This is an awarded contract.

View Live Tenders
Awarded contract

Design and Construction of Gas Chlorination Facility at Darwin River Dam

About

Power and Water Corporation awarded a contract to Alto Valves & Fittings Pty Ltd for the design and construction of a new gas chlorine dosing facility at Darwin River Dam, replacing an aging facility over 30 years old to meet current and future demand.

Insight

This contract reflects ongoing investment in critical water infrastructure to support regional growth and ensure compliance with health standards.

Value
$12,793,676.47
State
NT
Category
Water & Sanitation

Similar Open Tenders

Design and Construction of Murrayville Chlorinator Upgrade – Grampians Wimmera Mallee Water

Closes: 14 Oct 2026

Water & Sanitation

Design and Construction of Disinfection Upgrades – Shepparton Water Treatment Plant (Goulburn Valley Water)

Closes: 10 Nov 2026

Water & Sanitation

Design and Construct Contract for Kwinana Gas Power Generation 2 (220 MW open-cycle) — Clough for AGL Energy

Closes: 09 Jun 2027

Energy & Environment

Design & Construct Gundagai Water Treatment Plant — CCP Instrumentation, Integration and Optional Chemical Dosing Upgrade

Closes: 29 Oct 2026

Water & Sanitation

Darwin Ship Lift Project – Three Subcontracts Including Blast and Paint Facility Construction

Closes: 31 Dec 2027

Construction

Decommissioning of Nathalia Water Treatment Plant – Goulburn Valley Water

Closes: 29 Sep 2026

Water & Sanitation

Design and Construction Contractor for Southern Water Treatment Plant — Toowoomba Regional Council

Closes: 29 Sep 2026

Water & Sanitation

Design and Construction of Mapoon New Treated Water Reservoir – DLGWV

Closes: 07 Oct 2026

Water & Sanitation

Water Infrastructure Upgrades and Regulator Construction – Riverland (Berri Basin, Overland Corner, Gerard)

Closes: 12 Oct 2026

Water & Sanitation

Disinfection Safety Improvements at Toora Water Treatment Plant – South Gippsland Water

Closes: 06 Oct 2026

Water & Sanitation

Busselton Water Plant 8 Supply Improvement – Design and Construct

Closes: 04 Dec 2026

Water & Sanitation

Construction of Sludge Dewatering Facility at Burgowan Water Treatment Plant — Fraser Coast

Closes: 15 Oct 2026

Water & Sanitation

Other Similar Contracts

Value: $99,946

Supply and Delivery of Chlorination Unit at Manton Dam to Power and Water Corporation

Supplier: Alto Valves & Fittings

Water & Sanitation

Value: $602,140.83

Construction of Building Pad and Access Road for Darwin River Dam Chlorination Facility

Supplier: Colemans Contracting & Earthmoving Pty Ltd

Infrastructure

Value: $3,355,285.04

Design and Construction of Groundwater Chlorination Disinfection System for Power and Water Corporation

Supplier: Alto Valves & Fittings Pty Ltd

Water & Sanitation

Value: $4,384,244.72

Design and Construction of a New Chlorination Building in Batchelor, Darwin Region

Supplier: Mousellis and Sons Pty Ltd

Construction

Value: $70,752

Suction Valve Replacement at Darwin River Dam by Power and Water Corporation

Supplier: ALTO VALVES & FITTINGS PTY LTD

Water & Sanitation

Value: $21,610

Supply, Delivery and Installation of Chlorine Drum Upgrades at Darwin-Ludmilla Waste Water Treatment Plant

Supplier: WestWater NT

Water & Sanitation

Value: $27,761,811.29

Design and Construction of New Pump Station at Darwin River Dam by Power and Water Corporation

Supplier: McMahon Services Australia (NT) Pty Ltd

Water & Sanitation

Value: $1,888,834.97

Design and Construction of Flowmeters and Injection Points for Darwin River Dam

Supplier: Exact Contracting Pty Ltd

Water & Sanitation

Value: $122,474

Supply of Valves and Fittings for Darwin Water Infrastructure

Supplier: Alto Valves and Fittings

Water & Sanitation

Value: $2,065,783.94

Construction of Pump Station and Chlorine Buildings at Jenkins Road, Darwin

Supplier: MOUSELLIS AND SONS PTY LTD

Water & Sanitation

Value: $132,533.64

Supply, Delivery, and Installation of Chlorination System at Howard Springs Village

Supplier: JN Mousellis Civil Contractors Pty Ltd as The Trustee for JN Mousellis Family Trust

Water & Sanitation

Value: $266,362.1

Supply, Delivery and Installation of Improved Access Road and New Gantry Crane for Gas Chlorine Drum Lifting at Maningrida and Gunbalanya

Supplier: Fred NT Pty Ltd

Infrastructure

Live Feed

Tenders and contracts,
consolidated and enriched.

We pull tenders and awarded contracts from government portals around the clock. Each one is categorised, enriched, and searchable shortly after it's published.

Multiple portals, single feedAusTender, all state portals, Tenderlink, and more. Scraped, categorised, and enriched automatically.
Categorised and enrichedEvery tender and contract is tagged by category, agency, value, and region.
Updated around the clockNew opportunities appear within hours of being published. Never stale.

Smart Recommendations

Matched to your business,
automatically.

Our AI reads every new tender and contract, and recommends the ones relevant to your business in real time. No searching required.

AI and keyword matchingSemantic AI understands your business. Keyword alerts catch exact matches.
Delivered to your inboxNew matches emailed daily. Tenders, contract awards, and supplier wins.
Supplier and contract watchFollow any supplier or category. Get alerted when new contracts are awarded.

Your Dashboard

Configure once,
run on autopilot.

Set up your alerts, watchlists, and preferences from your dashboard. GovMarket works in the background so you can focus on winning work.

Custom alert profilesCreate up to 10 alert profiles.each with its own keywords, categories, and regions.
Competitor trackingAdd suppliers to your watchlist and monitor their wins across government.
Agency spend and pricingBenchmark pricing, track agency budgets, and understand where government spends.

GovMarket AI

Search tenders and contracts
in plain English.

Find tenders, look up suppliers, check who won contracts, and explore agency spend. Just type what you need.

Get Started

Win more government work.

Join suppliers across Australia using GovMarket to find and win contracts.

7 days free, then $49.99/AUD per month

You're In — Free Trial Activated

You now have full access to GovMarket Premium for 7 days. You’ll be charged at the end of the trial unless you cancel.

  • Tell Us What You Do — We'll surface the tenders that are most relevant to your business.

Not ready to trial?

See how GovMarket works and decide if it's a fit for your business.