sierra dry lg

Sierra Dry Restroom

The Sierra Double Dry Model is an economical double vault restroom building that is ADA compliant. It is ideal for remote locations, measuring 12’ 6” x 18’ 6”. This model is delivered fully-assembled. The Sierra Dry comes with the FAN (fresh air naturally) ventilation technology. The FAN system uses the wind and sun to vent the restroom’s air. This restroom also features opaque windows for locations without electricity. It comes with a small storage area in the center of the building, where additional lighting can be placed to illuminate the restrooms through the opaque windows. The Sierra has a wide variety of aesthetic choices, enabling it to easily blend with any surrounding. The split-level Outback style roof comes standard with a Cedar Shake finish, but other finishes can be specified. The Sierra Double Restroom Model also boasts a variety of finish and color choices. This model comes standard with stainless steel fixtures, but other fixture options can be specified to meet your budgetary needs.

Specifications Summary

  • Meets IBC-2009, ASCE/SEI 7-05, ACI 318-08, AISC Steel Construction Manual 13th Edition, CRI Manual of Standard Practices, PCI Design Handbook 6th edition requirements
  • Roof load capacity: 350 psf (standard: 250 psf )
  • Wind load: 130 mph (standard)
  • Floor load: 250 psf, 5,000 psi steel-reinforced precast panels with welded connections. (standard: bolted connections)
  • Bullet tested to UL-752, Level 5
  • 18-gauge galvanized steel insulated doors, tamper-proof hinges, dead-bolt lock, door stop and holder
  • Lifetime roof: post-tensioned by a single continuous tendon creating radial compression in the roof. No coating required
  • Connected to city water and sewer
  • Meets and exceeds US Forest Service Specifications
  • ADA Compliant

Standard Fixtures by Murdock

Murdock Super Secure Fixtures in 304 Stainless Steel:

murdock logo
easiset restroom fixtures 1
easiset restroom fixtures 2
  • Model 1008-R Toilets riser with seat

  • Model 1104 ADA mirror

  • Model 1107B Entrance sign with braille

  • Model 1113-PL Tissue dispensers with brass padlocks

  • Model 1135 2 sided grab bar

  • FAN (Fresh Air Naturally) ventilation system

About Murdock


  • No Foundation Required
  • Lower Installation Costs
  • Lower Maintenance Costs
  • Weather-tight Construction
  • Standard Roof Heights
  • Meets AII Current Building Codes
  • Heavy Duty Walls and Floors


  • Rugged: Patented post-tensioned technology withstands all weather, temperature, impact and seismic requirements.
  • Weather-tight: Roof and Floor design provides industry leading water-tight construction.
  • Maintenance Free: Will not rust, warp, corrode, rot, or burn while retaining exterior appearance without any additional maintenance.


  • Prefabricated: Tightly controlled manufacturing standards, transported to site preassembled.
  • Maintains structural integrity during shipping and installation using proven precast technology
  • Simple Installations: Usually completed in only 1 day
  • No Foundations Required: Just a simple level, compacted crushed stone base
  • Protected against freeze-thaw cycles