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. This section is based on the products of Advanced Support Products, Inc., which is located at: 24227 FM 2978 Rd. Tomball, TX 77375 Toll Free Tel: 800-941-5737 Tel: 281-357-1277 Fax: 281-357-0577 Email: request info Web: www.aspbase.com [ Click Here ] for additional information. Advanced Support Products is nationally known as the 'original innovator' of the equipment support platform. We manufacture and market a unique patented family of non-penetrating rooftop supports including equipment platforms and antenna mounts to the telecommunications industry, as well as pipe support systems and equipment support platforms to the HVAC, mechanical, electrical and commercial roofing industries. Advanced Support Products is a leader in the metal fabricating industry. We have earned our reputation by providing quality, dependability, on-time delivery maximum flexibility and competitive pricing, in all of our products and services. The Pipe Support Systems designed by ASP are built on a patented support base and are easily installed with little to no maintenance required. Engineering design ensures safe weight displacement, vibration absorption and roof protection. Contact Advanced Support Products for additional information or support. | ||||||||||||||||||||||||||||||||||||||||||||||||||
| PART 1 | GENERAL | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.1 | SECTION INCLUDES | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Portable, non-penetrating rooftop supports for the following: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Walkways. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | HVAC Equipment Supports. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3. | Telecommunications Equipment Platforms. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 4. | Crossover Ramps. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 5. | Pipe supports. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 6. | Conduit supports. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 7. | Duct and equipment supports. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 8. | Safety rails for skylights and parapet walls. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 9. | Accessories. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Permanent Structural Steel Equipment Platforms. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.2 | RELATED SECTIONS | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Section 07700 - Roof and Deck Insulation. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Section 07700 - Membrane Roofing. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Section 15060 - Hangers and Supports | |||||||||||||||||||||||||||||||||||||||||||||||||
| D. | Section 15062 - Rooftop Supports and Walkways. | |||||||||||||||||||||||||||||||||||||||||||||||||
| E. | Section 15070 - Mechanical Sound, Vibration and Seismic Control | |||||||||||||||||||||||||||||||||||||||||||||||||
| F. | Section 15700 - HVAC Equipment | |||||||||||||||||||||||||||||||||||||||||||||||||
| G. | Section 15820 - Duct Accessories | |||||||||||||||||||||||||||||||||||||||||||||||||
| H. | Section 16050 - Basic Electrical Materials and Methods | |||||||||||||||||||||||||||||||||||||||||||||||||
| I. | Section 16070 - Hangers and Supports | |||||||||||||||||||||||||||||||||||||||||||||||||
| J. | Section 16130 - Raceway and Boxes | |||||||||||||||||||||||||||||||||||||||||||||||||
| K. | Section 16135 - Cable Trays | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.3 | REFERENCES | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | ASTM A 36 - Standard Specification for Carbon Structural Steel. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | ASTM A 123 - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | ASTM A 153 - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware. | |||||||||||||||||||||||||||||||||||||||||||||||||
| D. | ASTM A 167 - Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip. | |||||||||||||||||||||||||||||||||||||||||||||||||
| E. | ASTM A 501 - Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing. | |||||||||||||||||||||||||||||||||||||||||||||||||
| F. | ASTM A 570 - Standard Specification for Steel, Sheet and Strip, Carbon, Hot-Rolled, Structural Quality. | |||||||||||||||||||||||||||||||||||||||||||||||||
| G. | ASTM A 572 - Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel | |||||||||||||||||||||||||||||||||||||||||||||||||
| H. | ASTM A 653 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.4 | DESIGN / PERFORMANCE REQUIREMENTS | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Performance Requirements: Provide portable, non-penetrating walkway system, equipment support platform, duct supports, crossover ramps and safety rails which have been manufactured, fabricated and installed to withstand loads, and to maintain performance criteria without defects, damage or failure. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Design walkways, platform assemblies and attachments to resist the following loads: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Floor Live and dead loads with 1/180 of span maximum deflection. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Live Loads: As indicated on Drawings. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3. | Dead Loads: Actual weight of materials incorporated into Work. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Wind Load: As calculated in accordance with applicable code. | |||||||||||||||||||||||||||||||||||||||||||||||||
