as in 2.2.1b) with as in 2.2.1b) 0.50 m above and frequent moisture but with an additional below top edge of different intermediate coating prospective railings from ventilation 2.2.4 surfaces in the ground, anchoring elements in the ground 1 generally no special soil protection, potentially non-aggressive corrosion supplement 2 hot dip galvanising -- if surfaces in the air — are to be galvanised anyway 1 Corrosion supplement independent of the soil aggres object’s working life sive, (particularly 16) 1 GB EP zinc dust 70 Sa 2½ 87 at spec. soil 16) 1 DB EP-combi 120 81 resistance of < 2000 cm) 2 1 GB EP zinc dust 70 Sa 2½ 87 Category IM3 1st ZB EP-combi 120 81 2nd ZB EP-combi 120 81 1 DB EP-combi 120 81 3 construction elements 3.1 railings (including foot plates), touch guards 1 hot dip galvanising -- — in enclosed spaces 2 hot dip galv. -- if colouring is — 1 ZB 1K HS 93 necessary 80 1 DB 1K HS 93 80 3 hot dip galv. -- if colouring is — 1 ZB wv AY on Zn 91 11) necessary 100 4 1 GB 1K HS 80 Sa 2½ 93 1 DB 1K HS 80 93 A 4.3.2 continued 1 2 3 4 5 6 7 Comp. Basic Coating system Nominal dry Surface Materials in Other No corrosion load film preparation TL/TP-KOR- notes thickness Stahlbauten, (m) Annex E No Sheet No 3.1 railings, guards 1 hot dip galv. 15) outdoor 1 ZB 1K HS 80 93 weathering: 1 DB 1K HS 80 93 corrosiveness category up 2 hot dip galv. wv AY-DB are — to C3 1 ZB wv AY on Zn 80 91 11) 1 DB wv AY 80 92 3 hot dip galv. -- under heavy — 11) 1 ZB wv AY on Zn 91 mechanical load 80 1 DB PUR 87 80 4 1 GB EP-zinc dust 70 Sa 2½ 87 1 ZB 1K HS 80 93 1 DB 1K HS 80 93 14) 1 hot dip galv. -- water spray 1 ZB EP 87 area. crushed 80 1 DB PUR 87 stone impact 80
as in 2.2.1b) with frequent moisture from different ventilation as in 2.2.1b) but with an additional intermediate coating 0.50 m above and below top edge of prospective railings 2.2.4 surfaces in the ground, anchoring elements in the ground soil non-aggressive 1 generally no special protection, potentially corrosion supplement 2 hot dip galvanising — -- if surfaces in the air are to be galvanised anyway soil aggres sive, (particularly at spec. soil resistance of < 2000 cm) Category IM3 1 Corrosion supplement 1 GB EP zinc dust 16) 1 DB EP-combi 16) 70 120 Sa 2½ 87 81 independent of the object’s working life 2 1 GB EP zinc dust 1st ZB EP-combi 2nd ZB EP-combi 1 DB EP-combi 70 120 120 120 Sa 2½ 87 81 81 81 3 construction elements 3.1 railings (including foot plates), touch guards in enclosed spaces 1 hot dip galvanising — -- 2 hot dip galv. 1 ZB 1K HS 1 DB 1K HS 80 80 — -- 93 93 if colouring is necessary 3 hot dip galv. 1 ZB wv AY on Zn 100 — -- 91 if colouring is necessary 11) 4 1 GB 1K HS 1 DB 1K HS 80 80 Sa 2½ 93 93 A 4.3.2 continued 1 2 3 4 5 6 7 Comp. No Basic corrosion load Coating system Nominal dry film thickness (m) Surface preparation Materials in TL/TP-KOR- Stahlbauten, Annex E Sheet No Other notes No 3.1 railings, guards outdoor weathering: corrosiveness category up to C3 1 hot dip galv. 1 ZB 1K HS 1 DB 1K HS 80 80 93 93 15) 2 hot dip galv. 1 ZB wv AY on Zn 1 DB wv AY 80 80 — 91 92 wv AY-DB are 11) 3 hot dip galv. 1 ZB wv AY on Zn 1 DB PUR 80 80 — -- 91 87 under heavy mechanical load 11) 4 1 GB EP-zinc dust 1 ZB 1K HS 1 DB 1K HS 70 80 80 Sa 2½ 87 93 93 water spray area. crushed stone impact 1 hot dip galv. 1 ZB EP 1 DB PUR 80 80 14) -- 87 87
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