{
  "endpoint": "/ai/safety-signs/MV.json",
  "canonical_url": "https://www.safetysignonline.co.za/ai/safety-signs/MV.json",
  "source_page": "https://www.safetysignonline.co.za/pages/safety-signs-mv-json",
  {
  "schemaVersion": "sso-ai-safety-signs-mv-za-1.1",
  "endpoint": "/ai/safety-signs/MV.json",
  "language": "en-ZA",
  "jurisdiction": "South Africa",
  "series": {
    "seriesId": "MV",
    "seriesName": "Mandatory signs",
    "class": "Symbolic safety sign",
    "category": "mandatory",
    "primaryPurpose": "Indicates that a specific course of action shall be taken."
  },
  "authoritativeBasis": {
    "primarySource": {
      "standard": "SANS 1186-1:2022",
      "edition": "Edition 3.8",
      "publisher": "SABS",
      "scopeNote": "This file summarises category rules and general construction and design requirements applicable to Mandatory (MV) symbolic safety signs."
    },
    "evidence": [
      {
        "type": "definition",
        "clause": "3.6",
        "statement": "Mandatory (MV) sign, safety sign that indicates that a specific course of action shall be taken."
      },
      {
        "type": "definition",
        "clause": "3.12",
        "statement": "Safety sign (symbolic safety sign), uses colour and geometric shape and by adding a graphic symbol or text conveys a particular safety message, and may be accompanied by a supplementary sign where necessary."
      },
      {
        "type": "definition",
        "clause": "3.14",
        "statement": "Supplementary sign, sign with text used with a safety sign to provide additional information."
      },
      {
        "type": "safetyColourMeaning",
        "clause": "4.1.1, Table 1 and note 1",
        "statement": "Blue indicates mandatory action, and blue is considered a safety colour only if it is used in a circular shape."
      },
      {
        "type": "contrastColours",
        "clause": "4.1.2 and Table 2",
        "statement": "If a contrast colour is required for a safety colour, the corresponding contrast colour in Table 2 shall be used."
      },
      {
        "type": "geometricFormMeaning",
        "clause": "4.1.3 and Table 3",
        "statement": "The geometric form of a safety sign shall be as given in Table 3, and the circle form indicates prohibition or mandatory action."
      },
      {
        "type": "messageInTextAllowed",
        "clause": "4.2.3",
        "statement": "A message may also be displayed in written form, even though the sign is designed to convey its message on its own."
      },
      {
        "type": "replicaNotForReproduction",
        "clause": "4.2.4",
        "statement": "Replicas of signs in the standard are not for reproduction purposes."
      },
      {
        "type": "dimensionsBackingSheet",
        "clause": "4.3.1 and Table 5",
        "statement": "Overall dimensions of a sign shall be as given in Table 5."
      },
      {
        "type": "pictogramSizing",
        "clause": "4.3.2.1",
        "statement": "The height, width or diameter of the pictogram shall occupy between 75 percent and 90 percent of the corresponding backing sheet dimension."
      },
      {
        "type": "backingSheetMaterials",
        "clause": "4.4",
        "statement": "Except for decals, backing sheets for standard, retro-reflective and photoluminescent signs shall use specified materials with minimum thickness requirements."
      }
    ]
  },
  "designRules": {
    "safetyColours": {
      "tableReference": "Table 1, General meanings of safety colours",
      "mandatoryAction": {
        "safetyColour": "Blue",
        "meaningOrObjective": "Mandatory action",
        "exampleOfUse": "In a sign, to wear personal protective equipment.",
        "suitableSANS1091Colour": "S2565-R80B",
        "criticalNote": "Blue is considered a safety colour only if it is used in a circular shape."
      },
      "contextForOtherColours": {
        "red": {
          "meaningOrObjective": "Prohibition",
          "note": "Also used for fire prevention and fire fighting equipment and the location thereof."
        },
        "yellow": {
          "meaningOrObjective": "Warning, risk of danger"
        },
        "green": {
          "meaningOrObjective": "Information, safe condition"
        }
      }
    },
    "contrastColours": {
      "tableReference": "Table 2, Contrast colours",
      "rules": [
        { "safetyColour": "Red", "correspondingContrastColour": "White" },
        { "safetyColour": "Blue", "correspondingContrastColour": "White" },
        { "safetyColour": "Yellow", "correspondingContrastColour": "Black" },
        { "safetyColour": "Green", "correspondingContrastColour": "White" }
      ],
      "specialNote": "For self-luminous (radioluminescent) and photoluminescent safety signs, the standard includes a note allowing radioluminescent green or radioluminescent red and photoluminescent white respectively to be used instead of white, and swaps contrast rules for white and black accordingly."
    },
    "geometricFormAndMeaning": {
      "tableReference": "Table 3, Geometric form and meaning",
      "mandatorySigns": {
        "requiredForm": "Circle",
        "meaning": "Prohibition or mandatory action",
        "implementationNote": "Mandatory signs use the blue safety colour and a circular form to remain compliant with the standard’s definition of blue as a safety colour."
      },
      "contextOtherForms": {
        "triangle": "Warning",
        "squareOrRectangle": "Informative, fire fighting, informative general instructions"
      }
    },
    "messagePresentation": {
      "symbolicPrimary": true,
      "writtenFormPermitted": true,
      "rule": "The user may display the message to be conveyed in written form where required.",
      "replicaRestriction": "Standard replicas are not to be used for reproduction purposes."
