GA/T 824-2019 English PDF

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GA/T 824-2019: Specifications for comstruction of firearms examination laboratory in Forensics
Status: Valid

GA/T 824: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 824-2019	229	Add to Cart	3 days	Specifications for comstruction of firearms examination laboratory in Forensics	Valid
GA/T 824-2009	239	Add to Cart	3 days	The construction stanard for firearms examination laboratory	Obsolete

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Basic data

Standard ID: GA/T 824-2019 (GA/T824-2019)
Description (Translated English): Specifications for comstruction of firearms examination laboratory in Forensics
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: A92
Classification of International Standard: 13.310
Word Count Estimation: 10,181
Date of Issue: 2019
Date of Implementation: 2019-03-18
Issuing agency(ies): Ministry of Public Security

GA/T 824-2019: Specifications for comstruction of firearms examination laboratory in Forensics

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specifications for comstruction of firearms examination laboratory in Forensics ICS13.310 A 92 People's Republic of China Public Safety Industry Standard GA GA/T ××××-×××× Code for construction of forensic science gun elasticity testing laboratory Forensic sciences-Specifications for construction of firearms examination laboratory ××××-××-×× ××××-××-×× Implementation Published by the Ministry of Public Security of the People's Republic of China GA/T ××××-××××

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Criminal Technical Product Sub-Technical Committee of the National Criminal Technical Standardization Technical Committee (SAC/TC 179/SC 8). mouth. This standard was drafted. Criminal Investigation Bureau of the Ministry of Public Security, Material Evidence Identification Center of the Ministry of Public Security, Wuxi Fanying Police Equipment New Technology Co., Ltd., Jiangxi Criminal Investigation Bureau of the Public Security Department of Jiangsu Province. The main drafters of this standard. Zhang Guiyong, Wu Xinzi, Jiang Xuemei, Ma Jiqiang, Ma Xinhe, Wan Daliang, Zhang Fuyuan, Wang Yu. GA/T ××××-×××× Code for construction of forensic science gun elasticity testing laboratory

1 Scope

This standard specifies the technical requirements and main configuration for the construction of forensic science gun elasticity testing laboratories. This standard applies to the construction of scientific gun elasticity test laboratories in courts of provinces, prefectures and municipalities.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB 3096-2008 Acoustic Environment Quality Standard GB 50016-2014 Code for fire protection of building design GB 50034-2013 architectural lighting design standards GB 50222-1995 Code for fire protection design of building interior decoration

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Firearms examination laboratory The general name of the testing place and equipment for testing the firearm's firing capability, collecting samples of warhead shells, and obtaining the elastic energy parameters of the gun. Note. For the structure of the gun elasticity test laboratory, see Appendix A.

4 basic conditions

4.1 Building Requirements for Gun Elasticity Inspection Room 4.1.1 Use area Not less than 40 square meters, the length of the rectangular structure is not less than 8m, the width should be not less than 5m, and the net floor height is not less than 3.5m. 4.1.2 Door It should have sound insulation, fire prevention and bulletproof functions. 4.1.3 Ceiling protection structure Should be sturdy, with shock, fire, sound absorption and anti-bouncing functions. Decoration materials meet the regulations in Chapter 2 and 3.2 of GB 50222-1995 The fire rating is not lower than B1 in Appendix A. Police pistols, 79-type mini submachine guns, non-standard guns at the muzzle and the point of impact When the firing angle is not less than 5m and the firing angle is 30 ° ～ 90 °, the fire should not bounce when hitting the ceiling. 4.1.4 Floor GA/T ××××-×××× It should have fire prevention and anti-bouncing functions. Decoration materials meet the requirements of Chapter 2 and 3.2 of GB 50222-1995, and the fire rating is not lower than Level B1 in Appendix A. Police pistol, 79-type mini submachine gun, non-standard firearms at a distance of not less than 5m at the muzzle and the point of impact, firing angle In the case of 30 ° ～ 90 °, the fire should not bounce when it hits the floor. 4.1.5 Sound insulation The walls around the room should have sound absorption. The environmental noise limit shall comply with the Class 1 acoustic environmental function in Table 1 of 5.1 of GB 3096-2008 The area regulations and the sudden noise regulations in 5.4, the outdoor noise caused by gunfire should be less than 70dB. 4.1.6 Wall in shooting direction It shall have the functions of fire prevention, anti-bouncing and anti-penetration. Decoration materials meet the requirements of Chapter 2 and 3.2 of GB 50222-1995, fireproof The rating is not lower than B1 in Appendix A. Police pistols, 79-type miniature assault rifles, non-standard firearms are not less than 5m from the muzzle point. When the firing angle is 30 ° ～ 90 °, the fire should not bounce when hitting the wall. 4.1.7 Ventilation Equipped with a strong smoke exhaust device to ensure that gunpowder smoke produced by guns can be quickly discharged to the outside, and fresh fresh air is guaranteed. Requires no less than 20 ventilations. 4.1.8 Temperature The indoor temperature should be controlled between 16 ℃ ～ 28 ℃. 4.1.9 Humidity The indoor humidity should be controlled below 65%. 4.1.10 Lighting The indoor adopts embedded grille fluorescent lamps or other lighting fixtures and emergency lighting devices, according to Table 5.5.1 in 5.5.1 of GB 50034-2013 The minimum illumination is not less than 500 Lux. 4.1.11 Water supply and drainage The water inlet and overflow pipes should be set according to the equipment conditions to ensure that the water inlet and drainage are smooth and reliable. The overflow flow should be greater than the inlet flow. 4.1.12 Communication Intercom equipment or emergency call equipment should be installed to achieve barrier-free communication inside and outside the laboratory. 4.1.13 Fire safety Fire alarms should be installed, and sufficient fire extinguishers or other fire-fighting equipment should be provided according to the size of the area used; Comply with the requirements for classification and fire resistance of 5.1 civil buildings in GB 50016-2014, and the decoration materials should meet the internal decoration of common buildings in Appendix B Classification of material combustion performance. The fire protection level should not be lower than the B1 level in A of Appendix of GB 50222-1995. 4.1.14 Anti-small animal entry device Air ducts, fresh air vents, water pipes, door bottoms and other parts shall be provided with anti-arthropod and rodent entry devices. 4.1.15 New air outlet It should be installed in a clean area above the indoor suspended ceiling and free of pollution sources around. It should be provided with protective facilities and should not be in the same direction as the exhaust vent. The size of the new air outlet is determined according to the design requirements. GA/T ××××-×××× 4.2 Environmental requirements The gun elastic energy inspection room should be built on the first floor (ground floor). When it is built above the first floor, it should be done on the ground according to the structure and equipment of the house. Load-bearing processing. 4.3 Laboratory equipment configuration requirements 4.3.1 The elasticity inspection room of ordinary dangerous guns shall be equipped with the following main equipment. a) Dangerous firearm shooting rack; b) warhead collector; c) projectile velocimeter; d) Mobile bullet-proof shooting observation device. 4.3.2 The elasticity inspection room of a shotgun is to be equipped with the following main equipment. a) Shotgun shell speed measurement system; b) Shotgun water collector; c) Remote shotgun distribution tester; d) Mobile bullet-proof shooting observation device.

