

3-17-09

CHECKED

SHEET

JOB NO.

85-82

OF

AS SHOWN

SHEETS

1

BY

RANCHO

CUCAMONGA

, CA

91730

(877) 782-4779

FAX

(610) 541-0890

REVISIONS

Structura

l Eng

ineering

Tit

le 24 Energy

WOOD

Engineering, In

c.

Commerc

ial &

Residential

Bu

ilding Design

10040 FOO

TH

ILL BOULEVARD

(THESE NOTES SHALL APPLY UNLESS OTHERWISE NOTED)NOTE: WHERE CODE IS SPECIFIED, IT SHALL BE THE 2007 CALIFORNIA BUILDING CODE

AND 2006 INTERNATIONAL BUILDING CODE.

1. CONTRACTOR SHALL VERIFY ALL CONDITIONS AND DIMENSIONS AT THE JOB SITE.

2. SOIL BEARING MINIMUM = 1,500 P.S.F. PER TABLE 1804.2 FOR CLAY, SANDY CLAY, SILTY CLAY,

CLAYEY SILT, SILT AND SANDY SILT PER GRADING PREINSPECTION OR SOILS REPORT.3. CONCRETE FOR NEW FOOTINGS SHALL BE STANDARD MIX, 2,500 P.S.I. AT 28 DAYS. DEPUTY INSPECTOR NOT REQUIRED.

4. STRUCTURAL STEEL PLATES AND BARS SHALL BE A.S.T.M. A-36 (OR HIGHER) YIELD STRENGTH.5. STEEL PIPE COLUMNS AND SLEEVES SHALL BE A.S.T.M. A-53 GRADE B OR ROUND H.S.S., A.S.T.M. A500 GRADE B.

6. STEEL TUBES SHALL BE A.S.T.M. A500 GRADE C. (Fy = 50 K.S.I. MIN.).7. BOLTS SHALL BE A.S.T.M. A-307. SET SCREWS SHALL BE A.S.T.M. F912.

8. FASTENERS FOR EXTERIOR EXPOSURE SHALL BE GALVANIZED FOR STEEL STAIRWAY.

9. STEEL WELDING SHALL BE PER CODE USING SHIELDED METAL ARC PROCESS WITH

E70XX ELECTRODES OR EQUAL IN AN APPROVED FABRICATOR'S SHOP.

10. ALL FABRICATION SHALL BE DONE IN THE SHOP OF A LICENSED FABRICATOR.

11. STAIRWAY SHALL BE USED FOR ONE AND TWO FAMILY DWELLING ONLY.

12. SPIRAL STAIRWAYS ARE PERMITTED TO BE USED AS A COMPONENT IN THE MEANS OF

EGRESS ONLY WITHIN DWELLING UNITS. (NOTE THAT A PRIVATE STAIRWAY IS A STAIRWAY THAT SERVES A SINGLE TENANT. A SINGLE TENANT MAY BE ONE OR MORE OCCUPANTS

IN A DWELLING)..13. PROVIDE: MINIMUM OF 26" WIDE WALKING AREA FROM OUTER EDGE OF SUPPORT COLUMN

TO INNER EDGE OF HANDRAIL, 7 1/2" MINIMUM TREAD AT A POINT 12" FROM WHERE THE

TREAD IS NARROWEST. MINIMUM 6'-6" HEAD ROOM, AND RISE NOT TO EXCEED 9 1/2". STAIR TREADS AND RISERS SHALL BE OF UNIFORM SIZE AND SHAPE. THE TOLERANCE

BETWEEN THE LARGEST AND SMALLEST RISER HEIGHT OR BETWEEN THE LARGEST AND

SMALLEST TREAD DEPTH SHALL NOT EXCEED 3/8" (0.375 INCH) IN ANY FLIGHT OF STAIRS.14. THE TOP OF GUARDRAILS SHALL BE 42" MINIMUM IN HEIGHT. OPEN GUARDRAILS SHALL

HAVE INTERMEDIATE RAILS OR AN ORNAMENTAL PATTERN SUCH THAT A 4" SPHERE

CANNOT PASS THROUGH.

