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.
3 of 47 articles in Changes tagged contract. Clear
Topicallchange-management4contract3recovery3change-event2pco2billing1change-order1co1field1rfi1signature1sov1t-and-m1tm-tickets1
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.
ChangesBillingchange-managementpcocobillingcontract
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.
Changeschange-managementrfichange-eventcontractrecovery
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.
FieldChangesfieldt-and-mchange-managementcontractsignature
See STrOp in action
Single-pipeline operations for California specialty contractors — bid through warranty.
Request beta access →