SECTION 07 72 55
ROOF ACCESSORY ATTACHMENT SYSTEM
PART 1 - GENERAL
1.1 SUMMARY
- Section Includes:
- Roof accessory attachment system for standing seam metal roofs and walls.
- Related Sections:
- Division 1: Administrative, procedural, and temporary work requirements.
- Section [07 41 00 - Metal Roof Panels:] [07 61 00 - Sheet Metal Roofing:] [_____ - _______:] Metal roof system.
- Section [07 72 53.01] [07 72 53.02] - Snow Guards: Snow guards for metal roof system.
- Section [_____ - _______]: Roof-mounted [equipment.] [walkways.] [parapet bracing.] [solar panels.] [accessories.] [____.]
- Section [_____ - _______]: Roof-mounted piping.
- Section [_____ - _______]: Roof-mounted conduit.
1.2 REFERENCES
- Aluminum Association (AA) - Aluminum Standards and Data, 2003 Edition.
- ASTM International (ASTM):
- B85-03 - Standard Specification for Aluminum-Alloy Die Castings.
- B221-04a - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes.
- E527-83(2003) - Standard Practice for Numbering Metals and Alloys.
1.3 SYSTEM DESCRIPTION
- Roof accessory attachment system to provide attachment to standing seam metal roofs:
- With only minor dimpling of panel seams.
- With only round point set screws.
- Without penetrations through roof seams or panels.
- Without use of sealers or adhesives.
- Without voiding roof warranty.
1.4 SUBMITTALS
- Submittals for Review:
- Shop Drawings: Show locations of clamps on roof, clamp spacing, and type of component being attached.
- Product Data: Include product description and installation instructions.
- Samples: Samples of typical clamp.
- Quality Control Submittals:
- Test results: Results of product load testing performed on panel seams.
- Sustainable Design Submittals:
- Regionally manufactured products: Certify location of material manufacturer and distance from manufacturer to project site.
- Closeout Submittals:
- Certification: Installer's certification that roof attachment system was installed in accordance with manufacturer's instructions and approved Shop Drawings.
1.5 QUALITY ASSURANCE
- Load Testing:
- Provide product tensile load testing performed by a recognized independent testing laboratory.
- Test loading to failure on mockup of specific panel seams proposed for this Project, performed in direction parallel to seams.
- Mockup:
- Size: [Minimum of [two] [____] panel seams.] [____.]
- Show: Panel seams, clamps, and roof accessory being attached.
- Locate [where directed.] [____.]
- Approved mockup may remain as part of the Work.
1.6 WARRANTIES
- Provide manufacturer’s 1 year warranty providing coverage against defects in materials and workmanship.
1.7 MAINTENANCE
- Extra Materials: Provide [30] [__] extra clamps with set screws and attachment bolts.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
- Contract Documents are based on products by Metal Roof Innovations, Ltd.
- Substitutions: [Under provisions of Division 1.] [Not permitted.]
2.2 COMPONENTS
-
- Standard Clamps:
- Manufactured from 6061-T6 aluminum extrusions conforming to ASTM B221 or aluminum castings conforming to ASTM B85 and to AA Aluminum Standards and Data.
- Clamp model: No. [S-5-U.] [S-5-E.] [S-5-T.] [S-5-K.] [S-5-Z.] [S-5-R.] [S-5-T2.]
- Set screws: 300 Series stainless steel, 18-8 alloy, 3/8 inch diameter, with round nose point, two per clamp. Cup-point setscrews are not permitted.
- Attachment bolts: 300 Series stainless steel, 18-8 alloy, 10 mm diameter, with flat washers.
- **** OR ****
- Mini Clamps:
- Manufactured from 6061-T6 aluminum extrusions conforming to ASTM B221 or aluminum castings conforming to ASTM B85 and to AA Aluminum Standards and Data.
- Clamp model: No. [S-5-U Mini.] [S-5-E Mini.] [S-5-T Mini.] [S-5-Z Mini.]
- Set screw: 300 Series stainless steel, 18-8 alloy, 3/8 inch diameter, with round nose point, one per clamp. Cup-point setscrews are not permitted.
- Attachment bolts: 300 Series stainless steel, 18-8 alloy, 8 mm diameter, with flat washers.
- **** OR ****
- Clamps:
- Manufactured from red brass, Copper UNS Alloy No. C23000.
- Clamp model: No. S-5-B.
- Set screws: 300 Series stainless steel, 18-8 alloy, 3/8 inch diameter, with round nose point. Cup-point setscrews are not permitted.
- Attachment bolts: 300 Series stainless steel, 18-8 alloy, 10 mm diameter, with flat washers.
- **** OR ****
- Mini Clamps:
- Manufactured from red brass, Copper UNS Alloy No. C23000.
- Clamp model: No. S-5-B Mini.
- Set screw: 300 Series stainless steel, 18-8 alloy, 3/8 inch diameter, with round nose point, one per clamp. Cup-point setscrews are not permitted.
- Attachment bolts: 300 Series stainless steel, 18-8 alloy, 8 mm diameter, with flat washers.
- Standard Clamps:
PART 3 - EXECUTION
3.1 EXAMINATION
- Prior to beginning installation, verify that:
- Panel seaming is complete.
- Panel attachment is sufficient to withstand loads transferred from clamps.
- Installation will not impeded roof drainage.
3.2 PREPARATION
- Clean seam areas to receive clamps; remove loose and foreign matter that could interfere with installation or performance.
3.3 INSTALLATION
- Install clamps in accordance with manufacturer's instructions and approved Shop Drawings.
- Place clamps in neat, straight rows, evenly spaced.
- Place both set screws on same side of clamp.
- Tighten set screws to manufacturer's recommended torque.
- Randomly test set screw torque using calibrated torque wrench.
- END OF SECTION