| D. | Seismic Loads: As calculated in accordance with applicable code. | |||||||||||||||||||||||||||||||||||||||||||||||||
| E. | Design handrail, guardrail, and attachments to resist loads required by applicable code. Apply loads non-simultaneously to produce maximum stresses. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Top Rail Uniform Load: 50 plf (0.73 kN/m) applied in any direction. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Intermediate Rails, Panels, and Baluster Concentrated Load: 50 pounds (0.22 kN) applied to 1 sf (300 sq mm) area. | |||||||||||||||||||||||||||||||||||||||||||||||||
| F. | Design supports to limit pipe and/or conduit deflection to L/240, not to exceed 10 feet (3 m) on center. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.5 | SYSTEM DESCRIPTION | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Design Requirements: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Prefabricated, engineered support systems designed specifically for use on roofing without adhesive, roof penetrations, flashings or damage to roofing system. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Prefabricated, watertight mechanically anchored, engineered support systems designed specifically for use on roofing. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.6 | SUBMITTALS | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Submit under provisions of Section 01300. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Product Data: Manufacturer's data sheets on each product to be used, including: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Preparation instructions and recommendations. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Storage and handling requirements and recommendations. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3. | Installation methods. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Shop Drawings: Indicate layout, base mounting details, support components and methods of installation. | |||||||||||||||||||||||||||||||||||||||||||||||||
| D. | Verification Samples: Two samples, full size base and frame and fastener sections minimum size 12 inches (301 mm) long, representing actual product and finish. | |||||||||||||||||||||||||||||||||||||||||||||||||
| E. | Manufacturer's Certificates: Certify products meet or exceed specified requirements. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.7 | QUALITY ASSURANCE | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Manufacturer Qualifications: Company specializing in the manufacturing of pipe support systems, rooftop equipment support platforms and walkways. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Installer Qualifications: Company approved by manufacturer and with not less than 5 years of experience in installation of pipe support systems. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Pre-Installation Meeting: After approval of submittals, but before beginning installation, conduct a meeting at project site attended by Architect, Contractor, installers of roofing, and mechanical and electrical piping and equipment to be installed in support system. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Purpose of meeting is to describe in detail the installation process and to establish agreement, coordination, and responsibilities. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Prepare detailed meeting report and distribute copies to Architect and all attendees. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.8 | DELIVERY, STORAGE, AND HANDLING | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Store products in manufacturer's unopened packaging until ready for installation. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Store materials in a dry, weathertight location. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1.9 | COORDINATION | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Coordinate Work with other operations and installation of adjacent materials to avoid damage to installed insulation and membrane materials. | |||||||||||||||||||||||||||||||||||||||||||||||||
| PART 2 | PRODUCTS | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2.1 | MANUFACTURERS | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Acceptable Manufacturer: Advanced Support Products, Inc., which is located at: 24227 FM 2978 Rd. ; Tomball, TX 77375; Toll Free Tel: 800-941-5737; Tel: 281-357-1277; Fax: 281-357-0577; Email: request info; Web: www.aspbase.com | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Substitutions: Not permitted. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Requests for substitutions will be considered in accordance with provisions of Section 01600. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2.2 | MATERIALS - GENERAL | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Non-Penetrating Base Material: Injected molded polypropylene with molded insert for square tubing and two threaded rod couplings molded in. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Steel Frames: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Steel channel frame section, galvanized conforming to ASTM A 653. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Steel beams shall conform to ASTM A 572, grade 50. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3. | Steel plates and angles shall conform to ASTM A 36. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 4. | Hollow Structural Sections: Steel tubing conforming to ASTM A 501. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Grating: 1 inch (25.5 mm) by 3/16 inch (4.8 mm) bar grating, 19-W-4 carbon steel, ends capped with 1 inch (25.5 mm) 1/4 inch (6.4 mm) steel flat bar, welded, hot-dipped uniform zinc coating after fabrication. | |||||||||||||||||||||||||||||||||||||||||||||||||