15. HANDRAILS SHALL BE CONTINUOUS THE FULL LENGTH OF THE STAIRS. FOR PRIVATE

STAIRWAYS, HANDRAILS ARE NOT REQUIRED TO EXTEND 12" BEYOND THE THE TOP OR BOTTOM RISER PER CODE SECTION 1012.5.

16. LANDINGS AND LANDINGS AT DOORS SHALL COMPLY WITH CODE SECTIONS 1008.1.5 AND

1009.4.

17. REDUCED PLANS OR POOR QUALITY PRINTS (TOO DARK OR TOO LIGHT) WILL NOT BE ACCEPTABLE FOR OBTAINING A BUILDING PERMIT.

18. A PLOT PLAN AND/OR FLOOR PLAN IS REQUIRED FOR OBTAINING A BUILDING PERMIT

USING THIS PRODUCT.

19. REPRESENTATIONS OF PATTERNS AND VIEWS SHOWN ON THIS PLAN MAY NOT MATCH

CURRENT PRODUCTION.

20. ALL WORK MUST COMPLY WITH L.A. CITY PLANNING AND ZONING CODES AND LOCAL CODES.

21. STRUCTURAL OBSERVATION IS NOT REQUIRED PER C.B.C./I.B.C. SECTION 1704.2.2.

22. DESIGN LOADS:

A. LIVE LOADS:

FLOOR: 40 P.S.F. OR 300 LB. ON 4 SQ. IN. ON TREADS & 40 P.S.F. ON LANDING.

B. SPECIAL LOADS:

HANDRAIL AND GUARDRAIL: 200 LB. IN ANY DIRECTION.

INTERMEDIATE RAILS: 50 LB. ON ONE SQ.FT.

C. SNOW LOADS

Pg = 40 P.S.F. GROUND SNOW LOAD

Pf = 0.7 Ce Ct I Pg = 0.7(1.2)(1.2)(1.0)40 = 40 P.S.F. Ce = 1.2 SHELTERED (MOST SEVERE FACTOR) Ct = 1.2 UNHEATED (MOST SEVERE FACTOR)

I = 1.0 (OCCUPANCY CATEGORY I OR II)

D. WIND DESIGN DATA

BASIC WIND SPEED: 90 M.P.H. (3-SECOND GUST) AT 30' ABOVE GRADE. Iw = 1.0

EXPOSURE: `C'

INTERNAL PRESSURE COEFFICIENT: N/A

COMPONENTS AND CLADDING: N/A

NOTE: WHEN STAIRWAY IS USED ON EXTERIOR OF BUILDING, IT SHALL NOT BE LOCATED

NEAR HILLS, RIDGES, OR ESCARPMENTS.

E. EARTHQUAKE DESIGN DATA

IE = 1.0 (OCCUPANCY CATEGORY I OR II) SS = 2.00g S1 = 1.00g SITE CLASS: D

SDS = 1.00g SD1 = 1.00g SEISMIC DESIGN CATEGORY: E

SEISMIC FORCE RESISTING SYSTEM: ORDINARY MOMENT FRAME.

DESIGN BASE SHEAR: V = 0.391 Wp (A.S.D.) AT 30 FT. ABOVE GRADE. CS = 0.333

R = 3.0

ANALYSIS PROCEDURE: EQUIVALENT LATERAL FORCE.

23. ADDITIONAL REQUIREMENTS:

A. RISER SHALL HAVE SPACE REDUCTION BAR PER DETAIL 22 OR EQUAL.

B. OUTDOOR STAIRWAYS SHALL BE CONSTRUCTED SO THAT WATER WILL NOT ACCUMULATE

ON WALKING SURFACES. 2%MAXIMUM SLOPE.

C. WALKING SURFACES SHALL BE SOLID SURFACES.

D. USEABLE SPACE UNDER STAIRS SHALL NOT BE ENCLOSED.

GENERAL NOTES

SPIRAL STA

IRWAY

THIS PLAN IS VALID

ONLY WITH WET SEAL

& SIGNATURE OF

ENGINEER.

