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Diaphragm Bar Hole

2 pages · 6 crops · ×10 · superstructure

⚠ No class in the bridge ontology fits this itemAdd a class

The ontology would need a diaphragm-bar recess or opening class.

How the sheets named it

Recess (pocket for diaphragm bar end)Recess hole

Every dimension read for it1

  • 2" inDiameterp10 · p10_r01

Notes on the sheets that carry it

  • p10MIDPOINT, DETAILS SYMMETRICAL ABOUT MIDPOINT UNLESS NOTED
  • p10ALL DIMENSIONS ARE ALONG ℄ BEAM
  • p10OMIT HOLE AT BEAMS 6 AND 12
  • p10OMIT HOLE AT BEAMS 1 AND 7
  • p10℄ 2" DIAMETER HOLE FOR DIAPHRAGM BAR
  • p106 - DRAPED STRANDS
  • p10℄ LOW FRICTION TYPE HOLD DOWN
  • p10ΔNC = 1/2"
  • p10ΔC = 1/16"
  • p118 - DRAPED STRANDS
  • p11ALL DIMENSIONS ARE ALONG C BEAM
  • p112-550 AT EACH LOCATION
  • p112-650 AT EACH LOCATION
  • p11DIAPHRAGM BAR SHALL BE A 1" DIAMETER PLAIN BAR, THREADED 5" ON EACH END, WITH 1/4" X 3 1/2" DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).
  • p11TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C OF THE GEORGIA DOT SPECIFICATIONS.
  • p11AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAINT DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS WITH SPECIAL PROTECTIVE COATING NO. 2 P AS PER SECTION 535 OF THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL THE RECESS WITH AN APPROVED EPOXY GROUT.
  • p11GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT REQUIRED.
  • p11CUT OFF EXCESS DIAPHRAGM BAR 1" FROM BEAM FACE.

