Make Commercial Paint Preparation Measurable

Tie every preparation requirement to a location, substrate and observed condition. A sound scope distinguishes ordinary coating work from active water entry, structural repair, sealant design, rot, concrete repair or other specialist work. State what information bidders received and which conditions remain concealed. This prevents 'prepare as required' from becoming a catch-all that is impossible to price or verify. When the underlying issue is unresolved, list the investigation or owner decision needed before coating begins.

• Use the same location codes as the condition survey.
• Place excluded repairs beside the affected surface, not only in fine print.

Describe whether surfaces may contain dust, grease, salts, biological growth, loose material or other contamination, and ask bidders to state the proposed cleaning approach. Different spaces can require different containment, runoff, drying and occupant controls. Do not prescribe chemicals or disposal methods without current product and authority review. WorkSafeBC's paints-and-coatings guidance emphasizes that product hazards and exposure routes vary, so safety data sheets and the actual work process belong in the contractor's planning.

• Identify sensitive adjacent finishes and occupied areas.
• Ask how cleaning completion will be checked before preparation continues.

List the repair types included in the painting proposal, such as minor filling or patching, and identify work that requires another trade or a separate allowance. For loose or failed coating, ask how removal boundaries and sound edges will be determined and documented. Broad promises to remove all failing paint can hide different assumptions about extent. If disturbance may involve lead or another hazardous material, the hazard assessment and controls must be resolved before the method is accepted.

• Request unit prices only when the unit and included work are clear.
• Require written approval when a discovered condition expands the repair boundary.

For each substrate family, ask for the proposed preparation steps and the condition expected before primer or finish is applied. Relevant checks may include cleanliness, dryness, profile, adhesion or removal of loose material, but project-specific criteria should come from qualified review and current product documents. Establish a hold point when important prepared areas can be inspected and photographed before coating hides the surface. Avoid generic wording that cannot distinguish a wiped surface from a properly prepared one.

• Locate representative inspection areas in the written scope.
• Record who accepts preparation and how deficiencies are corrected.

Request the exact product family, primer, finish, sheen and colour reference proposed for each substrate and exposure. Ask for current technical data and safety data sheets, plus written confirmation of any substitution. Coat count alone is not a complete system because coverage, colour change, porosity and required dry-film properties can affect application. The proposal should state the basis for the system without turning product literature into an unsupported performance or lifespan promise.

• Keep product documents with the corresponding zone and substrate.
• Separate optional upgrades from the base coating system.

Choose a sample area that includes the relevant substrate, preparation and finish rather than only a small colour chip. Define who approves colour, sheen, texture and visible repair quality, and record the accepted sample with photographs and product references. A mockup can establish appearance expectations but does not prove concealed condition or long-term performance. If lighting or viewing distance affects acceptance, include those conditions in the record so later comparisons are consistent.

• Protect or clearly identify the accepted sample during the project.
• Document any approved variation between zones.

List inspection stages, touch-up expectations, cleaning, protection removal and final deficiency review. Require records of approved products, colours, changes, mockups and completed zones. When the work occurs in occupied areas, include daily handoff and reopening checks as part of quality control, not merely schedule coordination. At completion, retain leftover-label or colour information when supplied, maintenance instructions and the final location schedule so future repainting decisions begin with a reliable property record.

• Use a numbered deficiency log with responsible party and resolution date.
• Store final product and colour records with the property documents.