About Watershed

Carl Harrop

Director


07464 22 55 47

carl.harrop@watershed.engineering

About

After 30+ years working as a Consulting Engineer with the likes of Buro Happold and WSP, I decided to refocus and start Watershed Engineering, a specialist Public Health Consultancy with a passion for sustainability.


The intention is to provide specialist design support to assist in delivering the best possible designs using the most current approaches.




Qualifications

Fellow of the Society Of Public Health Engineers (FSoPHE)

Fellow of the Chartered Institute of Plumbing and Heating Engineering (FCIPHE)

Member of the Charted Institution of Building Services Engineers (MCIBSE)


Chartered Engineer (CEng)



Publications

CIRIA Guidance on the delivery of blue roofs

Lead author and research contractor for this new document currently being developed.  The guidance aims to be the goto document for this important approach to sustainable drainage.

Rooftop Development Best Practice Guide


Invited to be part of the Rooftop Development Forum Thought Leadership Group contributing to the development of a White Paper exploring the potential for adding furthe accommodation to the top of existing buildings.

CIBSE Guide G

Deputy chair and lead author for several chapters for this industry guidance document covering public health engineering services.

Description title

As a leader in the blue roof industry  I was asked to review the impact of the new British Standard relating to flat roofs and in particular the impact upon the approach to blue roof design.

CIBSE Journal blue roof thinking article

Seen by many as the article that kickstarted the development and uptake of blue roofs this article challenged the perceptions of how to cope with building rainwater drainage in a sustainable fashion.

Australia and New Zealand CIBSE Journal

I was delighted to be invited to introduce the concept of blue roof rainwater attenuation to the CIBSE Engineers in the Australia and New Zealand regions via thier institute journal.


The article, in 2020 allowed me to share my experience and give an insight into the approach in the UK.

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Links and campaigns

We think it’s time to rethink the approach to flat roofs.


  •     Can we improve health and wellbeing by creating active roof spaces that reconnect with nature?
  •     Can we nurture urban biodiversity within the urban roofscape?
  •     Can we reduce food miles and packaging through rooftop agriculture?
  •     Can we prevent urban flooding, through the design of blue roof attenuation systems?
  •     Can we reduce the urban heat island effect and its climate-damaging consequences?


We think so, that is why we are proud to be Champions from the outset of the Roof Revolution.

Go to the Roof Revolution web page
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