Every entry in the Defense records system exists because some decision needed a documented basis, and DD Form 2688 is one of those instruments: DD Form 2688, Building Elements Cost Worksheet, February 1994, created to Building Elements Cost Worksheet. The reason it carries a DD number rather than a service designation is structural — the Department maintains a single body of forms for matters that arise identically in every service, so that a record created in one component remains intelligible in another.
The practical effect of Department-level issue is interoperability. not stated establishes the requirement across the Defense enterprise; not stated keeps the document current for all of it. No service maintains its own variant, which means a completed record travels between components — service to agency, agency to joint command — and arrives in a format the receiving office already knows how to read.
Current edition: not stated, status not stated. Understand why that date is worth attention here. When the Department reissues a form, the replacement takes effect across every component simultaneously, so an older copy is not merely locally out of date — it is out of date in every office that might receive it.
Work down the page in the printed order, and understand why the order exists. The identifying block establishes whose record this is and under what circumstances it arises. The body of the form then answers questions that are only meaningful once that context is fixed. The signature block comes last because a certification signed before the entries are complete certifies nothing.
Check the edition date before you type anything, against not stated. Old blanks accumulate in shared drives for years, and the cost of one is not obvious until a reviewer cannot find a field. Because DD forms are revised centrally and replaced across the Department in a single action, there is no component still tolerating the old layout as a local practice.
Where a specific field is genuinely unclear, the instructions printed on the form come first and not stated governs where the two do not agree.
Download the form
Formats available: PDF, across 1 pages and about 102 fields.
All of it downloads without charge. Where care is needed is in the reader you choose. A fillable pdf depends on field properties that desktop applications honour and browser previews frequently ignore, so work locally rather than inside a browser window.
What the form asks for
- Baseline unit cost.
- Required unit cost (a).
- Exterior walls: description 1.
- Required unit cost multiplier.
- Common unit cost.
- Traded unit cost (b).
- Quantity.
- Subtotal cost (c).
- Sum of subtotals.
- Divided by building floor area (square feet).
- Extra cost per square foot.
- Press this Reset button to clear the data from all fields.
- 1. Project/building identification.
- 2. Date.
The completed form goes to the office named in not stated or in local implementing procedure, and it is worth keeping a copy before it goes. On a Department form the destination is frequently outside your own chain — another service, a defense agency, a joint staff — and recovering a document that has crossed an organizational boundary is a slower business than retrieving one from a file down the hall.
Cross-referenced documents are found by series and number, with nothing further required. That the DD sequence is unified across the Department means a cited number identifies one form and no other, which is the practical payoff of centralizing the numbering in the first place.
Where a service form is cited in the same instruction, the two numbering systems should not be read across. DA numbering belongs to the Army and is administered by an Army proponent; DD numbering belongs to the Department and is administered by not stated or an equivalent Department office. The systems developed separately and were never harmonized, so identical digits in each identify two documents with nothing in common. The prefix, not the number, tells you which system you are in.
Editions change for reasons that originate above the form itself. The prescribing directive is reissued and the form follows; the information the Department needs to collect changes and the fields change with it; the statutory notice language is amended and every form carrying that notice is republished. None of these events announces itself to the person who downloaded a copy last year, which is why confirming not stated at the moment of download is the only reliable check available to you.
A word on what this page is. It distributes a published Department of Defense document and describes what the document contains and how it is completed. It is not the issuing authority, does not speak for one, and offers no legal advice; nothing written here determines whether a particular submission will be accepted, because that determination belongs entirely to the office receiving it. Questions of applicability, eligibility or procedure go to not stated, to your servicing personnel office, or to the office identified in not stated.
Questions and answers
- What is DD Form 2688?
- DD Form 2688, Building Elements Cost Worksheet, February 1994
- Which edition is current?
- Not stated by the publisher
- Who is responsible for this form?
- Not stated
- In which formats can it be downloaded?