Case Studies

Case Study 1 - Persimmon Homes, Cardea, Peterborough

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Company: Paul John Construction

Address: Persimmon Homes, Bellona Drive, Stanground, Peterborough, Cambridgeshire, PE2 8GP

Types of Works: Construction of Roads & Sewers and Groundworks up to DPC

Roads Area: 8198 m2

Drive Area: 11315 m2

Number of Plots: 210

Value of Job: £6,540,523

Contract Details:
Construction of adoptable foul and surface water drainage up to 1050mm concrete pipes

Construction of adoptable carriageway Tarmac and Block paving.

Bulk excavation works incorporating Peterborough County Council compaction regime.

Construction of 210 no plots including excavate and pour foundations, blockwork and brickwork to DPC, Associated plot services and drainage, Plot oversites to consist of beam and block floor and RC35 concrete floor slab.

All private and shared driveway surfaces Tarmac and Block Paving, External finishes consisting of top soiling front and rear gardens, slabbing paths front and rear.

Case Study 2 - Redrow Homes, Countesthorpe, Leicestershire

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Company: Paul John Construction

Address: Redrow Homes, Leicester Road, Countesthorpe, Leicestershire

Types of Works: Groundworks and Roads and Sewers

Roads Area: 4815 m2

Drive Area: 5903 m2

Number of Plots: 175

Value of Job: £6,000,000

Contract Details:
Roads and Sewer Infrastructure Works, House foundations and associated external works

Case Study 3 - Persimmon Homes, Weldon Park, Corby, Northamptonshire

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Company: Paul John Projects

Address: Persimmon Homes, Weldon Park, Corby, Northamptonshire

Types of Works: Bulk Earthworks, 278 Works and Roads and Sewers infrastructure works

Contract Details:

The largest precast concrete box culvert sections manufactured to date by FP McCann have been installed at Weldon Park, Corby in Northamptonshire. The completed culvert measuring approximately 28 metres long made up of 20 individual units 6000mm wide x 3000mm high, will channel an existing watercourse through the site. Once complete, the Persimmon Homes development will consist of up to 1,000 new homes, a new school and associated community facilities.

Paul John Projects is undertaking the roads and drainage package on the scheme, which also includes a further 6 separate smaller culvert runs consisting of 102 of FP McCann’s 2100mm wide x 1000mm high precast concrete box culvert sections. One of the six small culvert channels has an in-built mammal ledge.

With each unit weighing approximately 22 tonnes, the large box sections were transported individually to site from Byley in Cheshire. Prior to delivery, a bitumen waterproof coating was applied to the external base and side walls.

Before the installation of the precast units, groundworks included damming the existing watercourse and digging the temporary earth bank channelled diversion, allowing for a concrete bed to be formed for the base of the box culvert run.

With the culvert carrying an access road onto the site, precast concrete box sections with the requisite design loading capability were the only considered choice for Paul John Projects engineers to channel the water.

A specialist crane with a lifting capacity of 45 tonnes was utilised by the Paul John Projects team to carefully position each box section. Once in place and prior to the jointing of each unit, a bitumen rubber sealing strip was applied to each socket joint face.

Case Study 4 - Galliford Try, Stanton Cross, Wellingborough

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Company: Paul John Projects

Address: Galliford Try, Stanton Cross, Wellingborough, Northamptonshire

Types of Works: 278 Works and River Diversion

Contract Details:
The 470m diversion of the river Ise which involves:

280m of offline works including scour protection for the new footbridge abutments

The installation of tens of thousands of the Envirolok bags and hundreds of square metres coir matting to prevent scouring of the new water course and around the new structures.

Temporary works including the installation of A frame dams, electro fish netting and over pumping of the river.

190m of online works including works around the new road bridge.

278 Works to Irthlingborough road which includes:

400m of new road & footpath construction

Traffic management during a 15-week road closure

Route 4 Works which includes the installation of new foul and sewer drainage, Construction of new road and adjacent footpaths