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Specifications:
Skyshield 25
SECTION 12491
INTERIOR SUN CONTROL LOUVER
SYSTEM
***** Skyshield International,
Inc. manufacturers several types of aluminum skylight blinds and
sun control shades. These include exterior and interior models
with either manual or motorized operation. This guide
specification section can be used to specify Skyshield 25 as
manufactured by Skyshield International, Inc. Skyshield 25 is
designed for installation on interior side of Small to Medium
size rectangular skylights and window openings. Contact
Skyshield International, Inc. for assistance in specifying other
Skyshield models.
The specification section is
organized by placing information in three standard parts:
PART 1 - GENERAL Describes
administrative and procedural requirements.
PART 2 - PRODUCTS Describes
materials, products, and accessories to be incorporated into the
construction project.
PART 3 - EXECUTION Describes
how the products will be installed at the construction site.
Throughout this product guide
specification, references are made to other specification
sections that might be contained in the project manual. These
references are presented as examples and coordination reminders.
For each project, these references will need to be revised to
reflect actual sections being used.
Within the specification text,
Imperial dimensions are presented first in brackets followed by
System International Metric (SI) equivalents also in brackets.
Depending on project requirements, either the Imperial or the SI
metric equivalents will need to be deleted.
The specifier will need to edit
this product specification for a specific project to reflect the
options and applications being used. The guide section has been
written so that most editing can be accomplished by deleting
unnecessary requirements and options. Depending on project
requirements, some additional information will need to be added
by the specifier. Options are indicated by [ ]. Notes to assist
the specifier in selecting options and editing the specification
guide are printed in bold and indicated with *****. For final
editing, all brackets and notes will need to be deleted from the
guide.
*********************************
PART 1 - GENERAL
1.1 SUMMARY
***** Skyshield 25 is designed
for interior installation and can be either manually or
electrically operated. Edit the following paragraph for the type
of operation being specified and project conditions. *****
A. Section includes design and
provision of [manually operated] [motorized, remotely
controlled,] fully adjustable, aluminum slat, solar control
louver system for mounting on interior side of [[sloped]
[horizontal] [vertical]] [[skylights] [windows] [_____].
***** List other specification
sections dealing with work directly related to this section such
as the following. *****
B. Related sections:
1. Section 08120 - Aluminum
Doors and Frames: Glazed aluminum windows to receive solar
control louver system.
2. Section 08410 - Metal Framed
Storefronts: [Aluminum] [Steel] framing to receive solar control
louver system.
3. Section 08600 - Skylights:
Metal framed skylight to receive solar control louver system.
4. Section 08900 - Glazed
Curtain Wall: Curtain wall system to receive solar control
louver system.
***** Include the following
paragraph if motorized louvers are being specified. *****
5. Section 16100 - Wiring
Methods: Electric supply, conduit, wiring, boxes, and wiring
devices for motorized solar control louver system, by Section
1600.
1.2 REFERENCES
**** List by number and full
title reference standards referred to in remainder of the
specification section. Delete non-applicable references. *****
A. American Society for Testing
and Materials (ASTM):
1. ASTM B209 - Aluminum and
Aluminum-Alloy Sheet and Plate.
2. ASTM B221 - Aluminum Alloy
Extruded Bar, Rod, Wire, Shape, and Tube.
1.3 SUBMITTALS
A. Provide in accordance with
Section 01330 - Submittal Procedures:
1. Product data listing
components, operating hardware, [controls,] and accessories for
louver system showing compliance with specified requirements.
2. Shop drawings showing
layout, materials, dimensions, tolerances, [electrical
connections, wiring diagrams,] method of anchorage, and
installation details.
3. Louver system load
calculations.
4. Samples:
a. Finishes for selection by
Architect.
b. [6 inches] [150 mm] long
louver slat sample with specified finish.
5. Installation, operation, and
maintenance instructions.
1.4 QUALITY ASSURANCE
A. Sole source responsibility:
Complete sun control louver system including attachment
hardware, operating mechanism, [controls] shall be provided by
single firm to ensure compatibility of components and functional
operation.
B. Manufacturer: Company
specializing in design and fabrication of operable sun control
louver systems with 7 years minimum successful experience.
C. Installer: Experienced in
installing sun control louver systems of type specified and
approved by louver manufacturer for installing system.
