Cannonvale was amongst the hardest hit regions during Cyclone Debbie, so it was no surprise to Dowdens Pumping & Water Treatment's Proserpine Branch to hear Queensland Health had been advised they couldn't be guaranteed potable water supply to their Whitsunday Community Health Centre located in Cannonvale immediately after Cyclone Debbie.
Luckily Dowdens Pumping & Water Treatment's Head Office in Mackay had a portable Ultrafiltration Treatment System available, capable of supplying up to 70,000 litres of potable water per day. Queensland Health and the Whitsunday Community Health Centre in Cannonvale instructed Dowdens Pumping to supply/install the unit immediately on a temporary 'Hire' agreement in-case all mains water supply was lost.
There were two water sources available at the time - the mains water supply or bore water from the Proserpine Hospital. Queensland Health instructed Dowdens to connect the UF Treatment System to the bore water supply, in an effort to remain as self-sufficient as possible post-Cyclone Debbie.
Dowdens Pumping have previously completed numerous bore water filtration systems treating bore water with our own brand of PURION Iron Removal Filters, so this emergency UF Treatment System was quick and easy to install. PURION Iron Removal Filters pre-treat the bore water before running it through the Ultrafiltration System which then doses the filtrate with liquid chlorine to further disinfect.
Once treated Dowdens Pumping manually transported numerous loads of the potable water from the Proserpine Hospital (where the UF System was installed) directly to the Whitsunday Community Health Centre in Cannonvale, where it was stored in a potable water grade storage tank. The treated water was then used to supply the medical centre. The entire supply/installation and commissioning was successfully completed on Saturday 1st of April - only 4 days after Cyclone Debbie had hit.
If you are ever in need of potable water during a storm or emergency contact Dowdens Pumping & Water Treatment. Dowdens only require access to a reasonable source of water (bore, dam, creek) and power (generator or mains power) and we can guarantee same day potable water supply, in any situation!
Anglo American have engaged Dowdens Pumping & Water Treatment's [Mackay] Engineering Department & Fabrication Workshop to rectify an issue with a new valve station installation that was experiencing water hammer, resulting in the longwall mining operation being suspended at their Grasstree Coal Mine, located at Middlemount in the centre of the Bowen Basin, QLD.
Underground mines require water management systems in place to manage working water that is utilised for production, dust suppression, hydraulic jacks etc. Mines employ various methods of underground water transportation systems including Longwall Boost Pump Stations & filtered water from the mine surface networks. The filtered water system is an important piece of infrastructure for underground coal mine providing clean water for dust suppression & feeding the powerful hydraulic piston pumps that are used to jack up the roof in the longwall mining process.
When water is fed into an underground mine it is received at a very high pressures due to the vertical drop to the mine workings. This pressure needs to be reduced & controlled to levels that can be safely managed in the underground operations. Dowdens Pumping & Water Treatment has provided Grasstree Coal Mine with several Pressure Reducing Valve Stations over the life of the mine, enabling reliable & trouble free operation.
Responding to the urgent help request from Grasstree Mine, Dowdens immediately travelled to site to undertake system 'fault finding' & begin planning the delivery of a timely & cost effective solution to the problem.
As a direct result of Dowdens Pumping & Water Treatment's long standing & responsive working relationship with Anglo American's Grasstree underground coal mine, the Dowdens Engineering Department was called on to assist with a new valve station installation that was experiencing water hammer resulting in the longwall mining operation being suspended. Dowdens Engineers attended the mine site & listened/observed the problems that were being experienced such as pressure surges & water hammer in the feed pipes leading to the longwall operation.
Dowdens Engineering Dept. designed & developed a Pressure Setting Spool sized specifically to meet the specific duty required. The spool was custom designed using engineered fluid mechanics to reduce the pressure before it entered the valve station, taking part of the load off the station. Pipe supports were also engineered to provide a secure installation of the station.
The timeline to find the solution & manufacture the components was very tight. Engineering - Concept Design - Drawings & In-House Fabrication of the unique Pressure Setting Spool Piece [with roof bolt anchoring points] were completed & delivered to Grasstree Mine within 5 days from the first site meeting! No other pumping / manufacturing / engineering firm in Queensland was able to deliver such an all-encompassing product solution in the above mentioned time-frame.
Dowdens design philosophy for this project was: Fast Turnaround - Cost Effectiveness - Ease of Installation - Simple Plant Operation - Plant Reliability & Reduced Maintenance.
