Ideally, someone takes charge as manager and divides up the work as they see fit. Rarely is it a good idea for an Aspie to be this person. On the other hand, what is easy for us is often hard for NTs--so quickly volunteer for what seems to be a reasonable amount of work for you to do in the allotted time. Let the NTs divide up the rest. Let the manager decide whether this is fair or not--that is his job, not yours.