ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE

Child Classifications

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• E01F 1/00 Construction of platforms or refuge islands (general arrangement of railway platforms )
• E01F 11/00 Embedding pads or other sensitive devices in paving or other road surfaces (pressure-sensitive elements G01L; traffic control systems G08G)
• E01F 13/00 Arrangements for obstructing or restricting traffic, e.g. gates, barricades (for railway crossings B61L )
• E01F 15/00 Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact (arrangements for fastening signs or signals to safety barriers or the like E01F9/669; for forcibly arresting vehicles E01F13/00)
• E01F 3/00 Landing stages for helicopters, e.g. located above buildings (layout of airfields B64F; buildings or like structures for special purposes E04H)
• E01F 5/00 Draining the sub-base of roads or ballastway of railways by trenches, culverts, or conduits ( underground drainage E02D; conduits for sewerage E03F)
• E01F 7/00 Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks (permanently installed heating or blowing devices for roads E01C11/26); Anti-dazzle arrangements
• E01F 8/00 Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic (ground installations for reducing aircraft noise B64F1/26; general building constructions for absorbing or reflecting noise, noise absorption or reflection for buildings E04B1/74)
• E01F 9/00 Arrangement of road signs or traffic signals; Arrangements for enforcing caution (for obstructing or restricting traffic E01F13/00)