Maintenance of Value through sustainable cleaning methods 清洗维护的价值

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Table of content: 内容

1. Outline of the issue 大纲

2. Implication for stakeholders 相关方的意义

3. Challenge for stakeholders (SH) 相关方的挑战

4. The GRM quality standard 质量要求

5. Sample of sustainable cleaning methods 样品清洗

6. References of GRM members GRM 会员参考

7. Conclusion 结论

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1. Outline of the issue

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Opel Corsa Opel Corsa

1. Outline of the issue

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Cause: • sulphur dioxide/sulphur trioxide硫化物• dust 灰尘• carbon black 炭黑• salt 盐• chloride (maritime climate) 氯化物• UV radiation 紫外线• acid rain 酸雨• contamination by other external factors 其它的污染

• transformation of surface 表面的转变• reduce corrosion resistance 减少腐蚀

Effect:

object: WestLB AG, Düsseldorfsurface: anodized aluminium

table 2: interval for cleaning

1. Outline of the issue

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time

state of the facade

chart: expected useful life of a facade

10-15 years

cleaning

restoration of surface

table 1: useful life of materials

2. Implication for stakeholders (SH)

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SH

architect

coater

facade adviser/m

anag.

owner

user

• coating needs a min. of maintenance

• increase customer satisfaction

• to ensure guarantee

• cleaning needs to be considered

• accessibility• surface fits to

environment

• extend useful life • customer satisfaction

• guarantee income from rent and lease

• return on investment (ROI)租借回报率

• image• employee

satisfaction

3. Challenge for stakeholders 挑战

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cleaning• be aware that cleaning extends useful life of a facade

• customer/employee satisfaction

cleaning company• quality hardly assessable by non-experts• poor quality often visible after months only

quality standard• GRM has determined a quality standard and• established quality assurance and test specifications

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GRMmember

qualifi-

cation

pro-cedur

e

exec-ution

monit-oring

quality

mark

4. The GRM quality standard • qualified craftsman`s shop or similar• regular attend GRM-training courses• min. requirements on plant equipment

• cleaning procedure is defined according to the type of facade

• strict requirements for cleaning agent

• creation of sample cleaning surfaces

• notifaction to quality assurance association office

• independent testing institute

• assesssment by quality committee

• quality mark after 2 positive initial monitoring tests

• quality mark can be withdrawn

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5. Sample of sustainable cleaning methods

Cleaning of an anodized facade 氧化幕墙的清洗GRM – cleaning class B11 and P14Cleaning steps:

1. prewash with water containing surface-active agent 预水洗

2. abrasive basic cleaning 研磨清洗 3. finally rinse with water 水洗4. preservation and polish 防护上光

object: public building, Stuttgart cleaner: Rudolf Ambruch Fassadenpflege GmbH

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Cleaning of a coated facade 喷涂幕墙的清洗GRM – cleaning class B12 and P14Cleaning steps:

1. prewash with water containing surface-active agent

2. abrasive basic cleaning using a plastic pad or similar

3. finally rinse with water4. preservation and polishobject: IHK Ulm

cleaner: Rudolf Ambruch Fassadenpflege GmbH

5. Sample of sustainable cleaning methods

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Cleaning of a stainless steel facade GRM – cleaning class B12 and P14不锈钢的清洗Cleaning steps:

1. prewash with water containing surface-active agent

2. abrasive basic cleaning using a plastic pad or similar

3. finally rinse with water4. preservation and polishobject: VW, Wolfsburg

cleaner: Rudolf Ambruch Fassadenpflege GmbH

5. Sample of sustainable cleaning methods

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Cleaning of a metallic coated facade GRM – cleaning class Z5 and P14金属涂层的清洗

Cleaning steps:

1. prewash with water containing surface-active agent and use a sponge or soft brush

2. finally rinse with water3. preservation and polish

object: business unit, Frankfurtcleaner: Rudolf Ambruch Fassadenpflege GmbH

5. Sample of sustainable cleaning methods 样品的清洗方法

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6. References of GRM members GRM 客户

BMW World

Wolfsburg (VW)

Commerzbank

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7. Conclusion 结论

cleaning is a necessity 清洗的必要性

Substantially 本质

1. no transformation of surface 表面没有变化

2. no corrosion 没有腐蚀3. extend useful life of a

facade 增长使用寿命

Economically 经济性

1. increase income from rent and lease2. increase sale prices 增值3. increase convenience of employees4. image 形象提高5. reputation of coater 喷涂厂的口碑

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8. List of references Ambruch, Rudolf; Gegenbauer, Werner; Lutz, Walter; Pfeiffer, Hans; et al.., 1988. Reinigung und Konservierung

von anodisierten (eloxierten) Metallfassaden Fachbuch, ISBN-103934939120, 1. Auflage, Dettingen/Erms.

Lass, P. Jörn., 2012. Sanierung oder Modernisierung: Wann ist es Zeit zu handeln?. Fassade, 4, pp. 10-12.

Müller, Markus. 2011. Reinigung, Pflege und Instandhaltung von Metallfassaden. Fassade, 3,

pp. 16-17.

Pfeiffer, Hans., 2013. Reinigen oder Sanieren von Metallfassaden – was ist sinnvoll?. Fassade, 5, pp. 8-10.

Pfeifer, Hans., 2006. Wert-Erhaltung von Metallfassaden. JOT, 1, pp 30-33.

table 1: Federal office for buliding industry and land use planning –BBR-, Bonn.

table 2: Pfeifer, Hans., 2006. Wert-Erhaltung von Metallfassaden. JOT, 1, pp 30.

Michael MuellerIFO lnstitut für Oberflächentechnik GmbH

www.ifo-gmbh.de

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