City of Cape Town
City of Cape Town — Urban Mobility MOCKUP · INTERNAL USE
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Monthly Indices Invoice Report
MASTER DATA · ROUTES & RATES · CITY

Cost Adjustment

Annexure C: each cost component is escalated by a weighted mix of the monthly indices. The month adjustment factor = Σ weight × (index this month ÷ index in the base month). These factors turn base rates into the month rates on every invoice.

1. Monthly Indices capture 2. Cost Adjustment factors

Month

Annexure C weights & month factors

Weights per component must add up to 100%. Changing weights needs a contract variation — edits are logged.

Linked data

Monthly IndicesInvoice ReportEvents InvoiceRoute Master

Base rates (Route Master / Invoice Report) × factor = month rate. The same factors price the Event Schedule.

Worked example

Base rate → month rate —

Cost adjustments — configurable list

Applied on top of index escalation
DescriptionLinked toValueEffective fromEffective toStatus
Diesel price movement pass-throughDiesel price+2.1%Aug 2026OngoingActive
SARPBAC wage settlement true-upSARPBAC+0.8%Jul 2026Dec 2026Active
Manual correction — Route 233 km rateManual–R 0.42/kmAug 2026Aug 2026Draft
Prime rate step-down pass-throughSA Prime rate–0.25%Apr 2026Jun 2026Expired