Completing Your Specification For
An Architectural Grade Classroom Greenhouse
(Level II)

At this point you should have already made these decisions:

  • Level of greenhouse
  • Architectural style
  • Frames finish
  • Glazing selection
  • Decisions on optional equipment

Instructions:

Step 1. Select your desired specification, Level I, II, III, or IV. Open the file and begin creating your greenhouse specification.

Step 2. [Script highlighted in RED and enclosed in brackets are intended to be instructions for that portion of the specifications]. After completing the task, which usually requires making a selection delete the red script from the specification.

Step 3. Scripts highlighted in BLUE are selection items. Change the item you want to use to BLACK text and delete all the other blue text in that area of the specification.

Step 4. Add the project name at the top of each page and the correct page numbering system at the bottom.

Step 5. Refer to the value engineering sections to assist you in creating a greenhouse using our standard styles, sizes, and dimensions.

Step 6. Delete this page from your new specification and copy and paste it into your master specification document.

Please call Crystal Structures/Sunshine Rooms at 316-838-0033, size, model type, and additional design assistance. Thank you!

SECTION 13 34 13.13
ARCHITECTURAL GRADE CLASSROOM GREENHOUSE
(A Mid-level greenhouse, Level II)

PART 1 GENERAL

1.01 SECTION INCLUDES

  1. Furnish and install a pre-fabricated, pre-engineered ALL ALUMINUM and glass structure designed to function as a classroom greenhouse.
  2. Accessories and equipment
  3. Glazing and gaskets
  4. Sealants, caulking, joint fillers

1.02 RELATED SECTIONS

  1. Related construction materials and labor necessary in preparing the glazed structure site. This related work to be provided by other trades.
  2. Section 02315 – Excavation
  3. Section 03300 – Concrete
  4. Section 04200 – Masonry
  5. Division 15050, 15410 – Mechanical
  6. Division 16010 – Electrical and control wiring

1.03 REFERENCES

Conform to the following codes, specifications, and standards (where applicable).

    1. American Architectural Manufacturers Association (AAMA)
    2. Flat Glass Marketing Association (FGMA)
    3. American National Standards Institute (ANSI)
    4. National Greenhouse Manufactures Association (NGMA)
    5. Insulating Glass Certification Council (IGCC)
    6. International Conference of Building Officials (ICBO)
    7. Building Officials & Code Administrators (BOCA)
    8. Southern Building Code Congress International (SBCCI)
    9. National Fenestration Rating Council (NFRC)
    10. Safety Glazing Certification Council (SGCC)
    11. National Sunroom Association (NSA)

1.04 WORK NOT INCLUDED

  1. Electrical hook-up and control wiring of accessories within the greenhouse.
  2. Coverings to protect the greenhouse from the surrounding trades after the greenhouse is complete.
  3. Plumbing-related items necessary to operate equipment and accessories such as gas lines and flues, water supply, and drain lines, etc.
  4. Training, unless noted otherwise within this section.

1.05 PERFORMANCE AND DESIGN REQUIREMENTS

  1. Maximum Allowable Deflection – All load-bearing members under any design load combination (including dead load) shall not exceed L/180 of its clear span.
  2. Structural Performance Requirements include providing a certified engineering report and calculations on the system performed by a professional engineer who is licensed with the appropriate state. All reports and calculations shall be stamped accordingly.
  3. Live/snow loads – Withstands vertical roof loads based on ICBO/BOCA/SBCCI guidelines. The structure must meet the design load requirements of the prevailing Commercial Building Codes in effect for the local area. In most, if not all areas these codes will supersede the traditional greenhouse building codes, which are not acceptable.
  4. Air Infiltration – Supply certified testing reports adhering to the requirements set forth by ASTM-E283-4, 6.24 PSF, and 300 Pa.
  5. Static water resistance – Supply certified testing reports adhering to the requirements set forth by ASTM-E331, 20 PSF, and 950 Pa.
  6. Dynamic water resistance – Complies with testing per AAMA-501.1
  7. Wind loading – Withstands wind loads based on ANSI-A58.1/ASCE-7 guidelines and 90 mph wind, exposure C per Uniform Building Code or local requirements, whichever is greater.
  8. Provide a pre-engineered weepage system that collects condensation and directs it to the exterior of the greenhouse.
  9. The aluminum framing system shall be thermally broken which will significantly reduce the transfer of heat and cold through the frame and reduce condensation on and within the framing members.
  10. Glazing performance requirements – See Glazing selections within this section.
  11. LEED program /Green Design, using recycled aluminum content of more than 60%