D. Design and install sun
control louver system to comply with seismic requirements for
Project location.
***** Include the following
paragraphs if motorized operation is required. *****
E. Motor operators shall be
certified by Underwriters Laboratory (UL).
F. Install electrical operators
and controls in accordance with National Electric Code (NEC)
requirements and local building codes.
1.5 WARRANTIES
A. Provide under provisions of
Section 01780 - Closeout Submittals: 1. 3 years manufacturer's
warranty to cover sun control louver system against
manufacturing defects, 2 years on electrical components &
motors. 2. 1 year installer's warranty to cover defects in
installation of system.
PARTS 2 - PRODUCTS
2.1 ACCEPTABLE MANUFACTURERS
A. Only the products provided
by the following manufacturer are acceptable:
1. Skyshield International,
Inc., 3567 91st Street North, Suite 4, Lake Park, Fl. 33403.
Phone: 888-640-0850. Estimating: 561-656-2556, FAX: 561-656-2599 Web
Site www.shutterstudio.com 2. Abercrombe Sun Control Division,
Atlanta Georgia.
B. Requests to use equivalent
products of other manufacturers must be submitted in accordance
with Section 01630 - Product Substitution Procedures.
2.2 SUN CONTROL LOUVER SYSTEM
A. Type: One (1") Blade,
Custom shop fabricated, [manually operated] [motorized, remotely
controlled,] solar control louver system consisting of extruded
aluminum rack assembly and fully adjustable aluminum louver
slats; Skyshield 25 as manufactured by Skyshield International,
Inc.
***** Skyshield 25 is designed
for small to medium size skylight and window openings. It can be
installed in horizontal, vertical, and sloped positions.
Drawings should indicate size, layout, and spacing of rack
assembly arms. *****
B. Size, configuration, and
layout: [Horizontal] [Vertical] [Sloped] installation as
indicated on Drawings.
C. Rack assembly:
1. Support arms: T shaped,
[5/16 inch] [8 mm] thick, aluminum extrusions complying with
ASTM B221, 6063-T5 alloy and temper, with [1 inch] [25 mm]
nominal height by length required to span opening. Provide arms
with grooves to receive louver slats. Space arms at [36 inches]
[914 mm] maximum. 2. Slat holders: Carbon impregnated, nylon
holder to receive aluminum slats with nylon pivot fastened into
support arm groove. 3. Drive shaft: Hexagonal aluminum tube
connected to slat holders. Rotating drive shaft tilts louver
slats.
D. Auxiliary support framing:
Where required by Project conditions design and provide aluminum
channels and angles as louver system support framing.
E. Support brackets: Provide
brackets for anchoring louver rack assembly to support framing.
Coordinate provision of brackets with framing specified in
[Section 05100 - Structural Metal Framing] [Section 08410 -
Metal Framed Storefronts] [Section 08600 - Skylights] [Section
08900 - Glazed Curtain Wall] [_____].
1. Type: Aluminum fabrications
of type, size, and spacing to accommodate louver system and
Project conditions. Threaded rod design shall allow height
adjustment. Brackets to be adjustable laterally and transversely
to align rack support arms.
2. Provide brackets with
appropriate fasteners for attachment to support framing.
3. Space brackets as required
to suspend rack support arms without sagging.
a. Maximum arm spacing: [24]
inches]
b. Maximum arm overhang: [8
inches]
F. Louver slats: Fabricate from
[0.008 inch] [0.2 mm] minimum spring tempered magnesium aluminum
alloy complying with ASTM B209.
1. Nominal width: [1 inches]
[25 mm].
2. Provide with [1/8 inch] [4
mm] radiused corners.
G. Finish:
1. Louver slats and rack
support arms: Thermoset enamel paint finish with color as
selected by Architect from manufacturer's full range.
2. Brackets and other
attachment components: Mill finish aluminum.
H. Fabrication: Pre-assemble
louver system at factory. Minimize requirements for field
splicing and assembly. Disassemble units as required for
shipping and handling. Label units for reassembly and
installation at site.
2.3 MANUAL OPERATOR
***** Include this article to
specify manual operation. *****
A. Provide manual operators for
sun control louver system. Operator to permit variable shading
angles plus fully opened and closed positions.
B. Gear box: 5 to 1 ratio gear
with steel or brass parts.
C. Provide detachable rod and
handle for inserting into gear box. Length to be sufficient for
operating louver system from floor position.
