WIDTH ROOF/FLOOR

INTERIOR / NON-BEARING WALLS EXTERIOR/ NON-BEARING WALLS

Design
SHEATHING

Remodels
2x4 STUDS 2x6 STUDS 2x4 STUDS 2x6 STUDS CLIPS, SEE SHEARWALL
FLOOR OR ROOF

Retrofits
SCHEDULE
FRAMING ALIGN w/ WALL,

3/4" MIN.

DEPTH
1 3/8" DIA. 2 1/8" DIA. 1 3/8" DIA. 2 1/8" DIA. SEE PLAN

DIA.
DOUBLE TOP PLATE
HOLE MAX. HOLE MAX. HOLE MAX. HOLE MAX.
7 75° 45
37. °

ONE
ALLOWABLE NOTCHES AND HOLES IN TOP PLATES 5/8" MIN. 5/8" MIN. 5/8" MIN. 5/8" MIN. 5/8" MIN. 5/8" MIN. 5/8" MIN. 5/8" MIN.
PLATE SIZE DEPTH WIDTH REMAINING DIAMETER
2x4 2" 16" 1 1/2" 2"

16" MAX.

16" MAX.

16" MAX.

16" MAX.
2x6 3 1/2" 16" 2" 3 1/2"
(N) PLYWOOD EQ. EQ.
NOTES: ACCEPTABLE CS16 SHEARWALL 58

WHERE OCCURS, STRAP, SEE PLAN .2

82
1. FOR ALL NOTCHING OR DRILLING GREATER THAN LOCATIONS °

SEE SHEARWALL (NOT REQ'D IF COLLECTOR

ABOVE, PROVIDE 3" LONG CS16 w/ 16-3d NAILS EA.
SIDE OF NOTCH OR DRILLED HOLE, U.O.N. ON PLAN. CENTER STRAPS ON 7/8" MAX. 1 1/8" MAX. 1 3/8" MAX. 2 1/8" MAX. SCHEDULE IS CONTINUOUS) 2845 Callifornia St
San Francisco, CA 94115
2. ONLY REQUIRED AT EXTERIOR WALLS AND INTERIOR NOTCHED/DRILLED HOLE END POST OF STUD WALL (415) 828-4412
info@onedesignsf.com
BEARING AND SHEARWALLS. OR TOP PLATE BREAK.
3. PROVIDE HARDY SADDLE H824 AT COMPLETELY NOTES:
NOTCHED TOP PLATES. 2x STUDS @16"C.C.
FESSION
1. IF ALLOWABLE CUTS ON STUDS ARE EXCEEDED, PROVIDE SIMPSON HSS STUD SHOES AT EACH NOTCH OR HOLE. PRO
4. NO STRAPPING REQUIRED IF NOTCHING OR DRILLING DOUBLE TOP PLATES D AN O'N L
EI
A
EV

E
2. DO NOT NOTCH OR DRILL MORE THAN 3 CONSECUTIVE STUDS.

ER
OF TOP PLATE IS AS SHOWN.

EN
ER
REG IST

LL
GIN
3. DO NOT NOTCH OR DRILL BALLOON FRAMED STUDS OVER 10'-0".

EER
C 75459
4. NOTIFY ENGINEER IF LOADBEARING STUDS NEED TO BE NOTCHED OR HOLES ARE REQUIRED EXP.03/31/26
NOTE: CONTRACTOR'S OPTION TO USE LFTA STRAP
ALLOWABLE NOTCHES & HOLES IN NON BEARING STUDS

IA
ST
AT
1
CIV I L RN
E
OF CA L I FO
3/4" = 1'-0" COLLECTOR JOIST
1/3 SPAN 1/3 SPAN
FLUSH BEAM PER FLOOR SHEATHING 4 3/4" = 1'-0"
PLAN AS OCCURS PER PLAN
NOTCHES AND 1/3 SPAN NOTCHES AND
HOLES ALLOWED NO NOTCHES HOLES ALLOWED A35 EA. SIDE
A35 @ STRINGER ROOF
CS16 EXTEND OVER 10d's@4"C.C.
SHEATHING
D/3 3 JOIST BAY MIN., PROVIDE @ BLK'G

D
17" END LENGTH MIN. BOTH CLIPS, SEE

LYONS RESIDENCE

SAN FRANCISCO, CALIFORNIA 94114

ALT. LOCATION OF 3x PT PLATE w/ 2-16d ENDS SHEARWALL
2" MIN.

