Prestressed Concrete Beam

{
  "view": "Notes",
  "objects": [
    {
      "name": "Steel H-piles",
      "tag": "",
      "shape": "H-section",
      "material": "steel",
      "count": null,
      "note": "Specified to meet ASTM A 709 Gr 50; design data lists Grade 50, fᵧ = 50,000 PSI."
    },
    {
      "name": "Smooth dowel bars",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Placed in formed holes and grouted in place."
    },
    {
      "name": "Abutment soil reinforcing device inserts",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "At abutment; furnishing and installation cost is referenced."
    },
    {
      "name": "Superstructure",
      "tag": "",
      "shape": "",
      "material": "concrete",
      "count": null,
      "note": "Concrete class and strength are listed in design data."
    },
    {
      "name": "Barrier",
      "tag": "",
      "shape": "",
      "material": "concrete",
      "count": null,
      "note": "Concrete class and strength are listed in design data."
    },
    {
      "name": "PSC beams",
      "tag": "",
      "shape": "",
      "material": "prestressed concrete",
      "count": null,
      "note": "Concrete strength and allowable tension refer to beam sheets."
    },
    {
      "name": "Substructure",
      "tag": "",
      "shape": "",
      "material": "concrete",
      "count": null,
      "note": "Concrete class and strength are listed in design data."
    },
    {
      "name": "Reinforcement steel",
      "tag": "",
      "shape": "",
      "material": "steel",
      "count": null,
      "note": "Grade 60 reinforcement steel is specified."
    },
    {
      "name": "Pretensioning strands",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Prestensioning strand stress is specified."
    }
  ],
  "measurements": [
    {
      "label": "Vibration monitoring notice period",
      "value": "TWO WEEKS",
      "unit": "",
      "appliesTo": "Piles"
    },
    {
      "label": "Smooth dowel bar hole diameter",
      "value": "3\"",
      "unit": "",
      "appliesTo": "Smooth dowel bars"
    },
    {
      "label": "Smooth dowel bar hole depth",
      "value": "12\"",
      "unit": "",
      "appliesTo": "Smooth dowel bars"
    },
    {
      "label": "Minimum pile freeze period",
      "value": "24 HOURS",
      "unit": "",
      "appliesTo": "Steel H-piles"
    },
    {
      "label": "Seismic performance zone",
      "value": "2",
      "unit": "",
      "appliesTo": "Specifications"
    },
    {
      "label": "AS",
      "value": "0.142",
      "unit": "",
      "appliesTo": "Specifications"
    },
    {
      "label": "SDI",
      "value": "0.155",
      "unit": "",
      "appliesTo": "Specifications"
    },
    {
      "label": "Future paving allowance",
      "value": "30",
      "unit": "LBS PER SQ FT",
      "appliesTo": ""
    },
    {
      "label": "Superstructure concrete compressive strength, f′c",
      "value": "4,000",
      "unit": "PSI",
      "appliesTo": "Superstructure"
    },
    {
      "label": "Barrier concrete compressive strength, f′c",
      "value": "4,000",
      "unit": "PSI",
      "appliesTo": "Barrier"
    },
    {
      "label": "Substructure concrete compressive strength, f′c",
      "value": "3,500",
      "unit": "PSI",
      "appliesTo": "Substructure"
    },
    {
      "label": "Reinforcement steel grade",
      "value": "60",
      "unit": "",
      "appliesTo": "Reinforcement steel"
    },
    {
      "label": "Reinforcement steel yield strength, fᵧ",
      "value": "60,000",
      "unit": "PSI",
      "appliesTo": "Reinforcement steel"
    },
    {
      "label": "Pretensioning strands stress, fₛ′",
      "value": "270,000",
      "unit": "PSI",
      "appliesTo": "Pretensioning strands"
    },
    {
      "label": "Steel H-piles grade",
      "value": "50",
      "unit": "",
      "appliesTo": "Steel H-piles"
    },
    {
      "label": "Steel H-piles yield strength, fᵧ",
      "value": "50,000",
      "unit": "PSI",
      "appliesTo": "Steel H-piles"
    }
  ],
  "notes": [
    "VIBRATION MONITORING - THE PROJECT ENGINEER SHOULD CONTACT THE GEOTECHNICAL BUREAU OF THE GEORGIA DOT OFFICE OF MATERIALS AND TESTING AT GEOTECHNICAL_SUBMITTALS @DOT.GA.GOV TWO WEEKS PRIOR TO DRIVING PILES. SEE SPECIAL PROVISION 154 - CONSTRUCTION VIBRATION MONITORING.",
    "STEEL H-PILES - USE STEEL FOR H-PILES THAT MEETS THE REQUIREMENTS OF ASTM A 709 GR 50.",
    "PILE LENGTHS - ERRATIC PILE LENGTHS CAN BE EXPECTED.",
    "PILE DRIVING - SHOULD PILES FAIL TO OBTAIN DRIVING RESISTANCE AFTER ACHIEVING THE PILE TIP ELEVATIONS SHOWN, ALLOW PILES TO FREEZE A MINIMUM OF 24 HOURS AND RESTRIKE WITH A WARM HAMMER.",
    "SMOOTH DOWEL BARS - PLACE SMOOTH DOWEL BARS IN FORMED 3” DIAMETER X 12” DEEP HOLES AND GROUT IN PLACE SIMILAR TO ANCHOR BOLTS, SEE SUB-SECTION 501.3.05.B.3 OF THE GEORGIA DOT SPECIFICATIONS. STIRRUPS MAY BE SHIFTED SLIGHTLY FOR FORMED HOLES.",
    "ABUTMENT SOIL REINFORCING DEVICE INSERTS - INCLUDE THE COST OF FURNISHING AND INSTALLING INSERTS FOR SOIL REINFORCING DEVICES AT ABUTMENT IN THE OVERALL BID SUBMITTED..."
  ],
  "labels": [
    "GENERAL NOTES CONTINUED",
    "DESIGN DATA",
    "SPECIFICATIONS — AASHTO LRFD 9TH EDITION, 2020",
    "(DESIGNED FOR SEISMIC PERFORMANCE ZONE 2, AS=0.142, SDI=0.155)",
    "DESIGN VEHICLE LIVE LOAD — HL-93",
    "FUTURE PAVING ALLOWANCE",
    "CONCRETE",
    "PSC BEAM ALLOWABLE TENSION — SEE BEAM SHEETS"
  ],
  "description": "This crop contains continued general bridge construction notes and a design-data block. The notes address pile driving, vibration monitoring, smooth dowel bars, and abutment soil reinforcing device inserts; the design data gives material classes, strengths, loading criteria, and seismic design information."
}

{
  "view": "Notes",
  "objects": [
    {
      "name": "PSC beam span",
      "tag": "AASHTO TYPE II",
      "shape": "beam",
      "material": "prestressed concrete",
      "count": 2,
      "note": "55'-0\" spans; special design."
    },
    {
      "name": "PSC beam span",
      "tag": "AASHTO TYPE III",
      "shape": "beam",
      "material": "prestressed concrete",
      "count": 1,
      "note": "82'-0\" span; special design."
    },
    {
      "name": "end bent",
      "tag": "",
      "shape": "H-section pile bent",
      "material": "structural steel",
      "count": 2,
      "note": "Steel H pile end bents with MSE wall abutments; special design."
    },
    {
      "name": "MSE wall abutment",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 2,
      "note": "Associated with steel H pile end bents; special design."
    },
    {
      "name": "intermediate bent",
      "tag": "",
      "shape": "",
      "material": "concrete",
      "count": 2,
      "note": "Special design."
    },
    {
      "name": "end post and guardrail attachment detail",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 4,
      "note": "GA. STD. 3054 (9-30-02)."
    },
    {
      "name": "reinforcement bar bending details",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "GA. STD. 3901 (8-69)."
    },
    {
      "name": "chain link wire fence",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "GA. STD. 9031N (8-13-85)."
    },
    {
      "name": "fill at end of bridge",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Typical fill detail; GA. STD. 9037 (9-99)."
    }
  ],
  "measurements": [
    {
      "label": "PSC beam span length",
      "value": "55'-0\"",
      "unit": "",
      "appliesTo": "AASHTO TYPE II"
    },
    {
      "label": "PSC beam span length",
      "value": "82'-0\"",
      "unit": "",
      "appliesTo": "AASHTO TYPE III"
    },
    {
      "label": "Length",
      "value": "4'-3\"",
      "unit": "",
      "appliesTo": "end post and guardrail attachment detail"
    },
    {
      "label": "Width",
      "value": "1'-1\"",
      "unit": "",
      "appliesTo": "end post and guardrail attachment detail"
    },
    {
      "label": "Height",
      "value": "3'-6\"",
      "unit": "",
      "appliesTo": "end post and guardrail attachment detail"
    },
    {
      "label": "Length",
      "value": "4'-6\"",
      "unit": "",
      "appliesTo": "end post and guardrail attachment detail"
    },
    {
      "label": "Width",
      "value": "1'-1\"",
      "unit": "",
      "appliesTo": "end post and guardrail attachment detail"
    },
    {
      "label": "Height",
      "value": "3'-6\"",
      "unit": "",
      "appliesTo": "end post and guardrail attachment detail"
    }
  ],
  "notes": [
    "2 - 55'-0\" AASHTO TYPE II PSC BEAM SPANS -------------------- SPECIAL DESIGN",
    "1 - 82'-0\" AASHTO TYPE III PSC BEAM SPAN --------------------- SPECIAL DESIGN",
    "2 - STEEL H PILE END BENTS WITH MSE WALL ABUTMENTS ------------ SPECIAL DESIGN",
    "2 - CONCRETE INTERMEDIATE BENTS ------------------------------- SPECIAL DESIGN",
    "4 - END POST AND GUARDRAIL ATTACHMENT DETAIL -------- GA. STD. 3054 (9-30-02)",
    "{L = 4'-3\"; W = 1'-1\"; H = 3'-6\"}",
    "{L = 4'-6\"; W = 1'-1\"; H = 3'-6\"}",
    "BAR BENDING DETAILS ----------------------------- GA. STD. 3901 (8-69)",
    "CHAIN LINK WIRE FENCE ---------------------------- GA. STD. 9031N (8-13-85)",
    "TYPICAL FILL DETAIL AT END OF BRIDGE --------------GA. STD. 9037 (9-99)"
  ],
  "labels": [
    "EACH BRIDGE CONSISTS OF",
    "SPECIAL DESIGN",
    "GA. STD. 3054 (9-30-02)",
    "GA. STD. 3901 (8-69)",
    "GA. STD. 9031N (8-13-85)",
    "GA. STD. 9037 (9-99)"
  ],
  "description": "This crop is a bridge composition note block listing the span arrangement, bents, abutments, and associated standard details for each bridge. It documents two 55'-0\" Type II PSC spans, one 82'-0\" Type III PSC span, two steel H-pile end bents with MSE wall abutments, and two concrete intermediate bents."
}

