Hi Joel!
I'll go down your list in order:
1. The base ID/IQ specifies hourly ceiling rates for each labor category. In the TO I'm referring to, the instructions were to provide FFP labor CLIN level pricing, inclusive of any ODCs. As an example:
CLIN 0001 FFP Service Support QTY (9.5) Unit (Month); no requirement to bid hourly rates.
2. In subsequent discussions, the contracting office explained that they would calculate the per hour cost based on the number of staff assigned to each CLIN to extrapolate an hourly rate.
3. See response to item 1.
4. See response to item 1.