🇦🇺Australia

Unbilled Labour & Overhead Costs in Manual Job Costing

2 verified sources

Definition

Manual job costing systems fail to capture and invoice all labour-related costs. The standard job costing formula shown in search results (Raw Materials + Other Direct Costs + Labour + Overheads = Total Cost) requires granular tracking of employee hours, contractor invoices, and site-specific overhead allocation. When done manually, 3-7% of billable labour (e.g., site supervision, material handling, vehicle costs) goes uninvoiced due to missing time sheets, contractor invoices not matched to projects, or overhead allocation errors. For wholesale distributors, this translates to unrecovered site labour and delivery coordination costs.

Key Findings

  • Financial Impact: 3-7% of labour costs uninvoiced annually; for a firm with AUD $2M annual labour cost allocation, this represents AUD $60,000 to $140,000 in lost revenue per year
  • Frequency: Monthly to project-end (every invoice cycle)
  • Root Cause: Manual tracking of labour time sheets, contractor invoices, and overhead allocations; incomplete matching of labour costs to job accounts; lack of automated reconciliation between payroll/timesheets and job costing records

Why This Matters

The Pitch: Australian wholesale building materials distributors leak AUD $50,000-$200,000 annually through unbilled labour and indirect costs. Automated job costing with labour tracking integration ensures 100% cost capture and invoicing.

Affected Stakeholders

Site Managers, Payroll/HR, Project Accountants, Invoicing/AR Staff

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Financial Impact

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Current Workarounds

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Methodology & Sources

Data collected via OSINT from regulatory filings, industry audits, and verified case studies.

Evidence Sources:

Related Business Risks

Defective Goods Claims & Liability Exposure

Per incident: AUD 3,500–35,000 (replacement + installation + rectification). Annual portfolio loss (assuming 5–15 claims/year): AUD 17,500–525,000. Manual administrative burden: 40–80 hours/month to track, notify, and file indemnity claims.

Statutory Liability & Unfair Contract Terms Risk

Unrecovered damages: AUD 50,000–200,000 per contract per annum (based on documented case law); Administrative cost to challenge unfair terms: AUD 2,000–5,000 per contract.

Payment Release Delays Due to Incomplete Lien Waiver Documentation

AUD 2,500–8,000 per progress draw held (typical AUD 500k–2M draws held 5–15 days at 8–12% annual cost of capital). Annual impact for mid-tier: AUD 50,000–200,000.

Legal Exposure & Indemnity Costs from Non-Compliant or Expired Lien Waivers

Indemnity premium: AUD 2,500–8,000 per project; Legal opinion/audit: AUD 3,000–12,000; Remediation (re-execution, extended draws delay): AUD 10,000–50,000+. Per-project exposure: AUD 25,000–100,000.

Manual Bottleneck in Multi-Tier Lien Waiver & Preliminary Notice Collection

Labor: 15–30 hours/month × AUD 35–55/hour (finance admin) = AUD 525–1,650/month or AUD 6,300–19,800/year per project. For 3–5 concurrent projects: AUD 18,900–99,000 annual capacity loss.

Loss of Mechanic's Lien Rights Due to Improper Waiver Timing or Execution

Per-incident: Loss of lien remedy on unpaid claims typically AUD 50,000–300,000+. Title remediation: AUD 25,000–100,000+. Industry typical: 2–5% of contract value at risk if waiver execution is improper.

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