| D. | Handrail Framing: 1-1/2 inch (38 mm) schedule 40 pipe, welded, hot-dipped uniform zinc coating after fabrication. | |||||||||||||||||||||||||||||||||||||||||||||||||
| E. | Hangers: Clevis and/or Band type as per pipe requirements. | |||||||||||||||||||||||||||||||||||||||||||||||||
| F. | Accessories: Cadmium plated threaded rods, clamps, nuts, bolts and washers. | |||||||||||||||||||||||||||||||||||||||||||||||||
| G. | Rollers: Non-Binding Heavy-Duty SBR Rubber. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2.3 | EQUIPMENT SUPPORTS | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Non-Penetrating Roof Equipment Support System: Engineered prefabricated support system custom designed by Advanced Support Products to be installed on roof without adhesives, roof penetrations, flashings or damage to roofing system. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Base: Injected molded polypropylene, 3 inch (76 mm) high by 17 inch (432 mm) diameter, designed for weight disbursement, with molded insert for square tubing and two threaded rod couplings molded in for support of structural steel frame. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Design to fit the roof slope as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Mechanically Fastened Steel Base System: Engineered prefabricated support system custom designed by Advanced Support Products to be mechanically fastened to comply with design/performance requirements. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Base shall consist of a 12 inches (305 mm) square galvanized steel plate, 1/4 inch (6.4 mm) thick, with four holes for approved anchoring with galvanized square tubing welded to plate as receiver for support of structural steel frame with the opening covered. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Design to fit the roof slope as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2.4 | WALKWAYS, RAMPS AND PLATFORMS | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Roof Walkways: Roof walkway system custom designed by Advanced Support Products and located as indicated on the Drawings. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Provide a safe walkway for rooftop traffic while protecting the roof from foot traffic. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Fabricate with steel frame and steel grating attached with hardware, provided and mounted on base system specified. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3. | Deck fabricated of steel grating, attached with hardware, provided. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 4. | Handrails made fabricated of 1-1/2 inch (38 mm) pipe, as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Crossover Ramps: Crossover ramp system, custom designed by Advanced Support Products and located as indicated on the Drawings. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Provide a safe method for crossing cable, conduit, piping or other structures on rooftop. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Design to include a ramp angled from the roof surface to a predetermined height to adequately clear any obstacles. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3. | Crossover Ramp to include a level mid-section with adjoining ramp descending back down to roof surface. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 4. | Fabricate with steel frame and from steel grating attached with hardware, provided and mounted on base system specified. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 5. | Deck fabricated of steel grating, attached with hardware, provided. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 6. | Handrails made fabricated of 1-1/2 inch (38 mm) pipe, as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Equipment Platform: Equipment platform to support telecommunications equipment, generators, HVAC equipment or miscellaneous equipment use equipment platform, custom designed by Advanced Support Products for either rooftop or land site applications. Equipment platforms shall be constructed as follows: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Non-Penetrating Roof Equipment Support System: | |||||||||||||||||||||||||||||||||||||||||||||||||
| a. | Design to support frame, utilize base with no roof penetrations. | |||||||||||||||||||||||||||||||||||||||||||||||||
| b. | Frame fabricated of steel angle or channel and square tubing or strut as required to suit design loads. | |||||||||||||||||||||||||||||||||||||||||||||||||
| c. | Deck fabricated of steel grating attached with hardware, provided. | |||||||||||||||||||||||||||||||||||||||||||||||||
| d. | Handrails fabricated of 1-1/2 inch (38 mm) galvanized steel pipe, as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| e. | Design to include the number and spacing of bases required to support the weight of the equipment and load requirements. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Mechanically Fastened Steel Base System: | |||||||||||||||||||||||||||||||||||||||||||||||||
| a. | Design to support frame, utilizing 12 inch (305 mm) square galvanized steel plate, 1/4 inch (6.4 mm) thick, with four holes for anchoring to roof system. | |||||||||||||||||||||||||||||||||||||||||||||||||
| b. | Frame fabricated of steel I-beam or channel, connections conforming to the AISC Manual of Steel Construction. | |||||||||||||||||||||||||||||||||||||||||||||||||
| c. | Deck fabricated of steel grating, attached with hardware, provided. | |||||||||||||||||||||||||||||||||||||||||||||||||
