the following links for Blocks that you should used it on your DWG file import them to you file and start drop and drag very easy:
download all Blocks one dwg File download all Blocks separate dwg Filesdownload This template file to start new project DWG
download start Template DWG Filedownload Template Layers file and import it to your already project still work on it or you work it before
download Template Layers FileDownload the texture archive to C:/allTexture so project textures can be displayed.
download Texture Files