On the S&W they seem to use two systems. The one used above Compton previously was mallet man installing (we assume) coir rolls held to the old bank with the stakes. The system used below Compton on the offside involves stakes and wires (with anchors in bank) with a black porous material being installed, (narrowing the channel by anything up to a quarter in places) then dredgings are dumped behind the material. This has also been used North of Nantwich on the Shroppie and, as on the S&W we note here too some of the narrowed sections are silting already. It seems that slightly different approaches are used in different places. On the B&F, for example the coir rolls are hung from/attached to perfectly good metal edging with metal hooks and wires.
--- On Sun, 8/10/08, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: From: [EMAIL PROTECTED] <[EMAIL PROTECTED]> Subject: Re: [canals-list] Compton To: [email protected] Date: Sunday, August 10, 2008, 9:33 PM In a message dated 09/08/2008 13:47:16 GMT Standard Time, [EMAIL PROTECTED] com writes: We passed this way in July and met a chap at Compton lock who was visually surveying the area above the lock as his company had just agreed a contract for 'temporary soft edging' above the lock. I don't know if it is the same system, but around Braunston on the Northern Oxford a few weeks ago they were putting in a double row of wooden stakes through which they threaded some sort of fibre (possibly coconut fibre). Behind this they were putting crushed concrete to build up a firm base and topping it off with dredgings. >From the practice on the Chelmer and Blackwater, it looked to me as though the soft edging was expected to rot away eventually but, by the time it did, the crushed concrete and mud from the dredgings would have consolidated to form a firm edge. DaveD [Non-text portions of this message have been removed] [Non-text portions of this message have been removed]
