Due to the rear unit of 1L12 failing, you have had to make your way into the depot to collect your replacement unit, 156 916. Cold start the unit at Eastcroft depot then make your way into Nottingham station to form 2A96 to Derby. There is an included readme file with this scenario, feel free to take a look at that before playing the scenario.
There is also an included requirement list document, you can also scroll down this page to view them.

Requirements:

ARMSTRONG POWERHOUSE:

Class 37 Volume 1;
Class 37 Volume 2;
Class 43 MTU Enhancement;
Class 56 Enhancement;
Class 66 Enmhancement;
Class 67 Enhancement;
Class 156 DMU pack;
Class 158 Cummins;
Class 158 Perkins;
Class 170 Enhancement;
Class 220-222 Sound pack *NOT ESSENTIAL*;
Weather Enhancement;
BR Mk2 A-C Coaches;
BR Mk2 D-F Coaches.

ALAN THOMSON SIM:

Ex-LNER (EMR) HST reskin;
Ex-EMT (EMR) Class 158 reskin.

DTG/RSC:

Class 56;
Class 66;
Class 67;
Class 159;
Class 180.

JUST TRAINS:

Midland Mainline (DNL + all extensions);
Class 222 Meridian.

MAJOR WALES:

Class 156 EMR reskin;
Class 156 Ex-EMT (EMR) reskin;
Class 180 EMR reskin;
Class 180 Revamp.

THOMSON INTERACTIVE:

Class 170.