EFCO 960 Series - Manual (Page 31)

H457
A,B,C, or D
.159" DIA. (#21) DRILL
PAGE 29
CD
CD
CD
CD
CD
CD
B
B
ABCD
ABCD
B
ABCD
ABCD
ABCD
B ABCD
B
B
ABCD
ABCD
BOTTOM OF HEAD
TOP OF VERTICAL
TOP OF INT. HORIZONTAL
CD
CD
TOP OF SILL
CD
CD
CD
B
ABCD
ABCD
ABCD
B ABCD
B ABCD
B
ABCD
ABCD
ABCD
ABCD B
CD B ABCD
B = 2-9/16" BACK MEMBER
D = 4-13/16" BACK MEMBER
C = 4-1/16" BACK MEMBER
A = 1-9/16" BACK MEMBER
BOT. OF INT. HORIZONTAL
BOTTOM OF VERTICAL
= SHEAR BLOCK
JDA 10/2000
USE THESE HOLES FOR
SHEAR BLOCK ATTACHMENT
SECTION IV - SHEAR BLOCK FABRICATION
DRILL JIG
FIG. # 13
CONT.