--- a/schema/gemma.sql	Sat Oct 06 13:34:51 2018 +0200
+++ b/schema/gemma.sql	Mon Oct 08 13:04:30 2018 +0200
@@ -84,12 +84,17 @@
 CREATE TABLE catccls (
     catccl smallint PRIMARY KEY
     -- TODO: Do we need name and/or definition from IENC feature catalogue?
+    -- (see page 328 of edition 2.3)
 );
+INSERT INTO catccls VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11);
 
 CREATE TABLE dirimps (
     dirimp smallint PRIMARY KEY
     -- TODO: Do we need name and/or definition from IENC feature catalogue?
+    -- (see page 381 of edition 2.3)
 );
+INSERT INTO dirimps VALUES (1), (2), (3), (4);
+-- dirimp_5 left out because it cannot be used for waterway area
 
 CREATE TABLE depth_references (
     depth_reference varchar(4) PRIMARY KEY