Drawing to BOQpipeline control sheet
← Mindmapwhat the drawings said

High Rail

1 page · 2 crops · ×2 · other

Matched toCrossing Alignmentbridge.alignment_system.crossing_alignmenton “TOP OF HIGH RAIL”

2 not established
The class asks forValueHowFrom
Skew AngleTHETAwants degnot establishedNeither high-rail detail states a skew angle, and no stated dimensions establish one by arithmetic.not found
ChainageCHwants mnot establishedNeither high-rail detail provides a chainage or station reference from which chainage can be derived.not found

Worked out by openai/gpt-5.6-terra-pro 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

top of high railTOP OF HIGH RAIL

Notes on the sheets that carry it

  • p1TOP OF HIGH RAIL, TYP.
  • p1ENDFILL CONTROL POINT, TYP.
  • p1* NORMAL TO RR ℄

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

Page 1

crop

p01_r03 endfill control diagram

page 1 · gdot_plan_1_050106c481ea4f86900e478c2e4a98a6_p01_r03_endfill_control_diagram
Original
p01_r03 endfill control diagram
{
  "view": "Detail",
  "objects": [
    {
      "name": "endfill",
      "tag": "",
      "shape": "sloping profile",
      "material": "",
      "count": 1,
      "note": "Shown with a 1/2 side slope."
    },
    {
      "name": "endfill control point",
      "tag": "",
      "shape": "point",
      "material": "",
      "count": 1,
      "note": "Called out as typical."
    },
    {
      "name": "high rail",
      "tag": "",
      "shape": "linear",
      "material": "",
      "count": 1,
      "note": "Top of high rail is called out as typical."
    }
  ],
  "measurements": [
    {
      "label": "horizontal dimension",
      "value": "15'-0\"",
      "unit": "",
      "appliesTo": "From ℄ FUTURE TRACK to first vertical control line"
    },
    {
      "label": "horizontal dimension",
      "value": "4'-0\"",
      "unit": "",
      "appliesTo": "Between vertical control lines"
    },
    {
      "label": "horizontal dimension",
      "value": "2'-0\"",
      "unit": "",
      "appliesTo": "Between vertical control lines"
    },
    {
      "label": "vertical dimension",
      "value": "4'-9\"",
      "unit": "",
      "appliesTo": "TOP OF HIGH RAIL, TYP."
    },
    {
      "label": "slope",
      "value": "1/2",
      "unit": "",
      "appliesTo": "endfill"
    }
  ],
  "notes": [
    "TOP OF HIGH RAIL, TYP.",
    "ENDFILL CONTROL POINT, TYP.",
    "* NORMAL TO RR ℄"
  ],
  "labels": [
    "℄ FUTURE TRACK",
    "ENDFILL CONTROL DIAGRAM",
    "NO SCALE"
  ],
  "description": "This crop shows an endfill control diagram, identified as no scale. It depicts the endfill profile and typical control point relative to the future track centerline and top of high rail."
}

p01_r03 endfill control diagramDetail

  • high rail×1linearTop of high rail is called out as typical.

15'-0" horizontal dimension4'-0" horizontal dimension2'-0" horizontal dimension4'-9" vertical dimension1/2 slope

crop

p01_r05 construction clearance diagram

page 1 · gdot_plan_1_050106c481ea4f86900e478c2e4a98a6_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 centered on track centerline."
    },
    {
      "name": "track centerline",
      "tag": "CL TRACK",
      "shape": "dash-dot vertical line",
      "material": "",
      "count": 1,
      "note": "Shown extending below the clearance envelope."
    },
    {
      "name": "top of high rail",
      "tag": "TOP OF HIGH RAIL",
      "shape": "horizontal line",
      "material": "",
      "count": 1,
      "note": "Aligned with the bottom of the clearance envelope."
    }
  ],
  "measurements": [
    {
      "label": "overall vertical clearance",
      "value": "22'-0\"",
      "unit": "",
      "appliesTo": "construction clearance envelope"
    },
    {
      "label": "horizontal clearance from CL TRACK to left side",
      "value": "13'-0\"",
      "unit": "",
      "appliesTo": "construction clearance envelope"
    },
    {
      "label": "horizontal clearance from CL TRACK 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 for a track. A rectangular clearance envelope is dimensioned 22'-0\" high and 13'-0\" each side of the CL TRACK, with its bottom at the TOP OF HIGH RAIL."
}

p01_r05 construction clearance diagramDetail

  • top of high railTOP OF HIGH RAIL×1horizontal lineAligned with the bottom of the clearance envelope.

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