make arrangements to do

make arrangements

To organize, plan, or prepare. Typically followed by "for (someone or something)" or "to (do something)." I will make arrangements for you two to meet this week. We're making arrangements to have the faulty equipment repaired next week. Please make arrangements for my sister. She'll be arriving in the morning.
See also: arrangement, make
Farlex Dictionary of Idioms.

make arrangements to do something

to plan to do something; to facilitate the doing of something. Please make arrangements to have all this stuff hauled away. We will make arrangements to be there on time.
See also: arrangement, make
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • arrangement
  • make arrangements
  • make arrangements for
  • make the arrangements
  • put (one's) affairs in order
  • plan ahead
  • plan on
  • have strings attached
  • jungled
  • jungled up