Ok here goes, but I’m surprised that WTD isn’t covered with drivers hours regs as all are relevant.
This is the most basic explanation of regulations I can find.
Basic Tachograph Rules.
Maximum Driving Hours:
-Driving before requiring a break, 4.5 hours
-Daily driving, 9 hours, extended to 10 hours 2 times a week.
-Weekly, 56 hours
-Fortnightly, 90 hours.
Breaks, Rests, Duty times.
-Minimum of 45 minutes break, before completing no more than 4.5 hours driving, can be split into a 15 minute and then 30 minute rest, but not the other way round.
-Driving period is re-set after completion of a 45 minute break. (which means you can drive up to another 4.5 hours, if it doesn’t exceed your daily driving limit)
-Daily Rest 11 hours, can be reduced to 9 hours 3 times a week.
-Maximum duty time13 hours, can be extended to 15 hours 3 times a week. (A duty time of more than 13 hours is also considered to be a reduced Daily Rest)
-Daily Rest can be split into 2 separate periods one must be of at least 8 hours and the other of at least 3 hours. (if done this way it doesn’t count as a reduced Daily Rest period)
-Minimum Weekly Rest 45 hours, can be reduced to a minimum of 24 hours every other week, but the remainder of the hours have to be made up by the end of the 4th week following the reduction.
-Maximum of 144 hours between weekly rest periods, (6 x 24 hours)
Double Manning:
-Drivers must have a 9 hours consecutive rest in a 30 hours period.
-Breaks can be taken when you are the Co-Driver, but Rest Periods cannot be taken in the truck whilst it’s moving.
-Therefore the maximum duty time is 21 hours.
Definitions:
-Duty time, Is the time between 2 daily rest periods or a daily rest and a weekly rest.
-Break, is a period of time when a driver is not doing any work, however it can be taken in a moving vehicle
-Rest, is an uninterrupted period where a driver can freely dispose of his time.
Tachograph Modes:
-Drive: Activated automatically when the vehicle moves
-Other Work: Use to record all work activity, this includes Daily checks and Re-fuelling.
-POA, Period of Availability used to record waiting times, when the duration of the wait is known,
-Rest: Use to record Rest or Break Periods.
Running over Hours.
-If due to unforeseen circumstances you run over your hours, write an explanation on the back of your Tachograph or on the back of a digital tachograph printout.
-Unforeseen Circumstances are on road events you could not reasonably expect to plan for, such as delays caused by: Accidents, Bad Weather, Mechanical Breakdown, Interruption for Ferry Services
Working Time Directive
-Average of 48 hours work a week
-Maximum of 60 hours work in a week:
-A working week start at 00:00 Monday
-Working time does not include; routine travel between home and their normal place of work. rest, breaks, Evening classes, day-release courses, Voluntary work or time spent as a Retained Fire Fighter, a Special Constable, or member of the Reserve Forces.
-Maximum of 10 hours work in a 24 hour period if doing night work.
-Any time worked between midnight and 4am is considered to be night work.
-Normal reference period 17 weeks,
-Reference period and night working hours can be extended by workforce agreement
-Statutory paid annual leave/sick leave cannot be used to reduce the average working time of a mobile worker. For each week of leave that is taken, 48 hours working time must be added to their working time; for each day’s leave, 8 hours must be added to working time.
-Records must be kept for 2 years
-Those who do few than 11 days driving under EU drivers hours regulations in a 17 week reference period are exempt from the Road Transport (Working Time) Regulations. This is increase to less than 16 days if the reference period is extended to 26 weeks.
-Workers should not work more than 6 consecutive hours without taking a break.
-A minimum 15 break must be taken within the first 6 hours work.
-If the daily working hours are between 6 to 9 hours then breaks totaling at least 30 minutes are required.
-Where working hours are more than 9 hours a day then breaks totaling a minimum of 45 minutes are required.
-Breaks should be at least 15 minutes in duration.
-If breaks are taken to comply with drivers hours regulations then these will also count as breaks for the WTD.
I know what your saying but your telling a NEWBIE who don’t seem to have a clue on any of the regs 
