PART 1 – GENERAL
The screen shown on the plans and herein specified
is manufactured by Avant Guards.
The manufacturer’s name and products have been used to establish the standard
of construction and quality of workmanship required for this project. Manufacturers
bidding on this project must be actively engaged in the fabrication of specified
items for 3 years.
Manufacturers requesting approval to bid their product
as equal must submit to the architect shop drawings that include
of attachment to surrounding
materials and elevations showing scope of the project.
Items provided in the section shall be manufactured
and fabricated by firms with 3 years experience in type of work
Performance and testing
with sag, impact, and forced entry resistance tests of ANSI/SMA 6001-1990,
American National Standard. Specifications for Protection Screens must
meet the performance
requirements for a Heavy Rating.
Delivery, Storage, and Handling
Before and during shipment to site,
adequately protect products. Products should be stored in conditions
that protect from damage.
shall be by
installers experienced in type of work specified for respective item.
Verify that openings fit allowable tolerances are plumb,
level, provide a solid anchoring surface and comply with approved
in a single plane and erect doors square and true adequately
anchored. After completion of installation, screens shall be in
Manufacturer will supply a written one-year warranty on
American Society for Testing and Materials (ASTM), American
Welding Society (AWS)
Installation, adjusting, and Clean up
Install in accordance with
approved shop drawings and specifications. Erect guards and other
work of this section, rigid,
straight, and plumb with
level. Secure connections and attachment. Adjust
guards and hardware and leave in working order where applicable.
work of this
Remove debris resulting from work of this section.
PART 2 – PRODUCT
Avant Guards Manufacturing
219 Cook Street
Brooklyn, NY 11206
Aluminum Security Screen Materials
The extruded aluminum
main frame, 1/8" thickness and continuously welded
at corners and ground smooth.
The extruded aluminum concealment plate, 1/16" thickness
and fastened to main frame using tamper resistant fastners.
The extruded aluminum subframe, 1/8" thickness
with die cast zinc corner brace, welded at corners and ground smooth,
and also may include an optional
A brace is required for guards over 52" high.
Scribe angles or channels are optional as per specification.
An overlap of the frame to the subframe in order to eliminates gaps is required
to prevent direct tampering between the mainframe and subframe. No gap will be
accepted in the product
No fastners are to be accessible from the closed gate position. This is to insure
any tampering with the gate from inside or outside.
12, 14, and 16 gauges perforated panel
18 and 20 gauges stainless perforated panel
10 and 12 mesh stainless
Welding shall comply with requirements of AWS. Grind
welds smooth. Window guards, unless otherwise shown, shall cover
accessories of size and construction as shown on drawings. Window guards
over 5’ wide or 8’ high will be fabricated in two sections.
All interior and exterior surfaces of the mainframe and shall
be thoroughly cleaned in a three-step bonderizing process. The
surfaces shall receive
applied thermoplastic polyester powder coating, which shall be applied
and baked to a hard mar-resistant finish in a standard or custom color.
is available for installation.
Locks and Hardware
Concealed stainless steel pin hinges, to have
2 hinges for guards under 5’, and 3 hinges per guard 5’ and