Figure 7. Severely decayed pole.
Figure 8. Pole with advanced decay pocket.
Figure 9. Pole with minor decay.
Section V gives criteria, instructions, and tables
for determining the serviceability of wood poles
with decay at the groundline.
for determining the serviceability of wood poles
with decay at the groundline.
4.5.POLE-TOPINSPECTIONS.-
4.5.1. Butt-treated cedar poles. -
Schedule inspections when performing
above-ground structure inspections, when
inspecting or performing maintenance at
the top of the structure, or when patrols
indicate a need for a more detailed
inspection.
Schedule inspections when performing
above-ground structure inspections, when
inspecting or performing maintenance at
the top of the structure, or when patrols
indicate a need for a more detailed
inspection.
4.5.2. Full-length treated fir poles. - Spot
check pole tops for decay at the time the
groundline or routine structure inspection is
made. When general pole-top deterioration
appears extensive, program a pole-top
treatment. Keep in mind that poles which
have been cut off after b'eatment are espe-
cially susceptible to decay.
check pole tops for decay at the time the
groundline or routine structure inspection is
made. When general pole-top deterioration
appears extensive, program a pole-top
treatment. Keep in mind that poles which
have been cut off after b'eatment are espe-
cially susceptible to decay.
Check for possible hazardous cracks, espe-
cially in line with drilled bolt holes. Check
all bolt holes for decayed wood; not any
white or untreated wood in checks and look
for shell rot, particularly on the weather side
of the structure. Note any other damage
cially in line with drilled bolt holes. Check
all bolt holes for decayed wood; not any
white or untreated wood in checks and look
for shell rot, particularly on the weather side
of the structure. Note any other damage
(FIST4-6)
8