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WildBoyz

New Zealand Otahuhu Power Station (Sites A and B), Auckland - June 2017

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History

“Originally the station [Otahuhu A] was designed to be maintenance free but this proved to be a fallacy early on. Although we all knew very little about gas turbines, we learnt quickly that there was a great team environment” (Allen Morrison, former generation technician). 

Otahuhu Power Station is located in Otara, in Auckland, New Zealand’s largest city. The site holds two decommissioned plants: Otahuhu A and Otahuhu B. Otahuhu A, a gas turbine plant, was constructed in the 1960s. When it became operational in 1968, it had four 45 MW gas turbine units and, for three years, it contained the largest turbines in Australasia. Two additional units using Rolls-Royce Olympus gas turbines were installed in 1978, to cope with the demands of a rapidly expanding city. The turbines in Otahuhu A were retired from electricity generation in the late 1990s. However, they remained in service to provide reactive power to Transpower NZ, the owner of the national grid. Active power is the energy used to power our homes and various devices, while reactive power is used to regulate voltage in an electrical power system. This prevents damage, such as the overheating of generators and motors, reduces transmission losses and helps to maintain the ability of the system to withstand and prevent voltage collapse. The turbines were finally decommissioned in November 2013. 

The Otahuhu B site was commissioned in January 2000 at a cost of $350 million. It was a natural gas combined cycle plant that used a Siemens V94.3A(2) gas turbine in single-shaft configuration. When it was first commissioned, the plant capacity was 385 MW; however, upgrades to the equipment had to be made in 2005 to increase the amount of electricity being produced by the plant. It’s capacity subsequently increased to 404 MW.

Otahuhu B was still a relatively new plant when it closed its doors in September 2015 (it had only been run for half of its expected life). Sadly, of the thirty-three people working at the plant, fifteen were left without jobs, while the rest were transferred to other Contact sites. According to Contact Energy, the former owners of the site, the plant was turned off due to the increasing development of renewable energy across New Zealand, such as the new Te Mihi geothermal power station. One report also indicated that ‘New Zealand has a surplus of generating capacity at the moment and this means that generators have less control of the price. To make money they need to keep the system on the edge of a shortage. Shutting down Otahuhu is consistent with this objective.’ 

Otahuhu Power Station was sold to Stonehill Property Trust for $30 million in February 2016. Both plants are due to be cleaned of asbestos, dismantled and sold off as scrap. It is expected that the land will eventually be sold off for commercial and industrial use.

Our Version of Events

It recently came to our attention that the old Otahuhu Power Plant closed its doors back in 2015 and is now due to be demolished, so we decided to go have a wee look. Having heard that demo work was already in progress, though, we weren’t expecting to find much, especially after catching a rumour about the police blowing up the control room as part of a training exercise. 

Our first glimpses of the site showed our speculations to be accurate. Site A, the oldest part of the power station, is currently semi-demolished and it has many, many holes in it. Obviously, this made accessing it very easy, but we were a bit disappointed to find we’d missed out on our chance to see the turbines. Nevertheless, as with most power stations, there was still plenty of stuff lying around, so it wasn’t a complete waste of a journey. The control room was certainly interesting too, for it did indeed look like someone had lobbed a few grenades around in there. Nevertheless, after spending a good hour on the site, we decided we’d revisit the site during the day the following day, as it was difficult to take photos and not get caught waving torches around – especially when the building didn’t have much of a roof left. 

We returned the next day and gathered the snaps we’d been after. Then, we decided to head over to site B, the newer plant. At this point, we weren’t sure whether the site was closed or not, since there were two car parks nearby and they were full of cars. What is more, all of the lights were still on, and a few machines were still casually humming away. Yet, despite having initial reservations, we crept onto the site, albeit very slowly. The entire place looked like a live power station; it seemed as though it could be put back into operation tomorrow, and it felt like we were going to accidently bump into someone – a worker or security guard – at any moment. There was some evidence that demolition work might have begun from the outside, or at least some redecoration work, but we really weren’t sure which at this point. 

We must have been on the second site around two minutes before we noticed that we may have wandered directly into the path of a camera. That’s what worrying about bumping into workers does to you… Nevertheless, rather than run away we decided it would be worth the risk to crack on and get inside the main building. After all, opportunities like this only come round every so often. So, that’s what we did. In the end, we’re glad we did because inside we found ourselves surrounded by fine quality industrial porn. We spent the next forty minutes or so convinced security would be onto us at any moment, so every single sound made us stop in our tracks. As it turned out, though, no one turned up to give us a bollocking and escort us off site, so, all in all, it ended up being a great explore. 

Explored with Nillskill

 

Otahuhu A

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Otahuhu B

 

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Edited by WildBoyz

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    • By WildBoyz
      History

      W. T. Henley was a cable/wire company that was founded in a small London-based workshop in 1837. William Thomas Henley is famous for having converted his old lathe into a wiring covering machine which was used to cover wire with silk and cotton as this was in high demand at the time for electromagnetic apparatus. It is reported that Henley’s company progressed at an impressive rate and that he pioneered the submarine cable field (laying cables on the sea bed between land-based stations to carry telecommunication signals across stretches of ocean).It was Henley’s dream that all of civilisation would eventually be linked together telegraphically. 

