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General Notes - Steelwork

The table below covers a typical general steelwork notes on a bulk material handling project.



Notes
ALL FABRICATION AND ERECTION OF STRUCTURAL STEEL SHALL BE IN ACCORDANCE WITH SPECIFICATIONS AA SPEC 114001 AND AA SPEC 114002
NO ECCENTRIC CONNECTIONS ARE ALLOWED.
ALL CONCRETE WORK CONSTRUCTION SHALL BE IN ACCORDANCE WITH SPECIFICATIONS AA SPEC 114010 AND AA SPEC 114011.
GUSSETS: GUSSET PLATES TO BE MIN 8mm THICK.
WELDING: ALL WELDS SHALL BE MINIMUM 6mm CFW U.O.S TO BS 5135, SANS 0162; 044 AND AWS D1.1.
BEAM END PLATES MINIMUM THICKNESS TO BE 10mm
ALL STRUCTURES SHALL BE SHOP WELDED AND SITE BOLTED CONSTRUCTED.
ALL PURLINS GIRTS AND SAG ANGLES TO HAVE Ø18 HOLES FOR M16 GRADE 8.8 BOLTS.
BASE PLATES / COLUMN CONNECTIONS SHALL BE FACED FOR FULL BEARING WITH FULL PREP GROOVED WELDS. FILLET WELDS AS INDICATED.
ALL STEELWORK TO BE HARD STAMPED WITH MARK NO. AND DRAWING NO. TO WITHSTAND SANDBLASTING.
ALL SPLICES SHALL BE FULL STRENGTH END BEARING.
COLUMNS TO BE MACHINE FACED FOR FULL BEARING.
ALL STEELWORK TO BE GALVANIZED U.N.O.
NOTCH STEELWORK TO SUIT GALVANIZING.
ALL HANDRAILING AND FLOORING TO AA SPEC 114005: STEEL AND FRP FLOORING, STAIRS, LADDERS AND GUARDRAILS.
ALL GRATING TO BE HOT DIPPED GALVANIZED, MILD STEEL NON-SLIP OPEN GRID WITH 40 X 4.5 BEARER BARS AND Ø6 CROSS.
FICK FLATS 150x8mm T PROJECT 120mm MIN ABOVE GRATING. KICK FLAT WELDED TO STEELWORK.
ALL BOLTS SNUG TIGHT WITH FULL EFFORT OF PODGER SPANNER.
FABRICATOR TO SUPPLY ALL BOLTS, NUTS AND WASHERS NECESSARY FOR ASSEMBLY AND ERECTION, ALL LOOSE BOLTS, ETC TO BE BAGGED AND TAG MARKED WITH DRAWING NUMBER.
NO SPRING WASHERS OR NYLOC NUTS TO BE USED ON BEARING CONNECTIONS.
REMOVE ALL SHARP EDGES AND DEBURR HOLES.
CHUTE INSPECTION HATCHES TO OPEN HORIZONTALLY NOT VERTICALLY.
ALL STRUCTURES TO BE TRAIL ASSEMBLED IN THE WORKSHOP. (WHERE POSSIBLE).
HAND RAILING TO BE HOT DIPPED GALVANIZED.
GRATING TO BE FIXED TO STEEL WORK WITH HOLDING DOWN CLIPS INSTALLED FROM TOP THROUGH GRATING SHEAR PINS, CLAMPS AND SADDLES TO BE APPROVED BY ENGINEERING FOR OPEN GRID FLOORING.
ALL SLIP JOINTS ON HAND RAILING TO BE FASTENED WITH STANDARD GALVANIZED TAPER PINS, TO BE INSTALLED IN HORIZONTAL POSITIONS.
DRILLING: ALL HOLES TO BE DRILLED OR PROFILED AND NOT FLAME CUT.
ALL STRUCTURAL BOLTING HOLES TO BE Ø22 FOR M20 GRADE 8.8 BOLTS U.N.O.
ALL GUARDING PANELS ON HINGES TO OPEN HORIZONTALLY NOT VERTICALLY.
ALL CAT LADDERS TO BE CLOSED AT LOWEST ENTRANCE POINT WITH LOCKABLE SWING GATE.
ALL BEAMS AND BRACING CONNECTIONS SHALL HAVE A MINIMUM OF TWO M20 GRADE 8.8 BOLTS.
ALL BOLTS TO BE HOT DIPPED GALVANISED GRADE 8.8 - U.N.O
MATERIAL: EN10025-2 S355JR SECTIONS HOT ROLLED
HARDENED WASHERS TO BE USED WITH HIGH TENSILE BOLTS & H.S.F.G BOLTS
ALL SLOTTED HOLES TO HAVE MAKE USE OF SQUARE WASHERS WITH HIGH TENSILE BOLTS.
SHOP DETAILER TO ALLOW SUFFICIENT CLEARANCES FOR ERECTION PURPOSES.
GUARD MESH TO BE MENTIS FLATEX TYPE 348.
STRUCTURAL FABRICATOR TO SUPPLY SUITABLE PACKS UNDER COLUMN BASE PLATES FOR SITE LEVELING OF COLUMNS PRIOR TO GROUTING.
ALL STEEL REPAIRS OF GALVANIZED STEEL OR WELDING AFTER GALVANIZING TO REPAIRED WITH ZINC SPRAY.
ALL CONNECTIONS TO BE FULL STRENGTH TO SANS 10162 - Part 1 - Design of Steel Structures..
AT A MINIMUM HEAD AND TAIL PULLEYS ARE TO INCLUDE A NIP ANGLE , THIS ANGLE SHOULD BE 80x80x10EA U.N.O. AN ADJUSTMENT OF 40mm SHOULD BE ALLOWED FOR.
STANCHIONS AND HANDRAIL TO BE TUBULAR TYPE, MILD STEEL WITH 34mm OD AND 2.5 WALL THICKNESS. 1100mm ABOVE STEEL WITH KNEE RAIL.


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