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

Page 10

crop

p10_r01 notes

page 10 · gdot_plan_649084f395824aaebf1f5ed48132696f_p10_r01_notes
Original
p10_r01 notes
{
  "view": "Elevation",
  "objects": [
    {
      "name": "PSC beam",
      "tag": "",
      "shape": "I-girder/prestressed beam (tapered ends shown)",
      "material": "precast/prestressed concrete",
      "count": 1,
      "note": "Elevation of a single precast prestressed concrete beam, symmetrical about midpoint unless noted; details apply to beams 1 through 12 with specific omissions noted"
    },
    {
      "name": "draped strands",
      "tag": "",
      "shape": "strand, draped profile",
      "material": "prestressing steel",
      "count": 6,
      "note": "6 draped strands shown schematically along beam length"
    },
    {
      "name": "diaphragm bar hole",
      "tag": "",
      "shape": "circular, 2\" diameter",
      "material": "void/opening in concrete",
      "count": 2,
      "note": "Centered holes for diaphragm bar; omitted at Beams 6 and 12 on one side, and Beams 1 and 7 on other side"
    },
    {
      "name": "reinforcement bar group",
      "tag": "550",
      "shape": "bar",
      "material": "reinforcing steel",
      "count": null,
      "note": "2-550 at each location, stirrup/reinforcement spacing along beam"
    },
    {
      "name": "reinforcement bar group",
      "tag": "450",
      "shape": "bar",
      "material": "reinforcing steel",
      "count": null,
      "note": "2-450 shown near top of beam, also 8-451 vertical bars and 10-350 at 6\" spacing"
    },
    {
      "name": "reinforcement bar group",
      "tag": "451",
      "shape": "bar",
      "material": "reinforcing steel",
      "count": 8,
      "note": "8-451 bars noted vertically"
    },
    {
      "name": "reinforcement bar group",
      "tag": "350",
      "shape": "bar",
      "material": "reinforcing steel",
      "count": 10,
      "note": "10-350 bars at 6\" spacing"
    },
    {
      "name": "reinforcement bar group",
      "tag": "651",
      "shape": "bar",
      "material": "reinforcing steel",
      "count": null,
      "note": "2-651 at each location near bent end"
    },
    {
      "name": "reinforcement bar group",
      "tag": "452",
      "shape": "bar",
      "material": "reinforcing steel",
      "count": 2,
      "note": "2-452 shown at right end of beam near bent"
    },
    {
      "name": "low friction type hold down",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 1,
      "note": "Centerline marked at midpoint region of beam"
    },
    {
      "name": "bearing",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 2,
      "note": "Centerline of bearing marked at both ends of beam"
    },
    {
      "name": "partial section detail",
      "tag": "SECTION A",
      "shape": "",
      "material": "",
      "count": 1,
      "note": "Partial cross-section shown at right edge of crop, cut off, showing dimensions 5\", 6\", 2-1/2\", 2 spaces at 2\", 7 spaces at ... (cut off)"
    }
  ],
  "measurements": [
    {
      "label": "Span length",
      "value": "55'-0\"",
      "unit": "ft-in",
      "appliesTo": "beam/span"
    },
    {
      "label": "Beam length",
      "value": "53'-7 5/8\"",
      "unit": "ft-in",
      "appliesTo": "beam"
    },
    {
      "label": "Midpoint distance",
      "value": "26'-9 13/16\"",
      "unit": "ft-in",
      "appliesTo": "beam midpoint"
    },
    {
      "label": "Distance from midpoint mark",
      "value": "9 13/16\"",
      "unit": "in",
      "appliesTo": "beam"
    },
    {
      "label": "Spacing",
      "value": "3 SPACES AT 24\"",
      "unit": "in",
      "appliesTo": "beam reinforcement/strand spacing"
    },
    {
      "label": "Spacing",
      "value": "6\"",
      "unit": "in",
      "appliesTo": "beam"
    },
    {
      "label": "Spacing",
      "value": "18 SPACES AT 12\"",
      "unit": "in",
      "appliesTo": "beam reinforcement spacing"
    },
    {
      "label": "Spacing",
      "value": "4\"",
      "unit": "in",
      "appliesTo": "beam"
    },
    {
      "label": "Spacing",
      "value": "3 SPACES AT 4\"",
      "unit": "in",
      "appliesTo": "beam"
    },
    {
      "label": "Distance",
      "value": "2\"",
      "unit": "in",
      "appliesTo": "beam end near bent"
    },
    {
      "label": "Bar group quantity",
      "value": "2-550",
      "unit": "",
      "appliesTo": "reinforcement, each location"
    },
    {
      "label": "Bar group quantity",
      "value": "2-450",
      "unit": "",
      "appliesTo": "reinforcement"
    },