1

MODEL NO

.: STANDARD

#111-S

5AGENERAL NOTES

FINISHMINIMUM FRAMED OPENING FOR STAIRS

FRAME ROUGH OPENING LARGER TO ALLOW FOR FINISH

MATERIAL SUCH AS GYP. BD., TRIM, ETC.

FINISHED OPENINGSTAIR DIA. "D"

9'-4"

TYPICAL RISERS

-----

12 RISERS

RISER

HEIGHT

8" 8'-8"

LANDING TO LANDING HT. - "H"

10'-0" 10'-8" 11'-4" 12'-0"

10

DOWN

1. LANDING IS REVERSIBLE; 60 OR 90 DEGREE EDGE OF LANDING MAY BE USED FOR TOP STEP.

2. 8.9" MINIMUM RISER HEIGHT REQUIRED FOR HEADROOM BELOW SQUARE LANDING.

3. IF DOORWAY OCCURS AT LANDING, A LARGER LANDING MAY BE REQUIRED. SEE NOTE 16 & DETAIL 17 .

INDICATES

DIRECTION TO

ENTER STAIR

(DOWN)

LEFT HAND UP

NOTE:

13 RISER LAYOUTS

SHOWN (12 TREADS

& 1 LANDING)

RIGHT HAND UP

7

98

5

6

23

4

TYP.-SEE SCHED.

FINISH OPENING

"D"

11

13

1

12

(1) SEE DETAILS 6 , & 7 .(2) SEE DETAIL 8 .

(3) SEE DETAILS 14 & 19 .

(4) IF SOIL BEARING VALUE IS GREATER THAN 1,500 P.S.F., USE "W" FOR 1,500 P.S.F. EXISTING OR NEW CONCRETE FLOOR OR WOOD FLOOR FRAMING SHALL BE DESIGNED

FOR THE SPECIFIC COLUMN LOAD FOR EACH INSTALLATION.

(5) 2-STORY STAIRS (24'-0" MAX. HT. WITH LANDING AT MID HEIGHT).

(6) COMPARABLE DIAMETER AND WALL THICKNESS OF STEEL ROUND H.S.S. TUBING MAY BE SUBSTITUTED FOR PIPE SHOWN.

TREAD, COLUMN, & FOOTING SCHEDULE

STAIR

DIAMETER

"D"

6'-6"

6'-0" MAX. (5)

7'-0"

5'-6"

6'-0"

5'-0"

CONC. PAD "W" (3)(4)

1,500 P.S.F.

SOIL BRG. VALUE

13 RISERS 14 RISERS 15 RISERS 16 RISERS 17 RISERS 18 RISERS

8 1/2" 8'-6" 9'-2 1/2" 10'-7 1/2"9'-11" 11'-4" ----- -----

9" 9'-0" 12'-0"10'-6"9'-9" 11'-3" ----- -----

9 1/2" 9'-6" -----11'-1"10'-3 1/2" 11'-10 1/2" ----- -----

5'-0" 5'-3" x 5'-3"

5'-6" 5'-9" x 5'-9"

6'-0" 6'-3" x 6'-3"

6'-6" 6'-9" x 6'-9"

7'-0" 7'-3" x 7'-3"

5STAIR SCHEDULE

DOWN

12

11

131

2

34

5

6

7

8

910 10

911

DOWN

12

1 13

2

34

5

6

7

8

1

2 3

4

5

6

7

89

10

11

12

13

DOWN

13 1

DOWN

12

11

109

8

7

6

4

53

2

13 1

DOWN

12

11

109

8

7

6

5

43

2

16"

16"

16"

16"

16"

20"

3 1/2"

O.D.

3 1/2"

4"

4"

4"

4"

PIPE DIA.

& TYPE (6)

3" STD.

3 1/2" EX. STR.

3" STD.

3 1/2" STD.

3 1/2" EX. STR.

3 1/2" EX. STR.

MAX. LOAD

(LBS.)