2.4 MOTORIZED OPERATION AND
CONTROLS
***** Include this article to
specify motorized operation. *****
A. Sun control louver system
shall be electrically operated and allow variable shading angles
plus fully opened and closed positions.
B. Motor: Isochronous capacitor
start and run type, single phase, 120VDC, 60 Hz, 0.75 amp. Motor
to be UL listed, thermally protected, totally enclosed,
brushless type equipped with permanently lubricated bearing not
requiring maintenance. Motor speed adjustable for
synchronization of multiple louvers.
C. Brake: Solenoid activated,
disc type brake to automatically stop and hold louvers in any
position without slippage when current to motor is interrupted.
D. Limit switches: Adjustable
thumbscrews for setting limits in both open and close
directions.
E. Gear box: Motor driven, 5 to
1 ratio gear with steel or brass parts.
***** Skyshield International,
Inc, provides various methods for controlling motorized
Skyshield 25. These include manual toggle switches, automatic
light sensitive controls, and clock time controls. Select one of
the following paragraphs to reflect type of controls required
for motorized systems. *****
***** Include the following
paragraph if toggle switch controls are required. A single
switch can control all louvers or multiple switches can be used
to control groups of louvers. *****
F. Manual switch control:
Provide electric toggle switches for opening and closing louvers
and positioning louvers at any angle. [Control each louver
individually with a separate toggle switch.] [Control multiple
louvers from single switch in groups as indicated on Drawings
and approved shop drawings.]
***** Include the following
paragraph if louver system is to be controlled by exterior light
sensor. *****
G. Sunlight sensor control:
Provide external photocell to control louver system by opening
and closing louvers to preset limits; Control T200 as furnished
by Skyshield International, Inc.
***** Include the following
paragraph if louver system is to be controlled by internal light
sensor such that light level within building is maintained at a
constant level. *****
H. Internal photocell control:
Provide internal photocell to control louver system by
positioning louvers such that light level within building is
maintained at constant level; Control T300 as furnished by
Skyshield International, Inc.
***** Include the following
paragraph if louver system is be controlled by timer. ***** I.
Clock timer: Provide clock timer to open and close louvers at
pre-selected times; Control T210 as furnished by Skyshield
International, Inc.
PART 3 - EXECUTION
3.1 PREPARATION
A. Field verify dimensions
prior to commencing fabrication.
***** Include the following
paragraph if motorized louvers are specified. *****
B. Coordinate electrical
requirements to ensure proper power supply is provided for
motorized operators.
C. Examine site conditions and
verify that support elements are properly sized, prepared, and
ready to receive louver system.
3.2 INSTALLATION
A. Install in accordance with
manufacturer's instructions and approved shop drawings.
Coordinate with installation of [skylight,] [windows,]
[electrical power supply,] and ceiling and wall finishes.
B. Accurately space and
securely attach brackets to support structure. Connect louver
rack assembly arms to brackets.
C. Adjust threaded bracket
suspension rods to ensure louvers are [level] [vertical] [sloped
at proper angle] and rack assembly arms are correctly spaced and
aligned.
D. Closely fit joints of
exposed connections. Ensure that exposed to view connections are
uniform and neat.
***** Include the following
paragraph if motorized louvers are specified. *****
E. Install motor[s] on rack
assembly arms and connect to drive shaft. Install control
mechanisms at locations indicated on approved shop drawings and
make electrical power connections.
3.3 TESTING, ADJUSTING, AND
DEMONSTRATING
A. After installation, test
louver operation. Cycle louvers open and close a minimum of five
times. Verify opening and closing operation and that movement
limits are accurately and uniformly set. Verify louvers do not
bind.
***** Include the following
paragraph if motorized louvers are specified. *****
B. Verify that control
mechanisms function properly. [Test automatic [photocell] [clock
timer] and ensure louver movement is correctly controlled.]
C. Correct deficiencies, adjust
system for smooth operation, and retest.
D. Demonstrate operation and
maintenance of sun control louver system to Owner's
representative.
3.4 TOUCH-UP AND CLEANING
A. Touch-up finishes damaged
during handling and installation with paint provided by
manufacturer to match original finish. Items that cannot be
satisfactorily refinished in field and bent or deformed
components shall be removed and replaced.
B. Remove protective materials
from surfaces.
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