Architectural Specification

SECTION 133121 / 13100
TENSIONED FABRIC STRUCTURES (TFS) SPECIFICATIONS

(View and Download PDF format here: Tension Structure Specification) 

PART 1 – GENERAL

1.1 SUMMARY

A. Section includes design/build non-linear curvature tensioned fabric structure (TFS):

1. Design, within the sizes and profiles limitations shown on architectural drawings, fabrication, assembly and installation of TFS, including their primary supports.

2. Shop drawings, samples, structural calculations and other submittals required by the Building Department and these Specifications.

3. Filing shop drawings and other documents and obtaining necessary permits from the Building Department.

1.2 SUBMITTALS

A. Data: Manufacturer product data, including specifications and installation instructions for each component of the TFS. Include laboratory test reports and other data, where applicable.

B. Shop drawings: Large scale, dimensioned shop drawings for the TFS. Include complete details and schedules for fabrication and shop assembly, and details, schedules, procedures and diagrams showing the sequence of erection.

C. Samples: Of fabric, 12-inch square minimum, and full size samples of fittings.

D. Structural calculations: Signed and sealed by a California-registered structural engineer specializing in TFS design and engineering.

1.3 REFERENCES

A. Structural welding code steel AWS D1.1

B. Structural welding code steel AWS d1.2

C. General contractors license in the states of California, Arizona and Nevada.

D. Los Angeles City Approved Fabricators license.

E. Worker’s Compensation Insurance certificate.

F. General liability insurance certificate in excess of $4 million.

G. Vehicle insurance certification.

1.4 QUALITY ASSURANCE

Requirements of Tension Structure manufacturer and Tension Structure Contractor, contractor must provide proof of certifications:

A. Have been in continuous operation as a professional fabric Tension Structure manufacturer for a minimum of ten (10) years prior to this contract.

B. Hold a valid general contractor’s license for a minimum of five (5) years.

C. Welder Qualifications: The personnel manufacturing the metal awning frames must certified welders.

D. Provide written welding procedure specifications.

E. Professional Engineer Qualifications: A professional engineer who is legally authorized to practice in the jurisdiction where project is located and who is experienced in providing engineering services for installing fabric awnings similar to those indicated fro this project and with a record of successful in service performance.

F. Have a current Los Angeles City Approved Fabricator’s license.

G. OSHA 10 Hour Construction Industry Certified Training.

H. OSHA Fall Protection Training.

I. Job site installation crew must include one CPR trained member on the job site at all times of the installation.

J. The installation crews must have a copy of the awning company’s Code of Safety practices at the job site during times of installation.

K. Hold daily Safety Tail Gate Meetings before start of installation work.

L. When forklifts are used at the job site, the operator must be Fork Lift Operation Trained.

M. Certified California AB1825 Sexual Harassment Training.

N. The awning fabricator must provide proof they have an ongoing written Quality Assurance program for 5 years or more.

O. The Tension Structure fabricator must provide proof of it full-time Quality Assurance manager.

P. The Tension Structure manufacturer must provide proof of $4 million general liability insurance coverage.

Q. The Tension Structure manufacturer must provide proof of workers compensation insurance coverage.

R. It is recommended that the awning contractor be a current member of a professional trade association, i.e., Lightweight Structures Association.

1.5 WARRANTY

A. Warrant frame materials and workmanship against defects for a period of 1 year from date of substantial completion of the Work.

B. Warrant fabric materials and workmanship against defects for a minimum period of 5 years, on a prorated basis, from the date of substantial completion of the work and/or offer the same warranty offered by the fabric mill that manufactured or supplied the fabric.

 

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Eide Industries, Inc. - Tension / Tensile Fabric Structure Manufacturer

B. Ronstan International or Frontier Fittings - Architectural Cabling & Rigging Systems

C. John Bachelor

D. Totten Tubes - Structural Steel and Mechanical Steel Tubing

E. Saint-Gobain Performance Plastics Corp. - Teflon® Coated Fiberglass Materials

F. Ferrari Textiles Corp. - PVC Materials

G. Gore Tenara - PTFE Architectural Fabrics

H. P-D Interglas Technologies – Atex Silicone Coated Fiberglass Materials

2.2 COMPONENTS

A. Architectural membrane.

B. Cables and end fittings.

C. Perimeter clamping system.

D. Structural steel, including masts, support struts, radius perimeter frame, and/or weldments, as indicated on the drawings.

E. Fasteners.

2.3 MATERIALS

A. Fabric: Woven fiberglass fabric with a Teflon™ PTFE (Polytetrafluoroethylene) coating, with a light transmission factor of at least 13%, or PVC fabric with a polyester scrim.

B. Cables and fittings: Polished stainless steel components consisting of cables and end fittings.

C. Steel shall conform to ASTM A36, except as noted below:

1. Steel Pipes: ASTM A53 Type E or S, Grade B.

2. Steel Tubes: ASTM A500 Grade B.

2.4 FABRICATION

A. In accordance with the manufacturer standard procedures and to match approved samples.

 

PART 3 – EXECUTION

3.1 EXAMINATION

A. Examine the conditions under which this work is to be performed and correct unsatisfactory conditions.

B. Correct unsatisfactory conditions before proceeding with installation

3.2 ERECTION

A. Comply with the TFS manufacturer recommendations, the approved shop drawings and the applicable Code requirements.

B. After installation, restore marred or abraded surfaces to original condition using same paint or coating as factory-applied finishes, when the results are acceptable to the Architect, otherwise replace damaged equipment.

END OF SECTION