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1 All following documents were translated from the original german document, which can be found in our system overview or on our website. In case of doubt the german version is valid first. All translations of the official certifications are valid only together with the stamped german original. Flamro Brandschutz-Systeme GmbH Auf der Trift Egelsbach Telefon +49(0)6103/ Fax +49(0)61 03/ Internet Gerichtsstand: Offenbach I HRB Amtsgericht Offenbach USt-IdNr. DE / St.-Nr.: 109/5808/0764 Geschäftsführer Jürgen von Ah, Dr. Rupert Pentenrieder Bankverbindung: BNP PARIBAS SA, Frankfurt Konto (BLZ ) IBAN: DE BIC: BNPADEFF

2 - Certified translation from German - DEUTSCHES INSTITUT FÜR BAUTECHNIK DIBt (GERMAN CONSTRUCTION ENGINEERING INSTITUTE) Admission office for construction products and construction methods Technical Testing Institute Member of the European Organisation for Technical Approvals (EOTA) and of the European Union for the Agreement in the Building Industry (UEAtc) and of the World Federation of Technical Assessment Organisations (WFTAO). 6 November 2012 Reference no.: III /12 General Technical Approval Approval Number: Applicant: Z Brandchemie GmbH Auf der Trift 8 D Egelsbach Germany Approval Object: Fire protection covering BC-Brandschutz KVB cable bandage (BC- Brandschutz -Bandage KVB) Valid from: 1 November 2012 Valid until: 1 November 2017 Round logo stamp: Deutsches Institut für Bautechnik 27 Vom Deutschen Institut für Bautechnik nicht geprüfte Übersetzung der deutschen Originalfassung Translation of the original, not checked or approved by the German Construction Engineering Institute. The abovementioned approval object is hereby granted General Technical Approval. This General Technical Approval comprises seven pages and five Appendices. This General Technical Approval replaces the General Technical Approval No. Z dated 27 October 2010 and the General Technical Approval No. Z dated 15 December 2008, amended and extended through official approval of 21 October DIBt Kolonnenstrasse 30 B D Berlin Tel.: Fax: dibt@dibt.de

3 Page 2 of 7 of the General Technical Approval No. Z dated 6 November 2012 I. GENERAL PROVISIONS 1. The General Technical Approval issued by the German Construction Engineering Institute constitutes proof of usability of the object as defined by State building laws. 2. If the persons entrusted with the manufacture of construction material and kinds of construction must have special expertise and experience as per the General Technical Approval in accordance with the national provisions as per 17 Section 5 of the Model Building Regulation, it has to be made sure that such expertise and experience may also be proved through equivalent evidence issued by other EU member states. This shall also apply to any evidence presented in the framework of the EEC Agreement or of any other bilateral agreements, if applicable. 3. The General Technical Approval does not replace the permits, approvals, and certifications legally required to carry out any construction projects. 4. The General Technical Approval is being granted without prejudice to the rights of third parties, in particular without prejudice to proprietary rights. 5. Manufacturers and distributors of the certification object, without prejudice to the provisions of the Special Terms, must make a copy of the General Technical Approval certificate available to the user of the certification object and must advise the latter that the General Technical Approval certificate must be available at the point of use. Upon request, the relevant public authorities must be provided with copies of the General Technical Approval certificate. 6. The General Technical Approval must only be reproduced in its entirety. A publication in extracts requires the consent of the Deutsches Institut für Bautechnik. Texts and drawings of advertising brochures must not contradict the General Technical Approval. Any translation of the General Technical Approval must contain the notice: Vom Deutschen Institut für Bautechnik nicht geprüfte Übersetzung der deutschen Originalfassung ( Translation of the German original version, not reviewed by the Deutsches Institut für Bautechnik ). 7. The General Technical Approval is being granted with the right of revocation. The provisions of the General Technical Approval may be supplemented and amended subsequently, particularly if new technological findings so require. Round logo stamp: Deutsches Institut für Bautechnik 27