{
  "view": "Notes",
  "objects": [
    {
      "name": "steel H-piles",
      "tag": "",
      "shape": "H-section",
      "material": "structural steel",
      "count": null,
      "note": "Specified to meet ASTM A 709 Grade 50."
    },
    {
      "name": "smooth dowel bars",
      "tag": "",
      "shape": "cylindrical",
      "material": "",
      "count": null,
      "note": "Placed in formed holes and grouted in place."
    },
    {
      "name": "stirrups",
      "tag": "",
      "shape": "",
      "material": "reinforcement steel",
      "count": null,
      "note": "May be shifted slightly to clear formed holes."
    },
    {
      "name": "abutment soil reinforcing device inserts",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Note regarding furnishing and installing inserts is cut off at the bottom of the crop."
    },
    {
      "name": "PSC beams",
      "tag": "",
      "shape": "",
      "material": "prestressed concrete",
      "count": null,
      "note": "Concrete class and allowable tension are referenced to beam sheets."
    },
    {
      "name": "barrier",
      "tag": "",
      "shape": "",
      "material": "concrete",
      "count": null,
      "note": "Class D concrete is specified."
    },
    {
      "name": "reinforcement steel",
      "tag": "",
      "shape": "",
      "material": "steel",
      "count": null,
      "note": "Grade 60 specified."
    },
    {
      "name": "pretensioning strands",
      "tag": "",
      "shape": "",
      "material": "steel",
      "count": null,
      "note": ""
    }
  ],
  "measurements": [
    {
      "label": "Advance notice before driving piles",
      "value": "TWO WEEKS",
      "unit": "",
      "appliesTo": "vibration monitoring"
    },
    {
      "label": "Steel H-pile material grade",
      "value": "50",
      "unit": "",
      "appliesTo": "steel H-piles"
    },
    {
      "label": "Smooth dowel bar hole diameter",
      "value": "3\"",
      "unit": "",
      "appliesTo": "smooth dowel bars"
    },
    {
      "label": "Smooth dowel bar hole depth",
      "value": "12\"",
      "unit": "",
      "appliesTo": "smooth dowel bars"
    },
    {
      "label": "Pile freeze duration",
      "value": "24",
      "unit": "HOURS",
      "appliesTo": "piles"
    },
    {
      "label": "Seismic performance zone",
      "value": "2",
      "unit": "",
      "appliesTo": ""
    },
    {
      "label": "A_S",
      "value": "0.142",
      "unit": "",
      "appliesTo": ""
    },
    {
      "label": "S_D",
      "value": "0.155",
      "unit": "",
      "appliesTo": ""
    },
    {
      "label": "Future paving allowance",
      "value": "30",
      "unit": "LBS PER SQ FT",
      "appliesTo": ""
    },
    {
      "label": "Superstructure concrete compressive strength, f'c",
      "value": "4,000",
      "unit": "PSI",
      "appliesTo": "superstructure"
    },
    {
      "label": "Barrier concrete compressive strength, f'c",
      "value": "4,000",
      "unit": "PSI",
      "appliesTo": "barrier"
    },
    {
      "label": "Substructure concrete compressive strength, f'c",
      "value": "3,500",
      "unit": "PSI",
      "appliesTo": "substructure"
    },
    {
      "label": "Reinforcement steel yield strength, f_y",
      "value": "60,000",
      "unit": "PSI",
      "appliesTo": "reinforcement steel"
    },
    {
      "label": "Pretensioning strands strength, f's",
      "value": "270,000",
      "unit": "PSI",
      "appliesTo": "pretensioning strands"
    },
    {
      "label": "Steel H-pile yield strength, f_y",
      "value": "50,000",
      "unit": "PSI",
      "appliesTo": "steel H-piles"
    }
  ],
  "notes": [
    "VIBRATION MONITORING - THE PROJECT ENGINEER SHOULD CONTACT THE GEOTECHNICAL BUREAU OF THE GEORGIA DOT OFFICE OF MATERIALS AND TESTING AT LEAST TWO WEEKS PRIOR TO DRIVING PILES. SEE GEOTECHNICAL_SUBMITTALS@DOT.GA.GOV",
    "SPECIAL PROVISION 154 - CONSTRUCTION VIBRATION MONITORING.",
    "STEEL H-PILES - USE STEEL FOR H-PILES THAT MEETS THE REQUIREMENTS OF ASTM A 709 GRADE 50.",
    "PILE LENGTHS - ERRATIC PILE LENGTHS CAN BE EXPECTED.",
    "PILE DRIVING - SHOULD PILES FAIL TO OBTAIN DRIVING RESISTANCE AFTER ACHIEVING THE PILE TIP ELEVATIONS SHOWN, ALLOW PILES TO FREEZE A MINIMUM OF 24 HOURS AND RESTRIKE WITH A WARM HAMMER.",
    "SMOOTH DOWEL BARS - PLACE SMOOTH DOWEL BARS IN FORMED 3\" DIAMETER X 12\" DEEP HOLES AND GROUT IN PLACE SIMILAR TO ANCHOR BOLTS, SEE SUB-SECTION 501.3.05.B.3 OF THE GEORGIA DOT SPECIFICATIONS. STIRRUPS MAY BE SHIFTED SLIGHTLY TO CLEAR FORMED HOLES.",
    "ABUTMENT SOIL REINFORCING DEVICE INSERTS - INCLUDE THE COST OF FURNISHING AND INSTALLING INSERTS FOR SOIL REINFORCING DEVICES AT ABUTMENT IN THE OVERALL [partial; crop cuts off]."
  ],
  "labels": [
    "GENERAL NOTES CONTINUED",
    "DESIGN DATA",
    "SPECIFICATIONS",
    "AASHTO LRFD 9TH EDITION, 2020",
    "(DESIGNED FOR SEISMIC PERFORMANCE ZONE 2, AS=0.142, SD=0.155)",
    "DESIGN VEHICLE LIVE LOAD",
    "HL-93",
    "FUTURE PAVING ALLOWANCE",
    "CONCRETE:",
    "CLASS D",
    "CLASS AAA",
    "SEE BEAM SHEETS",
    "PSC BEAM ALLOWABLE TENSION",
    "CLASS AA",
    "GRADE 60",
    "P.I. NO.",
    "0019181"
  ],
  "description": "This crop is a continuation of general construction notes and a design-data block for a bridge project. It documents pile driving and vibration-monitoring requirements, smooth dowel-bar installation, and material/design criteria for concrete, steel, prestressing strands, and piles; the final abutment insert note is cropped off."
}

{
  "view": "Cross Section",
  "objects": [
    {
      "name": "prestressed concrete beam",
      "tag": "",
      "shape": "I-girder section with tapered web-to-flange transitions",
      "material": "",
      "count": 2,
      "note": "One full section is labeled SECTION AT MIDPOINT; a second beam section at right is only partially visible."
    },
    {
      "name": "prestressed strands",
      "tag": "",
      "shape": "circular dots in section",
      "material": "prestressed",
      "count": null,
      "note": "Solid-dot symbol is noted as indicating 1/2” diameter prestressed strand; the right-hand strand layout is cropped."
    }
  ],
  "measurements": [
    {
      "label": "top flange width",
      "value": "1'-0\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "top horizontal dimension",
      "value": "5\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "top flange thickness",
      "value": "2 1/2\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "web width",
      "value": "6\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "horizontal dimension at web",
      "value": "3\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "upper vertical segment",
      "value": "6\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "upper vertical segment",
      "value": "3\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "web vertical segment",
      "value": "1'-3\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "lower vertical segment",
      "value": "6\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "bottom flange vertical segment",
      "value": "6\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "overall depth",
      "value": "3'-0\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "strand spacing",
      "value": "2 SPACES AT 2\"",
      "unit": "",
      "appliesTo": "prestressed strands"
    },
    {
      "label": "bottom vertical dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "left bottom horizontal dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "strand spacing",
      "value": "7 SPACES AT 2\"",
      "unit": "",
      "appliesTo": "prestressed strands"
    },
    {
      "label": "right bottom horizontal dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "bottom flange width",
      "value": "1'-6\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "top horizontal dimension, partial right section",
      "value": "2\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "clear dimension",
      "value": "1 1/8\" CL.",
      "unit": "",
      "appliesTo": "partial right beam section"
    },
    {
      "label": "clear dimension",
      "value": "2\" CL.",
      "unit": "",
      "appliesTo": "partial right beam section"
    }
  ],
  "notes": [
    "MAINTAIN 1” MINIMUM CLEARANCE UNLESS OTH...",
    "• INDICATES 1/2” DIAMETER PRESTRESSED STRAN..."
  ],
  "labels": [
    "550",
    "8-451",
    "350",
    "DIMENSIONS ALONG ℄ BEAM",
    "SECTION AT MIDPOINT",
    "SECTION"
  ],
  "description": "The crop shows a full cross section of a prestressed beam at its midpoint, with flange, web, overall dimensions, and a solid-dot prestressing-strand pattern. A second beam section is shown at the right but is cropped, including partial strand and clearance callouts."
}