The unique system required at Grasstree Coal Mine needed to address the following issues:
Key Project Features:
Grundfos has long been regarded for their high quality and reliable pumps. The Grundfos SCALA2 takes design innovation, comfort and simplicity to the next level and is set to be a game changer in domestic boosting. The NEW Grundfos SCALA2 is a robust, fully integrated, self-priming pump suitable for use from both above and below ground water sources. The compact system features a pump, motor, tank, sensor, drive and non-return valve in one compact unit that is quick and easy to install.
The SCALA2 is an energy efficient pump featuring an integrated speed controller that ensures constant water pressure regardless of variations in demand or inlet pressure. For those living in areas of poor power supply or those that are sometime affected by power outages, the SCALA2 can also be run on a generator, due to its ability to be able to handle varying voltages.
The variable speed controller also matches the power consumption with the required water output, which also helps to conserve energy and reduce your energy bills. To protect the pump and help ensure a long life, the SCALA2 includes a range of protective features. Dry run protection automatically stops operation when the water source runs out, to help prevent damage, and the anti-cycling feature detects any unnatural cycling and alerts the user via the protection indicator on the control panel.
Another unique benefit of the SCALA2 is its quiet operation, thanks to the permanent magnet motor and water cooling technology. The high efficiency motor is significantly quieter than traditional speed-controlled motors and the SCALA2 is cooled by the water it pumps, eliminating the need for a noisy fan. This makes the SCALA2 one of the quietest domestic boosting pumps currently available on the market.
For ease of selection, the SCALA2 suits most domestic pressure boosting applications and is capable of supplying water for small single level homes up to larger multi-storey homes.
Dowdens Pumping & Water Treatment's Rockhampton branch were engaged by local beef cattle graziers Lance and Colleen Sypher (located in Alpha, QLD) to deliver a unique surface mounted Solar Array and Pump Float to supply onsite dam water to both their residence and the property's many cattle watering troughs.
Lance and Colleen Sypher approached Dowdens Rockhampton seeking a design for a solar pumping system with the ability to float on their dam, eliminating the need for any power cables or pump modules to be placed on the bank as is the case with traditional dam solar pumping systems. Having the unit completely isolated (floating) on the surface of the dam would remove the potential for the pumping unit sustaining damage from cattle walking along the edge of the dam. Cattle are known to cause damage to solar pump modules (in particular the associated power cables) that are situated on the edge of dams.
The innovative solar pumping unit design that Dowdens developed needed to meet a required flow rate (during the summer months on average the pumps required duty is 25,000 L/day @ 10m total head). Part of this new design incorporated the solar arrays being installed level with the dams surface, the main advantage of this design feature means the pumps power supply is not affected if the floating pontoon swings or floats across the dam. Having the solar arrays set at an angle, as is found on most traditional solar pumping units, would mean the pontoon would need be to be anchored to the floor of the dam (to avoid any rotation away from direct sun), thereby substantially increasing the overall cost of this project. Angled arrays would have also increased the potential for the arrays to catch any high winds, potentially flipping the unit over into the dam.
Dowdens Pumping & Water Treatment's Rockhampton branch specialises in the design, manufacture and installation of innovative customised Solar Pumping systems for the commercial, agriculture and mining sectors of Central Queensland and the greater Capricorn Coast regions.
The final design incorporated a Mono Pumps 600 Watt SUN-RAY SRX Solar Pump due to it's highly efficient, self-priming helical rotor pump. The pontoon has been designed in a way that it can accommodate a wide range of solar pumping units, making it customisable for whatever site requirements are presented. Dowdens believe this is the first time any pump shop has mounted both the solar arrays and pump unit on a float for this application. Having the solar pump operating independently saves the customer spending time and money travelling to and from the dam each day to switch on the pump.
The entire solar pump float system was designed, manufactured, installed and commissioned on time and within budget. Dowdens Pumping & Water Treatment's Rockhampton branches design philosophy for this project was: Cost Effectiveness - Innovation - Ease of Installation - Simple & Effective Pump Operation - System Reliability & Reduced Ongoing Maintenance.
Dowdens Pumping Rockhampton's Unique Solar Pump Float - Key Components:
Here are two videos taken from the latest series of 'Irrigation Efficiency' Case Studies produced by the Dowdens Pumping & Water Treatment Agriculture Department.
The first video illustrates the remarkable energy and water use savings that have resulted from a Valley Polyline Pivot installation at Tony Bugeja's local Mackay Sugar Cane Farm located in Homebush, QLD.
