Table 2 Characteristics of the 16...

Table 2

Characteristics of the 16 utility strike case studies

Case study number	Utility type	Excavation tool used	Cable/pipe encased in concrete	Statutory drawings available prior to excavation	Statutory drawings accurate	Cat and Gennya (or similar) used before excavation
1	Water	Diamond drill	No	Yes	Yes	No
2	E – LV	Mini digger	N/A	Yes	N/A	No
3	E – LV	Mini digger	Yes	Yes	Yes	Yes
4	Telecoms	Mini digger	No	Yes	Yes	N/A
5	E – LV	Mini digger	Yes	Yes	Yes	Yes
6	E – LV	Mini digger	No	Yes	N/A	Yes
7	Gas LP	Mini digger	Yes	Yes	No	Yes
8	E – LV	360 excavator	Yes	Yes	Yes	Yes
9	E – LV	Air-powered hand tool	Yes	Yes	No	Yes
10	E – LV	Air-powered hand tool	Yes	Yes	No	No
11	Gas HP	Mini digger	No	Yes	Yes	Yes
12	Gas LP	Mini digger	Yes	N/A	No	N/A
13	E – LV	Mini digger	Yes	Yes	No	Yes
14	Gas HP	Mini digger	Yes	Yes	No	Yes
15	Water	Mini digger	Yes	Yes	No	No
16	E – HV	Mini digger	Yes	Yes	No	No

Case study number	Utility type	Excavation tool used	Cable/pipe encased in concrete	Statutory drawings available prior to excavation	Statutory drawings accurate	Cat and Gennya (or similar) used before excavation
1	Water	Diamond drill	No	Yes	Yes	No
2	E – LV	Mini digger	N/A	Yes	N/A	No
3	E – LV	Mini digger	Yes	Yes	Yes	Yes
4	Telecoms	Mini digger	No	Yes	Yes	N/A
5	E – LV	Mini digger	Yes	Yes	Yes	Yes
6	E – LV	Mini digger	No	Yes	N/A	Yes
7	Gas LP	Mini digger	Yes	Yes	No	Yes
8	E – LV	360 excavator	Yes	Yes	Yes	Yes
9	E – LV	Air-powered hand tool	Yes	Yes	No	Yes
10	E – LV	Air-powered hand tool	Yes	Yes	No	No
11	Gas HP	Mini digger	No	Yes	Yes	Yes
12	Gas LP	Mini digger	Yes	N/A	No	N/A
13	E – LV	Mini digger	Yes	Yes	No	Yes
14	Gas HP	Mini digger	Yes	Yes	No	Yes
15	Water	Mini digger	Yes	Yes	No	No
16	E – HV	Mini digger	Yes	Yes	No	No

E – HV, electricity high voltage; E – LV, electricity low voltage; Gas HP, gas high pressure; Gas LP, gas low pressure

Cat and Genny (signal generator) (PAS 128:2014 (BSI, 2014), level 2 equivalent)

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