Hi guys

 

Thanks for the various replies

 

Andrew - had read through the Scottish stuff a while but couldn’t remember what it was called, or where to find it! But being reminded of it helps focus my thoughts – I think what I was trying to get at is the difference between known extents, potential and discovery polygons. Though I think Discovery polygons is a bit of a weird one – I get it, but am not sure it would be a priority for us.

 

Keith – could you send me the manuals please?

 

Others – what I was trying to ask is related to what SHED got at – are you polygonising potential, or only known extents? Or both eg the suspected route of a Roman road as well as the bits where is known to exist, for example?

 

thanks

 

 

Hi Nick,

 

I know you’re in a different country 😉 but up here the SHED scheme has been looking at polygonization for some time.

 

We have an understanding that HES record Known Site Extent Polygons (Middleton 2015), but that Local Authorities also need to record areas of known potential, defined as an Area of Archaeological Interest:

 

“4.1  An Area of Archaeological Interest polygon defines the limits of known upstanding and prospected remains, and the extrapolation of that information to assess the potential fuller extent of a heritage asset. The polygon will be created based primarily on sources and professional judgement. Area of Archaeological Interest polygons should include a buffer and should be plotted against the largest map scale available. The shape of the polygon does not define the limit of the known extent, but rather includes it within the larger polygon.”

 

See

http://smrforum-scotland.org.uk/wp-content/uploads/2016/11/SHED-Technical-spec-2_Area-of-Archaeological-Interest_2017_V2.2.pdf

 

The document contains links to other works undertaken on this.

 

Cheers

 

Andy

 

 

 

Hi folks

 

We have started work on polygonising our records, and having had a bit of a play need to come up with some sort of policy/manual so we have consistency. The playing phase has thrown up some things to consider, and previous experience means I am aware of some others.

 

I am aware of various guidance on this (eg MIDAS etc) , but has anyone actually written a manual on what they polygonise (and as importantly what they don’t) and why they made those distinctions, they would be willing to share so I can benefit from previous experience/pinch all your good ideas?

 

I have some ideas and it seems there is no perfect solution, there will always be trade offs, but it would be useful to get anyone elses views on this, even if its just via email if you don’t have a formal document

 

tar

 

 

best wishes

 

Nick Boldrini

Historic Environment Record Officer

Archaeology Section

Heritage, Landscapes and Design Team

Planning Service

Regeneration and Local Services

Durham County Council

County Hall

Durham

DH1 5UQ

Direct: 03000 267008

Switchboard: 03000 26 0000

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