GB 29415-2013 English PDF

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GB 29415-2013: Fire-resistant cable trunking
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 29415-2013	279	Add to Cart	3 days	Fire-resistant cable trunking	Valid

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Basic data

Standard ID: GB 29415-2013 (GB29415-2013)
Description (Translated English): Fire-resistant cable trunking
Sector / Industry: National Standard
Classification of Chinese Standard: C82
Classification of International Standard: 13.220.50
Word Count Estimation: 12,191
Quoted Standard: GB 4208-2008; GB 8624; GB/T 9969; GB/T 9978.1-2008; GB/T 14436; GB 14907; CECS 31-2006
Regulation (derived from): National Standards Bulletin No. 18 of 2013
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies: System and software efficiency indicator system measurement methods, make it possible to meet a variety of different test objectives and test requirements. This standard applies to: System and Software Efficiency measurement and e

GB 29415-2013: Fire-resistant cable trunking

---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.
Fire-resistant cable trunking ICS 13.220.50 C82 National Standards of People's Republic of China Fire-resistant cable tray Issued on. 2013-09-18 2014-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard 5.3,5.4,5.5 and Chapter 7 are mandatory, the rest are recommended. This standard was drafted in accordance with GB/T 1.1-2009 given rules. The German standard reference standard DIN4102-12.1998 "Fire behavior of building materials and building components - Part 12. Cable Systems Circuit integrity maintenance requirements and testing "related to the development of technical content. The standard proposed by the People's Republic of China Ministry of Public Security. This standard by the National Standardization Technical Committee member fire building fire resistance of the Technical Committee (SAC/TC113/SC8) centralized. This standard is drafted by. Ministry of Public Security in Tianjin Fire Research Institute. Participated in the drafting of this standard. Shishi City Tianhong Metal Products Co., Ltd. The main drafters of this standard. Li Bo, Zhao Huali, Michael, Leahy whole, Dong Jing, Wang Peiyu, Nguyen Tao, Diaoxiao Liang, Wang Lan, Bai Shuying. Fire-resistant cable tray

1 Scope

This standard specifies the terms and definitions fire resistant cable tray, product classification, requirements, test methods, inspection rules and signs, packaging, transportation And storage. This standard applies to industrial and civil use of the indoor environment, fire-resistant cables laid below 1kV cable trays. Outdoor ring Habitat use of fire-resistant cable tray can refer to this standard.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 4208-2008 shell protection (IP code) GB 8624 Classification for burning behavior of building materials and products GB/T 9969 General Instructions industrial products GB/T 9978.1-2008 building components resistance test methods - Part 1. General requirements GB/T 14436 General industrial products assurance documents GB 14907 fireproof coatings CECS31.2006 steel cable bridge engineering design specifications

3 Terms and Definitions

CECS31.2006 and defined the following terms and definitions apply to this document. 3.1 Fire-resistant cable tray fire-resistantcabletrunk Cable tray system, a key component of a non-porous or perforated tray and the tray cover and meets the prescribed fire to maintain the working time Requirements for paving and support continuous rigid structure cable and associated connecting devices. 3.2 Refractory maintain working time workingdurationunderfiretest Fire resistance tests conducted under standard temperature conditions, since the start of the test to the 3A fuse blow time within the sample compartment cable connections. 3.3 Additional load additionalload When applied to the trays fire resistance test load, when the value of the sample compartment and the rated load test from cable laid in the groove box Weight difference.

