Trade & procurement
Assign pergola measurement responsibilities before ordering
Clarify measurement responsibilities between the customer, dealer, surveyor and design team, including datums, limitations and rechecks.

Separate quotation dimensions from manufacturing inputs
A customer's approximate patio dimensions can start a discussion without being sufficient for manufacture. Finished wall surfaces, ground levels, door movements and intended interfaces may remain unresolved. When forwarding a sketch, the dealer should state whether it supports a preliminary quotation or has undergone a site check so estimates do not become production inputs by accident.
Assign who visits, records, checks and approves information for manufacturing. Providing dimensions does not automatically confirm foundation capacity, electrical conditions or every building restriction. Those matters belong to their responsible reviewers rather than being hidden behind a form marked measured.
Hand over measurements with their context
Connect each important dimension to its drawing location, reference and site condition. A clear opening differs from an overall dimension, and finished flooring differs from an unfinished base. Photographs support context but cannot replace measurements with direction and datums. Label inaccessible areas as limitations instead of presenting an estimate as a measured value.
If renovation continues, record finishes or equipment positions that may change. Questions from the designer or manufacturer should return to the measurement owner rather than being answered with different numbers by intermediaries. Keep questions and confirmations linked to prevent assumptions that somebody else has already checked.

Use site changes to decide when to measure again
Suppose dimensions are approved and the patio then receives new paving and an outward-opening door. Plan width is unchanged, but clear height, door movement and lower enclosure interfaces may need review. A recheck should depend on changed design inputs, not only on whether somebody formally changed the order dimensions.
List recheck triggers such as finishes, post positions, wall surfaces and equipment movement. Record any discrepancy and its effects before the responsible people decide on a design or site change. Installers should not cut, drill or move connections merely to force existing parts to fit, potentially invalidating the approved arrangement.
Make open conditions visible at approval
Before manufacturing release, present confirmed dimensions, reference drawings and outstanding site conditions together. Resolve missing manufacturing inputs first; assign an owner and completion point to items legitimately deferred. State the approval scope so a signature does not imply that every unknown condition has disappeared.
Recheck relevant conditions before installation and retain the implemented record. Future accessory planning can then trace the original references and changes instead of guessing which photograph shows the final site. A clear handover gives each party an understandable basis for its decisions.
- Identify document purpose and measurement, checking and approval owners.
- Record datums, site conditions and unverified areas.
- Review changed conditions and check again before installation.
Does the customer's dimension sign-off remove the need for other site checks?
No. The sign-off means what its stated scope says; the customer may only be approving layout or supplied information. Interfaces, foundations, electrical conditions and site changes still need their assigned checks. Record what was confirmed and what remains open instead of loading every responsibility onto one signature.
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