The Problem
Existing system was old and in very poor condition
Previous contractor had carried out incomplete modifications
Ill-conceived upgrade choices
Lack of effective maintenance
East Sussex Care Home
Faced with Environment Agency intervention, our client urgently needed to replace its outdated sewage treatment system. Metro Mechanical delivered comprehensive surveying, testing, installation and follow-on maintenance services.
Consequences
Increased number of breakdowns
Failure to comply with the terms of the Environment Agency permit for the site
Pollution of the local environment
Contamination of the adjacent ditch
Environment Agency intervention to prevent the site from discharging
Phase 1
Initial steps to scope out project
Maintain
Assess the existing system and develop a monthly maintenance regime to provide a short-term improvement in reliability
Assess
Carry out a Flows & Loads Survey and Analysis of the entire site
Develop
Work with WPL to develop a specification for a replacement system that would meet the stringent final effluent quality required by the Environment Agency (10mg/l BOD, 15mg/l Suspended Solids, 5mg/l ammoniacal nitrogen)
Present
Present our detailed proposal to client setting out a solution with a project value of over £180,000
Phase 2
Solving pressing issues and prep for installation
Tankering
Begin daily tankering of system to ensure no discharge and no further pollution
Maintenance
Increase maintenance
Sampling
Carry out weekly sampling of final effluent
Support
Work with client estates department to develop a business case that would help them secure capital funding at Director level
Plan
Secure provisional manufacturing slot for replacement sewage treatment plant in anticipation of being instructed
Instruction
Secure instruction from client following competitive tender process
Phase 3
Installing a new sewage treatment plant
1: Place order for specialist sewage treatment plant
2: Prepare CPP and RAMS for approval be client CDM consultant
3: Pre-start meeting with site maintenance and client M&E Surveyor
4: Allocate experienced resources
5: Strip down and refurbish existing Mono munchers
6: Weekly inspections to monitor performance
7: Coordinate deliveries of all plant, materials, concrete and equipment
8: Set start date for site works
9: Kick-off project
Benefits to the site
Impact of successful installation
A professionally designed and installed turnkey solution
Cessation of localised pollution
Dramatically reduced ongoing maintenance costs
Increased reliability