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Great care must be exercised in making all the joints and fittings of the iron-work perfectly true and accurate, and every part must be brought to an equal anduniform bearing before the centreing or supports are removed, so that there shallbe no risk of any part being subjected to unequal or cross strains.

The whole of the iron must be submitted to such trials of its strength as theengineer may consider necessary, and the contractor must be at the expense of allthe means or apparatus required ; and should any part of the iron-work fail, or bedamaged, he must replace them by others fully capable of undergoing the trial.

The whole of the iron-work must be painted with 2 coats of paint, after itis erected.

For other particulars of materials and workmanship see “ General Stipu-lations.”