2,500

2,500

2,500

2,500

2,500

3,600

"E"

(2)

COLUMN

4"

4"

4"

4"

4"

"C" (1)

14 3/4"

19 3/8"

16 3/8"

17 7/8"

21"

"R" (1)

2'-6"

2'-9"

TREAD

3'-0"

3'-3"

3'-6"

MATCH ABOVE

SCALE ON 30 x 42

PRINTED SHEET

DO NOT SCALE PLANS

OR DETAILS

1"1"

477 MARP

IT DR

IVE

BROOMALL, PA

. 19008

SPIRAL STA

IR

WAREHOUSE

info@sp

ira

lsta

irwarehouse.com

(877) 782-4779

FAX

(610) 541-0890

INTERNET:

(5) 1/2" DIA. x 4" LAG BOLTS

TO WOOD HEADER (BY OTHERS)6" FROM ENDS AND EQUALLY

SPACED (DOUBLE QUANTITY OFLAGS AT INTERMEDIATE

LANDING OF 2 STORY STAIRS).WHERE LANDING IS EXPOSED

AT EXTERIOR, USE GALV. LAGS.

GUARDRAIL NOT SHOWN FOR CLARITY

(2) 1/2" DIA. x 4" LAG BOLTS, SEE

STRUCTURE SHALL BE CAPABLE

OF RESISTING 210# WIND OR

168# SEISMIC LATERAL LOAD IN

ADDITION TO 162# LATERAL FROM

COLUMN DUE TO UNBALANCED LOADS.

(372# MIN. LATERAL)

CLOSED END

TREAD

OPTIONAL ON

5'-0" DIA.

STAIR

PROVIDE CLOSED RISER

OR DECORATIVE FILLER

TO PREVENT PASSAGE

OF 4" ∅ SPHERE, SEE

VINYL TOP CAP,STANDARD

HANDRAIL, SEEDETAIL

SPLICE @ 2ND

STORY, SEE

DETAIL

2ND STORY STAIRS

WHERE OCCURS

WELDED RAIL GUARD BY

SPIRAL STAIR WAREHOUSE

PER

4X OR DBL. 2X FLOOR

JOIST OR HEADER TO

BE DESIGNED FOR

PLATFORM LOAD FOR

EACH PROJECT

TOP LANDING

OR

*

TYPICAL TREAD,SEE DETAIL

BEARING PLATE

(RECESS OPTIONAL),SEE DETAIL

OR

12

'-0" MAX

. VER

IFY LAND

ING AND R

ISER TYPE

9

20

18

2 4

6'-6" M

IN. HEAD ROOM

LAND

ING TO LAND

ING HE

IGHT - "H"

6

22

12" M

IN.

19

TYPICAL ELEVATION

*

11

1/2" = 1'-0"

PER

SCHEDULE,SEE

6" MAX. EQ. EQ. EQ. EQ. 6" MAX.

43" MAX.

R + 1

1/2" 43" MAX

.EQ

.EQ

.EQ

.6" MAX

.EQ

.6" MAX

.

90 DEGREE LANDING PLAN1" = 1'-0"

60 DEGREE LANDING PLAN1" = 1'-0"

2

PIPE SLEEVE OVER

PIPE COLUMN

RIB STIFFENERS

90

°

3

20

15" MAX.

TYPICAL WOOD

OVERLAYMENT

MOUNTING HOLE

(SEE TREAD

ALTERNATIVES)

20

VARIES

13" MINIMUM

15" MAX

.

3

60°

1/8" STEEL PLATE LANDING

TYPICAL RIB

STIFFENER

1/8

LANDING STIFFENER 3N.T.S.

1/4" STEEL

2"90 DEGREE

BEND

2-8

2"

EQ

.

R + 1

1/2" 43" MAX

.

EQ

.6" MAX

.6" MAX

.EQ

.EQ

.

*

PIPE SLEEVE

OVER PIPE

COLUMN

15" MAX

.

RIB STIFFENERS

43" MAX.

1/8" STEEL PLATE

LANDING (SQUAREOR 60 DEGREE

SUPPLIED. OPTIONAL

ROUND 90 DEGREE/

60 DEGREE)

"R" - PER SCHEDULE, SEE

3/4" SQ. x 16 GA. TUBE SPINDLE

(TYPICAL) (Fy = 50 K.S.I.)

