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Clear quantities and accountable site checks

Give every project decision a written reference

Construction is easier to manage when the drawings, quantities, specifications and site observations refer to the same scope. ARCH 360 can discuss site supervision, bill of quantities preparation and material coordination as defined parts of a project appointment. These services support decisions; they do not replace the responsibilities of the contractor or the professionals responsible for each design. Start by explaining the stage your project has reached. A site already under construction needs a different review from a project preparing its first tender. Bring the current drawings, scope documents and any unresolved questions so the next step can be defined.

Understand what a BOQ measures

A bill of quantities organises measurable work into items. Its usefulness depends on the information available and the stated measurement basis. Ask which drawings and revisions were used, which work sections are included and which items remain provisional. A BOQ is not automatically a final construction price: specifications, procurement conditions, site constraints and contractor allowances still matter. Changes to drawings can change quantities. Keep revisions linked so that an old quantity is not mistaken for the current requirement. If you are comparing contractor returns, check that each bidder has priced the same document and has explained qualifications rather than silently omitting difficult items.

Define the level of supervision

Site supervision can mean periodic visits, specific inspection appointments or a more involved attendance arrangement. The agreement must describe the actual service. Confirm visit frequency, notice needed for an inspection, the form of the report and the process for urgent queries. An occasional site visit is not continuous supervision. Ask how work is checked before it is concealed and who is responsible for requesting the inspection in time. The contractor should still organise safe work and competent execution. Structural, services and other specialist checks should be carried out by the appropriately responsible people, within clearly stated appointments and local requirements.

Approve materials before installation

A material record should identify the product, dimensions, finish, colour and accepted sample where relevant. Compare performance requirements as well as appearance. A tile, window or waterproofing product may look similar to another while requiring different preparation or installation. Review proposed substitutions before they arrive on site where possible. Record who approves them and what supporting information is needed. For visible finishes, samples should be reviewed under realistic lighting and beside adjacent materials. Keep approved references available to the site team so that procurement and installation do not depend on an informal phone conversation or an image without a product identity.

Use reports to close actions

A practical report records the visit date, areas reviewed, observations, photographs where helpful and actions requiring a response. Give each action an owner and a follow-up point. Separate completed work from work accepted after inspection. Keep questions about drawing interpretation linked to the relevant revision so the response can be used by everyone involved. At handover, preserve the final documents, material references and outstanding-action record. Contact the local ARCH 360 office with your project location, stage and available information to discuss a defined supervision or BOQ scope. Our construction and grey structure pages explain how these records fit into the wider building process.

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