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No. 4 St Paul‘s Square, Liverpool

Concepts

Products

Service

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Project ReportNo. 4 St Paul‘s Square, Liverpool

Regarded as one of the most signifi cant commercial developments in Liverpool city centre, the building provides a total of 10,000 m2 of high quality Grade A offi ce space over eight fl oors and is the focal point for Liverpool’s Central Business District.

No. 4 St Paul’s Square is rated BREEAM 'Excellent' and won an RICS award for best commercial development in the North West and includes sustainable features, such as a sedum roof, water-effi cient taps, cycle racks and a lighting system designed to minimise light pollution and to reduce carbon emissions by more than 22 %.

Client: English Cities FundDeveloper: Muse Developments Main Contractor: Shepherd ConstructionProject Architects: RHWLFacade Engineers: Buro HappoldCompletion date: 2011

Photos: © HUFTON+CROW

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Buildingnew solutions.

Lindner undertakes major projects worldwide in all areas of interior fi t-out, insulation technology, industrial services and building facades. From pre-planning through to project completion Lindner is your partner of choice.The Company’s extensive manufacturing capability enables quality to be strictly maintained whilst allowing maximum fl exibility to meet individual project requirements.Environmental considerations are fundamental to all Lindner’s business principles.

Through partnerships with clients Lindner turns concepts into reality.

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Unitised curtainwall facade

The main envelope installation was achieved using a pre-fabricated and pre-glazed unitised form of construction and without the need for costly scaffolding. Elements were installed using our own fl oor cranes and the “Table Method” as shown below.

This method allows facade elements to be passed over the top of the handrails and installed with the slab edge protection remaining in place providing a safety barrier for our operatives and others on site.

The bespoke curtain wall elements, typically 1.5 m wide by 3.905 m high, were manufactured off-site at our Head Quarters in Arnstorf, Germany and delivered to site by road.

The vertical feature fi ns, where required, were fi tted to the elements before installation.

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Scope of worksFacade types and scopeDesign, manufacture and installation of bespoke structural silicone glazedcurtain wall system including:- 5,500 m2 unitised facade- Feature fi ns with Kapilux capillary tube insulation in glazed panels- Feature Kapilux double glazed shadow boxes and vision panels- Bolt fi xed glazed entrance and motorised doors- Bolt fi xed entrance canopy- Copings, metal panels and doors- Feature glazed “prow”

Interior fi t out scope:- 200 m2 fi re rated internal partitioning to entrance lobby

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Unitised Facade to Offi ce Areas

The main envelope is comprised of pre-fabricated and pre-glazed curtain wall elements with a natural anodised fi nish. The system is a structural silicone glazed (SSG) design which incorporates a small sub-frame to aid re-glazing. Vertical feature fi ns have an aluminium perimeter frame that has a double glazing unit with Kapilux capillary tube type insulation inside. This material is also used in parts of the vision glazing to add visual interest.

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Facade performance test to CWCT sequence B - Watertightness static and dynamic: 600 Pa - Air permeability: 600 Pa- Thermal insulation curtain wall (typical): Ucw 1.4 to 1.6 W/m2K - Thermal insulation glazing: Ug 1.1 W/m2K - Solar shading / glazing g value: 0.33- Light transmission: 60 %

Technical details

Typical elevation and

section details of glazing

system and fi ns

The facade was tested to CWCT sequence B to 600 Pa, including dynamic aero engine test. Double glazed units to the vision areas had a combined high performance solar control and low-e coating to give high thermal insulation and high solar shading yet allow high light transmission through the glazing.

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Glazed Kapilux feature fi ns

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Enlarged view of feature fi ns

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Main entrance with fi re rated partitioning

Offi ce interior view of feature fi ns

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Shadow boxes and translucent Kapilux insulation

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Lindner Fassaden GmbH

Georgstrasse 294424 Arnstorf GermanyPhone +49 (0)8723/20-35 00Fax + 49 (0)8723/20-35 35Lindner-Fassaden@Lindner-Group.comwww.Lindner-Group.com

Lindner Facades Limited

Lindner House317 Putney Bridge RoadLondon SW15 2PGUnited KingdomPhone +44 (0)20 8246 6300Fax +44 (0)20 8246 6301Lindner-Facades@Lindner-Group.comwww.Lindner-Group.com

This document is the intellectual property of Lindner, Arnstorf (Germany). All the information contained in this brochure agrees with the information available at the time of its printing and only serves as advance information. Any possible colour deviations there might be from the original product are caused by printing-related reasons. Lindner is the sole and exclusive owner of the copyrights as well as the ancillary copyright. All use, and in particular any distribution, reprinting, exploitation or adaptation of this document shall only be allowed with express, written approval by Lindner.

Lindner Concepts:

- Insulation Engineering- Clean Rooms and Laboratories- Airports and Airlines- Railways and Tunnels- Studios and Concert Halls- Interior Fit-out and Furnishings- Cruise Liner and Ship Fit-out- Hotels and Resorts- General Contracting

Lindner Products:

- Facades- Steel & Glass- Roofi ng Systems- Ceiling Systems- Lights and Lighting Systems- Partition Systems- Doors- Floor Systems- Heating and Cooling Technologies- Dry Lining Systems

Lindner Service:

- Green Building- Deconstruction and Gutting- Clearance of Harmful Substances- Industrial Scaffolding- Research and Development- Delivery- General Planning- Installation- Maintenance and Industrial Service- Public-Private Partnership (PPP)

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