Attachment 5 Specifications.pdf

Melaleuca Research & Quarantine Facility RFP DACW17-01-R-0015

08810-2 openings, frame details, materials, and types of thickness of glass.

SD-13 Certificates

Glass; FIO|A-E.

Certificates stating that the glass meets the specified requirements. Labels or marking affixed to the glass will be accepted in lieu of certificates.

SD-14 Samples

Glass; G|A-E.

Two 8 x 10 inch samples of each type of glass.

1.3 SYSTEM DESCRIPTION

Glazing systems shall be fabricated and installed watertight and airtight to withstand thermal movement and wind loading without glass breakage, gasket failure, deterioration of glazing accessories, and defects in the work. Glazed panels shall comply with the safety standards, as indicated in accordance with ANSI Z97.1. Glazed panels shall comply with indicated wind loading in accordance with ASTM E 1300.

1.4 PERFORMANCE REQUIREMENTS

Exterior glazing shall comply with South Florida Building Code, 1999 Broward County Edition specific requirements for “Impact Tests for Windborne Debris” and other requirements.

1.5 DELIVERY, STORAGE AND HANDLING

Glazing compounds shall be delivered to the site in the manufacturer's unopened containers. Glass shall be stored indoors in a safe, well ventilated dry location in accordance with manufacturer's instructions, and shall not be unpacked until needed for installation. Glass shall not be stored on site over 1 month.

1.6 PROJECT/SITE CONDITIONS

Glazing work shall not be started until outdoor temperature is above 40 degrees F and rising, unless procedures recommended by glass manufacturer and approved by Contracting Officer are made to warm the glass and rabbet surfaces. Ventilation shall be provided to prevent condensation of moisture on glazing work during installation.

Glazing work shall not be performed during damp or raining weather.

1.7 PAYMENT

No separate payment will be made for the materials and work specified in this section and all appropriate costs in connection therewith or incidental thereto shall be included in the applicable contract price for the item to which the material and work pertains.

PART 2 - PRODUCTS

2.1 PRIMARY GLASS PRODUCTS

Float Glass Type I (transparent glass, flat), Class 1 (clear) or Class 2 (tinted), Quality q3 (glazing select). Tinted glass shall match Libbey Owens Ford “Grey”.

2.2 INSULATING GLASS

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Insulating glass shall be Class A preassembled units of dual-seal construction consisting of lites of glass separated by an aluminum spacer and dehydrated space conforming to ASTM E 773 and ASTM E 774. Aluminum spacer shall be roll-formed, with bent or tightly soldered joints to completely seal the spacer periphery and eliminate moisture and hydrocarbon vapor transmission into airspace through the corners. Primary seal shall be compressed polyisobutylene and the secondary seal shall be a specially formulated silicone.

a. For properties of individual glass panes making up units, refer to product requirements specified elsewhere in this section, applicable to types, classes, kinds and conditions of glass products indicated.

b. Provide heat-treated panes of kind and at locations indicated or, if not indicated, provide heat-strengthened panes where recommended by manufacturer for application indicated and tempered where indicated or where safety glass is designated or required.

2.2.1 Performance Classification

Per ASTM E 774, Class A.

2.2.1.1 Thickness of Each Pane

1/4 inch u.n.o.

2.2.1.2 Air Space Thickness

1/2 inch.

2.2.1.3 Sealing System

Manufacturer's standard.

2.2.1.4 Spacer Material

Manufacturer's standard metal.

2.2.2 Desiccant

Manufacturer’s standard: Either molecular sieve or silica gel or blend of both.

2.2.3 Corner Construction

Manufacturer’s standard corner construction.

2.3 HEAT-TREATED GLASS

Heat-treated glass shall conform to the following requirements.

2.3.1 Tempered Glass

Tempered glass shall be kind FT fully tempered transparent flat type, clear or tinted, as scheduled, condition A uncoated surface, Quality q3 - glazing select. Tinted glass shall match Libbey Owens Ford “Grey”.

