Drainage calculations and scheme design

Below and above-ground inspection of the drainage

A client with a roof that repeatedly overcharges in heavy rain instructed us to find a solution.

We carried out a below and above-ground inspection of the drainage to check for any maintenance issues. We then undertook roof gutter/outlet calculations against BS EN12056, found them under-sized and provided a new scheme to go out to tender.
Drainage calculations scheme

pre-acquisition advice

400,000 sq ft multi-let industrial estate

WJS Drainage

Vendor’s Pack

SEGRO’s successful disposal

Drain Refurbishment


Industrial estate in Essex

Report Summary

Dilapidations Assessment

dilapidation in Northamptonshire

Clipstone drain maintenance

Maintenance & PPM

Clipstone’s £500m portfolio

Drainage calculations scheme

Drainage calculations

Below and above-ground inspection

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WJS Vans
WJ Shirley