Foul Water Rising Main  |  Thames Water

 

796m

Rising Main

 
 
 
 
 

646m

Directional Drill

 
 
 
 
 
 
 

£1.3m

Scheme Value

 
 
 
 
 
 
 
 

Project Overview

Thames Water
New foul water rising main with directional drilling, chamber, gravity sewer & slab crossings
796m of 225mm OD SDR11 PE100 rising main
10 weeks (commenced 27 April 2026)
£1,300,000

Scope of Works

Rising Main

~796m of 225mm OD SDR11 PE100 foul rising main installed and commissioned

Directional Drilling

~646m of sewer installation using directional drilling — minimising surface disruption

Gravity Sewer

8m of DN375 concrete gravity sewer, connecting to existing Thames Water manhole

New Chamber

1500mm diameter chamber constructed and commissioned

Ancillaries

1 washout, 2 air valves & associated chambers installed

Ditch Crossings

4 concrete slab crossings over existing ditches

 
 
 

Site photography

Project Summary

Delivered On Time. On Budget. To Specification

Foul water rising main successfully delivered, improving network performance and resilience with minimal surface disruption.

 
 

796m

Rising Main

 
 
 
 
 

646m

Directional Drill

 
 
 
 
 
 
 

10 wks

Duration

 
 
 
 
 
 
 
 
 
 

£1.3m

Scheme Value

 
 
 
 
 
 
 
 
 
 

Download the Case Study