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Planning & design
All you need to know about planning and design on our canals and rivers
Find a winter mooring
Find a cosy section of canal to hunker down in this winter
10 reasons to take up canoeing
It's a great way to get fit and explore our waterways at the same time
Share the Space
Take a look at our common sense guide to sharing the towpath
Find a place to fish
From reservoirs to club-managed canals and river stretches - find your nearest place to fish
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Download your free guides
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Take a look at our upcoming events here.
Find your favourite waterway
With over 95 canals, rivers, reservoirs, docks and navigations, find out more about your favourite waterway
Something for everyone
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Join our team
Could you join your local Towpath Taskforce team and help us to keep our canals looking lovely?
Desmond Family Canoe Trail
If you're aged 16-25 and would like to get involved with this exciting project, please get in touch
Could you be a volunteer lock keeper?
Find out what's involved with this popular volunteering opportunity
Why we think canals are better with Friends
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We love and care for your canals and rivers, because everyone deserves a place to escape.
At the Feasibility stage a detailed site investigation is not required unless you are proposing to construct a lay-bye marina (see section below re lay-by).
However, it is advisable to assess the site conditions which will impact on issues such as excavation, disposal of spoil, potential contamination and ultimately determine the method of construction and the major project costs. It is also advisable at this stage to identify whether or not the site has utility equipment or private services crossing it which will impact upon construction and use.
A detailed contour map and site walkover would give an idea of the levels and therefore any need to excavate or raise banks. The cost of disposing of excavated material off site, can be significant. It will assist the viability of your scheme if you can dispose of this within the site of the marina or on other land which you may own. This may require planning permission. If this is not an option seek estimates of disposal costs from local landfill operators. The permeability of the ground is of critical significance to the cost of construction. A geotechnical desk study and ground model at the initial feasibility stage will identify, quantify and determine how to manage the risks associated with the ground. Best practice is to compile a geotechnical risk register (which should include issues related to contamination, disposal etc.).
If the marina basin will hold more than 25,000 cubic metres of water above ground level it may come under the provisions of the Reservoirs Act 1975. For more information check the link below.
Lay-by marinas on the towpath side of the canal will not be permitted and an entrance (isolation) structure must be provided along with a towpath bridge to accommodate the towpath. (Permission is unlikely to be granted for towpaths to be diverted markedly from its original line, such that it cannot be used for its original design function to facilitate the towing of boats).
Lay-by marinas on the off side of the canal will be permitted and must satisfy design criteria for marina entrances on the New Marinas website to ensure the lay-by footprint extends far enough into adjacent land to accommodate all types of boats and allow sufficient room to manoeuvre boats safely, and without encroaching on the navigation.
Typical Marina/layby marina entrance detail
Where an isolation structure is not used, it is extremely difficult to establish whether the new marina satisfies the Trusts requirements for water tightness as it is not often possible to carry out initial or secondary stilling tests.
British Geological Survey www.bgs.ac.uk
British Dam Society www.britishdams.org/reservoir_safety/
Last date edited: 15 December 2015