Gayflower 2.0 Cost Estimates

This is an overview of the costs and benefits of using a single trailer for shower, toilets, fresh, and grey water as opposed to using OSS services ( what's OSS, you ask? ). 
 Assumption: 2300 gallons fresh water, 2300 gallons waste water (mostly grey), two toilets, 2025 OSS pricing. 
 Scenarios: 
 OSS + Portos - using OSS providers with portopotty rental OSS + Ecozoic - using OSS with Ecozoic toilets Gayflower - using the Gayflower Water Only  - using a water trailer for fresh and grey water; OSS for everything else 
 Annual Operating Costs 
 
 
 
 Item 
 OSS+Portos 
 OSS+Ecozoic 
 Gayflower 
 Water Only 
 Notes 
 
 
 
 
 Potable Tank 1000gal 
 1500 
 1500 
 0 
 0 
 SSS price incl pump and hose 
 
 
 First Fill 1000gal 
 1000 
 1000 
 0 
 0 
 SSS price $1 first fill 
 
 
 Addl Fill 1300gal 
 2275 
 2275 
 0 
 0 
 SSS price $1.75 each addl gal 
 
 
 Grey Tank Rental 250gal 
 400 
 400 
 0 
 0 
 SSS tank rental only 
 
 
 Grey Water Pump 2300gal 
 4600 
 4600 
 0 
 0 
 SSS price per gallon 
 
 
 Gerlach Water Fill 
 0 
 0 
 1495 
 1495 
 Gerlach 2025 price 0.65 
 
 
 Portopotty Rental (2) 
 2082 
 9211 
 0 
 9211 
 United Site price for porto Ecozoic prices based on 2024 
 
 
 Trailer storage Empire 
 0 
 0 
 1200 
 1200 
 Empire Storage and Rental (Temen probably similer) 
 
 
 Annual trailer DOT inspection 
 0 
 0 
 250 
 250 
 
 
 
 Round trip OSS delivery 
 0 
 0 
 1350 
 1350 
 
 
 
 BMORG OSS Fees 
 0 
 0 
 275 
 275 
 
 
 
 Total 
 11857 
 18986 
 4570 
 13781 
 
 
 
 
 
 
 
 
 
 
 
 savings over ecozoic 
 
 
 14,416 
 5,205 
 
 
 
 
 Build Costs (est) 
 
 
 
 Item 
 Gayflower 
 Water Only 
 Notes 
 
 
 
 
 53ft x 102in Dry Van Trailer, Used, Nevada 
 16000 
 0 
 Price est based on TruckPaper completed auctions 
 
 
 53ft x 102in Flatbed, Used, Nevada 
 0 
 8000 
   
 
 
 7 IBC Totes, 330, new, delivered Empire (Fresh Water) 
 4000 
 4000 
 Cary Company 
 
 
 7 IBC Totes, 330, used (Grey Water), pickup Reno 
 0 
 1050 
 Nevada Container Supply 
 
 
 10 Grey Water Tanks, 250 gal each 
 5790 
 0 
 PolyJohn HT01-0250 at Webstaurantstore 
 
 
 Fresh Water Hoses and Connectors 
 2000 
 2000 
   
 
 
 Grey Water Hoses and Connectors 
 2000 
 2000 
   
 
 
 Pumps 
 340 
 340 
 Harbor Freight DRUMMOND 1 HP Stainless Steel Shallow Well Pump plus backup 
 
 
 Steel hardware and welding 
 10000 
 2500 
   
 
 
 Floor decking 
 5000 
 0 
   
 
 
 Dry Van modifications for doors and utility access 
 8000 
 0 
 
 
 
 Interior framing 
 5000 
 0 
   
 
 
 Macerating RV toilets 
 3000 
 0 
 (two) 
 
 
 Waterless urinals 
 600 
 0 
 (two) 
 
 
 Interior Plumbing Parts 
 3000 
 0 
 
 
 
 Sinks, faucets, vanity 
 3000 
 0 
 
 
 
 Shower enclosures, shower heads 
 2500 
 0 
 (two) 
 
 
 Pond liner secondary containment 
 3000 
 3000 
 For gayflower, secondary containment is permanently built into trailer. For water only, secondary containment consists of external evap ponds that must be set up on playa. 
 
 
 Lighting and electric 
 4000 
 0 
 
 
 
 Parts, not including labor 
 77230 
 22890 
 
 
 
 Labor 
 50000 
 10000 
 how much of this can you get from your campers? How good are you at hiring and supervising construction workers? Where are you going to build it? 
 
 
 Parts, including labor 
 127230 
 32890 
 
 
 
 years to amortize 
 9 
 6.3