Tag Archives: electricity

Barges, eh?

Must be a good idea if it involves barges

… or maybe not.

Trigonometry and obfuscation

Every so often Waterways Ireland (whom god bless and preserve) sends out a Marine Notice to warn people of sporting activities, so that they can avoid them, and of one or other of the hazards of the navigations. One such, No 68 of 2016, issued on 9 June 2016, says (inter alia):

The attention of all is drawn to the dangers associated with overhead power lines in particular sailing vessels, sailing dinghys and workboats with cranes or large airdrafts.

Vigilance is required especially in the vicinity of slipways and dinghy parks, while voyage planning is a necessity in order to identify the location of overhead lines crossing the navigations.

ESB Networks emergency number is (353)1850 372 999 and Northern Ireland Electricity Networks is (44) 0800 616 817.

Then on 21 July 2016 Waterways Ireland issued Notice No 89 of 2016, which was specific (as far as WI is concerned) to the Northern Ireland navigations. Extracts:

Many sailboats have masts of 9m (30ft) or more and, as most of these masts are made of aluminium, they are an excellent conductor of electricity. If an aluminium mast or rigging come into contact with or too close to power lines, it could result in a fatality.

NIE Networks advises all boat owners to take some simple precautions to stay safe.

  • Plan your route carefully when transporting your boat to or from where it is being launched, making sure you have adequate clearance under overhead power lines. When you are stepping the mast or erecting long aerials, be sure to do so in an area totally clear of overhead power lines.
  • Once out on the water, if you are sailing on inland waterways or near islands or headlands, you should still look for overhead lines as they do cross over waterways. You must ensure that your mast or aerial has proper clearance from any power lines.
  • Always check your charts when underway to ensure you are aware of the location of overhead power lines.

In order to avoid hitting an overhead power line with a mast, it would be useful to know how high off the water, perhaps at Ordinary Summer Level, the power line was. Then you could subtract from that the height of your mast, and some safety factor, and decide whether you could safely sail under the line.

If you don’t know how high the power line is, you have to resort to trigonometry. My recollection of these matters has perhaps faded a little, but as I recall you stand a small boy of known height on your cabin roof and, with your eye level with his feet, you measure (a) the horizontal distance from his feet to your eye and (b) the angle from the horizontal to a line from your eye that touches the top of the boy’s head and the bottom of the power line. Then the small boy falls off the roof, you have to tack, your pencil falls overboard and it all seems much more difficult than finding the height of a tree. And of course you can’t measure the distance to the power line without sailing up to it, which is what you’re trying to avoid until you can decide whether you can safely do so. [Note: this paragraph is not to be used for navigation.]

Life would, therefore, be much easier (and safer) if you knew the minimum clearance under the power lines. Happily, NIE Networks is happy to tell people what it is; I emailed and a speedy response including this:

The clearance on all NIE Networks overhead power lines which cross over navigable waters is 10.5m (lower bank to line or earth). All overhead power lines are marked on navigation charts for the Erne and Lower Bann waters.

However, it should be noted that this is the clearance for NIE Networks overhead power lines and applicable to Northern Ireland only. Clearances for overhead power lines in the Republic of Ireland may be different and would require confirmation from the Electricity Supply Board (ESB).

Big it up for NIE Networks, then. But over several years I tried unsuccessfully to get the ESB to give me the equivalent information for lines crossing navigable waterways in the republic; it would not do so. Without that information, boaters cannot “ensure that [their] mast or aerial has proper clearance from any power lines”, so ESB’s advice is useless blather.

It is some time since I last asked ESB for information, and perhaps it has since been made available, but I see no sign of it on the ESB website. I would be glad to hear from anyone who can supply reliable information.

A new concept in electricity transmission

Lower pylons 2_resize

We read on the Clare FM website:

The Government says it is not realistic or financially feasible to run new electricity pylons underground.

Well, yes, I’d imagine there’s something in that. Although I don’t quite see why anyone would want underground pylons. I knew some folk wanted underground electric cables, but hadn’t realised they wanted the pylons buried too.

