Bombala and Adaminaby STP Chemical Dosing System Rectifications

### 💧 Tender Overview: Chemical Dosing System Rectifications The **Snowy Monaro Regional Council** is inviting tenders from qualified contractors for the rectification of chemical dosing systems at the **Bombala and Adaminaby Sewage Treatment Plants (STP)**. This project focuses on addressing ongoing leaks, material failures, and operational inefficiencies within the Sodium Hydroxide (Caustic) and Aluminium Sulphate (Alum) dosing infrastructure. #### 🛠 Scope of Work * **Rectification:** Repairing leaks and replacing non-fit-for-purpose materials in existing dosing systems. * **New Installation:** Full installation of a Caustic Dosing System in Adaminaby, connecting the storage tank to two Bioreactors, including all necessary electrical works. * **Design & Construct:** Successful bidders will operate under a design and construct contract, ensuring all materials are suitable for the unique alpine climate. * **Operational Requirements:** Standardisation of pumps (Prominent brand), electrical upgrades (IP56/IP68 compliance), and integration readiness for Council SCADA systems. #### 📋 Key Requirements * Proven expertise in water and sewage treatment plant construction. * Ability to manage project staging to accommodate the winter ski season in the alpine region. * Full compliance with all relevant safety and technical standards. #### 📅 Important Dates * **Tender Close:** 27 April 2026, 05:00 PM * **Expected Decision:** 18 May 2026 This opportunity is ideal for contractors specializing in **Water & Sewage infrastructure**, **Piping & Valves**, and **STP mechanical/electrical maintenance**. Interested parties should review the provided technical specifications and addenda regarding site inspections and specific dosing requirements.