13 31 00 - FABRIC STRUCTURES.pdf

MINISTRY OF HOUSING Western Sector Projects Sitework & Infrastructure OMRANIA and ASSOCIATES Project Specification

FABRIC STRUCTURES SECTION 13 31 00 - 1

SECTION 13 31 00

FABRIC STRUCTURES PART 1: GENERAL

1.01 SECTION INCLUDES

A. Cable-supported fabric, tensile fabric and non-tensile fabric structures including, but not limited to the following:

1. Cable supports and stays.

2. PVC coated polyester fiber fabric membranes.

3. All necessary flashings.

4. All necessary connections to contiguous work.

5. Structural supports.

1.02 RELATED SECTIONS

A. Section 01 33 00 Submittal Procedures.

B. Section 01 40 00 Quality Requirements.

C. Section 03 30 00 Cast-In Place Concrete.

D. Section 05 05 00 Metal Fastenings.

E. Section 05 12 23 Structural Steel. For Buildings

F. Section 09 91 00 Painting.

1.03 REFERENCES

A. AISC American Institute of Steel Construction -Code of Practice for Steel Buildings.

B. ASTM A 36 Specification for Carbon Structural Steel.

C. ASTM A 53 Specification for Structural Steel Pipe.

D. ASTM A 312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes.

E. ASTM A 325 M Specification for High Strength Bolts for Structural Steel Joints.

F. ASTM A 480M Specification for General Requirements for Flat-Rolled Stainless Steel and heat Resisting Steel Plate, Sheet and Strip.

G. ASTM A 484M Specification for General Requirements for Stainless and Heat Resisting Steel Bars, Billets and Forgings.

MINISTRY OF HOUSING Western Sector Projects Sitework & Infrastructure OMRANIA and ASSOCIATES Project Specification

FABRIC STRUCTURES SECTION 13 31 00 - 2

H. ASTM A 492 Specification for Stainless and Heat Resisting Steel Rope Wire.

I. ASTM B 20M Specification for Aluminum and Aluminum Alloy Sheet and Plate.

J. ASTM B 221M Specification for Aluminum.

K. ASTM E 84 Test Method for Surface Burning Characteristics of Building Materials.

L. ASTM E 108 Test Method for Fire Test of Roof Coverings.

M. ASTM F 593 Specification for Stainless Steel Bolts, Hex Cap Screws and Studs.

N. ASTM F 594 Specification for Stainless Steel Nuts.

1.04 SUBMITTALS FOR REVIEW

A. Comply with Section 01 33 00.

B. Final construction schedule of supports and membranes.

C. Product Data: Provide component dimensions, describe components with assembly, anchorages and fasteners and connections to adjoining building fabric and drainage provisions.

D. Design Data: Provide framing members structural and physical characteristics including dimensional limitations.

E. Shop Drawings: Indicate dimensions, description of materials and finishes, general construction, component connections, anchorage methods, hardware and installation procedures. Provide the following for approval by the Engineer.

1. Final architectural drawings showing the membrane form and profiles as well as masts and connections.

2. Structural design drawings showing the precise interface geometry coordination with sub structure and contiguous builders works.

3. Structural reaction loads, connections, details, interfaces and seam layouts which shall include:

a. Large deflection numerical shape generation that will insure a stable, uniformly stressed, three dimensionally curved shape that is in static equilibrium with the internal pre-stress forces, and is suitable to resist all applied loads.

b. Large deflection finite element method structural analysis of the membrane system under all applicable applied wind and live load conditions.

c. Finite element method structural analysis of the support system.

d. Member sizing calculations of all primary structural members.

e. Connection design including bolt, weld, and secondary member sizing skylights.

f. Biaxial fabric test specification, interpretation, and fabric compensation determination.

MINISTRY OF HOUSING Western Sector Projects Sitework & Infrastructure OMRANIA and ASSOCIATES Project Specification

FABRIC STRUCTURES SECTION 13 31 00 - 3

g. Accurate generation of the two dimensional compensated fabric templates required to generate the three-dimensional equilibrium shape.

