State of South Carolina · Department of Transportation

SCDOT Application Portfolio — BIA & Tiering Workbench

Demonstration — Synthetic data — Prepared by Concourse Tech
Portfolio inventory

SCEIS Interface Hub

Tier 1 — Critical

Nightly batch and near-real-time interfaces between SCDOT business systems and the statewide SAP ERP (SCEIS): general ledger postings, accounts payable, payroll cost distribution, and procurement documents.

ID: sceis-hub
Last BIA review: 2026-06-18
Business Owner
T. Boykin — Chief Financial Officer
Finance & Administration
Technical Owner
C. Mendes — Integration Services Lead
Hosting
On-Premises
State data center (DTO-hosted); interfaces to SCEIS SAP ECC
Platform / Vendor
Custom middleware (IBM MQ + custom adapters) to state SAP ERP
Data Classification
Confidential
User Base
System-to-system; Finance operations staff monitor 40+ interface jobs

Business Impact Assessment

Scored 1 (negligible) to 5 (severe) across the six impact categories from the Phase I BIA scope.

Public Safety1/5
Financial / Revenue5/5

All AP/payroll cost flows stop; vendor payments and payroll cost distribution fail statewide.

Federal Funding & Compliance4/5

Federal-aid cost coding breaks, contaminating FHWA billing downstream.

Operational Disruption4/5
Legal / Contractual3/5
Public-Facing Service1/5
Max impact: 5/5Disruption likelihood: 3/5Risk score: 15 (Severe)View on heat map →

Single MQ broker with no standby; adapter code has one remaining SME.

Recovery Objectives

Documented pre-BIA
MTD
48 hours
RTO
8 hours
RPO
15 minutes
Minimum availability
99.5%
Service window
Batch window 20:00–04:00 + business hours real-time

Workaround Feasibility

None

No manual alternative: SCEIS will not accept manual bulk postings at SCDOT volume; transactions queue until restored.

Dependencies

Systems, vendors, data feeds, infrastructure, and personnel this application depends on. Single points of failure are flagged.

DependencyTypeSPOFNotes
SCEIS SAP ECC (Dept. of Administration)System SPOFExternal state system; DOT has no influence on its DR
IBM MQ brokerInfrastructure SPOFSingle broker instance, no HA pair
Construction & Project Delivery SuiteSystemPayment voucher source
Highway Maintenance Management SystemSystemCost capture source

Tier Assignment Traceability

Financial score of 5 (R2) and shared-dependency uplift (R5): four downstream business systems depend on this hub for all ERP flows.

R2
Financial/revenue or operational disruption score = 5, or federal compliance = 5 with continuous (daily) obligations
Assign at least Tier 1
R5
Shared-dependency uplift: ≥ 4 Tier 0/1 applications list this system as a dependency
Uplift to at least Tier 1
View full tiering framework and criteria →