Crosby-Fiske-Forster Hand-Book of Fire Protection

Crosby-Fiske-Forster Hand-Book of Fire Protection

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...edges, the one in conical root to have edges turn down over raised edges of hatch. (b) Hatch to be located preferablypn southern side _of tank and must not be less than 20 X 24 iris., inside measure, in size. 11. Supports. (a) The weight of the tank must be supported entirely from its bottom; and in no event should any weig t come on bottom of staves. (Z7) There must be a clear space of at least i in. between bottom or outside of staves and balcony when used. (c) All steel grillage must be used to support tankas called for in 48a. (d) Tank must be securely fastened to trestle so that it will not be blown oFf when empty. 12. Discharge Pipe. (b) The size of discharge pipe should not ordinarily be less than 6 ins. In small equipments with a short run of pipe a 4-in. or 5-in. pipe may be used. For sizes 20,000 to 75,000 gals. inclusive an 8-in. pipe is suggested, and for sizes over 75,000 gals. a io-in. pipe. (c) The pipe should referably leave the tank bottom at its center. (ii) When the pipe drops vertically to the ground level the pipe must be supported on an underground elbow having a foot piece resting on a concrete foundation, and the elbow should preferably be flange-concreted to the underground pipe. If bell and spigot connection is used the joint should be strapped. 13. Filling Pipe. (0) Filling pipe must be at least 1l_i ins. diameter. (12) When tank is exposed to the weather, the pipe must be carried up inside the frost-proof casing and extend throulgh tank bottom to discharge at top of tank above water level. hcportion of _pipe inside tank must be brass. _The pipe may be run up outside of tanks located inside buildings. (0) Large tanks, particularly those located at some distance from the source of supply, may be filled through more

Product details

  • Paperback | 212 pages
  • 189 x 246 x 11mm | 386g
  • United States
  • English
  • black & white illustrations
  • 1236757998
  • 9781236757999