4 on 4 off Shift Pattern

adewolves · 25 June 2015 at 11:18PM

Ok please bare with me on this as it's a bit long winded but driving me crazy. I work night shifts and do a 4 on 4 off shift pattern with one other guy, working nights doing 11 hour shifts...I get paid for the full 11 hours there's nothing taken off for breaks. My contract is for 40 hours per week and I'm paid on a monthly basis.

After doing these shifts for a couple of months my manager informs me I'm falling short by a few hours of my contracted 40 hours a week, in other words I'm not averaging 40 hours a week by doing the 4 on 4 off pattern, surely this isn't right. Over a 12 month period surely it would average out to 40 hours a week?

He then came up with the decision to give me 1 day shift during the month to make up for the shortfall...assuming there is one. That idea didn't last and now he has decided to put me on a 4 on 3 off shift pattern....but still only getting my 40 hours a week, surely this is over 40 hours. Its really getting me down now and want someone with knowledge of this type of thing to put me straight so I can put it to my manager.

My shift pattern is continuous as follows.

Monday work
Tuesday Work
Wednesday Work
Thursday Work
Friday Off
Saturday Off
Sunday Off
Monday Off
Tuesday on
Wednesday on......and so on

But now he's got me doing 4 on 3 off which doesn't seem right to me and surely over 40 hours.

Correct me if I'm wrong but I assume if I did 16 shifts in a month that averages to 4 shifts a week, 40 hours a week...well 44 in my case as I'm not deducted an hours break. Please any advice would be more than welcome, and if I am falling short on the 4 on 4 off pattern by how many hours a week would this be?

bsms1147 · 25 June 2015 at 11:27PM

4 on 4 off means you work half the year, or 365/2 (=182.5) days of the year.

If on each of those shifts you work 11 hours, that's 11x182.5 (=2007.5) hours a year.

Over the 52 weeks in a year, that averages 38.6 hours a week.

[Though if your 11 hour shifts only count for 10 hours(?) then your average per week is 35.1 hours]

adewolves · 26 June 2015 at 12:01AM

I do 11 hour shifts, so basically over a 12 month period I'm falling short of just 1.4 hours a week, or 5.6 per month Brilliant and thanks for that mate.

adewolves · 26 June 2015 at 12:15AM

Also if I was on 4 on 3 off how many hours per week over a 12 month period would that work out to?

chazsucks · 26 June 2015 at 12:34AM

4 days on 3 days off... I work out that it averages around 44 hours a week

fed_up_and_stressed · 26 June 2015 at 7:50AM

bsms1147 wrote: »

4 on 4 off means you work half the year, or 365/2 (=182.5) days of the year.

If on each of those shifts you work 11 hours, that's 11x182.5 (=2007.5) hours a year.

Over the 52 weeks in a year, that averages 38.6 hours a week.

[Though if your 11 hour shifts only count for 10 hours(?) then your average per week is 35.1 hours]

Don't forget holidays...

getmore4less · 26 June 2015 at 7:51AM

4 on 3 off is just a normal 7 day week. 44hrs

4 on 4 off works out as a 16 week cycle 14*4-4 shifts.

56d on 56d off over 112days.

3.5 days/38.5hrs per week average(12hr shifts is 42hr average).

(you can't use a full years as 16weeks does not fit into 52)

If they can't get the hours right then what holidays do you get?

specialboy · 26 June 2015 at 12:15PM

How does he propose to give you 4 on 3 off with only one other guy? I work permanent nights with one other person and we do 2 on, 3 off, 2 on and then 2 off, 3 on, 2 off. Works great for us as we get every other weekend off. Can you extend your shift by 25 mins to increase your hours?

specialboy · 26 June 2015 at 12:20PM

To simplify, at the moment you do 11 hours a night, that's 77 hours between you both per week so you work an average of 38.5 hours a week each and need to increase this somehow by 1.5 hours each.

mike3liz · 26 May 2016 at 5:24AM

Same type of question can anyone help..
We also work 4 on 4 off 12 hour shifts, we get paid for our lunch breaks and get 19.6 days annual holiday, how would you work out how many public/bank holidays we receive? we have been told instead of getting 6 day's public holiday's for 2016/17 they have calculated it as 50.53 hours which works out at 4 days 2 hours and 53 minutes, is this correct, should we not get 6 days @ 12 hours

Mark636 · 13 March 2018 at 10:51AM

Bank holidays are irrelevant. You are entitled to the same as any other employed person in the UK. This may or may not include bank holidays but will still remain the same regarding the number of days you are paid to take holiday. If you work a bank holiday, you have not taken the day off and therefore still have that day to use elsewhere. It does not make a difference, you MUST, BY LAW, be given the statutory 5.6 weeks a year. That's 5.6 x 1 day per week = 5.6 days paid holiday a year for someone working one day a week. 5.6 x 5 days per week = 28 days paid holiday per year. Both receive 5.6 weeks paid holiday, it just happens that the former is paid one day that week and latter, 5 days.
You are entitled to 5.6 weeks off paid . I calculate you working hours as:
4 on 4 off = working for 365/2 days per year = 182.5 days
182.5/52 weeks = 3.5096 hours worked per week average
3.5096 x 5.6 = 19.65 days paid leave per year
A bank holiday, like any other day of the year, can be used s one of those days. If you DO work a bank holiday then , like any other day of the year, you have not received paid leave for that day and therefore still have that day to use as holiday later on. I hope this makes sense. Essentially, my point is that this calculation is indeed correct

4 on 4 off Shift Pattern

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