4 Page 3 of 7 of the General Technical Approval No. Z dated 6 November Approval Object and Scope of Application II. SPECIAL TERMS 1.1 Approval Object The certification object applies to the usage of the flame-retardant construction material (building material class DIN 4102-B1 1 ) produced in accordance with the General Building Inspection Certificate No. Z dated 30 November 2011 and foams under the influence of fire. The construction material is called BC-Brandschutz KVB cable bandage ( BC Brandschutz-Bandage KVB ), herein referred to as fire protection textile, and is used as a sheathing for electrical lines (cables) or line systems (cable systems) as per section below. For the electrical lines (cables) or line systems (cable systems) featuring such fire protection textile sheathing it has been proved within the framework of this General Technical Approval that: a) the requirements concerning flame-retardant construction materials (building material class DIN 4102-B1 1 ) are met when the construction material is exposed to an external fire or b) the emergence of a fire is hindered and the fire is prevented from travelling and spreading if the electrical lines (cables) or line systems (cable systems) have been subject to auto-ignition due to a short-circuit or due to overheating. However, this General Technical Approval does not constitute any evidence for simultaneous stress (external fire and auto-ignition). 1.2 Scope of Application Taking building regulations into consideration, applications have been proved with this General Technical Approval for which a) flame-retardant construction materials (building material class DIN 4102-B1 1 ) are required The lines and line systems wrapped with the fire protection textile do not meet the requirements for cables with improved fire behavior. Therefore, such lines and line systems must not be used in areas where only minor smoke emission is permissible due to building regulations. or b) the emergence of a fire as well as the travelling and spreading of a fire via electric lines (cables) or line systems (cable systems) in the case of auto-ignition due to short-circuit or overheating has to be hindered or prevented respectively. Taking the flame retardant properties (building material class DIN 4102-B1 1 ) of the fire protection textile into consideration as per the General Technical Approval No. Z , the permissibility of the utilization for electrical lines or line systems in escape routes is to be decided by the appropriate building supervisory board, e.g. in connection with the fire protection concept The fire protection textile, type BC-Brandschutz KVB cable bandage, may be used for the wrapping of vertically, horizontally, or slantingly installed or arranged single cables 2, cable bundles, and cables or cable bundles on noncombustible cable trays or cable ladders (building material class DIN 4102-A 1 or class A1 and A2-s1,do as per DIN EN The size of the cable or cable bundle and the entire conductor cross-section respectively as well as the size of the cable supporting 1 DIN : Fire behavior of building materials and building components; building materials; terms, requirements, and tests. Round logo stamp: Deutsches Institut für Bautechnik 27 2 Electric lines and wires of all kind (also fibre optic cables) with the exception of wave-guide conductors are permissible. The cables are required to feature normally inflammable properties as per DIN (building material class B2) or DIN EN (class E). 3 DIN EN : Classification of building products and structures due to fire behavior; part 1: classification on the basis of the results of tests on fire behavior of building products.

