GLAZED STRUCTURES 13123 INSTITUTIONAL GREENHOUSE CLASSROOMS Part 1 General 1.01 SECTION INCLUDES A. Furnish and install a pre-fabricated, pre-engineered aluminum glazed greenhouse structure 1.02 REFERENCES A. Conform with the following codes, specifications and standards (where applicable). 1. Architectural Aluminum Manufacturers Association (AAMA) 2. Flat Glass Marketing Association (FGMA) 3. American National Standards Institute (ANSI) 4. Insulating Glass Certification Council (IGCC) 5. International Conference of Building Officials (ICBO) 6. Building Officials & Code Administrators (BOCA) 7. Southern Building Code Congress International (SBCCI) 8. National Fenestration Rating Council (NFRC) 9. Safety Glazing Certification Council (SGCC) 10. National Sunroom Association (NSA) 1.03 WORK NOT INCLUDED A. Electrical hook-up of accessories within the enclosure. B. Venting required within the enclosure. C. Related construction materials and labor necessary in preparing the enclosure site. Section 02315 - Excavation Section 03300 - Concrete Section 04200 - Masonry Division 15050, 15410 Mechanical Division 16010 Electrical D. Coverings to protect enclosure from the surrounding trades after enclosure is complete. 1.04 PERFORMANCE REQUIREMENTS A. Deflection – All load bearing members under any design load combination (including deadload) shall not exceed 1/180 of its clear span. B. Air Infiltration – Complies with testing per ASTM-E283 C. Static water resistance – Complies with testing per ASTM-E331 D. Dynamic water resistance – Complies with testing per AAMA-501.1 E. Wind loading – Withstands wind loads based on ANSI-A58.1/ASCE-7 guidelines and 80 mph wind, exposure C per Uniform Building Code. F. Live/snow loading – Withstands vertical roof loads based on ICBO/BOCA/SBCCI guidelines. Dead load – 10 lbs Live load – 30 lbs psf on horizontal projected areas or as required by the governing building code in which the structure is located, whichever is greater. Wind load – 80 mph psf on vertical projected areas or as required by the governing building code in which the structure is located, whichever is greater. G. Provide a pre-engineered weepage system that collects condensation and directs it to the exterior of the enclosure. H. Glazing performance requirements Clear glass with SilverCoat E Visible transmittance - 75 or greater Shading coefficient - 47 Relative heat gain - 98 U-Value - .24 1.05 SUBMITTALS A. Submit copies of shop drawings for Architect's review and approval prior to fabrication, including pertinent details for installation, anchorage of framing members, glazing, sealing, flashing, and adaptation of systems to specific project. Refer to Section 01300-Submittals B. Submit engineering calculations to the Architect, stamped and certified by a registered professional engineer attesting adequacy of system to meet required loads. C. Manufacturer's product data sheets specifying products, features, details, and usage. D. Product data sheets for all accessories used within the enclosure (i.e. fans, shades, coolers, and heaters). 1.06 SAMPLES A. Submit product samples, including glass, gasketry, and structural framing members. B. Submit aluminum samples representing manufacturer's standard aluminum finish colors. C. Submit fabric samples depicting colors and styles available for the Comfort Glide shading system. 1.07 DELIVERY, STORAGE, AND HANDLING A. Deliver materials to jobsite in manufacturer's packaging. B. Store off ground in a secure location that is a dry covered area, protected from weather conditions. C. Inspect and report any freight damages immediately to the manufacturer. 1.08 WARRANTY A. Provide complete manufacturer's 25 year limited warranty agreement on defects of materials and one year on labor. B. Provide complete warranty information on all manufacturers providing accessories within the enclosure (i.e. fans, coolers, heaters, shades, etc). Part 2 Products 2.01 ACCEPTABLE MANUFACTURERS A. Sunshine Rooms, Inc., 3333 N. Mead, Wichita, KS 67219 1-800-222-1598 or 316-838-0033 2.02 MATERIALS – A. Structural Framing System 1. Frame: Primary glazing bars shall be 2 1/4" wide and either 3.25", 5.75", or 8.5" deep. Structural engineering shall determine the size of glazing bar per application. 2. Structural Aluminum Members: shall be extruded aluminum 6005-T5 alloy, non- structural members shall be 6063-T5. 3. System shall be thermally broken throughout, including operable windows. Thermal break materials shall be polyurethane. 4. All exposed aluminum extrusions shall be finished with electrostatically applied, baked PPG Duracron enamel. Finish to meet AAMA specification 603.8. Choose from the manufacturer's standard colors (bronze, white, or almond). 5. System shall incorporate Tear-Duct Weepage Control System. Internal and external moisture diversion channels shall be extruded in the aluminum bars to divert moisture to the outside of unit. Condensation channels shall drain into a sloping sill design. 6. Framing components shall have internal (built-in) shade tracks extruded into the bar. Shade track must be designed in conjunction with the Comfort Glide Shade System by Thermal Designs of Boulder, Colorado. Surface-mounted shade tracks shall not be accepted. 7. Exterior horizontal muntin assemblies shall not extend higher than 1/16" above the glass. 8. Visible fasteners shall not be accepted. 9. Sill and/or subsill assembly to be supplied by manufacturer. Sill flashing fabricated in the field will not be permitted. 