2 HOUR FIRE-RATED

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The steel used to fabricate the FIREloc Model 2 HR Fire Rated Outdoor Storage Building is the highest grade American made steel and is free from rough edges, kinks and sharp bends.  Our manufacturing does not reduce the strength of the steel to a value less than intended by the UL design. Our manufacturing is done precisely and in a neat fashion and all bends are made by controlled means to ensure uniformity and strength.  Our welding procedures are in accordance with the American Welding Society and meet standards set forth by the ASTM, and all welds are sufficient in size and shape to accommodate UL listed wall designs.

Wall Design
Two (2) hour fire rated noncombustible weatherproof construction that meets or exceeds UL 263  & ASTM E-119, with multiple layers of UL Classified fire-resistant gypsum wallboard encased between exterior 12 gauge steel and interior heavy gauge Galvanneal sheet steel for maximum durability. Gypsum wallboard layers are offset with overlapping joints for maximum fire resistance. Conforms to NFPA 30 standards. Structure fabricated from 3” x 2” x 1/8” steel structural or mechanical tubing members placed on 24-inch on center.  Building perimeter shall have 6”x3”x3/16” steel tubing below and above wall studs.  The corner studs and doorframe opening studs shall be 3”x3”x3/16”.  Framework connected by welding.  Exterior sheets are connected to wall framework at each seam with a continuous weld.  All framing members shall be mechanical or structural tubing; formed channels or studs are not acceptable.



(Tubular Steel Stud Framework for the strongest possible structure.)

Roof
Two (2) hour fire rated Class A flame spread rating; wind uplift exceeds UL Rating I-60 and constructed of 2-hour fire rated weather proof noncombustible construction same as building walls.  Roof Structural System is fabricated from 3.5” x 3.5” x 1/8” structural steel or mechanical tubing.  Roof supports installed 24” inches on center.  Exterior roof sheets are continuously welded to roof supports at each seam. All framing members are mechanical or structural tubing; formed channels or studs are not acceptable. 12 gauge steel roof with multiple layers of UL Classified fire resistant gypsum wallboard lined with heavy gauge Galvanneal steel sheets. Meets or exceeds UL 263 & ASTM-E119. Roof sloped to facilitate rain run off and equipped with rain shield over door(s).


Floor System
Grating and Leak Proof Spill-Containment Sump Assembly is a  6” inch high assembly consisting of 1” inch deep welded steel floor grating over 6” inch deep leak proof secondary containment sump. Continuous steel floor grating throughout building, fabricated from welded steel grating with 1 x 3/16” bearing bars at 1 x 3/16” inches on center and crossbars at 4 inches on center.  Grating material is galvanized steel. Sump is fabricated utilizing continuously welded 10 gauge steel sheets for maximum spill containment.  Chemical-resistant epoxy coating is applied to secondary containment sump. Floor System is fabricated to comply with NAAMM MBG 531, “Metal Bar Grating Manual for Steel, Stainless Steel, and Aluminum Gratings and Stair Treads.”

Steel Grating is standard. Fiberglass is available and recommended for some corrosives and oxidizers.


Building Base
Open channel construction, underside coated with chemical resistant epoxy for maximum corrosion resistance. Forklift pockets and hold-down brackets for ease of off-loading and relocation.  Building base framing is capable of withstanding 1000 psf minimum.  The building base is constructed in this manner to ensure the forklifting, loading, transporting, offloading, and relocation do not affect this chemical storage building.  This is to ensure the door openings remain square after lifting the building multiple times with a crane or fork trucks. The building base assembly shall consist of the following materials: 6 x 4 x 3/16” rectangular tubing, Hold Down Brackets welded to building are ½” thick plate steel angles, Floor Channel C 4x5.4, Floor Channel C6x8.2, and 4 x 2 x 1/8” rectangular tubing

Static Grounding
One exterior grounding connection, one 10-foot long 5/8” diameter copper-clad steel grounding rod, one No. 4AWG copper conductor, and grounding lugs.

