... 9.28 O&M Best Practices Guide, Release 3.0 O&M Ideas for Major Equipment Types O&M Best Practices Guide, Release 3.0 9.29 O&M Ideas for Major Equipment Types Boilers Checklist (contd) 9.30 O&M ... safety For ideas on persistence actions see the Boiler Operations and Maintenance Checklist at the end of this section 9.16 O&M Best Practices Guide, Release 3.0 O&M Ideas for Major Equipment Types ... 9.20 O&M Best Practices Guide, Release 3.0 O&M Ideas for Major Equipment Types Scale formation on the water side of the boiler is due to poor water quality, as such, water must be treated before...