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Figure   2-6.   Attaching   Discharge   Hoseline   to   Pumping   Assembly.
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TM-10-3835-219-14 Hoseline Outfit Fuel Handling 4-Inch Diameter Manual
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Suspension of Hoseline
T M    1 0 - 3 8 3 5 - 2 1 9 - 14 2 - 8 .   R o a d w a y     C r o s s i n g     G u a r d     I n s t a l l a t i o n . a.    General   If   hoseline   must   be   laid   across   a   roadway   or   railroad,   hose   should   be   laid   under   an   existing   bridge or   through   an   existing   culvert.   Hose   may   be   pulled   through   culvert   using   a   rope   or   steel   fish   tape   with   hose   end covered   to   prevent   contamination.   If   no   bridge   or   culvert   is   available,   expedient   roadway   crossings   maybe constructed    using    roadway    crossing    guard.    Hoseline    must    never    be    buried    unprotected    because    weight    of    fill would   collapse   hose,   and   any   sharp   rocks   in   contact   with   hose   would   cause   a   puncture.   A   plank   should   be   nailed to   bottom   of   guard   for   greater   hose   protection.   Do   not   lay   hose   directly   in   trench   or   railbed   because   shifting   gravel will   gradually   damage   hose.   If   it   is   necessary   to   lay   hose   under   a   railroad   bed,   dig   a   tunnel   beneath   gravel   of   railbed and   nail   a   plank   to   bottom   of   guard. b.   Installing   Roadway  Crossing   Gua rd.  (figure   2-7)   Install   roadway   guard   as   follows: (1) (2) (3) (4) (5) Dig   a   trench   (1)   12   inches   (304.8   mm)   deep   across   road   or   railbed. C A U T I ON Remove   stones   and   sharp   rocks   from   trench   before   laying   hoseline.   Rocks   can cause    hoseline    damage    and    failure. If   hoseline   is   being   run   beneath   a   railroad   bed,   a   plank   (2)   must   be   placed   in   trench   before   laying   in hoseline   (3).   Planking   may   also   be   used   in   roadway   crossings. Lay   hoseline   (3)   in   trench   (1). Place   roadway   crossing   guard   (4)   in   position.   Nail   guard   to   plank   (2),   if   used. Backfill   trench   (5)   using   dirt   removed   in   step   a.   Do   not   put   any   stones   on   top   of   crossing   guard   (4).   Fill trench   (1)   to   a   level   1   to   2   inches   (25.4-50.8   mm)   above   original   roadbed   before   packing. Figure   2-7.   Installing   Roadway   Crossing   Guard. 2 - 2 5

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