TYP. WOOD TREAD

MOUNTING HOLE

2"

26" MINIMU

M CLEAR

1'-0"

7

1/2

" M

IN.

3" TREAD WIDTH

8 15

TREAD PLAN1 1/2" = 1'-0"

6

6A

UP

HANDRAIL

TYPICAL TREAD

HOLES FOR

SPINDLES

"C" PER SCHEDULE

10 TREAD SECTION 6AN.T.S.

1/2" MAX. RADIUS

VAR

IES

VARIES

1. 1/8" OR 10 GA STEEL PLATE.

(3/16" STEEL REQUIRED FOR DIAMETERS OVER 6'-6").

2. DIAMOND FLOOR PLATE: 1/8" STEEL.

3. HOT-DIPPED GALVANIZED.

4. HOT-DIPPED GALV. DIAMOND FLOOR PLATE.

TREAD ALTERNATIVES

*

A. 1 1/16" THICK OAK.

B. 3/4" THICK HIGH DENSITY PARTICLE BOARD (FOR CARPET).

OVERLAYMENT

*INCLUDES HOLES FOR MOUNTING WOOD OVERLAYMENT PER

A OR B ABOVE (SPECIAL ORDER AVAILBLE WITHOUT HOLES).

81 1/2" = 1'-0"

TYPICAL TREAD SECTION

3/4"

"E", SEE

4 1/2" M

IN.

3/4"

4 HOLES

TAPPED FOR

5/16" DIA.

SET SCREWS

TYPICAL TREAD

C.L. OF 1/4" DIA. M.B. (BEYOND)

CJP

3/4" x 16 GA.

TUBE SPINDLE

(BEYOND)

10 & 16

2"

END PLATE

SAME MATERIAL

AS TREAD

(OPTIONAL ON5'-0" MAX. DIA.

STAIR)

1 1/2" MIN.

1/8

(2) #12-24 x 1 1/2" S.D.S.T.S.M.S.

TEKS (R.R. 24029). SCREWS MAYBE INSTALLED IN HOLES FOR

SET SCREWS. WHERE PIPE

SLEEVE COLLARS BEAR ONE ON

TOP OF ANOTHER, TEK SCREWSARE NOT REQ'D.

PIPE COLUMN PER

SCHEDULE, SEE5

215

& 12 1/2" MAX. RADIUS

5

5SEE

6A

TYP.

PIPE SLEEVE COLLAR, SEE

(PIPE SLEEVE COLLAR MAY BEOMITTED WHERE TREAD IS WELDED

DIRCTLY TO COLUMN.)

13

PIPE COLUMN PER

SCHEDULE, SEE5

FOR BEARING PLATE ON

EXISTING 3 1/2" MIN. SLAB

A JOB SITE SPECIFIC

MODIFICATION APPROVAL IS

REQUIRED FROM THE BLDG.

DEPT., APPROVAL IS ALSO REQUIRED BY THE

ENGINEER OF THE STANDARD

PLAN

3/4"

3/4"

4 1/2" M

IN.

2" ± 1/2"

3 1/2" OR 4" I.D.

PIPE SLEEVE

(4) HOLESTAPPED FOR

5/16" DIA.

SCREWS

TYPICAL SLEEVE COLLAR 13N.T.S.

COLUMN SPLICE @ 2ND STORY 9N.T.S.

12"

LANDING PER DETAIL OR2 4

3 1/2" O.D. INNER COLUMN

4" O.D. COLUMN

1 1/2"

1 1/2"

(4) 5/16" DIA. SET SCREWS (2 PLACES),(8 TOTAL) COLUMN TO INNER COLUMN

TYP. TREAD COLLAR

4" O.D. COLUMN

COLUMN BASE SECTIONN.T.S.

NEW OR EXISTING

CONCRETE SLAB

(BY OTHERS)

3/16

PIPE COLUMN PER SCHEDULE, SEE 5 14

"W" SQUARE PAD

PER SCHEDULE,

SEE 5

N.T.S.

COLUMN BASE PLAN 14

"W" PER SCHEDULE

5SEE

SEE

5

"W" PER SCHEDULE

8"

19

3/16

NOTE: PLEASE CONTACT

THE SPIRAL STAIR

WAREHOUSE PRIOR TO

SETTING LOCATION FOR

ANCHOR BOLTS.