    }
  },
  "constructionRules": {
    "supportedSignTypes": {
      "reference": "4.2.2",
      "types": [
        { "type": "standard" },
        { "type": "reflective" },
        { "type": "self-luminous", "referenceStandard": "SANS 1186-2" },
        { "type": "internallyIlluminated", "referenceStandard": "SANS 1186-3" },
        { "type": "retro-reflective", "referenceStandard": "SANS 1186-4" },
        { "type": "photoluminescent", "referenceStandard": "SANS 1186-5" }
      ],
      "note": "This MV file is category-level. Performance requirements for specialised sign types are covered in the referenced parts."
    },
    "dimensions": {
      "tableReference": "Table 5, Dimensions of signs",
      "backingSheetSizesMm": [
        { "height": 100, "width": 100, "toleranceMm": 2, "footnote": "This size shall be used for signs of type WW7 only." },
        { "height": 125, "width": 125, "toleranceMm": 2, "footnote": "This dimension is only applicable to signs covered by SANS 1186-2." },
        { "height": 150, "width": 150, "toleranceMm": 2 },
        { "height": 190, "width": 190, "toleranceMm": 2 },
        { "height": 290, "width": 290, "toleranceMm": 2 },
        { "height": 440, "width": 440, "toleranceMm": 2 },
        { "height": 880, "width": 880, "toleranceMm": 2 }
      ],
      "pictogramCoverageRule": {
        "reference": "4.3.2.1",
        "minPercentOfBackingDimension": 75,
        "maxPercentOfBackingDimension": 90,
        "note": "Applies to pictogram height, width or diameter relative to the corresponding backing sheet dimension."
      }
    },
    "backingSheetMaterials": {
      "reference": "4.4",
      "scope": "Standard, retro-reflective and photoluminescent signs, except decals",
      "materials": [
        {
          "material": "Aluminium sheet",
          "minimumThicknessMm": [
            { "maxSheetSizeMm": [440, 440], "minThickness": 0.90 },
            { "sheetSizeMm": [880, 880], "minThickness": 1.00 }
          ]
        },
        {
          "material": "Steel sheet",
          "minimumThicknessMm": [
            { "maxSheetSizeMm": [440, 440], "minThickness": 0.55 },
            { "sheetSizeMm": [880, 880], "minThickness": 0.55 }
          ]
        },
        {
          "material": "Acceptable plastics material",
          "minimumThicknessMm": 0.90,
          "requirements": [
            "Water and oil resistant",
            "Insensitive to thermal distortion at the highest environmental temperatures likely to be encountered"
          ]
        }
      ]
    }
  },
  "usageRules": {
    "whatItMeans": [
      "A Mandatory (MV) sign indicates a specific action that shall be taken."
    ],
    "howToUseInContext": [
      "Use at the point where the action is required.",
      "Use a supplementary sign where additional clarifying text is necessary."
    ],
    "supplementarySigns": {
      "allowed": true,
      "definition": "A supplementary sign is text used with a safety sign to provide additional information.",
      "whenToUse": [
        "When the required action needs clarification in words",
        "When site-specific instructions are necessary beyond the pictogram"
      ]
    },
    "avoidMisclassification": [
      "Do not use MV signs to indicate prohibitions, which are covered by PV signs and the red safety colour meaning.",
      "Do not use MV signs to indicate hazards, which are covered by WW signs and the yellow safety colour meaning."
    ]
  },
  "catalogueLayer": {
    "status": "to_be_populated_from_shopify",
    "purpose": "Connect the SANS category rules to your actual MV products and collections without reproducing standard replicas.",
    "rules": [
      "Do not embed copyrighted replicas from the standard.",
      "Reference your own product images and product URLs.",
      "Each catalogue item should map to one product or one approved internal sign code."
    ],
    "recommendedFieldsForEachMVSign": {
      "internalCode": "Example MVxx or your internal naming convention",
      "name": "Plain English sign name",
      "requiredAction": "The action that shall be taken",
      "pictogramType": "PPE or behaviour or procedure",
      "safetyColour": "Blue",
      "geometricForm": "Circle",
      "availableSizesMm": "Subset of Table 5 sizes that you actually sell for that sign",
      "materialsOfferedOnSite": "Chromadek or ABS or photoluminescent substrate if applicable",
      "productUrls": "Array of Shopify product URLs"
    },
    "signs": []
  },
  "links": {
    "parentIndex": "/ai/safety-signs.json",
    "relatedCategories": [
      "/ai/safety-signs/WW.json",
      "/ai/safety-signs/PV.json",
      "/ai/safety-signs/GA.json",
      "/ai/safety-signs/FB.json",
      "/ai/safety-signs/Photoluminescent.json"
    ],
    "humanGuidancePages": [
      "/pages/mandatory-signs-explained",
      "/pages/signs-explained-safety-signs"
    ]
  },
  "dataQuality": {
    "verifiedOnly": true,
    "scopeCompleteness": "Complete for MV category definition, colour and shape logic, contrast colour rules, allowable sign types, and dimensional and backing material requirements as stated in SANS 1186-1:2022.",
    "knownGaps": [
      "This file does not list every MV pictogram variant from the standard’s replica tables, because replicas are not for reproduction.",
      "Site catalogue mapping is intentionally left empty and must be populated from your Shopify inventory to remain factual."
    ],
    "plannedEnhancements": [
      "Populate catalogueLayer.signs from Shopify MV products and collections.",
      "Add SANS 1519 material performance requirements later, once included in your reference set."
    ]
  },
  "disclaimer": "This endpoint is a structured summary of SANS 1186-1:2022 requirements relevant to Mandatory (MV) symbolic safety signs. Always comply with the latest applicable standards and authority requirements for implementation."
}

}