      As WT Henley’s Telegraph Works continued to prosper, Henley decided to purchase a factory at North Woolwich beside the Thames in 1859 for £8,000. It is said that this development led to the laying of the Persian Gulf telegraph cable which is 1615 miles long, for the Indian Government. As a result, by the end of 1873 Henley’s Woolwich site had spread to cover some sixteen acres and his company also included three cable laying ships and a four-hundred-foot wharf to allow five-hundred-ton ships to load and unload their cargo. Sadly, Henley died in 1882; however, his company continued to grow in his absence and went on to form branches across the country. 

      By 1906 work on a new factory in Gravesend was completed. The new factory is said to have been an impressive development and it included extensive, purpose-built, laboratories and a modern reinforced concrete air-raid shelter under London Road that could hold approximately two-thousand people. The tunnels were built into old caves within the Rosherville Gardens – an area of land located between the cable works and the cliff face. It is likely that the air-raid shelter was factory-owned but also open to the public as Henley’s company did not actually own Rosherville Gardens at the time and it featured a number of amenities and six entrances. Henley’s company continued to thrive as the Victorian era ended; however, its success can be linked directly to the Great War as it was a catalyst for technological and industrial development and change. By the Second World War, Henley’s company was publicly praised for its contribution towards King and Country – particularly its contribution to ‘Operation Pluto’ (the construction of petrol pipelines across the English Channel). Despite this success, a decision was made to close the main Henley factory at Woolwich due to the repeated damaged it suffered during the war years. A new factory was subsequently built at Birtley in the North East due to its reputation for being a ‘misty valley’ that made it difficult for the Luftwaffe to target factories, and this was completed in 1950. 

      Sadly, a change of events occurred in 1958 when AEI acquired Henley’s company, having already taken over Siemens Bros in 1953. However, AEI is now the world’s oldest cable company and recently celebrated its one-hundred and seventy-fifth anniversary. Unfortunately, Henley’s Gravesend site was closed in 2008, though, due to it being ‘no longer viable to operate because of strong European competition’. 

      Our Version of Events

      Not much by way of events for this one. It’s been a very busy few months and we ended up here to take a break after doing a spot of house viewing. Since we’d spent all day and most of the evening looking at damp, shitty rental properties that all looked as though they ought to be photographed and placed as reports on here, we arrived outside AEI in the early hours of the morning. Armed only with the essentials, our tripods, cameras and cans of Stella Artois, we made our way over the epic bog that you have to cross to find the entrance to the old shelter. We really underestimated how muddy this bit of wasteland was going to be to be honest and very nearly ended up taking a cold midnight mud bath several times. Nevertheless, we eventually made it across, with all our beers intact you’ll be happy to know. From this point onwards, getting into the old shelter was pretty straightforward.  

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    • By eyevolve
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    • By WildBoyz
      History

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    • By WildBoyz
      History

      The Waterloo Tunnel is a 779 metre (852 yards) long disused railway tunnel in Liverpool. It opened in 1849. At its Eastern end, the Waterloo Tunnel opens into a short cutting (approximately 63 metres long) which connects to the Victoria Tunnel which is 1.536 miles (2.474 kilometres) long. Effectively, both tunnels are one long tunnel with an open-air ventilation cutting in between; however, they were given different names initially because trains in the Waterloo Tunnel were locomotive hauled while trains in the Victoria Tunnel were cable hauled. 

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      Our Version of Events

      After meeting up with a couple of Liverpool based explorers, and hitting an old industrial site first, we decided to head over to the Waterloo/Victoria Tunnel. It was good to meet a couple of locals for a change because they both had an exceptional knowledge of the area – something we lack when it comes to exploring in Liverpool, unfortunately. Anyway, this saved us having to do much research and scouting for a change. So, thanks fellas!

      When we initially rocked up outside our chosen access point, several Network Rail guys were busy standing around a couple of shovels and one guy down a hole. Rather than leave and come back, though, we decided to sit in the car and wait for them to fuck off. Our patience paid off pretty quickly since the boys in orange decided to down tools literally five minutes after we’d parked up. Once they’d left, we gave them an additional five minutes before we grabbed our gear and made our way into the tunnels, to account for any of them who might have left their beloved tape measure or spirit level behind. 

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      As several other reports have revealed, the open-air section/accident between the two tunnels is full of shit. It seems Liverpool folk don’t bother visiting the local tip, they simply lob their old goodies off the bridge on Fontenoy Street. Anyone seeking spare lawnmower parts, or a second-hand seatee, should get themselves straight down to the Waterloo Tunnel. Sadly, we didn’t need either, so we had to clamber over the mountain of shit instead, to reach the Victoria Tunnel on the other side. 

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    • By Stussy
      Another drive past find on a trip to Italy last year, never seen pics of it, so we called it Powerplant Percy.  It was a sub-station of some sort, but stripped out and not much to see, but it was rather nice inside, so here you have it.
       

       

       

       

       

       

       

       
      Well there you have it, a stripped out shell, but they need a bit of love too, or maybe not, you got this far, so you must have enjoyed it 
       
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