Architectural Specifications
DOUBLEPLAY Structural Glass Walls
GENERAL
I. DESCRIPTION
A. Work Included. Provide material, labor, equipment and services necessary to deliver,
install and finish all work of this section as shown on the drawings, as specified, but not
limited to the following:
1. All glass walls, including doors and court view windows.
2. All hardware, anchors and related items described in this section.
II. QUALITY ASSURANCE
A. The approved manufacturer is A Best Enterprises, Inc., 879 Brickyard Circle, Unit
B-9, Golden, Colorado, 80403
B. The Glass wall systems by manufacturers other than the one approved must submit
sufficient data to enable approval to be given. For example, design considerations, test
results, installation instructions and a listing of prior installations.
III. WARRANTY
A. All glass walls shall be structurally sound and free from defects in material and
workmanship under normal use and service for a period of five (5) years after the date
of delivery of the wall and fixtures to the purchaser.
DOUBLEPLAY STRUCTURAL GLASS WALLS
I. PERFORMANCE REQUIREMENTS
A. Glass walls shall provide unrestricted observation of the sports activities with
complete safety. The tempered glass panels, mullions, jointing system, anchoring
system, glass doors, hardware, moveable walls, etc., shall be engineered to act as an
integral unit when subjected to impact for ball or player. This distributes and reduces
stresses, minimizes deflection, vibration, or damage, and provides true rebound of the
ball.
II. MATERIALS
A. GLASS
1. All glass shall be fully tempered ½" (12 mm) thick safety glass manufactured by a
horizontal process. The tempered glass shall meet at the time of installation, quality and
strength requirements of Federal Specification ASTM C 1036, ASTM C 1048, ANSI
Z97.1 and CPSC Standard 16 CFR 1201. All edges shall be polished.
B. FITTINGS
1. Glass connection fittings shall be of cast aluminum, powder coated a brilliant white.
Other colors available upon request.
2. Base angle brackets are made of structural aluminum, powder coated a brilliant
white. Size: 11-½" x 2-½" x 2-½" x ¼" (292.1 mm x 63.5 mm x 63.5 mm x 6.35 mm).
3. Anchor bolts are ½" x 3-½" (12.7 x 88.9 mm).
4. Fasteners through glass are made of steel.
5. Countersinks in glass are nylon, white in color.
6. Aluminum channels are powder coated a brilliant white. Size: 1" x 1" x 1/8" (25.4 mm
x 25.4 mm x 3.175 mm).
7.. Aluminum angles are 2-½" x 2-½ " x 1/8" (63.5 mm x 63.5 mm x 3.175 mm).
8. Aluminum tubular posts are powder coated a brilliant white. Size: 1-¾" x 4" x 1/8"
(44.45 mm x 101.6 mm x 3.175 mm).
9. A clear, flexible, vinyl gasket will be placed between all aluminum fittings and the
glass. No glass to metal contact will be allowed.
C. DOOR HARDWARE
1. Door shall be locked by means of a positive locking system, with a knob set on the
exterior and flush pull ring on the interior. Lock housing shall be powder coated a
brilliant white.
2. Glass stabilizer system.
a) Door hinge shall be of cast aluminum, powder coated a brilliant white. Hinge shall
attach to the door and adjacent sidelite. The hinge will pass through a notch cut-out in
the fin and attach to the opposite side. The hinge will be secured to the fin by means of
a through bolt and nylon countersink. Hinges attaching solely to the door and sidelite
will not be allowed. Side hinging to fin without a notch cut-out will not be allowed.
3. Aluminum post wall systems.
a) Door hinge shall be of cast aluminum, powder coated a brilliant white. Hinge shall
attach to the door and adjacent sidelite. The hinge will reside on the interior of the
aluminum post. Hinges attaching solely to exterior of the post will not be allowed.
D. SEALANTS
1. All silicone shall be a clear, high modules, acetoxy construction grade silicone.
GE-1200 or equivalent.
E. MARKINGS
1. White Play Lines.
a) Rear walls to have a permanent marking of lines, painted white, being 1" on center,
30" high 3/16" wide (25.4 mm x 762 mm x 4.7625 mm)
2. Doubleview.
a) Glass panels to be covered with a vinyl wall-covering. Application to the exterior of
the court. This vinyl to be white on the side facing the interior and black on the side
facing the exterior. The vinyl shall be perforated to allow clear view into the court from
the exterior. Dot-on-dot decals will not be allowed.
EXECUTION
I. PREPARATION
A. Installation of glass wall shall be performed by a qualified installer or as approved by
A Best Enterprises, Inc.
1. Installer shall be responsible for and provide interface coordination between work
specified thereunder and the work of other trades.
2. Install walls, doors and related work using experienced workman, as specified and as
detailed on drawings. Set walls plumb, level, and square and true, and securely anchor
into place, with all joints siliconed smooth. Provide all anchors, clips and fasteners and
accessories for complete installation.
PATENTS
I. All DOUBLEPLAY glass walls are protected by the following U.S. patents.
A. Moveable walls: # 5,297,368
B. Hinges: # 5,499,428
II. All Foreign patents are pending.