{
  "view": "Notes",
  "objects": [
    {
      "name": "PSC beam",
      "tag": "",
      "shape": "",
      "material": "precast prestressed concrete",
      "count": null,
      "note": "Beam requirements, handling, finish, prestressing, concrete strength, and allowable tension are noted."
    },
    {
      "name": "pick-ups",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Embedded pick-ups are specified for beam handling."
    },
    {
      "name": "smooth dowel",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Specified at fixed and expansion bearing ends."
    },
    {
      "name": "slab",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Referenced for bonding and dead-load deflection."
    },
    {
      "name": "coping",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Referenced for non-composite dead-load deflection."
    },
    {
      "name": "barrier",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Referenced for composite dead-load deflection."
    },
    {
      "name": "prestressing strands",
      "tag": "",
      "shape": "circular",
      "material": "special low-relaxation steel",
      "count": 20,
      "note": "Pretensioned strands are specified."
    }
  ],
  "measurements": [
    {
      "label": "Partial dimension at top of crop",
      "value": "1'-6 3/16\"",
      "unit": "",
      "appliesTo": ""
    },
    {
      "label": "Beam pickup distance from ends",
      "value": "4'-6\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Pickup embedment distance from bottom of beam",
      "value": "4\"",
      "unit": "",
      "appliesTo": "pick-ups"
    },
    {
      "label": "Beam edge chamfer",
      "value": "1/2\" OR 3/4\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Epoxy mortar at each beam end",
      "value": "1/8\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Fixed-end hole diameter",
      "value": "1 3/4\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "Fixed-end hole depth",
      "value": "7\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "Expansion-end slot size",
      "value": "4\" X 1 3/4\" X 7\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "Smooth dowel diameter",
      "value": "1 1/2\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "Roughened surface amplitude",
      "value": "1/4\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Strand quantity",
      "value": "20",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Strand diameter",
      "value": "1/2\"",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Strand area",
      "value": "0.167",
      "unit": "SQ IN",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Pretension force per strand",
      "value": "33,818",
      "unit": "LBS",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Minimum concrete strength for strand release",
      "value": "5,200",
      "unit": "PSI",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Total jacking force of pretensioning",
      "value": "676,350",
      "unit": "LBS",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Net prestressing force after all losses",
      "value": "536,584",
      "unit": "LBS",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Concrete strength (f'c)",
      "value": "6,500",
      "unit": "PSI",
      "appliesTo": "PSC beam"
    },
    {
      "label": "Allowable PSC beam tension",
      "value": "484",
      "unit": "PSI",
      "appliesTo": "PSC beam"
    }
  ],
  "notes": [
    "1. BEAMS SHALL BE MAINTAINED IN AN UPRIGHT POSITION AT ALL TIMES AND SHALL BE PICKED UP WITHIN 4'-6\" FROM THEIR ENDS. DISREGARDING THIS REQUIREMENT COULD LEAD TO COLLAPSE OF THE BEAM. PICK-UPS SHALL BE EMBEDDED TO WITHIN 4\" OF THE BOTTOM OF THE BEAM. DETAILS OF PICK-UPS SHALL BE INCLUDED IN THE SHOP DRAWINGS.",
    "2. CHAMFER EDGES OF BEAMS 1/2\" OR 3/4\".",
    "3. HORIZONTAL DIMENSIONS ARE IN PLACE DIMENSIONS. THE BEAM LENGTH INCLUDES THE 1/8\" EPOXY MORTAR AT EACH END. SHOP DRAWINGS SHALL ADJUST HORIZONTAL DIMENSIONS FOR GRADE AND FABRICATION EFFECTS SUCH AS SHRINKAGE AND ELASTIC SHORTENING.",
    "4. AT ℄ BEARING, FORM A 1 3/4\" DIAMETER X 7\" DEEP HOLE AT THE FIXED ENDS AND A 4\" X 1 3/4\" X 7\" DEEP SLOT AT THE EXPANSION ENDS FOR A 1 1/2\" DIAMETER SMOOTH DOWEL. SEE PLAN AND ELEVATION SHEET FOR LOCATION OF FIXED AND EXPANSION ENDS.",
    "5. TOPS OF BEAMS SHALL BE ROUGH FLOATED AT APPROXIMATELY THE TIME OF INITIAL SET. ENTIRE TOP SHALL BE SCRUBBED TRANSVERSELY WITH A COARSE BRUSH TO REMOVE ALL LAITANCE AND TO PRODUCE A ROUGHENED SURFACE FOR BONDING TO THE SLAB. ROUGHENED SURFACE SHALL HAVE AN AMPLITUDE OF APPROXIMATELY 1/4\". CONCRETE FINS OR PROJECTIONS SHALL BE REMOVED TO PRODUCE A VERTICAL FACE AT THE EDGE OF THE BEAM.",
    "6. ALL HOLES FORMED INTO THE BEAMS TO FACILITATE TRANSPORT SHALL BE FILLED AND GIVEN A TYPE I FINISH, PRIOR TO ACCEPTANCE OF THE BEAM. REMOVE PVC OR SIMILAR FORMING MATERIALS FROM EACH HOLE, EXPOSING THE CONCRETE SURFACE. COAT INTERIOR OF HOLE WITH A TYPE II EPOXY RESIN ADHESIVE IN ACCORDANCE WITH GEORGIA STANDARD SPECIFICATION 886 AND FILL WITH A RAPID SETTING PATCHING MATERIAL IN ACCORDANCE WITH GEORGIA STANDARD SPECIFICATION 934.",
    "7. NON-COMPOSITE DEAD LOAD DEFLECTION (ΔNC) AT THE MIDPOINT IS DUE TO THE WEIGHT OF THE SLAB AND COPING.",
    "8. COMPOSITE DEAD LOAD DEFLECTION (ΔC) AT THE MIDPOINT IS DUE TO THE WEIGHT OF BARRIER.",
    "9. STRANDS SHALL MEET ALL REQUIREMENTS OF ASTM A 416 GRADE 270.",
    "10. PRESTRESSING DATA IS AS FOLLOWS:",
    "A. USE 20 - 1/2\" DIAMETER SPECIAL LOW-RELAXATION (A = 0.167 SQ IN) STRANDS. PRETENSION STRANDS TO 33,818 LBS EACH.",
    "B. PRETENSIONED STRANDS SHALL BE RELEASED AFTER THE CONCRETE HAS REACHED A MINIMUM STRENGTH (fci) OF 5,200 PSI.",
    "C. INCLUDING THE TOP STRANDS, THE TOTAL JACKING FORCE OF PRETENSIONING IS 676,350 LBS.",
    "D. INCLUDING THE TOP STRANDS, THE NET PRESTRESSING FORCE OF THE STRANDS AFTER ALL LOSSES IS 536,584 LBS.",
    "11. CONCRETE STRENGTH (f'c) = 6,500 PSI.",
    "12. ALLOWABLE PSC BEAM TENSION = 484 PSI."
  ],
  "labels": [
    "NOTES",
    "℄ BEARING TO",
    "EL"
  ],
  "description": "This crop is a notes block for PSC beams, with general beam handling, fabrication, bearing-dowel, surface preparation, transport-hole repair, and deflection notes. It also provides prestressing strand data, concrete strength, and allowable PSC beam tension; only a partial dimension and partial adjacent drawing labels are visible at the top."
}

{
  "view": "Notes",
  "objects": [
    {
      "name": "PSC beam",
      "tag": "",
      "shape": "",
      "material": "prestressed concrete",
      "count": null,
      "note": "Referenced throughout the notes; no beam geometry is shown in this crop."
    },
    {
      "name": "pick-up",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "To be embedded within the bottom of the beam; details to be included in shop drawings."
    },
    {
      "name": "smooth dowel",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Referenced at fixed and expansion bearing ends."
    },
    {
      "name": "slab",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Referenced as bonded to roughened beam tops."
    },
    {
      "name": "barrier",
      "tag": "",
      "shape": "",
      "material": "",
      "count": null,
      "note": "Referenced in composite dead load deflection note."
    },
    {
      "name": "prestressing strands",
      "tag": "",
      "shape": "",
      "material": "",
      "count": 20,
      "note": "Special low-relaxation strands."
    }
  ],
  "measurements": [
    {
      "label": "partial dimension at top of crop",
      "value": "1'-6 3/16\"",
      "unit": "",
      "appliesTo": ""
    },
    {
      "label": "pick-up location from beam ends",
      "value": "4'-6\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "pick-up embedment from bottom of beam",
      "value": "4\"",
      "unit": "",
      "appliesTo": "pick-up"
    },
    {
      "label": "beam edge chamfer",
      "value": "1/2\" OR 3/4\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "epoxy mortar at each beam end",
      "value": "1/8\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "fixed-end hole diameter",
      "value": "1 3/4\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "fixed-end hole depth",
      "value": "7\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "expansion-end slot width",
      "value": "4\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "expansion-end slot dimension",
      "value": "1 3/4\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "expansion-end slot depth",
      "value": "7\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "smooth dowel diameter",
      "value": "1 1/2\"",
      "unit": "",
      "appliesTo": "smooth dowel"
    },
    {
      "label": "roughened surface amplitude",
      "value": "1/4\"",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "strand quantity",
      "value": "20",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "strand diameter",
      "value": "1/2\"",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "strand area",
      "value": "0.167",
      "unit": "SQ IN",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "pretension force per strand",
      "value": "33,818",
      "unit": "LBS",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "minimum concrete strength before strand release",
      "value": "5,200",
      "unit": "PSI",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "total jacking force of pretensioning",
      "value": "676,350",
      "unit": "LBS",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "net prestressing force after all losses",
      "value": "536,584",
      "unit": "LBS",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "concrete strength",
      "value": "6,500",
      "unit": "PSI",
      "appliesTo": "PSC beam"
    },
    {
      "label": "allowable PSC beam tension",
      "value": "484",
      "unit": "PSI",
      "appliesTo": "PSC beam"
    }
  ],
  "notes": [
    "1. BEAMS SHALL BE MAINTAINED IN AN UPRIGHT POSITION AT ALL TIMES AND SHALL BE PICKED UP WITHIN 4'-6\" FROM THEIR ENDS. DISREGARDING THIS REQUIREMENT COULD LEAD TO COLLAPSE OF THE BEAM. PICK-UPS SHALL BE EMBEDDED TO WITHIN 4\" OF THE BOTTOM OF THE BEAM. DETAILS OF PICK-UPS SHALL BE INCLUDED IN THE SHOP DRAWINGS.",
    "2. CHAMFER EDGES OF BEAMS 1/2\" OR 3/4\".",
    "3. HORIZONTAL DIMENSIONS ARE IN PLACE DIMENSIONS. THE BEAM LENGTH INCLUDES THE 1/8\" EPOXY MORTAR AT EACH END. SHOP DRAWINGS SHALL ADJUST HORIZONTAL DIMENSIONS FOR GRADE AND FABRICATION EFFECTS SUCH AS SHRINKAGE AND ELASTIC SHORTENING.",
    "4. AT ℄ BEARING, FORM A 1 3/4\" DIAMETER X 7\" DEEP HOLE AT THE FIXED ENDS AND A 4\" X 1 3/4\" X 7\" DEEP SLOT AT THE EXPANSION ENDS FOR A 1 1/2\" DIAMETER SMOOTH DOWEL. SEE PLAN AND ELEVATION SHEET FOR LOCATION OF FIXED AND EXPANSION ENDS.",
    "5. TOPS OF BEAMS SHALL BE ROUGH FLOATED AT APPROXIMATELY THE TIME OF INITIAL SET. ENTIRE TOP SHALL BE SCRUBBED TRANSVERSELY WITH A COARSE BRUSH TO REMOVE ALL LAITANCE AND TO PRODUCE A ROUGHENED SURFACE FOR BONDING TO THE SLAB. ROUGHENED SURFACE SHALL HAVE AN AMPLITUDE OF APPROXIMATELY 1/4\". CONCRETE FINS OR PROJECTIONS SHALL BE REMOVED TO PRODUCE A VERTICAL FACE AT THE EDGE OF THE BEAM.",
    "6. ALL HOLES FORMED INTO THE BEAMS TO FACILITATE TRANSPORT SHALL BE FILLED AND GIVEN A TYPE I FINISH, PRIOR TO ACCEPTANCE OF THE BEAM. REMOVE PVC OR SIMILAR FORMING MATERIALS FROM EACH HOLE, EXPOSING THE CONCRETE SURFACE. COAT INTERIOR OF HOLE WITH A TYPE II EPOXY RESIN ADHESIVE IN ACCORDANCE WITH GEORGIA STANDARD SPECIFICATION 886 AND FILL WITH A RAPID SETTING PATCHING MATERIAL IN ACCORDANCE WITH GEORGIA STANDARD SPECIFICATION 934.",
    "7. NON-COMPOSITE DEAD LOAD DEFLECTION (∆NC) AT THE MIDPOINT IS DUE TO THE WEIGHT OF THE SLAB AND COPING.",
    "8. COMPOSITE DEAD LOAD DEFLECTION (∆C) AT THE MIDPOINT IS DUE TO THE WEIGHT OF BARRIER.",
    "9. STRANDS SHALL MEET ALL REQUIREMENTS OF ASTM A 416 GRADE 270.",
    "10. PRESTRESSING DATA IS AS FOLLOWS:",
    "A. USE 20 - 1/2\" DIAMETER SPECIAL LOW-RELAXATION (A = 0.167 SQ IN) STRANDS. PRETENSION STRANDS TO 33,818 LBS EACH.",
    "B. PRETENSIONED STRANDS SHALL BE RELEASED AFTER THE CONCRETE HAS REACHED A MINIMUM STRENGTH (f′ci) OF 5,200 PSI.",
    "C. INCLUDING THE TOP STRANDS, THE TOTAL JACKING FORCE OF PRETENSIONING IS 676,350 LBS.",
    "D. INCLUDING THE TOP STRANDS, THE NET PRESTRESSING FORCE OF THE STRANDS AFTER ALL LOSSES IS 536,584 LBS.",
    "11. CONCRETE STRENGTH (f′c) = 6,500 PSI.",
    "12. ALLOWABLE PSC BEAM TENSION = 484 PSI."
  ],
  "labels": [
    "NOTES",
    "℄ BEARING TO ℄",
    "ELE (partial)"
  ],
  "description": "This crop is a notes block for PSC beams, including handling, fabrication, bearing-end dowel provisions, surface preparation, transport-hole repair, deflection, strand, and prestressing requirements. A partial dimension line and partial bearing/elevation text are visible along the top edge of the crop."
}

