Statement of Specifications Updated.pdf
PDF 32 KB Posted
- Attached to
- Razor Wire FCI McKean Project# 25Z2AD5
- Solicitation number
- 15BFA025Q00000136
About this file
This document is a Statement of Specifications for two types of barbed tape (Type A and Type B) intended for secure perimeter fencing, likely for a federal correctional facility. The specifications detail precise technical requirements for non-reinforced and wire-reinforced barbed tape coils, including material composition, dimensions, and structural characteristics.
For Type A, the barbed tape is fabricated from ASTM A 666 spring quality austenitic stainless steel, with 750 mm diameter coils, 0.64 mm thick, and 30 mm width. The tape features barb clusters punched 100 mm on center with specific offset and radius requirements. Type B is similar but uses ASTM 176 Stainless Steel strip, with a core wire permanently cold clenched around the tape, providing additional structural rigidity. Both types are designed to create a concertina coil with a 300 mm opening between adjacent coil loops and include a jacketed steel wire rope to preset maximum tape opening and ensure a consistent 12.20 meters (40 feet) length. The specifications are part of a Department of Justice Bureau of Prisons project (Solicitation Number 15BFA025Q00000136) for razor wire at the FCI McKean facility.
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Text version
STATEMENT OF SPECIFICATIONS
NON-REINFORCED BARBED TAPE (TYPE A)
A. Barbed tape coils shall be 750 mm (30") in diameter. Tape shall be fabricated from ASTM A
666 spring quality austenitic stainless steel, minimum hardness of Rockwell (30 N) 50-55, nominal 0.64 mm (0.025") thick, nominal 30 mm (1.210") width prior to fabrication.
B. Clusters of four barbs having a maximum tip radius of 0.127 mm (0.005") shall be punched
100 mm (4") on center. Barb cluster width shall be 30 mm. Barb clusters shall have a minimum length of 30 mm (1.2"). Barb shall be alternately offset from the tape center line 4 mm - 12 mm
(0.15"-0.45").
C. Adjacent coiled loops both vertically and horizontally shall be alternately clipped together or spot welded at five points of approximate equal radius spacing about the coil loop perimeter.
Welded attachments shall withstand a minimum 890N (200 lb) load uniformly distributed about the periphery. The 750 mm (30") diameter coils and five-point uniform radial connections shall interact to produce a concertina coil with a 300 mm (12") opening between adjacent coil loops.
D. Provide jacketed steel wire rope attached along the entire length of the roll. Attach wire to each coil loop to preset the maximum barbed tape opening and the 12.20 meters (40 feet) plus or minus 0.3 meter (1 foot) length.
WIRE-REINFORCED BARBED TAPE (TYPE B)
A. Barbed Tape Coils shall be 750 mm (30") in diameter. Tape shall be fabricated from ASTM
176 Stainless Steel strip hardened to Rockwell (30 N) 35-40, 0.64 mm (0.025") thick, 25 mm
(1") width prior to roll forming.
B. Clusters of four barbs having a maximum tip radius of 0.127 mm (0.005") shall be punched
100 mm (4") on center. Barb clusters shall have a minimum length of 30 mm (1.2"). Barbs shall be alternately offset from the tape center line 4 mm - 12 mm (0.15"-0.45").
C. The stainless-steel strip shall be permanently cold clenched around a 2.5 mm (0.098") diameter austenitic stainless steel core wire conforming to ASTM A-580, having a minimum tensile strength of 895 MPa (130 ksi). The barbed tape shall have a minimum 230 degree wrap about the core wire. Barbed tape clips placed around the circumference of the tape shall be such that adjacent loops are rigidly fixed, preventing any slippage of one past another at the point of attachment. Clips shall be fabricated from 1.6 x 9.5 mm (0.065"x0.375") stainless steel and capable of withstanding a pull of 890N (200 lb).
File details come from the government source that posted it. Updated .