Mix ID
Unique identifier for the mix design used across orders, tickets, test logs, and change notices to avoid ambiguity.
A well-documented mix specification reduces rework, aligns supplier and contractor expectations, and creates an auditable record for compliance with project contracts, building codes, and owner requirements. Clear mixes support consistent on-site placement, accurate testing, and measurable acceptance criteria.
The document is prepared by engineers, testing labs, or concrete suppliers and used by contractors, site supervisors, owners, and inspectors during procurement, placement, and acceptance.
Unique identifier for the mix design used across orders, tickets, test logs, and change notices to avoid ambiguity.
Specified compressive strength (psi or MPa), design age for testing (e.g., 28 days), and acceptance tolerances for strength tests.
Quantities of cement, coarse and fine aggregates, water-cement ratio, and admixture dosages per cubic yard or cubic meter.
Target slump range, air content target, and any flow or consistency limits required for placement methods.
Sampling frequency, cylinder or cube schedule, curing method, and reporting format for lab test results.
Site-specific placement notes (consolidation, lift thickness), curing method and duration, and temperature-related adjustments.
| Field | Configuration |
|---|---|
| Authoring | Engineer uploads design PDF or DOCX with versioned filename |
| Approval Order | Sequential: Engineer → Supplier QA → Contractor |
| Notifications | Email or SMS alerts on approvals and test result uploads |
| Record Storage | Save signed mix, tickets, and lab reports as PDF/A |
Use file formats and integrations that preserve numeric accuracy and metadata for test reports.
Confirm mix and materials at least 24–48 hours before scheduled pours.
Document slump and air content immediately at placement; record time and temperature.
Start curing per spec within one hour of casting to ensure valid strength results.
Issue 7- or 28-day strength reports promptly to support progressive acceptance.
Notify contracting parties within contractually specified notice period on failed tests.
Engineer issues approved mix and acceptance criteria for procurement.
Site verification of materials and batching procedures prior to pour.
Pour executed and samples taken for lab testing per schedule.
Lab results determine acceptance or trigger corrective measures and re-testing.
Project engineer issues an approved mix design to supplier and contractor.
A 28-day cylinder fails to meet design strength and the contractor contests test validity.
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