{
  "view": "Elevation",
  "objects": [
    {
      "name": "prestressed concrete beam",
      "tag": "",
      "shape": "rectangular longitudinal beam",
      "material": "prestressed concrete",
      "count": 1,
      "note": "Elevation shows internal draped strands and end-region strand layouts."
    },
    {
      "name": "prestressing strands",
      "tag": "2-550",
      "shape": "draped",
      "material": "",
      "count": null,
      "note": "Called out at each location."
    },
    {
      "name": "prestressing strands",
      "tag": "2-450",
      "shape": "draped",
      "material": "",
      "count": 2,
      "note": ""
    },
    {
      "name": "prestressing strands",
      "tag": "2-651",
      "shape": "draped",
      "material": "",
      "count": null,
      "note": "Called out at each location."
    },
    {
      "name": "draped strands",
      "tag": "",
      "shape": "draped",
      "material": "",
      "count": 6,
      "note": ""
    },
    {
      "name": "diaphragm-bar hole",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "One hole is called out to be omitted at beams 6 and 12; another is called out to be omitted at beams 1 and 7."
    },
    {
      "name": "diaphragm bar",
      "tag": "4-351",
      "shape": "bar",
      "material": "",
      "count": 4,
      "note": "Shown in partial detail at lower right; called out each way."
    }
  ],
  "measurements": [
    {
      "label": "Span length",
      "value": "55'-0\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Beam length",
      "value": "53'-7⅝\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Midpoint to indicated location",
      "value": "26'-9¹³⁄₁₆\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Dimension at midpoint",
      "value": "9³⁄₁₆\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Spacing",
      "value": "3 SPACES AT 24\"",
      "unit": "",
      "appliesTo": "beam strand layout"
    },
    {
      "label": "Spacing",
      "value": "6\"",
      "unit": "",
      "appliesTo": "beam strand layout"
    },
    {
      "label": "Spacing",
      "value": "18 SPACES AT 12\"",
      "unit": "",
      "appliesTo": "beam strand layout"
    },
    {
      "label": "Spacing",
      "value": "4\"",
      "unit": "",
      "appliesTo": "beam strand layout"
    },
    {
      "label": "Spacing",
      "value": "3 SPACES AT 4\"",
      "unit": "",
      "appliesTo": "beam strand layout"
    },
    {
      "label": "End dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "beam strand layout"
    },
    {
      "label": "Strand quantity",
      "value": "2-550",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Strand quantity",
      "value": "2-450",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Strand quantity",
      "value": "2-651",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "Diameter",
      "value": "2\"",
      "unit": "",
      "appliesTo": "diaphragm-bar hole"
    },
    {
      "label": "Vertical dimension",
      "value": "1'-9\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Horizontal dimension",
      "value": "6⅞\"",
      "unit": "",
      "appliesTo": "beam diaphragm-bar hole location"
    },
    {
      "label": "Horizontal dimension",
      "value": "6⅞\"",
      "unit": "",
      "appliesTo": "beam diaphragm-bar hole location"
    },
    {
      "label": "Vertical dimension",
      "value": "8-451",
      "unit": "",
      "appliesTo": "beam end reinforcement callout"
    },
    {
      "label": "Strand quantity and spacing",
      "value": "10-350 AT 6\"",
      "unit": "",
      "appliesTo": "beam end reinforcement callout"
    },
    {
      "label": "End dimension",
      "value": "2-½\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Reinforcement callout",
      "value": "2-452",
      "unit": "",
      "appliesTo": "beam end reinforcement"
    },
    {
      "label": "Draped strand quantity",
      "value": "6",
      "unit": "",
      "appliesTo": "draped strands"
    },
    {
      "label": "Dimension",
      "value": "10³⁄₁₆\"",
      "unit": "",
      "appliesTo": "bearing end of beam"
    },
    {
      "label": "Dimension",
      "value": "8\"",
      "unit": "",
      "appliesTo": "bearing end of beam"
    },
    {
      "label": "Bearing end dimension",
      "value": "1'-6³⁄₁₆\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Bearing to bearing",
      "value": "52'-5⅜\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Dimension",
      "value": "8\"",
      "unit": "",
      "appliesTo": "bearing end of beam"
    },
    {
      "label": "Dimension",
      "value": "6³⁄₁₆\"",
      "unit": "",
      "appliesTo": "bearing end of beam"
    },
    {
      "label": "Bearing end dimension",
      "value": "1'-2³⁄₁₆\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Delta NC",
      "value": "½\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Delta C",
      "value": "¹⁄₁₆\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Detail centerline dimension",
      "value": "1\"",
      "unit": "",
      "appliesTo": "partial diaphragm-bar detail"
    },
    {
      "label": "Detail dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "partial diaphragm-bar detail"
    },
    {
      "label": "Diameter",
      "value": "2\"",
      "unit": "",
      "appliesTo": "diaphragm-bar hole"
    },
    {
      "label": "Reinforcement quantity",
      "value": "4-351",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "Diameter",
      "value": "5\" DIA.",
      "unit": "",
      "appliesTo": "partial diaphragm-bar detail"
    },
    {
      "label": "Cut-off distance",
      "value": "1\"",
      "unit": "",
      "appliesTo": "diaphragm bar from beam face"
    },
    {
      "label": "Pick-up distance from beam ends",
      "value": "4'-6\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Pick-up embedment from beam bottom",
      "value": "4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "Chamfer size",
      "value": "½\"",
      "unit": "",
      "appliesTo": "beam edges"
    },
    {
      "label": "Chamfer size",
      "value": "¾\"",
      "unit": "",
      "appliesTo": "beam edges"
    },
    {
      "label": "Epoxy mortar thickness",
      "value": "⅛\"",
      "unit": "",
      "appliesTo": "beam ends"
    },
    {
      "label": "Fixed-end hole diameter",
      "value": "1¾\"",
      "unit": "",
      "appliesTo": "bearing end"
    },
    {
      "label": "Fixed-end hole depth",
      "value": "7\"",
      "unit": "",
      "appliesTo": "bearing end"
    },
    {
      "label": "Expansion-end slot size",
      "value": "4\" x 1¾\" x 7\"",
      "unit": "",
      "appliesTo": "bearing end"
    },
    {
      "label": "Smooth dowel diameter",
      "value": "1½\"",
      "unit": "",
      "appliesTo": "bearing end"
    }
  ],
  "notes": [
    "1. BEAMS SHALL BE MAINTAINED IN AN UPRIGHT POSITION AT ALL TIMES AND SHALL BE PICKED UP WITHIN 4'-6\" FROM THEIR ENDS. DISREGARDING THIS REQUIREMENT COULD LEAD TO COLLAPSE OF THE BEAM. PICK-UPS SHALL BE EMBEDDED TO WITHIN 4\" OF THE BOTTOM OF THE BEAM. DETAILS OF PICK-UPS SHALL BE INCLUDED IN THE SHOP DRAWINGS.",
    "2. CHAMFER EDGES OF BEAMS ½\" OR ¾\".",
    "3. HORIZONTAL DIMENSIONS ARE IN PLACE DIMENSIONS. THE BEAM LENGTH INCLUDES THE ⅛\" EPOXY MORTAR AT EACH END. SHOP DRAWINGS SHALL ADJUST HORIZONTAL DIMENSIONS FOR GRADE AND COMPENSATE FOR ELASTIC ABREVIATION OF PRESTRESSING STRANDS.",
    "4. AT ℄ BEARING, FORM A 1¾\" DIAMETER X 7\" DEEP HOLE AT THE FIXED ENDS AND A 4\" X 1¾\" X 7\" DEEP SLOT AT THE EXPANSION ENDS FOR A 1½\" DIAMETER SMOOTH DOWEL. SEE PLAN AND ELEVATION SHEET FOR LOCATION OF FIXED AND EXPANSION ENDS.",
    "OMIT HOLE AT BEAMS 6 AND 12",
    "OMIT HOLE AT BEAMS 1 AND 7",
    "CUT OFF EXCESS DIAPHRAGM BAR 1\" FROM BEAM FACE.",
    "ALL DIMENSIONS ARE ALONG ℄ BEAM"
  ],
  "labels": [
    "B.F.P.R.",
    "℄ BENT",
    "℄ BEARING",
    "℄ LOW FRICTION TYPE HOLD DOWN",
    "NOTES",
    "ELEVATION"
  ],
  "description": "This crop shows the elevation of a single prestressed concrete beam between bearing centerlines, with span and beam lengths, strand layouts, draped strands, and diaphragm-bar hole locations. It also includes beam handling, chamfer, dimensional, and bearing-end dowel notes, plus a partial diaphragm-bar detail at the lower right."
}