2.4 LAMINATED GLASS

2.4.1 General

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Refer to primary and heat-treated glass requirements relating to properties of glasses making up laminated glass products.

2.4.2 Plastic Interlayer

Provide standard polyvinyl butyral interlayer for laminating panes of glass, with a proven record of showing no tendency to bubble, discolor or lose physical or mechanical properties after laminating and installation or as required to comply with Performance Requirements.

2.4.3 Laminating Process

Fabricate laminated glass using laminator’s standard process to produce glass free from foreign substances and air/glass pockets.

2.4.4 Laminated Safety Glass

Two panes of glass of equal thickness u.n.o. laminated together with not less than 0.060” thick plastic interlayer, unless otherwise required to comply with impact tested assembly requirements, and complying with requirements indicated below:

2.4.4.1 Glass Characteristics

Float glass, complying with requirements for class, tint, kind and thickness of each pane (ply) as scheduled.

2.5 GLAZING TYPES

2.5.1 G-1 (Exterior Curtainwall/Storefront Except Doors)

1” tinted, insulating, impact resistant glazing. See Section 08921 ALUMINUM CURTAINWALL/STOREFRONT

SYSTEM.

2.5.2 G-2

1” clear, insulating glass; exterior pane- 1/4" clear, fully tempered glass, interior pane- 1/4" clear, fully tempered glass.

2.5.3 G-3 (Interior Hollow Metal Doors with Clear, Impact Resistant Glazing)

7/16” (1/4” + 3/16”) clear, laminated, tempered glass with .070 “Saf-Glas” PVB innerlayer.

2.5.4 G-4 (Interior Storefront Windows with Clear, Impact Resistant Glazing)

7/16” (1/4” + 3/16”) clear, laminated, tempered glass with .070 “Saf-Glas” PVB innerlayer. See Section 08921

ALUMINUM CURTAINWALL/STOREFRONT SYSTEM.

2.5.5 G-5

1/4” clear, fully tempered float glass.

2.5.6 G-6 (Clear, Impact Resistant Glazing)

7/16” (1/4” + 3/16”) clear, laminated, tempered glass with .070 “Saf-Glas” PVB innerlayer.

2.5.7 G-7 (Exterior Greenhouse Glazing (Spandrel))

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1-1/4” +/- insulating, impact resistant glazing. See Section 13123 GREENHOUSE GLAZING SYSTEM, ENTRY

CANOPY SYSTEM AND ACCESSORIES.

2.5.8 G-7A (Exterior Greenhouse Glazing)

1-1/4” +/- clear, insulating, impact resistant glazing. See Section 13123 GREENHOUSE GLAZING SYSTEM, ENTRY CANOPY SYSTEM AND ACCESSORIES.

2.5.9 G-8

Not used.

2.5.10 G-9 (Exterior Aluminum Doors)

Tinted, laminated, impact resistant glazing. See Section 08410 ALUMINUM SWING DOORS.

2.5.11 G-10 (Interior Aluminum Doors)

Clear, laminated, impact resistant glazing. See Section 08410 ALUMINUM SWING DOORS.

2.5.12 G-11 (Exterior, Glazed Hollow Metal Doors)

Cclear, impact resistant, polycarbonate glazing. See Section 08110 STEEL DOORS AND FRAMES.

2.5.13 G-12

Not used.

2.5.14 G-12A (Entrance Canopy)

Tinted, laminated, impact resistant glazing. See Section 13123 GREENHOUSE GLAZING SYSTEM, ENTRY

CANOPY SYSTEM AND ACCESSORIES.

2.6 GLAZING ACCESSORIES

2.6.1 Performed Tape

Performed tape shall be elastomeric rubber extruded into a ribbon of a width and thickness suitable for specific application. Tape shall be of type which will remain resilient, have excellent adhesion, and be chemically compatible to glass and metal.