4 Products

4.1 Classification and Code 4.1.1 fire-resistant cable tray (hereinafter referred to as "trays") according to the following structure is divided into two categories, the classification code in Table 1. a) compound and the general type, wherein the composite type can be divided into lattice type and sandwich-type; b) non-breathable and breathable. Table 1 compartment by structure type and classification codes Structure type Compound Fasting sandwich-type formula normal type Code FK FX P Code TFK TFX TP 4.1.2 compartment fire resistance is divided into four (Table 2). Table 2 compartment fire resistance rating Fire resistance classification F1 F2 F3 F4 Refractory maintain working time min ≥90 ≥60 ≥45 ≥30 4.2 Model Model methodology trays are as follows. Example 1. Normal structural type and is breathable, the internal width of 400mm, height 150mm, fire-resistant properties of class F1 (refractory time the sustain operation ≥90min), enterprise custom content type abc, compartment model is expressed as. NDH-TP400 × 150-F1-abc. Example 2. structural type composite sandwich-type and non-breathable, internal width 600mm, height 150mm, fire resistance level of F2 (refractory maintain Working Hours ≥60min), enterprise custom content type abc, compartment model is expressed as. NDH-FX600 × 150-F2-abc. 4.3 Specifications Groove box specifications usually trays internal width and height that its common specifications in Table 3. Table 3 trays common specifications in millimeters The groove width of the box Groove box height 40 506,080,100,150,200 60 √ √ 80 √ √ √ 100 √ √ √ √ 150 √ √ √ √ √ 200 √ √ √ √ 250 √ √ √ √ √ 300 √ √ √ √ √ 350 √ √ √ √ √ 400 √ √ √ √ √ 450 √ √ √ √ √ 500 √ √ √ √ 600 √ √ √ √ 800 √ √ √ 1000 √ √ √ Notes. √ indicates common specifications.

5 Requirements

5.1 Appearance Each member surface 5.1.1 trays should be smooth, not allowed to have cracks, indentation and apparent irregularities, hammer marks, burrs and other defects. 5.1.2 groove weld surface of the cartridge should be smooth, not allowed to have pores, slag, porosity and other defects. 5.1.3 protective layer trays coated parts should be uniform, there should be no flaking, peeling, raised, leakage flow coating or other defects. 5.1.4 trays mark on the nameplate applied should be solid, reliable, nameplate legible and easy to read, the contents of which shall conform to 8.1. 5.2 Material and Finish 5.2.1 Materials used in making trays and structure should meet the design requirements. 5.2.2 trays produced using sheet metal, the minimum thickness of the sheet should be consistent CECS31.2006 specified in 3.6.2. 5.2.3 trays produced non-metallic sheet, the combustion performance should be consistent with the provisions of GB 8624 A-level. 5.2.4 trays fabricated with a core materials, the combustion performance should be consistent with the provisions of GB 8624 A-level. 5.2.5 trays surface of metal parts should be galvanized or other anti-corrosion coating process according to the different environmental needs, should meet the quality of anti-corrosion treatment Co CECS31.2006 specified in the 3.6.16,3.6.17,3.6.18 and 3.6.19. 5.2.6 trays were surface-coated steel structure fire fire protection, coating performance should be consistent with the provisions of GB 14907. 5.3 carrying capacity The maximum deflection shall be marked with the groove box factory compartment in the technical documentation rated uniform load, trays rated to withstand even Loads Its span ratio should not exceed 1/200. 5.4 Degree of protection Compartment as the laying of cables and associated connecting member of the housing, the protection level not less than GB 4208-2008 predetermined IP40. 5.5 fire resistance Fire Resistance compartment shall comply with the provisions of Table 2.

