FABRIC & SHADE STRUCTURE SPECIFICATIONS
FABRIC & SHADE STRUCTURE SPECIFICATIONS
1.01 FABRIC SPECIFICATIONS
A. UV shade fabric is made of UV stabilized cloth manufactured by ALNET, or approved equal.
B. The high density polyethylene material shall be manufactured with tensioned fabric structures in mind.
C. The fabric knit is to be made using monofilament and tape filler which has a weight of 9.38 to 10.32 oz. sq. yd. Material to be Rachel-knitted to ensure material will not unravel if cut.
D. Burst strength of 3.7Kn.
E. Cloth meets fire resistance tests as follows: Alnet Extra Block: California State Fire Marshall Reg. # F-50303 Others: NFPA 701-99 (Test Method 2)
F. Fabric Properties
B. Shall have a wide temperature and humidity range.
C. Abrasion resistant and UV radiation immunity.
D. Shall be unaffected by non-hydrocarbon based cleaning agents, acid rain, mildew, rot, chlorine, saltwater, and pollution.
E. Lockstitch thread – 2400 Denier or equal.
F. Chainstitch thread – 2400 Denier or equal.
1.03 STEEL TUBING
A. All fabricated steel must be in accordance with approved shop drawings and calculations.
B. All steel is cleaned, degreased or etched to ensure proper adhesion of powder-coat in accordance with manufacturer’s specifications.
C. All steel used on this project needs to be new and accompanied by the mill certificates if requested. Structural steel tubing up to 5”-7gauge shall be galvanized per Allied Steel FLO-COAT specifications. Schedule 40 black pipe fabrications shall be sandblasted and primed as described below.
D. All non-hollow structural shapes comply with ASTM A-36, unless otherwise noted.
E. All hollow structural steel shapes shall be cold formed HSS ASTM A-53 grade C, unless otherwise noted.
F. Plate products shall comply with ASTM A-36.
A. Shall be 100% expanded PTFE fiber which carries an 8 year warranty that is high strength and low shrinkage.
1.04 POWDER COATING & PRIMING
A. All non-galvanized steel shall be sandblasted and primed prior to powder coating using G50 steel grit.
B. All non-galvanized steel must be coated with rust inhibiting primer prior to applying the powder coat. Primer shall be Cardinal Industrial Finishes Corp. H304 – GR312 Epoxy Polyester Hybrid Powder Coating Anti-gassing Primer.
C. Welds shall be primed with rust inhibiting primer prior to applying the powder coat. Primer shall be Cardinal Industrial Finishes Corp H304 – GR312 Epoxy
Polyester Hybrid Powder Coating Anti-gassing Primer or equivalent.
D. All steel parts shall be coated for rust protection and finished with a minimum 3.5 mil thick UV-inhibited weather resistant powder coating.
E. Characteristics Powder used in the powder-coat process shall have the following characteristics:
E. Powder-coating shall meet the following tests:
F. Application Criteria
A. All shop welds shall be executed in accordance with the latest edition of the American Welding Society Specifications.
B. Welding procedures shall comply in accordance with the AWS D1.1-AWS Structural Welding Code-Steel.
C. All welds to be performed by a certified welder. All welds shall be continuous where length is not given, unless otherwise shown or noted on drawings.
D. All welds shall develop the full strength of the weaker member. All welds shall be made using E70xx.035 wire.
E. Shop connections shall be welded unless noted otherwise. Field connections shall be indicated on the drawings. Field –welded connections are not acceptable.
F. All fillet welds shall be a minimum of ¼” unless otherwise noted.
G. All steel shall be welded shut at terminations to prevent internal leakage.
H. Internal weld sleeving is not acceptable.
I. On-site welding of any component is not acceptable.
A. On-site sewing of a fabric will not be accepted.
B. All corners shall be reinforced with extra non-tear cloth and strap to distribute the load.
C. The perimeters that contain the cables shall be double lock stitched.
1.07 INSTALLATION HARDWARE
A. Bolt and fastening hardware shall be determined based on calculated engineering loads.
B. All bolts shall comply with SAE-J429 (Grade 8) or ASTM A325 (Grade BD). All nuts shall comply with ASTM F-594, alloy Group 1 or 2.
C. Wire rope cable shall be 7×19 strand galvanized wire rope with a breaking strength of 7, 000 lbs. (1/4” diameter) for shades generally under 1400 sq. ft. unless requested larger by the customer. For shades >1400 sq. ft. cable shall be 5/16” @9800# breaking strength.
D. All fittings required for proper securing of the cable are hot dipped galvanized.
A. Concrete work shall be executed in accordance with the latest edition of
American Concrete Building Code ACI 318 unless specified by the governing municipality.
B. Concrete specifications shall comply in accordance with, and detailed as per plans as follows:
1. 28 Days Strength F’c = 3000 psi
2. Aggregate: HR
3. Slump: 3-5
4. Portland Cement shall conform to C-150
5. Aggregate shall conform to ASTM C-33
C. All reinforcement shall conform to ASTM A-615 grade 60.
D. Reinforcing steel shall be detailed, fabricated and placed in accordance with the latest ACI Detailing Manual and manual of Standard Practice.
E. Whenever daily ambient temperatures are below 80 degrees Fahrenheit, the contractor may have mix accelerators and hot water added at the batch plant (See Table 1).
F. The contractor shall not pour any concrete when daily ambient temperature is below 55 degrees Fahrenheit.
1.1 GLIDE ELBOWS AND TENSION DRIVES
A. All anchor bolts set in new concrete shall be ASTM A-325
A. All hip design canopies shall include Glide Elbows – all other shade designs shall include Tension Drives as shown in the following pages
B. All anchor bolts shall be hot dipped galvanized.
C. Footings shall be placed in accordance with and conform to engineered specifications and drawings.
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