| d. | Handrails made fabricated of 1-1/2 inch (38 mm) pipe, as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| e. | Equipment platform designed to support weight of the equipment based on load requirements. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2.5 | PIPE AND DUCT SUPPORTS: | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Conduit or Pipe Up to 1/2 inch (12.5 mm) Diameter: Model # SS1000B Pipe Support with Strut Bar. Use with circular base with double sided strut inserted into center cavity. Use strut clamps to secure pipe. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Conduit or Pipe Up to up to 8 inch (203 mm) Diameter Without Height Adjustment: Model # SS1000 Pipe Support. Use with circular base with 12 gauge framing channel, 18 inches long, attached directly to base using 1/2 inch (12.5 mm) bolts. Strut clamps may be used as option for securing pipe. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Conduit or Pipe Up to up to 8 inch (203 mm) Diameter With Height Adjustment: Model # SS1000A Adjustable Pipe Support. Use with circular base with 12 gauge framing channel, 18 inches long and attached to circular base using 1/2 inch (12.5 mm) threaded rods, 12 inches (305 mm) long, with washers and nuts. Height of channel can be adjusted along the length of the threaded rods. Strut clamps are recommended to hold piping or conduit in place. | |||||||||||||||||||||||||||||||||||||||||||||||||
| D. | Water or Gas Piping Up to 8 inch (203 mm) Diameter With Roller Support: Model # SS1000R Pipe Support with Roller. Use with circular base with SBR heavy-duty rubber roller assembly attached directly to base with 1/2 inch (12.5 mm) bolts. | |||||||||||||||||||||||||||||||||||||||||||||||||
| E. | Water or Gas Piping Up to 8 inch Diameter With Roller Support and Height Adjustment: Model # SS1000RA Pipe Support with Adjustable Roller. Use with circular base with SBR heavy-duty rubber roller assembly attached to circular base using 1/2 inch (12.5 mm) threaded rods, 12 inches (305 mm) long, with washers and nuts. Height of roller assembly can be adjusted along the length of the 1/2 inch (12.5 mm) threaded rods. | |||||||||||||||||||||||||||||||||||||||||||||||||
| F. | Piping in Multiple Runs: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Cross Brace Bridge Model SS2000/36. Fabricated of two circular bases and framing channel 36 inches long attached directly to the bases using 1/2 inch (12.5 mm) bolts or 1/2 inch (12.5 mm) threaded rods with washers and nuts, 12 inches (305 mm) long, Height of framing channel can be adjusted along the length of the 1/2 inch (12.5 mm) threaded rod. Use with strut clamps or roller accessories as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Cross Brace Bridge Model SS2000/48. Fabricated of two circular bases and framing channel 48 inches (1219 mm) long attached directly to the bases using 1/2 inch (12.5 mm) bolts or 1/2 inch (12.5 mm) threaded rods with washers and nuts, 12 inches (305 mm) long, Height of framing channel can be adjusted along the length of the 1/2 inch (12.5 mm) threaded rod. Use with strut clamps or roller accessories as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3. | Cross Brace Bridge Model SS2000/60. Fabricated of two circular bases and framing channel 60 inches (1524 mm) long attached directly to the bases using 1/2 inch (12.5 mm) bolts or 1/2 inch (12.5 mm) threaded rods with washers and nuts, 12 inches l(12.5 mm) long, Height of framing channel can be adjusted along the length of the 1/2 inch (12.5 mm) threaded rod. Use with strut clamps or roller accessories as required. | |||||||||||||||||||||||||||||||||||||||||||||||||
| G. | Conduit or Pipe Up to up to 4 inch (102 mm) Diameter When Height Adjustment or Pipe Suspension is Required: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Model # SS1000H Hanging Pipe Support for single pipe. Use with circular base with 12 gauge framing channel, 18 inches (457 mm) long, attached to base using 1/2 inch (12.5 mm) threaded rods, 12 inches (305 mm) long, with one hanger attached to channel using 1/2 inch (12.5 mm) threaded rod to suspend piping at heights beginning at 3 inches (76 mm). Height of channel can be adjusted along the length of the threaded rods. Height of hanger can be adjusted along the length of the threaded rod. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | SS1000T Hanging Pipe Support Tee for two pipes. Use with circular base with 12 gauge framing channel formed to make a "T" shape with two hangers attached to channel using 1/2 inch (12.5 mm) threaded rods on each side of the "T" to suspend piping at heights beginning at 3 inches (76 mm). Height of hanger can be adjusted along the length of the threaded rods. | |||||||||||||||||||||||||||||||||||||||||||||||||
| H. | Piping in Multiple Runs Up to 12 inch (305 mm) Diameter When Height Adjustment or Pipe Suspension is Required: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | SS4000P Adjustable Support Bridge is made of four circular bases and 12 gauge framing channel formed to make one "H" shaped support with crossbar. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | SS6000P Adjustable Support Bridge is made of six circular bases and 12 gauge framing channel formed to make two "H" shaped supports with crossbar. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3. | SS8000P Adjustable Support Bridge is made of eight circular bases and 12 gauge framing channel formed to make three "H" shaped supports with crossbar. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 4. | Crossbar height is adjustable: Provide in the following length: | |||||||||||||||||||||||||||||||||||||||||||||||||