2.6.2 Sealant

Sealant shall be elastomeric conforming the ASTM C 920, Type S or M, Grade NS, Class 12.5, Use G, of type chemically compatible with setting block, performed sealing tape and sealants used in manufacturing insulating glass. Color of sealant shall be clear.

2.6.3 Glazing Gaskets

Glazing gaskets shall be extruded with continuous integral locking projection designed to engage into metal glass holding members to provide a watertight seal during dynamic loading, building movements and thermal movements.

Glazing gaskets for a single glazed opening shall be continuous one-piece units with factory-fabricated injection-molded corners free of flashing and burrs. Glazing gaskets shall be in lengths or units recommended by manufacturer to ensure against pull-back at corners.

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2.6.3.1 Fixed Glazing Gaskets

Fixed glazing gaskets shall be closed-cell (sponge) smooth extruded compression gaskets of cured elastomeric virgin neoprene compounds conforming to ASTM C 509, Type 2, Option 1.

2.6.3.2 Wedge Glazing Gaskets

Wedge glazing gaskets shall be high-quality extrusions of cured elastomeric virgin neoprene compounds, ozone resistant, conforming to ASTM C 864, Option 1, Shore A durometer between 65 and 75.

2.6.3.3 Aluminum Framing Glazing Gaskets

Glazing gaskets for aluminum framing shall be permanent, elastic, non-shrinking, non-migrating, watertight and weathertight.

2.6.4 Setting and Edge Blocking

Neoprene setting blocks shall be dense extruded type conforming to ASTM D 395, Method B, Shore A durometer between 70 and 90. Edge blocking shall be Shore A durometer of 50 (+ or - 5). Silicone setting blocks shall be required when blocks are in contact with silicone sealant. Profiles, lengths and locations shall be as required and recommended in writing by glass manufacturer.

PART 3 – EXECUTION (REFER TO DRAWING I-2 FOR “QUARANTINE CONSTRUCTION NOTES”

AND “PRESSURE DECAY TEST” CRITERIA FOR ADDITIONAL REQUIREMENTS.)

3.1 PREPARATION

Opening and framing systems scheduled to receive glass shall be examined for compliance with approved shop drawings, GANA Glazing Manual and glass manufacturer's recommendations including size, squareness, offsets at corners, presence and function of weep system, face and edge clearance requirements and effective sealing between joints of glass-framing members. Detrimental materials shall be removed from glazing rabbet and glass surface and wiped dry with solvent. Glazing surfaces shall be dry and free of frost.

3.2 INSTALLATION

Glass and glazing work shall be performed in accordance with approved shop drawings, GANA Glazing Manual, glass manufacturer's instructions and warranty requirements. Glass shall be installed with factory labels intact and removed only when instructed. Edges and corners shall not be ground, nipped or cut after leaving factory.

Springing, forcing or twisting of units during installation will not be permitted.

3.3 CLEANING

Upon completion of project, outside surfaces of glass shall be washed clean and the inside surfaces of glass shall be washed and polished in accordance with glass manufacturer's recommendations.

3.4 PROTECTION

Glass work shall be protected immediately after installation. Glazed openings shall be identified with suitable warning tapes, cloth or paper flags, attached with non-staining adhesives. Protective material shall be placed far enough away from the coated glass to allow air to circulate to reduce heat buildup and moisture accumulation on the glass. Glass units which are broken, chipped, cracked, abraded, or otherwise damaged during construction activities shall be removed and replaced with new units.

END OF SECTION

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13123 - 6 acceptable, but not in combination with any reduction applied to combined loads. In no case shall allowable values exceed the yield stress.

b. Compression flanges of flexural members may be assumed to receive effective lateral bracing only from anchors to the building structure and horizontal glazing bars or interior trim which are in contact with 50% of the member's total depth.

c. The Greenhouse Glazing System And Entry Canopy Glazing System framing is designed to be self-supporting between the support construction. The Greenhouse Glazing System And Entry Canopy Glazing System will impose reactions to the support construction. All adjacent and support construction must support the transfer of all loads including horizontal and vertical, exerted by the Greenhouse Glazing System And Entry Canopy Glazing System. Design or structural engineering services for the supporting structure or building components not included in the Greenhouse Glazing System And Entry Canopy Glazing System scope are not included under this section.

