Mechanical Contracting & Plumbing January-December 1909 . ect the pump for any purpose. ed byDaily. a Horse or Mule for a Short the sanitary conditions in prisons; andone of the cardinal points consideredhas been that of heating and venti-lating. Modern prisons are built in theform of cell wings, often radiatingfrom a central guardhouse. Each cellwing consists of a long building hav-ing windows on both sides, and thecell block in the middle. This cellblock runs the length of the building,and consists of rows of cells placedback to back so that all will be opentowards the light. The cells are b
Mechanical Contracting & Plumbing January-December 1909 . ect the pump for any purpose. ed byDaily. a Horse or Mule for a Short the sanitary conditions in prisons; andone of the cardinal points consideredhas been that of heating and venti-lating. Modern prisons are built in theform of cell wings, often radiatingfrom a central guardhouse. Each cellwing consists of a long building hav-ing windows on both sides, and thecell block in the middle. This cellblock runs the length of the building,and consists of rows of cells placedback to back so that all will be opentowards the light. The cells are built in tiers, 2, 3 and4, or more high. There is a wide cor-ridor for the use of the keepers, openfrom floor to roof and running thelength of the building on each sidebetween outside wals and cell there is a narrow utility corridorin the centre of the cell structure be-tween the backs of cells, to give accessto plumbing pipes, etc. To get an adequate supply of freshair into all parts of such a building,filled with men confined in cells hardly. Cross Section Through Cell Wing, Showing Heating and Ventilating July 1, 1909. PLUMBER AND STEAMFITTER large enough to stretch in, necessarily out through the roof; fresh air is thusrequires forced ventilation, and this is induced into the cells through the open being quite generally adopted. Thevitiated air is generally exhaustedfrom the top, and in some cases in- grated doors from keepers corridor. The air in this large open corridoris, therefore, not subject to contamina-tion and may safely be kept in circu-lation to maintain a fairly uniformtemperature for all the cell levels. To accomplish this, direct radiatorsof the flue type are placed along theside walls, and air is kept in circula-tion by fans blowing it from the topof the room down over radiators whichreheat it; thence it spreads over thefloor of corridor, and, in rising, part ofit is drawn into the cells, all gettingabout the same temperature. The method b
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