Case Study Flashcards by Non McCarthy

You mention PCI document. Who prepared this and what was included?

I assisted the PD in preparing the document, with the PDs review and sign off before issue.

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What is code 4 lead flashing?

Thickness of 1.80 mm and Weight of 20.4 kg/m2

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What determines coding?

Thickness and kg/m2

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Why was this chosen as the most appropriate?

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Can you tell me about the construction type of the building?

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How have you determined traditional brickwork masonry over steel frame with masonry cladding?

Thickness more than 250mm
Brick bond - which was flemish in this case.

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How are the Portland stone architecural features secured into the main structure of the building?

Direct attachment
Strongback systems
Mortar and Pointing

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Did you carry out an Asbestos survey, and what were the results?

Yes, there was no asbestos detected.

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What regulation would you refer to when concerning asbestos?

Control of Asbestos Regulation 2012 (CAR 2012).

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Did you aquire any guarantees during the project?

Yes, FLEXITEC 2020 MATERIALS provided a guarantee for 20 years covering an area of 122m2.

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How was the waterproof system applied?

Dark grey texture applied coating over light greay liquid coating on 18mm board on 150mm

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What assessment was required for the roof waterproofing?

European Technical Assessment for applied roof waterproofing kits provided by a member of EOTA.

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What report was aquired for the roof waterproofing?

BRE Global Classification Report

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What is the BRE Global Classification Report?

Classification report for roof/roof coverings exposed to external fire in accordance with EN 13501-5: 2005 + A1: 2009

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What was the BRE Global Classification Report used for?

Defines the classification assigned to roof/roof covering Flexitec 2020 on 9mm Masterboard calcium silicate base in accordance with EN 13501-5: 2005 + A1: 2009

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What system was used for waterproofing?

Felxitec 2020.

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What marking signifies a decleration of performance?

C E

What is the buildup of the Flexitec System?

18mm OSB Board
Black flexible plastic VCL (0.23 mm)
150mm off white insulation foam with silver foil
Dark grey textured liquid applied coating over light grey liquid coating
Mechanically fixed with screws.

How would you intall the Flexitec System?

Prepared roof surface
Flexitec Primer
1st coat Flexitec Resin with 225g/m2 Restec Fibreglass CSM reinforement
2nd Coat Flexitec Resin

What fire rating does the Flexitec System acheive?

Fire Reating: BRoof (t4) highest rating a flat roof system can acheive

What roof finishes can a Flexitec System be applied to?

Most, including felt, asphalt, concrete, GRP, PVC single ply.

What are the benefits of using the Flexitec System?

Can be installed on most coverings
Seamless
Installed on any shape and sized roof
Waterproof
Rapid installation
Drying time of up to 60 minutes
Suitible application for tempratures ranging from 1 degrees to 30 degrees.

What is ISO?

International Organisation for Standardisaiton

What ISO does the Fleixitec system satisfy?

ISO 9001: Quality Management Systems
ISO 14001: Environmental Management Systems

What was the process of stitch-cracking?

- The instlallation of 'HeliBar' which is a stainless steel reinforing bar used for masonry repair.

Did you have a CCTV Drainage Survey and what was the outcome?

- No major defects, however, a small hole was identified 0.5m down the drain.

What type of lime was used for masonry repiars?

Saint-Astier

What was the lime/sand ratio for restoring stonework?

1 lime : 2 sand (0/3mm)

What was used for the ballustrade/downpipe paint finishes?

Dulux Trade Metalshield Primer followed by 2 coats of Dulux Trade Metalshield Gloss.

How can you tell whether a scaffolding company is reliable?

National Access & Scaffolding Confederation (NASC) Approved

Who deisgned the scaffolding?

A Civil Engineer.

Could you talk me through how you specified repairs to stone features?

Was conservation consent was required for the actual remedial works?

As the property is not listed, it did not require consent.

Can you talk me through how you would deal with an interim valuation application?

Can you talk me through how you went about the practical completion process?

Was there any paperwork that the contractor needed to provide to you as part of your determination as to whether PC had been completed?

Operations and Maintenance Manuals

What British Standard would you refer to for lead flashings?

BS EN 12588 (1999)

What is code 3 lead flashing?

Thickness of 1.32 mm and Weight of 15 kg/m2