Sewerage And Sewage Treatment
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In our eReader you can find the full English version of the book. Read Sewerage And Sewage Treatment Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Sewerage And Sewage Treatment
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125.
Pipes above 24 to 27 inches in diameter are too large to be handled from the side of the trench. A hook as shown in Fig. 124 is placed in the pipe so that it will be in the proper position when lowered. It is raised by a rope passing through a block at the peak of a stiff-legged derrick which spans the trench, or by a crane. If a derrick is used the rope passes to a windlass on the opposite side of the trench from the pipe. Mechanical FIG. 124. Hook for Lowering and FIG. 125. Cradle for Pl...acing Placing Sewer Pipe. Sewer Pipe.
power may be used for raising pipes too heavy to be raised by hand. The pipe is then lowered and swung into position while sup- ported from the derrick. Excessive swinging is prevented by holding back on the guide rope as the pipe is raised and lowered. Pipes are usually laid with the bell end up grade as it is easier to fit the succeeding pipe into the bell so laid and to make the joint, particularly on steep grades. The Baltimore specifica- tions state: The ends of the pipe shall abut against each other in such a manner that there shall be no shoulder or unevenness of any kind along the inside of the bottom half of the sewer or drain.
What to read after Sewerage And Sewage Treatment?
You can find similar books in the "Read Also" column, or choose other free books by Harold E Harold Eaton Babbitt to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
125.
Pipes above 24 to 27 inches in diameter are too large to be handled from the side of the trench. A hook as shown in Fig. 124 is placed in the pipe so that it will be in the proper position when lowered. It is raised by a rope passing through a block at the peak of a stiff-legged derrick which spans the trench, or by a crane. If a derrick is used the rope passes to a windlass on the opposite side of the trench from the pipe. Mechanical FIG. 124. Hook for Lowering and FIG. 125. Cradle for Pl...acing Placing Sewer Pipe. Sewer Pipe.
power may be used for raising pipes too heavy to be raised by hand. The pipe is then lowered and swung into position while sup- ported from the derrick. Excessive swinging is prevented by holding back on the guide rope as the pipe is raised and lowered. Pipes are usually laid with the bell end up grade as it is easier to fit the succeeding pipe into the bell so laid and to make the joint, particularly on steep grades. The Baltimore specifica- tions state: The ends of the pipe shall abut against each other in such a manner that there shall be no shoulder or unevenness of any kind along the inside of the bottom half of the sewer or drain.
What to read after Sewerage And Sewage Treatment?
You can find similar books in the "Read Also" column, or choose other free books by Harold E Harold Eaton Babbitt to read onlineMoreLess
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