Personally, I’m all in favour of pylons: I like them, and would like to see more of them. I don’t understand why a row of nice pylons should be thought to make scenery less, er, scenic. It might make scenery less like a pre-industrial idea of scenery, but that’s a good thing; big it up for Stephen Spender.

And think of the industrial heritage value in the future: as well as old canals and railways, folk will come to photograph pylons; indeed some people already do so.

 

Mad foreigners

The August 2013 issue of Practical Boat Owner has just arrived. It has an article by Dick Everitt called “Mind your head …” in which he talks of dangers to boats from above rather than below: dangers from bridges and from electric power lines. He points out that electricity can jump to a metal mast and says:

So a safe clearance distance is given on the chart with a lightning-type symbol and in some countries a big warning sign is positioned nearby too. But do check local Notices to Mariners as long power cables can sag over time, reducing their official charted clearances.

Aren’t foreigners funny? Imagine having electricity suppliers actually telling boaters about the safe clearance under power cables! That would never happen here ….

I have spent several years trying to get ESB to tell me the safe clearances for cables across the Shannon. I thought I was getting somewhere at one stage but nothing happened. Perhaps ESB would prefer boaters to fry than risk getting sued for getting the clearance wrong.

There is no houseboat policy

British Waterways (now in the process of transferring its waterways to the Canal and River Trust) has a commercial subsidiary called British Waterways Marinas Ltd. And BW says:

Our involvement in the commercial moorings business is monitored and regulated by the Board’s Trading Committee [9KB PDF] to ensure that we gain no unfair advantage from our statutory roles and that we comply fully with UK competition law.

BWML, incidentally, has two marinas catering for seagoing boats and also has some caravan pitches available.

As well as providing marinas through BWML, British Waterways also controls long-term moorings along the waterways; its policy on long-term moorings is outlined here with more details here. It uses a system of auctioning moorings, with its own website at BW Mooring Vacancies.

From a quick look at the price list on that second page [PDF], the cheapest mooring seems to be £37.59 (incl VAT) per metre at the Saracens Head on the Leeds and Liverpool Canal, which would be £676.62 a year for an 18m boat; I presume that there would be no services. At the upper end, you can have a residential berth on Regents Canal in London for £8,949.95 a year. Most prices, though, seem to be in the range £70–120 per metre.

The Waterways Ireland houseboat facility

In October 2010 Waterways Ireland announced this (which is hard to find on the WI website):

10/38 Shannon Harbour Developments

Following receipt of planning permission, Waterways Ireland is progressing with the development of a houseboat facility in Shannon Harbour where the Grand Canal meets the Shannon.

The result will be a serviced mooring facility in Shannon Harbour for 6-8 boats. This will include moorings, area lighting, electricity and water.

A section of the Grand Canal, from the 34th Lock to the 35th Lock inclusive, will be closed to navigation between 1st November 2010 and 14th March 2011 to facilitate the improvement works. The towpaths will also be closed during the period of the works.

The design and commissioning of the work has been undertaken by Waterways Ireland. The tenders are currently being assessed and will be awarded shortly.

Waterways Ireland regrets any inconvenience to its customers during the period of the improvement works.

Ends Word Count 133

For further information please contact Waterways Ireland Press Office: Katrina Mc Girr Tel no +353 (0)87 991 8412

Senior Engineer (Technical Services) Joe Mc Mahon Tel no +353 (0)48 6634 6270

Here is the tender for “Development of House Boat Facility”. There are some photos of the work in progress here. Early in 2011 WI reported (inter alia) that:

11/05 Works at Shannon Harbour

Works at Shannon Harbour Continue Despite Weather Conditions

[…] The work on the house boat facility is still on programme with completion expected in early March 2011.