"d" .
D/3

MI
CONC PINS @ 12" C.C.
2" MIN.

D/6

BEAM AND FLOOR

N
SEE PLAN 1'-5" END "L" SCHEDULE
D/3
D/6

SHEATHING
D/4

MAX. NOTCH MAX. NOTCH MAX. NOTCH SOG. PER PLAN

JOIST SIZE STRINGER PER

170 MONTCALM ST
WIDTH, D/3 DEPTH, D/6 SIZE, D/3
SCHEDULE BELOW
2x6 1 3/4" 7/8" 1 3/4"
2x8 2 3/8" 1 1/8" 2 3/8" MAX. STRINGER RUN
# PRODUCT (E) MIN SIZE (4) "d" COMMENTS
2x10 3" 1 1/2" 3" (SEE NOTE 1)
7'-0" 1 1x14 DFL #2 2X14 7" -
2x12 3 3/4" 1 7/8" 3 3/4"
10'-0" 2 2x14 DFL #2 2X14 7" SEE NOTE 2 TJI JOISTS @16"C.C.
2x14 4 3/8" 2 1/8" 4 3/8"
14'-0" 2 1 3/4x14 LVL 4x14 7 7/8" SEE NOTE 3
NOTES: TJI SOLID BLK'G
1. HOLES MAY BE DRILLED IN ANY 1/3 SPAN. HOLES MUST BE A MIN. 12" FROM ANY NOTCH. NOTES:
@48"C.C.
2. DO NOT NOTCH BOTH TOP AND BOTTOM SURFACES WITHIN THE SAME 1/3 SPAN.
3. MAX. ALLOWED IS A COMBINATION OF TWO NOTCHES AND/OR HOLES PER 1/3 SPAN. 1. STRINGER RUN IS THE HORIZONTAL DIMENSION BETWEEN STAIRWAY SUPPORTS.
2. (2) ADJACENT STRINGERS CENTERED ON TREAD WIDTH MAY REPLACE (2) INTERIOR EVENLY DOUBLE TOP PLATE
4. THIS DETAIL DOES NOT APPLY TO NOTCHES AND HOLES IN STRUCTURAL BEAMS, THEY MUST BE
SPECIFICALLY DETAILED. SPACED STRINGERS.
5. NOTCHES AND HOLES ARE NOT ALLOWED IN CANTILEVERED JOISTS. 3. FOR USE AT 36" TREAD WIDTH OR LESS ONLY OR MAX 3FT SPACING END POST OF STUD WALL
6. REFER TO MANUFACTURERS RECOMMENDATIONS FOR HOLES IN MANUFACTURES I-JOISTS. DO 4. IF (E) STRINGERS ARE SMALLER THAN THE TABULATED SIZES THEN SITER (N) LVLS AS
NOT NOTCH I-JOISTS. REQUIRED PER THE TABLE REQUIREMENTS. ENGINEER TO VIF.
5. STAIR DESIGN LOAD : DEAD 10PSF, LIVE : 100PSF PLYWOOD SHEARWALL
ALLOWABLE NOTCHES & HOLES IN CONVENTIONAL JOISTS TYPICAL STAIR STRINGER DETAIL WHERE OCCURS,
2 3/4" = 1'-0"
3 3/4" = 1'-0" STRAP COLLECTOR SEE SHEARWALL SCHEDULE
5 3/4" = 1'-0"

project
HOLDOWN HHU SPEC
HARDWOOD TOP RAIL CONT TOP RAIL
HDU2 HHUS

EQ.
(IPE ON EXT.) revisions

HDU4 HHUS # description date

GUARDRAIL POST@ 48"
HDU5 MGU-SDS C.C. SEE NOTE 1
3/8"x2-1/2" PTD MTL
HDU8 HGU-SDS BAR STOCK SUBRAIL w? T& G STRUCT 1 PLWD w/ TOP MOUNTED BASE

3"
COUNTERSUNK #8 10d @12" C.C. IN FIELD PLATE SEE DETAIL A.

