Mechanical Contracting & Plumbing January-December 1909 . VP* Co* /^ioe far /9o//e/ Fig. 3.—Trench Plate and Section ofTrench. Vento Tempering Stacks. Furnish and install four stacks of tensections each (40 sections) of Vento 40inches high, set vertically as shown onplan No. 1. These stacks are to rest ona brick or iron platform. Vento Heating Stacks. Furnish and instal eight stacks, twodeep and three wide (48 sections) ofVento 60 inches high. These stacksto lie in a horizontal position and to besupported as shown in Figs. 4 and 5. Direct Radiators. The direct radiation shall consist oftwo 20-


Mechanical Contracting & Plumbing January-December 1909 . VP* Co* /^ioe far /9o//e/ Fig. 3.—Trench Plate and Section ofTrench. Vento Tempering Stacks. Furnish and install four stacks of tensections each (40 sections) of Vento 40inches high, set vertically as shown onplan No. 1. These stacks are to rest ona brick or iron platform. Vento Heating Stacks. Furnish and instal eight stacks, twodeep and three wide (48 sections) ofVento 60 inches high. These stacksto lie in a horizontal position and to besupported as shown in Figs. 4 and 5. Direct Radiators. The direct radiation shall consist oftwo 20-loop 38-inch 3-column cast ironsteam sections to be placed in the cdrri-dor as shown on plan No. 1. These tworadiators are to be installed withoutsteam inlet valves and without air air will discharge at the end of thesteam lines. Housing and Air Ducts. The housing for the tempering coilshall be of No. 18 black steel. The e7C. - fif-ch Don-n°] -n~t 4 rA-i


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