Steel Detention Barrier Specifications Print this page

PART 1 – GENERAL

Description

The guard 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.

Submittals

Manufacturers requesting approval to bid their product as equal must submit to the architect shop drawings that include details of attachment to surrounding materials and elevations showing scope of the project.

Quality Assurance

Items provided in the section shall be manufactured and fabricated by firms with 3 years experience in type of work specified. Performance and testing must comply 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. Installation shall be by installers experienced in type of work specified for respective item.

Inspection

Verify that openings fit allowable tolerances are plumb, level, provide a solid anchoring surface and comply with approved shop drawings. Plumb and align faces in a single plane and erect doors square and true adequately anchored. After completion of installation, guards shall be in working order and clean.

Warranty

Manufacturer will supply a written one-year warranty on all products.

References

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 horizontal lines level. Secure connections and attachment. Adjust guards and hardware and leave in working order where applicable. Clean work of this section upon completion. Remove debris resulting from work of this section.

PART 2 – PRODUCT

Acceptable Manufacturers

Avant Guards Manufacturing
219 Cook Street
Brooklyn, NY 11206
(718)366-6565 fax.(718)366-0010

Steel Detention Barrier Materials

The mainframe and sub frame construct from 12 gauge cold rolled galvanized steel with welded corners mitered, butt-welded and ground smooth.
The interior concealment plate to be 16 gauge galvanized steel attached to mainframe by tamper-resistant stainless steel screws.

No brace is available for this screen. Scribe angles or channels are optional as per specification.

Infill Options:
Double crimped, low carbon, mild steel _" or 3/8" diameter rod, woven with 2-inch mesh.

Backing Options:
12 mesh stainless steel wire cloth with .028 diameter double crimped
20-gauge stainless steel perforated panel with 63% open area

Fabrication

Welding shall comply with requirements of AWS. Grind welds smooth. Window guards, unless otherwise shown, shall cover entire window opening. Provide frame and accessories of size and construction as shown on drawings. Window guards over 5' wide or 8' high will be fabricated in two sections.

Woven Rod Attachment

Woven rod panels shall be installed symmetrically into the slotted mainframe. Slots shall be centered according to the rod pattern. Each rod shall penetrate into each slot where it contacts the mainframe. Every other rod shall be welded into the slot at both ends where it penetrates the main frame.

Paint and Finish

All interior and exterior surfaces of the mainframe and shall be thoroughly cleaned in a three-step bonderizing process. The surfaces shall receive an electro-statically applied thermoplastic polyester powder coating, which shall be applied and baked to a hard mar-resistant finish in a standard or custom color. Touch-up paint is available for installation.

Locks and Hardware

Hinges shall be 13 gauge electro-plated steel hinges with _" diameter hardened stainless steel loose pins and integral compression guards, with three hinges at all openings.
Lock Option:
Bit-Key