Substation site execution management in Korea covers managing detailed work packages, requesting inspections after each stage, applying technical review opinions and adopting new technologies where useful. If construction management is the preparation before work starts, execution management is what keeps the site running to the design every day after it starts. This guide covers five stages: detailed schedule, permits, inspection requests, materials logistics and new technology.
Contents
- Common Pre-Work Review
- 1. Detailed Work Schedule
- 2. Permits and Notifications
- 3. Inspection Requests
- Inspection Guideline and Checklist
- 4. Materials and Equipment Logistics
- 5. Adopting New Technology
- FAQ
- Reference Standards
- Summary
Common Pre-Work Review
Review the Electric Technology Management Act, Electrical Construction Business Act, Electricity Business Act, the public contract acts for national and local government, the subcontracting fairness act, environmental and waste laws and the KEC — including their enforcement decrees and rules. Work from the contract documents, approved fabrication drawings, the method statement and the client-approved inspection guideline.
1. Detailed Work Schedule
- Break the work into detailed packages by discipline — contractor, client-supplied and contractor-supplied materials — from the contract documents.
- Review approved fabrication drawings, including drawings, installation plans and specifications, and build to them.
- Review other trades’ drawings and the overall work list to find clashes in advance.
2. Permits and Notifications
- Determine which works must be notified under the Electricity Business Act and related laws.
- Prepare the documents needed for construction plan notification.
- Notify the construction plan to the government or local authority.
3. Inspection Requests
- Manage each stage to confirm work matches the design.
- Check work at every stage — fabrication, assembly and installation — against the method statement.
- Carry out inspections following the site-specific inspection guideline.
- Request inspection with the construction criteria written into the checklist.
- Rework or otherwise correct anything not built to the design.
The contractor should know exactly which work items need inspection and when, so the program does not stall waiting for inspections.
Inspection Guideline and Checklist
| Item | Content |
|---|---|
| Inspection guideline | Work items to inspect, procedure, timing and frequency, checklist (site-specific, used after client approval) |
| Inspection checklist | Construction or acceptance criteria for each item and pass/fail judgment |
| Inspection request | Requested stage by stage with criteria written into the checklist |
| Non-conformance | Rework or other corrective action |
This summarizes the NCS considerations. Actual forms follow the client and supervision team.
4. Materials and Equipment Logistics
- Prepare a material supply plan from the material management plan.
- Prepare a labor plan that matches the site schedule.
- Prepare a plan for moving equipment in and out that suits site conditions.
5. Adopting New Technology
- Prepare a technical review of suitable new methods and submit it to the client.
- Assess technical and economic feasibility, including time and cost savings.
- Coordinate issues the new method creates with other trades.
- Document any issues the new method may cause in maintenance.
When reviewing new or special methods, use the site supervisor and, where needed, agree with the client to obtain outside expert advice.
FAQ
How does execution management differ from construction management?
Construction management centers on pre-construction design review, commencement and the method statement. Execution management centers on detailed packages, inspection requests, materials, labor and equipment, and new methods after work starts.
What goes on an inspection request?
The construction (acceptance) criteria for each checklist item, so the result can be judged pass or fail objectively.
What is needed to adopt a new technology?
A technical review showing feasibility — time and cost savings — plus issues with other trades and in maintenance, submitted to the client.
Reference Standards
- Electricity Business Act (전기사업법) — law.go.kr
- Electrical Safety Management Act (전기안전관리법) — law.go.kr
- Electric Technology Management Act (전력기술관리법) — law.go.kr
- Electrical Construction Business Act (전기공사업법) — law.go.kr
- Occupational Safety and Health Act (산업안전보건법) — law.go.kr
- Korea Electro-technical Code (KEC, 한국전기설비규정) — law.go.kr
- Technical Standards for Electrical Equipment (전기설비기술기준) — law.go.kr
- KEPCO design standards and substation construction practice; Korean Industrial Standards (KS)
- Act on Contracts to Which the State Is a Party (국가를 당사자로 하는 계약에 관한 법률) — law.go.kr
- Fair Transactions in Subcontracting Act (하도급거래 공정화에 관한 법률) — law.go.kr
- NCS competency unit Substation Site Execution Management (변전설비 시공관리, 1901070323_22v2; NCS is Korea’s National Competency Standards) — ncs.go.kr
Summary
The most common mistakes are not fixing in advance which items need inspection and when, so work stalls, and discovering clashes with other trades during construction. The detailed schedule depends on package breakdown and clash review; permits on scope and documents; inspections on checklists and criteria; and new methods on feasibility and maintenance review. Related guides: Substation Construction Management, Substation Inspection & Completion, Quality, Safety & Environmental Management. A Korean version of this guide is available here.
This article restructures the Korean NCS competency unit ‘Substation Site Execution Management’ (변전설비 시공관리, code 1901070323_22v2) as a practical reference. Actual work must follow applicable standards and the judgment of qualified professionals; always confirm specific values, deadlines and criteria against the latest regulations and client standards.
Written/reviewed by VOLT · Last updated 2026-10-26