| a. | 18 inches (457 mm). | |||||||||||||||||||||||||||||||||||||||||||||||||
| b. | 24 inches (610 mm). | |||||||||||||||||||||||||||||||||||||||||||||||||
| c. | 36 inches (914 mm). | |||||||||||||||||||||||||||||||||||||||||||||||||
| d. | 48 inches (1219 mm). | |||||||||||||||||||||||||||||||||||||||||||||||||
| 5. | Use with strut clamps or roller accessories. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 6. | Use with hanger supports to suspend water or gas piping at various heights. | |||||||||||||||||||||||||||||||||||||||||||||||||
| a. | Hanger supports attached to support frame using 1/2 inch (12.5 mm) threaded rods. Hangers offer complete height adjustments along the length of threaded rods. | |||||||||||||||||||||||||||||||||||||||||||||||||
| I. | HVAC Duct and Cable Tray Supports: use Model # SS2000D Duct Support. Use with two circular bases with 12 gauge framing channel formed to make an "H" shaped support. Framing channel is adjustable in both height and width. | |||||||||||||||||||||||||||||||||||||||||||||||||
| J. | Light Weight HVAC Equipment Supports: | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Model #SS1000EC Equipment Support Corner used with one circular base and 12 gauge Unistrut P9000 and P9200 with 6 inch (152 mm) galvanized steel support bracket formed for a corner. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Model #SS1000E Equipment Support Stand. SS1000E is one circular base and 12 gauge Unistrut P9000 and P9200 with 6 inch (152 mm) galvanized steel support bracket. | |||||||||||||||||||||||||||||||||||||||||||||||||
| K. | Heavier HVAC Equipment Supports: Provide equipment platform designed by to support the weight of the equipment and load requirements indicated on the Drawings. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 1. | Equipment platform consists of circular bases supporting a structural steel frame | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2. | Equipment platform consists of galvanized steel plates, with four holes for approved anchoring and supporting a structural steel frame. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 2.6 | FABRICATION | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Fit and shop assemble in largest practical sections, for delivery to site and field bolted assembly. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Fabricate components with joints tightly fitted and secured. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Supply components required for anchorage of fabrications. | |||||||||||||||||||||||||||||||||||||||||||||||||
| PART 3 | EXECUTION | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3.1 | EXAMINATION | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Do not begin installation until substrates have been properly prepared. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Verify that roof surface is smooth and clean. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3.2 | PREPARATION | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Clean surfaces thoroughly prior to installation. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Clean surfaces to receive supports removing any loose gravel and any foreign matter. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3.3 | INSTALLATION | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Install in accordance with manufacturer's instructions and approved shop drawings. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Allow for erection loads, and for sufficient temporary bracing to maintain fabrications safe, plumb, and in alignment until completion of erection and installation of permanent bracing. | |||||||||||||||||||||||||||||||||||||||||||||||||
| C. | Accurately locate and align pre-fabricated pipe supports. | |||||||||||||||||||||||||||||||||||||||||||||||||
| D. | Isolation pads are not required under circular bases. | |||||||||||||||||||||||||||||||||||||||||||||||||
| E. | Should the roofing manufacturer require a separation sheet between the roof and the support system, place a separation sheet or protective pad conforming to the existing roof manufacturer's system under the circular bases. Do not adhere bases to the roof system. | |||||||||||||||||||||||||||||||||||||||||||||||||
| F. | If required, insert frame structures into circular bases as indicated by manufacturer's instructions. | |||||||||||||||||||||||||||||||||||||||||||||||||
| G. | Adjust height of each strut or channel and hanger or roller to its required height and tighten with nut, but do not over-tighten. Check each support for equal weight disbursement. Correct if necessary. | |||||||||||||||||||||||||||||||||||||||||||||||||
| H. | After erection, touch up abrasions to match shop finishes. | |||||||||||||||||||||||||||||||||||||||||||||||||
| I. | Remove any unused materials and packaging from job site. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3.4 | FIELD QUALITY CONTROL | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Underlayment manufacturers representative to verify that installation of underlayment and perimeter isolation barrier is in conformance to the manufacturer's recommendations as required under warrantee provisions. | |||||||||||||||||||||||||||||||||||||||||||||||||
| 3.5 | PROTECTION | |||||||||||||||||||||||||||||||||||||||||||||||||
| A. | Protect installed products until completion of project. | |||||||||||||||||||||||||||||||||||||||||||||||||
| B. | Touch-up, repair or replace damaged products before Substantial Completion. | |||||||||||||||||||||||||||||||||||||||||||||||||