with Plumbing and heating contractor Richard Trethewey | thisoldhouse.com | from How to Replace a Shower Pan
Make the Most of Your Small Bathroom in 7 Steps - The Ana Mum Diary
DIY Walk-In Shower: Step 3- Prep For Tile - DIYdiva
This illustration shows the basics of how to build a shower pan.
A Victoria Plumb family bath and shower room at a refurbishment project in Wraysbury. All installed by Bathroom Connections - thanks for sending us these! #bathroom #makeover
How to waterproof and tile walk-in tile shower DIY- step by step instructions - part "1" of 2 - YouTube
Waterproofing a wet room/shower with necessary system components. Seems useful since I like showers rather than baths, though love clawfoot tubs.
back to wall pan and built in basin
http://www.rvmaintenanceoptions.com/rvshowerpans.php has some information on shopping for a new shower pan for a RV.
Build your own concrete shower pan -- it isn't nearly as hard as you might think!