1.06 SUBMITTALS

A. Submit [add quantity] _____ copies of shop drawings per Section 01300 to the Architect for review and approval before fabrication. Shop drawings to address the following items;
  1. Product anchorage of framing members
  2. Foundation layout guide (excluding foundation design or engineering)
  3. Framing connection and details
  4. Glazing methods and sealing procedures
  5. Flashings
  6. Special adaptations of systems to specific project requirements

B. Manufacturer’s product data sheets specifying products, features, details, and usage.
C. Data sheets for all accessories used within the greenhouse (i.e. fans, shades, coolers, and heaters).

D. Submit [add quantity] _______product samples as follows;
  1. Provide 12” x 12” glazing samples
  2. Structural framing members
  3. Aluminum samples that represent the manufacturer’s standard aluminum finish colors.

1.07 DELIVERY, STORAGE, AND HANDLING

  1. Deliver materials to the job site freight prepaid.
  2. Retain and leave intact all manufacturers’ packaging.
  3. Take extra precautions when unloading and storing materials to protect all prefinished surfaces and all glazing materials.
  4. Store off-ground in a secure location that is a dry, covered area and protected from weather conditions.
  5. Inspect and report any freight damages immediately to the manufacturer.

1.08 WARRANTY

Provide a complete manufacturer’s limited warranty agreement on the following materials.

  1. The structural aluminum frame has a 10-year limited warranty against manufactured defects and a lifetime warranty on aluminum members against rust.
  2. Frames finish [SELECT ONE AND DELETE THE OTHERS]
    • PPG Acrylic Duracron (meets AAMA 2603)– Limited 5 years against fading, peeling, and chalking
    • Class I Anodized finish (meets AAMA 611) – Limited 10-year against corrosion and finish deterioration
    • 2 coat Fluoropolymer finish (meets AAMA 2605) – Limited 10-year warranty against peeling, fading, and chalking
    • 3 coat Fluoropolymer finish (meets AAMA 2605) – Limited 15-year warranty against peeling, fading, and chalking

Installation – Limited one-year warranty against defective workmanship.

Glazing – [SELECT GLASS OR POLYCARBONATE AND DELETE THE OTHER]
  • Glass – A  limited 20-year warranty against seal failure as per the original manufacturer’s warranty.
  • Polycarbonate – Limited 10-year warranty against visible yellowing, per original manufacturer’s warranty.

Provide complete warranty information on all manufacturers providing accessories within the greenhouse (i.e. fans, coolers, heaters, shades, etc). These manufacturers will supply their standard warranty.

1.08 SCHEDULING AND COORDINATION

  1. No concrete or other related construction (in the area) work shall commence until the shop drawings have been approved by the architect and general contractor.
  2. All related construction work such as foundations, knee walls, stem walls, door openings, etc. shall be governed by the approved shop drawings.
  3. General contractor to coordinate and contract with all sub-contractors providing electrical, plumbing, HVAC, control wiring, etc. to the structure.
  4. Field dimensions will be obtained by a general contractor or architect and forwarded to the structure manufacturer.  The general contractor will be responsible for ensuring all job site dimensions will be built to the approved glazed structure shop drawings.
  5. Coordinate all work through the general contractor.

1.09 QUALITY ASSURANCE

  1. Manufacturer Qualifications: The company shall have at least 10 years of experience in the manufacturing and erection of glazed at a similar size and scope as this project. The manufacturer will be responsible for the installation of the structure.
  2. Installer Qualifications: The installer shall have at least 5 years of experience in the erecting of glazed structures at a similar size and scope as this project. The installer will work directly for the manufacturer, providing the owner with a single source provider.

