City of Morgan Hill Public Safety Master Plan

TABLE 5-1: Average Response Times of First Arriving Unit, by Service Area and Call Type (Minutes)

MHFD

Call Type

Dispatch Turnout Travel

Total

Number of Calls

EMS

0.5

1.6

3.6

5.7

1,844

MVA

0.6

1.7

3.9

6.5

135

EMS Total

0.5

1.6

3.7

5.7

1,981

False alarm

0.7

1.9

3.9

6.5

180

Good intent

0.9

1.7

4.6

7.3

26

Hazard

0.8

1.9

4.5

7.2

71

Outside fire

0.8

1.9

3.9

6.7

47

0.8

1.9

4.5

7.2

245

Public service

Structure fire

1.1

2.2

2.1

5.3

3

Fire Total

0.8

1.9

4.3

7.0

572

0.6

1.0

7.5

9.1

5

Automatic aid

Total

0.5

1.7

3.8

6.0

2,558

SSCCFD

Call Type

Dispatch Turnout Travel

Total Number of Calls

EMS

0.7

1.7

6.1

8.5

731

MVA

1.0

2.3

6.0

9.3

264

EMS Total

0.8

1.9

6.0

8.7

995

False alarm

1.2

2.4

5.8

9.3

73

Good intent

1.1

2.4

7.5

11.0

36

Hazard

0.9

2.4

7.5

11.7

40

Outside fire

1.3

3.1

7.2

11.7

77

1.0

1.9

6.9

9.8

61

Public service

Structure fire

1.5

3.3

7.5

12.4

18

Fire Total

1.2

2.5

7.0

10.7

305

0.8

2.3

7.1

10.3

192

Automatic aid

Total

0.9

2.1

6.4

9.3

1,492

The 90th percentile measurement, often referred as a “fractile response,” is a more conservative and stricter measure of total response time. Most fire agencies are unable to meet the NFPA fractile response time standard (60 to 80 second turnout [EMS vs. fire] and 240-second travel time). Simply explained, for 90 percent of calls, the first unit arrives within a specified time. Table 5-2 shows the 90th percentile response times of CAL FIRE units for the various response categories.

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