{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T11:59:24Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-CL-1QGUE1W1VW",
    "type": "page",
    "country": "cl",
    "name": "ROBERTO PATRICIO SILVA RUIZ CONSTRUCTORA E.I.R.L: public contracts won without a rival in Chile",
    "url": "https://assay-systems.com/register/cl/uncontested/s/roberto-patricio-silva-ruiz-constructora-e-i-r-l/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 5,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 100,
        "unit": "percent",
        "display": "100%"
      },
      {
        "label": "without a competition",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 1,
        "unit": "count"
      }
    ],
    "text": [
      "ROBERTO PATRICIO SILVA RUIZ CONSTRUCTORA E.I.R.L won 5 of its 5 public contract awards in Chile without a rival from 2024-03-22 to 2024-09-16: 4 without a competition and 1 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF with 3."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2024-09-16",
          "Buyer": "SUBSECRETARIA DE SALUD PUBLICA CL-51242755",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/subsecretaria-de-salud-publica/",
          "How": "No competition direct",
          "Stated reason": "—"
        },
        {
          "Date": "2024-08-28",
          "Buyer": "SUBSECRETARIA DE SALUD PUBLICA CL-51090295",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/subsecretaria-de-salud-publica/",
          "How": "No competition direct",
          "Stated reason": "—"
        },
        {
          "Date": "2024-08-01",
          "Buyer": "MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF CL-50966443",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/ministerio-de-obras-publicas-direc-cion-gral-de-oo-pp-dcyf/",
          "How": "No competition direct",
          "Stated reason": "—"
        },
        {
          "Date": "2024-07-23",
          "Buyer": "MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF CL-9337999",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/ministerio-de-obras-publicas-direc-cion-gral-de-oo-pp-dcyf/",
          "How": "Single bid Licitación Pública MOP (O1)",
          "Stated reason": "—"
        },
        {
          "Date": "2024-03-22",
          "Buyer": "MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF CL-50096959",
          "Buyer link": "https://assay-systems.com/register/cl/uncontested/b/ministerio-de-obras-publicas-direc-cion-gral-de-oo-pp-dcyf/",
          "How": "No competition direct",
          "Stated reason": "—"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Chile",
        "url": "https://assay-systems.com/register/cl/uncontested/"
      },
      {
        "name": "MINISTERIO DE OBRAS PUBLICAS DIREC CION GRAL DE OO PP DCYF",
        "url": "https://assay-systems.com/register/cl/uncontested/b/ministerio-de-obras-publicas-direc-cion-gral-de-oo-pp-dcyf/"
      },
      {
        "name": "SUBSECRETARIA DE SALUD PUBLICA",
        "url": "https://assay-systems.com/register/cl/uncontested/b/subsecretaria-de-salud-publica/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-CL-1QGUE1W1VW",
    "cite_as": "Assay Systems, \"ROBERTO PATRICIO SILVA RUIZ CONSTRUCTORA E.I.R.L: public contracts won without a rival in Chile\", https://assay-systems.com/register/cl/uncontested/s/roberto-patricio-silva-ruiz-constructora-e-i-r-l/"
  }
}