PART 2 – PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS – Product based on Crystal Structure’s model

Insert model or style, as provided by: 
  1. Crystal Structures, Commercial Division of Sunshine Rooms, Inc.
    3333 N. Mead
    Wichita, KS 67219
    1-800-222-1598 / 316-838-0033 / Fax 316-838-0839
    sunshinerooms.com / crystalstructuresglazing.com
  2. Substitution requests as per Section 01600.

2.02 MATERIALS

Structural Framing System

    1. Structural Aluminum Members: Shall be extruded aluminum from 6061-T6 or 6005-T5 alloy, non-structural members shall be 6063-T5.
    2. All interior horizontal aluminum members shall utilize poured and de-bridged thermal barrier technology using polyurethane as the thermal barrier.
    3. Exterior horizontal mullion assemblies shall not extend higher than 1/8” above the glazing.
    4. Exterior “snap-on” bar cap covers shall cover the entire surface of the bar cap without seams, fasteners, or joints. Exposed exterior fasteners are unacceptable.
    5. The frame system shall incorporate a pre-engineered weepage system that is capable of collecting moisture and forcing it to the exterior of the greenhouse.
    6. Primary vertical aluminum members shall have a built-in “accessory track” capable of accepting machine screws without drilling holes into the aluminum for the hanging and relocating of accessories.
    7. Primary vertical aluminum members shall incorporate built-in shade tracks that will allow the installation of a shade system without drilling holes into the aluminum and adding mounting hardware.
    8. Internal structural stiffeners: To meet higher design loads, internal stiffeners will be allowed, provided they have been pre-engineered and installed within the interior of the main rafters. Internal stiffeners shall be aluminum and the alloy shall be 6061-T6. “BOLT-ON” BEAMS OR OTHER MECHANICAL ENHANCEMENTS WILL NOT BE ALLOWED.
    9. Pan flashings will be a minimum of 0.04” thick and shall be in the same finish as the frame. Exterior flashings more than 6” wide will be increased to a minimum thickness of 0.063” and in the same finish as the frame.

Gaskets, Glazing Tape, and Setting Blocks

    1. 1. Gaskets shall be EPDM or Santoprene with a 60-70 durometer and compatible with all materials it comes in contact with.
      2. Gaskets shall comply with the ASTM-C-864 standards.
      3. Gaskets to be multi-finned style designed to significantly reduce water penetration.
      4. Glazing tape shall be closed cell, PVC foam rubber with double-sided acrylic adhesive.
      5. Glass setting blocks shall be made of flexible PVC and be compatible with

       

      • [Select one] insulated glass / polycarbonate.

Fasteners

    1. All connections shall be made with 18-8 stainless steel fasteners.
    2. Anchor bolts shall be 18-8 stainless steel and shall be identified in detail in the job-specific shop drawings and engineering reports. Anchor bolts shall not penetrate the sub-sill flashing provided by the manufacturer.
    3. Exposed fasteners should be avoided wherever possible; if necessary they shall be painted to match the system’s frame.

Silicone Sealant

    1. Areas within the glazing area.
    2. Silicone sealant shall meet or exceed federal specifications TTS-001543A.
    3. The color shall be black to match the other glazing rubber at all joints of metal to glazing.
    4. The color shall match the frame color (within reason) on joints that are metal to metal.

Joints that connect to the adjacent building(s).

  1. Use an adhesive silicone, GE SilPruf, or equal.
  2. Color to be black.

Glazing shall be as follows.