1/4" x 10" DIA. STEEL

PLATE (3/8" x 10" DIA.

AT (2) STORY)

PIPE COLUMN PER

SCHEDULE, SEE5

1/4" x 10" DIA. BEARING PLATE

AT FLOOR LEVEL OR RECESSED*

1/4" ∅ M.B. W/

STAR WASHER

& NUT (TYPICAL)

3/16" x 3/4" BAR

4" MAX

.4" MAX

.

RISER SPACE REDUCTION BARN.T.S.

22

BALCONY/FLOOR FRAMING

& GUARDRAIL BY OTHERS,NOT A PART OF STAIRS

LANDING DETAIL 17N.T.S.(SEE NOTE 16)

STAIR

WIDTH 36

" M

INIMUM

AT DOORWAY

.

STA

IR W

IDTH

('R') AT

OTHER

LAND

INGS

DOORWAY

GUARDRAIL, SEE 20

N.T.S.

18HANDRAILS

FINGER

GROOVES

TYP. WOOD

STANDARD HANDRAIL

BRASS SHALL BE A.S.T.M.

B43-94 STANDARD H58.

1. 1 1/2" O.D. x 1/8" THICK

ALUMINUM ALLOY 3003-H14

*

1. 1 1/4" O.D. x 1/8" THICK

ALUMINUM ALLOY 6061-T6.

2. 1 1/2" O.D. x 1/8" THICK BRASS.

3. SOLID OAK 1 3/4" WIDE x 2" HIGH

W/ FINGER GROOVES (SEL. STRUCT.)4. 1 1/4" O.D. x 1/4" BRASS.

HANDRAIL ALTERNATIVES

*

*

CONNECTION AT LANDING1 1/2" = 1'-0"

BEARING PLATE ANCHORAGE:

(4) 1/2" DIA. x 10" A.B. FOR EXTERIOR INSTALLATION USE GALV. A.B.OR

(4) 3/8" DIA. MIN. HILTI KWIK BOLT TZ ANCHORS W/

2" MIN. EMBED. (25 FT.-LBS. TORQUE).

(INSTALL ANCHORS AFTER CONCRETE HAS CURED, 28 DAYS.) (INSTALL PER E.S.R.-1917 SEPT. 1, 2007).

NOTE: KWIK BOLT TZ ANCHORS INSTALLED IN

EXTERIOR LOCATIONS SHALL BE STAINLESS STEEL.

NATURAL OR COMPACTED SUB-GRADE

CONCRETE PAD

3" MIN. EDGE DIST.

12" M

IN.

16" M

IN.

18" AT 2 STORY

STA

IRS

REBAR FOR

EXPANSIVE SOIL

*

FOR EXPANSIVE SOILS:

18" MIN. DEEP FOOTING

REQUIRED W/ (2) #4EACH WAY TOP & BOTTOM

W/ 3" CLEAR TO SOIL.

NOTE: CONCRETE FLOOR OR WOOD FLOOR FRAMING (EXISTING OR

NEW) SHALL BE DESIGNED FOR THE SPECIFIC COLUMN LOAD FOREACH INSTALLATION. ANY REQUIRED STRUCTURAL CALCULATION

OR ENGINEERING SHALL BE PROVIDED BY OWNER.

CONCRETE FLOOR 3" MIN.):

(2) 1/4" DIA. POWER-STUDOR TRUBOLT WEDGE

ANCHORS W/ 1 1/4" MIN.

EMBED.

1/4" DIA. M.B.

3/4" SQ. x 14 GA.

TUBE STARTER

POST (Fy = 50 K.S.I.)

1/8

N.T.S.

DETAIL 11

5/8" ROUND

TUBE (INSERT)3 1/2" DIA. x 1/8"

PLATE, SEE

DETAIL 12

1" 1"

WOOD FLOOR:

(2) 5/16" DIA. x 1 1/2"LAG BOLTS TO MIN.

2x JOIST, DECK, ORBLOCKING

N.T.S.