1.6.2.4 Optional Limited Reaction Design

The Greenhouse Glazing System And Entry Canopy Glazing System framing is to be designed to exert no horizontal reactions under vertical gravity type loads, (dead, snow, live). Unbalanced live loads, (wind, seismic, etc.), acting upon the Greenhouse Glazing System And Entry Canopy Glazing System will produce horizontal reactions that cannot be controlled by the Greenhouse Glazing System And Entry Canopy Glazing System, but must be resisted by the support structure.

Refer to Drawing I-2 for additional requirements for Quarantine area.

17 PAYMENT

No separate payment will be made for the materials and work specified in this section and all appropriate costs in connection therewith or incidental thereto shall be included in the applicable contract price for the item to which the material and work pertains.

PART 2 - PRODUCTS

2.1 MANUFACTURER

Drawings and specifications of the specified glazing systems are based on “2.375 Skin System” by Super Sky, Inc.,

(800) 558-0467. Products similar in design and meeting all the requirements of the specifications and drawings shall be submitted for approval within twenty (20) days after Notice to Proceed is authorized and considered under standard substitution procedures. To request substitution approval, submit complete product data, specifications and other information to show compliance with contract document requirements and design intent. In addition, provide a list of five (5) projects of equal size and magnitude that have been successfully completed and operational for a minimum of two (2) years and evidencing not less than five (5) years experience in similar work. Name and location of project, name and address of general contractor, name and address of Architect shall be provided for each of the references.

2.2 DESIGN CRITERIA

The glazing systems shall be designed to meet South Florida Building Code, 1999 Broward County Edition Requirements and the design criteria shown in the structural drawings for live load and wind load.

a. Dead Load shall be designed based upon equipment supported by glazing system only.

b. Calculations prepared by a structural engineer shall be submitted to show that components and cladding will resist wind loads.

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c. The maximum allowable deflection for the support structure shall be 1/120 of the span.

2.3 EXPANSION AND CONDENSATION CONTROL

Suitable expansion joints shall be provided in all longitudinal members to take care of the longitudinal expansion in the aluminum. All members shall be so joined as to require each joint to handle the expansion in the individual member and to prevent an accumulation of expansion in several members in one direction. Roof glazing bars shall incorporate condensation gutters to conduct primary condensation to disposal points at the eave or gutter.

2.4 GREENHOUSE GLAZING SYSTEM AND ENTRY CANOPY ALUMINUM FRAME

Special care shall be taken in the fabrication of this aluminum work, and all tolerances shall be held to an absolute minimum in order to secure proper fit of the aluminum members specified.

2.4.1 Framework

2.4.1.1 Principal Supporting Members

0.125" minimum thickness extruded aluminum, alloy 6063-T5, 6063-T6, or 601-T6 per ASTM B 221. Sizes, shapes, and profiles (as per Super Sky Products' standard components) (as indicated on the Contract Drawings).

2.4.1.2 Snap-On Covers and Miscellaneous Non-Supporting Trim

0.062" minimum thickness extruded aluminum, alloy 6063-T5 per ASTM B 221.

2.4.1.3 Supporting Aluminum Gutters

Thickness as prescribed by Greenhouse Glazing System and Entry Canopy Glazing System engineer, based on reactions and applied design loads.

2.4.1.4 Principal Formed Metal Members

0.125" minimum thickness aluminum, alloy (5052)(6061-T6) per ASTM B 209.

