TORNADO/STORM SHELTER SPECIFICATION

GENERAL

PRODUCT DESIGN CATAGORY:

A. Prefabricated steel FEMA 320 / 361 Modular tornado shelter

B. Prefabricated steel FEMA 320 / 361 Fixed structure tornado shelter.

DESIGN STANDARDS/REFERENCES:

Shelter is designed, manufactured and installed in accordance with the following standards:
 

A. FEMA 320 "Taking Shelter From the Storm"

B. FEMA 361 Design and Construction for Community Safe Rooms

C. ICC 500 Standard for Design and Construction of Storm Shelters

D. American Welding Society (AWS)

E. ADA Accessibility Guidelines (ADAAG)

F. International Building Code (IBC)

G. American Society for Testing Materials (ASTM)

H. ANSI A117.1

I. HEI test/certification for debris impact/pressure per ICC 500 Standard and ASTM E 330.

J. Structural PE design approval

DESIGN AND PERFORMANCE REQUIREMENTS:

A. Tornado Shelter: Provide factory prefabricated shelters capable of withstanding the effects of an F5 tornado.

B. Tornado Shelter Design Loads:
1. Wind Load: 3-second gust of 250 mph (standard).
2. Debris impact 2”x4” and weight of 15-lb projectile at 100 mph.
3. Impact permanent deformation not greater than 3”.
4. Anchoring bolts at pull out point of 45,000- lb force.

C. Tornado Shelter Concrete Anchoring Criteria
1. Base anchoring points to be secured to a concrete pad / floor minimum design criteria 4” thick 4000 PSI reinforced concrete.

D. Base anchoring points are located by manufacturer and anchors to be in accordance with: ICC-ES ESR-1771, City of Los Angeles RR25705, and Florida Statewide Product Approval FL15731.

E. Shelters shall be handicapped accessible in accordance with ICC/ANSI A117.1 and other state and local requirements as applicable.

DELIVERABLES:

A. Product data: Manufacturer's data sheets on each product used, metals & finishes available upon request.

B. Preparation instructions and recommendations.

C. Handling requirements and recommendations.

D. Manufacture's installation instruction methods.

E. Shop drawings: Include plan views, sections, door details, and anchor detail.

F. Certificates: Product certificates signed by the testing agency or laboratory and material certifications as required.

G. Warranty documentation: Manufacture's standard warranty.

QUALITY ASSURANCE:

A. Supplier/Manufacturer qualifications: Companies must provide documentation and material certifications on all products and components in accordance with ISO 9001 standards.
B. A internal quality assurance program as described in the JBL Storm Shelter QC manual with periodic certification by a third party of adherence to the described process.

C. Prefabricated and sourced components: Material certifications and components must comply with manufacturer's indicated design loads and therein suitability for application. Also will be in accordance with state and local requirements as applicable.

D. Protect all components and accessories from corrosion, deformation, damage and deterioration when stored at job site. Keep materials free from dirt and foreign matter.

INSTALLATION CONDITIONS:

A. Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.

WARRANTY:
 

A. JBL Storm Shelters warranties (limited warranty) products to be free of defects in materials and workmanship from date of shipment.

JBL DESIGN STORM SHELTER Fixed modular Tornado Shelter general specifications.

MATERIALS:

A. A572-grade 65 high-strength low-alloy steel 3/16’’ plate.

B. 1” x 3”x .120 wall 1018 steel tubing/1" x 4"x .120 wall on 8 foot wide units.

C. 2” x 2”x .120” wall 1018 steel tubing

D. 3 hinge/latch units per door

E. .5” dia grade 5 hinge pins

STORM SHELTERS SYSTEM DESCRIPTION:

A. Prefabricated JBL Design Storm Shelter, as manufactured by JBL Storm Shelters.

1. Size: 1 Nominal 4 feet by 6 feet  (5-6 occupants)

2. Size: 2 Nominal 6 feet  by 6 feet (7-9 occupants)

3. Size: 2 Nominal 6 feet  by 8 feet (10-12 occupants)
4. Size: Custom footprint per request.

B. Height: Nominal inside height 73 inches.
 

C. Doors:

1. Doors: Perimeter space frame with cross tubes at hinge points skinned single side with .1875 ASTM A572 steel 36” minimum opening width, height 66” with low overhead signage.  

2.Frame: Perimeter space frame modular units with cross tubes skinned single side with .1875 ASTM A572 steel.

3. Shelter door(s) has/have an outside emergency unlatching device.

D. Finish:

1. Standard color “White” epoxy finish.

2. Optional custom colors.

E. Capacity:

1. As determined by code and size of shelter - 3 sq/ft person residential & 5 sq/ft person commercial

INSTALLATION PROCEDURES

SURVEY AND EXAMINATION OF SITE

A. Examine supporting foundations for compliance with JBL Storm Shelter requirements, including installation tolerances
and other conditions affecting performance of supporting members.

B. Check installed anchor bolts for accuracy. Verify that bearing surfaces are ready to receive the work.

PREPARATION

A. If preparation is the responsibility of another installer, notify the onsite engineer or JBL Engineering Dept. in writing of deviations from manufacturer's recommended installation tolerances and conditions.

B. Properly prepare footings and any deviations from manufacturer's recommended tolerances must be corrected before setting of shelter structure. Prepare surfaces using the methods recommended by the manufacturer for achieving the design structural results for the attachment to the footings. Clean surfaces thoroughly prior to installation.
 

INSTALLATION

A. Install in accordance with manufacturer's instructions & specifications.

B. Place on prepared concrete foundations and slabs provided as specified by manufacture.

C. Anchor securely in place USING ANCHORS SUPPLIED BY MANUFACTURER.

D. Connect optional equipment as specified.
 

FINAL PREPARATION & OPERATIONAL DEMONSTRATION

A. Clean all metal surfaces.
B. Check torque on all bolts, test door bi-directional operation, and insure no blockage of vents.

C. Installer to demonstrate proper use and entry/egress methods to owner and representatives.

JBL STORM SHELTERS-- 25388 So 4120 Rd, Claremore, Ok. 74019

Inquiries and Sales: 918-345-9528 Hours 8:00 am to 6: pm CST
Email: SALES

Manufacturing and Service: 918-345-9528 (Note: Please leave message as we are often in the plant and cannot answer immediately but will return call as soon as possible)