Cross Sections
Cross section analysis for earthworks and volume calculations | End Area Method | Prismoidal Formula | RDM 1.1 (2025)
RDM 1.1 Table 5.2 Detail Pickup Tolerances
| Feature Class | XY | Z | Use in Cross Sections |
|---|---|---|---|
| Structures, buildings, paved roads | +/-0.025 m | +/-0.015 m | Building corners, kerbs, paved carriageway edges, drainage structures |
| Gravel pavements | +/-0.050 m | +/-0.025 m | Gravel shoulders, unpaved access roads, compacted formation surfaces |
| All other areas | +/-0.100 m | +/-0.050 m | Open ground, vegetation breaks, general topographic spot levels |
Road Template Settings
Cross Section Data
Format: Chainage (km), Chainage (m), CL RL, Form RL, then L4_off, L4_rl, L3_off, L3_rl, L2_off, L2_rl, L1_off, L1_rl, R1_off, R1_rl, R2_off, R2_rl, R3_off, R3_rl, R4_off, R4_rl
| Ch km | Ch m | CL RL | Form RL | Left Shots (outer→CL) | Right Shots (CL→outer) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Off | RL | Off | RL | Off | RL | Off | RL | |||||||||