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Pre-Trip / Post-Trip Inspection Missing Alerts

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bbnk-1329
Original Poster

Good Afternoon Geotabbers,

 

Anyone have any recommendations on what is the most optimal way to set up these alerts? The default is Grace Period = 0 Seconds; Previous Trip Time Greater Than 8 Hours; Distance Travelled 1 mile.

 

We have a customer using these alerts but is too often receiving these alerts while the driver is still working his/her day. They do not require in-trip inspections. Therefore if the drivers are sitting for 8 or 9 hours on the same work day, they do not want these alerts to trigger.

 

I am assuming these alerts are only working off of the trips data and not the actual duty status Logs On, Off Etc.

 

 

 

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JoyB-1408

Hey, @bbnk-1329​!

 

The optimal setup is very much customer-dependent. What you want to get for the Previous Trip Time Greater Than section is a time that is longer than the shortest time that the customer's vehicles will be parked overnight but longer than the longest time that the vehicles will be parked during the day.

 

For example, let's say that a construction company has drivers that work shifts that run from 8 AM - 6 PM and can be parked at most for 8 hours in a day with travel time factored in. The vehicles will always be parked from 8 PM - 8 AM. So, this customer would need a time longer than 8 hours and shorter than 12 hours. 9 or 10 hours would probably be a good value for this customer.

 

The problem arises when a customer has vehicles that can be parked during the day as long as they are parked at night. Then this rule doesn't work.

 

Hope this helps you out a bit here, @bbnk-1329​. :)

 

Best,

Joy B

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postmelon-1566

Set both missing pre-trip and missing post-trip to greater than the MAX amount of time the driver will be in possession of their vehicle for the day (and also note what Joy said about Previous Trip Time Greater Than). For example, my customer had drivers working in the field for sometimes 12 hours a day, and only using the vehicle to get to the location and then leave the location with no trips in between. Since it was sitting with the engine off for 8+ hours during their work day, we were getting false positives (the rule was set to the default 8 hrs). Therefore we set our rules to reflect that 99% of drivers used the vehicle for 12 hours or less, aka the rules were set to +12 hrs each.

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bbnk-1329
Original Poster

Edited by bbnk-1329

Thanks @postmelon-1566​ very easy explanation to understand. I have set this customer at 14+ hours since they are pretty much in the same boat as yoru customer. They use the vehicle for up to 12 hours a day and really dont do any trips in between. Thanks for the response.

 

Also, is that Kirtland AFB in your backround? looks kinda like it. I was at Kirtland 08-10.

 

 

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postmelon-1566

No problem. As for the pic, I don't remember where I got it from - I didn't serve but I fly planes which is why I have a C-130 as my pic. I got the flying bug from touring a local airlift wing that flew a bunch of Hercules :)

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JoyB-1408

Hey Guys,

 

Question for you: if you set the time as greater than 12 hours, how do you not get false negatives if the drivers park and the vehicle isn't stationary for 12 hours at night?

 

Thanks,

Joy B

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postmelon-1566

@JoyB-1408​  Are you suggesting if there was multiple shifts (1 during the day, 1 at night) how would it work?

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bbnk-1329
Original Poster

Edited by bbnk-1329

@JoyB-1408​ I am starting to get the idea that this rule is not entirely perfect but more or less designed for general situations. Most of our customers have the vehicles sitting 8-10 hours over night. The one customer I have where this rule is not working well is an anomaly where the driver will start his day at 530 am, do a pre trip, drive to the location and then not drive the vehicle again until 6-7 at night.

 

I think I am in trial and error mode with this customer right now to find something that works.

 

 

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JoyB-1408

@postmelon-1566 - No, not multiple shifts. I believe that this still requires a pre-trip if drivers are slip-seating one right after the other. What I'm wondering about is if the same driver does a pre-trip, parks for 12 hours in a workday, drives back and lets the vehicle sit for 10 hours overnight, and then logs in again (or doesn't log out since he's the only one driving) the next morning when there hasn't been a 12-hour gap. Does that make more sense? (Trying to make sure I'm explaining it well enough. 😅)

 

@bbnk-1329 - Agreed. I think this works for "ideal" situations, but maybe not so much for the ones like I explained to @postmelon-1566 above... 🤔

 

Best,

Joy B

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postmelon-1566

@bbnk-1329​ I agree with your statement. It's not going to be perfect all the time, but it gives a good idea of who's doing their inspections and isn't.

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@JoyB-1408​ Correct, it's not going to work in that situation which is why these rules can be hard to set up correctly sometimes. Like I said to bbnk_461, it does give a good general overview of missing inspections. But if you wan't 100% accuracy all the time...that's not going to work - not even to a fault of Geotab. It's just hard to account for every single variable when attempting to determine the first start / last stop for a trip.

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JoyB-1408

Agreed. Thanks for your input on this one, @postmelon-1566​.

 

Best,

Joy B

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TonyFC-1053

FYI, in case anyone looking at this question hasn't seen this already: https://community.geotab.com/s/article/How-Does-the-DVIR-Pre-Trip-Rule-Work?language=en_US

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JoyB-1408

Thanks, Tony! :)

 

Best,

Joy B

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