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Hi Ross
With a good 360 degree machine driver who can grade off properly with a ditching bucket on, he'll be able to grade and stock pile the existing gravel with out any sub soil mixed up.....do a third at a time and install terram to keep the gravel seperate from the sub-soil and helps to suprees weeds... continue till the entire driveway has been terramed
as your client is holding you back from installing correctly by means of a 150mm consolidated sub base installed in two consolidated layers below the gravel then firstly id get an autograph from him stating this is HIS requirements and secondly when topping up with fresh gravel you cant allow the lorry to back onto this unsuitable driveway as there is no suitable driveway sub base to allow such a heavy lorry onto it..........watch this project doesnt bite you back......insist on having all angles of eventual defects sign for.....even then when it does fail will he bad mouth you????
Personally I would not allow myself to be involved with what can only be described as a bodge up
Kerry
Marshalls Approved Driveway Installer Devon
Ross,
I would come with few options for them ( out of budget and let them choose) My experience is that, they will increase the budget or delay it to later on and call you later.
There were few threads on that, a layer of gravel needed, I would use a liner too.
I can suggest what many people order from me heavy duty edging so it will look neat and tidy.
At a price that no one can offer you! Will be happy to send you samples
Hoggin Data Sheet
Hoggin
Gravel as it occurs naturally is usual known as either as "dug gravel" or "pit-run
gravel". Such gravels often contain a considerable amount of clay or dirt (binder),
which if the material is required for road base or surface work, is an advantage. This
material is known as Hoggin. Such materials when compacted can make a very stable
surface.
Hoggin should generally contain no particle larger than 40mm and be well graded
(i.e. different sizes of particles being evenly represented). The precise mix of clay,
sand and gravel is essential if the material is to function effectively.
Laying Specification
The Hoggin should be spread evenly over a suitable base and compacted with an 8-
tonne roller to the required thickness. Should this thickness be greater than 80mm
then it should be laid and compacted in successive layers not exceeding 80mm.
Usually a depth of around 80/100mm after compaction will be suitable for
pedestrian/light vehicle use.
When the required depth of Hoggin has been laid, 50mm depth of a 20mm gravel
should be rolled into the surface. This layer of gravel is bound by the Hoggin and
provides the wearing course. With 100mm of Hoggin and 50mm of gravel, total build
up will be about 130mm. It is important that the Hoggin does not sit in water. The
sub-base must be laid to falls like the final surface.
Issue Date: 17 Nov 2004
ref: http://www.ced.ltd.uk/pdf/Hoggin.pdf
How about this for a solution. This and more can be seen at www.kerstenuk.com
Or call us on 01189869253
Gravel%20Path%20Renovator.pdf
Has anyone used these machines? Any good?
Kersten UK, are these gravel path renovators available to hire please?
Thanks, Glen.