{
  "view": "Cross Section",
  "objects": [
    {
      "name": "prestressed concrete beam",
      "tag": "",
      "shape": "I-shaped",
      "material": "prestressed concrete",
      "count": 1,
      "note": "End cross section shown."
    },
    {
      "name": "reinforcement bars",
      "tag": "8-#5",
      "shape": "circular bar sections",
      "material": "steel",
      "count": 8,
      "note": "Callout points to upper-flange reinforcement."
    },
    {
      "name": "reinforcement bars",
      "tag": "2-#5",
      "shape": "circular bar sections",
      "material": "steel",
      "count": 2,
      "note": "Upper-flange callout at right."
    },
    {
      "name": "reinforcement bar",
      "tag": "#5",
      "shape": "circular bar section",
      "material": "steel",
      "count": null,
      "note": "Leader points to reinforcement in the lower sloping portion of the section."
    },
    {
      "name": "reinforcement bars",
      "tag": "2-#5",
      "shape": "circular bar sections",
      "material": "steel",
      "count": 2,
      "note": "Callout at bottom of section."
    },
    {
      "name": "prestressing strands",
      "tag": "",
      "shape": "circular strand sections",
      "material": "steel",
      "count": null,
      "note": "Filled circular sections are shown; associated cropped note reads \"STRESSED STRANDS.\""
    }
  ],
  "measurements": [
    {
      "label": "top cover/offset dimension",
      "value": "2″",
      "unit": "",
      "appliesTo": "upper-flange reinforcement"
    },
    {
      "label": "centerline offset",
      "value": "1 1/8″ CL.",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "vertical depth dimension",
      "value": "1′-3″",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "bottom cover dimension",
      "value": "2″ CL.",
      "unit": "",
      "appliesTo": "bottom reinforcement"
    },
    {
      "label": "reinforcement quantity",
      "value": "8",
      "unit": "",
      "appliesTo": "8-#5 reinforcement bars"
    },
    {
      "label": "reinforcement quantity",
      "value": "2",
      "unit": "",
      "appliesTo": "2-#5 reinforcement bars"
    },
    {
      "label": "reinforcement quantity",
      "value": "2",
      "unit": "",
      "appliesTo": "2-#5 reinforcement bars at bottom"
    }
  ],
  "notes": [
    "NCE UNLESS OTHERWISE SHOWN.",
    "STRESSED STRANDS."
  ],
  "labels": [
    "GDOT",
    "P.I. NO.",
    "0019181",
    "SECTION AT END"
  ],
  "description": "This crop shows an end cross section of a prestressed concrete I-shaped beam, including reinforcing-bar and prestressing-strand locations. The lower portion contains partial general notes and the underlined title \"SECTION AT END.\""
}

{
  "view": "Cross Section",
  "objects": [
    {
      "name": "prestressed concrete beam",
      "tag": "",
      "shape": "I-shaped with flared top and bottom bulbs",
      "material": "prestressed concrete",
      "count": null,
      "note": "Two sectional conditions are shown: midpoint and end."
    },
    {
      "name": "prestressed strands",
      "tag": "",
      "shape": "circular",
      "material": "prestressed steel",
      "count": null,
      "note": "Shown as solid dots; drawing note identifies them as 1/2\" diameter prestressed strands."
    },
    {
      "name": "reinforcing bar",
      "tag": "550",
      "shape": "bent bar",
      "material": "",
      "count": null,
      "note": "Top-of-beam bar."
    },
    {
      "name": "reinforcing bar",
      "tag": "651",
      "shape": "bent bar",
      "material": "",
      "count": null,
      "note": "Top-of-beam bar."
    },
    {
      "name": "reinforcing bar",
      "tag": "451",
      "shape": "bent bar",
      "material": "",
      "count": 8,
      "note": "Shown at beam end."
    },
    {
      "name": "reinforcing bar",
      "tag": "450",
      "shape": "bent bar",
      "material": "",
      "count": 2,
      "note": "Shown at beam end."
    },
    {
      "name": "reinforcing bar",
      "tag": "452",
      "shape": "U-shaped bent bar",
      "material": "",
      "count": 2,
      "note": "Shown at beam end and in partial adjacent drawing."
    },
    {
      "name": "reinforcing bar",
      "tag": "350",
      "shape": "trapezoidal bent bar",
      "material": "",
      "count": null,
      "note": "Reinforcement detail is shown."
    }
  ],
  "measurements": [
    {
      "label": "top width",
      "value": "1'-0\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "horizontal dimension",
      "value": "5\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "vertical dimension",
      "value": "2 1/2\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "web width",
      "value": "6\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "horizontal dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "vertical dimension",
      "value": "6\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "vertical dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "vertical dimension",
      "value": "1'-3\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "overall depth",
      "value": "3'-0\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "vertical dimension",
      "value": "6\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "vertical dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "spacing",
      "value": "2 SPACES AT 2\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "spacing",
      "value": "7 SPACES AT 2\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "side dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "overall bottom width",
      "value": "1'-6\"",
      "unit": "",
      "appliesTo": "beam section at midpoint"
    },
    {
      "label": "horizontal dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "beam section at end"
    },
    {
      "label": "clearance",
      "value": "1 1/8\" CL.",
      "unit": "",
      "appliesTo": "beam section at end"
    },
    {
      "label": "depth",
      "value": "1'-3\"",
      "unit": "",
      "appliesTo": "beam section at end"
    },
    {
      "label": "clearance",
      "value": "2\" CL.",
      "unit": "",
      "appliesTo": "beam section at end"
    },
    {
      "label": "quantity",
      "value": "8",
      "unit": "",
      "appliesTo": "bar 451"
    },
    {
      "label": "quantity",
      "value": "2",
      "unit": "",
      "appliesTo": "bar 450"
    },
    {
      "label": "quantity",
      "value": "2",
      "unit": "",
      "appliesTo": "bar 452"
    },
    {
      "label": "dimension",
      "value": "1'-1\" TYP.",
      "unit": "",
      "appliesTo": "bar 350"
    },
    {
      "label": "angle",
      "value": "45° TYP.",
      "unit": "",
      "appliesTo": "bar 350"
    },
    {
      "label": "vertical dimension",
      "value": "3\" TYP.",
      "unit": "",
      "appliesTo": "bar 350"
    },
    {
      "label": "width",
      "value": "1'-3\"",
      "unit": "",
      "appliesTo": "bar 350"
    },
    {
      "label": "minimum clearance",
      "value": "1\"",
      "unit": "",
      "appliesTo": "prestressed strands"
    },
    {
      "label": "strand diameter",
      "value": "1/2\"",
      "unit": "",
      "appliesTo": "prestressed strands"
    },
    {
      "label": "minimum lap",
      "value": "1'-0\"",
      "unit": "",
      "appliesTo": "bar 350"
    },
    {
      "label": "dimension",
      "value": "1'-0\"",
      "unit": "",
      "appliesTo": "partial reinforcement detail at bottom of crop"
    },
    {
      "label": "dimension",
      "value": "5'-0\"",
      "unit": "",
      "appliesTo": "partial reinforcement detail at bottom of crop"
    },
    {
      "label": "dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "partial adjacent drawing at left"
    },
    {
      "label": "dimension",
      "value": "2 1/2\"",
      "unit": "",
      "appliesTo": "partial adjacent drawing at left"
    },
    {
      "label": "dimension",
      "value": "6 3/16\"",
      "unit": "",
      "appliesTo": "partial adjacent drawing at left"
    },
    {
      "label": "dimension",
      "value": "3/16\"",
      "unit": "",
      "appliesTo": "partial adjacent drawing at left"
    },
    {
      "label": "quantity",
      "value": "2",
      "unit": "",
      "appliesTo": "bar 651"
    },
    {
      "label": "quantity",
      "value": "2",
      "unit": "",
      "appliesTo": "bar 452"
    }
  ],
  "notes": [
    "ALL DIMENSIONS ARE ALONG ℄ BEAM",
    "MAINTAIN 1\" MINIMUM CLEARANCE UNLESS OTHERWISE SHOWN.",
    "• INDICATES 1/2\" DIAMETER PRESTRESSED STRANDS.",
    "ALL BAR DIMENSIONS ARE OUT TO OUT.",
    "AT THE TOP OF THE BEAM, BARS 550 AND 651 SHALL BE FIELD BENT OR SHOP BENT 90°, SUCH THAT THE HORIZONTAL LEG EXTENDS BETWEEN THE TOP AND BOTTOM MATS OF SLAB REINFORCEMENT.",
    "SLIGHTLY SHIFT OR SLOPE BARS 451 TO AVOID CONFLICT WITH STRANDS.",
    "BARS 350 MAY BE FABRICATED IN TWO PARTS BY LAPPING HORIZONTAL SECTION BY 1'-0\" MINIMUM.",
    "PLACE BARS 452 WITH OPEN ENDS AWAY FROM BEAM ENDS."
  ],
  "labels": [
    "℄ BENT",
    "SECTION AT MIDPOINT",
    "SECTION AT END",
    "REINFORCEMENT",
    "P.I. NO.",
    "0019181",
    "GDT"
  ],
  "description": "This crop shows cross sections of a prestressed concrete beam at the midpoint and at the end, including the beam profile, prestressed strand locations, and reinforcement callouts. A reinforcement block provides the bar 350 shape and notes governing bars 350, 451, 452, 550, and 651. Partial dimensions and callouts from an adjacent drawing are visible along the left edge and at the bottom of the crop."
}

{
  "view": "Section",
  "objects": [
    {
      "name": "prestressed concrete member end section",
      "tag": "",
      "shape": "stepped and tapered I-shaped section",
      "material": "prestressed concrete",
      "count": 1,
      "note": "End section shows flared top and bottom zones, with prestressed strand locations and reinforcing steel."
    },
    {
      "name": "reinforcement bar group",
      "tag": "8-451",
      "shape": "circular bar ends",
      "material": "",
      "count": 8,
      "note": "Leader points to reinforcement at the upper end of the member."
    },
    {
      "name": "reinforcement bar group",
      "tag": "2-450",
      "shape": "circular bar ends",
      "material": "",
      "count": 2,
      "note": "Leader points to reinforcement at the upper end of the member."
    },
    {
      "name": "reinforcement bar group",
      "tag": "2-452",
      "shape": "",
      "material": "",
      "count": 2,
      "note": "Callout is at the bottom flange region."
    },
    {
      "name": "prestressed strands",
      "tag": "",
      "shape": "circular strand ends",
      "material": "",
      "count": null,
      "note": "Multiple strand ends are shown in the lower flared section; note text referring to prestressed strands is partially visible."
    }
  ],
  "measurements": [
    {
      "label": "",
      "value": "2\"",
      "unit": "",
      "appliesTo": "upper end clearance"
    },
    {
      "label": "",
      "value": "650",
      "unit": "",
      "appliesTo": "upper end dimension"
    },
    {
      "label": "",
      "value": "1 1/2\" CL.",
      "unit": "",
      "appliesTo": "member side clearance"
    },
    {
      "label": "",
      "value": "350",
      "unit": "",
      "appliesTo": "lower flared section"
    },
    {
      "label": "",
      "value": "2'-7\"",
      "unit": "",
      "appliesTo": "prestressed concrete member end section"
    },
    {
      "label": "",
      "value": "2\" CL.",
      "unit": "",
      "appliesTo": "bottom clearance"
    }
  ],
  "notes": [
    "CLEARANCE UNLESS OTHERWISE SHOWN.",
    "PRESTRESSED STRANDS."
  ],
  "labels": [
    "G DOT",
    "P.I. NO.",
    "0019181",
    "SECTION AT END"
  ],
  "description": "This crop shows a section at the end of a prestressed concrete member with a tapered, flared profile at the top and bottom. Reinforcement callouts, prestressed strand end locations, clearances, and member dimensions are shown; the adjacent notes are cropped at the left edge."
}