    {
      "label": "Bar group quantity",
      "value": "8-451",
      "unit": "",
      "appliesTo": "reinforcement"
    },
    {
      "label": "Bar group quantity",
      "value": "10-350 AT 6\"",
      "unit": "in",
      "appliesTo": "reinforcement spacing"
    },
    {
      "label": "Bar group quantity",
      "value": "2-651",
      "unit": "",
      "appliesTo": "reinforcement, each location"
    },
    {
      "label": "Bar group quantity",
      "value": "2-452",
      "unit": "",
      "appliesTo": "reinforcement"
    },
    {
      "label": "Distance",
      "value": "2 1/2\"",
      "unit": "in",
      "appliesTo": "beam end near bent"
    },
    {
      "label": "Vertical camber tolerance",
      "value": "1/2\"",
      "unit": "in",
      "appliesTo": "ΔNC (non-composite deflection)"
    },
    {
      "label": "Vertical camber tolerance",
      "value": "1/16\"",
      "unit": "in",
      "appliesTo": "ΔC (composite deflection)"
    },
    {
      "label": "Distance from end",
      "value": "1'-9\"",
      "unit": "ft-in",
      "appliesTo": "beam, hole location"
    },
    {
      "label": "Distance",
      "value": "6 7/8\"",
      "unit": "in",
      "appliesTo": "beam, hole spacing"
    },
    {
      "label": "Distance",
      "value": "6 7/8\"",
      "unit": "in",
      "appliesTo": "beam, hole spacing"
    },
    {
      "label": "Distance",
      "value": "10 3/16\"",
      "unit": "in",
      "appliesTo": "beam end to bearing"
    },
    {
      "label": "Distance",
      "value": "8\"",
      "unit": "in",
      "appliesTo": "beam end to bearing"
    },
    {
      "label": "Distance",
      "value": "1'-6 3/16\"",
      "unit": "ft-in",
      "appliesTo": "beam end (BFPR) to bearing centerline"
    },
    {
      "label": "Centerline bearing to bearing",
      "value": "52'-3 5/8\"",
      "unit": "ft-in",
      "appliesTo": "beam"
    },
    {
      "label": "Distance",
      "value": "8\"",
      "unit": "in",
      "appliesTo": "beam end to bearing (other end)"
    },
    {
      "label": "Distance",
      "value": "6 3/16\"",
      "unit": "in",
      "appliesTo": "beam end to bearing (other end)"
    },
    {
      "label": "Distance",
      "value": "1'-2 3/16\"",
      "unit": "ft-in",
      "appliesTo": "beam end to bent"
    },
    {
      "label": "Section detail dimension",
      "value": "5\"",
      "unit": "in",
      "appliesTo": "Section A (partial, cropped)"
    },
    {
      "label": "Section detail dimension",
      "value": "6\"",
      "unit": "in",
      "appliesTo": "Section A (partial, cropped)"
    },
    {
      "label": "Section detail dimension",
      "value": "2 1/2\"",
      "unit": "in",
      "appliesTo": "Section A (partial, cropped)"
    },
    {
      "label": "Section detail dimension",
      "value": "2 SPACES AT 2\"",
      "unit": "in",
      "appliesTo": "Section A (partial, cropped)"
    },
    {
      "label": "Section detail dimension",
      "value": "3\"",
      "unit": "in",
      "appliesTo": "Section A (partial, cropped)"
    },
    {
      "label": "Section detail dimension",
      "value": "7 SP... (cut off)",
      "unit": "",
      "appliesTo": "Section A (partial, cropped)"
    },
    {
      "label": "Section detail dimension",
      "value": "1'-... (cut off)",
      "unit": "ft-in",
      "appliesTo": "Section A (partial, cropped)"
    }
  ],
  "notes": [
    "MIDPOINT, DETAILS SYMMETRICAL ABOUT MIDPOINT UNLESS NOTED",
    "ALL DIMENSIONS ARE ALONG ℄ BEAM",
    "OMIT HOLE AT BEAMS 6 AND 12",
    "OMIT HOLE AT BEAMS 1 AND 7",
    "℄ 2\" DIAMETER HOLE FOR DIAPHRAGM BAR",
    "6 - DRAPED STRANDS",
    "℄ LOW FRICTION TYPE HOLD DOWN",
    "ΔNC = 1/2\"",
    "ΔC = 1/16\""
  ],
  "labels": [
    "NOTES",
    "ELEVATION",
    "B.F.P.R.",
    "℄ BENT",
    "℄ BEARING",
    "SECTION A (partial, cropped at right edge)"
  ],
  "description": "This crop shows an elevation view of a single precast/prestressed concrete bridge beam with detailed reinforcement bar callouts, strand draping pattern, hole locations for diaphragm bars, and dimensional spacing along the beam length. A partial cross-section detail (labeled Section A, cut off at the right edge) and a general notes block are also included. The drawing documents beam geometry, bearing locations, camber tolerances, and reinforcing/prestressing details for beam fabrication and placement."
}

p10_r01 notesElevation

  • diaphragm bar hole×2circular, 2" diametervoid/opening in concreteCentered holes for diaphragm bar; omitted at Beams 6 and 12 on one side, and Beams 1 and 7 on other side

