Sign face External fitted plug.
Diagonal braces to Top compressive 75 Refer note S6
unsupported leg. leg strut system. STEEL NOTES:
Refer note G4 Refer note G4 S1. Steel grades (FY) to be:
Section and plates to AS1204 - 250Mpa.
Sign attachment. CHS to AS1163 - 250/350/450 Mpa, as specified.
See detail Overhang varies
S2. Welded connections shall be with 6mm continuous fillet welds
on SD1364 to suit specified 150
in accordance with AS1554 category special purpose (SP), post length Level of top strut.
using electrode type E48XX/W50X MIG welding, (max 1.75S Refer note G4
Immediate leg strut except at fuse plate where E41XX/W40X electrodes are to be min 150 mm)
Sign height ‘B’
(see note G7)
at 3m CTS max. used.
Fuse plate. (if required) Pitch=2 x S
S3. All bolts are to be galvanised grade 8.8 unless noted otherwise.
Refer detail S4. All bolts, fitments, plates, etc. to be hot dipped galvanised,
(breakaway and non-breakaway)
on SD1367 Pin diameter
Post length as specified
S5. Corrosion protection. CHS post assembly to be hot dipped
Truss spacing Bottom compressive galvanised Post spacing (S)
2 Trusses: 0.6 x Sign Width leg strut system
300g/m² after fabrication of fuse plate and slip base plates.
3 Trusses: 0.35 x Sign Width
4 Trusses: 0.25 x Sign Width S6. External end plugs are not to be fitted prior to galvanising. Bottom strut above
S7. Weld sizes at the fuse plate are to be strictly adhered to, to ensure 150 bottom of sign face.
of breakaway system.
satisfactory performance of breakaway system.
Refer note G4
< 2500 type A trusses (S=750) Fuse plate.
Bracing chord and adaptors * Refer detail
to be used to align stubs on SD1367
S > 2500 < 3250 type B BREAKAWAY NOTES:
prior to concretre setting.
Refer Note G4 trusses (S=1000)
(see notes G6 & G7)
B1. Slip base bolts are to be cleaned, lightly oiled
and tensioned as follows:
slip clearance ‘Hs’
M36 - 100Nm
Slope concrete Slip base. M20 - 30Nm Horizontal web struts
surface away Refer SD1365 200 from top and
M16 - 20Nm.
from post at 1:6 bottom of stubs.
B2. Assemble upper to lower base plate with one
flat washer on each bolt between plates with
washer above the keeper plate.
B3. Seal gap between base plates with caulking Horizontal 100 min.
Stubs embedded into compound. web strut
75 cover concrete footing B4. The post ends at the cut are to be full contact
min. 300mm max.
in accordance with AS100 Cl. 188.8.131.52
Stub Length (st)
Road requirements for full contact compression
side splice. 100 max.
REAR ELEVATION B5. Details of slip bases are given on SD1365.
* Adjust the overhang to avoid
having a fuse plate within Depth (D)
Width (W) 50mm of a web node.
TRUSS SPECIFICATION SLIP BASE DETAIL FUSE PLATE DETAIL* FOOTINGS
Breadth (B) (see SD1365) (see SD1367)
POST WEB IN CLAY IN SAND
Post Post Wall Web Wall Pin Base Bolt Weld Weld Stub Stub
Truss Width Breadth Depth Width Breadth Depth
Spacing Dim. Thickness Grade Dim. Thickness Grade Dia. Plate Size Length Length Length Length
Type W(mm) B(mm) D(mm) W(mm) B(mm) D(mm)
S(mm) (mm) (mm) (mm) (mm) (mm) Tb(mm) p n(mm) m(mm) st(mm) st(mm)
PLAN T1A 750 65NB 3.2 C350 25NB 3.2 C250 120 16 M16 40 45 500 1200 1300 1300 500 1200 1600 1600
GENERAL NOTES: T1B 1000 65NB 3.2 C350 25NB 3.2 C250 120 16 M16 40 45 500 1500 1300 1300 500 1500 1600 1600
G1. Standard post spacing is not to be altered without approval of principal. T2A 750 80NB 3.2 C350 25NB 4.0 C250 120 16 M16 45 55 500 1200 1600 1600 500 1200 1900 1900
G2. Refer to TC9382 for dimensions and specifications of type 1 & 2 aluminium panel CONCRETE NOTES: T2B 1000 80NB 3.2 C350 25NB 4.0 C250 120 16 M16 45 55 500 1500 1600 1600 500 1500 1900 1900
stiffeners. Refer to specification ES126 for fixings to sign face. C1. Concrete specification: T3A 750 80NB 5.5 C350 32NB 4.0 C250 190 20 M16 80 55 500 1200 2000 2000 500 1200 2000 2000
G3. Refer to SD1364 for details of connector straps. Slump 80mm
Max. aggregate 20mm T3B 1000 80NB 5.5 C350 32NB 4.0 C250 190 20 M16 80 55 500 1500 2000 2000 500 1500 2000 2000
G4. Refer to SD1367 for details of unsupported leg strut system and adaptor plate. 3
Min. cement content 250kg/m * Fuse plate location and details differ from standard slip base support details on SD1365.
G5. For non-slip base supports exclude keeper plate and fuse plate details. Base Max. water/cement ratio 0.55 TABLE 4
Assembly still required unless specified as not being required by principle. Concrete N25 to AS3600
G6. Refer to MUTCD guidelines for sign clearances from kerb face and shoulder edge
DIMENSION WALL THICKNESS GRADE TRAFFIC SIGN
and sign orientation to road. Also refer to SD1365 for breakaway post details. C2. Mechanically vibrate full depth of concrete. HORIZONTAL STRUTS 32NB 4.0 C250
G7. Minimum slip clearance ‘Hs’ for breakaway posts is 2100 mm. Sign height ‘B’ must
Size A4 Drawing No
DIAGONAL STRUTS 32NB 4.0 C250 TRAFFIC SIGN SUPPORT DETAIL
not exceed 1.65 x ‘H’ for breakaway posts unless otherwise advised by principal. C3. Concrete poured directly against excavated
hole unless approved otherwise. DIAGONAL BRACES 40NB 4.0 C250 Not 1366
TRUSS TYPE BREAKAWAY to Date 09/95
TABLE 5 scale E F