2.4.2 Eave

An extruded aluminum eave shall be provided as indicated on the drawings. This member shall have a flange to receive glazing bars and shall be provided with weep holes to carry condensation collected from the underside of the roof to a plastic tube that extends from the eave to the floor inside the greenhouse. Any holes that provide an opening from the interior to the exterior of the greenhouse shall be plugged. An extruded adapter to accept stationary glazing shall be provided for fixed sidewall glazing applications.

2.4.3 Ridge

An extruded aluminum ridge shall be furnished and placed at the peak of the structure. Ridge shall be provided with a continuous socket hinge to receive fixed roof glazing.

2.4.4 Gable And Corner Trim

Specialty extruded gable and corner trim shall be provided to receive roof glazing bar, vertical side and gable glazing and glazing bars. This gable and corner trim shall be neatly mitered and spliced at the eave or gutter to provide a smooth detail at this point. These shall be securely fastened to the structural members, forming the gable end.

2.4.5 Glazing Panel Wall Sills

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Aluminum sills shall be provided as shown. Sills shall be as specified in Section 07600 SHEET METALWORK, GENERAL.

2.4.6 Exterior Glazing Bars

Extruded aluminum glazing bars shall be installed on 48" centers and properly attached to structure. Condensation gutters to conduct primary condensation shall extend the full length of the glazing bars. Roof, sidewall and gable glazing bars shall include an EPDM gasketed cap incorporating a rigid PVC thermal break. Cap shall be designed to exert a uniform, but not excessive pressure on the entire length of the glazing panel. Caps shall be held in place with 5/8" x #8 hex head stainless steel screws placed as required to withstand wind negative and positive loads as shown in structural drawings, on 9” centers minimum.

2.4.7 Gables And End Walls

Gables and end walls shall be constructed in a similar manner to the roof and sides using extruded aluminum shapes.

2.4.8 Glazing Strips

2.4.8.1 Extruded EDPM rubber designed to comply with the following specifications:

a. Hardness: ASTM D 2240 Type A. 50 (+/-5) durometer.

b. Tensile Strength: ASTM D 412. 800 psi (min.).

c. Elongation: 300% (min.).

d. Color: Black.

2.4.8.2 Compression Set

ASTM D 395 Method B, 22 hours @ 212 degrees F: 25% (max.).

2.4.8.3 Heat Aging Characteristics

a. 70 hours @ 212 degrees F.

b. ASTM D 2240 Hardness Change: +5 durometer.

c. ASTM D 412 Tensile Change: -10%.

d. ASTM D 412 Elongation Change: -20%.

2.4.8.4 ASTM D 1171 Weather Resistance at 1 Part Ozone per Million, 500 hours at 20% Elongation: No cracks.

2.4.8.5 No visual checks, cracks or breaks after completion of tests.

2.4.9 Setting Blocks

a. Extruded Type II silicone rubber designed to permit adhesion and comply with the following specifications:

(1) Hardness: ASTM D 2240 Type A 80 (+/-5) durometer.

(2) Color: Black.

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2.4.10 Fasteners

a. For Exterior Cap Retainers: ASTM A 193 B8 300 series stainless steel screws.

b. For Framework Connections: ASTM B 211 2024-T4 aluminum, ASTM A 193 B8 300 series stainless steel, and ASTM B 316 aluminum rivets, as required by connection.

c. For Anchoring Greenhouse Glazing System And Entry Canopy Glazing System to Support Structure: ASTM A 307 zinc plated steel fasteners.

2.4.11 Flashing

a. 5005 H34 Aluminum Stainless Steel, 18 gauge minimum thickness.

b. Sheet metal flashings/closures/claddings are to be furnished shop formed to profile in min. 10-ft.

lengths. When lengths exceed 10-ft., field trimming of the flashing and field forming the ends is necessary to suit as-built conditions. Sheet metal ends are to overlap 6-in. to 8-in. minimum, set in a full bed of sealant and riveted if required.

