Notes..(1) . MATERIAL: ALL PLATE TO COMPLY WITH ASTM A36 OR AS3678-250.(2) . FABRICATION TO COMPLY WITH FALK SPN.808.(3) . ALL WELDING TO BE IN ACCORDANCE WITH CURRENT STANDARDS AS 1554.1 CAT. SP.ALL WELD JOINTS TO BE 8mm CONTINUOUS FILLET U.N.O.WELD INTERNAL STIFFENERS TO TOP PLATE & TWO SIDE PLATES ONLY.(4) . STRESS RELIEVE AFTER WELDING, SEE CHART.DRILL 6mm HOLE INTO ALL SEALED COMPARTMENTS.SEAL WELD AFTER STRESS RELIEVING.(5) . THE SURFACES SHALL BE CLEANED & ABRASIVE BLAST CLEANED TO CLASS 2-1/2 SURFACE TO AS 1627 PART 4.(6) . PRIME COAT APPLY INORGANIC ZINC SILICATE (DIMET 5 OR APPROVED EQUIVALENT) TO A DRY FILM THICKNESS OF 75 MICRONS(7) . FINISH COAT APPLY EPOXY MICACEOUS IRON OXIDE (FERREKO NO. 3 OR APPROVED EQUIVALENT) TO A DRY FILM THICKNESS OF100 MICRONS, COLOUR BRONZE OLIVE