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tion. It is fairly assumed that no one will attempt to make out a definite and detailed specification who is not himself competent to determine for any installation under consideration the best methods and system to be adopted and the kind and quality of materials and workmanship required by its purposes or by local conditions.
The outline given below is one that the t working author has often found convenient for outliueuse in checking a specification, or for reference in outlining the points to be taken up in detail in making up a specification.
In those cases where a formal specification is not required, as sometimes occurs in the case of a preliminary specification or a specification for a small isolated plant or wiring job, the necessary data for estimates and bids can often be easily and rapidly dictated, item by item, as suggested by these headings, with little liability of making any important omissions.