Section 19: Internal inspection of Economiser Chamber : Detailed Instructions for the inspection of economisers are contained in Chapter XI of the Regulations. The following general procedure at inspection shall be observed, namely

(a) At a thorough inspection of an economiser, the Dy. Director shall, wherever possible, have either the steel casing doors opened or the brick work completely removed on the outside of the economiser chamber to enable him to make a thorough examination of the external surfaces of the tubes. But before doing so, he shall satisfy himself that proper provisions have been made to isolate the economiser on the gas side as will as on the water connections of the boiler and from any other working economiser.

(b) Should the Dy. Director find that the economiser has not been disconnected on the feed line or is not sufficiently sealed on the gas side or is unreasonably hot or not properly cleaned or sealed, he shall decline to proceed with inspection and report the facts to the Director for orders under sub-section (2) of section-

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(c) When an economiser chamber is of such a size or its construction is such that the Dy. Director cannot go inside it, reasonable, provisions shall then be made for the external examination of the principal parts. If for any reason the Dy.

Director cannot examine it, he shall report the facts to the Director for orders.