Marriott Hotel Grosvenor Square

Brief Description

Scope of work

  • Removal of two large chillers including compressors, heat exchangers, and frames
  • Strip out of associated pump sets, valves, and mechanical pipework
  • Dismantling and removal of ductwork, motors, and control panels
  • Isolation, draining down, and safe disconnection of all mechanical services
  • Lifting and extraction of heavy plant through a restricted access route
  • Segregation of materials and compliant disposal
  • Full cleaning and clearance of the plant room in preparation for the next phase

Challenges

  • Confined basement access requiring detailed lift planning and staged removal
  • Tight working space around existing live services
  • Coordination with hotel operations to minimise disruption
  • Safe execution of hot works and mechanical dismantling within enclosed conditions

Outcomes

Phase 1 was completed safely, on programme and to specification.

All redundant mechanical equipment was removed, leaving a clear and compliant plant room ready for future refurbishment and installation works.

KpH Environmental continues to deliver complex mechanical strip out and decommissioning projects across commercial, hospitality, and industrial sites throughout the UK.

Clients

SLR Consulting
WS Swift
Colliers
Oakray Limited
Williams Southern Limited Construction
Ayer Associates
SES Water
County Clean Group
Gatwick Airport
Biffa

Working in Partnership with KpH

©2026 KpH Environmental Services Ltd
All rights reserved.

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