The second video illustrates the considerable energy and water use savings that have resulted from a Variable Speed Drive Irrisys irrigation system working in conjunction with a Valley Centre Pivot and Davey pump on John Fox's 300ha Sugar Cane Farm located in Wagoora, QLD.
Racecourse Projects recently engaged Dowdens Pumping & Water Treatment's Mackay 'Infield Service Crew' to undertake emergency repairs to a damaged Valley Irrigation Centre Pivot Irrigator at their Sugar Cane Farm located in Marwood, QLD.
This project began, like most emergency repair jobs do with an unexpected call from our customer. Racecourse Projects rang the Dowdens Pumping Agricultural Sales Team to inform them a Cane Haul-Out Truck had struck the first span of their Valley Centre Pivot. The pivot was now hanging precariously and needed to be repaired immediately. Daryn Gray (Dowdens - Industrial Workshop [Engineering Support]) and Brett Hayes (Dowdens - Agricultural Sales) promptly attended the Marwood site and assessed the pivot. Dowdens advised the pivot needed to be supported or it may have collapsed further. Straightaway the Dowdens 'Infield Service Crew' were onsite to elevate and secure the damaged span.
After speaking directly with the manufacturer of the damaged Valley Centre Pivot (Valmont Industries - Australia) Dowdens confirmed with Racecourse Projects there were no suitable spans for that machine currently available anywhere in Australia. This meant repairs needed to be undertaken promptly before the machine potentially collapsed completely - making any further repair work impossible. Dowdens then promptly engaged a local subcontractor to work alongside the Dowdens 'Infield Service Crew' repairing the machine in situ (whilst still suspended in the air). As the repairs had to be effected whilst the machine was still standing, this required coordination between 2 cranes and a telehandler forklift, along with a man box (attached to the all terrain telehandler) for 2 men to carry out the repairs. All the repairs and commissioning of the irrigator were successfully completed within 2 days of the accident!
Dowdens Pumping & Water Treatment [Mackay] are the sole authorised Valley Irrigation Master Dealers for the Mackay / Whitsunday region enabling access to the best possible pricing and product support, an unmatched range of spare parts & fast-turnaround repairs for all of our customers irrigators.
Dowdens Pumping & Water Treatment's methodology for the Racecourse Projects Centre Pivot Irrigator Repair was: Fast Response Time - Cost Effectiveness - Fast Turnaround Servicing - Ease of Installation - Limiting Product Downtime - Enable Farming to Continue as per normal whilst the Dowdens 'Infield Service Crew' was onsite.
For over 40 years Dowdens Pumping & Water Treatment have been selling & servicing irrigation products throughout Central & Northern Queensland - designing each and every system to improve farming efficiencies, reduce downtime and increase the longevity of pumps / irrigators. As a company that has built its foundation on the servicing and development of agricultural pumping systems, Dowdens Pumping and Water Treatment have the experience to engineer a solution to suit any agricultural application.
The entire project was overseen and managed by the Dowdens Pumping & Water Treatment [Mackay] Agricultural Sales Team. The Dowdens Mackay-Whitsunday Agricultural Irrigation Team of Glenn Agnew, Brett Hayes, Jeff Roberts, Kevin Krog, Mike Sanderson, Eileen Mason and Nathan Cross are one of the most experienced Ag sales teams in Australia, with over 125 years of combined irrigation system design and operational experience between them.
"I just wanted to say thank you to Dowdens Pumping & Water Treatment Mackay for the prompt and painless way in which you managed our irrigator repairs. Your co-ordination between your maintenance team, the contractors and insurance people has been seamless. The way in which this matter was able to be dealt with and resolved so quickly is greatly appreciated."
Dowdens Pumping and Water Treatment are proud to announce that global pump manufacturing giant PSG Dover has awarded them the sole Queensland and Northern Territory importation and distribution rights for their Wilden Double Diaphragm pumps, Griswold & System One Centrifugal pumps, and Abaque Peristaltic pumps and products for the manufacturing, industrial and mining markets.
"Wilden is proud to officially add Dowdens Pumping and Water Treatment as its authorised distributor in Queensland and the Northern Territory, Australia. Dowdens is a true expert in the region and provides exceptional solutions to its customers. We are looking forward to a long-term partnership with Dowdens for many years to come!"
For many years now Dowdens Pumping and Water Treatment have been popular suppliers and repair agents of Wilden pumps to the manufacturing, industrial and mining markets here in Queensland, and now in partnership with Wilden, System One, Griswold and Abaque Dowdens have the ability to deliver complete and specialised long-term engineered solutions that are practical and innovative, ensuring clients benefit from greater productivity and reduced downtime.
