Governance & Compliance
Clear principles. Guarded practice.
The organisational structure, code of conduct, policies, and service information of PT Bangun Tirta Medan — arranged so that customers, business partners, and all personnel can read them easily.
01 / Organisation Structure
Clear roles, guarded workflow.
The organisation chart describes the allocation of responsibility from the director down to operational units. Each function has a clear role and coordination line so that decisions, execution, and supervision move in the same direction.
Engineering, Maintenance & Testing
Estiyudo Listyadi- IT & SCADA Ulwan Zaidan
-
Maintenance
Roni Setiawan
- MechanicalNgadi
- ElectricalRoni Setiawan
- Laboratory & QC Agastyo P. S.
Operations & Production
Estiyudo Listyadi-
Water Treatment
Marchelly Z. A.
- WTP Unit OperationMarchelly Z. A.
- Waste ManagementMarchelly Z. A.
Resources & General Affairs
Estiyudo Listyadi- HRD Hardo T. S.
- GA Ulwan Zaidan
- Procurement & Warehouse Ulwan Zaidan
- PR / CS Marchelly Z. A.
The chart follows document POL-DIR-002 Rev. 0 dated 1 March 2026. Dashed lines indicate support functions that coordinate directly with the General Manager. Position adjustments may be made in accordance with management decisions and organisational needs.
3
Operational divisions
12
Work units and sub-units
2
General Manager support functions
02 / Code of Ethics
The TIRTA values in every decision.
The code of ethics is the code of conduct for all directors, employees, business partners, and subcontractors of PT Bangun Tirta Medan. Its content is aligned with the company's vision and mission, the TIRTA values, the integrated management system policy, and the Good Corporate Governance policy.
TIRTA
Trustworthy · Integrity · Environmentally friendly · Controlled · Safe
Trustworthy
We must
- Maintain water quality in accordance with requirements.
- Honour service commitments.
- Follow up customer complaints quickly and fairly.
We must not
- Manipulate test results or data.
- Promise things that cannot be delivered.
Integrity
We must
- Act honestly and transparently.
- Refuse and report bribes or gratuities.
- Disclose conflicts of interest.
We must not
- Give or accept bribes or gifts that influence decisions.
- Abuse one's position.
Environmentally friendly
We must
- Manage waste, chemicals, and resources in accordance with regulations.
- Conserve water and energy.
We must not
- Dispose of waste carelessly.
- Ignore potential pollution.
Controlled
We must
- Work in accordance with SOPs and work instructions.
- Record data accurately.
- Report deviations.
We must not
- Bypass procedures.
- Conceal errors or non-conformities.
Safe
We must
- Wear personal protective equipment (PPE).
- Report potential hazards.
- Stop unsafe work.
We must not
- Ignore OHS rules.
- Work in conditions that endanger oneself or others.
Ethics towards stakeholders
Customers
Providing equal service, clear information, and thorough complaint handling.
Government & regulators
Fulfilling permits and regulations, reporting data accurately, and cooperating during inspections.
Community & environment
Considering the impact of operational activities and communicating openly.
Partners & subcontractors
Selecting objectively and requiring them to comply with the code of ethics and OHS rules.
Fellow personnel
Mutual respect, without discrimination, harassment, or bullying.
Information & asset protection
- Safeguarding the confidentiality of customer data and internal company data.
- Using company assets only for company purposes.
- Not disseminating company information without authorisation.
Reporting & sanctions
Any suspected violation can be reported through the company's complaint channel. The reporter's identity is protected, and good-faith reporters are protected from retaliation.
- Violations are acted upon in accordance with company provisions and applicable regulations.
- Sanctions may range from a warning to termination of employment or cooperation.
Complaint channel & reporter protection
Reports of suspected violations are handled confidentially and objectively. Good-faith reporters will not suffer any detrimental treatment.
Submit a report through customer care
03 / Policies
Written commitments, lived every day.
Company policies serve as a shared reference for decision-making, risk management, customer service, and safeguarding the sustainability of the environment and the surrounding community.
Policy
Good Corporate Governance
PT Bangun Tirta Medan is committed to implementing good corporate governance in every clean water provision activity. We run our business transparently, accountably, responsibly, independently, and fairly, in order to maintain the trust of customers, government, the community, and all stakeholders.
Transparency
Important information is communicated openly, clearly, and on time.
Accountability
Each function has clear roles, responsibilities, and targets.
Responsibility
Business activities comply with regulations, environmental protection, and OHS.
Independence
Decisions are free from conflicts of interest and pressure from any party.
Fairness
The rights and interests of all parties are treated fairly.
Key commitments
- Rejecting all forms of bribery, gratuity, and abuse of authority.