[Select glass or polycarbonate glazing and delete the other]
  • Insulated glass with the following configuration.
      • Outboard light – 1/8” fully tempered clear glass
      • Air space – Stainless steel spacer with dual seals of polyisobutylene/silicone and argon gas
      • Inboard light – Vertical – 1/8” fully tempered clear glass
         Roof Area – ¼” HS clear laminated with .030 PVB film
  • Hi-performance coating – Silver Coat E366 on surface
    Performance criteria shall be:
    U-factor = .24
    Daylight transmission = 66
    Relative heat gain = 66
    Solar heat gain coefficient= .27
    Light to solar gain (LSG) = 2.41
 [IF POLYCARBONATE IS DESIRED, DELETE ABOVE SPECIFICATIONS FOR GLASS, THEN SELECT FROM ONE OF THE OPTIONS BELOW AND DELETE THE OTHER.  25MM IS PREFERRED FOR ITS ENERGY PERFORMANCE, 8MM IS USED STRICTLY FOR BUDGETARY CONCERNS]
  1. Triple wall 25mm clear polycarbonate glazing by Gallina USA.
    1. All horizontal edges shall be sealed with sealing and vent tape at appropriate locations.
    2. Performance criteria shall be:
      U-factor = .34
      Daylight transmission = 72%
      Solar factor = 78
      Shading Coefficient = .75
  2. All glazing panels shall have a UV coating on the exterior surface
  3. Polycarbonate panels to have a certified fire spread rating of 10 and a certified smoke-developed index of 20 as per ASTM-E84-4 testing procedures.

 

  1. Double wall 8mm clear polycarbonate glazing by Gallina USA.
    1. All horizontal edges shall be sealed with sealing and vent tape at appropriate locations.
    2. Performance criteria shall be:
      U-factor = .58
      Daylight transmission = 81%
      Solar factor = 82
      Shading Coefficient = .94
  2. All glazing panels shall a UV coating on the exterior surface.
  3. Polycarbonate panels to have a certified fire spread rating index of 10 and a certified smoke developed index of 20 as per ASTM-E84-4 testing procedures.
2.03 FRAME FINISH [REFER TO PAGE 5 OF THE DESIGN GUIDE WHEN MAKING YOUR SELECTION FOR THE FRAMES FINISH. SELECT ONE, THEN SELECT THE COLOR, THEN DELETE ALL SPECIFICATIONS NOT USED]
  1. All visible aluminum extrusions shall have a factory-applied, baked acrylic finish using PPG Duracron and shall adhere to the physical test requirements of AAMA 2603 specifications with a  5-year warranty.
Color selection: [SELECT ONE AND DELETE THE OTHERS]
  • White
  • Bronze
  • Custom – a full range of supplier’s standard color selections (architects’ choice).
    • Custom – (architect’s choice).

All visible aluminum extrusions shall have an anodic Class 1 finish of at least 0.7 mil thickness (18 microns) and meet or exceed the specifications outlined in AAMA 611 with a 10-year warranty.

Color selection: [SELECT ONE AND DELETE THE OTHERS]
  • Clear
    • Medium bronze
    • Custom – Full range of suppliers offerings (architect’s choice).

All visible aluminum extrusions shall have a factory-applied, baked-on, 70% PVDF fluoropolymer resin-based coating (Fluropon or Fluropon Classic II) as manufactured by the Valspar Corp. Coating shall meet or exceed the AAMA 2605 specification.

Color selection and type; [SELECT ONE AND DELETE THE OTHERS]
  • Fluropon (10-year warranty) – Standard White.
  • Fluropon (10-year warranty) – Standard Bronze.
    • Fluropon 2 coat (10-year warranty) – Color selected from the supplier’s standard solid color chart (architect’s choice).
  • Fluropon Classic II 2 coat (10-year warranty) Metallic – Color selected from the supplier’s standard color chart (architect’s choice).
    • Fluropon 2 coat (10-year warranty) – Custom color to be selected by the architect.
      • Fluropon 3 coat (20-year warranty) – Color to be selected from supplier’s standard color chart (architect’s choice).
    • Fluropon 3 coat (20-year warranty) – Custom color to be selected by architect.

All visible aluminum extrusions will be finished utilizing the following two-tone paint scheme.

Interior portion – shall have a factory-applied, baked acrylic finish using PPG Duracron and shall adhere to the physical test requirements of AAMA 2603 specifications with a 5-year warranty.

