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The order says who pays. You are reading that line, not arguing it. The rest of the approved change order sags a little at the crease where you folded it into your work vest pocket last Tuesday, coffee ring blurring the third line of scope additions. You tap the fine print below the cost breakdown one more time, matching the line item for extra concrete formwork to the scribbled note you jotted on your phone when the foreman called in the unmarked underground sewer line obstruction. No ambiguity here, just two clear cost lines that need to be cross-referenced before you log the entry.
Name the Two Tied Cost Lines
Every extra work cost ties back to two formal lines to eliminate confusion over allocation, and you name both explicitly on this page so no later reviewer has to hunt through half a dozen disjointed documents to connect the dots. The first line is the unforeseen subsurface condition allowance from your original project bid, the pool of funds set aside specifically for the exact type of hidden, site-specific issue you encountered here. The second line is the signed, approved change order for the work your crew completed to bypass the unmarked sewer line and rework the formwork to meet grade requirements. You compile both lines into a single table on this page, adding a third line to track remaining available funds from the original allowance for full transparency.

| Line ID | Line Description | Document Source | Stated Cost | Associated Scope Tag |
|---|---|---|---|---|
| 1 | Base Bid Unforeseen Subsurface Condition Allowance | 2024-03 Official Project Bid Packet | $15,000 | SCOPE-007 Site Prep |
| 2 | Approved Change Order #4 Extra Formwork + Sewer Bypass | 2024-05-12 Signed Client Change Order | $12,400 | SCOPE-007 Site Prep Addendum |
| 3 | Remaining Allowance Carryover | This Comparison Page | $2,600 | SCOPE-007 Site Prep |
Illustrative example: $12,400 for the extra formwork and sewer line bypass work required to keep the schedule on track, with no overage against the original allowance set aside for this exact type of issue. You double-check that both line descriptions match the exact wording used in their source documents, so there is no room for misinterpretation of which work each line covers. You do not add extra context or personal notes in the description fields, sticking only to the formal language used in the signed bid and change order to keep the record objective.
Mark the Controlling Cost Line
The controlling cost line is the one that dictates how funds are disbursed to vendors and logged in your project cost tracker, and you mark it clearly on this page to speed up processing and eliminate back-and-forth with your accounting team. In this case, the approved change order line is the controlling line, because it reflects the actual work completed, signed off by both your site superintendent and the client’s authorized point of contact. You grab your neon yellow highlighter and shade the entire second row of the table, then add a small asterisk directly to the left of the $12,400 cost figure. In the blank margin to the right of the table, you write the word “CONTROLS” in all caps, followed by today’s date, in fine-tip permanent marker so it cannot be erased or altered later. You do not cross out or obscure the original allowance line, because you need to keep that figure visible to track how much of the allocated allowance remains for other potential unforeseen site issues before the project wraps. You also add a small note below the table stating that the controlling line takes precedence over any verbal estimates or preliminary cost updates sent before the change order was signed, to formalize that hierarchy for anyone accessing this page later.
File This Comparison Page
You do not leave this page stacked on your desk, tucked into your work vest, or stored only on your personal work phone. You file it in two secure, accessible locations first, so all authorized project stakeholders can access it whenever they need to reference the cost breakdown for this work. First, you punch three holes along the left edge of the physical page and slip it into the change order tab of the official project binder, directly behind the signed hard copy of Change Order #4, so it is automatically linked to the source document whenever someone pulls the change order for review. Second, you scan the page as a high-resolution PDF and save it to the shared cloud folder for project cost documentation, naming the file exactly “2024-05-16 SCOPE-007 Cost Line Comparison” so it appears in search results for anyone looking up the date, scope tag, or change order cost records for this project. If you use Draw Jacket to track project cost documents, you attach the scanned file to the corresponding change order entry so it is linked directly to the work schedule and payroll entries for the week the work was completed. You then send a one-sentence message to your accounts payable lead letting them know the cost comparison is filed and the vendor invoice for the formwork crew is approved for processing per the marked controlling cost line.
Next Time You Open This Document
The only reason you open this specific page again is to update the remaining allowance carryover line if additional approved unforeseen subsurface work falls under the same SCOPE-007 tag before the project wraps. You never edit the existing two cost lines for the original allowance and completed change order work, because those figures are already confirmed, signed off, and processed, and altering them would break the formal paper trail for this work. If you need to allocate part or all of the remaining $2,600 allowance to a new approved change order under the same scope tag, you add a new row to the table for that cost, mark the allocation clearly, and add a new dated signature next to the entry to keep the approval trail intact. If the project wraps without any additional unforeseen work under SCOPE-007, you add a short note at the bottom of the page stating that the remaining allowance is being reallocated to the project’s general contingency fund, and add your initials and the date of that final update. You never use this page to log costs for work outside of the SCOPE-007 site prep scope, because that would muddle the clear comparison you built today and create confusion for anyone reviewing the project’s cost records after closeout. If you are looking for cost information for a different scope of work, you pull a separate comparison page for that specific tag, rather than adding unrelated entries to this one. You also avoid scribbling quick notes in the margins of the page after it is filed, because unmarked, undated notes can create unnecessary confusion about when cost updates were made and who approved them. If you need to add context to the page later, you add it as a formal, dated, signed entry at the bottom, so every update is tied to a specific person and timestamp.