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Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Person 1

1

1

1

1

1

-

-

Person 2

2

2

2

2

3

-

-

Person 3

3

3

3

3

-

-

-

Person 4

2

2

2

2

2

-

-

Person 5

2

2

2

2

2

-

-

Person 6

2

2

2

2

2

-

-

Schedule explanation

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The matrix above is one snapshot of how the six NOC employees work during the first week of the shift rotation. E.g. person 1 work shift one the first week, at the same time person 2 works shift two from Monday to Thursday and start working shift 3 on Friday. The second week of the shift rotation person 1 will work shift 2 from Monday to Thursday and start working shift 3 on Friday and person 2 will work shift 3 from Monday to Thursday. In other words each week the persons in the matrix are moved down one row and parson 6 is moved to the top of the matrix.
The reason person 3 is not working on Friday in the first week of the shift rotation has to do with Swedish working laws.
In theory the above shift could work with only 3 people.
"-" = person not working that day
Color red means that person is oncall, alarms and phonecalls will be directed to that person. Oncall starts when the last shift ends and is "active" until the first shift start working again. During weekends there is only oncall.

Benefits
This schedule only require 3 people to function, which leaves other NOC employees to go on training or work on project or other kinds of development.
Disadvantages
There is only active coverage between 07:00 to 19:00

Example 2

Shift for 6 people
Active coverage from 06:00 to 22:00, oncall the rest of the hours of the day

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Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Person 1

1

1

1

1

1

-

-

Person 2

2

2

2

2

2

-

-

Person 3

3

3

3

3

4

-

-

Person 4

4

4

4

4

-

-

-

Person 5

5

5

5

5

5

-

-

Person 6

5

5

5

5

5

-

-

For an explanation of the schedule see example 1.

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