Color selection: [SELECT ONE AND DELETE THE OTHERS]
  • White
  • Bronze
    • Exterior portion – shall have a factory-applied, baked-on 70% PVDF fluoropolymer resin-based coating (Fluropon or Fluropon Classic II) as manufactured by the Valspar Corp. Coating shall meet or exceed the AAMA 2605 specification.
Color selection and type: [SELECT ONE AND DELETE THE OTHERS]
  • Fluropon (10-year warranty) – Standard White.
  • Fluropon (10-year warranty) – Standard Bronze.
    • Fluropon 2 coat (10-year warranty) – Color selected from the supplier’s standard solid color chart (architect’s choice).
  • Fluropon Classic II 2 coat (10-year warranty) Metallic – Color selected from the supplier’s standard color chart (architect’s choice).
  • Fluropon 2 coat (10-year warranty) – Custom color to be selected by the architect.
  • Fluropon 3 coat (20-year warranty) – Color to be selected from supplier’s standard color chart (architect’s choice).
  • Fluropon 3 coat (20-year warranty) – Custom color to be selected by architect.

All finishes of the related equipment as defined in Sec 2.06 of this specification shall be as per the original manufacturer’s specified finish. These finishes may or may not match the greenhouse frame finish. To preserve the original warranty, they will not be painted to match the greenhouse frame.

2.04 FABRICATION                                       

  1. All fabrication shall be done according to the final set of approved shop drawings.  Approved shop drawings shall supersede all previous blueprints or documents.
  2. All major fabrication shall be performed at the manufacturing location.
  3. The manufacturer must be notified before any field fabrication or modifications.
  4. All welding will comply with the recommendations set forth by the American Welding Society.
  5. Perform all work in such a manner that it will meet or exceed industry standards.
  6. Dissimilar metals will be separated with suitable materials as required to prevent galvanic action between the metals.

2.05

PRIMARY ACCESSORIES (Vents and doors manufactured by or for the greenhouse manufacturer)

  1. Side wall vents – Supply awning-style vents in quantity as shown on the drawings. Vents to have thermally broken frames and sashes and be manually operated using a hand crank at the base of vent. Size to be 36”w x 24”h, glazing shall match the greenhouse and Charcoal Fiberglass mesh screens.
  2. Ridge Vents– Supply awning style vents located at the ridge in a quantity as shown on the drawings. Vents to have thermally broken frames and sashes and motorized operation (see sec. 2.06 of this specification). Size to be 36”w x 24”h, glazing shall match glazing in greenhouse and charcoal fiberglass mesh screens.
  3. Operable door(s) – Supply and install 3’ x 7’ narrow stile commercial grade door as manufactured by Manko Window Systems (Series 100), with offset pivot hinges and glazing to match the greenhouse.
    MS hook bolt locking device by Adams Rite (1-1/8” maximum throw) with 1” round offset pull handle and push bar. Regent #3354 surface mounted closure.
    [IF PANIC HARDWARE IS DESIRED DELETE THE MS LOCKING DEVICE BY ADAMS RITE AND REPLACE WITH THE FOLLOWING SPECIFICATION] OPTIONAL PANIC HARDWARE – Rim latching panic devices by First Choice (3700 series).

