diff --git a/data_collection/gazette/spiders/base/portalgov.py b/data_collection/gazette/spiders/base/portalgov.py
new file mode 100644
index 000000000..5df8b39b8
--- /dev/null
+++ b/data_collection/gazette/spiders/base/portalgov.py
@@ -0,0 +1,46 @@
+import re
+from datetime import datetime as dt
+
+import scrapy
+
+from gazette.items import Gazette
+from gazette.spiders.base import BaseGazetteSpider
+
+
+class BasePortalGovSpider(BaseGazetteSpider):
+    power = "executive"
+
+    def start_requests(self):
+        yield scrapy.FormRequest(
+            url=f"https://{self.domain}/controllers/diario_oficial/class_diario.php",
+            formdata={
+                "func": "5",
+                "param": "1",
+            },
+        )
+
+    def parse(self, response):
+        for gazette_data in response.json():
+            raw_gazette_date = gazette_data["data"]
+            gazette_date = dt.strptime(raw_gazette_date, "%d/%m/%Y").date()
+            if gazette_date > self.end_date:
+                continue
+            if gazette_date < self.start_date:
+                return
+
+            gazette_desc = gazette_data["descricao"]
+            gazette_edition = gazette_data["numero"]
+            gazette_edition_number = re.search(r"\d+", gazette_edition).group(0)
+            is_extra_edition = bool(
+                re.search(r"extra|supl", gazette_edition + gazette_desc, re.IGNORECASE)
+            )
+
+            gazette_url = f"https://{self.domain}/arquivos/diario_oficial/{gazette_data['arquivo']}"
+
+            yield Gazette(
+                date=gazette_date,
+                edition_number=gazette_edition_number,
+                file_urls=[gazette_url],
+                is_extra_edition=is_extra_edition,
+                power=self.power,
+            )
diff --git a/data_collection/gazette/spiders/rj/rj_sao_joao_da_barra.py b/data_collection/gazette/spiders/rj/rj_sao_joao_da_barra.py
new file mode 100644
index 000000000..015af5d2e
--- /dev/null
+++ b/data_collection/gazette/spiders/rj/rj_sao_joao_da_barra.py
@@ -0,0 +1,11 @@
+from datetime import date
+
+from gazette.spiders.base.portalgov import BasePortalGovSpider
+
+
+class RjSaoJoaoDaBarraSpider(BasePortalGovSpider):
+    name = "rj_sao_joao_da_barra"
+    TERRITORY_ID = "3305000"
+    allowed_domains = ["sjb.rj.gov.br"]
+    start_date = date(2013, 7, 15)
+    domain = "www.sjb.rj.gov.br"
diff --git a/data_collection/gazette/spiders/rj/rj_varre_sai.py b/data_collection/gazette/spiders/rj/rj_varre_sai.py
new file mode 100644
index 000000000..30108c39f
--- /dev/null
+++ b/data_collection/gazette/spiders/rj/rj_varre_sai.py
@@ -0,0 +1,12 @@
+from datetime import date
+
+from gazette.spiders.base.portalgov import BasePortalGovSpider
+
+
+class RjVarreSaiSpider(BasePortalGovSpider):
+    name = "rj_varre_sai"
+    TERRITORY_ID = "3306156"
+    allowed_domains = ["varresai.rj.gov.br"]
+    start_date = date(2019, 9, 21)
+    power = "executive_legislative"
+    domain = "varresai.rj.gov.br"