5 Page 4 of 7 of the General Technical Approval No. Z dated 6 November 2012 structures are not limited. Any subsequent changes to the cable configuration may be carried out (see Section 5.2) for the approval object as per Section 1.1.b). The configuration can be installed in a freely suspended way or on mineral sub-surfaces This General Technical Approval is to give proof of the application of the approval object in terms of fire protection properties for indoor installations. Usability and durability have not been proved with this General Technical Approval and require a separate proof of utilization or applicability taking this General Technical Approval into consideration (if required). Furthermore, the following applications have not been proved: - installation in damp locations or in areas subject to excessive humidity, - installation in areas subject to permanent, direct moistness (e.g. permanent condensation water), - installation in areas subject to direct atmospheric exposure, particularly driving rain, frost thaw cycles, UV irradiation, etc. - installation in areas exposed to outdoor weather conditions, and - installation in areas exposed to chemical substances and aerosols Evidence concerning flame retardant properties (see Section 1.1) has not been given if the surface of the fire protection textile has been covered with any additional coating The provisions of other relevant legal areas remain unaffected. 2 Provisions regarding the building product/design 2.1 Composition and performance specifications Composition Fire protection textile Round logo stamp: Deutsches Institut für Bautechnik 27 In accordance with the General Technical Approval No. Z , the fire protection textile, type BC-Brandschutz KVB cable bandage (BC-Brandschutz -Bandage KVB), must consist of glass filament fabric coated with an agent forming an insulating layer when exposed to fire Fastening materials Fastening of the fire protection textile must take place with suitable metal fastening materials, e.g. tension bands, clamps, or wire (see Appendices 1 through 4) Performance specifications Performance specifications for applications as per Section a) For applications as per Section a), verification of suitability has been carried out on the basis of fire tests following DIN , Section Performance specifications for applications as per Section b) For applications as per Section b), verification of suitability has been carried out on the basis of fire tests following DIN , Section 6.1. The structures are no cable conduits or ductwork as per DIN The performance specifications as per Section and have not been proved under simultaneous stress conditions. 4 DIN : Fire behaviour of building materials and building components; building materials; terms, requirements, and tests. 5 DIN : Fire behaviour of building materials and building components; part 11: path insulations, bulkhead pipe fittings, ductwork, and cable conduits as well as the closing of the inspection openings of the aforementioned components; terms, requirements, and tests.

6 Page 5 of 7 of the General Technical Approval No. Z dated 6 November Installation instructions and marking Installation instructions The applicant of this General Technical Approval has to provide the user with installation instructions which have been drafted by the applicant and which contain at least the following information: - worksteps on how to produce the object(s) of approval professionally, including some information on the fastening materials and on the tools to be applied; - description or illustration of the proper installation and connections of the object of approval; - information on how to fasten the object of approval; - indication of the dimensions of the product(s), also for installation purposes; - information on permissible configurations and executions; - information on subsequent configuration for applications as per Section b) Marking General information The building products to be used for the production of the object(s) of approval must - conform with the provisions as stated in Section 2.1 and - be applicable in the sense of the provisions for the building products contained in the particular state construction codes Marking of the object of approval installed Every object of approval has to be marked permanently with a label containing the following information: - General Technical Approval No , application as per Section a) or General Technical Approval No , application as per Section b) - Name of the installing person/erectors: - Date of installation:. The label has to be fixed on the building component next to the object of approval. If the installing person/erector has carried out several identical applications in an area between spaceenclosing building components as per this General Technical Approval, making with one label is sufficient. 3. Provisions regarding layout and dimensioning 3.1 General information Round logo stamp: Deutsches Institut für Bautechnik 27 The implementations described and illustrated in the drawings in the Appendices 1 through 4 represent the minimum requirements for the fulfillment of the fire protection requirements. Compliance with the provisions of other legal areas remains unaffected by this. 3.2 Adjoining building components The object(s) of approval must always be installed between space-enclosing building components. They must not be run through openings in the adjoining building components. These openings must be closed with a fire break whose usability was verified within the scope of a general technical approval.