2.06  MECHANICAL EQUIPMENT provided by the greenhouse manufacturer, manufacturer by others

  1. Motorized Operation for Side Wall and Ridge Vents – Each row of vents (side wall and ridge) shall be operated by using Lock’s Scissor Arm Operators and Lock’s Power Drive Motor system. Model and HP rating to be determined by greenhouse manufacturer. Scissor Arm Operators shall be concealed by using Lock’s safety covers. Motors to be controlled by the environmental control system. Rack and pinion systems will not be allowed.
  2. Air Intake Shutters – Supply and mount motorized air intake shutters as shown on drawings. Shutters shall be manufactured by American Coolair (Model LRW-E) with all aluminum frame and blades, reinforcing brackets and nylon bearings. Shutters to be controlled by the environmental control system.
  3. Roof fan(s) – Supply and mount roof fans as shown on drawings. Fan(s) to be Wesper (Model TC-1000, 1000 CFM, 115v, motorized and insulated damper and grill). Surrounding panel to match the color of the greenhouse frame. Thermostat controlled. Fan hood to be white or bronze color.
  4. Horizontal Air Flow Fans (HAF) – Supply and mount fans as shown on drawings. Fans to be manufactured by Schaefer (Model VT-12PA, 1554 CFM, 115V, wire basket and hanging kit).
  5. Environmental Control System – Supply and mount an entry level control system in location as shown on drawings. Control system shall be Wadsworth MiniSTEP 4 stage control system with pre-wired contactor panel, blueprints, control schematics, wiring layout for installation (installation by electrical contractor), LCD display of temperature, mode and output status, keypad, corrosion resistant cabinet (6”x14”x16”) and 75’ temperature cable.
  6. Heater – Supply and mount heater as shown on drawings. Gas heater to be manufactured by Modine, (Hot Dawg series with stainless steel heat exchanger, 115v). Size to be specified by greenhouse manufacturer. Supply LP conversion kit if required.
  7. Shade System – Supply and install Comfort Glide shade system by Thermal Designs in roof area. Shades to be manual operated with use of pull cords and pulleys. ALL HARDWARE TO BE RECESSED WITHIN GREENHOUSE RAFTERS ABOVE THE SHADES. THE ONLY EXPOSED HARDWARE SHALL BE THE PULL CORDS AND WALL CLEATS. Fabric and color selection by architect.
  8. Equipment hook up – All mechanical equipment supplied by the greenhouse supplier shall be mounted in its proper place by the greenhouse contractor. All wiring, control wiring, plumbing, water lines, discharge lines, flues, gas lines, etc. will be the responsibility of the general contractor and other licensed sub contractors, including coordination.
  9. Equipment training – Greenhouse contractor shall not be responsible for training the owner on the operation of the equipment.

[Optional equipment to consider in Level I, make your selections and delete the others, change letters accordingly]

 ADDITIONAL EQUIPMENT provided by the greenhouse manufacturer.

  1. Greenhouse Benches for Growing – Supply and erect aluminum framed benches with stationary legs and “kid-friendly” plastic tops. Benches to be 3’ wide with lengths of 3’, 4’, or 6’ long as per drawings.
  2. Potting and Working Benches / Tables – Supply and erect workbenches per drawing, Bench to be 30”x 60” stainless steel 4” backsplash, without sink.

PART 3 – EXECUTION

3.01 SITE PREPARATION, UNLOADING, LIFTING AND INSPECTION

  1. The glazed structure contractor shall direct, supervise, and inspect all site work related to the structure.  The site must be prepared according to the manufacturer’s final shop drawings, which have been approved by the architect. Related site work must be level, square, and plumb.  All dimensions must be according to the final shop drawings.
  2. The structure contractor shall examine the 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 the job.  Installation shall not proceed until all unsatisfactory conditions have been corrected in a manner acceptable to the structure contractor.
  3. Structure contractor to supply all labor necessary to unload all of its materials from delivery trucks.
  4. The general contractor, under the supervision of the glazed structure contractor, will lift the structure components to desired working / installation heights on projects in which the structure is located above ground level. General contractor to accept all associated lifting costs.
  5. The structure contractor shall deliver all related operating instructions, maintenance manuals, and warranty registration cards to the general contractor before the completion of the project.

3.02 INSTALLATION

  1. Shall be completed according to the manufacturer’s installation instructions and performed by an installer with at least 5 years of related experience.
  2. All work performed will be at or above industry standards.
  3. All workmen will follow all safety rules or conditions as set forth by the general contractor

3.03 CLEANING

  1. The structure contractor shall keep the area neat, clean, and safe at all times.
  2. Remove excess sealant compounds from aluminum and glass surfaces promptly after completion.
  3. The structure contractor will place all trash and debris into the trash receptacle provided by the general contractor.
  4. The structure contractor shall clean the entire greenhouse one time, at the time of installation.  All subsequent cleaning will be the responsibility of the general contractor

END OF SECTION