# 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?](https://burningman.org/event/participate/camps/so-you-want-to-camp-at-burning-man/deliveries/outside-services-program/)).

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**

<table border="1" id="bkmrk-item-oss%2Bportos-oss%2B" style="border-collapse: collapse; width: 100%;"><colgroup><col style="width: 20.0226%;"></col><col style="width: 13.5868%;"></col><col style="width: 12.9909%;"></col><col style="width: 12.6333%;"></col><col style="width: 12.6351%;"></col><col style="width: 28.2445%;"></col></colgroup><thead><tr><td class="align-center">**Item**</td><td class="align-center">**OSS+Portos**</td><td class="align-center">**OSS+Ecozoic**</td><td class="align-center">**Gayflower**</td><td class="align-center">**Water Only**</td><td class="align-center">**Notes**</td></tr></thead><tbody><tr><td>Potable Tank 1000gal</td><td class="align-right">1500</td><td class="align-right">1500</td><td class="align-right">0</td><td class="align-right">0</td><td>SSS price incl pump and hose</td></tr><tr><td>First Fill 1000gal</td><td class="align-right">1000</td><td class="align-right">1000</td><td class="align-right">0</td><td class="align-right">0</td><td>SSS price $1 first fill</td></tr><tr><td>Addl Fill 1300gal</td><td class="align-right">2275</td><td class="align-right">2275</td><td class="align-right">0</td><td class="align-right">0</td><td>SSS price $1.75 each addl gal</td></tr><tr><td>Grey Tank Rental 250gal</td><td class="align-right">400</td><td class="align-right">400</td><td class="align-right">0</td><td class="align-right">0</td><td>SSS tank rental only</td></tr><tr><td>Grey Water Pump 2300gal</td><td class="align-right">4600</td><td class="align-right">4600</td><td class="align-right">0</td><td class="align-right">0</td><td>SSS price per gallon</td></tr><tr><td>Gerlach Water Fill</td><td class="align-right">0</td><td class="align-right">0</td><td class="align-right">1495</td><td class="align-right">1495</td><td>Gerlach 2025 price 0.65</td></tr><tr><td>Portopotty Rental (2)</td><td class="align-right">2082</td><td class="align-right">9211</td><td class="align-right">0</td><td class="align-right">9211</td><td>United Site price for porto  
Ecozoic prices based on 2024</td></tr><tr><td>Trailer storage Empire</td><td class="align-right">0</td><td class="align-right">0</td><td class="align-right">1200</td><td class="align-right">1200</td><td>Empire Storage and Rental (Temen probably similer)</td></tr><tr><td>Annual trailer DOT inspection</td><td class="align-right">0</td><td class="align-right">0</td><td class="align-right">250</td><td class="align-right">250</td><td>  
</td></tr><tr><td>Round trip OSS delivery</td><td class="align-right">0</td><td class="align-right">0</td><td class="align-right">1350</td><td class="align-right">1350</td><td>  
</td></tr><tr><td>BMORG OSS Fees</td><td class="align-right">0</td><td class="align-right">0</td><td class="align-right">275</td><td class="align-right">275</td><td>  
</td></tr><tr><td>**Total**</td><td class="align-right">**11857**</td><td class="align-right">**18986**</td><td class="align-right">**4570**</td><td class="align-right">**13781**</td><td>  
</td></tr><tr><td>  
</td><td>  
</td><td>  
</td><td>  
</td><td>  
</td><td>  
</td></tr><tr><td>savings over ecozoic</td><td class="align-right">  
</td><td class="align-right">  
</td><td class="align-right">**14,416**</td><td class="align-right">**5,205**</td><td>  
</td></tr></tbody></table>

#### **Build Costs (est)**

<table border="1" id="bkmrk-item-gayflower-water" style="border-collapse: collapse; width: 100%;"><colgroup><col style="width: 27.1752%;"></col><col style="width: 17.2825%;"></col><col style="width: 17.2825%;"></col><col style="width: 38.379%;"></col></colgroup><thead><tr><td class="align-center">**Item**</td><td class="align-center">**Gayflower**</td><td class="align-center">**Water Only**</td><td class="align-center">**Notes**</td></tr></thead><tbody><tr><td>53ft x 102in Dry Van Trailer, Used, Nevada</td><td class="align-right">16000</td><td class="align-right">0</td><td>Price est based on TruckPaper completed auctions</td></tr><tr><td>53ft x 102in Flatbed, Used, Nevada</td><td class="align-right">0</td><td class="align-right">8000</td><td> </td></tr><tr><td>7 IBC Totes, 330, new, delivered Empire (Fresh Water)</td><td class="align-right">4000</td><td class="align-right">4000</td><td>Cary Company</td></tr><tr><td>7 IBC Totes, 330, used (Grey Water), pickup Reno</td><td class="align-right">0</td><td class="align-right">1050</td><td>Nevada Container Supply</td></tr><tr><td>10 Grey Water Tanks, 250 gal each</td><td class="align-right">5790</td><td class="align-right">0</td><td>PolyJohn HT01-0250 at Webstaurantstore</td></tr><tr><td>Fresh Water Hoses and Connectors</td><td class="align-right">2000</td><td class="align-right">2000</td><td> </td></tr><tr><td>Grey Water Hoses and Connectors</td><td class="align-right">2000</td><td class="align-right">2000</td><td> </td></tr><tr><td>Pumps</td><td class="align-right">340</td><td class="align-right">340</td><td>Harbor Freight DRUMMOND 1 HP Stainless Steel Shallow Well Pump plus backup</td></tr><tr><td>Steel hardware and welding</td><td class="align-right">10000</td><td class="align-right">2500</td><td> </td></tr><tr><td>Floor decking</td><td class="align-right">5000</td><td class="align-right">0</td><td> </td></tr><tr><td>Dry Van modifications for doors and utility access</td><td class="align-right">8000</td><td class="align-right">0</td><td>  
</td></tr><tr><td>Interior framing</td><td class="align-right">5000</td><td class="align-right">0</td><td> </td></tr><tr><td>Macerating RV toilets</td><td class="align-right">3000</td><td class="align-right">0</td><td>(two)</td></tr><tr><td>Waterless urinals</td><td class="align-right">600</td><td class="align-right">0</td><td>(two)</td></tr><tr><td>Interior Plumbing Parts</td><td class="align-right">3000</td><td class="align-right">0</td><td>  
</td></tr><tr><td>Sinks, faucets, vanity</td><td class="align-right">3000</td><td class="align-right">0</td><td>  
</td></tr><tr><td>Shower enclosures, shower heads</td><td class="align-right">2500</td><td class="align-right">0</td><td>(two)</td></tr><tr><td>Pond liner secondary containment</td><td class="align-right">3000</td><td class="align-right">3000</td><td>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.</td></tr><tr><td>Lighting and electric</td><td class="align-right">4000</td><td class="align-right">0</td><td>  
</td></tr><tr><td>Parts, not including labor</td><td class="align-right">77230</td><td class="align-right">22890</td><td>  
</td></tr><tr><td>Labor</td><td class="align-right">50000</td><td class="align-right">10000</td><td>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?</td></tr><tr><td>Parts, including labor</td><td class="align-right">127230</td><td class="align-right">32890</td><td>  
</td></tr><tr><td>years to amortize</td><td class="align-right">9</td><td class="align-right">6.3</td><td>  
</td></tr></tbody></table>