55'-0" ft-in Span length53'-7 5/8" ft-in Beam length26'-9 13/16" ft-in Midpoint distance9 13/16" in Distance from midpoint mark3 SPACES AT 24" in Spacing6" in Spacing18 SPACES AT 12" in Spacing4" in Spacing+28 more

crop

p10_r01

page 10 · other_p10_r01
Original
p10_r01
{
  "view": "Elevation",
  "objects": [
    {
      "name": "PSC beam",
      "tag": "",
      "shape": "tapered rectangular (elevation, beam end shown with draped strand profile)",
      "material": "precast, pretensioned concrete",
      "count": 1,
      "note": "Elevation view of a precast prestressed concrete beam end; note text references beams numbered up to 12, but only one beam elevation is drawn here."
    },
    {
      "name": "draped strand group",
      "tag": "",
      "shape": "linear (dashed strand lines)",
      "material": "prestressing strand",
      "count": 6,
      "note": "Labeled '6 - DRAPED STRANDS', shown sweeping from bottom of beam upward toward midpoint."
    },
    {
      "name": "diaphragm bar hole",
      "tag": "",
      "shape": "circular",
      "material": "void in concrete",
      "count": 2,
      "note": "2\" diameter hole for diaphragm bar; omitted at Beams 6 and 12 (one hole) and at Beams 1 and 7 (other hole)."
    },
    {
      "name": "hold down device",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 1,
      "note": "Marked as centerline of 'LOW FRICTION TYPE HOLD DOWN' near midpoint region of beam."
    },
    {
      "name": "bearing point",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 2,
      "note": "Centerline of bearing marked at each end of beam."
    },
    {
      "name": "cross-section detail (partial)",
      "tag": "",
      "shape": "unclear, cropped",
      "material": "",
      "count": 1,
      "note": "Fragment of a 'SECTION AT ...' detail visible at right edge of crop, showing dimensions (1'-0, 5\", 2 1/2\", 6\", 2 spaces at 2\", 3\", 2\", 7 spaces at ..., 1'-6...); title and full shape cut off."
    }
  ],
  "measurements": [
    {
      "label": "Span length",
      "value": "55'-0\"",
      "unit": "",
      "appliesTo": "beam elevation, B.F.P.R. to C Bent"
    },
    {
      "label": "Beam length",
      "value": "53'-7 5/8\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Midpoint distance",
      "value": "26'-9 13/16\"",
      "unit": "",
      "appliesTo": "beam midpoint"
    },
    {
      "label": "Dimension",
      "value": "9 13/16\"",
      "unit": "",
      "appliesTo": "beam elevation, near midpoint"
    },
    {
      "label": "Spacing",
      "value": "3 SPACES AT 24\"",
      "unit": "",
      "appliesTo": "strand/rebar spacing"
    },
    {
      "label": "Dimension",
      "value": "6\"",
      "unit": "",
      "appliesTo": "beam elevation spacing"
    },
    {
      "label": "Spacing",
      "value": "18 SPACES AT 12\"",
      "unit": "",
      "appliesTo": "strand/rebar spacing"
    },
    {
      "label": "Dimension",
      "value": "4\"",
      "unit": "",
      "appliesTo": "beam elevation spacing"
    },
    {
      "label": "Spacing",
      "value": "3 SPACES AT 4\"",
      "unit": "",
      "appliesTo": "strand/rebar spacing"
    },
    {
      "label": "Dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "beam elevation end spacing"
    },
    {
      "label": "Bar count/spec",
      "value": "2-550",
      "unit": "",
      "appliesTo": "reinforcement, each location"
    },
    {
      "label": "Bar count/spec",
      "value": "2-651",
      "unit": "",
      "appliesTo": "reinforcement, each location"
    },
    {
      "label": "Bar count/spec",
      "value": "2-450",
      "unit": "",
      "appliesTo": "reinforcement"
    },
    {
      "label": "Bar count/spec",
      "value": "8-451",
      "unit": "",
      "appliesTo": "reinforcement"
    },
    {
      "label": "Bar count/spacing",
      "value": "10-350 AT 6\"",
      "unit": "",
      "appliesTo": "reinforcement"
    },
    {
      "label": "Bar count/spec",
      "value": "2-452",
      "unit": "",
      "appliesTo": "reinforcement"
    },
    {
      "label": "Dimension",
      "value": "2 1/2\"",
      "unit": "",
      "appliesTo": "beam elevation, end region"
    },
    {
      "label": "Dimension",
      "value": "6 7/8\"",
      "unit": "",
      "appliesTo": "diaphragm bar hole spacing"
    },
    {
      "label": "Dimension",
      "value": "6 7/8\"",
      "unit": "",
      "appliesTo": "diaphragm bar hole spacing"
    },
    {
      "label": "Dimension",
      "value": "1'-9\"",
      "unit": "",
      "appliesTo": "beam elevation vertical dimension near hole"
    },
    {
      "label": "Tolerance",
      "value": "1/2\"",
      "unit": "",
      "appliesTo": "ΔNC"
    },
    {
      "label": "Tolerance",
      "value": "1/16\"",
      "unit": "",
      "appliesTo": "ΔC"
    },
    {
      "label": "Diameter",
      "value": "2\"",
      "unit": "in",
      "appliesTo": "diaphragm bar hole"
    },
    {
      "label": "Dimension",
      "value": "10 3/16\"",
      "unit": "",
      "appliesTo": "beam end, bearing region"
    },
    {
      "label": "Dimension",
      "value": "8\"",
      "unit": "",
      "appliesTo": "bearing centerline offset"
    },
    {
      "label": "Dimension",
      "value": "1'-6 3/16\"",
      "unit": "",
      "appliesTo": "beam end dimension"
    },
    {
      "label": "Bearing to bearing length",
      "value": "52'-3 5/8\"",
      "unit": "",
      "appliesTo": "beam, C bearing to C bearing"
    },
    {
      "label": "Dimension",
      "value": "8\"",
      "unit": "",
      "appliesTo": "bearing centerline offset (opposite end)"
    },
    {
      "label": "Dimension",
      "value": "6 3/16\"",
      "unit": "",
      "appliesTo": "beam end dimension (opposite end)"
    },
    {
      "label": "Dimension",
      "value": "1'-2 3/16\"",
      "unit": "",
      "appliesTo": "beam end dimension (opposite end)"
    },
    {
      "label": "Dimension",
      "value": "1'-0",
      "unit": "",
      "appliesTo": "partial section detail (right edge, cropped)"
    },
    {
      "label": "Dimension",
      "value": "5\"",
      "unit": "",
      "appliesTo": "partial section detail"
    },
    {
      "label": "Dimension",
      "value": "2 1/2\"",
      "unit": "",
      "appliesTo": "partial section detail"
    },
    {
      "label": "Dimension",
      "value": "6\"",
      "unit": "",
      "appliesTo": "partial section detail"
    },
    {
      "label": "Dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "partial section detail"
    },
    {
      "label": "Dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "partial section detail"
    },
    {
      "label": "Spacing",
      "value": "2 SPACES AT 2\"",
      "unit": "",
      "appliesTo": "partial section detail"
    },
    {
      "label": "Spacing",
      "value": "7 SPA AT ...",
      "unit": "",
      "appliesTo": "partial section detail (text cut off)"
    },
    {
      "label": "Dimension",
      "value": "1'-6...",
      "unit": "",
      "appliesTo": "partial section detail (text cut off)"
    }
  ],
  "notes": [],
  "labels": [
    "ELEVATION",
    "NOTES",
    "B.F.P.R.",
    "C BENT",
    "C BEARING",
    "C LOW FRICTION TYPE HOLD DOWN",
    "OMIT HOLE AT BEAMS 6 AND 12",
    "OMIT HOLE AT BEAMS 1 AND 7",
    "SECTION AT"
  ],
  "description": "This crop shows the elevation of one end of a precast, pretensioned concrete bridge beam, dimensioned along its centerline with span length, beam length, bearing locations, strand/rebar spacing callouts (e.g. 2-550, 2-651, 8-451, 10-350), a 2-inch diameter diaphragm bar hole (omitted at specified beam numbers), six draped strands, and a low-friction hold-down location. A small, partially cropped cross-section detail ('SECTION AT ...') with its own set of dimensions appears at the far right edge of the crop but is cut off before its title or full shape can be read."
}