Ventilation
Gravity Flow (natural draft) Ventilation inlets, which are UL listed, supplied with 1-1/2 hour rated fire dampers with UL listed 165 degree fusible links.  Dampers include louvers and screens to provide airflow and have a galvanized steel frame and curtain type galvanized steel blades.

Paint
After an extensive cleaning process the interior and exterior surfaces are protected with a high performance 2-part epoxy base coat (primer) and a high finish modified urethane top coat providing proven interior chemical resistance as well as exterior abrasion, corrosion, UV resistance and exceptional durability. Standard Colors are: Bleached Bone, Dove Gray, Barber Green, Aztec Brown, and White.

 
Chemical Resistant Epoxy

Placards (Signs)
Permanent D.O.T. metal flip placard with rust proof aluminum holder and stainless steel clips on each door.  One (1) pressure sensitive NFPA 704 Hazard Rating sign on each door.



Approvals
All standard FIREloc Models have Factory Mutual (FM Global) Approval and Warnock Hersey Approval.  Third party and/or state approvals in all states are available.
        
Accessories

The most common accessories purchased with the FIREloc Model are the following:

Explosion Proof Incandescent Light Fixture(s) -  UL listed Class 1 Div 1 & 2 Groups C,D.  Class 2 Div 1 & 2 Groups E,F,G.  Class 3 Div 1 & 2. Use where moisture, dirt, dust, corrosion and vibration may be present.



STANDARD Electrical Load Center - UL Listed, Single-Phase, 3 Wire, 120/240V 100 A Load Center (NEMA 3R). Rainproof and Sleet- (Ice-) Resistant-Outdoor enclosures are intended for use outdoors to protect the enclosed equipment against rain and meet the requirements of Underwriters' Laboratories, Inc., Publication No. UL 508, applying to "Rainproof Enclosures."



Fire Rated Double Leaf Door Systems - UL classified and labeled, 1 1/2 hour fire-rated 60" double leaf steel door. Equipped with a UL listed self door closer, steel latch guard, surface slide bolt, positive pressure threshold, and an exterior UL listed keyed lock.

Dry Chemical Fire Suppression 21Lb Tank - UL, ULC Listed and FM Approved Pre-Engineered Dry Chemical Fire Suppression System for class A,B and C fires. Equipped with means for Remote Annunciation.  System Includes Fusible Link Detection for Automatic Actuation, Manual Pull Station, and Multiple Nozzles for Total Flooding Application.  Agent storage located on building exterior in weatherproof enclosure. KIDDE 21Lb Tank.  Audible Alarm included with system.



Mechanical Ventilation System (EP) With Fire Damper - Exhaust ventilation and fume removal system.  System shall be explosion proof for exterior wall mount.  System consists of UL listed totally enclosed explosion proof motor, 120VAC, 4.5amp, 60Hz, single phase, rated for Class 1 Group D, Division 1, Hazardous Locations and housed inside an exterior wall enclosure.  System shall have a non-static and non-sparking 12" diameter cast aluminum fan blade.  The exterior exhaust fan housing shall be constructed of heavy gauge steel, epoxy coated inside and out with an exterior polyurethane finish for maximum chemical and corrosion resistance.  The interior exhaust vent shall be located within 12" of the floor for the extraction of heavier than air vapors.  The exterior exhaust fan port opening shall be protected with a UL Classified fire damper having a three-hour fire protection rating.  Fire damper shall have a galvanized steel frame, curtain type galvanized steel blades and UL listed 165oF fusible link.  The exterior exhaust port shall be equipped with a shutter assembly.  The system shall be activated by an exterior, UL listed, fan switch.  The system shall be equipped with automatic system shut-down if fire occurs.   Mechanical vent is sized to allow for a minimum of 6 air changes per hour.



Heavy Duty Loading Ramps - Painted Safety yellow, hand rails available.

Other Accessories might include:

Explosion Proof Heating and Cooling
Refrigeration or Freezer Units
R11 and R 19 Insulationplacards
Sump Liner
EP Electrical Outlets
Exterior EP Lights
Liquid Level Detectors
Spill or Gas Monitors
Water Sprinkler Heading
Containment Shelving
Bulk Head fittings
Dispensing Ports
Fire Department Hook Up


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