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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