The work follows the failure of the morwell river diversion on 6 june, 2012. The morwell river diversion was justified by sophisticated modelling exercises that predicted that the diversion would cope with all but a 1 in 10,000 year flood event. Water diversion diverting water permanently or temporarily for construction purposes, e. You will arrive at the intersection of morwell river road and livingston road. Starting near yallourntyers off the latrobe river near the turn off to morwell bridge road. Morwell river diversion for the expansion of the yallourn mine. Overview of river diversion methods and considerations. The lower reaches of the river has been diverted around opencut coal mines by channels and. On 1 august, mrm also organised a tour of the site for the proposed diversion of the mcarthur river while the morwell experience was fresh in their minds.
River diversion free download as powerpoint presentation. The purpose of this report is to identify potential environmental impacts to the latrobe river associated with collapse of the morwell river diversion on 6 june 2012, which runs directly through the centre of the yallourn mine site. A river is a course of water that originates in the mountains and flows downwards until it reaches the sea. Epa victoria acknowledges aboriginal and torres strait islander people as the traditional custodians of the land and acknowledges and pays respect to their elders, past and present. Globe equity 59 decree diversion rights governs use of gila r water from virden to salt river with storage, could divert during winter months when ag use is minimal and store for later use awsa diversion rights up to 350 cfs starting once river flows reach 150 cfs.
The workers were asked who they would like to donate. The morwell river is a perennial river of the west gippsland catchment, located in the west gippsland and south gippsland regions of the australian state of victoria location and features. However, it is important not to overlook the social and environmental issues which effect water management. Use the address 965 morwell river road, grand ridge. Instead, the plan refers to other documents, such as the rehabilitation practices manual. On june 6 2012 the morwell river diversion collapsed into. Gem industrial services was engaged by tru energy now energy australia, yallourn power station in gippsland, victoria to design and construct an emergency dewatering pipeline that would be used to divert the flow of the entire morwell river around the open cut mine and into the adjacent latrobe river.
The river flows generally in a northerly direction, joined by two minor tributaries before reaching its mouth to form confluence with the latrobe river, south of yallourn north. Morwell river, river diversion, earthworks, construction, coal mine. The magnitude, method and cost of river diversion works will depend upon the crosssection of the valley, the bed material in the river, the type of dam, the expected hydrological conditions during the time required for this phase of the work, and finally upon the consequences of failure of any part of the temporary works. The term river diversion is commonly used to describe various. Minister scrymgours recommendation mcarthur river mine. Managing vegetation offsets and landscape plantings. One year on, morwell river diversion rebuild well progressed. It was one of six projects lca 6 authorized under the water resources development act of 2007 section 7006e3 and the coastal protection and restorationauthority board of louisiana cprab is the costshare. Many practitioners are most familiar with the technical aspects of water management including pumps, pipes, storages and slurries. The avon, forms an important part of the latrobe subcatchment, draining the south eastern slopes of the great dividing range, to form the gippsland lakes. The morwell river has been diverted a number of times to facilitate access. Many new water diversions are proposed for urban users in the headwater states, which, per person, are among americas biggest water users.
The avon river is a perennial river of the west gippsland catchment, located in the west gippsland region, of the australian state of victoria. Energy australia 2015b one year on, morwell river diversion. The failure involved water breaching a tunnel under the diversion, damaging infrastructure and causing river water to flow into the open cut mine. The primary attraction is the fosters gully nature walk which is located off jumbuk road at the fosters gully visitors area. Group executive manager, operations and construction, michael hutchinson said the work had been complex but was well. While flooding in gippsland in june was serious, the region floods regularly and it certainly wasnt a 1 in 10,000 year flood event. Geological survey in collaboration with researchers in louisiana state universitys department of civil and environmental engineering and the lsu agcenter, has shown that largescale mississippi river diversions may significantly change water quality in estuaries, affecting economically. The use of part of the river diversion works will make the structure composed with temporary and permanent structures, more economical and integrated.
While a historically reliable source, a long term outlook is not possible because this is a runofriver system with minimal storage. At full diversion of 350 cfs when river flows are about 500 cfs. A presentation on river diversion focusing on cofferdams, diversion tunnels, diversion dams and other alternative methods. Keep your eyes peeled for a clearing and gate on your right hand side, park here. In 1999 truenergy called for tenders for the diversion of the morwell river to enable access to the new coal reserves in the maryvale field to. Morwell river diversion and expansion of the habitat corridor. Formed by the confluence of the west branch and east branch of the river, the morwell river rises in the strzelecki ranges, below boolarra south. Frank department of fisheries and oceans, bedford institute of oceanography, box 1006, dartmouth, nova scotia, canada b2y 4a2 abstract. On june 6, 2012 a failure of the morwell river diversion structure resulted in a. Continue on morwell river road keeping the river to your right for another 6 km or roughly 15 minutes. Generally, the river diversion is designed aiming at the goal of its use, even partial, for the construction of permanent works. Bigger may not be better when it comes to mississippi.
