# Division 21: Fire Suppression submittal deviations > Source: https://deviationcheck.com/divisions/21-fire-suppression/ > Deviation Check - AI submittal review for General Contractors (Aliso LLC). Division 21 covers fire suppression systems in commercial construction: automatic sprinkler systems, standpipe systems, fire pumps, and special suppression systems. Common CSI sections submitted for review: ## Common Division 21 CSI sections - 21 05 00 - Common Work Results for Fire Suppression - 21 05 13 - Common Motor Requirements for Fire-Suppression Equipment - 21 05 29 - Hangers and Supports for Fire-Suppression Piping - 21 05 48 - Vibration and Seismic Controls for Fire-Suppression Piping - 21 10 00 - Water-Based Fire-Suppression Systems - 21 13 13 - Wet-Pipe Sprinkler Systems - 21 13 16 - Dry-Pipe Sprinkler Systems - 21 13 19 - Preaction Sprinkler Systems - 21 13 23 - Deluge Fire-Suppression Sprinkler Systems - 21 13 39 - Foam-Water Systems - 21 22 00 - Clean-Agent Fire-Extinguishing Systems - 21 23 00 - Carbon Dioxide Fire-Extinguishing Systems - 21 30 00 - Fire Pumps - 21 31 13 - Electric-Drive, Centrifugal Fire Pumps - 21 31 16 - Diesel-Drive, Centrifugal Fire Pumps - 21 32 00 - Jockey Pumps - 21 41 00 - Storage Tanks for Fire-Suppression Water ## The six deviation categories in Division 21 Fire Suppression ### Manufacturer or Product Substitution (default grade: Blocker) The submittal proposes a different manufacturer or product than the spec names, without an approved or-equal or substitution request. Fire suppression specs name specific manufacturers for sprinklers, valves, and equipment. AHJ (Authority Having Jurisdiction) approval is critical. Look for: - Sprinkler head manufacturer substitutions (Viking, Tyco/Johnson Controls, Victaulic, Reliable, Globe) - Fire pump manufacturer substitutions (Aurora/Pentair, Patterson, Peerless, Fairbanks Morse) - Alarm valve and check valve manufacturer substitutions (Viking, Tyco, Victaulic) - Fire department connection (FDC) manufacturer changes - Clean agent system manufacturer substitutions (Kidde/Carrier, Fike, Ansul/Tyco) - Pipe and fitting manufacturer changes (where spec names specific brands) - Fire pump controller manufacturer substitutions (Firetrol, Metron, Tornatech, Eaton) Full guide: https://deviationcheck.com/divisions/21-fire-suppression/manufacturer-substitution/ ### Performance Specification Gap (default grade: Blocker) A measurable performance property in the submittal (rating, capacity, tolerance, efficiency) does not meet what the spec requires. Key performance parameters in fire suppression submittals: - **Sprinkler K-factor** (K5.6, K8.0, K11.2, K14.0, K16.8, K25.2 - must match hydraulic calculations) - **Sprinkler temperature rating** (135F/57C ordinary, 175F/79C intermediate, 200F/93C, 286F/141C - must match hazard/location) - **Sprinkler response type** (standard response SR vs quick response QR vs ESFR) - **Coverage area per head** (maximum spacing per NFPA 13 for hazard classification) - **System design density** (gpm/sf for density/area method per NFPA 13) - **Fire pump rated capacity** (GPM at rated pressure in psi) - **Fire pump pressure** (psi at rated flow, churn/shutoff, and 150% of rated flow) - **Fire pump driver horsepower** (HP) - **Standpipe flow rate** (GPM per NFPA 14 - Class I: 500 GPM first riser, 250 GPM each additional) - **Standpipe residual pressure** (100 psi at topmost outlet per NFPA 14) - **Pipe schedule vs hydraulically calculated** system design basis - **Clean agent design concentration** (% by volume per NFPA 2001) - **Clean agent discharge time** (10 seconds per NFPA 2001) - **Seismic bracing loads** (per NFPA 13 Chapter 18 / ASCE 7) Full guide: https://deviationcheck.com/divisions/21-fire-suppression/performance-specification-gap/ ### Missing Certification or Compliance Documentation (default grade: Fix and Resubmit) A required listing, test report, certification, or compliance document is absent from the submittal package. Required certifications in fire suppression submittals: - **UL listing** for all components (sprinklers, pipe, fittings, valves, hangers - UL is mandatory per NFPA 13) - **FM Approval** (often specified as alternative or in addition to UL) - **NFPA 13** compliance (Installation of Sprinkler Systems - the governing standard) - **NFPA 14** compliance (Standpipe and Hose Systems) - **NFPA 20** compliance (Installation of Stationary Pumps for Fire Protection) - **NFPA 2001** compliance (Clean Agent Fire Extinguishing Systems) - **NFPA 25** compliance (Inspection, Testing, and Maintenance of Water-Based Fire Protection) - **Fire pump test curves** (certified