Mechanical Contracting & Plumbing January-December 1909 . d by Fan—System Designed by W. M. Mackay, New York, a Former Canadian, and Described in the Metal Worker. An unusually interesting system ofheating and ventilation has been in-stalled in St. Andrews Church, in West-mount, Montreal, located at Cote Road and Station Street. Itis notable for its simplicity and for anarrangement which obviates the heatlosses which might have been entailedif the original layout of the system hadprevailed. As now provided the sys-tem includes indirect steam radiationcapable of warming the building
Mechanical Contracting & Plumbing January-December 1909 . d by Fan—System Designed by W. M. Mackay, New York, a Former Canadian, and Described in the Metal Worker. An unusually interesting system ofheating and ventilation has been in-stalled in St. Andrews Church, in West-mount, Montreal, located at Cote Road and Station Street. Itis notable for its simplicity and for anarrangement which obviates the heatlosses which might have been entailedif the original layout of the system hadprevailed. As now provided the sys-tem includes indirect steam radiationcapable of warming the building in se-vere weather with gravity circulation,but augmented by a centrifugal fan,which insures a positive flow of. air attimes when the ventilation is para-mount or when quick warming may bedesired. The outflow of the air fromthe building is provided for by an ar-rangement of small air passages underthe floor of the auditorium, these pas-sages serving numerous small registersin the auditorium floor and communica-ting- with a large duct, which discharges. Side Elevation of Building. into a vent shaft warmed to a greateror less extent by an adjoining smokeflue. When the church is unoccupied aninternal circulation of air may be setup, openings towards the rear part ofthe auditorium in the floor communicat-ing with passages below and allowingthe air to recirculate through the indi-rect radiation, with or without the fanin operation. The general proportions of the build-ing and the requirements of the heatingsystem are indicated in the accompany-ing drawings and the photograph of theexterior. It will be noted that thedrawings include two different plans ofthe heating layout, one being the schemeas originally suggested and the otherbeing the arrangement of the heatingand ventilating engineer, W. M. Mac-kay, New York City. The church waserected from plans of Hutchison &Wood, Montreal, and the heating and ventilating plant was installed by Alex-ander Mackay & Co., Dorchester andSt. Mat
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