Page 240 - Industrial Process Plant Construction Estimating and Man Hour Analysis
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Chapter 10





             Boiler tube replacement






             10.1 General scope of field work required for boiler tube
             replacement sheet 1


                Scope of Work-Field Erection
                Boiler scaffolding and rigging
                Open steam drum and/or lower drum
                Remove drum internals
                Remove soot blowers
                Remove boiler trim
                Remove casing, tie bars, and brill
                Remove existing tubes (cut and remove)
                Knock out tube butts and clean tube holes
                Install new tubes
                Expand tubes in steam drum and lower drum
                Reinstall boiler casing (including tie bars)
                Reinstall boiler trim
                Reinstall soot blowers
                Close steam and lower drums
                Testing
                Clean up and remove boiler scaffold and rigging
                Disconnect and reconnect gas outlet






















             Industrial Process Plant Construction Estimating and Man-Hour Analysis.
             https://doi.org/10.1016/B978-0-12-818648-0.00010-7
             © 2019 Elsevier Inc. All rights reserved.                   217
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