Scope: Furnish and
install all windows of the type and size shown on the drawings and called
for in the specification including all necessary hardware, anchors, and trim
where noted.
General: Windows
shall be fiberlux series 1400 vinyl window. Horizontal sliding windows shall meet or exceed ASTM D4099
grade 30.
Material: All
frame and sash members shall be manufactured of extruded,
high-impact-resistant, UV stabilized, rigid virgin polyvinyl chloride (PVC)
with nominal .070" masterframe and .065" sash members. Frame members shall
be of multi-chambered design. Sill shall contain an internal weepage system
for efficient water drainage to the exterior. All exposed weatherstripping,
hardware and fasteners shall be stainless steel, aluminum, nylon or other
suitable material compatible with rigid PVC. Horizontal sliding windows will
contain a drop-in PVC track for convenient cleaning and maintenance.
Construction:
All masterframe and sash members shall be miter-cut and fusion-welded.
Operable sash of the horizontal
sliding windows shall be the removable-type. The window shall incorporate fin-type
weather-stripping inserted into designed grooves and have continuous contact
with frame members when in a closed position.
Glazing: Nominal
7/8" insulating glass shall be double-pane and hermetically sealed meeting
ASTM C1036 and ASTM E774 level C or higher standards. The sash shall be
inside-bead glazed with foam tape on the exterior glazing leg.
Hardware: The
operating sash shall have an interlocking rail to provide engagement with
the meeting rail when fully closed. Optional positive locking
spring-activated latches automatically lock sash when closed. A meeting rail
cam lock and keeper will be provided to lock the window in a closed
position. Single hung operating sash shall be equipped with counterbalancing
mechanisms to hold the sash stationary in any open position meeting AAMA
902.2. Balances shall be easily replaceable in the field with the use of
hand-tools. Horizontal sliding operating sash shall be equipped with nylon
slides.
Finish: All
window members shall have an integral white color throughout the profile. An
option of Almond color is also available.
Insect Screens:
All operating vents shall be designed to receive screens. Screen frames to
be aluminum with a baked enamel color to be compatible with PVC frames.
14"x18" fiberglass cloth meeting ASTM D3656 shall be secured to the frame
using vinyl spline. Screens shall be retained using spring-loaded plungers
and shall be removable from inside the building. Insect screens are not for
the purpose of providing security or providing for retention of objects or
persons from the interior.
Erection and Caulking (by
others): All units shall be adequately and securely fastened
plumb, level and square without distortion, twisting, bowing or springing of
frame members. All frame members shall be properly supported, shimmed, and
leveled along their entire length. All units shall be properly caulked using
a good grade of non-hardening caulking that is compatible with PVC and the
surface it is mounted on to provide a thoroughly water-tight seal meeting
AAMA 808.3. The masterframe is to be installed square with the operating
sash. The sash should be operated and the masterframe should be given any
necessary final adjustment to insure proper operation and weather-tightness.