p10_r01Elevation

  • diaphragm bar hole×2circularvoid in concrete2" diameter hole for diaphragm bar; omitted at Beams 6 and 12 (one hole) and at Beams 1 and 7 (other hole).

55'-0" Span length53'-7 5/8" Beam length26'-9 13/16" Midpoint distance9 13/16" Dimension3 SPACES AT 24" Spacing6" Dimension18 SPACES AT 12" Spacing4" Dimension+31 more

Page 11

crop

p11_r01 notes

page 11 · gdot_plan_649084f395824aaebf1f5ed48132696f_p11_r01_notes
Original
p11_r01 notes
{
  "view": "Elevation",
  "objects": [
    {
      "name": "PSC beam",
      "tag": "",
      "shape": "tapered rectangular (I-shaped end shown in partial section at right)",
      "material": "precast concrete",
      "count": 1,
      "note": "Girder elevation shown between Bent 2 and Bent 3, with strand/rebar layout details"
    },
    {
      "name": "draped strands",
      "tag": "",
      "shape": "linear, draped/curved profile",
      "material": "prestressing steel",
      "count": 8,
      "note": "Labeled '8 - DRAPED STRANDS'"
    },
    {
      "name": "reinforcement bar group",
      "tag": "8-451",
      "shape": "straight bars",
      "material": "steel reinforcement",
      "count": 8,
      "note": "Vertical spacing dimension 8-451 shown at right portion of beam"
    },
    {
      "name": "reinforcement bar group",
      "tag": "2-550",
      "shape": "straight bars",
      "material": "steel reinforcement",
      "count": 2,
      "note": "Noted '2-550 AT EACH LOCATION'"
    },
    {
      "name": "reinforcement bar group",
      "tag": "2-450",
      "shape": "straight bars",
      "material": "steel reinforcement",
      "count": 2,
      "note": ""
    },
    {
      "name": "reinforcement bar group",
      "tag": "2-650",
      "shape": "straight bars",
      "material": "steel reinforcement",
      "count": 2,
      "note": "Noted '2-650 AT EACH LOCATION'"
    },
    {
      "name": "reinforcement bar group",
      "tag": "13-350",
      "shape": "straight bars",
      "material": "steel reinforcement",
      "count": 13,
      "note": "Spacing at 6\""
    },
    {
      "name": "reinforcement bar group",
      "tag": "2-452",
      "shape": "straight bars",
      "material": "steel reinforcement",
      "count": 2,
      "note": ""
    },
    {
      "name": "diaphragm bar hole",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 2,
      "note": "2\" diameter hole for diaphragm bar; omitted at beams 6 and 12, and at beams 1 and 7 for another hole"
    },
    {
      "name": "low friction hold down",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 1,
      "note": "Centerline of low friction type hold down shown at midpoint region"
    },
    {
      "name": "bearing",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 2,
      "note": "Centerline of bearing marked at both ends of beam"
    },
    {
      "name": "beam end cross-section detail",
      "tag": "",
      "shape": "I-section (partial)",
      "material": "precast concrete",
      "count": 1,
      "note": "Partial cross section detail shown at far right edge of crop, cut off"
    }
  ],
  "measurements": [
    {
      "label": "Span length",
      "value": "82'-0\"",
      "unit": "ft-in",
      "appliesTo": "beam span Bent 2 to Bent 3"
    },
    {
      "label": "Beam length",
      "value": "80'-11 5/8\"",
      "unit": "ft-in",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Midpoint distance",
      "value": "40'-5 13/16\"",
      "unit": "ft-in",
      "appliesTo": "beam midpoint from Bent 2"
    },
    {
      "label": "Dimension",
      "value": "11 13/16\"",
      "unit": "in",
      "appliesTo": "segment near midpoint"
    },
    {
      "label": "Spacing",
      "value": "9 SPACES AT 24\"",
      "unit": "in",
      "appliesTo": "reinforcement/strand spacing"
    },
    {
      "label": "Spacing",
      "value": "19 SPACES AT 12\"",
      "unit": "in",
      "appliesTo": "reinforcement/strand spacing"
    },
    {
      "label": "Dimension",
      "value": "4\"",
      "unit": "in",
      "appliesTo": "spacing segment"
    },
    {
      "label": "Spacing",
      "value": "6 SPACES AT 4\"",
      "unit": "in",
      "appliesTo": "reinforcement/strand spacing"
    },
    {
      "label": "Dimension",
      "value": "2\"",
      "unit": "in",
      "appliesTo": "end spacing"
    },
    {
      "label": "Beam depth",
      "value": "2'-3\"",
      "unit": "ft-in",
      "appliesTo": "beam cross-section height"
    },
    {
      "label": "Camber (non-composite)",
      "value": "1 1/4\"",
      "unit": "in",
      "appliesTo": "NC deflection"
    },
    {
      "label": "Camber (composite)",
      "value": "1/8\"",
      "unit": "in",
      "appliesTo": "C deflection"
    },
    {
      "label": "Dimension",
      "value": "6 7/8\"",
      "unit": "in",
      "appliesTo": "hole spacing (left)"
    },
    {
      "label": "Dimension",
      "value": "6 7/8\"",
      "unit": "in",
      "appliesTo": "hole spacing (right)"
    },
    {
      "label": "Spacing",
      "value": "13-350 AT 6\"",
      "unit": "in",
      "appliesTo": "reinforcement group"
    },
    {
      "label": "Dimension",
      "value": "2 5/8\"",
      "unit": "in",
      "appliesTo": "end detail"
    },
    {
      "label": "Dimension",
      "value": "6 3/16\"",
      "unit": "in",
      "appliesTo": "end offset to bearing"
    },
    {
      "label": "Dimension",
      "value": "8\"",
      "unit": "in",
      "appliesTo": "end offset to bearing"
    },
    {
      "label": "Dimension",
      "value": "1'-2 3/16\"",
      "unit": "ft-in",
      "appliesTo": "end offset to bearing"
    },
    {
      "label": "Bearing to bearing distance",
      "value": "79'-7 5/8\"",
      "unit": "ft-in",
      "appliesTo": "beam bearings"
    },
    {
      "label": "Clear cover",
      "value": "1 5/8\"",
      "unit": "in",
      "appliesTo": "section detail (right side)"
    },
    {
      "label": "Dimension",
      "value": "2 1/2\"",
      "unit": "in",
      "appliesTo": "section detail (right side)"
    },
    {
      "label": "Dimension",
      "value": "7\"",
      "unit": "in",
      "appliesTo": "section detail (right side), appears twice"
    },
    {
      "label": "Spacing",
      "value": "3 SPACES AT 2\"",
      "unit": "in",
      "appliesTo": "section detail (right side)"
    },
    {
      "label": "Dimension",
      "value": "3\"",
      "unit": "in",
      "appliesTo": "section detail (right side)"
    },
    {
      "label": "Dimension",
      "value": "2\"",
      "unit": "in",
      "appliesTo": "section detail (right side)"
    },
    {
      "label": "Spacing (partial)",
      "value": "9 SP...AT...",
      "unit": "in",
      "appliesTo": "section detail (right side), text cut off"
    },
    {
      "label": "Dimension (partial)",
      "value": "1'-...",
      "unit": "ft-in",
      "appliesTo": "section detail (right side), text cut off"
    }
  ],
  "notes": [
    "MIDPOINT, DETAILS SYMMETRICAL ABOUT MIDPOINT UNLESS NOTED",
    "2\" DIAMETER HOLE FOR DIAPHRAGM BAR",
    "OMIT HOLE AT BEAMS 6 AND 12",
    "OMIT HOLE AT BEAMS 1 AND 7",
    "8 - DRAPED STRANDS",
    "ALL DIMENSIONS ARE ALONG C BEAM",
    "2-550 AT EACH LOCATION",
    "2-650 AT EACH LOCATION"
  ],
  "labels": [
    "NOTES",
    "ELEVATION",
    "C BENT 2",
    "C BENT 3",
    "C BEARING",
    "C LOW FRICTION TYPE HOLD DOWN"
  ],
  "description": "This crop shows the elevation view of a precast prestressed concrete (PSC) beam spanning between Bent 2 and Bent 3, with overall span, beam length, and bearing-to-bearing dimensions annotated. Detailed strand and reinforcement bar patterns (draped strands, bar groups 2-550, 2-450, 2-650, 13-350, 2-452, 8-451) are dimensioned along the beam length, along with diaphragm bar hole locations and omissions at specific beam numbers. A partial cross-section detail of the beam end is shown cut off at the right edge of the crop, and a Notes block heading appears at bottom left with no visible note text within this crop."
}

p11_r01 notesElevation

  • diaphragm bar hole×2circular2" diameter hole for diaphragm bar; omitted at beams 6 and 12, and at beams 1 and 7 for another hole

