ASTM-A750 1994
$40.63
A750-77(1994)e1 Standard Specification for Steel Air Ventilating Grille Units for Detention Areas (Withdrawn 2004)
| Published By | Publication Date | Number of Pages |
| ASTM | 1994 | 5 |
ASTM A750-77-e1-Reapproved1994
Withdrawn Standard: Standard Specification for Steel Air Ventilating Grille Units for Detention Areas (Withdrawn 2004)
ASTM A750
Scope
1.1 This specification applies to air ventilating grille units for detention areas, assembled in part from materials conforming to Specifications A627, A628, and A629.
1.2 The assemblies described herein are intended to provide two types of security, designated Type A and Type B.
1.2.1 Type A -A ventilation unit, utilizing homogeneous TR steel bars for the principal security component.
1.2.2 Type B -A ventilation unit utilizing perforated tool-resisting steel plate for the principal security component.
1.3 It is presumed that equipment manufacturers will fabricate and assemble the materials so as not to impair the performance characteristics specified in the applicable material specifications.
1.4 The descriptions herein of certain assemblies are not intended to infer that other assemblies cannot be used to obtain similar results.
Keywords
Air ventilation units; Building constructions/materials-ventilation; Detention facility; Grille units; Prisons; Security systems and equipment; Steel; Steel air ventilating grille units; steel air ventilating grille units for detention areas; correctional facilities; detention facilities
ICS Code
ICS Number Code 91.190 (Building accessories)
DOI: 10.1520/A0750-77R94E01