2.4.12 Frame Finish: See Section 09915 COLOR SCHEDULE.

2.4.13 Glass

2.4.13.1 Exterior Greenhouse Glazing

Clear, insulating, impact resistant glass (Type G-7A) to meet Broward County Impact Resistance requirements.

a. Heat Treated Glass: ASTM C 1048, with surface stress of 5,000 +/- 1500 psi.

b. Laminated Glass: Two lites interleaved with polyvinyl butyral (PVB) as required by Impact Resistance Test. Units must meet criteria of ANSI Z97.1 and CPSC 16 CFR 1201 for safety glazing.

c. Insulating Glass: CBA rated by the IGCC when tested in accordance with ASTM E 773 and ASTM E 774. Dual edge seals with the secondary seal being silicone. Exterior lite of heat strengthened glass and interior lite of laminated glass.

2.4.13.2 Exterior Greenhouse Glazing (Spandrel)

Insulating, impact resistant Spandrel glass (Type G-7) to meet Broward County Impact Resistance requirements.

a. Spandrel Panel: 1/4” minimum, fully tempered, coated, tinted float glass. Coating: ceramic frit on second surface, scrim backing. Tint to match Libbey Owens Ford “Grey”.

b. Laminated Glass: Two lites interleaved with polyvinyl butyral (PVB) as required by Impact Resistance Test. Units must meet criteria of ANSI Z97.1 and CPSC 16 CFR 1201 for safety glazing.

c. Insulating Glass: CBA rated by the IGCC when tested in accordance with ASTM E 773 and ASTM E 774. Dual edge seals with the secondary seal being silicone. Exterior lite of coated, fully tempered, tinted float glass Spandrel and interior lite of laminated glass.

2.4.13.3 Entry Canopy

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Tinted, laminated, heat strengthened impact resistant (Type 12A) to meet Broward County Impact Resistance requirements.

2.14.4 Sealants

2.14.4.1 Weather Seal Joints

Silicone sealants applied in accordance with manufacturer's recommendations.

a. Structural silicone sealant performance requirements:

(1) Hardness: ASTM D 2240 Type A, 30 durometer.

(2) Ultimate Tensile Strength: ASTM D 412, 170 psi.

(3) Tensile at 150% Elongation: ASTM D 412, 80 psi.

(4) Joint Movement Capability after 14 Day Cure: ASTM C 719, +/- 50%.

(5) Peel Strength (aluminum, glass, concrete) after 21 Day Cure: ASTM C 794, 50 ppi.

b. Structural silicone shall not be used to support dead weight of vertical glass or panels.

2.4.15 Fabrication

a. Construct Greenhouse Glazing System And Entry Canopy Glazing System using extruded aluminum members.

b. Insofar as practicable, fit and assemble work in the manufacturer's shop. Work which cannot be permanently assembled shall be shop-assembled, marked, and disassembled before shipment to the jobsite.

c. Design rafter bars for slide-in type spline glazing strips.

d. Design glass retainer fasteners to resist uplift loadings. Spacing to be determined by structural calculations, when applicable.

e. Use snap-on caps to conceal glass retainers and glass retainer fasteners.

f. Shop locate drill and bolt, or weld aluminum clips to framing members.

g. Set glass with interior and exterior EDPM glazing strips.

h. Use silicone setting blocks to support glass and to provide edge clearances and glass bites as outlined below, in accordance with FGMA recommendations:

(1) Set blocks not less than 6-in. from edge of glass for support unit.

(2) Glass Bite: Not less than ¾-in. nor more than 5/8-in. on any side of glass unit.

(3) Maintain 1/4-in. edge clearance between glass and adjacent metal framework.

(4) Use rubber spacers to maintain separation of glass and adjacent metal framework.

i. Locate weepholes in curb to positively drain condensation to exterior of Greenhouse Glazing

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System And Entry Canopy Glazing System at each rafter connection.

