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FEATURED CASE STUDIES & LATEST NEWS

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GRUNDFOS Pumps Double Warranty Promotion

Wednesday, 19 July 2017
GRUNDFOS Pumps Double Warranty Promo now at Dowdens Pumping & Water Treatment

GRUNDFOS are so confident their pumps are the most reliable on the market they are offering free DOUBLE WARRANTY (as part of their Business Booster program) to customers who purchase an eligible pump* from a participating Grundfos Authorised Dealer and have it registered instore. Dowdens Pumping & Water Treatment's Rockhampton and Mackay branches are both Authorised GRUNDFOS Dealers and are therefore participating in this exciting promotion.

HOW TO REGISTER FOR GRUNDFOS DOUBLE WARRANTY

All eligible Grundfos pumps* purchased must be registered in-store at either the Rockhampton Branch or Mackay Branch of Dowdens Pumping & Water Treatment (Grundfos Authorised Dealers) from which the pump is purchased from in order to qualify for DOUBLE WARRANTY. Please be aware that there is no other way to register eligible pump* purchases for DOUBLE WARRANTY!

Once a Grundfos product has been successfully registered in-store by Dowdens Pumping & Water Treatment (Mackay or Rockhampton Branches), customers will receive an email confirmation of the registration sent to their nominated email address. A copy of this confirmation must be kept, in addition to the original Tax Invoice as proof of purchase.

* BELOW IS AN OVERVIEW OF THE ELIGIBLE GRUNDFOS PUMPS:

  • ALL Grundfos 3" (SQ & SQE) Submersible Pumps
  • ALL Grundfos 4" (SP & SPA) Submersible Pumps
  • Selected Grundfos Domestic Pressure Systems (CME Booster, CM Booster Self-Priming, CM-PS, CM Basic, SB, SBA, SB with PMRain, JPB [formerly known as JP / JP-PM], JPB with PMRain, JPC and JPC with PMRain)
  • Selected Grundfos Domestic Wastewater Pumps (SOLOLIFT2 & UNILIFT [CC, KP, AP12, AP35, AP50, AP35B and AP50B])
  • TO VIEW THE FULL LISTING OF ELIGIBLE GRUNDFOS PUMPS BY MODEL NAME CLICK HERE.

GRUNDFOS Pumps Double Warranty Promo now available at Dowdens Pumping & Water Treatment

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Unique Solar Pump Float

Case Study

Customer: Lance and Colleen Sypher

Location: Alpha, QLD

Specifications & Features:

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.

Dowdens Solar Array and Pump Float

Details:

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:

...


Dowdens Solar Array and Pump Float

 
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Cannonvale Medical Centre Water Treatment System post Cyclone Debbie

Wednesday, 19 April 2017

Severe Tropical Cyclone Debbie made landfall near Airlie Beach on the Nth QLD coast 28th March 2017. It was a slow-moving category 4 system that generated wind gusts exceeding 160 km/hr, heavy rainfall and storm surges along the Nth QLD coastline. 27 hours later, after having tracked inland over Airlie Beach, Proserpine, Cannonvale and Collinsville it was downgraded to a Tropical Low. Dowdens Pumping & Water Treatment's Proserpine Branch is again open for business.

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.

PURION - Water Treatment Products by the Dowdens Group

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!

Dowdens Pumping & Water Treatment installing a temporary Water Treatment Plant at Proserpine Hospital [Cyclone Debbie 2017]

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Pressure Setting Spool Piece

Case Study

Customer: Anglo American - Grasstree Coal Mine

Location: Middlemount, QLD

Specifications & Features:

Anglo American - Australia

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.