6 Test methods

6.1 Appearance Trays of visual appearance, hand touch method of combining inspection. 6.2 Material and Finish Sheet metal thickness used in production 6.2.1 compartment using micrometer to measure, for each part (or the bottom tray, ladder, side panels and cover, etc.) Sheet metal thickness used should be examined separately; in the case of a groove member arbitrarily selected five different regions, each cut one size does not Less than 50mm × 50mm square metal plate, the thickness measured value of the position of its center point, take the average of five measurements as This means using the test results of the sheet thickness. Combustion Characteristics 6.2.2 trays used in the production of non-metallic sheet material in accordance with the provisions of GB 8624 will be tested. 6.2.3 trays used in the core materials combustion performance GB 8624 according to the provisions of the inspection. 6.2.4 The quality of surface corrosion treatment compartment metal member by CECS31.2006 stipulated 3.7.3,3.7.4 of inspection. Brushing the surface of steel structure fire performance 6.2.5 trays according to the provisions of GB 14907 for inspection. 6.3 carrying capacity Carrying capacity trays by CECS31.2006 provisions of Appendix B of the inspection. 6.4 Degree of protection Groove box degree of protection should be GB 4208-2008 were tested. 6.5 fire resistance 6.5.1 Test apparatus 6.5.1.1 fire resistance test furnace should be consistent with GB/T 9978.1-2008 requirements in Chapter 5. Temperature measuring instruments shall be arranged in line with GB/T 9978.1-2008 8.1 requirements, pressure measuring instruments shall be arranged in line with GB/T 9978.1-2008 8.2 requirements. 6.5.1.2 Test transformers three-phase star-connected power transformer rated current at the test voltage shall not be less than 3A; transformer Each corresponding via a 3A fuse box with the groove laying cable is connected, and must be grounded neutral circuit in series into a 5A Fuse. 6.5.1.3 Fast Fuse uses RLS series of quick fuse, the fuse is rated for 3A and 5A. 6.5.2 Test conditions Elevated temperature 6.5.2.1 fire resistance test furnace should be consistent with GB/T 9978.1-2008 6.1 requirements. 6.5.2.2 fire resistance test furnace pressure conditions should be consistent with GB/T 9978.1-2008 6.2 requirements. When supervision and inspection, according to the specific installation of the bridge; 6.5.2.3 trays exposed to fire conditions in the fire resistance test furnace was surrounded by the fire The decision by the fire compartment surface range. 6.5.3 Specimen requirements The total length of the flame - 6.5.3.1 specimen of not less than 4m, and should contain at least one joint. 6.5.3.2 specimens connector should be consistent with the actual usage. 6.5.3.3 way can support column or hanger support, the support structure provided by the laboratory (such as requester of the test have special requirements, can be self-supporting Support structure), the height should meet the requirements of the groove box surrounded by the fire, and to ensure that the top surface of the cartridge from the slot and fire resistance test furnace roof inside is not Less than 550mm. 6.5.3.4 test cable should meet the following requirements. a) power cables. A rated voltage of 600/1000V insulated, PVC sheathed power cable. VV3 × 4 1 × 2.5 600/1000V; 1 Gen rated voltage 600/1000V insulated, PVC sheathed power cable. VV3 × 50 1 × 25 600/1000V; b) control cable. A rated voltage of 300/500V PVC insulated, PVC sheathed, general shield computer power Cable. DJYVP1 × 2 × 1.5 300/500V; 1 Gen rated voltage of 450/750V PVC insulated, PVC sheathed Control cables. KVV2 × 1.5 450/750V. 6.5.4 Install 6.5.4.1 installed in the fire resistance test furnace good column or hanger support, and then install trays, trays supported at both ends in the fire resistance test furnace On both ends of the fulcrum, the installation diagram shown in Figure 1. 6.5.4.2 The test cable at an angle bend, laid directly on the bottom surface of the groove box, bending the cable closest to the side of a cartridge slot Cable section not larger than a distance from the side plate 10mm, both ends of the cable box out of the slot lengths not less than 500mm, as shown in Fig. 6.5.4.3 After installing the cable trays and laying of the test, the additional load applied uniformly groove box, the mount point should avoid the test cable. 6.5.4.4 The tank lid cover plate ends with a lightweight non-combustible material closure. The laying of the cable at both ends of each of the organic material stripping 100mm go with. One end of the cable and a transformer connected to the conductive core properly processed for electrical connection, and the other end should be separated from the core to Avoid contact with each other. By a three-phase power cables with voltage transformer, control cables connected to two phase transformer, while the groove metal box Member should be grounded. According to FIGS. 3 and 4 wiring. 6.5.5 Test Procedure Beginning and end of the test 6.5.5.1 The cable is energized, and adjust the test transformer, the voltage applied to the test cable for rated voltage. Check fire resistance test furnace Internal thermocouple recorded initial temperature, fire resistance test furnace when the core temperature reaches 50 ℃, all measuring instruments to work, test Start. 6.5.5.2 The requirements shall be observed during the test. During the test, if the 3A fuse blows, the test may be terminated; if 3A Although not blown fuse, but it has reached the desired fire resistance test time requirements, but also to stop the trial. During the test, unrelated persons should stay away from the test apparatus. Millimeters Explanation. 1 --- roof; 2 --- test fittings; 3 --- trays; 4 --- support points; 5 --- furnace wall; 6 --- furnace; 7 --- support (column or hanger). Figure 1 diagrams trays installed in the fire resistance test furnace Millimeters Explanation. 1 --- trays; 2 --- cable clip; 3 --- test power cables; 4 --- test control cables; r1, r2 --- cable minimum bend radius (power cable r1 = 4D, control cables r2 = 10D, D is the outer diameter of the cable); B --- compartment width. Figure 2 a schematic view of the cable management slot box Explanation. 1 --- furnace; 2 --- trays; 3 --- power cable (four-wire surge).