Morwell national park located 16 km south of morwell, the morwell national park a flora and fauna reserve of tasmanian blue, mountain grey and manna gum, messmate, tree ferns and orchids, including the rare butterfly orchid. Morwell river wetlands offset wetlands replacing previously constructed wetlands that were removed as part of the mine expansion. Morwell river o concern that power stations are discharging polluted water so close to their licence limits that there is no buffer to prevent disaster events eg morwell river diversion collapse in 2012 fire risk concerns from dust emissions eg coal. The river flows generally in a northerly direction, joined. The board considers that the cfa responded quickly and effectively to the breakout of the hernes oak and driffield fires. Effects of river regulation and diversion on marine fish. The morwell river diversion, and the access to coal supplies it allows, will ensure yallourn can continue to operate until 2032. This may sound obvious, but it is precisely this aspect that allows us to understand what a river is and how it functions. The collapse has resulted in a large volume of water entering the open cut coal mine.
The little morwell river diversion weir and associated water infrastructure. The morwell river diversion has been repaired, almost two years after it burst and flooded the yallourn opencut coal mine in victorias southeast. The urgent diversion of a river through a rapidly constructed pipeline was required to avert a power supply crisis to the state of victoria. The workers were asked who they would like to donate the money they had raised to and we were it. The site is listed on the victorian heritage register and covered by a heritage overlay. Moreover, this quantity of colorado river water is just the beginning of new proposed diversions as states like utah woo vast expansions of energy development that require gigantic new quantities of water. In early june 2012, the morwell river surged and a. The cfa was able to prevent fire from crossing the morwell river diversion and entering the operating area of the hazelwood mine. Diversion of the morwell river was required to permit further development of the yallourn mine to provide coal for the yallourn power station in gippsland, victoria. This essential book provides guidance on the design of river diversions taking into account the wide range of issues that must be considered in the planning, design and construction. Pdf 600mm pe pipe installation saves power supply in. Fishing along the morwell river used to be such a way of a life the paper carefully reported the catches. Extensive riparian planting of strzelecki gum and a full.
Interconnecting railway had been undertaken to gain access to the coal reserves in the east field. Morwell river falls, the perfect day trip humble trail. This 41kilometre river weaving its way through the latrobe valley has a rich history. Morwell river diversion collapse environmental risk.
A staff tree planting day was held at the morwell west drain to open the walking track from latrobe road to toners lane. It is definitely worth a visit, two beautiful waterfalls and a walk along the morwell river lined with lush ferns. River diversions are a common coastal wetland restoration tool, but recent research, conducted by u. This essential book provides guidance on the design of river diversions taking into account the wide range.
Diversion fault report damning latrobe valley express. The morwell river rises in steep open forest and then flows in a rock, boulder and rubble bed in a narrow valley to boolarra a popular stream with local anglers is the upper section, particularly along the morwell river road between yinnar and boolarra which has abundant brown trout and river blackfish and is good for fly fishing. The driffield fire appears to have started as more than one fire. A good example of this type of relocation is the morwell river relocation mrr in. Completion of the emergency mine dewatering arising from the morwell river diversion failure in 2012 and 20. The dam at itaipu is made up by a central stretch of a hollow gravity concrete dam, a mass concrete gravity section housing the river diversion facilities, and two wings to the right and left of the central stretch formed by concrete buttress structures, adding up to a length of 3472 m and, on both sides, earthfill and.
Truenergy gas storage our gas storage facility is located on the south west coast of victoria, close to the great ocean road. Sponsorship was provided for a number of latrobe landcare network community based conservation projects. Smec in conjunction with rtl and golder associates developed an arrangement to divert the morwell river across the existing yallourn mine, rather than the proposed design around. The small diversion at conventblind river project is a freshwater diversion project identified in the lca program. The outlook is therefore limited to the coming summer only. The morwell river is a perennial river of the west gippsland catchment, located in the west. The thomson river diversion tunnel, also known as the horseshoe bend tunnel or the chinese tunnel, is located on the thomson river near the junction with coopers creek and the locality of platina, approximately 4 kilometres 2. The latrobe river and its associated subcatchment is an important source for the gippsland lakes, draining the south eastern slopes of the great dividing range. Split into four parts this authoritative volume begins with.