Dowdens Pumping & Water Treatment - Anglo American [Grasstree Coal Mine] Pressure Setting Spool Piece

Details:

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:


Dowdens Pumping & Water Treatment - Anglo American [Grasstree Coal Mine] Pressure Setting Spool Piece

 
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Game changing GRUNDFOS SCALA2 PUMPS now at Dowdens

Tuesday, 14 March 2017

Dowdens Pumping & Water Treatment are your local pump experts and are Authorised Grundfos MASTER DEALERS. Dowdens are Mackay's ONLY Authorised Grundfos MASTER DEALERS & Dowdens Rockhampton branch is also an Authorised Grundfos MASTER DEALERS. Grundfos pumps are market leaders, committed to providing new and innovative products that take comfort and simplicity to the next level, for these reasons we sell and recommend the new SCALA2 domestic pump.

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.

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Coppabella Township Sewage Treatment Plant Upgrade

Case Study

Customer: Aurizon Holdings Limited

Location: Coppabella, QLD

Specifications & Features:

Aurizon Holdings Limited

Following on from the successful construction and commissioning of the Coppabella Water Treatment Plant Aurizon Holdings Limited engaged Dowdens Pumping & Water Treatment [Mackay & Brisbane Branches] to deliver a much needed Sewage Treatment Plant (STP) Upgrade at their Coppabella Township, located on the Goonyella Rail Corridor (the world's largest metallurgical coal rail system) - 159 kilometres South West of Mackay, QLD. The Coppabella STP Upgrade project entailed the addition of an Ultra-Filtration (UF) 'Polishing' Plant onto the existing STP. Dowdens new UF 'Polishing' Plant can produce up to 180 kL/day of treated Class A effluent.

The township of Coppabella was primarily designed and built to service the junction of two railway lines (one from Goonyella Coal Mine and one from Saraji Coal Mine) and to provide accommodation to the regions coal mine workers in work depots. The town is wholly owned and operated by Aurizon Holdings Limited and contains: stations, residences, single-quarters, work depots, hotel, a shop, swimming pool, football oval, caravan park, school, ambulance, fire brigade, the recently completed Dowdens whole-of-town Water Treatment Plant and of course the upgraded Sewage Treatment Plant which is now capable of producing 180kL of treated Class A effluent per day for above ground irrigation applications. The local Coppabella Golf Course is one area where this treated effluent is used for irrigation.

After successfully completing various projects for Aurizon Holdings Limited, Dowdens won the tender to provide the process design together with equipment supply, civil construction, installation, commissioning and training for the STP plant operators. The construction phase of the project began with extensive civil works being undertaken to raise the ground level for the new STP components. The pre-existing STP has historically been subject to flooding during heavy rainfall events due to the sites proximity to the local creek. Upon surveying the sites substrate a water table was discovered 1m below ground level.

Working with local Civil Engineers Cardno a substantial foundation was designed / laid to ensure the new buildings, plant components and 4,000 tonne water tank would be stable and remain above the flood plain even during heavy rainfall. Once foundations were laid Dowdens began construction of the 400,000L lined stainless steel water tank, new building to properly house the STP process equipment, an operators office, laboratory facilities and a back-up generator used to power the entire STP in the event of power loss.

Dowdens Pumping & Water Treatment Coppabella Township Sewage Treatment Plant Upgrade [Coppabella, QLD]

Details:

After extensive effluent testing and thorough examination of the existing STP process a UF 'Polishing' Plant was designed by Dowdens inhouse Water Treatment Engineering Dept. capable of processing up to 180kL of partially treated sewage effluent per day. The partially treated sewage effluent was rated as Class C and needed to be treated to an acceptable level (Class A) to then be used for above ground irrigation. This treatment process consists of three stages of filtration and sterilisation, including UF. This three-stage process runs as follows:

  • Primary treated effluent from the existing STP (Class C quality) is transferred to a 45,000L Glass Media Filtration (GMF) feed tank via duty / stand-by submersible pumps on demand.
  • In Stage 1 the clarified effluent from the existing STP process is first dosed with sodium hypochlorite as primary disinfection, to reduce biofouling of the Glass Media. It is then passed through the duty/stand-by Glass Media Filters which reduce particulates, suspended solids and turbidity from the GMF filtrate stream. This ensures no large particles damage the UF membranes in Stage 2.
  • In Stage 2 the GMF filtrate is then passed through UF treatment process which incorporates 5% 'cross-flow' to maximise the filtration run-time between back flushes (triggered by high trans-membrane pressure). The systems consists of 8 individual outside-in PVDF membranes which reduce turbidity to less than 1 NTU (Nephelometric Turbidity Units) whilst removing any particles greater than 0.0002mm from the permeate stream. The UF feed is again dosed with sodium hypochlorite to assist with cleaning the UF membranes from biological and organic fouling between the backwash and Chemical Enhanced Back Flush (CEBF) cycles.
  • In Stage 3 the UF filtrate is passed through duty/stand-by Activated Carbon Filters (ACF) on demand to reduce colour and odour (by removing aromatic compounds) as a final 'polish' before being fed to the treated effluent tank. The ACF filtrate is then dosed with sodium hypochlorite as a final disinfection of the treated effluent prior to it entering the treated effluent storage tank for dispersal via above ground irrigation systems. Dowdens provided a centralised, custom designed / fabricated, packaged chemical dosing system for this UF 'Polishing' Plant which included a 1000L Chemical Storage tank, a splash-proof racking area housing 5 individual Chemical Dosing pumps - complete with an internal bund and double containment dosing line connections.

When the treated effluent arrives in the 400kL stainless steel tank a recirculation system pumps it through a chlorine analyser and back to the treated effluent tank. The chlorine analyser then controls the residual free chlorine level in the treated water and will start / stop a chemical dosing pump as required to maintain the pre-set residual free chlorine level.

Each of the GMF, UF and ACF processes are periodically backwashed and cleaned, with residual waste being fed to a nearby buffer dam where chlorine is allowed to dissipate. Based on the level in the buffer dam and the level in the treated effluent tank, the water may then be returned to the pump station at the front of the STP for reprocessing.

With a history of successful installations over the past 20 years throughout the Queensland Mining Sector Dowdens Pumping & Water Treatment have the ability to expertly design / manufacture / install and commission specialised pumping and water treatment solutions that are built primarily in-house & onsite to client's specific unique requirements. The Coppabella STP Upgrade project is yet another example of Dowdens unparallelled capability to deliver specialised long-term engineered fluid handling solutions from project inception through to final commissioning / handover.

Dowdens Pumping & Water Treatment Coppabella Township Sewage Treatment Plant Upgrade [Coppabella, QLD]

 
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Farm Irrigation Efficiency Case Studies

Tuesday, 27 May 2014

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.

Click to view more videos from the Dowdens Group YouTube Channel!



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Specialised Pontoon Pumping System

Case Study

Customer: Peabody Energy Australia

Location: Moorvale Coal Mine, QLD

Specifications & Features:

Peabody Energy - Australia

Peabody Energy Australia have engaged Dowdens Pumping & Water Treatment's [Mackay] Engineering Department & Fabrication Workshop to deliver a Specialised Pontoon Pumping System for use at their Moorvale Coal Mine, located 156 kilometres South West of Mackay, QLD. This project presented a number of challenges for the Dowdens Mackay engineering and fabrication staff, including but not limited to an extremely tight delivery timeline of only 8 weeks!

Peabody Energy's Moorvale Mine is an open-cut coal mine that produces low-volatile pulverized coal injection (PCI) coal, coking coal and thermal coal for export markets. The Moorvale Coal Mine is particularly challenging for its operators due to the coal seam being quite narrow with a number of fault lines. This requires excavators often having to work in confined areas. The three piles that make up the Moorvale coal seams are mined independently of each other.