3 Power Cable

Explanation. 1 --- furnace; 2 --- trays; 3 --- control cable (double wave). Figure 4 Control Cable 6.5.5.2 Measurement and Observation During the test, measurement and observation should be carried out as follows. a) fire resistance test furnace temperature, measured once every 1min and recorded; b) fire resistance test furnace pressure measured once every 2min and recorded; c) refractory to maintain working time, after the start of the test, 3A fuse always observe the situation and 3A fuse blow time record. 6.5.6 determination condition If the 3A fuse blows, it means that the cartridge slot has been unable to maintain its internal cables continue to work at this time is to maintain the work compartment fire time.

7 Inspection rules

7.1 factory inspection Chapter 5 requirements project, 5.1 full inspection program to deal with trays of products piece by piece inspection; 5.2 to 5.5 for the sampling items Currently, manufacturers should develop specific sampling plan. 7.2 Type inspection 7.2.1 When one of the following occurs, type inspection should be carried out. a) production of new products or old products to the plant when; B) after the official production, product structure, materials, production processes, which are major changes that may affect the quality of the product when; c) Product Discontinuance more than one year, the production recovery; d) the occurrence of major quality accidents; e) the mandatory access system when required; f) quality supervision mechanism proposed law type inspection requirements. 7.2.2 Type test project the entire contents of Chapter 5. 7.2.3 Type test sample in the same mass-produced models of product specifications is carried out, the batch base of not less than 30, at least the number of samples For the two. 7.2.4 Type inspection items are all qualified, this batch of product is qualified. If there is any one 5.3,5.4,5.5 failure, this batch of products Ineligible. When nonconforming items 5.1 and 5.2, you can double sampling retest, Ruofu test qualified, this batch of qualified products; Ruofu experience still together Georgia, then this batch of products to be ineligible. 8 signs, packaging, transportation and storage 8.1 mark Trays should be obvious position, which has permanent signs, which shall include. a) Product name, model; b) the production date, product number; c) production plant name and address; d) product trademarks; e) implementation of the standard number. 8.2 Packaging Products allow simple packaging, and shall provide the following documentation with the product. a) a certificate of products, according to GB/T 14436 requirements of published; b) the product specification, according to GB/T 9969 requirements published; c) product installation drawing; d) a list of spare parts and accessories. 8.3 Transport Product placement should be stable during transport, should be firmly tied to avoid traffic collision damage packaging. To Qingtai When handling gently to prevent Due to knock, throwing, pry such acts lead to mechanical deformation damage to the product, the impact of installation. 8.4 Storage The product should be stored in ventilated, dry, sheltered place, classification, layered stacked layer between the spacer and should moisture, and corrosive gas Body quarantine measures. ......

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