Drainforce Case Study

Bluestone Holiday resorts foul system which comprised of 150mm Clay Pipes upto 9m deep had infiltration within the pipe work system and also within the MHs

Bluestone Infiltration Rehabilitation

Contract Value: £100,000

Contract Dates: February 2021

Scope of Services:

  • Installation of New Catch pits and Sealing Existing MHS
  • Re Connection of Laterals
  • UV Lining
  • Post CCTV
  • Jetting

Introduction

Bluestone Holiday resorts foul system which comprised of 150mm Clay Pipes upto 9m deep had infiltration within the pipe work system and also within the MHs. Due to this the SPS downstream was overloading and non-compliant.

Drainforce were approached to provide a solution on a selection of 400m of the system to reduce the infiltration through a mix of UV Lining and MH Sealing.

Drainforce recommended lining though MHs where possible where infiltration was gushing and to divert connections to other Manholes.

This Process allowed Drainforce to line though Specific manholes with a high level of infiltration ensuring they sealed fully.

Once the liner was cured the sealed manholes were covered with concrete and type one.

A specified number of Manholes were sealed by lowering in 1000mm diameter rings into into 1200mm rings and backfilling the annulus with concrete to ensure the Manholes was fully sealed and secure.

Manhole rehabilitation Process

Drainforce Ltd   

Health and Safety

Drainforce had zero incidents during this project

Staff Competence

LUL ICI

BTA

First Aid

Track Trolley

SPC

Wrc approved lining installers for UV lining with approved products

Street Works

Confined Space

Risk Awareness

First Aid

Water Jetting Association

Associated Training on Equipment (Prokasro, Whale)

Asbestos

Manual Handling

OS19X and 21X

Plant and Equipment

  • Jet Vac
  • Excavator
  • UV Lining Pods
  • Cutting Pods
  • CCTV Van

 

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