Cleaning Services for Stormwater Drains in Diemen

The municipality of Diemen is seeking suppliers to provide cleaning services for stormwater drains. There are a total of 8,900 drains, of which 7,500 can be cleaned using machinery, while 1,400 must be cleaned manually due to accessibility issues. The drains need to be cleaned twice a year, once in the spring (April/May) and once in the fall (October/November). The cleaning tasks include: - Removing debris such as sand and leaves - Cleaning the drains - Inspecting and ensuring the drainage is clear. Please note that the quantities mentioned are estimates and not guaranteed. For more details, refer to the specifications document.