Stone, tarmac and asphalt are expensive to transport over long distances. When budgets for recreation provision are limited it makes sense to use locally won materials where these are cheaper and suitable for the degree of wear and tear expected.
|
Unsealed surfaces can be subject to heavy wear and tear, erosion, potholing and puddles unless regularly maintained. ‘Sheepwash’, North York Moors National Park, England. |
Simple, stout barriers constructed from thick, straight logs placed on two short, upright posts of similar dimensions and set fairly deeply into the ground are quite effective. Varying the length …
These can be constructed from spare excavated material. They need to be steeply graded on the side facing the parking spaces, and should be graded into the landform on the …
The car park construction will normally include a certain amount of excavation, which should be done in stages. For example, turf should be stripped and stored, followed by topsoil removal …
Любые материалы сайта можно публиковать с ссылкой на источник.
© 1999–2019 
Карта сайта
