Handbook for heating and ventilating engineers . Fig. 107b. 216 HEATING AND VENTILATION conduit with 8 inch brick walls covered with flat stones orhalved glazed tiles cemented to place to protect from sur-face leakage. The bottom of the conduit has supports builtin every 8 to 12 feet, and between these points the conduitdrains to the gravel. The usual rod and roller here serveas pipe supports. The pipe is covered with sectional cover-ing and the rest of the space may or may not be filled withwool or chips, as desired. L shows the sectional coveringomitted and the entire conduit filled with min
Handbook for heating and ventilating engineers . Fig. 107b. 216 HEATING AND VENTILATION conduit with 8 inch brick walls covered with flat stones orhalved glazed tiles cemented to place to protect from sur-face leakage. The bottom of the conduit has supports builtin every 8 to 12 feet, and between these points the conduitdrains to the gravel. The usual rod and roller here serveas pipe supports. The pipe is covered with sectional cover-ing and the rest of the space may or may not be filled withwool or chips, as desired. L shows the sectional coveringomitted and the entire conduit filled with mineral wool, hairfelt or asbestos, and ashes. M has the supporting rod builtinto the sides of the conduit and has the bottom of the con-duit bricked across and cemented to carry the leaks anddrainage to some distant point, y shows a concrete bot-tom with brick sides, having the pipe supported upon castiron standards. The latest conduit has concrete slabs forbottom and sides and has a reinforced concrete slab comes as near being permanent
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectventila, bookyear1913