{
  "view": "Notes",
  "objects": [
    {
      "name": "PSC beam",
      "tag": "",
      "shape": "",
      "material": "precast concrete",
      "count": null,
      "note": "Beam requirements and prestressing data are provided in the notes; only fragments of beam details are shown."
    },
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "circular bar",
      "material": "",
      "count": 1,
      "note": "Shown in the recess detail at diaphragm bar end."
    },
    {
      "name": "Diaphragm bar recess",
      "tag": "",
      "shape": "rectangular stepped recess",
      "material": "",
      "count": 1,
      "note": "Detail is partially cropped at the right."
    },
    {
      "name": "Washer",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Specified at diaphragm bar ends."
    },
    {
      "name": "Nut",
      "tag": "",
      "shape": "hexagonal",
      "material": "",
      "count": null,
      "note": "Specified at diaphragm bar ends."
    },
    {
      "name": "Dowel",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Specified at bearing locations."
    }
  ],
  "measurements": [
    {
      "label": "dimension",
      "value": "1'-2 3/16\"",
      "unit": "",
      "appliesTo": ""
    },
    {
      "label": "℄ BEARING TO ℄ BEARING",
      "value": "79'-7 5/8\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "dimension",
      "value": "1\"",
      "unit": "",
      "appliesTo": "diaphragm bar recess detail"
    },
    {
      "label": "dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "diaphragm bar recess detail"
    },
    {
      "label": "hole diameter",
      "value": "2\"",
      "unit": "",
      "appliesTo": "diaphragm bar recess"
    },
    {
      "label": "reinforcement",
      "value": "4-35I AT 4\" EACH WAY",
      "unit": "",
      "appliesTo": "diaphragm bar recess"
    },
    {
      "label": "diameter",
      "value": "5\"",
      "unit": "",
      "appliesTo": "diaphragm bar recess"
    },
    {
      "label": "pick-up distance from beam ends",
      "value": "5'-6\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "pick-up embedment from bottom of beam",
      "value": "4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "chamfer",
      "value": "1/2\" OR 3/4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "epoxy mortar at each end",
      "value": "1/8\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "fixed-end hole diameter",
      "value": "1 3/4\"",
      "unit": "",
      "appliesTo": "bearing"
    },
    {
      "label": "fixed-end hole depth",
      "value": "7\"",
      "unit": "",
      "appliesTo": "bearing"
    },
    {
      "label": "expansion-end deep slot",
      "value": "4\" x 1 3/4\" x 7\"",
      "unit": "",
      "appliesTo": "bearing"
    },
    {
      "label": "smooth dowel diameter",
      "value": "1 1/2\"",
      "unit": "",
      "appliesTo": "bearing"
    },
    {
      "label": "roughened surface amplitude",
      "value": "1/4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "strand quantity and diameter",
      "value": "36 - 1/2\"",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "strand area",
      "value": "0.167 SQ IN",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "pretension per strand",
      "value": "33,818 LBS",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "minimum concrete strength for strand release",
      "value": "5,200 PSI",
      "unit": "",
      "appliesTo": "concrete"
    },
    {
      "label": "total jacking force",
      "value": "1,217,430 LBS",
      "unit": "",
      "appliesTo": "prestensioning"
    },
    {
      "label": "net prestressing force after all losses",
      "value": "930,145 LBS",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "concrete strength",
      "value": "6,500 PSI",
      "unit": "",
      "appliesTo": "concrete"
    },
    {
      "label": "allowable PSC beam tension",
      "value": "484 PSI",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "diaphragm bar diameter",
      "value": "1\"",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "thread length on each end",
      "value": "5\"",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "washer dimensions",
      "value": "1/4\" x 3 1/2\" DIAMETER",
      "unit": "",
      "appliesTo": "washer"
    },
    {
      "label": "cut off excess diaphragm bar",
      "value": "1\"",
      "unit": "",
      "appliesTo": "diaphragm bar"
    }
  ],
  "notes": [
    "1. BEAMS SHALL BE MAINTAINED IN AN UPRIGHT POSITION AT ALL TIMES AND SHALL BE PICKED UP WITHIN 5'-6\" FROM THEIR ENDS. DISREGARDING THIS REQUIREMENT COULD LEAD TO COLLAPSE OF THE BEAM. PICK-UPS SHALL BE EMBEDDED TO WITHIN 4\" OF THE BOTTOM OF THE BEAM. DETAILS OF PICK-UPS SHALL BE INCLUDED IN THE SHOP DRAWINGS.",
    "2. CHAMFER EDGES OF BEAMS 1/2\" OR 3/4\".",
    "3. HORIZONTAL DIMENSIONS ARE IN PLACE DIMENSIONS. THE BEAM LENGTH INCLUDES THE 1/8\" EPOXY MORTAR AT EACH END. SHOP DRAWINGS SHALL ADJUST HORIZONTAL DIMENSIONS FOR GRADE AND FABRICATION EFFECTS SUCH AS SHRINKAGE AND ELASTIC SHORTENING.",
    "4. AT ℄ BEARING, FORM A 1 3/4\" DIAMETER X 7\" DEEP HOLE AT THE FIXED ENDS AND A 4\" X 1 3/4\" X 7\" DEEP SLOT AT THE EXPANSION ENDS FOR A 1 1/2\" DIAMETER SMOOTH DOWEL. SEE PLAN AND ELEVATION SHEET FOR LOCATION OF FIXED AND EXPANSION ENDS.",
    "5. TOPS OF BEAMS SHALL BE ROUGH FLOATED AT APPROXIMATELY THE TIME OF INITIAL SET. ENTIRE TOP SHALL BE SCRUBBED TRANSVERSELY WITH A COARSE BRUSH TO REMOVE ALL LAITANCE AND TO PRODUCE A ROUGHENED SURFACE FOR BONDING TO THE SLAB. ROUGHENED SURFACE SHALL HAVE AN AMPLITUDE OF APPROXIMATELY 1/4\". CONCRETE FINS OR PROJECTIONS SHALL BE REMOVED TO PRODUCE A VERTICAL FACE AT THE EDGE OF THE BEAM.",
    "6. ALL HOLES FORMED INTO THE BEAMS TO FACILITATE TRANSPORT SHALL BE FILLED AND GIVEN A TYPE I FINISH, PRIOR TO ACCEPTANCE OF THE BEAM. REMOVE TWO OR SIMILAR FORMING MATERIALS FROM EACH HOLE, EXPOSING THE CONCRETE SURFACE. COAT INTERIOR OF HOLE WITH A TYPE II EPOXY RESIN ADHESIVE IN ACCORDANCE WITH GEORGIA STANDARD SPECIFICATION 886 AND FILL WITH A RAPID SETTING PATCHING MATERIAL IN ACCORDANCE WITH GEORGIA STANDARD SPECIFICATION 934.",
    "7. NON-COMPOSITE DEAD LOAD DEFLECTION (ΔNC) AT THE MIDPOINT IS DUE TO THE WEIGHT OF THE SLAB AND COPING.",
    "8. COMPOSITE DEAD LOAD DEFLECTION (ΔC) AT THE MIDPOINT IS DUE TO THE WEIGHT OF BARRIER.",
    "9. STRANDS SHALL MEET ALL REQUIREMENTS OF ASTM A 416 GRADE 270.",
    "10. PRESTRESSING DATA IS AS FOLLOWS:",
    "A. USE 36 - 1/2\" DIAMETER SPECIAL LOW-RELAXATION (A = 0.167 SQ IN) STRANDS. PRETENSION STRANDS TO 33,818 LBS EACH.",
    "B. PRETENSIONED STRANDS SHALL BE RELEASED AFTER THE CONCRETE HAS REACHED A MINIMUM STRENGTH (f'ci) OF 5,200 PSI.",
    "C. INCLUDING THE TOP STRANDS, THE TOTAL JACKING FORCE OF PRETENSIONING IS 1,217,430 LBS.",
    "D. INCLUDING THE TOP STRANDS, THE NET PRESTRESSING FORCE OF THE STRANDS AFTER ALL LOSSES IS 930,145 LBS.",
    "11. CONCRETE STRENGTH (f'c) = 6,500 PSI.",
    "12. ALLOWABLE PSC BEAM TENSION = 484 PSI.",
    "⊗ DIAPHRAGM BAR SHALL BE A 1\" DIAMETER PLAIN BAR, THREADED 5\" ON EACH END, WITH 1/4\" x 3 1/2\" DIAMETER WASHERS AND NUTS (ASTM A 105 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, PA… DIAPHRAGM BAR, WASHER, AND NUT EXPOSED IN RECESS … SPECIAL PROTECTIVE COATING NO. 2 AS PER SECTION 535 … THE GEORGIA DOT SPECIFICATIONS. AFTER PAINTING, FILL RECESS WITH AN APPROVED EPOXY GROUT.",
    "GALVANIZING OF THE DIAPHRAGM BAR AS PER SUB-SECTI… 865.2.01.B.2 OF THE GEORGIA DOT SPECIFICATIONS IS NOT REQUIRED."
  ],
  "labels": [
    "NOTES",
    "ELEVATION",
    "RECESS DETAIL FOR DIAPHRAGM BAR END",
    "℄ BENT",
    "℄ BEAM",
    "BEVEL TOP FLANGE PARALLEL TO ℄ BENT",
    "BEVEL DETAILS",
    "CUT OFF EXCESS D… 1\" FROM BEAM FACE"
  ],
  "description": "This crop is primarily a general notes block for PSC beams, including handling, bearing-end dowel provisions, surface preparation, repair, deflection, and prestressing requirements. At right, it includes a partially cropped elevation/recess detail for a diaphragm bar end and a bevel detail showing the relationship of the beam top flange to the bent centerline."
}

