{
  "overlays": {
    "enabled": true,
    "attribution": "Overlays &copy; <a href=\"https://znsdi.szi.gov.zm/\">Zambia NSDI</a>",
    "source": "https://znsdi.szi.gov.zm/",
    "groups": [
      {
        "name": "Infrastructure",
        "layers": [
          {
            "key": "roads",
            "label": "Roads & rail",
            "opacity": 0.85
          },
          {
            "key": "power",
            "label": "Transmission",
            "opacity": 0.9
          }
        ]
      },
      {
        "name": "Risk",
        "layers": [
          {
            "key": "flood100",
            "label": "Flood, 1-in-100 yr",
            "opacity": 0.55
          },
          {
            "key": "flood20",
            "label": "Flood, 1-in-20 yr",
            "opacity": 0.55
          },
          {
            "key": "drought",
            "label": "Drought 2025",
            "opacity": 0.5
          }
        ]
      },
      {
        "name": "Land",
        "layers": [
          {
            "key": "farmblocks",
            "label": "Farm blocks",
            "opacity": 0.6
          },
          {
            "key": "mining",
            "label": "Mining cadastre",
            "opacity": 0.6
          },
          {
            "key": "protected",
            "label": "Parks & reserves",
            "opacity": 0.5
          }
        ]
      },
      {
        "name": "Planning",
        "layers": [
          {
            "key": "growth",
            "label": "Lusaka growth 2035",
            "opacity": 0.6
          },
          {
            "key": "brt",
            "label": "Proposed BRT",
            "opacity": 0.9
          }
        ]
      },
      {
        "name": "Administrative",
        "layers": [
          {
            "key": "districts",
            "label": "District boundaries",
            "opacity": 0.7
          },
          {
            "key": "wards",
            "label": "Wards",
            "opacity": 0.6
          }
        ]
      }
    ]
  },
  "criteria": [
    {
      "key": "protected",
      "label": "Protected and reserved land",
      "independent": true,
      "informational": false,
      "consequence": "Land inside a game management area requires, in addition to the chief and the local authority, the approval of the Director of National Parks and Wildlife (Lands Act 1995 s.8(2)). A national park or forest reserve is a harder bar again.",
      "znsdi_layers": [
        "National_parks",
        "Forest_reserves",
        "gma",
        "Ramsar"
      ],
      "second_source": "OpenStreetMap"
    },
    {
      "key": "flood",
      "label": "Flood exposure",
      "independent": false,
      "informational": false,
      "consequence": "A return-period floodplain is a design and insurability constraint, not an automatic exclusion, but it is single-sourced here and warrants its own check.",
      "znsdi_layers": [
        "FLOOD 100 Years",
        "FLOOD 20 Years"
      ],
      "second_source": null
    },
    {
      "key": "mining",
      "label": "Mining tenements",
      "independent": false,
      "informational": false,
      "consequence": "A live tenement means a competing statutory right over the same ground and a holder who must be dealt with directly.",
      "znsdi_layers": [
        "MiningCadastre",
        "MiningLicences"
      ],
      "second_source": null
    },
    {
      "key": "farmland",
      "label": "Designated farm land",
      "independent": false,
      "informational": false,
      "consequence": "Designated farm land is already allocated to an agricultural purpose and is administered on a separate track from ordinary customary conversion.",
      "znsdi_layers": [
        "farm_blocks",
        "FarmLand"
      ],
      "second_source": null
    },
    {
      "key": "administrative",
      "label": "Administrative attribution",
      "independent": false,
      "informational": true,
      "consequence": "District determines which council and which chief must consent. The geoportal and OpenStreetMap share a lineage, so agreement between those two is not corroboration — read the COD-AB source for the independent opinion.",
      "znsdi_layers": [
        "Districts",
        "Zambia_Wards"
      ],
      "second_source": "OpenStreetMap"
    }
  ]
}