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BSI PAS 68:2007

BSI PAS 68:2007

$17.13

Specification for vehicle security barriers

Published By Publication Date Number of Pages
BSI 2007 32
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PDF Catalog

PDF Pages PDF Title
3 Contents
Foreword iii
Introduction iv
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Vehicle security barrier classification system 3
5 Pendulum impact method – Classification code 4
6 Design method – Classification code 4
7 Pre-test requirements 6
8 Test preparation 6
9 Additional test preparation for active systems 7
10 Vehicle impact assessment 7
11 Pendulum impact resistance test method for bollards 13
12 Design method 17
Annexes
Annex A (normative) Prototypes 18
Annex B (normative) Approved foundations for fixed bollards: pendulum and vehicle impact tests 19
Bibliography 24
List of figures
Figure 1 – Pre-impact condition 9
Figure 2 – Post-impact condition 9
Figure 3 – Indicative camera locations (plan view) 11
Figure 4 – Typical pendulum test rig 14
Figure 5 – Definition of bollard pass/fail criteria 16
Figure B.1 – Foundation type FB – 2500 – 32 20
Figure B.2 – Foundation type FB – 2500 – 48/64 21
Figure B.3 – Foundation type FB – 2500 – 80 22
Figure B.4 – Foundation type FB – 7500 – 80 23
List of tables
Table 1 – Performance classification – Vehicle impact test 3
Table 2 – Vehicle impact test criteria 3
Table 3 – Permissible values for performance class 4
Table 4 – Permissible values for performance class 4
Table 5 – Specification for test vehicles 5
Table A.1 – Assessment of modified vehicle security barriers 18
5 Foreword
6 Introduction
7 1 Scope
2 Normative references
3 Terms and definitions
3.1 ballast
3.2 cargo
3.3 fixed bollard
3.4 impact angle
3.5 impact point
3.6 vehicle impact test speed
8 3.7 pendulum test speed
3.8 unladen weight
3.9 major debris
3.10 removable bollard
3.11 rising bollard
3.12 rigid test foundation
3.13 test system
3.14 test vehicle
3.15 vehicle penetration
3.16 vehicle security barrier
9 4 Vehicle security barrier classification system
4.1 Vehicle impact method
Table 1 Performance classification – Vehicle impact test
Table 2 Vehicle impact test criteria
a) a rising bollard;
b) capable of withstanding an impact by a 1 500 kg car at 48 km/h;
c) where the vehicle penetrated 1.7 m beyond the original position of the rear face of the bollard; and
d) where major debris landed no more than 5.2 m beyond the original position the rear face of the bollard.
10 5 Pendulum impact method – Classification code
Table 3 Permissible values for performance class
a) a rising bollard;
b) capable of withstanding an impact of 100 kJ;
c) delivered by a 2 500 kg pendulum with a release height of 4.0 m.
6 Design method – Classification code
Table 4 Permissible values for performance class
11 Table 5 Specification for test vehicles
12 7 Pre-test requirements
7.1 Documentation
a) manufacturer’s details;
b) whether the vehicle security barrier is a prototype or is in production;
c) which face of the vehicle security barrier is designed to resist impact;
d) general arrangement drawings, including installation instructions with tolerances;
e) component drawings and foundation designs with dimensions, tolerances and all material specifications and finishes;
f) factory sub-assembly drawings;
g) parts list;
h) certification of compliance for component materials;
i) maintenance and repair instructions;
j) any other relevant information (e.g. recycling information, details of toxic or dangerous materials in the product).
7.2 Profile requirements
8 Test preparation
8.1 General
8.2 Conformity between specimens and documentation
13 8.3 Specimen selection
8.4 Impact point
9 Additional test preparation for active systems
10
Vehicle impact assessment
10.1 Performance requirements
10.2 Test methodology
10.2.1 Principle
14 10.2.2 Test facility
10.2.3 Specimen preparation
10.2.4 Test vehicle preparation
15 Figure 1 Pre-impact condition
Figure 2 Post-impact condition
16 10.2.5 Apparatus
a) one panned camera operating in real time, sited at right angles to the path of the vehicle and in a suitable position to obtain a clear overall pictorial record of the impact and its consequences;
b) one high-speed camera on each side of the barrier, and in-line with the barrier, to record the vehicle to barrier interaction;