During Engineers Week in 2011, WI provided site visits:

11/08 Engineers Week

Waterways Ireland Offers Engineering Insights

[…] The site visit to the Grand Canal was based at Shannon Harbour, near Banagher. The tour took in the completed regeneration works in Shannon Harbour and the ongoing work to develop a new houseboat facility.

L+M Keating describe the work here. And in April 2011 WI Marine Notice 34/11 announced that the navigation had reopened:

MARINE NOTICE No. 34 of 2011 […]

Marine Notice No. 27 of 2011 refers.

Waterways Ireland wishes to advise masters and users that the navigable channel in Shannon Harbour is now open.

The new house boat facility remains closed to the public as construction work continues.

Waterways Ireland regrets any inconvenience that this may cause its customers.

So that’s all clear, then: WI was developing houseboat berths at Shannon Harbour, although it was having difficulty in finalising a houseboat policy. I commented on some of the issues here.

The latest developments

In January 2012 page2rss alerted me to a new item on the WI website and it turned out to be about the berths in Shannon Harbour. There is a link in the menu on the left-hand side of the WI home page; it says “One Year Serviced Moorings” and leads to a page whereon we read this:

Waterways Ireland’s Extended Term Serviced Mooring Vacancies

This page advertises vacancies that arise at Waterways Ireland’s directly managed mooring sites. Vacancies are advertised for 28 days in advance of allocation.

If you are not a regular internet user and would prefer to receive vacancy details and apply for a vacancy by post, please call (028) 6632 3004 or (048) 6632 3004 from Southern Ireland for an application form.

Latest Release: Shannon Harbour, Grand Canal, Co Offaly
Deadline for Application: 23 February 2012
Minimum entry bid Price €1,250

View full details

Download an application form

View the Mooring Agreement 

Each of the links is to a Word *.doc file.

The missing word

Have you noticed what word is not used there or on the front page?

HOUSEBOAT

or even

HOUSE BOAT

Previous discussion of the Shannon Harbour development, including notices from Waterways Ireland, has been about a facility for houseboats. However, what we have here is something much broader than that: a system by which Waterways Ireland can auction and allocate long-term serviced moorings. WI is going into business and, presumably, aiming to make a few quid (no bad thing, considering that it has been suffering budget cuts).

The current offering

Now, admittedly the present offering does hope to attract houseboats. The “full details” document says:

These are Extended Term Serviced Mooring sites where it is expected that the licence holders will live on board their vessels as their sole or main residence.

That is the only mention of living aboard in that document. There is another in the application form:

I confirm that I am applying for an extended term serviced mooring and the vessel is my sole or principal residence.

As far as I can see, though, the licence agreement refers only to extended term serviced moorings and contains no mention of houseboats, residences or living on board.

So let us suppose that WI doesn’t get seven houseboat-owners who don’t work from their boats, have no pets and want to live in Shannon Harbour. It could then advertise the spaces to barge-owners who wanted non-residential moorings. And at €1250 a year, they are charging about one third of the rate at certain marinas on the Shannon.

Further afield

The licence agreement could also be used, mutatis mutandis, to cover moorings elsewhere within the WI estate. It would not be difficult, for instance, to apply it to the moorings in the inner basin of the Grand Canal Dock in Ringsend in Dublin, with most changes confined to the second schedule.

And it could be applied just as easily to unserviced moorings anywhere along the waterways. Indeed the agreement specifically caters for that:

The Licensor regards the development of extended term and/or serviced moorings as an integral part of the functions referenced at B. above.

So it could be used, for example, to control the allocation of unserviced moorings at Shannon Harbour, Lowtown, Sallins or Hazelhatch, to residential or non-residential boaters: in other words, to anyone who parks their boat on a canal. I have, of course, no evidence that WI has it in contemplation to do any such thing, but it is interesting that the agreement provides for it.

