diff --git a/app/models/proposal.rb b/app/models/proposal.rb
new file mode 100644
index 000000000..2cf86115d
--- /dev/null
+++ b/app/models/proposal.rb
@@ -0,0 +1,57 @@
+class Proposal < ActiveRecord::Base
+  apply_simple_captcha
+
+  belongs_to :author, -> { with_hidden }, class_name: 'User', foreign_key: 'author_id'
+  has_many :comments, as: :commentable
+  has_many :flags, as: :flaggable
+
+  validates :title, presence: true
+  validates :description, presence: true
+  validates :author, presence: true
+  validates :question, presence: true
+
+  validate :validate_title_length
+  validate :validate_description_length
+
+  validates :terms_of_service, acceptance: { allow_nil: false }, on: :create
+
+  before_validation :sanitize_description
+  before_validation :sanitize_tag_list
+
+  def self.title_max_length
+    @@title_max_length ||= self.columns.find { |c| c.name == 'title' }.limit || 80
+  end
+
+  def self.description_max_length
+    6000
+  end
+
+  protected
+
+    def sanitize_description
+      self.description = WYSIWYGSanitizer.new.sanitize(description)
+    end
+
+    def sanitize_tag_list
+      self.tag_list = TagSanitizer.new.sanitize_tag_list(self.tag_list)
+    end
+
+  private
+
+    def validate_description_length
+      validator = ActiveModel::Validations::LengthValidator.new(
+        attributes: :description,
+        minimum: 10,
+        maximum: Proposal.description_max_length)
+      validator.validate(self)
+    end
+
+    def validate_title_length
+      validator = ActiveModel::Validations::LengthValidator.new(
+        attributes: :title,
+        minimum: 4,
+        maximum: Proposal.title_max_length)
+      validator.validate(self)
+    end
+
+end
diff --git a/db/migrate/20150911171301_create_proposal.rb b/db/migrate/20150911171301_create_proposal.rb
new file mode 100644
index 000000000..37dd1bb85
--- /dev/null
+++ b/db/migrate/20150911171301_create_proposal.rb
@@ -0,0 +1,22 @@
+class CreateProposal < ActiveRecord::Migration
+  def change
+    create_table :proposals do |t|
+      t.string   "title", limit: 80
+      t.text     "description"
+      t.string   "question"
+      t.string   "external_url"
+      t.integer  "author_id"
+      t.datetime "hidden_at"
+      t.integer  "flags_count",      default: 0
+      t.datetime "ignored_flag_at"
+      t.integer  "cached_votes_up",  default: 0
+      t.integer  "comments_count",   default: 0
+      t.datetime "confirmed_hide_at"
+      t.integer  "hot_score",        limit: 8, default: 0
+      t.integer  "confidence_score", default: 0
+
+      t.datetime "created_at", null: false
+      t.datetime "updated_at", null: false
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index fde03fe30..fa0b2c62d 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150910152734) do
+ActiveRecord::Schema.define(version: 20150911171301) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -165,7 +165,7 @@ ActiveRecord::Schema.define(version: 20150910152734) do
   create_table "locks", force: :cascade do |t|
     t.integer  "user_id"
     t.integer  "tries",        default: 0
-    t.datetime "locked_until", default: '2015-09-10 13:46:11', null: false
+    t.datetime "locked_until", default: '2015-09-11 17:24:30', null: false
     t.datetime "created_at",                                   null: false
     t.datetime "updated_at",                                   null: false
   end
@@ -187,6 +187,24 @@ ActiveRecord::Schema.define(version: 20150910152734) do
 
   add_index "organizations", ["user_id"], name: "index_organizations_on_user_id", using: :btree
 
+  create_table "proposals", force: :cascade do |t|
+    t.string   "title",             limit: 80
+    t.text     "description"
+    t.string   "question"
+    t.string   "external_url"
+    t.integer  "author_id"
+    t.datetime "hidden_at"
+    t.integer  "flags_count",                  default: 0
+    t.datetime "ignored_flag_at"
+    t.integer  "cached_votes_up",              default: 0
+    t.integer  "comments_count",               default: 0
+    t.datetime "confirmed_hide_at"
+    t.integer  "hot_score",         limit: 8,  default: 0
+    t.integer  "confidence_score",             default: 0
+    t.datetime "created_at",                               null: false
+    t.datetime "updated_at",                               null: false
+  end
+
   create_table "settings", force: :cascade do |t|
     t.string "key"
     t.string "value"
@@ -246,7 +264,7 @@ ActiveRecord::Schema.define(version: 20150910152734) do
     t.integer  "official_level",                      default: 0
     t.datetime "hidden_at"
     t.string   "sms_confirmation_code"
-    t.string   "username",                     limit: 60
+    t.string   "username",                 limit: 60
     t.string   "document_number"
     t.string   "document_type"
     t.datetime "residence_verified_at"