BS EN 10220

... BS EN ISO 516 7-1 :2003 National foreword This British Standard is the official English language version of EN ISO 516 7-1 :2003 It is identical with ISO 516 7-1 :2003 It, together ... German version Endorsement notice `,` ,-` -` ,,`,,`,`,,` - The text of ISO 516 7-1 :2003 has been approved by CEN as EN ISO 516 7-1 :2003 without any modifications Copyrig...

Ngày tải lên: 06/11/2013, 17:15

... parts impart, are much wider in their view, on protection against lightning, when assessed against BS 66 51 Part 1: General principles BS EN 62305 -1 (part 1) is an introduction to the other parts ... cultural heritage and economic loss Part 3: Physical damage to structures and life hazard BS EN 62305-3 (part 3) relates directly to the major part of BS 66...

Ngày tải lên: 08/08/2014, 13:21

... management Perception of risk 22 Risk management procedure 23 UK and world maps 28 21 www.furse.com BS EN 623 05 -2 BS EN 623 05 -2 Risk management BS EN 623 05 -2 Risk management BS EN 623 05 -2 is key to ... Risk management procedure | BS EN 623 05 -2 BS EN 623 05 -2 Risk management Identification of tolerable risk RT Once a primary risk Rn has been ide...

Ngày tải lên: 08/08/2014, 13:21

... damage to structures and life hazard Lightning Protection System (LPS) 36 35 www.furse.com BS EN 6 230 5 -3 BS EN 6 230 5 -3 Physical damage to structures and life hazard BS EN 6 230 5 -3 Physical damage to ... Td And (3. 23) (3. 24) NDa = N g × Ad /a × Cd /a × Ct × 10−6 BS 6651 has a flash density map and a world thunderstorm day's map along with an accompa...

Ngày tải lên: 08/08/2014, 13:21

... www.furse.com Catenary (or suspended) conductors | BS EN 62305-3 BS EN 62305-3 Physical damage to structures and life hazard Catenary conductors (air termination) Rolling sphere radius Catenary conductors ... The above concept can be extended to a catenary conductor See Figure 4. 15 At each end of the catenary conductor (A) a cone of protection is created relative to heig...

Ngày tải lên: 08/08/2014, 13:21

... Coefficients for different arrangements -1 for rectangular section, -1.3 for circular section Earthing – General | BS EN 623 05- 3 57 BS EN 623 05- 3 Physical damage to structures and life hazard Earth ... in CENELEC These are: ● BS EN 50 164-4 Lightning protection components (LPC) Part 4: Requirements for conductor fasteners ● BS EN 50 164 -5 Lightning protecti...

Ngày tải lên: 08/08/2014, 13:21

... equipment | BS EN 62 305-3 BS EN 62 305-3 Physical damage to structures and life hazard Maintenance and inspection of the LPS BS 66 51 recommends the inspection and testing of the LPS annually BS EN 62 305-3 ... within the CENELEC rules Consequently Annex C was introduced into BS 66 51 only as a strong recommendation/guidance measure As a result protection was oft...

Ngày tải lên: 08/08/2014, 13:21

... neutral, phase and earth and neutral and earth for a single-phase supply If the distance between an SPD and the equipment to be protected is too large, oscillations could lead to a voltage at the ... (where possible) near potential lightning current routes and the subsequent threat of induced transient overvoltages Aerials or antennae ● Equipment location Cables attached to masts...

Ngày tải lên: 08/08/2014, 13:21

... section of this guide takes all the aforementioned information and leads the reader through a series of worked examples In Example and the long hand risk management calculations are explained The results ... added to several factors relating to lines entering the structure This subscript (P or T) will identify whether the factor relates to the Power or Telecom line (Table A. 3) (Ta...

Ngày tải lên: 08/08/2014, 13:21

... physical damage applicable to various classifications of service provider (eg gas, water, financial, health etc) Loss Lo2 relates to losses due to failure of internal systems applicable to various ... conductors to each other or to metallic installations Conventional earth impedance Ratio of the peak values of the earth termination voltage and the earth termination current, which...

Ngày tải lên: 08/08/2014, 13:21

... Partial risk depending on the source and the type of damage Rural environment Area with a low density of buildings ”Countryside” is an example of a rural environment Separation distance Distance ... 0.1T1 that instant at which the current attains 10% of its peak value Suburban environment Area with a medium density of buildings ”Town outskirts” is an example of a suburban environment...

Ngày tải lên: 08/08/2014, 13:21

... STANDARD EN 205 NORME EUROPÉENNE EUROPÄISCHE NORM March 2003 ICS 83.180 Supersedes EN 205: 1991 English version Adhesives - Wood adhesives for non- structural applications Determination of tensile shear ... thermoplastic wood adhesives for non- structural applications EN 923:1998, Adhesives —Terms and definitions EN 12765, Classification of the...

Ngày tải lên: 30/08/2014, 11:14

... Area for: — tensile test specimen — bend test specimens or fracture test specimens Area for: — additional test specimens if required Area for: — tensile test specimen — bend test specimens or fracture ... (ISO 15614-2:2005) Anforderung und Anerkennung von Schweißverfahren für metallische Werkstoffe - Schweißverfahrensprüfung - Teil 2: Lichtbogenschwei en von Aluminium und seinen Legierungen...

Ngày tải lên: 07/06/2016, 21:30

... withdrawn on a date to be announced Eurocode Superseded British Standards EN 19 91- 1 -1 EN 19 91- 1-2 EN 19 91- 1-3 EN 19 91- 1-4 EN 19 91- 1-5 EN 19 91- 1-6 EN 19 91- 1-7 EN 19 91- 2 EN 19 91- 3 EN 19 91- 4 BS 6399 -1: 1996 ... : EN 19 91- 1-3 EN 19 91- 1-4 EN 19 91- 1-6 Eurocode 1: Actions on structures: Part 1- 3: Snow loads Eurocode 1: A...

Ngày tải lên: 08/12/2016, 22:56

... 2,2 3, 1 3, 3 3, 0 2,1 2,6 3, 1 3, 1 3, 8 4,4 3, 8 2,5 3, 1 3, 8 3, 0 3, 7 4,5 5,5 4,6 3, 0 3, 7 4,5 12 3, 4 4,2 5,1 6 ,3 5,4 3, 4 4,2 5,1 16 4,1 5,1 6 ,3 7,7 6,9 4,1 5,1 6 ,3 20 4,8 5,9 7 ,3 9,0 8 ,3 4,8 5,9 7 ,3 ... execution of masonry Part 3: Simplified calculation methods for unreinforced masonry structures EN 1996- 1-1 describes the princip...

Ngày tải lên: 11/12/2016, 12:23