Charles Machine Works Inc The 2450GR ユーザーズマニュアル
Prepare - 30
2450GR Operator’s Manual
Survey the Site
CMW
Survey the Site
Consider the following when preparing to work at a survey site:
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Gain permission to access pedestrian zones, interrupt traffic flow, etc.
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Determine site accessibility.
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Determine space available for cart.
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Observe traffic levels.
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Observe presence of parked cars.
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Observe presence of architectural obstacles.
Inspect Visually
Make a visual check of the site for signs of buried cables such as:
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recent trenching
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buried cable markers
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overhead lines that run down the pole and underground
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gas meters
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valve sights
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drains or manhole covers
Acquire Utility Maps
Various companies produce technical maps of existing utilities. While some maps may be very generic,
they are an important tool for gathering and interpreting data at the survey site. The maps provide general
schematics of the type and position of the utilities managed or constructed by those companies.
they are an important tool for gathering and interpreting data at the survey site. The maps provide general
schematics of the type and position of the utilities managed or constructed by those companies.
Request maps by contacting the utility’s cartographic or planning office. Specify the street names and
areas of interest. Request maps well in advance of the actual survey. Types of utilities to consider are:
areas of interest. Request maps well in advance of the actual survey. Types of utilities to consider are:
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public street lighting
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low, medium and high voltage electric cables
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water supply
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gas
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telephone cables
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sewers