Legal authority

It may be that WI has solved the problem of developing a houseboat policy by deciding not to have a houseboat policy. IANAL, but it may be significant that the licence agreement cites legislation on extended mooring:

D. Pursuant to the Canals Act 1986 and the Canals Act 1986 (Bye-Laws) 1988 (SI No. 247 of 1988) (“the Bye-Laws”) the Licensor is authorised to issue permits to authorise and regulate the use of boats on the canal property so as to permit not only mooring on the canals generally but also, pursuant to Clause 25(d) of the Bye-Laws, extended mooring at the same place, or within 500 metres of the same place, for a period of more than five days at a time.

E. The Licensor regards the development of extended term and/or serviced moorings as an integral part of the functions referenced at B. above.

F. To this end, the Licensor has developed at Shannon Harbour, on lands adjacent to the Grand Canal, a dedicated area containing seven berths for the purpose of extended term serviced mooring, with facilities provided to include the construction of fixed timber jetties with lighting, a clean water supply and electricity supply.

G. The Licensor in exercise of the powers conferred under the Act and the Bye-Laws and of all other powers enabling has agreed to grant to the Licensee a permit to moor his boat named _________ and more particularly described in Part 1 of the First Schedule hereto (“the Boat”), in this mooring facility subject to the terms set out herein, including a charge (“the Licence Fee”) of €_________ payable in consideration of the particular nature of the mooring as described at F above.

It regards the legislation as providing authority not just for regulation of extended mooring itself but also for the development of extended moorings. Could it be that WI feared that the development of houseboat moorings might be ultra vires?

In any event, by approaching the matter in this way, WI has given itself a system that can be applied much more widely to canal issues than just to the regulation of liveaboards.

Behavioural and Technical issues

These documents raise some further issues. For example, there are stipulations about behaviour:

7c Biodegradable products must be used for all cleaning water that is discharged into the navigation.

8a No pets are allowed.

9b If social events are to take place on Boats then noise levels must be contained so as not to disturb other Berth holders and there should be no noise after midnight.

11i Generators may only be used between 08:00hrs and 20:00hrs.

None of these is unreasonable, especially in the context of residential moorings, but they are indicative of WI preferences that might be applied elsewhere.

There are also some technical issues. They include a stipulation that would mean that no large Dutch barges, or other Shannon-size-only vessels, could use the Shannon harbour berths, and that no engineless houseboats are allowed:

g. Boats must be capable of moving under their own steam and be capable of navigation in the canal network.

The dimensions of the Shannon Harbour berths confine them to GCC-size vessels, but would (for instance) a high wheelhouse or a deep draught mean that a boat could not use these berths?

Here are some other technical stipulations. It is not clear how or whether WI would enforce these, but it has the power to do so:

6a All Boats must carry adequate fire fighting equipment and have same serviced as per the manufacturer’s recommendations.

10a Boats must comply with all current bye-law legislation in relation to construction and equipment.

10b Boats must be fitted with an operational waste water holding tank.

10c Engines must be fitted with a drip tray. Engines must be maintained so as to minimise the likelihood of fuel or oil leaks into bilges.

10d Boats must have a manual bilge pump fitted.

10e Boats must have appropriate certification for gas and electrical fits.

10f Boats must have had a recent survey (3 yearly).

Again, these indicate WI desiderata. Might they be introduced in other contexts? Note in particular the reqirement for three-yearly surveys and for certification of gas and electricity installations.

Envoi

I should say that, on the whole, I welcome these documents, but I do think that their provisions — and the context — need to be considered. And I have some reservations about this, if anyone is living aboard:

The Licensor’s Inspectorate staff shall be permitted access to Boats in order to secure same, make safety checks, or routine inspections.

 

Power play

The ESB owns or controls certain parts of Hayes Island, in the middle of Portumna Bridge, on the Shannon at the upper end of Lough Derg. Many boats moor to the island: some had long-standing agreements with ESB and others had indirect arrangements. ESB has now, by posting a notice on a gate, given the boat-owners 21 days to remove their boats. It seems that the ESB was officially unaware that it had boats moored on its land, although it certainly made agreements with some of the boaters and it supplied electricity to others.

I have asked the ESB press office for information but it has not yet replied.