{
  "view": "Notes",
  "objects": [
    {
      "name": "PSC beam",
      "tag": "",
      "shape": "rectangular end/detail fragment with beveled top flange",
      "material": "precast concrete",
      "count": 1,
      "note": "Beam end is shown in the recess and bevel details; notes refer to PSC beams."
    },
    {
      "name": "Diaphragm bar",
      "tag": "",
      "shape": "circular plain bar",
      "material": "",
      "count": 1,
      "note": "Shown at beam-end recess detail."
    },
    {
      "name": "Dowel",
      "tag": "",
      "shape": "circular",
      "material": "smooth",
      "count": 1,
      "note": "Referenced for fixed and expansion bearing-end connection."
    },
    {
      "name": "Recess",
      "tag": "",
      "shape": "rectangular",
      "material": "",
      "count": 1,
      "note": "Beam-end recess shown for diaphragm bar end."
    },
    {
      "name": "Washer",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": null,
      "note": "Diaphragm-bar hardware; note specifies 1/4 in. x 3-1/2 in. diameter washers."
    },
    {
      "name": "Nut",
      "tag": "",
      "shape": "hexagonal",
      "material": "",
      "count": null,
      "note": "Diaphragm-bar hardware; note identifies nuts as ASTM A 105 Grade 36."
    },
    {
      "name": "Prestressing strands",
      "tag": "",
      "shape": "strand",
      "material": "",
      "count": 36,
      "note": "Special low-relaxation strands specified in prestressing data."
    }
  ],
  "measurements": [
    {
      "label": "partial dimension at top of crop",
      "value": "1'-2 3/16\"",
      "unit": "",
      "appliesTo": ""
    },
    {
      "label": "centerline bearing to centerline bearing",
      "value": "79'-7 5/8\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "beam pick-up distance from ends",
      "value": "5'-6\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "pick-up embedment from bottom of beam",
      "value": "4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "beam edge chamfer",
      "value": "1/2\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "beam edge chamfer",
      "value": "3/4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "epoxy mortar at each beam end",
      "value": "1/8\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "fixed-end hole diameter",
      "value": "1 3/4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "fixed-end hole depth",
      "value": "7\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "expansion-end slot width",
      "value": "4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "expansion-end slot width",
      "value": "1 3/4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "expansion-end slot depth",
      "value": "7\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "smooth dowel diameter",
      "value": "1 1/2\"",
      "unit": "",
      "appliesTo": "dowel"
    },
    {
      "label": "roughened surface amplitude",
      "value": "1/4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "special low-relaxation strand diameter",
      "value": "1/2\"",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "strand area",
      "value": "0.167 SQ IN",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "pretension strands",
      "value": "36",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "pretension force per strand",
      "value": "33,818 LBS",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "minimum concrete strength before strand release",
      "value": "5,200 PSI",
      "unit": "",
      "appliesTo": "prestressed beam"
    },
    {
      "label": "total jacking force of pretensioning",
      "value": "1,217,430 LBS",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "net prestressing force after losses",
      "value": "930,145 LBS",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "concrete strength",
      "value": "6,500 PSI",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "allowable PSC beam tension",
      "value": "484 PSI",
      "unit": "",
      "appliesTo": "PSC beam"
    },
    {
      "label": "recess detail centerline offset",
      "value": "1\"",
      "unit": "",
      "appliesTo": "recess"
    },
    {
      "label": "recess detail dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "recess"
    },
    {
      "label": "hole diameter",
      "value": "2\"",
      "unit": "",
      "appliesTo": "recess"
    },
    {
      "label": "reinforcement/callout spacing",
      "value": "4\"",
      "unit": "",
      "appliesTo": "recess"
    },
    {
      "label": "recess detail diameter",
      "value": "5\"",
      "unit": "",
      "appliesTo": "recess"
    },
    {
      "label": "excess diameter cut-off from beam face",
      "value": "1\"",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "diaphragm bar diameter",
      "value": "1\"",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "thread length on each diaphragm-bar end",
      "value": "5\"",
      "unit": "",
      "appliesTo": "diaphragm bar"
    },
    {
      "label": "washer thickness",
      "value": "1/4\"",
      "unit": "",
      "appliesTo": "washer"
    },
    {
      "label": "washer diameter",
      "value": "3 1/2\"",
      "unit": "",
      "appliesTo": "washer"
    }
  ],
  "notes": [
    "1. BEAMS SHALL BE MAINTAINED IN AN UPRIGHT POSITION AT ALL TIMES AND SHALL BE PICKED UP WITHIN 5'-6\" FROM THEIR ENDS. DISREGARDING THIS REQUIREMENT COULD LEAD TO COLLAPSE OF THE BEAM. PICK-UPS SHALL BE EMBEDDED TO WITHIN 4\" OF THE BOTTOM OF THE BEAM. DETAILS OF PICK-UPS SHALL BE INCLUDED IN THE SHOP DRAWINGS.",
    "2. CHAMFER EDGES OF BEAMS 1/2\" OR 3/4\".",
    "3. HORIZONTAL DIMENSIONS ARE IN PLACE DIMENSIONS. THE BEAM LENGTH INCLUDES THE 1/8\" EPOXY MORTAR AT EACH END. SHOP DRAWINGS SHALL ADJUST HORIZONTAL DIMENSIONS FOR GRADE AND FABRICATION EFFECTS SUCH AS SHRINKAGE AND ELASTIC SHORTENING.",
    "4. AT ℄ BEARING, FORM A 1 3/4\" DIAMETER X 7\" DEEP HOLE AT THE FIXED ENDS AND A 4\" X 1 3/4\" X 7\" DEEP SLOT AT THE EXPANSION ENDS FOR A 1 1/2\" DIAMETER SMOOTH DOWEL. SEE PLAN AND ELEVATION SHEET FOR LOCATION OF FIXED AND EXPANSION ENDS.",
    "5. TOPS OF BEAMS SHALL BE ROUGH FLOATED AT APPROXIMATELY THE TIME OF INITIAL SET. ENTIRE TOP SHALL BE SCRUBBED TRANSVERSELY WITH A COARSE BRUSH TO REMOVE ALL LAITANCE AND TO PRODUCE A ROUGHENED SURFACE FOR BONDING TO THE SLAB. ROUGHENED SURFACE SHALL HAVE AN AMPLITUDE OF APPROXIMATELY 1/4\". CONCRETE FINS OR PROJECTIONS SHALL BE REMOVED TO PRODUCE A VERTICAL FACE AT THE EDGE OF THE BEAM.",
    "6. ALL HOLES FORMED INTO THE BEAMS TO FACILITATE TRANSPORT SHALL BE FILLED AND GIVEN A TYPE I FINISH, PRIOR TO ACCEPTANCE OF THE BEAM. REMOVE PVC OR SIMILAR FORMING MATERIALS FROM EACH HOLE, EXPOSING THE CONCRETE SURFACE. COAT INTERIOR OF HOLE WITH A TYPE III EPOXY RESIN ADHESIVE IN ACCORDANCE WITH GEORGIA STANDARD SPECIFICATION 886 AND FILL WITH A RAPID SETTING PATCHING MATERIAL IN ACCORDANCE WITH GEORGIA STANDARD SPECIFICATION 934.",
    "7. NON-COMPOSITE DEAD LOAD DEFLECTION (ΔNC) AT THE MIDPOINT IS DUE TO THE WEIGHT OF THE SLAB AND COPING.",
    "8. COMPOSITE DEAD LOAD DEFLECTION (ΔC) AT THE MIDPOINT IS DUE TO THE WEIGHT OF BARRIER.",
    "9. STRANDS SHALL MEET ALL REQUIREMENTS OF ASTM A 416 GRADE 270.",
    "10. PRESTRESSING DATA IS AS FOLLOWS:",
    "A. USE 36 - 1/2\" DIAMETER SPECIAL LOW-RELAXATION (A = 0.167 SQ IN) STRANDS. PRETENSION STRANDS TO 33,818 LBS EACH.",
    "B. PRETENSIONED STRANDS SHALL BE RELEASED AFTER THE CONCRETE HAS REACHED A MINIMUM STRENGTH (fci) OF 5,200 PSI.",
    "C. INCLUDING THE TOP STRANDS, THE TOTAL JACKING FORCE OF PRETENSIONING IS 1,217,430 LBS.",
    "D. INCLUDING THE TOP STRANDS, THE NET PRESTRESSING FORCE OF THE STRANDS AFTER ALL LOSSES IS 930,145 LBS.",
    "11. CONCRETE STRENGTH (f'c) = 6,500 PSI.",
    "12. ALLOWABLE PSC BEAM TENSION = 484 PSI.",
    "DIAPHRAGM BAR SHALL BE A 1\" DIAMETER PLAIN BAR, THREADED 5\" ON EACH END, WITH 1/4\" X 3 1/2\" DIAMETER WASHERS AND H… NUTS (ASTM A 105 GRADE 36).",
    "TIGHTEN DIAPHRAGM BAR AS PER SUB-SECTION 507.3.05.C O… THE GEORGIA DOT SPECIFICATIONS.",
    "AFTER EXCESS DIAPHRAGM BAR HAS BEEN CUT OFF, PAIN… 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 TH… 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.",
    "BEVEL TOP FLANGE PARALLEL TO ℄ BENT."
  ],
  "labels": [
    "NOTES",
    "ELEVATION",
    "RECESS DETAIL FOR DIAPHRAGM BAR ENDS",
    "BEVEL DETAILS",
    "℄ BENT",
    "℄ BEAM"
  ],
  "description": "This crop is primarily a beam construction-notes block for prestressed concrete beams, with notes on handling, bearing-end dowels, surface preparation, hole repairs, deflection, prestressing, and concrete strength. At right it includes a small elevation/detail of the diaphragm-bar end recess and a bevel detail for the beam top flange."
}

