MEP-Technical Manual CDN 0408.qxd - Hambro

SECTION 36 - MAXIMUM DUCT OPENING (D500 TABLES)
SECTION 35 - CANTILEVERED BALCONY
(JOIST PERPENDICULAR TO BALCONY)
DEPTH PANEL D S R
(mm) (mm) (mm) (mm) (mm x mm)
200 508 90 90 150 x 60
250 508 140 115 180 x 80
300 610 185 145 230 x 110
350 610 215 170 240 x 130
280 x 110
400 610 240 190 265 x 140
330 x 100
450 610 260 210 280 x 160
315 x 130
500 610 280 225 305 x 160
330 x 140
550 610 305 245 305 x 190
355 x 140
600 610 315 255 330 x 180
355 x 150
90 mm (3 1 /2”) MIN FOR 100 mm (4”) SHOE (TYP.)
SEE SPECIFICATIONS OF THE ARCHITECT
DEEP SHOE TO SUIT THE THICKER SLAB
REBAR
(SEE THE CONSULTING
ENGINEER)
WELDED WIRE-MESH
25 mm (1")
SLOPE
SLAB
(T)
THICKER SLAB
(TS)
NOMINAL
JOIST DEPTH
(D)
REBAR
(IF REQUIRED BY THE
CONSULTING ENGINEER)
TYPICAL DETAILS
HANGER PLATE
CEILING
EXTENSION
T + TS
TOP OF BEARING
THICKER SLAB TO SUIT BALCONY
TEMPORARY SUPPORT
FOR BALCONY (DESIGNED
& SUPPLIED BY OTHERS)
SOLID MASONRY WALL,
ACCORDING TO THE SPECIFICATIONS OF THE CONSULTING ENGINEER
(FILL THE MASONRY BLOCK WITH MORTAR, UNDER THE JOIST SHOE)
DEPTH PANEL D S R
(in.) (in.) (in.) (in.) (in. x in.)
8 20 3 1/2 3 1/2 6 x 2 1/2
10 20 5 1/2 4 1/2 7 x 3 1/4
12 24 7 1/4 5 3/4 9 x 4 1/4
14 24 8 1/2 6 3/4 9 1/2 x 5 1/4
11 x 4 1/4
16 24 9 1/2 7 1/2 10 1/2 x 5 1/2
13 x 4
18 24 10 1/4 8 1/4 11 x 6 1/4
12 1/2 x 5
20 24 11 9 12 x 6 1/4
13 x 5 1/2
22 24 12 9 3/8 12 x 7 1/2
14 x 5 1/2
24 24 12 3/8 10 13 x 7
14 x 6
SECTION 36 - MAXIMUM DUCT OPENINGS (D500)
** WEB OPENINGS ARE ALIGNED ONLY WITH JOISTS WHICH HAVE IDENTICAL LENGTHS **
PANEL
TOP OF SLAB
SS
D
R
NOMINAL
JOIST DEPTH
NOTE: The maximum limitation has been determined from the joist geometry,
with a bottom chord of 50 mm (2”) and a web of 22 mm (7/8”). If more
information needed, please contact the Hambro technical department.
D = MAXIMUM DIAMETER
S = MAXIMUM SQUARE
R = MAXIMUM RECTANGLE
11