diff --git a/Building/ddl/mechanical_turk_generate_schema.sql b/Building/ddl/mechanical_turk_generate_schema.sql
index ecb6691ced7d0311b437bd125b7e6176d03db271..d7be21cec4bca8a3cbeb7c4b2af585b428788040 100644
--- a/Building/ddl/mechanical_turk_generate_schema.sql
+++ b/Building/ddl/mechanical_turk_generate_schema.sql
@@ -12,7 +12,7 @@ ALTER DEFAULT PRIVILEGES IN SCHEMA mechanical_turk
     TO "RW_users" WITH GRANT OPTION;
 
 ALTER DEFAULT PRIVILEGES IN SCHEMA mechanical_turk
-    GRANT INSERT, SELECT, UPDATE ON TABLES
+    GRANT INSERT, DELETE, SELECT, UPDATE ON TABLES
     TO "building_service";
 
 ALTER DEFAULT PRIVILEGES IN SCHEMA mechanical_turk
@@ -132,3 +132,163 @@ select 'Rejected';
 
 select count(*) from mechanical_turk.hit_status
 
+
+
+
+
+-- table: mechanical_turk.feature
+
+drop table if exists mechanical_turk.feature cascade;
+
+create table mechanical_turk.feature
+(
+  id serial not null,
+  description character varying(15),
+  constraint feature_pkey primary key (id)
+)
+with (
+  oids=false
+);
+
+--populate feature_table
+
+insert into  mechanical_turk.feature(description)
+select 'Door';
+
+insert into  mechanical_turk.feature(description)
+select 'Window';
+
+insert into  mechanical_turk.feature(description)
+select 'Building Point';
+
+insert into  mechanical_turk.feature(description)
+select 'Roof Point';
+
+-- Table: mechanical_turk.unapproved_point
+
+DROP TABLE if exists mechanical_turk.unapproved_point cascade;
+
+CREATE TABLE mechanical_turk.unapproved_point
+(
+  id serial NOT NULL,
+  latitude float,
+  longitude float,
+  elevation integer,
+  corresponding_height smallint,
+  feature smallint,
+  hit_id integer,
+  building_id integer,
+  CONSTRAINT unapproved_point_pkey PRIMARY KEY (id),
+  CONSTRAINT unapproved_point_feature_fkey FOREIGN KEY (feature)
+      REFERENCES mechanical_turk.feature (id) MATCH SIMPLE
+      ON UPDATE NO ACTION ON DELETE NO ACTION,
+  CONSTRAINT unapproved_point_hit_id_fkey FOREIGN KEY (hit_id)
+      REFERENCES mechanical_turk.hit (id) MATCH SIMPLE
+      ON UPDATE NO ACTION ON DELETE NO ACTION
+)
+WITH (
+  OIDS=FALSE
+);
+
+-- table: mechanical_turk.direction
+
+drop table if exists mechanical_turk.direction cascade;
+
+create table mechanical_turk.direction
+(
+  id serial not null,
+  description character varying(15),
+  constraint direction_pkey primary key (id)
+)
+with (
+  oids=false
+);
+
+--populate direction_table
+
+insert into  mechanical_turk.direction(description)
+select 'South/Front';
+
+insert into  mechanical_turk.direction(description)
+select 'East/Right';
+
+insert into  mechanical_turk.direction(description)
+select 'West/Left';
+
+insert into  mechanical_turk.direction(description)
+select 'North/Back';
+
+-- Table: mechanical_turk.unapproved_window_door
+
+DROP TABLE if exists mechanical_turk.unapproved_window_door cascade;
+
+CREATE TABLE mechanical_turk.unapproved_window_door
+(
+  id serial NOT NULL,
+  height float,
+  width float,
+  quantity smallint,
+  orientation smallint,
+  direction smallint,
+  feature smallint,
+  hit_id integer,
+  building_id integer,
+  CONSTRAINT unapproved_window_door_pkey PRIMARY KEY (id),
+  CONSTRAINT unapproved_window_door_orientation_fkey FOREIGN KEY (orientation)
+      REFERENCES mechanical_turk.direction (id) MATCH SIMPLE
+      ON UPDATE NO ACTION ON DELETE NO ACTION,
+  CONSTRAINT unapproved_window_door_direction_fkey FOREIGN KEY (direction)
+      REFERENCES mechanical_turk.direction (id) MATCH SIMPLE
+      ON UPDATE NO ACTION ON DELETE NO ACTION,
+  CONSTRAINT unapproved_window_door_feature_fkey FOREIGN KEY (feature)
+      REFERENCES mechanical_turk.feature (id) MATCH SIMPLE
+      ON UPDATE NO ACTION ON DELETE NO ACTION,
+  CONSTRAINT unapproved_window_door_hit_id_fkey FOREIGN KEY (hit_id)
+      REFERENCES mechanical_turk.hit (id) MATCH SIMPLE
+      ON UPDATE NO ACTION ON DELETE NO ACTION
+)
+WITH (
+  OIDS=FALSE
+);
+
+-- Table: mechanical_turk.unapproved_building_dimensions
+
+DROP TABLE if exists mechanical_turk.unapproved_building_dimensions cascade;
+
+CREATE TABLE mechanical_turk.unapproved_building_dimensions
+(
+  id serial NOT NULL,
+  perimeter float,
+  area float,
+  num_floors smallint,
+  ground_elevation smallint,
+  hit_id integer,
+  building_id integer,
+  north_adjacency float,
+  south_adjacency float,
+  west_adjacency float,
+  east_adjacency float,
+  CONSTRAINT unapproved_building_dimensions_pkey PRIMARY KEY (id),
+  CONSTRAINT unapproved_building_dimensions_hit_id_fkey FOREIGN KEY (hit_id)
+      REFERENCES mechanical_turk.hit (id) MATCH SIMPLE
+      ON UPDATE NO ACTION ON DELETE NO ACTION
+)
+WITH (
+  OIDS=FALSE
+);
+
+-- Function: mechanical_turk.delete_unapproved_dimensions(integer)
+DROP FUNCTION IF EXISTS mechanical_turk.delete_unapproved_dimensions(integer);
+
+CREATE OR REPLACE FUNCTION mechanical_turk.delete_unapproved_dimensions(IN in_hit_id integer)
+  RETURNS smallint as 
+$BODY$
+
+BEGIN
+DELETE FROM mechanical_turk.unapproved_point WHERE mechanical_turk.unapproved_point.hit_id = in_hit_id;
+DELETE FROM mechanical_turk.unapproved_window_door WHERE mechanical_turk.unapproved_window_door.hit_id = in_hit_id;
+DELETE FROM mechanical_turk.unapproved_building_dimensions WHERE mechanical_turk.unapproved_building_dimensions.hit_id = in_hit_id;
+RETURN in_hit_id;
+END;
+$BODY$
+  LANGUAGE plpgsql VOLATILE;