Sidley Extra Care, Bexhill-on-Sea

Challenge

To de-risk a complex site to ensure pre-contract due diligence.

The project comprised the demolition of a Primary School and the design and construction of 58 units for extra care, including community facilities, cafe and treatment room. To assist the subsidy of the scheme were five houses for outright sale.

Our role was as employer’s agent and Principal Designer and we undertook a proactive role in upfront risk and cost management evaluating price through a single stage tender route but thereafter undertaking a detailed second stage with the successful contractor.

Key Issues

To enhance viability we required to consider the natural topography of the site and utilise a design that worked with the contours of the land and made best use of retaining structures to enhance the size and occupancy of the site.

There was also the challenge of the drainage and services on site, most were uncharted and once these were established we were then able to obtain upfront costs for a new installation to the closest adoptable sewer along with costs for a new pump station to 7th edition to comply with adoptable standards. We did in the first instance look to remove the pumping station but due to location of existing adoptable runs and capacity this proved to be unviable. Our surveys and due diligence we ensured we de-risked a significant part of the design enabling contractors to clearly price the required option.

Successful Outcomes

The procurement process was completed on time and within the client’s budget with a successful strategy put in place to manage both foul and storm water without affecting the design/ layout and efficiency of the scheme.

Lessons Learned

Detailed upfront due diligence with a risk management strategy enabled us to manage cost outcomes and ensure the client obtained value for money.

Quick Facts

Client - Amicus Horizon

Value - £8 million

Description - 58No units for extra care

Roles and Responsibilities - Employer’s Agent, Principal Designer

 

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