They have probably made a budget and use of proceeds together with the leading bank. The loan amount will correspond to that. Normal procedure. The leading bank will of course follow TRW:s progress closely.
Yeah and it also seems to be divided up in three different parts. I wonder of that affects how easy it is to use the money for SIAF.
Syndicated facility
Standby letter of credit https://www.investopedia.com/terms/s/standbyletterofcredit.asp it seems this cannot be used for capex. However it might provide the margin of safety that SIAFs management always fail to have. So it is quite good that the bank might be able to impose some discipline to the management of Tri-way.