Laser Surveys

Topographical Surveys, Land Surveys, Building Surveys And Underground Drainage Surveying

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A Practical Guide For Underground Services Location and CCTV Drainage Surveys

Quick Reference Guide

SERVICE	MATERIAL	GPR (1)	RADIODETECTION	ACOUSTIC	CCTV	SONDE
GAS	METAL PLASTIC PLASTIC WITH TRACE	* * *	* *
WATER	METAL PLASTIC PLASTIC WITH TRACE	* * *	* *	* 2 * 2 * 2
ELECTRIC	LOW VOLTAGE HIGH VOLTAGE	* *	* * 3
BT	COPPER CABLE FIBRE OPTIC	* *	4 4
DRAINAGE	VCP CONCRETE PLASTIC CAST IRON PITCH FIBRE	* * * * *	*		* * * * *	* * *
GULLY CONNECTIONS		*			*	* 5

1) GPR DOES NOT IDENTIFY THE SERVICE
2) FLOWING WATER THROUGH TAP OR HYDRANT REQUIRED
3) NOT TRACEABLE IF LOAD IS EQUALLY BALANCED
4) ILLEGAL TO LIFT BT COVERS
5) ONLY POSSIBLE IF ACCESS IS AVAILABLE THROUGH THE GULLY

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Last Updated Monday, August 8, 2005 16:30