82'-0" ft-in Span length80'-11 5/8" ft-in Beam length40'-5 13/16" ft-in Midpoint distance11 13/16" in Dimension9 SPACES AT 24" in Spacing19 SPACES AT 12" in Spacing4" in Dimension6 SPACES AT 4" in Spacing+20 more

crop

p11_r03 recess detail for diaphragm bar ends

page 11 · gdot_plan_649084f395824aaebf1f5ed48132696f_p11_r03_recess_detail_for_diaphragm_bar_ends
Original
p11_r03 recess detail for diaphragm bar ends
{
  "view": "Detail",
  "objects": [
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "circular (round bar, threaded ends)",
      "material": "steel, ASTM A709 Grade 36",
      "count": 1,
      "note": "1\" diameter plain bar, threaded 5\" on each end, shown passing through beam web with washer and hex nut in recess"
    },
    {
      "name": "Recess (pocket for diaphragm bar end)",
      "tag": "",
      "shape": "circular",
      "material": "concrete (beam), later filled with epoxy grout",
      "count": 1,
      "note": "5\" diameter recess at beam face housing washer/nut"
    },
    {
      "name": "2\" diameter hole",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 1,
      "note": "hole through beam web for diaphragm bar"
    },
    {
      "name": "Reinforcement bar",
      "tag": "351",
      "shape": "straight bar",
      "material": "reinforcing steel",
      "count": 4,
      "note": "4-351 bars at 4\" each way, shown near hole location"
    },
    {
      "name": "Washer",
      "tag": "",
      "shape": "circular, 3-1/2\" diameter",
      "material": "steel",
      "count": 1,
      "note": "1/4\" thick washer on threaded bar end"
    },
    {
      "name": "Hex nut",
      "tag": "",
      "shape": "hexagonal",
      "material": "steel",
      "count": 1,
      "note": "nut on threaded diaphragm bar end within recess"
    },
    {
      "name": "Beam (PSC beam, partial)",
      "tag": "",
      "shape": "rectangular section (partial, web shown)",
      "material": "precast concrete",
      "count": 1,
      "note": "only the web/end portion near diaphragm connection is shown"
    }
  ],
  "measurements": [
    {
      "label": "Clear distance",
      "value": "1",
      "unit": "in (CL.)",
      "appliesTo": "beam web to hole"
    },
    {
      "label": "Width dimension",
      "value": "3",
      "unit": "in",
      "appliesTo": "recess width at beam face"
    },
    {
      "label": "Hole diameter",
      "value": "2",
      "unit": "in",
      "appliesTo": "hole through beam web"
    },
    {
      "label": "Recess diameter",
      "value": "5",
      "unit": "in (DIA.)",
      "appliesTo": "recess for diaphragm bar end"
    },
    {
      "label": "Bar spacing",
      "value": "4",
      "unit": "in",
      "appliesTo": "351 reinforcement bars, each way"
    },
    {
      "label": "Bar count",
      "value": "4",
      "unit": "",
      "appliesTo": "351 reinforcement bars"
    },
    {
      "label": "Diaphragm bar diameter",
      "value": "1",
      "unit": "in",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "Threaded length",
      "value": "5",
      "unit": "in",
      "appliesTo": "diaphragm bar end thread"
    },
    {
      "label": "Washer thickness",
      "value": "1/4",
      "unit": "in",
      "appliesTo": "washer"
    },
    {
      "label": "Washer diameter",
      "value": "3 1/2",
      "unit": "in",
      "appliesTo": "washer"
    },
    {
      "label": "Cut-off distance",
      "value": "1",
      "unit": "in",
      "appliesTo": "excess diaphragm bar from beam face"
    }
  ],
  "notes": [
    "DIAPHRAGM BAR SHALL BE A 1\" DIAMETER PLAIN BAR, THREADED 5\" ON EACH END, WITH 1/4\" X 3 1/2\" DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).",
    "TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C OF THE GEORGIA DOT SPECIFICATIONS.",
    "AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAINT DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS WITH SPECIAL PROTECTIVE COATING NO. 2 P AS PER SECTION 535 OF THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL THE RECESS WITH AN APPROVED EPOXY GROUT.",
    "GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT REQUIRED.",
    "CUT OFF EXCESS DIAPHRAGM BAR 1\" FROM BEAM FACE."
  ],
  "labels": [
    "RECESS DETAIL FOR DIAPHRAGM BAR ENDS",
    "1\" CL.",
    "3\"",
    "2\" DIAMETER HOLE",
    "4-351 AT 4\" EACH WAY",
    "5\" DIA."
  ],
  "description": "This crop is a detail drawing showing the recess at a precast concrete beam end where a diaphragm tie bar passes through, including the hole, washer, nut, and grout-filled recess, along with accompanying construction notes specifying bar material, tightening procedure, painting, and galvanizing requirements per Georgia DOT specifications. It documents the diaphragm bar connection detail rather than the full beam or diaphragm assembly."
}

p11_r03 recess detail for diaphragm bar endsDetail

  • Recess (pocket for diaphragm bar end)×1circularconcrete (beam), later filled with epoxy grout5" diameter recess at beam face housing washer/nut

1 in (CL.) Clear distance3 in Width dimension2 in Hole diameter5 in (DIA.) Recess diameter4 in Bar spacing4 Bar count1 in Diaphragm bar diameter5 in Threaded length+3 more

