diff --git a/.gitmodules b/.gitmodules
index 90cc58d..c7c8c13 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "grist-accounting"]
 	path = grist-accounting
 	url = https://git.prettyhefty.com/Bill/grist-accounting.git
+[submodule "construction-schedule-review"]
+	path = construction-schedule-review
+	url = https://git.prettyhefty.com/Bill/construction-schedule-review.git
diff --git a/construction-schedule-review b/construction-schedule-review
new file mode 160000
index 0000000..8690c91
--- /dev/null
+++ b/construction-schedule-review
@@ -0,0 +1 @@
+Subproject commit 8690c91a2d9039b9212e7715884e51f4f515dd8f