factory test per NFPA 20) - **Hydraulic calculations** (must be submitted with shop drawings per NFPA 13) - **Seismic bracing calculations** per NFPA 13 Chapter 18 and IBC/ASCE 7 - **AHJ approval** documentation (fire marshal/local fire authority) - **NICET certification** for fire protection designer (Level III or IV per spec) - **Contractor license** verification (fire protection contractor state license) - **Backflow preventer certification** (for fire service connections) - **Material certificates** for pipe (ASTM A795, A135, A53) Full guide: https://deviationcheck.com/divisions/21-fire-suppression/missing-certification/ ### Aesthetic Deviation (default grade: Fix and Resubmit) A visible attribute (color, finish, texture, profile) differs from the spec or the architect-approved sample. Rarely applies to fire suppression but can include: - Sprinkler head finish (brass, chrome, white, custom painted) in exposed/architectural applications - Exposed pipe finish (painted color) in exposed-ceiling designs - Escutcheon plate type and finish for concealed/recessed heads - Fire extinguisher cabinet style, size, and finish (trim, door type) Full guide: https://deviationcheck.com/divisions/21-fire-suppression/aesthetic-deviation/ ### Detail or Installation Mismatch (default grade: Fix and Resubmit) The submitted detail, dimension, anchorage, or installation method differs from what the spec or drawings require. - **Sprinkler head orientation** (upright vs pendant vs sidewall) differs from drawings - **Sprinkler head type** (concealed vs recessed vs flush vs exposed) differs - **Pipe material** mismatch (Schedule 40 vs Schedule 10 vs CPVC, black steel vs galvanized) - **Pipe joining method** differs (threaded vs grooved/Victaulic vs welded vs CPVC solvent) - **Hanger type or spacing** exceeds NFPA 13 maximum - **Seismic bracing** type, spacing, or load rating differs - **Valve location** differs from riser diagram - **Standpipe connection size** differs (2.5" vs 1.5" hose connection) - **Fire department connection (FDC)** type, size, or location differs - **Alarm device type or location** differs (waterflow switch, tamper switch, pressure switch) - **Pipe size** at specific locations differs from hydraulic calculations - **Drain and test connection** locations differ Full guide: https://deviationcheck.com/divisions/21-fire-suppression/detail-installation-mismatch/ ### Submittal Package Incompleteness (default grade: 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 21 specs: - Sprinkler system shop drawings (piping layout, head locations, hanger locations) - Hydraulic calculations (demand/supply analysis per NFPA 13) - Sprinkler head cut sheets with UL/FM listing documentation - Valve and trim product data - Fire pump certified factory test curves - Fire pump controller product data and wiring diagrams - Seismic bracing calculations and layout - Material certificates for pipe and fittings - Alarm device product data (flow switches, tamper switches, pressure switches) - Fire department connection (FDC) product data - Backflow preventer product data and certification - NICET designer certification documentation - Contractor license documentation - Sequence of operations for preaction/deluge systems - Clean agent system design calculations and agent quantity --- Full guide: https://deviationcheck.com/divisions/21-fire-suppression/submittal-package-incompleteness/ ## How Division 21 deviations are graded - **Sprinkler K-factor mismatch vs hydraulic calculations:** BLOCKER (system will not deliver required density) - **Sprinkler temperature rating wrong for location:** BLOCKER (premature activation or failure to activate - life-safety) - **Missing UL or FM listing for any component:** BLOCKER (NFPA 13 requirement, AHJ will reject) - **Fire pump capacity below design requirement:** BLOCKER (system will not meet demand) - **Missing hydraulic calculations:** BLOCKER (NFPA 13 requirement, cannot verify adequacy) - **Pipe material non-compliant with NFPA 13:** BLOCKER (fire code) - **Seismic bracing missing where required:** BLOCKER (NFPA 13 Chapter 18, IBC) - **Sprinkler spacing exceeds NFPA 13 maximum for hazard class:** BLOCKER (inadequate coverage) - **Missing NICET certification for designer:** BLOCKER if spec requires (common on commercial projects) - **Missing fire pump factory test curves:** FIX_AND_RESUBMIT (cannot verify pump performance) - **Hanger spacing exceeds NFPA 13 limits:** FIX_AND_RESUBMIT (support adequacy) - **Escutcheon plate finish mismatch:** FIX_AND_RESUBMIT (aesthetic) - **Missing AHJ pre-approval documentation:** FIX_AND_RESUBMIT (process requirement)