7 Page 6 of 7 of the General Technical Approval No. Z dated 6 November Configuration As per Section 1.2.2, the object(s) of approval must be configured vertically, horizontally, or slantingly. 4. Provisions regarding implementation 4,1 Installation Laying the fire protection textile must be carried out in accordance with Section 1.2 and in accordance with Appendices 1 through 4. The specifications in the installation instructions must be observed (see Section 2.2.1) The fire protection textile must always be laid in such a way that the grey side faces inward, i.e. toward the cables and cable systems, and the white side faces outward The fire protection textile must be worked in a longitudinal direction. The cuts are to be dimensioned in such a way that, in the installed state, the covering features an overlap of 50 mm on longitudinal and transverse joints. The fire protection textile is to be placed around the cables, cable bundles, cable trays, or cable ladders, and also, if applicable, around connection areas such as suspensions or mountings, in such a way that there are no gaps, crevices, or other openings left. The minimum overlaps must be adhered to (see Appendices 1 through 4). For sealing, fastening materials as per Section must be applied. The spacing must not exceed 500mm and must be chosen in such a way that the textile is sealed flat (see Appendices 1 through 4) If the fire protection textile is used in connection with not fully occupied cable trays or ladders and there are spaces of > 30mm between the cables and the fire protection textile, interlayers of the fire protection textile in accordance with Section must be inserted (see Appendix 1) Additional coatings must not be applied to the fire protection covering (see Section 1.2.4). 4.2 Implementation of inlets and outlets for applications as per Section b) If cables are to be fed into or out of the fire protection textile for applications as per Section b), such cables must also be equipped with the fire protection textile at a minimum length of 300mm unless additional requirements apply to these cables; otherwise the implementation has to be carried out in accordance with Section 3.2. The connection areas must be executed in such a way that overlaps as per Section are adhered to and no gaps or crevices occur (see Appendix 4). For applications as per Section a), inlets or outlets are not permissible. 4.3 Connections to adjacent components In accordance with Section 3.2, the fire protection textile must always be used between spaceenclosing building components. The fire protection textile must butt-join the respective building component; there must be no gaps or crevices. 4.4 Wall and ceiling installation The fire protection textile may be attached to walls or ceilings in accordance with Appendix 2, lower illustration. The walls or ceilings must at least conform to fire rating F 30, F 60, or F 90 as per DIN The fire protection textile must be implemented in accordance with Section 4.1. The spacing of the fastening materials in accordance with Section is limited to 500mm and must be chosen in such a way that the fire protection textile abuts flat against the wall or ceiling. Round logo stamp: Deutsches Institut für Bautechnik 27

8 Page 7 of 7 of the General Technical Approval No. Z dated 6 November Certificate of Conformity The contractor who installed the object(s) of approval must issue a certificate of conformity for each building project by which the contractor certifies that the object(s) of approval installed by the contractor comply with the provisions of this General Technical Approval (for a sample of this certificate please refer to Appendix 5). This certificate is to be handed over to the builder / building owner for a possibly required forwarding to the appropriate building supervisory board. 5. Provisions regarding utilization, maintenance, and subsequent cable insertion 5.1 Utilization and maintenance With each implementation of the fire protection textile, the contractor must point out to the ordering party in writing that the fire protection effectiveness of the fire protection textile is only ensured in the long run if the fire protection textile is always maintained in a proper condition. 5.2 Measures for subsequent cable insertion If the object of approval is opened for the purpose of subsequent cable insertion or a change in usage, it must be ensured that the fire protection textile is not damaged. Once the change of usage or subsequent cable insertion has taken place, the intended condition of the fire protection covering must be restored in due consideration of Section 4. Peter Proschek Head of Department Certified [signature] Round logo stamp: Deutsches Institut für Bautechnik 27

9 Appendices 1 4 of Approval No. Z dated 6 November 2012 The Appendices 1 4 show examples of the installation of the material concerned and can be provided in English upon request. Please note that the legally binding document is the German original, this translation is for information purposes only. The above translation from the German language into the English language has been done by me as an authorised translator of the German / English languages for the federal state of Hesse, Germany. I hereby state that this English translation complies with the German original presented to me.

10 Appendix 5 of Approval No. Z dated 6 November 2012 Fire Protection Textile Appendix 5 BC-Brandschutz KVB cable bandage (BC-Brandschutz -Bandage KVB) SAMPLE Certificate of Conformity - Name and address of the company that installed the object(s) of approval:.. - Building project:. - Date of installation:... - Implementation as per General Technical Approval No. Z in accordance with Section a) or - Implementation as per General Technical Approval No. Z in accordance with Section b) (delete as appropriate) This is to certify that, with regard to all specifications, the object(s) of approval has/have been installed professionally and in compliance with all provisions of the General Technical Approval No.: Z issued by the German Construction Engineering Institute on. (and, if applicable, the provisions of the change notifications and supplementary notifications of.. )... (place, date) (company / signature) (This certificate is to be delivered to the builder / building owner for a possibly required forwarding to the appropriate building supervisory board.) Round logo stamp: Deutsches Institut für Bautechnik 27

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