--- title: CIM | The Building Performance Engineer's FDD Playbook description: A practical playbook for building performance engineers at RCx, MBCx and maintenance firms - how to run commissioning and data-driven maintenance on an FDD platform, close the loop from alert to verified fix, and turn projects into recurring revenue. image: https://cdn.prod.website-files.com/62feb44199e6361cc5585fba/6aa10b327f7d155561fb2976_BPE_FDD_Playbook_teaser.jpg --- [![CIM_Logo_White](https://connect.cim.io/hubfs/CIM_24-11-22/CIM_Logo_White.svg)](https://www.cim.io/) [Contact Us](https://www.cim.io/contact) ##### Free Guide # The Building Performance Engineer's FDD Playbook ![The Building Performance Engineer's FDD Playbook_CIM Guide](https://connect.cim.io/hs-fs/hubfs/Guides%20and%20eBooks/BPE_FDD_Playbook_CIM_Guide_cover.jpg?width=1414&height=2000&name=BPE_FDD_Playbook_CIM_Guide_cover.jpg) #### Download your guide ##### This guide includes: ## Everything a building performance engineer needs to run commissioning and maintenance on live data ##### The closed loop, step by step ![](data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2048%2048'%20width='48'%20height='48'%3E%3Ccircle%20cx='24'%20cy='24'%20r='23'%20fill='%23ffffff'%20stroke='%23005AD4'%20stroke-width='1.6'/%3E%3Cg%20fill='none'%20stroke='%23005AD4'%20stroke-width='2.2'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M14%2024a10%2010%200%200%201%2017-7'/%3E%3Cpath%20d='M34%2024a10%2010%200%200%201-17%207'/%3E%3Cpath%20d='M31%2012v5h-5'/%3E%3Cpath%20d='M17%2036v-5h5'/%3E%3C/g%3E%3C/svg%3E) Detection is not delivery. Follow one fault through all six stages - detected, prioritised, verified in the plant room, evidenced, rectified, and confirmed at the meter - including the real alert two sceptical engineers confirmed in the field 98 minutes into their first session on the platform. ##### Three service plays, one platform ![](data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2048%2048'%20width='48'%20height='48'%3E%3Ccircle%20cx='24'%20cy='24'%20r='23'%20fill='%23ffffff'%20stroke='%23005AD4'%20stroke-width='1.6'/%3E%3Cg%20fill='none'%20stroke='%23005AD4'%20stroke-width='2.2'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M24%2012l12%206-12%206-12-6%2012-6z'/%3E%3Cpath%20d='M12%2024l12%206%2012-6'/%3E%3Cpath%20d='M12%2031l12%206%2012-6'/%3E%3C/g%3E%3C/svg%3E) Practical chapters on running retro-commissioning (12-18 months compressed to 3-5), monitoring-based commissioning (and fixing the 10% renewal problem), and data-driven maintenance for BMS and mechanical contractors. ##### From fault list to funded works programme ![](data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2048%2048'%20width='48'%20height='48'%3E%3Ccircle%20cx='24'%20cy='24'%20r='23'%20fill='%23ffffff'%20stroke='%23005AD4'%20stroke-width='1.6'/%3E%3Cg%20fill='none'%20stroke='%23005AD4'%20stroke-width='2.2'%20stroke-linecap='round'%20stroke-linejoin='round'%3E%3Cpath%20d='M13%2035h22'/%3E%3Cpath%20d='M17%2035V25'/%3E%3Cpath%20d='M24%2035V19'/%3E%3Cpath%20d='M31%2035v-7'/%3E%3Cpath%20d='M28%2015l3%203%205-6'/%3E%3C/g%3E%3C/svg%3E) How live platform data becomes a gated, meter-verified optimisation programme a client will actually approve - scored on energy, comfort, ratings and reliability - plus a 90-day plan for your first site on PEAK. ![The Building Performance Engineer's FDD Playbook_CIM Guide - the closed loop](https://connect.cim.io/hs-fs/hubfs/Guides%20and%20eBooks/BPE_FDD_Playbook_CIM_Guide_spread1.jpg?width=1414&height=2000&name=BPE_FDD_Playbook_CIM_Guide_spread1.jpg) ![The Building Performance Engineer's FDD Playbook_CIM Guide - running retro-commissioning on FDD](https://connect.cim.io/hs-fs/hubfs/Guides%20and%20eBooks/BPE_FDD_Playbook_CIM_Guide_spread2.jpg?width=1414&height=2000&name=BPE_FDD_Playbook_CIM_Guide_spread2.jpg) ##### Get your free Guide ## Stop finding faults by hand The hardest part of a commissioning or performance engagement was never the fixing. It was the finding. Checking every system in a single 200,000 sq ft office properly takes more than 1,000 engineering hours a year; a dispatch-based model delivers roughly 300 of them. That gap is why 40% of air handling units are carrying a fault on any given day, and why savings decay the moment a project closes.   This playbook is written for the engineer in the middle of it - the mechanical, mechatronic or electrical engineer at an RCx or MBCx firm, an engineering consultancy, or a BMS or mechanical contractor, who analyses BMS and meter data, recommends control strategies, and is accountable for whether the savings actually land. Drawing on CIM's work with engineering partners across the US, UK and Europe, it lays out how FDD changes the delivery model: investigation runs continuously, evidence assembles itself, and every fix is verified at the meter rather than asserted in a report. 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