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MasterFormat

Field notes on the plumbing scope of commercial tenant improvements.

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CSI Division 22 Plumbing: Requirements for Commercial Tenant Improvement Construction

Division 22 plumbing specs decoded for tenant improvements: key MasterFormat sections, submittals, testing, scope gaps and closeout needs.
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October 14, 2026

Commercial Plumbing TI Contractor

Licensed commercial plumbing contractor for tenant improvements and build-outs — underground and rough-in, domestic water, fixtures, grease interceptors, backflow and gas, delivered on the construction schedule.

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