"The current market has dictated that mines in Queensland need to dramatically reduce the cost of production to stay viable. Our range of PSG pumping solutions is enabling businesses to increase their levels of efficiency when it comes to dewatering, processing and fluid transfer."
"The Dowdens and PSG partnership is a positive move for the industry. The PSG products, coupled with the superior level of engineering expertise at Dowdens allows us to provide innovative, efficient and quality solutions to all areas of industry and mining, which in turn will allow businesses to reduce their cost of production. The PSG products are market leaders in coal/hard rock, oil/gas, water/wastewater, hygienic, chemical, military, paints/coatings and transport industries and Dowdens Pumping and Water Treatment are proud to be associated with them."
Sales Manager from Dowdens Pumping and Water Treatment
Recently Wilden announced that its revolutionary Pro-Flo SHIFT range of air-operated double-diaphragm (AODD) pumps had been recognised as a 2013 Breakthrough Product of the Year from Processing Magazine. This award acknowledges products, technologies and service solutions that made significant contributions in the process industry within the last year and are expected to have an impact for years to come.
The new Wilden Pro-Flo SHIFT represents a significant breakthrough in energy efficiency within the AODD pump category. Due to its revolutionary design, the patent-pending Pro-Flo SHIFT Air Distribution System (ADS) allows Wilden AODD pumps to achieve up to a 60% savings in air consumption over all competitive AODD pump technologies, while providing more product yield per standard cubic foot per minute.
While the Wilden Pro-Flo SHIFT range dramatically improves energy efficiency, it also costs 50% less than electronically actuated ADS, is submersible, and features plug-and-play operation. The entire Wilden range now feature heavily on the new mobile friendly Dowdens website www.dowdens.com.au/pumping.asp, giving customers access to a large database of Wilden, Griswold, System One and Abaque pumping solutions, in a streamlined and easy to navigate format.
Dowdens Pumping and Water Treatment, in partnership with Wilden, System One, Griswold and Abaque have the ability to deliver complete and specialised long-term engineered solutions that are practical and innovative, ensuring clients benefit from greater productivity and reduced downtime.
Please contact us should you wish to speak with our in-house Wilden representatives and find out how we can help your company attain significant savings now and into the future.
Wilmar Sugar Australia Limited employed Dowdens Pumping & Water Treatment [Mackay] to deliver a broad acre irrigation system at their Gibson Creek sugarcane farm. Wilmar Sugar Australia Limited is Australia's largest raw sugar producer and one of the top 10 producers in the world.
The Gibson Creek sugarcane farm has a total area of 2,000ha, with works completed by Dowdens to date delivering irrigation to over 750ha of sugarcane - this project is still ongoing with the aim to irrigate the full 2,000ha upon completion. The broad acre irrigation system was designed, sourced, installed and commissioned by the Dowdens Pumping & Water Treatment Agricultural Sales Team, which has over 125 years combined agriculture irrigation experience.
The system is required to pump water stored in Wilmar's onsite dam (which when completed will hold a total of 2,000ML) to various irrigation devices watering 2,000ha of sugarcane.CLICK IMAGES TO VIEW FULL PROJECT GALLERY
To date the project has seen the team at Dowdens construct, install and commission six Valley Center Pivot Irrigators, with spans ranging from 520m down to 410m, and three hard hose poly line traveling irrigators.
Water for the irrigation system (sourced from Wilmar's 2,000ML onsite dam) required Dowdens to lay an extensive network of poly and PVC mains pipework ranging from 500mm to 150mm in diameter. In total over 12kms of mains pipe has been laid so far.
The entire system is gravity fed from the large onsite dam with a 6-cylinder John Deere diesel engine centrifugal pump feeding the six pivots, and three IVECO-Caprari multistage diesel booster pumps [pictured below] kicking in to raise mains pressure when water is required at the three hard hose poly line travelling irrigators.
The entire project was overseen and managed by Glenn Agnew from the Dowdens Pumping & Water Treatment [Mackay] Agricultural Sales Team.
Key Project Features:
Dowdens Pumping and Water Treatment have successfully designed, manufactured and commissioned a self-contained Solar Emergency Eye Wash and Safety Shower. The safety station incorporates both safety shower and eye wash facilities, which are supplied from a water tank via a solar powered Grundfos pump.
This unit was designed and manufactured to comply with Australian Standards AS4775-2007.