Dowdens Specialised Pontoon Pumping System was needed to provide Peabody Energy more reliable access to good quality Raw Water from an on-site dam. This raw dam water was then to be pumped directly to the onsite Coal Handling & Preparation Plant (CHPP). The existing supply water was limited and of poor quality. Dowdens new pontoon pumping system allowed for an increased volume of water to be pumped from a dam containing higher quality raw water. Subsequently the Specialised Pontoon Pumping System that Dowdens supplied has helped facilitate an improvement in the CHPP's daily operations.

"This particular project had a tight lead & build delivery timeline (approximately 8 weeks). During this time Dowdens were in regular contact with us, the project coordination and regular contact I received from Dowdens Engineers enabled me to better plan for the delivery and installation of the gangway and pontoon, which required a 100 tonne crane to be booked and ready onsite for the unloading and installation.

Dowdens Engineering Department was prompt and professional in helping resolve revisions in the project scope. The design and the way the pontoon was packaged and delivered added to the "Zero Incidents" achievement during the installation of the Pontoon on site. I was satisfied with the product, price and customer service provided by Dowdens Pumping & Water Treatment - Mackay"

Steve Brushe
Site Manager - Projects
Peabody Energy - Australia

Dowdens Pumping & Water Treatment - Specialised Pontoon Pumping System [Moorvale Coal Mine, QLD]

Details:

This project required both Dowdens Engineering Dept. & Fabrication Teams to deliver an innovative solution not previously attempted in-house. It was the first time Dowdens had manufactured 12m length gangways or a pontoon with a total weight of over 6 tonne. The total pontoon weight includes all steel work, flooring, pumps, piping etc. and is displaced using HDPE (high density polyethylene) Floats. The longest gangway Dowdens had supplied previously measured 8m in length, with the largest pontoon previously fabricated weighing in at 4.5 tonnes.

The new system meant Dowdens existing in-house designs had to be modified / improved with new floats being selected in order to safely carry the increased platform weight. Additional weight saving measures were implemented by Dowdens Engineers such as the use of light weight / high strength aluminium mesh flooring.

The timeline to design this pontoon pumping solution, manufacture the components and have them delivered to site was extremely tight. Engineering - Concept Design - Drawings & In-House Fabrication of the unique Pontoon Pumping System was completed & delivered to Moorvale Mine within their specified 8 week time frame!

No other pumping / manufacturing / engineering firm in Queensland are able to deliver such an all-encompassing product solution within 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.

Key Project Features:


Dowdens Pumping & Water Treatment - Specialised Pontoon Pumping System [Moorvale Coal Mine, QLD]

 
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RAINSPAN High Profile Boom Irrigator

Case Study

Customer: FS Stevens and Co.

Location: Ilbilbie, QLD

Specifications & Features:

RAINSPAN High Profile Soft Hose Boom Irrigator

Dowdens Pumping & Water Treatment [Mackay] have delivered yet another High Profile Soft Hose Boom Irrigator to a local Ilbilbie Sugarcane Farmer. Longtime Dowdens customer Brian Stevens operates a number of sugarcane farms in and around Ilbilbie, QLD. Due to lack of rainfall during the 2014/15 growing season, and a desire to lower his overall irrigation costs Brian decided to purchase a RAINSPAN SB2000 High Profile Soft Hose Boom Irrigator to better facilitate the irrigation of his cane.

Wanting to purchase his new irrigator from a dependable Queensland business Brian contacted the Dowdens Mackay Agricultural Sales Team - one of the most experienced Ag sales teams in Australia, with over 125 years of combined irrigation system design and operational experience between them. As a company that has built its foundation on the servicing and development of agricultural pumping systems, Dowdens Pumping & Water Treatment have the experience to engineer a solution to suit any agricultural application.

Jeff Roberts from the Dowdens Mackay Agricultural Sales Team visited Brian's farm on a number of occasions to investigate, design and then match an irrigator and irrigation plan to best suit the 121ha property. Taking into consideration the terrain, the farms location (near the coastline - a high wind region), existing pump capabilities and source water availability shortages Jeff suggested Brian purchase a RAINSPAN SB2000 93m High Profile Soft Hose Boom Irrigator.