c) one static camera in line with and facing the test vehicle approach direction;
d) not less than two overhead high-speed cameras, located in such a way as to cover the vehicle motion from at least 6 m before …
17 Figure 3 Indicative camera locations (plan view)
18 10.3 Test procedure
a) weight of the test vehicle;
b) vehicle dimensions;
c) location of the centre of gravity of the test vehicle in the test condition including added ballast;
d) interior and exterior photographs of the test vehicle (to aid the assessment of survivability).
10.3.1 Test data
a) test vehicle impact speed, measured along the test vehicle approach path at no further than 8 m before the impact point;
b) test vehicle approach angle, measured along the vehicle approach path no further than 8 m before the impact point;
c) test vehicle impact point;
d) height of test item impact point;
e) photographic records from high-speed cine film cameras and/or high speed video cameras deployed in such a way as to give a complete record of the test vehicle response and test object behaviour, including deformation and deflections.
10.3.2 Post test data
a) damage to the test item and test vehicle;
b) distortion and displacement to the vehicle barrier system;
c) still photographs at 90 and 45 degrees to main vehicle axes to aid reporting;
d) interior and exterior photographs of the test vehicle;
e) the operating cycle (rise/fall) of an active barrier system with the vehicle in place;
f) the operating cycle (rise/fall) of an active barrier system with the vehicle removed (as necessary);
g) in the case of a bollard, with the vehicle removed, the angle of inclination from the horizontal of the bollard as shown in Figure 5, to determine the deformation characteristics.
19 11 Pendulum impact resistance test method for bollards
11.1 Performance requirements
11.2 Test Method
11.2.1 Principle
11.2.2 Apparatus
a) a foundation constructed to the requirements specified by the supplier of the test item; or
b) an approved rigid test foundation, as specified in Annex B.
20 Figure 4 Typical pendulum test rig
11.2.3 Test item
11.3 Test procedure
a) bollard: the vertical, installation depth, concrete grade required and the curing time (normal minimum 28 days);
b) weight of pendulum impactor to within ± 20 kg;
c) photographs of bollard: front and side elevation;
d) the height of the impactor contact point above the datum line;
e) the height of the impactor above the datum line minus the impact height at the moment of release.
21 11.3.1 Test data
a) Velocity of pendulum impactor immediately before impact;
b) High-speed video of impact (optional);
c) Impact characteristics;
d) Acceleration of the bollard and the time history of the impact.
11.3.2 Post test data
a) Photograph/s of pendulum impactor;
b) Photograph/s of damage and deformation of the bollard;
c) Angle of inclination of bollard (see Figure 5);
d) Damage to the test item including movement of the foundation, irregularities in the gap between the bollard and its foundation container (sleeve), change in the bollard section, fracture of any components including security fixings;
e) The operating cycle (rise/fall) of the bollard.
11.4
Test report
22 Figure 5 Definition of bollard pass/fail criteria
a) be repeated for each specified direction of installation. Each impact test shall then be undertaken on a new sample; or
b) be carried out with the impact points being determined by the test laboratory to represent the worst case scenario.
23 12 Design method
a) product dimensions;
b) wall thickness;
c) material specification;
d) specification of concrete filling (if applicable);
e) foundation type.
24 Annex A (normative) Prototypes
A.1 General
a) If there are no changes to the original product or its associated design drawings, then the product can be approved;
b) If there are any modifications, the manufacturer shall describe them in respect of drawings and specifications used to define…
Table A.1 Assessment of modified vehicle security barriers
25 Annex B (normative) Approved foundations for fixed bollards: pendulum and vehicle impact tests
26 Figure B.1 Foundation type FB – 2500 – 32
27 Figure B.2 Foundation type FB – 2500 – 48/64
28 Figure B.3 Foundation type FB – 2500 – 80
29 Figure B.4 Foundation type FB – 7500 – 80
30 Bibliography

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BSI PAS 68:2007
$17.13