- Managing conflicts of interest openly and not letting them influence decisions.
- Maintaining honest, accurate, and traceable records and reporting.
- Selecting and evaluating business partners and subcontractors objectively.
- Guaranteeing protection for any party that reports suspected violations in good faith.
Policy
Environment, Social, and Sustainability
PT Bangun Tirta Medan is committed to providing clean water sustainably: protecting the environment, benefiting people and the community, and running governance that is honest and responsible.
Environment
Protecting raw water sources, using water, energy, and chemicals efficiently, and managing waste in accordance with regulations.
Social
Guaranteeing occupational health and safety, treating personnel fairly, and maintaining good relations with the community.
Governance
Running the business transparently, accountably, free of bribery, and in compliance with regulations.
Monitoring indicators
- Environment: compliance with waste quality standards, energy and water consumption per unit of production, and water loss rate.
- Social: number of work accidents with a target of zero severe accidents, training hours per person, and complaint resolution rate.
- Governance: number of ethics or bribery violations, permit compliance, and follow-up on complaint reports.
Policy
Privacy & Personal Data Protection
We respect the privacy of every website visitor. This policy explains the personal data collected, the purposes of its use, and your rights, in accordance with Law No. 27 of 2022 on Personal Data Protection.
- Data from the contact form: name, email, phone number, and message content.
- Job application data: personal details, email, phone number, CV, and application documents.
- Technical data: IP address, device type, and pages visited.
- You have the right to access, correct, request deletion of data, and withdraw consent.
Management System
ISO Standards Implemented
PT Bangun Tirta Medan implements management systems based on ISO standards relevant to the company's operational activities.
ISO 9001Quality management
ISO 14001Environmental management
ISO 45001Occupational health & safety
ISO 37001Anti-bribery
ESG implementation on the ground
Sports equipment for Pondok Pesantren Daarut Tahfidz Simalungun
Funding support for the procurement of sports equipment for students, encouraging a healthy lifestyle, togetherness, discipline, and sportsmanship.
81st Indonesian Independence Day in Nagori Sei Mangkei
Participation in organising the series of events commemorating independence in Nagori Sei Mangkei, Bosar Maligas District.
28th Anniversary of SPBUN
Support for the activities of the Plantation Workers' Union on its 28th anniversary in the Sei Mangkei SEZ, as part of harmonious relations with stakeholders.
04 / FAQ
Frequently asked questions.
A summary of information on the WTP function, production capacity, water users, management systems, and how to contact and visit PT Bangun Tirta Medan.
01 What is the main function of the PT Bangun Tirta Medan WTP?
The Water Treatment Plant (WTP) of PT Bangun Tirta Medan treats raw water into treated water that meets the quality requirements in accordance with the established standards.
The treatment process is carried out through several stages: raw water intake, coagulation, flocculation, sedimentation, filtration, and then distribution to users.
02 What is the WTP production capacity?
The production capacity of the WTP is 250 litres per second, or equivalent to 900 cubic metres per hour.
03 Who are the users or customers of the treated water?
The treated water produced by the PT Bangun Tirta Medan WTP is allocated to PT Kawasan Industri Nusantara (KINRA).
04 Does PT Bangun Tirta Medan implement ISO-based management systems?
Yes. PT Bangun Tirta Medan implements management systems based on the ISO standards relevant to its operational activities:
- ISO 9001 — quality management.
- ISO 14001 — environmental management.
- ISO 45001 — occupational health and safety.
- ISO 37001 — anti-bribery.
05 How can I submit a complaint or feedback?
Complaints or feedback can be submitted through the company's official communication channels:
- Email: customercare@ptbtm.id
- Address: Jl. Crumb Rubber, Sei Mangkei Special Economic Zone, Bosar Maligas Village, Bosar Maligas District, Simalungun Regency, North Sumatra, 21183.
To speed up handling, please include your name or identity, the time of the incident, the type of complaint, the related location, and any supporting information. Every complaint will be followed up in accordance with the applicable service procedure.
06 How can I contact PT Bangun Tirta Medan?
PT Bangun Tirta Medan can be contacted through:
- Email: customercare@ptbtm.id
- Address: Jl. Crumb Rubber, Sei Mangkei Special Economic Zone, Bosar Maligas Village, Bosar Maligas District, Simalungun Regency, North Sumatra, 21183.
07 What is the procedure for visiting the WTP area?
Visits to the WTP area are carried out in accordance with the applicable security, occupational health and safety, and access control provisions.
Visitors must submit a visit request in advance to PT Bangun Tirta Medan and obtain approval before entering the WTP area. Requests can be submitted through the company's official communication channels.
Still have a question?
The customer care team will help direct your request to the right function.