Road maintenance according to their nature, size, technical complexity is divided into minor repair,Hair dryer sales platform repair, overhaul and improvement of four categories. Specifically divided into:
(1) minor maintenance project: the highway and all of its facilities for preventive maintenance and repair minor damage to its part, so that often maintained in good condition. It is usually carried out daily by the Maintenance Road Class within one year of a minor maintenance schedule,energy saving stone power trowel parts seller
(2) in the repair works: the road engineering facilities, general wear and local damage to the regular repair and reinforcement to restore the status quo of small-scale projects. It is usually arranged by the grassroots maintenance agencies in accordance with the annual (quarter) plan and organize the implementation.save oil municipal sanitation equipment
(3) The overhaul works will be carried out periodically and comprehensively in order to restore to the original design standard, or to carry out local improvement within the original technical level and to build the highway to gradually increase the highway capacity. It is usually organized by the grass-roots maintenance agencies or,Perfect Road Milling Machine Price with the help of their parent organizations, in accordance with the approved project budget for the annual plan.
(4) to improve the project for highway and its engineering facilities due to not meet the traffic volume and load needs by stages to improve the technical level, or by improving significantly improve the capacity of larger projects. It is usually organized by the regional maintenance agencies or provincial road maintenance agencies in accordance with the approved planning and design budget to organize the implementation or tender to complete.