. Railroad structures and estimates . be 3 in. in the clear from end of stave with |-in. gain,accurately cut to uniform dimensions on one circle for all 1-in. dowel pins made of the same material as the stavesshould be furnished with each stave and the staves bored fordowels. TABLE 115. WATER DISCHARGE FROM TANK TO STANDPIPE 10 TelescophicStandpipe Discharge in Gallons per MinuteFrom Water Tank to StandpipeFor Various Supply pipes lOOO ft. Ig, 10RigidStandpipe c upply Pipe Supply Pipe ] 8 10 12 pi-£t: Top of Tank 8 10 12 SCO 1550 2500 Max: Height of Water - ■ 351 972 1700 260
. Railroad structures and estimates . be 3 in. in the clear from end of stave with |-in. gain,accurately cut to uniform dimensions on one circle for all 1-in. dowel pins made of the same material as the stavesshould be furnished with each stave and the staves bored fordowels. TABLE 115. WATER DISCHARGE FROM TANK TO STANDPIPE 10 TelescophicStandpipe Discharge in Gallons per MinuteFrom Water Tank to StandpipeFor Various Supply pipes lOOO ft. Ig, 10RigidStandpipe c upply Pipe Supply Pipe ] 8 10 12 pi-£t: Top of Tank 8 10 12 SCO 1550 2500 Max: Height of Water - ■ 351 972 1700 2600 855 1492 2402 13 34 1 943 1650 821 1434 2306 12 33 914 1600 2430 780 1377 2210 11 32 886 1550 2346 751 1319 2114 10 31 857 1500 2261 717 1262 2018 9 30 828 1450 2177 692 ia04 1922 8 29 800 1400 2092 658 1140 1820 7 28 772 1350 2008 623 1088 1730 6 27 743 1300 1923 588 1030 1034 5 26 714 1250 1828 554 973 1538 4 25 686 1200 1754 519 915 1442 3 24 657 1150 1669 485 858 1346 2 23 628 1100 1585 450 800 1250 1 22 600 1050 1500. 438 WOODEX ^sKS. The floor or bottom of tank is usually 3 in. thick of 8- to full length without spUcing and ever> joint machine-made. The planks should be joined by 1-in. dowel pins about30-in. centers. The hoop bands around the tank are usually flat., althoughround hoops are coming into general use and oval or half roundhoops are also used to some extent. The band iron lugs areusually fastened to the hoops by rivets or a single- or double-bolt cast lug connection is used. The hoop should be of wroughtiron rather than steel. The frame or tower for a wood tank is commonly a twelve-post structure of 12 X 12 timber braced according to height. Usually the tank is roofed over and the supply and dischargepipes are enclosed and insulated. In cold climates the tower ishoused in and a smaU stove is installed,, the stove pipe extendingup through the tank. In some cases the entire tank is housedin, as shown in Fig. 209. A tank w
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