compute_road_marking

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Paid tier only. Calling this without an authenticated CivilQuants account returns TIER_INSUFFICIENT — sign up at https://civilquants.com/pricing or use the free-tier alternative compute_end_area_earthworks. Road marking installation per SHW Cl. 1207-1215 and TSRGD 2016. Discriminates between five UK marking-line classifications via the marking_line_type enum: continuous, broken_short, broken_long, double_continuous, lane_line. Plus parallel discriminators on three further WorkCategory entries: area_marking_type on ROAD_MARKING_AREA, symbol_type on ROAD_MARKING_SYMBOL, and stud_type on ROAD_STUD. THIRD member of the highway L1 leaf (after S36 VRS, S37 traffic_sign) and SECOND member of the highway_signs_markings L2 leaf — 42nd assembly. The highway_signs_markings L2 leaf becomes the first L2 leaf in the highway L1 to reach 2 members. Five variant presets cover the principal UK commercial scenarios: urban continuous white line, rural broken centreline with hazard, motorway hatched chevron, junction give-way with triangle, and motorway lane line with studs. Routes via four new WorkCategory entries (ROAD_MARKING_LINE, ROAD_MARKING_AREA, ROAD_MARKING_SYMBOL, ROAD_STUD). Codes: CESMM4 X.5 (Class X §5 — road markings), NRM2 34.9 (Site works — markings), MMHW 1200.1.{w} (Series 1200 — Traffic Signs and Road Markings, with 1D banding by line_width_class), SMM7 Q40.7 (Section Q40 — Fencing/site furniture). 26th use of classed-then-legacy attribute discrimination pattern; 7th use of declared-then-banded (remains 1D — material rejected as a banding axis). Broadest unit-mix in any single CivilQuants assembly: m of line + m² of area + nr of symbol + nr of stud. Example params: actual_line_width_mm=100 mm (50–450), line_length_m=200 m (0–10000), secondary_line_length_m=0 m (0–10000). Example call: {"params": {"actual_line_width_mm": 100, "line_length_m": 200, "secondary_line_length_m": 0}, "standard": "MMHW"}. Omitted parameters use sensible engineering defaults. Pass deliverables=["xlsx","dxf","pdf"] (any subset) to also receive one-shot download URLs in the same call: Excel BoQ (both tiers, watermarked free) plus the dimensioned DXF (CAD) and PDF drawing sheets (paid tier).