Dowdens supplied the portable Solar Eye Wash and Safety Shower station to Downer EDI Mining Blasting Services for use at the Rio Tinto Coal Mount Thorley open cut coal mines (located 15km South West of Singleton in the Hunter Valley region of NSW).
Project's Supply Scope:
Dowdens Pumping & Water Treatment's Rockhampton branch were engaged by local beef cattle graziers Kurrajong Pastoral (located near Springsure, QLD) to deliver a GRUNDFOS RSI Invertor Solar Pumping System at the Crystal Plains property to supplying onsite bore water to the property's many beef cattle watering troughs. Crystal Plains is a 3,018ha (7,458 acre) Springsure buffel grass property located 52km south of Emerald and 22km north of Springsure. The property comprises 10 dams, three bores, 14 grazing paddocks, plus several holding paddocks and water squares.
Dowdens Pumping - Rockhampton began the design of this solar pumping system with a site visit to record the height / depths of bores and to meet with the customers and garner their exact requirements for this system. Although not required for this particular bore inspection, Dowdens can offer our customers affordable Borehole and Drain inspection services using a range of Wireline Cameras. Our Wireline Cameras can operate up to a depth of 100m and deliver our customers high-resolution video and images straight to laptop / USB.
Once the proposal had been accepted, the Dowdens Industrial Workshop began sourcing the 18 x 270 Watt Solar Modules that were to be attached to 3 x 6 Module Fixed Post Array Frames. As an Authorised Grundfos Distributor Dowdens Pumping - Rockhampton were able to confidently recommend a Grundfos RSI Inverter together with the efficient SP7-17 415V Submersible Pump to be mounted and installed on this solar pumping system. The system pumps directly from a bore to an elevated position on Crystal Plains where the customer is then able to gravity feed from their established tank farm to the greater majority of his property. On average the pump transfers 50,000L/day.
"We have been working with Mitch Williams and the team from Dowdens Pumping & Water Treatment's Rockhampton Branch for a number of years and have always been happy with their service and back up support. We highly recommend Dowdens Pumping & Water Treatment's Rockhampton Branch and Mitch Williams for all their help with sourcing what we have needed for efficient stock watering systems & solar pumping applications. But it's not just the products, Dowdens have also installed & commissioned all these pumping systems for us. Cheers."
Owner - Kurrajong Pastoral
The existing pump that Dowdens replaced was an old line shaft MONO pump that was operated by Diesel engine. The installation of the new Grundfos solar system lowered ongoing maintenance and operation costs considerably as the clients no longer had to replace the column due to the accumulation of rust. To ensure this wouldn't happen again Dowdens utilised stainless steel and poly pipe in the construction.
Operating costs were lowered via the system utilising a Grundfos Invertor with Sine Wave Filter Isolation Switch together with a tank level pressure switch - meaning the pump would start and stop automatically, only when needed. This automatic operation eliminated the need for the client to regularly drive to the bore to start and stop the pump. This increased pumping efficiency also saved on the overall cost of diesel to refuel the pump. The Grundfos Invertor with Sine Wave Filter Isolation Switch, together with the Grundfos SP7-17 415V Submersible Borehole Pump were pre-wired on a custom-fabricated steel mounting frame to enable easy 'plug & play' installation. Dowdens supplied 5km of poly pipe for both the tank fill line and the gravity feed lines.
Dowdens Pumping & Water Treatment's Rockhampton branches design philosophy for this project was: Cost Effectiveness - Innovation - Ease of Installation - Simple & Effective Pump Operation - System Reliability & Reduced Ongoing Maintenance. The entire Grundfos RSI Solar Pumping System was designed, manufactured, installed and commissioned on time and within budget.
Kurrajong Pastoral's Crystal Plains Solar Pumping System - Key Components:
As an Australian owned company that began life in 1973 selling and servicing agricultural pumps, Dowdens has grown to employ over 160 staff situated across 4 branches in Mackay, Proserpine, Rockhampton and Brisbane permitting us to confidently service customers throughout Queensland, nationally and internationally. From project inception through to final commissioning - the team at Dowdens has the ability to deliver complete specialised long-term engineered solutions that are practical and innovative, ensuring our clients benefit from greater productivity and reduced downtime.
With dedicated departments of industry trained engineers, draftsmen, project managers, sales staff and tradespeople including fitters, mechanics, polywelders, machinists, plumbers, electricians and boiler makers - Dowdens Pumping & Water Treatment offer an unmatched range of world-class engineering solutions for any type of water management project. We truly are Queensland's premier one-stop-shop for solar pumping and water treatment systems!