In plain English
FAR 52.247-20, Estimated Quantities or Weights for Evaluation of Offers, is a contract clause prescribed at FAR 47.207-6(c)(6), most recently dated Apr 1984. The complete official text is reproduced below, verbatim, from GSA's published FAR source files.
Its text contains no sentence requiring insertion into subcontracts; see the flowdown section below for what that does and does not mean.
Does it flow down to subcontracts?
No flowdown mandate found in the clause text
We scanned the full clause text and found no sentence directing the contractor to insert this clause into subcontracts. That is a statement about the text, not legal advice: a prime contractor may still flow terms down contractually, an agency supplement (DFARS, VAAR, …) may add requirements, and clauses listed below (if any) may order this clause into subcontracts from the outside.
Where it's prescribed
As prescribed in 47.207-6(c)(6), insert the following provision in solicitations for transportation or for transportation-related services when quantities or weights of shipments between each origin and destination are not known, stating estimated quantity or weight for each origin/destination pair:
Prescribing reference: FAR 47.207-6(c)(6).
The official text, verbatim
As prescribed in 47.207-6(c)(6), insert the following provision in solicitations for transportation or for transportation-related services when quantities or weights of shipments between each origin and destination are not known, stating estimated quantity or weight for each origin/destination pair:
Estimated Quantities or Weights for Evaluation of Offers (Apr 1984)
For the purpose of evaluating offers, and for no other purpose, the following estimated quantities or weights will be considered as the quantities or weights to be shipped between each origin and destination listed:
| Origin | Destination | Estimated Quantity or Weight |
|
____________ |
____________ |
____________ |
|
____________ |
____________ |
____________ |
|
____________ |
____________ |
____________ |
|
____________ |
____________ |
____________ |
(End of clause)