guide to specification - Reid Construction Systems

S8(a): End Support Details – Fixings Notes
Fixing Notes
Unless specified otherwise fixings shall be as follows:
(A) - When supporting trusses via Bottom chords
each Truss Bottom Chord shall be held onto its
supporting plate/bearer by a minimum of 2/75 x 3.15
mm dia. nails. If preferred, a better fixing may be
achieved by using on Pryda Multigrip Long with 3/35
x 3.15mm dia. Pryda nails per tab.
(B) PrydaSpan truss boundary stringer to;
a) stringer attached to supporting steel beam or
b) continuous timber bearer fix using a minimum 90 x
M8 Coach Screw @ 500mm centres.
(C) Upper wall Bottom Plate (BPL) to PrydaSpan truss
Top Chord (TC) - use 1/100mm washered Drive Pin
@ 600mm centres.
(D) For continuous floor over load bearing wall -
stringer to stringer - use minimum 90 x M8 Coach
Screw @ 500mm centres between edge truss or joist
and top chord of adjoining truss.
(E) Module to Module Edge Fixing - use minimum 90
x M8 coach Screw @ 500mm centres between edge
truss or joist and top chord of adjoining truss.
(F) Fixing for diaphragm action not included.
Diaphragm action fixings and details need to be
specifically designed.
“Fixings Notes” above are for Residential Application i.e. Floor Load = 1.5kPa / 1.8kN).
For other applications contact the “Reid Construction Systems” Engineering Design office on 0800 88 22 12.
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