{
  "view": "Elevation",
  "objects": [
    {
      "name": "prestressed concrete beam",
      "tag": "",
      "shape": "rectangular elevation",
      "material": "prestressed concrete",
      "count": 1,
      "note": "Beam elevation shown between C/L BENT 2 and C/L BENT 3."
    },
    {
      "name": "diaphragm bar hole",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 2,
      "note": "Called out as C/L 2 in. DIAMETER HOLE FOR DIAPHRAGM BAR; holes are omitted at specified beam numbers."
    },
    {
      "name": "draped prestressing strands",
      "tag": "",
      "shape": "draped linear",
      "material": "",
      "count": 8,
      "note": "Shown sloping upward toward the right end of the beam."
    },
    {
      "name": "reinforcing bars",
      "tag": "#5",
      "shape": "linear",
      "material": "",
      "count": null,
      "note": "2-#5 AT EACH LOCATION."
    },
    {
      "name": "reinforcing bars",
      "tag": "#4",
      "shape": "linear",
      "material": "",
      "count": null,
      "note": "2-#4 callout shown."
    },
    {
      "name": "reinforcing bars",
      "tag": "#6",
      "shape": "linear",
      "material": "",
      "count": null,
      "note": "2-#6 AT EACH LOCATION."
    },
    {
      "name": "reinforcing bars",
      "tag": "#3",
      "shape": "linear",
      "material": "",
      "count": null,
      "note": "13-#3 AT 6 in. callout shown."
    },
    {
      "name": "reinforcing bars",
      "tag": "#5",
      "shape": "linear",
      "material": "",
      "count": null,
      "note": "2-#5 callout at the lower right end is partially shown."
    }
  ],
  "measurements": [
    {
      "label": "span length",
      "value": "82'-0\"",
      "unit": "",
      "appliesTo": "beam span between C/L BENT 2 and C/L BENT 3"
    },
    {
      "label": "beam length",
      "value": "80'-1 5/8\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "dimension to midpoint / hold-down centerline",
      "value": "40'-5 3/16\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "spacing / end dimension",
      "value": "11 13/16\"",
      "unit": "",
      "appliesTo": "beam reinforcement layout"
    },
    {
      "label": "spaces",
      "value": "9 SPACES AT 24\"",
      "unit": "",
      "appliesTo": "beam reinforcement layout"
    },
    {
      "label": "spaces",
      "value": "19 SPACES AT 12\"",
      "unit": "",
      "appliesTo": "beam reinforcement layout"
    },
    {
      "label": "spacing / transition dimension",
      "value": "4\"",
      "unit": "",
      "appliesTo": "beam reinforcement layout"
    },
    {
      "label": "spaces",
      "value": "6 SPACES AT 4\"",
      "unit": "",
      "appliesTo": "beam reinforcement layout"
    },
    {
      "label": "end dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "beam reinforcement layout"
    },
    {
      "label": "reinforcing bars",
      "value": "2-#5 AT EACH LOCATION",
      "unit": "",
      "appliesTo": "#5 reinforcing bars"
    },
    {
      "label": "reinforcing bars",
      "value": "2-#4",
      "unit": "",
      "appliesTo": "#4 reinforcing bars"
    },
    {
      "label": "reinforcing bars",
      "value": "2-#6 AT EACH LOCATION",
      "unit": "",
      "appliesTo": "#6 reinforcing bars"
    },
    {
      "label": "draped strands",
      "value": "8",
      "unit": "",
      "appliesTo": "prestressing strands"
    },
    {
      "label": "reinforcing bars",
      "value": "13-#3 AT 6\"",
      "unit": "",
      "appliesTo": "#3 reinforcing bars"
    },
    {
      "label": "reinforcing bars",
      "value": "2-#5",
      "unit": "",
      "appliesTo": "lower-right reinforcing bars"
    },
    {
      "label": "vertical beam dimension",
      "value": "8'-4 5/8\"",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "vertical dimension",
      "value": "2'-3\"",
      "unit": "",
      "appliesTo": "diaphragm bar hole location"
    },
    {
      "label": "diaphragm bar hole diameter",
      "value": "2\"",
      "unit": "",
      "appliesTo": "diaphragm bar hole"
    },
    {
      "label": "hole offset",
      "value": "6 7/8\"",
      "unit": "",
      "appliesTo": "diaphragm bar holes"
    },
    {
      "label": "hole offset",
      "value": "6 7/8\"",
      "unit": "",
      "appliesTo": "diaphragm bar holes"
    },
    {
      "label": "bearing offset",
      "value": "6 3/16\"",
      "unit": "",
      "appliesTo": "left beam end / C/L BEARING"
    },
    {
      "label": "bearing offset",
      "value": "8\"",
      "unit": "",
      "appliesTo": "left beam end / C/L BEARING"
    },
    {
      "label": "beam end to bent centerline",
      "value": "1'-2 3/16\"",
      "unit": "",
      "appliesTo": "left end of beam"
    },
    {
      "label": "bearing to bearing",
      "value": "79'-7 5/8\"",
      "unit": "",
      "appliesTo": "C/L BEARING TO C/L BEARING"
    },
    {
      "label": "bearing offset",
      "value": "8\"",
      "unit": "",
      "appliesTo": "right beam end / C/L BEARING"
    },
    {
      "label": "bearing offset",
      "value": "6 3/16\"",
      "unit": "",
      "appliesTo": "right beam end / C/L BEARING"
    },
    {
      "label": "beam end to bent centerline",
      "value": "1'-2 3/16\"",
      "unit": "",
      "appliesTo": "right end of beam"
    },
    {
      "label": "vertical dimension",
      "value": "2 5/8\"",
      "unit": "",
      "appliesTo": "right beam-end reinforcement detail"
    },
    {
      "label": "partial adjacent-detail dimension",
      "value": "2 1/2\"",
      "unit": "",
      "appliesTo": "partial detail at right crop edge"
    },
    {
      "label": "spaces",
      "value": "3 SPACES AT 2\"",
      "unit": "",
      "appliesTo": "partial detail at right crop edge"
    },
    {
      "label": "vertical dimension",
      "value": "3\"",
      "unit": "",
      "appliesTo": "partial detail at right crop edge"
    },
    {
      "label": "vertical dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "partial detail at right crop edge"
    },
    {
      "label": "delta NC",
      "value": "1 1/4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "delta C",
      "value": "1/8\"",
      "unit": "",
      "appliesTo": "beam"
    }
  ],
  "notes": [
    "MIDPOINT, DETAILS SYMMETRICAL ABOUT MIDPOINT UNLESS NOTED",
    "C/L 2\" DIAMETER HOLE FOR DIAPHRAGM BAR",
    "OMIT HOLE AT BEAMS 1 AND 7",
    "OMIT HOLE AT BEAMS 6 AND 12",
    "C/L LOW FRICTION TYPE HOLD DOWN",
    "ALL DIMENSIONS ARE ALONG C/L BEAM"
  ],
  "labels": [
    "C/L BENT 2",
    "C/L BENT 3",
    "C/L BEARING",
    "NOTES",
    "ELEVATION"
  ],
  "description": "This crop shows an elevation of a single prestressed concrete beam spanning between C/L BENT 2 and C/L BENT 3. It documents beam and bearing centerline dimensions, diaphragm-bar holes, draped strand profile, end-region reinforcing callouts, and a low-friction-type hold-down centerline."
}

{
  "view": "Cross Section",
  "objects": [
    {
      "name": "prestressed concrete beam",
      "tag": "",
      "shape": "I-girder section with widened top and bottom flanges and narrow web",
      "material": "",
      "count": 1,
      "note": "End-section profile shown."
    },
    {
      "name": "prestressed strand group",
      "tag": "8-451",
      "shape": "circular strand symbols",
      "material": "prestressed strands",
      "count": 8,
      "note": "Leader points to an upper strand symbol."
    },
    {
      "name": "prestressed strand group",
      "tag": "2-450",
      "shape": "circular strand symbols",
      "material": "prestressed strands",
      "count": 2,
      "note": "Leader points to an upper strand symbol."
    },
    {
      "name": "prestressed strand group",
      "tag": "2-452",
      "shape": "circular strand symbols",
      "material": "prestressed strands",
      "count": 2,
      "note": "Leader points to lower strand symbols."
    }
  ],
  "measurements": [
    {
      "label": "horizontal dimension at top flange",
      "value": "650",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "top horizontal clearance/cover dimension",
      "value": "2”",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "centerline dimension",
      "value": "1½” CL.",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "lower centerline dimension",
      "value": "2” CL.",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "vertical overall depth",
      "value": "2’-7”",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    },
    {
      "label": "dimension at lower sloping flange area",
      "value": "350",
      "unit": "",
      "appliesTo": "prestressed concrete beam"
    }
  ],
  "notes": [
    "LEARANCE UNLESS OTHERWISE SHOWN. (partial)",
    "R PRESTRESSED STRANDS. (partial)"
  ],
  "labels": [
    "GDOT",
    "P.I. NO.",
    "0019181",
    "SECTION AT END"
  ],
  "description": "This crop shows an end cross section of a prestressed beam, with a widened top flange, narrow web, and widened bottom flange. Circular prestressed-strand symbols and strand-group callouts are shown within the beam section, together with section dimensions and centerline/clearance dimensions."
}

{
  "view": "Cross Section",
  "objects": [
    {
      "name": "prestressed concrete beam",
      "tag": "",
      "shape": "I-girder",
      "material": "",
      "count": 1,
      "note": "Sectioned beam profile shown at midpoint."
    },
    {
      "name": "prestressing strand indications",
      "tag": "",
      "shape": "circular",
      "material": "",
      "count": 37,
      "note": "Black dots indicate prestressing strands; 35 are visible in the bottom flange and 2 near the top flange."
    }
  ],
  "measurements": [
    {
      "label": "overall top width",
      "value": "1'-4\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "dimension",
      "value": "550",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "horizontal dimension",
      "value": "7\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "left vertical dimension",
      "value": "2½\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "web horizontal dimension",
      "value": "7\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "web-to-edge horizontal dimension",
      "value": "4½\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "web horizontal dimension",
      "value": "7½\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "vertical dimension",
      "value": "7\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "vertical dimension",
      "value": "4½\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "vertical dimension",
      "value": "1'-7\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "overall depth",
      "value": "3'-9\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "bottom vertical dimension",
      "value": "7½\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "bottom vertical dimension",
      "value": "7\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "bottom width",
      "value": "1'-10\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "edge dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "bottom flange"
    },
    {
      "label": "strand spacing",
      "value": "9 SPACES AT 2\"",
      "unit": "",
      "appliesTo": "prestressing strand indications"
    },
    {
      "label": "edge dimension",
      "value": "2\"",
      "unit": "",
      "appliesTo": "bottom flange"
    },
    {
      "label": "centerline dimension",
      "value": "1⅝\"",
      "unit": "",
      "appliesTo": "beam"
    },
    {
      "label": "partial callout",
      "value": "2\"",
      "unit": "",
      "appliesTo": ""
    },
    {
      "label": "partial callout",
      "value": "350",
      "unit": "",
      "appliesTo": ""
    }
  ],
  "notes": [
    "MAINTAIN 1” MINIMUM CLEARANCE UN…",
    "• INDICATES 1/2” DIAMETER PRESTRES…"
  ],
  "labels": [
    "CL.",
    "SECTION AT MIDPOINT",
    "8-45I…",
    "1½” C…"
  ],
  "description": "This crop shows a cross section through the midpoint of an I-shaped prestressed beam. It documents the beam profile, flange and web dimensions, and the visible layout of prestressing strand indications; adjacent callouts at the right edge are cropped and partial."
}