2.5 ROLLING BENCHES

Rolling benches with freestanding legs of the size and quantity shown on the drawings shall be provided. Support system shall be 14 ga., 1.25" square galvanized steel tubing spaced at 6'-0" intervals. Bench tops shall include 18 ga., 1" square galvanized steel tubing crosspieces spaced at 2'-0" intervals, extruded aluminum side and end rails with 2" perimeter edge and 3/4" hex #13 hot dip galvanized expanded metal. Two runs of 14 ga., 1.315 o.d.

galvanized steel tubing shall be provided to support bench tops above the support system. Two runs of 14 ga., 1.315" o.d. galvanized steel tubing shall be installed 1'-2" above the floor to stabilize the support system. Extruded aluminum fittings with galvanized bolts and stainless steel screws shall be used to assemble the benches. Bench height shall be 2'-6" from floor to expanded metal. Bench support system shall be attached to concrete floor. Basis of bench design is "Ro-Flo" as manufactured by Rough Brothers or approved equal.

2.6 RETRACTABLE SHADE CURTAIN SYSTEM

2.6.1 General

a. Provide independently motorized retractable Shading Curtain System(s) at each Greenhouse and designed for size as shown on the drawings as manufactured by "Cravo Equipment Company" or approved equal.

b. Curtains are to travel simultaneously from steel frame to steel frame.

c. Curtains are to be suspended from U.V. stabilized reinforcing tape and suspension hooks which slide on stainless steel wires.

d. All curtains are to come sewn to size complete with reinforcing tape and suspension hooks factory installed.

e. Curtain fabric to be U.L.S. 10 Polyester w/29% shade factor.

2.6.2 Motors And Controls

a. System to be independently operated by one 100 volt motor for each shading panel.

b. Motor is to be UL approved.

c. Primary and backup limit switches for each travel direction are to be integrally mounted into the motor.

d. Control panel is to be prewired to be connected to the building wide EMCS system and equipped with a manual override switch.

2.6.3 Drive System

a. Drive cables to be stainless steel.

b. Drive cables are to be of a continuous length without any splices.

c. Driveline is to contain two driveline drums per drive cable which provides simple adjustment if required.

2.6.4 System Hardware

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a. All rotating components, i.e. bearing brackets and pulleys are to utilize pregreased double sealed ball bearings.

b. All hardware is to be protected from corrosion by either galvanizing or plating.

2.6.5 System Sealing

Proper sealing of the curtain system at the structure frame and intermediate support angles is to be accomplished using aluminum extrusions and sealants.

2.6.6 Installation

Installation is to be performed according to the detailed installation instructions supplied by the system supplier.

2.7 WIRING

Power wiring will be connected to system input power terminals under Division 16. All required field wiring (in conduit) for motors, controls, interlocks, etc. shall be furnished under this Section for a fully operational system.

PART 3 – EXECUTION (REFER TO DRAWING I-2 FOR “QUARANTINE CONSTRUCTION NOTES”

AND “PRESSURE DECAY TEST” CRITERIA FOR ADDITIONAL REQUIREMENTS.)

3.1 EXAMINATION

Upon arrival to the jobsite for installation of the specified work, the manufacturer’s erector is to examine the structure and substrate to determine that they are properly prepared, dimensionally accurate, and ready to receive the work included herein. Report any discrepancies to the General Contractor. Correction of faulty work to be at the expense of the responsible party/s.

3.2 PREPARATION

a. Contact between aluminum and dissimilar metals shall receive a protective coating of asphaltic paint for the prevention of electrolytic action and corrosion.

b. Separate aluminum from cementitious material with polyurethane or asphaltic coating.