5 Acceptance methods

5.1 Acceptance of Gun Elasticity Laboratory Building 5.1.1 Use area Use a rangefinder to measure and determine whether the results meet the requirements of 4.1.1. 5.1.2 Door Consult the material qualification documents, compare the design drawing requirements, and determine whether the results meet the requirements of 4.1.2. 5.1.3 Ceiling Check the qualified documents of the materials, compare the requirements of the design drawings, and determine whether the results meet the requirements of 4.1.3 anti-bouncing function. press The acceptance method of B1 grade materials in Appendix A of GB 50222-1995 determines whether the results meet the requirements of 4.1.3 fire rating. 5.1.4 Floor Check the qualified documents of the materials, compare the requirements of the design drawings, and determine whether the results meet the requirements of 4.1.4 Anti-Bouncing Function. press The acceptance method of B1 grade materials in Appendix A of GB 50222-1995 determines whether the result meets the requirements of 4.1.4 fire rating. 5.1.5 Sound insulation The noise tester is used for testing, and it is tested according to the methods 6.1 and 6.2 in GB 3096-2008 to determine whether the results meet the requirements of 4.1.5. 5.1.6 Wall in shooting direction Check the qualified documents of the materials, compare the requirements of the design drawings, and determine whether the results meet the requirements of 4.1.6 Anti-Bouncing Function. press The acceptance method of B1 grade materials in Appendix A of GB 50222-1995 determines whether the result meets the requirements of 4.1.6 fire rating. 5.1.7 Ventilation GA/T ××××-×××× According to the calculation of the exhaust air volume of the exhaust equipment and the site environment, it is determined whether the result meets the requirements of 4.1.7. 5.1.8 Temperature After the air-conditioning system runs for 30 minutes, it is.200mm downward from the air outlet and tested with a thermometer to determine whether the results meet 4.1.8 Claim. 5.1.9 Humidity Use a hygrometer to determine whether the results meet the requirements of 4.1.9. 5.1.10 Lighting Use an illuminance meter to determine whether the results meet the requirements of 4.1.10. 5.1.11 Water supply and drainage Water injection experiments are performed on the pipeline to determine whether the results meet the requirements of 4.1.11. 5.1.12 Communication Accept the technical standards of the product and determine whether the results meet the requirements of 4.1.12. 5.1.13 Fire safety According to the classification of the combustion performance grades of building interior decoration materials in Appendix B of GB 50222-1995, and the acceptance method of B1 grade materials in Appendix A, The result of the determination is whether it meets the requirements of 4.1.13 fire rating. 5.1.14 Anti-small animal entry device Visual inspection to determine whether the results meet the requirements of 4.1.14. 5.1.15 New air outlet Based on the design drawing requirements, determine whether the results meet the requirements of 4.1.15. 5.2 Acceptance of environmental requirements Visual inspection to determine whether the results meet the requirements of 4.2. 5.3 Acceptance of laboratory equipment configuration 5.3.1 Visual inspection to determine whether the results meet the requirements of 4.3.1. 5.3.2 Visual inspection to determine whether the results meet the requirements of 4.3.2. GA/T ××××-××××

Appendix A

(Informative appendix) Schematic A.1 The schematic diagram of the elastic energy inspection room of ordinary dangerous gun is shown in Figure 1. Figure A.1 Schematic diagram of the elastic energy inspection room of ordinary dangerous guns A.2 The schematic diagram of the elastic energy inspection room for shotguns is shown in Figure A.2. Figure A.2 Schematic diagram of the elastic energy inspection chamber of a shotgun danger gun GA/T ××××-×××× A.3 The schematic diagram of the overall bullet laboratory structure is shown in Figure A.3. Figure A.3 Schematic diagram of the overall bullet laboratory ......

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