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Track Centerline

1 page · 2 crops · ×2 · other

Matched toCrossing Alignmentbridge.alignment_system.crossing_alignmenton “TRACK”

2 not established
The class asks forValueHowFrom
Skew AngleTHETAwants degnot establishedNeither clearance-diagram reading states an angle for ℄ TRACK, and no skew angle can be derived from the shown clearance dimensions.not found
ChainageCHwants mnot establishedNeither reading gives a chainage or station for ℄ TRACK.not found

Worked out by openai/gpt-5.6-terra from the readings below, which are the source. A derived value shows its arithmetic — check it against the drawing before it is priced.

How the sheets named it

℄ TRACK

Every crop it was read in — the drawing beside what the model took off it

Page 1

crop

p01_r05 construction clearance diagram

page 1 · gdot_drawing_for_one_item_1d2aef44145e4a0fb4e1079a43f94de1_p01_r05_construction_clearance_diagram
Original
p01_r05 construction clearance diagram
{
  "view": "Detail",
  "objects": [
    {
      "name": "construction clearance envelope",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": "Clearance diagram outline."
    },
    {
      "name": "track centerline",
      "tag": "℄ TRACK",
      "shape": "line",
      "material": "",
      "count": 1,
      "note": "Vertical dashed centerline shown."
    },
    {
      "name": "top of high rail",
      "tag": "TOP OF HIGH RAIL",
      "shape": "horizontal line",
      "material": "",
      "count": 1,
      "note": "Bottom reference line of clearance diagram."
    }
  ],
  "measurements": [
    {
      "label": "overall vertical clearance",
      "value": "22'-0\"",
      "unit": "",
      "appliesTo": "construction clearance envelope"
    },
    {
      "label": "horizontal clearance from track centerline to left side",
      "value": "13'-0\"",
      "unit": "",
      "appliesTo": "construction clearance envelope"
    },
    {
      "label": "horizontal clearance from track centerline to right side",
      "value": "13'-0\"",
      "unit": "",
      "appliesTo": "construction clearance envelope"
    }
  ],
  "notes": [],
  "labels": [
    "CONSTRUCTION CLEARANCE DIAGRAM",
    "NO SCALE"
  ],
  "description": "This crop shows a construction clearance diagram, not to scale. A rectangular clearance envelope is centered on the track centerline, with the bottom line referenced to the top of high rail."
}

p01_r05 construction clearance diagramDetail

  • track centerline℄ TRACK×1lineVertical dashed centerline shown.

22'-0" overall vertical clearance13'-0" horizontal clearance from track centerline to left side13'-0" horizontal clearance from track centerline to right side

crop

p01_r05

page 1 · other_p01_r05
Original
p01_r05
{
  "view": "Detail",
  "objects": [
    {
      "name": "construction clearance envelope",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": "Rectangle shown about the track centerline."
    },
    {
      "name": "track centerline",
      "tag": "℄ TRACK",
      "shape": "dashed line",
      "material": "",
      "count": 1,
      "note": "Vertical dashed centerline."
    }
  ],
  "measurements": [
    {
      "label": "vertical construction clearance",
      "value": "22'-0\"",
      "unit": "",
      "appliesTo": "construction clearance envelope"
    },
    {
      "label": "horizontal clearance from ℄ TRACK to left side",
      "value": "13'-0\"",
      "unit": "",
      "appliesTo": "construction clearance envelope"
    },
    {
      "label": "horizontal clearance from ℄ TRACK to right side",
      "value": "13'-0\"",
      "unit": "",
      "appliesTo": "construction clearance envelope"
    }
  ],
  "notes": [],
  "labels": [
    "TOP OF HIGH RAIL",
    "CONSTRUCTION CLEARANCE DIAGRAM",
    "NO SCALE"
  ],
  "description": "This crop shows a construction clearance diagram around a track centerline. A rectangular clearance envelope is dimensioned 13'-0\" each side of ℄ TRACK and 22'-0\" vertically above the top of high rail reference."
}

p01_r05Detail

  • track centerline℄ TRACK×1dashed lineVertical dashed centerline.

22'-0" vertical construction clearance13'-0" horizontal clearance from ℄ TRACK to left side13'-0" horizontal clearance from ℄ TRACK to right side