3.3 INSTALLATION

a. Install Greenhouse Glazing System And Entry Canopy Glazing System frame, glass and accessory items as needed in accordance with manufacturer's instructions.

b. Install Greenhouse Glazing System And Entry Canopy Glazing System under the direction of the Greenhouse Glazing System And Entry Canopy Glazing System manufacturer's designated erector.

c. Erect system plumb and true, in proper alignment and relation to established lines and grades as shown on approved shop drawings.

d. Anchor Greenhouse Glazing System And Entry Canopy Glazing System to structure in strict accordance with approved shop drawings.

e. Use high performance silicone sealants to seal horizontal joints between glass panels and silicone sealant to wet seal joints between snap-on cap retainers and glass.

f. Apply sealing materials in strict accordance with sealant manufacturer's instructions. Before

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13123 - 13 application, remove mortar dirt, dust, moisture and other foreign matter from surfaces it will contact. Mask adjoining surfaces to maintain a clean and neat appearance. Tool sealing compounds to fill the joint and provide a smooth finish.

3.4 TOLERANCES

All parts of the work, when completed, shall be within the following tolerances:

a. Maximum variation from plane or location shown on approved shop drawings: 1/8-in. per 12-ft.

length, or 1/2-in. in total length.

b. Maximum offset from true alignment between two members abutting end-to-end, edge-to-edge in line or separated by less than 3-in.: 1/32-in.

3.5 FIELD TESTS

Installer shall notify the Contracting Officer when the greenhouse glazing system is complete and ready for field tests. The General Contractor, Installer/Manufacturer, Curtain Wall/Storefront Window Installer, Contracting Officer and the USDA/APHIS/PPQ Inspector shall be present during all testing.

Refer to Drawing I-2 for Pressure Decay Test criteria.

3.5.1 Water Test

Test set-up equipment provided by Contractor shall include a ladder and/or mechanical lift for test observation and a water source with a hose of sufficient length to reach all surfaces of greenhouse glazing. Testing shall be performed by Greenhouse Installer. A water stream of good pressure shall be directed at all glazing panel joints and flashing on the exterior side. The glazing system shall withstand all water without any leaks on the interior of greenhouses. Any leaks shall be sealed and retested to the satisfaction of the USDA/APHIS/PPQ Inspector and the Contracting Officer.

A test report shall be submitted that identifies date and time of testing, weather conditions, persons present during testing and results (four (4) copies of report submitted, type written 8½ x 11 format).

3.5.2 Visual Inspection

A visual inspection will be performed by the Contracting Officer and the USDA/APHIS/PPQ Inspector to assure all joints and voids are sealed.

3.5.3 Smoke Test

If required by the USDA/APHIS/PPQ Inspector, the Greenhouse Installer shall set off a colored smoke bomb in the interior of each greenhouse. The greenhouse glazing system shall be constructed to prevent the passage of smoke.

The greenhouses shall be pressurized to 0.10 inches of water. Any leaks shall be sealed and retested to the satisfaction of the USDA/APHIS/PPQ Inspector. The test report shall include the date, time and name of testing persons, persons present during testing and results (four (4) copies of report submitted, type written 8½ x 11 format).

3.6 INSTRUCTION

Give instruction and demonstrate to the USDA Personnel the use of greenhouse and systems.

3.7 EXTRA STOCK

Provide two (2) exterior glazing panels of each size and deliver to the USDA storage facility on campus.

3.8 GLAZING PANELS

Melaleuca Research & Quarantine Facility RFP DACW17-01-R-0015

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All glazing panels shall be delivered to the site in the original factory packaging with the manufacturer's label attached and protective wrapping. Panels shall be stored in a place that will be protected from damage and as per panel manufacturer's handling and storage requirements. Any glazing panels that are scratched or damaged shall be replaced.

3.9 RETRACTABLE SHADING SYSTEM

The shading system shall be delivered to the site in the original factory packaging with manufacturer's label attached.

System shall be installed as per manufacturer's requirements. The installer shall demonstrate that the system operates correctly.

3.10 CLEANING

a. Install Greenhouse Glazing System And Entry Canopy Glazing System frame and associated metal to avoid soiling or smudging the finish.

b. Clean glass and frame at time of installation. Perform final cleaning at subsequent to completion.

3.11 PROTECTION

Provide temporary protection to the Greenhouse Glazing System And Entry Canopy Glazing System and its materials after the installation is complete.

END OF SECTION