crop

p11_r01

page 11 · other_p11_r01
Original
p11_r01
{
  "view": "Elevation",
  "objects": [
    {
      "name": "PSC beam",
      "tag": "",
      "shape": "I-girder",
      "material": "precast concrete",
      "count": 1,
      "note": "Elevation view of a precast pretensioned girder spanning between Bent 2 and Bent 3; shown with strand pattern and diaphragm/hold-down details"
    },
    {
      "name": "strand (pretensioning)",
      "tag": "2-550",
      "shape": "straight, at bottom flange",
      "material": "steel (low-relaxation strand)",
      "count": 2,
      "note": "2 strands at each end location, labeled 2-550"
    },
    {
      "name": "strand (pretensioning)",
      "tag": "2-450",
      "shape": "draped/inclined",
      "material": "steel (low-relaxation strand)",
      "count": 2,
      "note": "part of draped strand group"
    },
    {
      "name": "strand (pretensioning)",
      "tag": "8-451",
      "shape": "draped, inclined group",
      "material": "steel (low-relaxation strand)",
      "count": 8,
      "note": "labeled '8-DRAPED STRANDS' and '8-451'"
    },
    {
      "name": "strand (pretensioning)",
      "tag": "13-350",
      "shape": "straight, at bottom flange",
      "material": "steel (low-relaxation strand)",
      "count": 13,
      "note": "13 strands at 6\" spacing"
    },
    {
      "name": "strand (pretensioning)",
      "tag": "2-452",
      "shape": "straight",
      "material": "steel (low-relaxation strand)",
      "count": 2,
      "note": ""
    },
    {
      "name": "strand (pretensioning)",
      "tag": "2-650",
      "shape": "straight",
      "material": "steel (low-relaxation strand)",
      "count": 2,
      "note": "located at each end location"
    },
    {
      "name": "diaphragm bar hole",
      "tag": "",
      "shape": "circular, 2\" diameter",
      "material": "",
      "count": 2,
      "note": "omitted at beams 6 and 12, and at beams 1 and 7 per notes"
    },
    {
      "name": "bearing",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 2,
      "note": "centerline bearing locations shown near each bent"
    },
    {
      "name": "low friction type hold down",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 1,
      "note": "located at midpoint of beam"
    },
    {
      "name": "bent",
      "tag": "BENT 2",
      "shape": "",
      "material": "",
      "count": 1,
      "note": "reference centerline only, not detailed in this crop"
    },
    {
      "name": "bent",
      "tag": "BENT 3",
      "shape": "",
      "material": "",
      "count": 1,
      "note": "reference centerline only, not detailed in this crop"
    }
  ],
  "measurements": [
    {
      "label": "Span Length",
      "value": "82'-0\"",
      "unit": "ft-in",
      "appliesTo": "beam span between Bent 2 and Bent 3"
    },
    {
      "label": "Beam Length",
      "value": "80'-11 5/8\"",
      "unit": "ft-in",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Midpoint dimension",
      "value": "40'-5 13/16\"",
      "unit": "ft-in",
      "appliesTo": "beam midpoint reference"
    },
    {
      "label": "Dimension to first spacing group",
      "value": "11 3/16\"",
      "unit": "in",
      "appliesTo": "beam"
    },
    {
      "label": "Spacing",
      "value": "9 SPACES AT 24\"",
      "unit": "in",
      "appliesTo": "strand/hole spacing along beam"
    },
    {
      "label": "Spacing",
      "value": "19 SPACES AT 12\"",
      "unit": "in",
      "appliesTo": "strand/hole spacing along beam"
    },
    {
      "label": "Dimension",
      "value": "4\"",
      "unit": "in",
      "appliesTo": "spacing gap"
    },
    {
      "label": "Spacing",
      "value": "6 SPACES AT 4\"",
      "unit": "in",
      "appliesTo": "strand/hole spacing along beam"
    },
    {
      "label": "Dimension",
      "value": "2\"",
      "unit": "in",
      "appliesTo": "end spacing"
    },
    {
      "label": "Depth dimension",
      "value": "2'-3\"",
      "unit": "ft-in",
      "appliesTo": "beam end depth"
    },
    {
      "label": "Camber (non-composite)",
      "value": "1 1/4\"",
      "unit": "in",
      "appliesTo": "ΔNC beam camber"
    },
    {
      "label": "Camber (composite)",
      "value": "1/8\"",
      "unit": "in",
      "appliesTo": "ΔC beam camber"
    },
    {
      "label": "Dimension",
      "value": "6 7/8\"",
      "unit": "in",
      "appliesTo": "hole spacing near diaphragm bar hole"
    },
    {
      "label": "Strand group",
      "value": "2-550",
      "unit": "",
      "appliesTo": "strand count/mark, at each end location"
    },
    {
      "label": "Strand group",
      "value": "2-450",
      "unit": "",
      "appliesTo": "strand count/mark"
    },
    {
      "label": "Strand group",
      "value": "8-451",
      "unit": "",
      "appliesTo": "draped strand group"
    },
    {
      "label": "Strand group",
      "value": "13-350 AT 6\"",
      "unit": "in",
      "appliesTo": "strand spacing group"
    },
    {
      "label": "Dimension",
      "value": "2 5/8\"",
      "unit": "in",
      "appliesTo": "end region dimension"
    },
    {
      "label": "Strand group",
      "value": "2-452",
      "unit": "",
      "appliesTo": "strand count/mark"
    },
    {
      "label": "Dimension",
      "value": "6 3/16\"",
      "unit": "in",
      "appliesTo": "end bearing offset"
    },
    {
      "label": "Dimension",
      "value": "8\"",
      "unit": "in",
      "appliesTo": "bearing offset dimension"
    },
    {
      "label": "Dimension",
      "value": "1'-2 3/16\"",
      "unit": "ft-in",
      "appliesTo": "end dimension to bearing"
    },
    {
      "label": "Bearing to Bearing",
      "value": "79'-7 5/8\"",
      "unit": "ft-in",
      "appliesTo": "centerline bearing to centerline bearing"
    }
  ],
  "notes": [
    "MIDPOINT, DETAILS SYMMETRICAL ABOUT MIDPOINT UNLESS NOTED",
    "OMIT HOLE AT BEAMS 6 AND 12",
    "OMIT HOLE AT BEAMS 1 AND 7",
    "ALL DIMENSIONS ARE ALONG C BEAM"
  ],
  "labels": [
    "NOTES",
    "ELEVATION",
    "C BENT 2",
    "C BENT 3",
    "C BEARING",
    "C LOW FRICTION TYPE HOLD DOWN",
    "C 2\" DIAMETER HOLE FOR DIAPHRAGM BAR",
    "8 - DRAPED STRANDS"
  ],
  "description": "This crop shows an elevation view of a single precast, pretensioned concrete I-girder (PSC beam) spanning between Bent 2 and Bent 3, with overall span, beam length, and bearing-to-bearing dimensions given. It details the strand layout including straight bottom strands (grouped as 2-550, 13-350, 2-452, 2-650) and draped strands (2-450, 8-451), diaphragm bar hole locations (omitted at specific beam numbers), camber values, and bearing/hold-down centerline locations, documenting the beam's prestressing and geometric layout for fabrication."
}

p11_r01Elevation

  • diaphragm bar hole×2circular, 2" diameteromitted at beams 6 and 12, and at beams 1 and 7 per notes

