Organizational Structure & Engineering Team
Led by competent professionals in industrial refrigeration and construction engineering, committed to ensuring the success of every project across Indonesia.
CORPORATE MANAGEMENT & STRUCTURE
Corporate Management Flowchart
PT Mizu One Konstruksi
PRESIDENT DIRECTOR
Ahmad Nasrokhin
Board of Directors
DIRECTOR
Achman Diharto
Board of Directors
OPERATIONS MANAGER
Azis Purnomo
Operations Management
SECRETARIAT
- Farkah Lestari Secretary
TECHNICAL ENGINEERING & DESIGN
- Joko Suwarno Estimator & Drafting
- Mukhammad Ridwan Estimator & Drafting
- Zaenul Estimator & Drafting
FINANCE & ADMINISTRATION
- Siti Nashiroh
- Agus Hartono
- Rustamji
- Widodo Ningsih
FIELD SUPERVISION & HSE
- Zaenul Arifin Project Lead / HSE Specialist
FIELD ENGINEERING & SUPERVISION
- Darmansyah Engineering & Logistics
- Sugiono Engineering & Logistics
- Hadi Kuntoro Engineering & Logistics
- Rochmatulloh Engineering & Logistics
* Corporate governance flowchart of PT Mizu One Konstruksi is updated periodically in accordance with Board of Directors Decrees.
EMPLOYMENT ROSTER
Complete Personnel Roster
List of responsible personnel and technical qualifications of PT Mizu One Konstruksi.
| NO | PERSONNEL NAME | STRUCTURAL POSITION | DIVISION / FIELD | TECHNICAL SKILLS & QUALIFICATIONS |
|---|---|---|---|---|
| 1 | Ahmad Nasrokhin | President Director | Board of Directors | Responsible for corporate governance, strategic policy direction, and legal regulatory compliance. |
| 2 | Achman Diharto | Director | Board of Directors | Operational oversight, legal compliance, strategic business contracts, and financial governance. |
| 3 | Azis Purnomo | Operations Manager | Operations Management | Lead engineer for cold storage & HVAC system design, supervising MEP engineering since 1999. |
| 4 | Farkah Lestari | Secretary | Secretariat | Management of corporate correspondence, company legal documentation, and board schedules. |
| 5 | Joko Suwarno | Estimator & Drafting | Technical Engineering & Design | Bill of quantities (BOQ) calculation, thermal load analysis, and 2D/3D CAD modeling. |
| 6 | Mukhammad Ridwan | Estimator & Drafting | Technical Engineering & Design | ME working drawing layouts, ammonia/freon piping systems, and as-built drawings. |
| 7 | Zaenul | Estimator & Drafting | Technical Engineering & Design | Ducting design, polyurethane insulation, and insulation panel requirement calculations. |
| 8 | Siti Nashiroh | Finance & Administration | Finance & Administration | Project financial administration, invoice control, billing, and project cashflow reports. |
| 9 | Agus Hartono | Finance & Administration | Finance & Administration | Corporate tax management (CIT/VAT), tax invoicing, and fiscal compliance reporting. |
| 10 | Rustamji | Finance & Administration | Finance & Administration | Warehouse logistics administration, material intake verification, and field dispatch coordination. |
| 11 | Widodo Ningsih | Finance & Administration | Finance & Administration | Archiving partnership contracts, labor compliance licensing, and tender legalities. |
| 12 | Zaenul Arifin | Project Lead / HSE Specialist | Field Supervision & HSE | Construction HSE Specialist, SMK3 implementation oversight, and MEP installation safety audits. |
| 13 | Darmansyah | Engineering & Logistics | Field Engineering & Supervision | Supervision of chiller, compressor, and condensing unit installation, and refrigeration system balancing. |
| 14 | Sugiono | Engineering & Logistics | Field Engineering & Supervision | High-pressure ammonia/freon pipe welding fabrication, hydrostatic pressure testing, and leak detection. |
| 15 | Hadi Kuntoro | Engineering & Logistics | Field Engineering & Supervision | Cold storage panel installation, hermetic sliding door assembly, and insulation structure erection. |
| 16 | Rochmatulloh | Engineering & Logistics | Field Engineering & Supervision | 3-phase electrical panel testing, digital thermostat controller calibration, and facility commissioning. |