42"
SCREWS INTO WOOD 10d @ 4" C.C. E.N. TYP. CAULK ALL SCREWS AND
TOP RAIL BLKG
HHU HGR TYPICALLY: WATERPROOFING BY
OTHERS
UNLESS BEAM 1 5/8"⌀ THRU CABLERAIL* BY FEENEY
JOIST DECK SURFACE
BOLTS @ 16" INSTALL PER
SUPPORTS A HOLDOWN X1 MANUFACTURERS
C.C.
POST - THEN REFER TO 2-#8 SCREWS DETAILS.
SCHEDULE ABOVE @12"C.C.
drawn by
BEAM PER PLAN
KH
GUARDRAIL POST@ 48"
TYPICAL WD BEAM - WD BEAM C.C. SEE NOTE 1
7

EQ.
DBL MEMBER TPL MEMBER 1 3/4" MIN TO EDGE OF
3/4" = 1'-0" 1/4" PLATE SIDE set type
MOUNTED TO MIN 4x WD TYP.
MULTIPLE BLKG OR DBL JOISTS 1/4" BASE PL BUILDING PERMIT

6"
X1 2x/LVL SEE
4-3 1/2 " LONG SDS 4-3/8x8" LONG" ∅ LAG
PLAN
SCREWS MIN CAULK ALL SCREWS MIN

3"
SCREWS AND sheet content
16" 16"
3" WATERPROOFING BY
TYPICAL

TYP.
OTHERS GUARDAIL POST

STRUCTURAL

3/ "
3"

TYP.
4
NOTE 1: 3/16
3"

DETAILS

3/ "
4
4x BLKG/JOIST TYP.
THE GUARDRAIL IS TO BE PROVIDED SHALL BE A MIN OF 5/8"x11/2" FLAT BAR OR BY DETAIL A @ WOOD
THE MANUFACTURER AND SHALL MEET THE REQUIREMENTS OF 2022 CBC 10.3.3.3 FRAMING (TOP
FOR A992 STEEL (Fy = 50ksi Smin ≥ 0.287in FOR DEFERRED SUBMITTAL FOR MOUNTED)
3"

ENGINEERS APPROVAL). ORIENT STRONG AXIS PERPENDICULAR TO TOP RAIL WHERE GUARDRAIL POST@ 48"
GLAZING INFILL PANELS ARE USED, THESE SHALL MEET THE REQUIREMENTS FALL C.C. SEE NOTE 1
sheet no.
OF CHAPTER 24 AND SHALL BE A MINIMUM OF 1/4" THICK TEMPERED. WHERE HAZARD SIDE
SECTION X1-X1

3"
S2.0
CABLE RAIL IS USED AND THREADED THROUGH (MAX HOLE OF1/8" 3/16") THE F.O. CONC.
GUARDRAIL POSTS, INCREASE POST THICKNESS BY 1 5/8 " ∅ S.S. KB TZ BOLT
*REFER TO MANUFACTURERS DETAILS FOR FURTHER SPECS.
3_
"X2
x4" GALVANIZED TO CONC (MIN 5"
8
BASE PLATE LONG)**
DETAIL A @ CONC. **PULL TEST TO 2500LBS WHEN
BUILT UP WOOD BEAM (TOP MOUNTED) INSTALLED IN EXISTING CONCRETE
8 1" = 1'-0"
date

05/29/2024
GUARDRAIL DETAIL
9 1 1/2" = 1'-0"
project number

2442
project owner

REDMOND LYONS