82'-0" ft-in Span Length80'-11 5/8" ft-in Beam Length40'-5 13/16" ft-in Midpoint dimension11 3/16" in Dimension to first spacing group9 SPACES AT 24" in Spacing19 SPACES AT 12" in Spacing4" in Dimension6 SPACES AT 4" in Spacing+15 more

crop

p11_r03

page 11 · other_p11_r03
Original
p11_r03
{
  "view": "Detail",
  "objects": [
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "circular (round bar, threaded ends)",
      "material": "steel (ASTM A 709 Grade 36)",
      "count": 1,
      "note": "1\" diameter plain bar, threaded 5\" on each end; shown in recess at beam face"
    },
    {
      "name": "Recess hole",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 1,
      "note": "2\" diameter hole through beam for diaphragm bar"
    },
    {
      "name": "Washer",
      "tag": "",
      "shape": "circular (annular)",
      "material": "steel",
      "count": 1,
      "note": "1/4\" x 3-1/2\" diameter washer at bar end"
    },
    {
      "name": "Hex nut",
      "tag": "",
      "shape": "hexagonal",
      "material": "steel",
      "count": 1,
      "note": "hex nut on threaded end of diaphragm bar"
    },
    {
      "name": "Reinforcement bar group (4-3S1)",
      "tag": "3S1",
      "shape": "bar (rebar)",
      "material": "reinforced concrete reinforcement (steel)",
      "count": 4,
      "note": "4 bars marked 3S1 spaced at 4\" each way near recess"
    },
    {
      "name": "Beam face / recess pocket",
      "tag": "",
      "shape": "rectangular recess in beam end",
      "material": "precast concrete",
      "count": 1,
      "note": "recess formed at beam face to accommodate diaphragm bar end, washer, nut; later filled with epoxy grout"
    }
  ],
  "measurements": [
    {
      "label": "Clear cover to hole",
      "value": "1",
      "unit": "in",
      "appliesTo": "2\" diameter hole"
    },
    {
      "label": "Recess width",
      "value": "3",
      "unit": "in",
      "appliesTo": "recess pocket at beam face"
    },
    {
      "label": "Hole diameter",
      "value": "2",
      "unit": "in",
      "appliesTo": "hole for diaphragm bar"
    },
    {
      "label": "Bar spacing group",
      "value": "4-3S1 AT 4\"",
      "unit": "in",
      "appliesTo": "3S1 reinforcement bars"
    },
    {
      "label": "Washer/nut recess diameter",
      "value": "5",
      "unit": "in",
      "appliesTo": "recess diameter (DIA.) around washer/nut"
    },
    {
      "label": "Diaphragm bar diameter",
      "value": "1",
      "unit": "in",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "Thread length each end",
      "value": "5",
      "unit": "in",
      "appliesTo": "diaphragm bar ends"
    },
    {
      "label": "Washer thickness",
      "value": "1/4",
      "unit": "in",
      "appliesTo": "washer"
    },
    {
      "label": "Washer diameter",
      "value": "3 1/2",
      "unit": "in",
      "appliesTo": "washer"
    },
    {
      "label": "Cut-off distance from beam face",
      "value": "1",
      "unit": "in",
      "appliesTo": "excess diaphragm bar cut-off"
    }
  ],
  "notes": [
    "DIAPHRAGM BAR SHALL BE A 1\" DIAMETER PLAIN BAR, THREADED 5\" ON EACH END, WITH 1/4\" X 3 1/2\" DIAMETER WASHERS AND HEX NUTS (ASTM A 709 GRADE 36).",
    "TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C OF THE GEORGIA DOT SPECIFICATIONS.",
    "AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAINT DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS WITH SPECIAL PROTECTIVE COATING NO. 2 P AS PER SECTION 535 OF THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL THE RECESS WITH AN APPROVED EPOXY GROUT.",
    "GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTION 865.2.01.B.12 OF THE GEORGIA DOT SPECIFICATIONS IS NOT REQUIRED.",
    "CUT OFF EXCESS DIAPHRAGM BAR 1\" FROM BEAM FACE."
  ],
  "labels": [
    "RECESS DETAIL FOR DIAPHRAGM BAR ENDS",
    "2\" DIAMETER HOLE",
    "4-3S1 AT 4\" EACH WAY",
    "1\" CL.",
    "3\"",
    "5\" DIA."
  ],
  "description": "This crop is a construction detail showing the recess formed at a precast beam end where a diaphragm bar terminates, including the 2\" diameter through-hole, 1\" cover dimension, 3\" recess width, and a 5\" diameter recess for the washer/nut assembly. Accompanying notes specify the diaphragm bar material and dimensions (1\" diameter plain steel bar, ASTM A 709 Grade 36, threaded 5\" each end), tightening reference, post-installation coating and epoxy grout fill requirements, and that galvanizing is not required. It documents the diaphragm bar end connection detail for precast beam diaphragms, not the overall beam or diaphragm layout."
}

p11_r03Detail

  • Recess hole×1circular2" diameter hole through beam for diaphragm bar

1 in Clear cover to hole3 in Recess width2 in Hole diameter4-3S1 AT 4" in Bar spacing group5 in Washer/nut recess diameter1 in Diaphragm bar diameter5 in Thread length each end1/4 in Washer thickness+2 more