--- project/project_old.inc	2009-01-11 21:14:24.328125000 -0800
+++ project/project.inc	2009-01-19 20:31:01.078125000 -0800
@@ -410,6 +410,12 @@ function project_project_delete($node) {
 
 function project_project_access($op, $node) {
   global $user;
+  
+  //return NULL if a node access module exists
+  $modules = module_implements('node_grants');
+  if (count($modules) > 0) {
+    return NULL;
+  }
 
   switch ($op) {
     case 'view':