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Laser Surveys Land, Building And Drainage Surveying
Home Land Survey Division Underground Services Division

 

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

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