IF EXISTS ( SELECT * 
            FROM   sysobjects 
            WHERE  id = object_id(N'[dbo].[sp_GetSurfaceData]') 
                   and OBJECTPROPERTY(id, N'IsProcedure') = 1 )
BEGIN
    DROP PROCEDURE [dbo].[sp_GetSurfaceData]
END

IF EXISTS ( SELECT * 
            FROM   sysobjects 
            WHERE  id = object_id(N'[dbo].[sp_GetSurfaceDataAll]') 
                   and OBJECTPROPERTY(id, N'IsProcedure') = 1 )
BEGIN
    DROP PROCEDURE [dbo].[sp_GetSurfaceDataAll]
END


IF EXISTS ( SELECT * 
            FROM   sysobjects 
            WHERE  id = object_id(N'[dbo].[sp_GetSurfaceItemData]') 
                   and OBJECTPROPERTY(id, N'IsProcedure') = 1 )
BEGIN
    DROP PROCEDURE [dbo].[sp_GetSurfaceItemData]
END


IF EXISTS ( SELECT * 
            FROM   sysobjects 
            WHERE  id = object_id(N'[dbo].[sp_GetSurfaceItemGridData]') 
                   and OBJECTPROPERTY(id, N'IsProcedure') = 1 )
BEGIN
    DROP PROCEDURE [dbo].[sp_GetSurfaceItemGridData]
END