Dowdens Pumping & Water Treatment - RAINSPAN High Profile Soft Hose Boom Irrigator [Ilbilbie, QLD]

Details:

Sugarcane farmer Brian Stevens had for some time wanted to shift away from high pressure irrigation at his Ilbilbie farm, this was due in part to the high coastal winds the property endures year round playing havoc with his irrigation sprinklers. High pressure irrigation was no longer viable for this particular farm as it equated to water was being blown off crop, Brian's associated pumps working hard to deliver high pressure source water to existing soft hose irrigators and excessive mains power being consumed to run said pumps.

Moving from high pressure sprinklers to a low pressure RAINSPAN SB 2000 Dowdens has been able to deliver Brian considerable savings with his overall irrigation costs. The RAINSPAN SB2000 only requires approximately half the pressure to run compared to the previous high pressure irrigators. This has seen between a 30% - 40% decrease in farm irrigation electricity costs.

The low pressure RAINSPAN SB2000 Boom is far less susceptible to high winds, meaning Brian now has the potential to irrigate day or night, regardless of wind conditions. Essentially doubling his irrigation potential each day (the previous high-pressure system needed to be shut down during high winds experienced each night).

The RAINSPAN SB2000 Boom was found to be between 15% - 25% more efficient with its water application uniformity and distribution compared to the previous high pressure sprinkler irrigators. Simply put, Brian can now irrigate his sugarcane in a more cost-effective manner, utilising the limited water available to him more efficiently.

The RAINSPAN SB2000 is an extremely efficient and reliable low pressure irrigator that when installed and operated correctly saves farmers water, energy, time and money whilst increasing overall farm yields.

Key RAINSPAN SB2000 Boom Irrigator features listed below:

  • Nelson R3000 Rotator Sprinklers were fitted specially to suit the windy conditions, giving a large wetted footprint & better instantaneous application rate
  • Pulls 300m x 4" Snap-Tite Irrigator Hose (Dowdens are the sole authorised Snap-Tite hose dealer in Mackay, Whitsundays & Rockhampton)
  • Gearbox for smooth safe operation specifically designed for the Irrigator - the most efficient in the industry
  • A 93m boom was fitted to the RAINSPAN SB2000 - to seamlessly fit with farms existing lane spacings
  • New Generation Turbines that are the best in the industry
  • Hydraulic Boom Slew & Speed Compensator
  • Made in Australia

For well 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. CONTACT US today and let us help improve your farms productivity while lowering your overall irrigation operating costs!

Dowdens Pumping & Water Treatment - RAINSPAN High Profile Soft Hose Boom Irrigator [Ilbilbie, QLD]
 
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Solar Powered Emergency Shower and Eye Wash Station

Case Study

Customer: Downer EDI Mining Blasting Services

Location: Mount Thorley, NSW

Specifications & 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:

  • Water Tank is insulated with drain valves and fill points
  • 1x 190W Solar Panel
  • Heavy duty battery pack
  • Voltage regulator and power inverter control panel
  • Grundfos pressure water pump
  • Stainless steel base frame with 'grab rails'
  • Eye wash basin and foot-lever action shower head
  • Green LED safety light (viewable from 360)

Dowdens Pumping & Water Treatment Emergency Eye Wash Station

Details:

Key Features:
  • The station uses the suns energy to charge 6V batteries via 1x 190W solar panel
  • This energy is then stored and converted to 240V power which in-turn drives the electric Grundfos pump
  • The Power Inverter Control Panel contains the solar charger module and the power inverter module
  • The self-contained Solar Eye Wash and Safety Shower station was designed and manufactured to comply with Australian Standards AS4775-2007
Dowdens Pumping & Water Treatment Emergency Eye Wash Station

 

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