CSI Division

CSI Division 02 Existing Conditions: section numbers and submittal deviations

What gets flagged between a Division 02 Existing Conditions spec section and the submittal package, why it matters, and how each deviation is graded, so you can catch it before you send the package or before you approve it.

By Deviation Check Editorial Team. Last reviewed June 1, 2026.

Short answer

Existing Conditions is Division 02 in CSI MasterFormat, so its section numbers start with 02. Common sections include 02 21 00 Surveys, 02 22 00 Existing Conditions Assessment, and 02 24 00 Sampling and Testing of Existing Conditions. Its submittals deviate most often on product substitutions, performance ratings, and missing certifications.

Division 02 covers assessment and remediation of existing site and building conditions in commercial construction. Common CSI sections submitted for review:

Division 02 Existing Conditions CSI section numbers

Division 02 Existing Conditions spec sections frequently submitted for review:

Representative Division 02 CSI MasterFormat sections
Section	Title
`02 21 00`	Surveys
`02 22 00`	Existing Conditions Assessment
`02 24 00`	Sampling and Testing of Existing Conditions
`02 26 00`	Hazardous Material Assessment
`02 41 00`	Demolition
`02 42 00`	Removal and Salvage of Construction Materials
`02 43 00`	Structure Moving
`02 44 00`	Retaining Measures for Existing Construction
`02 45 00`	Work Area Isolation
`02 61 00`	Soils Remediation
`02 65 00`	Underground Storage Tank Removal
`02 82 00`	Asbestos Remediation
`02 83 00`	Lead Remediation
`02 84 00`	Polychlorinated Biphenyl (PCB) Remediation
`02 85 00`	Mold Remediation

Sending a Division 02 package? Run the free Division 02 pre-submittal checklist first. It prints or downloads as a PDF, no email required.

The six deviation categories in Division 02 Existing Conditions

Every issue Deviation Check flags maps to one of six categories. Here is how each appears in Division 02 Existing Conditions submittals, with the full guide one click away.

Manufacturer or Product Substitution

Blocker The submittal proposes a different manufacturer or product than the spec names, without an approved or-equal or substitution request.

Division 02 submittals are largely method-based, but product substitutions arise for:

Manufacturer or Product Substitution in Division 02 Existing Conditions submittals →

Performance Specification Gap

Blocker A measurable performance property in the submittal (rating, capacity, tolerance, efficiency) does not meet what the spec requires.

Key performance parameters in Div 02 submittals:

Performance Specification Gap in Division 02 Existing Conditions submittals →

Missing Certification or Compliance Documentation

Fix and Resubmit A required listing, test report, certification, or compliance document is absent from the submittal package.

Required certifications in Div 02 submittals:

Missing Certification or Compliance Documentation in Division 02 Existing Conditions submittals →

Aesthetic Deviation

Fix and Resubmit A visible attribute (color, finish, texture, profile) differs from the spec or the architect-approved sample.

Aesthetic requirements are rare in Division 02. Where they appear:

Aesthetic Deviation in Division 02 Existing Conditions submittals →

Detail or Installation Mismatch

Fix and Resubmit The submitted detail, dimension, anchorage, or installation method differs from what the spec or drawings require.

Detail or Installation Mismatch in Division 02 Existing Conditions submittals →

Submittal Package Incompleteness

Fix and Resubmit A required submittal element (cut sheet, schedule, calculation, sample) is missing, leaving the package unreviewable as submitted.

Commonly required items in Div 02 specs:

Submittal Package Incompleteness in Division 02 Existing Conditions submittals →

How Division 02 deviations are graded

Each finding is graded Blocker, Fix and Resubmit, or Note. Division 02 escalation rules:

Missing state abatement contractor license: BLOCKER (legal - cannot legally perform work without it)
Missing EPA NESHAP notification for regulated ACM demolition: BLOCKER (federal regulatory requirement)
HEPA filter efficiency below 99.97%: BLOCKER (worker and public health)
Missing worker training certificates for asbestos or lead: BLOCKER (OSHA enforcement)
Negative air pressure differential below specified minimum: BLOCKER (containment failure risk)
Missing disposal facility acceptance letter: BLOCKER (cannot legally dispose of waste)
Missing CIH/CAC credentials for project monitor: BLOCKER (spec requirement, quality assurance)
Missing HASP: BLOCKER (Cal/OSHA 8 CCR 5192 or OSHA 1910.120 requirement)
Decon unit stages below OSHA minimum (3-stage): BLOCKER (worker health)
Lab accreditation not NVLAP or equivalent: FIX_AND_RESUBMIT (data quality)
Missing waste manifesting plan: FIX_AND_RESUBMIT (regulatory compliance)
Containment boundary differs from spec: FIX_AND_RESUBMIT (scope of work)
PPE respirator APF mismatch for exposure level: FIX_AND_RESUBMIT (worker protection)
Missing emergency response procedure: FIX_AND_RESUBMIT (safety plan incomplete)

Run a Division 02 submittal review

Upload a Division 02 spec section and your submittal package before you send it, and get a one-page deviation report in under five minutes, so the package goes through the first time. GC reviewers use it the same way on a package that just arrived. Before that, work through the free Division 02 checklist.

Frequently asked questions

What is the CSI code for existing conditions?

Existing Conditions is CSI MasterFormat Division 02, and every section number in it starts with 02. Common sections include 02 21 00 Surveys, 02 22 00 Existing Conditions Assessment, 02 24 00 Sampling and Testing of Existing Conditions, 02 26 00 Hazardous Material Assessment, and 02 41 00 Demolition. Type any number into the CSI division lookup to decode it.

What is Division 02 Existing Conditions in construction?

Division 02 covers assessment and remediation of existing site and building conditions in commercial construction. In a CSI MasterFormat spec, its sections carry the submittal and product requirements a Division 02 package is reviewed against.

What are the most common deviations in Division 02 Existing Conditions submittals?

The most common are product or manufacturer substitutions, performance specification gaps, and missing certification or compliance documentation. Deviation Check sorts every finding into one of six categories.

How are Division 02 deviations graded?

Each finding is graded Blocker (resolve before approval), Fix and Resubmit (correct and re-send before fabrication or install), or Note (acceptable with a comment).

View this page as Markdown for LLMs and note-taking.