STrOp · Learn
Practical knowledge for specialty contractors
Compliance, change management, project controls, and the data discipline that compounds across bids. Written for California specialty subs — owners, PMs, estimators, and the field.
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PCO vs CO — proposal versus executed change
A PCO is your priced ask. A CO is the executed contract amendment. Until the CO is signed, the work isn't billable on a pay app.
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RFI vs Change Event — when to file which
An RFI asks a question. A Change Event records an impact. Treating them the same is how recovery slips through the cracks.
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T&M tag — why the owner signature is everything
What a T&M tag is, what makes it legally enforceable, and what STrOp does when the signature is missing.
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See STrOp in action
Single-pipeline operations for California specialty contractors — bid through warranty.
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