34 The arbitrator does not say, in terms, what it is which led him to the conclusion that the evidence did not support the claim that the timber installed was not dry dressed oregon. However it must be inferred, from his reasons, that what was said by him in par 14 thereof played some part in assisting him in arriving at this conclusion. There would otherwise have been no point in that paragraph. Consequently, it seems to me, the fact that, as he assumed to be the position, the dimensions of the timber used in the building were those of seasoned or "dry" timber rather than those of unseasoned or "green" timber was one of the factors which led him to conclude that the evidence did not support the claim that the timber installed was not dry dressed oregon. While it is true, as counsel for the respondent pointed out, that the arbitrator said that he had no evidence that the dimensions of the roof timber used were other than the dimensions required by the contract, rather than that the dimensions were those required by the contract, it seems to me, from what he said, that he inferred that the dimensions were those required and that he regarded this as being significant for the reasons earlier outlined. Had he mentioned to the parties that he considered these dimensions to be significant (as he should have done in circumstances in which he proposed to take them, and the standard to which he referred, into account and in which neither party had referred, at all, to this issue) the additional evidence to which I have referred would have been placed before him. How that would have affected his ultimate determination, if at all, is a matter for speculation but it cannot, in my opinion, be said with any confidence that it would have made no difference to the result.