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On the 24th, Guangzhou City Investment Environmental Energy Investment Management Co., Ltd. announced the investigation and design (second time) announcement of the city road park street lighting renovation project. The announcement shows that the scope of the project involves eight municipal parks including Dongfeng Park, Martyrs Cemetery, Huanghuagang Park, Zhujiang Park, Zhongshan Memorial Hall, Yuexiu Park, Cultural Park and Liuhua Park. The project is the existing lighting of the urban branch road. The light source and lamps are energy-saving upgrades. The main lighting source adopts LED light source, a total of replacement light source, upgraded lamps, and newly installed LED street lamps are about 3000 sets. The intelligent LED lighting control platform is used to remotely control the existing park street lamps, and on this platform. The energy consumption data monitoring system of the park street lighting is added to effectively monitor the energy consumption; the lighting lines, power distribution control boxes, transformers, etc., which are not suitable for the current situation, and related supporting projects are reconstructed or added.
It is understood that the project was first tendered at the end of last year. At that time, the bidding documents proposed that the newly installed street lamps include 60 LED street lights. Some areas should be selected as pilots, and centralized photovoltaic systems and high-voltage DC centralized power supply systems should be adopted respectively. Lighting power supply. The Guangzhou Construction Committee said that by examining the current status of existing solar street lights, it was found that it was not suitable for urban promotion. Solar street lamps not only have high unit price, but also because trees and leaves easily block solar cells, and the cost of battery replacement is high, making the cost of street lamps more expensive than ordinary street lamps. At the time of the first bidding, the park had to issue new solar LED street lights, which caused media to question.
The reporter read the bidding documents yesterday and found that the content of solar LED street lights has been deleted, but the total investment of this project is still about 29.74 million yuan, no change compared with the first time. The project funds will still be solved by the municipal financial funds and city investment funds.
The street lights of the eight major parks in the city have always been managed and maintained. Why should we carry out a comprehensive renovation this time? According to the bidding documents, the lighting renovation of the municipal parks is to provide the illumination of the people for the leisure activities in the park at night. The transformation is mainly due to the current unsatisfactory lighting conditions in various parks. Most of the park's lighting fixtures consume relatively high energy, and the brightness and color rendering do not meet the needs of the city's future development.
Take Dongfeng Park as an example. There are many open lawns in the park. For this kind of open area, three headlights with a height of 12 meters are mainly used for illumination. The light source is 400W×3 high-pressure sodium lamp; the main body around the lawn The loop and other places are illuminated by five garden lights with a height of 4 meters. The light source uses 13W×5 energy-saving lamps. For the park branch and other areas, the lighting uses three garden lights with a height of 2.5 meters. The light source is 13W× 5 energy saving lamps.
After analyzing the status quo and asking the park management personnel, the relevant departments thought that the illumination of the main road of the park park was too small, and the street lamps were too far apart. The distance between the garden lights was generally between 30-40 meters, so that the uniformity of illumination was distributed. Very unsatisfactory; the rest of the roads and lawns are widely illuminated, and the energy consumption of the lamps is large.
The analysis of the lighting conditions of each park by the bidding documents mostly believes that these parks have problems such as large energy consumption of street lamps, insufficient brightness of light sources, and poor uniformity of illumination.
According to the bidding documents, according to the on-site investigation and statistics, there are 1370 sets of main outdoor lighting fixtures in 8 city management parks, mainly for energy-saving lamps, high-pressure sodium lamps, metal halide lamps and sodium lamps. This time, the replacement of light sources, upgraded lamps, and newly installed LED street lights are about 3,000 sets, which means that there are at least 1600 sets of newly installed LED street lights in Bada Park.
The bidding proposed that the renovation project is based on energy conservation, economy, practicality and safety as the main considerations, and LED lights are used according to the actual situation of each park. Grasp the lighting renovation of various parks, actively summarize the construction experience, and provide valuable experience for the future promotion of a wider range of lighting renovation. "Without the performance of the project, it is really making the general public get benefits, and really contributes to the cause of energy conservation and emission reduction in Guangzhou." 
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Guangzhou plans to renovate 8 major park street lights
Guangzhou plans to invest nearly 30 million yuan to transform street lights in eight municipal parks, including Dongfeng Park and Martyrs Cemetery. The project includes replacement of light sources, upgrade of lamps, and the installation of approximately 3,000 sets of new LED street lights.