Page 362 - 2018_IRC

WALL CONSTRUCTION

DIAPHRAGM BOUNDARY FASTENING. SEE TABLE R505.3.1(2)
TENSION TIE: 54 MIL × 2 × 6 FT LENGTH MINIMUM GRADE 50 STRAP
UNDER OR ON TOP OF FLOOR SHEATHING. ATTACH STRAP TO FIRST
TWO BLOCKS WITH 12 NO. 8 SCREWS. NO. 8 SCREWS AT 6 IN. ON
CENTER FOR BALANCE OF STRAP

43 MIL MINIMUM FULL DEPTH BLOCKING, TWO
BAYS MINIMUM AT EACH TENSION TIE. PROVIDE
43 MIL MINIMUM CLIP ANGLE EACH END WITH
NOT LESS THAN 4 NO. 8 SCREWS EACH LEG

NO. 8 SCREW B
HORIZONTAL AND 10d
× 1½ IN. COMMON TRACK
NAILS VERTICAL,
SPACING TO MATCH
DIAPHRAGM BOUNDRY 3IN. JOIST RUNNING
PARALLEL TO WALL
FASTENING. SEE
TABLES R505.3.1(2)
AND R602.3(1) 54 MIL GRADE 50 × 2 IN. STRAP,
TENSION TIE – SEE WITH 4 NO. 8 SCREWS EACH END
TABLE R608.9(8)
FOR SPACING
7IN. MIN. WOOD 2 × 6 MINIMUM SILL PLATE TYPICAL,
8 IN. MINIMUM 3×6WHEREREQUIRED BY TABLE R608.9(8)
WITH WEB
MATERIAL
REMOVED
½ IN. DIAMETER ANCHOR BOLT TYPICAL,
5 /8 IN. WHERE REQUIRED. SEE TABLE
R608.9(8) FOR SIZE AND SPACING
SECTION BLOCKING TYP. WITH 3 NO. 8 × 2½ WOOD
SCREWS TO SILL

JOIST JOIST

BLOCKING
TYP.

3IN. ALTERNATE END FLAT OR
CONNECTION WITH
BENT BLOCKING WEB FULL DEPTH
BLOCKING
4IN. AND 4 NO. 8 SCREWS AT STRAP
EACH END
TENSION TIE 4 IN. × 3 IN. × 3 IN. × 43 MIL MINIMUM CLIP
ANGLE WITH 6 NO. 8 SCREWS ON VERTICAL LEG,
4 10d × 1½ IN. COMMON NAILS ON HORIZONTAL
LEG. TENSION TIE LRFD CAPACITY1280 LB

ANCHOR BOLT WITH ¼ × 3 × 3
EQUAL STEEL PLATE WASHER

DETAIL B – PLAN VIEW

For SI: 1 mil = 0.0254 mm, 1 inch = 25.4 mm, 1 pound-force = 4.448 N.

FIGURE R608.9(8)
COLD-FORMED STEEL FLOOR TO TOP OF CONCRETE WALL, FRAMING PARALLEL

2018 INTERNATIONAL RESIDENTIAL CODE ® 337
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