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Whitstable Castle

Project: Whitstable Castle, Kent
Client: Canterbury City Council

Survey Date: January 2009

BackgroundWhitstable Castle Rear Elevation

Whilst Whitstable Castle is probably not renowned as a bastion to the defence of Whistable itself, its seat on Tankerton Hill overlooking the harbour has a prominent location for its original purpose in the late 18th Century as a residence. Initial construction was the octagonal tower to which further elements were soon added.

JC White Geomatics was initially involved in 2007, producing a topographical survey of the extensive grounds. Through Lottery Funding the scope of works expanded for which a full measured building survey of the castle was required.

Survey Brief

To provide floor plans, elevations and section drawings of the castle for the following proposed works: New entrance ramp and steps, new reception space, new lift providing access to most levels, existing toilets to be rationalised, new extension to replace the existing, roof and structural repairs, Kitchen improvements.

Whitstable Castle Front ElevationSurvey Methodology

As the companies preferred method for carrying out measured building surveys, TheoLt software was implemented for all internal survey work.

Utilising established external survey control carried out by J C White Geomatics Ltd., an internal control network was established to which survey data was drawn in real time. Additionally all heighting and section information was obtained insitu allowing 90% completed and verified drawings to be passed back to the office for formatting and drawing completion.

A complete external laser scan survey of the elevations was carried out, along with the accessible roof areas. Colour photography was also captured to enhance the scan data. All data was related to the existing site control network using coordinated targets and registered within the Scene processing software.

Digitising was carried out within AutoCAD using Pointools plug-in software. External floor profiles and sectional information was extracted along with the main elevations to complete the internal drawings.

Quality Assurance

Real-time verification checks were taken during the site work by the surveyor using TheoLt’s in-built quality assurance system. Prior to further drawing production in the office hard copies were filed and independently checked. A final site visit was made by a Senior Surveyor to verify the drawings prior to issue.

The building work was completed late 2010 and the Castle is now open to the public.

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Dave Johnson, Eurotunnel

'We have worked with J C White for over 16 years and have found them to be professional and a very favourable company who complete al work in a timely fashion.'

Sam Jarvis, Jarvis Homes

'We have worked with J C White for over 30 years and use them exclusively on all our developments. We have constantly found them to be a professional, efficient and cost-effective company that adds value to our projects.'

CMS Enviro

'J C White is a proficient, professional, relaxed and approachable company.'

Mr & Mrs D Crawley

'My wife and I are very pleased with the survey work that you carried out and our solicitor assures us that on the evidence of your survey, our position is secure for the future. We would like to thank your two young men who carried out the survey for their polite good manners, helpful attitude and professional workmanship.'

Mr Richard A Maltby, Director Maltby Land Surveys Ltd

'I would like to say that JC White Geomatics are relatively local to us and we have come across their work over the years which has always been of a very high standard. I have interviewed a couple of their staff for membership into the ICES and have found them a credit to the profession. The company seems to have a very contented workforce with the management investing heavily into training.'

Dean Bain, Survey Manager Costain

‘We have been working closely with J C White Geomatics for some 6 or 7 years now. They have proved to be accurate, honest, trustworthy and innovative. They also do what they say they will do. They are my first port of call for a wide range of external survey work.’