F. Submit two samples, 500 x 500 mm, of each membrane finish with seams to colors and transparency previously selected by the Engineer.

G. Samples of exposed and concealed fixings showing the finishes to the colors selected by the Engineer from color ranges previously submitted for selection by the Engineer.

1.05 QUALITY ASSURANCE

A. Perform Work in accordance with current applicable codes and regulations.

B. Manufacturer and Installer: Company specializing in manufacturing membrane systems with minimum ten years documented experience.

1.06 DELIVERY, STORAGE AND HANDLING

A. Comply with Section 01 61 00.

B. Protect finished metal surface with strippable coating. Do not use adhesive papers or sprayed coatings which bond when exposed to sunlight or weather.

1.07 WARRANTY

A. Comply with Section 01 78 36.

B. Correct defective Work within a five year period after Substantial Completion include for replacement and making good any damage caused during replacement.

C. Warranty: Include coverage for complete system for failure to meet specified requirements. PART 2: PRODUCTS 2.01 ACCEPTABLE MANUFACTURERS

1. Substitutions: Under the provisions of Section 01 25 00

2.02 MATERIALS

A. Extruded aluminum complying with ASTM B 221M.

B. Sheet aluminum complying with ASTM B 209M.

C. Structural steel rolled shapes, plates rods and anchors complying with ASTM A 36.

D. Structural steel pipe complying with ASTM A 53.

E. High strength bolts complying with ASTM A 325.

F. All exposed fasteners including bolts, nuts and washers shall be stainless steel complying with ASTM F 593 and ASTM F 594.

G. All concealed nuts, bolts, washers, shall be zinc plated complying with ASTM A 307.

MINISTRY OF HOUSING Western Sector Projects Sitework & Infrastructure OMRANIA and ASSOCIATES Project Specification

FABRIC STRUCTURES SECTION 13 31 00 - 4

2.03 FABRIC

A. Propose specific materials for each structure based on structural analysis and other parameters such as closed or partially open grid fabric.

B. Woven Material:

1. Yarn shall be of highest quality; the thread must be equipped with Low Wick.

2. Coating on the fabric shall be at 50 % more externally to the internal faces.

3. Coating shall be fungicidal and bactericidal and dust/dirt resistant.

4. Geometric check of weft arch shall not exceed 1%. Thread shall lie straight in warp and weft.

5. The external face of the closed fabric shall have an additional coating out of PVDF with an average weight of 75 - 85 g/m2

6. Fabric shall be flame retardant in accordance with ASTM E 94. Certificate of compliance shall be provided.

.

7. The strength of a welded seam shall have more than 70% of the breaking load of the base material at 70 oC and more than 90% at 23 o

8. Material shall be from one production run.

C.

C. Minimum requirements and mechanical properties:

1. Support cloth DIN 60001

2. Density DIN 53853

3. Tensile strength and elongation DIN 53354

4. Tear strength DIN 53363

5. Cold resistance DIN 53361

6. Crack resistance DIN 53359

7. Yarn finesse dtex DIN 53830

8. Type of Weave DIN 61101

9. Weight of net-cloth DIN 53853

10. Total weight DIN 53352

11. Width of material DIN 53851

12. Adhesion DIN 53357

13. Type of coating PVC/PVC+PVDF

14. Fire resistance (Class A) ASTM E 108

MINISTRY OF HOUSING Western Sector Projects Sitework & Infrastructure OMRANIA and ASSOCIATES Project Specification

FABRIC STRUCTURES SECTION 13 31 00 - 5

15. Flame spread ASTM E 84

D. Mechanical tests of membrane connections and reinforcements:

1. Standard tests for the fabric and connections shall be made and documented. Carry out 5 tests for each specimen:

a. Tensile strength warp and weft, at 23 oC and 70 o

b. Welding seam, warp and weft 23

C temperature.

oC and 70 o

c. Biaxial stress behavior, to define the compensation value for cutting pattern.