STARTING POST PLAN 12

1/2" = 1"

DETAIL

1/4" DIA. M.B. W/

STAR WASHER

& NUT TYPICAL

TYPICAL TREAD

SPINDLE

TYPICAL HANDRAIL RAIL GUARD 151" = 1'-0"

34" M

IN. / 38" MAX

.

CONTINUOUS HANDRAIL SECURE

TO EACH SPINDLE, SEE18

3/4" SQ. x 16 GA.

TUBE SPINDLE

(Fy = 50 K.S.I.) W/ CAST ALUMINUM HEAD

(ANSI AA-319.00-F)

16

10

5/8" SQ. SOLID

INSERT TO 18"

ABOVE UPPER

TREAD (Fy = 50 K.S.I.)

VAR

IES

8" M

IN.

9 1/2" MAX

.

DECORATIVE FILLER

SUCH THAT 4" DIA.

SPHERE WILL NOT

PASS THROUGH

(DESIGN VARIES)

16

4" MAX.

TYPICAL

18" M

IN.

SAFETY

TERMINAL

OPTIONAL,SEE NOTE 15

1/4"-20 PAN HEAD PHILLIPS

x 3/4" LONG SCREW

HANDRAIL

SECTION

1 1/2" x 1/8"

x 3" PLATE

RAIL CONNECTOR

OR WELD

1 1/4" x 1 1/4"

x 14GA. (0.075)INSERT

(2) 1/4" DIA.HOLES AT WOOD

CONNECTION,

(1) 1/4" DIA.HOLE AT STEEL

CONNECTION

18

CONTINUOUS

HANDRAIL,

SEE

1 1/16"

1"

TYPICAL TREAD

5/16" SET SCREW

IN-BETWEEN

SPINDLE BASE

(I.B.S.) 2 3/4"

3/4"

1/8"

3/16"

3/4" SQ. x 16 GA.

TUBE SPINDLE W/

CAST ALUMINUM

HEAD

(ANSI AA-319.00-F)

DRIVE PIN

FORCE FIT HEAD

INTO SPINDLE

(1) #10 x 3/4"SHEET METAL SCREW

16SPINDLE1/2" = 1"

42"

4"

1"

1/8TYP.

1/4" DIA. M.B.

TOP LANDING OR2 4

(2) #12 x 2"WOOD SCREWS

TO STUD OR

BLOCK

3/8" DIA. x 4" LONG LAG BOLTS

INTO 2X MIN. BLOCKING OR

JOISTS (BY OTHERS)

SIMILAR8

#12-24 x 1 1/2"

S.D.S.T.S.M.S.

TEKS SCREWS

1 1/2" SQ. x 14 GA.

20LANDING RAIL GUARDN.T.S.

4" MAX. CLEAR OR

DECORATIVE IRON

FILLER SUCH THAT

4" DIA. SPHERE

WILL NOT PASS

THROUGH

(DESIGN VARIES)

2" TYP

.

CAST ALUMINUM

DOME CAP

(OPTIONAL)

6" ± 6"

3/4" SQ. x 16 GA. (0.060)

(STEEL)

3/4"

1/2"

RAIL CONNECTOR

1 1/2"

1 1/2" SQ. x 14 GA. (0.075)

TUBE TYP. (STEEL)

1/8"

COLUMN BASE SECTIONN.T.S.

21(FOR 1 & 2 STORY STAIRS)

FOOTING FOR SUPPORT

OF STAIRS ONLY, SEE19

8" M

IN.

9'-0

" MAX

.

SIMPSON LCB66

6x6 #2 D.F.-L.

OPTIONAL POST

WITH FOOTING

WHERE REQUIRED

SIMPSON A35 (4) SIDES

LT. WEIGHT

CONCRETE

WHERE OCCURS

FLOOR PANEL COLUMN & BEARING

PLATE, SEE14

BLOCK

SOLID

12" SQUARE

14

5'-0" MAX.

10

19

5

7

4

2

1

7

7

7

7

FINISH

LAG, SEE PLAN

LANDING

(2) 2x OR 4x BEAM

1 1/2"

TYPICAL FLOOR