10. The sill shall be sloped and channeled to force moisture outside the unit. 11. The standard distance between structural glazing ribs shall be 38 ¼". 12. Exterior bar cap cover shall cover the entire surface without seams or joints. 13. Primary structural glazing bar shall have an accessory screw channel extruded into it. Exposed fasteners and holes drilled in structural bars will not be permitted. 14. Operable outswing awning windows shall be located at positions shown on the drawings. Constructed of the same materials as the greenhouse structure. Fully weatherstrip and provide all necessary operating hardware. B. Gasketry and Glazing Tape 1. Gaskets shall be EPDM or Santaprene with a 60-70 durometer and compatible with all contact materials. 2. Glazing tape shall be closed cell, neoprene rubber with double side adhesive. 3. Glass setting blocks shall be 90 durometer EPDM or Santaprene. C. Fasteners 1. All connections shall be made with stainless steel fasteners, meeting ASTM standard A276. 2. Lag screws shall be plated low carbon steel. Lag shall not penetrate the sub-sill flashing provided by the manufacturer. D. Silicone Sealant 1. Silicone sealant shall meet or exceed federal specifications TTS-001543A. 2. Sealants shall match color of adhering surfaces, as approved by the architect and manufacturer. E. Glazing 1. Glass shall consist of insulated glass panels with an overall thickness of 1". 2. Insulated glass units shall be manufactured in accordance to the standard and procedures as outlined by FGMA and IGCC. All glass panels shall carry a manufacture's warranty to the Owner that the factory sealed insulated glass of the product will be free from defects in material for a period of ten (10) years from the date of Substantial Completion. 3. The outboard lite shall consist of: ? 1/8" fully tempered glass panel – clear 4. The inboard lite shall consist of : ? Vertical areas and curve - 1/8" fully tempered glass – clear (including the curved panels) ? Overhead glazing – ¼" laminated glass with .030 polyvinyl film 5. All glass shall be treated with multiple low emissivity coatings. Recommend coating to be "Silver Coat E" by Sunshine Rooms. (See performance requirements for glass energy specifications.) 6. Insulated glass units shall be constructed utilizing a stainless steel spacer bar. Each vertical leg of the spacer bar shall be filled with moisture absorbing desiccant. All spacer bars are to have bent corners. Spacer bars being cut and connected with corner keys shall not be accepted. 7. The air space between the insulated glass panes shall be filled with Argon gas according to the guidelines set for by the IGCC. 8. Insulated glass units shall be hermetically sealed utilizing a dual seal system. Primary seal shall consist of polyisobutylene; the surrounding seal shall be of silicone. All sealant and the sealing process shall be in accordance to IGCC. 9. All glass panels in the roof, curve, vertical walls, and gable ends shall have a minimum of 36" daylight opening, except in customized areas of the unit. 2.03 FINISH A. All visible aluminum extrusions shall be exterior grade PPG Duracron / Polycron paint finish and shall meet or exceed the physical test requirements of AAMA specifications 603.8 B. Paint finish shall be electrostatically applied and baked in accordance to AAMA specifications 603.8. C. Standard colors as selected by Architect 2.04 ACCESSORIES A. Please refer to our Accessories specification and/or call Sunshine Rooms for assistance. Accessories dramatically offset the performance and cost of a greenhouse classroom. Our design engineer will be glad to assist you in creating an appropriate accessory package for your project. 2.05 FABRICATION A. All fabrication shall be done according to the final set of approved shop drawings. Approved shop drawings shall supercede all previous blueprints or documents. B. All major fabrication shall be performed at the manufacturing location. C. Manufacturer must be notified prior to any field fabrication or modifications. Part 3 Execution 3.01 SITE PREPARATION AND INSPECTION A. General contractor shall direct, supervise, and inspect all site work related to the enclosure. Site preparation must be in accordance to the final shop drawings provided by enclosure manufacturer and approved by the architect. Related site work must be level, square, and plumb. All dimensions must be according to the final shop drawings. B. Enclosure contractor shall examine surrounding structure and the conditions under which the work is to be performed, and notify the General Contractor and Architect in writing of any conditions detrimental to the proper and timely completion of job. Enclosure installation shall not proceed until any and all unsatisfactory conditions have been corrected in an acceptable manner to the enclosure contractor. 3.02 INSTALLATION A. Shall be in accordance with manufacturer's installation instructions and performed by an installer with at least 5 years of related experience. 3.03 CLEANING A. Enclosure contractor shall keep area neat, clean, and safe at all times. B. Remove excess sealant compounds from aluminum and glass surfaces promptly after completion. C. Enclosure contractor to condense all trash and debris into trash receptacle provided by the general contractor. D. Enclosure contractor shall clean the entire enclosure one time, at time of installation. All subsequent cleaning will be the responsibility of the general contractor. 1