C, short and long time.

2. Fabric details and reinforcement:

a. Seams (high frequency welded) shall be 80 mm or 100 mm.

b. Edge detail shall be similar to standard seam; if the main edge cable is positioned into a special pocket there shall be reinforcement to keep the cable from direct contact to the main membrane material.

c. Corner reinforcements shall be made of HF-welded PES belts or similar so that the tensioned appearance will be maintained.

d. For site assembly of factory prepared units a suitable connection shall be to take up the high connected loads which shall be water tight and flat.

E. Fabric manufacturer shall guarantee the same quality of material properties (mechanical and optical) as shown in the samples provided for approvals, the technical data sheets and the requirements resulting out of the structural analysis.

2.04 HEAT COEFFICIENT, U-VALUES OF FABRIC

A. Single layer, U = 5.5 W/m2 o

B. Double layer, U = 2.6 W/m

C.

2 o

2.05 FINISHES

C.

A. Zinc rich primer 0.3 mm dry film thickness.

B. Epoxy intermediate coast 0.5 mm minimum thickness.

C. 2 part aliphatic urethane finish coat.

D. All finishes to be applied strictly in accordance with the manufacturers instructions.

E. Colors shall be as approved by the Engineer.

F. Provide 300 x 300 mm samples of finishes for approval by the Engineer.

2.06 TRADITIONAL CANVAS TENTS

A. Permanent, five-fold canvas tent consisting of:

MINISTRY OF HOUSING Western Sector Projects Sitework & Infrastructure OMRANIA and ASSOCIATES Project Specification

FABRIC STRUCTURES SECTION 13 31 00 - 6

1. Inner fold of SADO or JAKAR (traditional tent liner made of linen).

2. Second fold of white canvas.

3. Third fold of canvas.

4. Fourth fold of unseen layer of canvas providing thermal protection.

5. Top and final told of water-resistant canvas.

6. Tubular steel structural frame.

7. Sliding steel door and frame.

B. Movable, three-fold canvas tent 4 m x 4 m size, consisting of:

1. Inner fold of white canvas.

2. Second fold of unseen layer of canvas providing thermal protection.

3. Final fold of yellow print dosuti.

4. Iron erection poles.

C. Canvas material for all folds shall, at a minimum, be of manufacturers standard strengths relative to size and configuration of tent structures.

D. Metal components for permanent tents shall be primed with corrosion resistant primer and painted with anti-corrosion paints in accordance with Section 09900.

PART 3: EXECUTION 3.01 EXAMINATION

A. Comply with Section 01 31 00.

B. Verify dimensions, tolerances, and method of attachment with other work.

C. Verify contiguous builders works are ready to receive work of this Section.

3.02 INSTALLATION

A. Installation shall be carried out in accordance with the manufacturers instructions.

B. Cutting patterns shall be derived from a computer model and allow for all bi-axial loadings.

C. Fabricated panels shall be free of patches, non-designed warp splices, random warp splices.

D. The membranes shall be erected free of wrinkles when viewed from normally occupied spaces.

E. Damages caused during erection may be temporarily repaired using field patches, permanent repairs shall be made with full panel replacement from seam to seam or seam to approved splice, as approved by the Engineer.

MINISTRY OF HOUSING Western Sector Projects Sitework & Infrastructure OMRANIA and ASSOCIATES Project Specification

FABRIC STRUCTURES SECTION 13 31 00 - 7

3.03 FIELD QUALITY CONTROL

A. Comply with Section 01 40 00.

B. Carry out inspections to monitor quality of installation.

3.04 CLEANING

A. Comply with Section 01 77 00.

B. Remove protective material from the pre-finished surfaces.

C. Wash down surfaces as recommended by manufacturer. Leave surfaces free of dust on completion.

3.05 PROTECTION OF FINISHED WORK

A. Comply with Section 01 77 00.

B. Protect finished work from damage.

END OF SECTION

SECTION 13 31 00