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AI-Powered Plan Coordination

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Discipline:
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CriticalA ↔ M
1. F001 (Critical, A ↔ M): Fire Protection / Sprinkler Plans Missing from Drawing Set
Missing Coordination·All renovated areas
Description
  • The architectural RCP notes on sheets A2 and A2 state:
    • 'FOR FIRE SPRINKLER LOCATIONS, SEE FIRE PROTECTION DRAWINGS.'
  • The cover sheet (A1) lists the drawing set but does not include any fire protection sheets.
  • The architectural general notes (A2) reference fire extinguisher cabinets and fire-rated assemblies, and the building is Type I-A, R2 occupancy which requires fire sprinkler protection.
  • With extensive ceiling demolition and replacement occurring throughout the lobby, mezzanine, and corridor levels, the existing sprinkler system will need to be modified to accommodate new ceiling heights and layouts.
  • No fire protection drawings are included in this plan set to coordinate sprinkler head locations with the new ceiling design.
Cost Exposure$18,375 – $38,115
Schedule Impact14 days
Recommended Action
  1. Confirm whether fire protection design is under a separate permit or by a separate fire protection engineer.
  2. If so, add a coordination note on architectural and mechanical drawings.
  3. If fire protection modifications are required as part of this scope, fire protection drawings must be developed showing sprinkler head locations coordinated with the new RCP, ceiling heights, and partition layouts.
CriticalM ↔ A
2. F002 (Critical, M ↔ A): Fire Rated Penetration Details Missing for New Ductwork Through Fire-Rated Assemblies
Code Violation·Fire-rated assemblies pierced by new HVAC ductwork
Description
  • Architectural plans show fire-rated assemblies (5 occurrence(s)) and Mechanical plans show new ductwork (4 occurrence(s)), but the plan set contains NO duct-specific firestop detail, no fire damper schedule, and no smoke damper schedule.
  • Each duct crossing a fire-rated wall, floor, or ceiling assembly MUST be protected by a UL-listed firestop system, a fire damper, or a smoke damper (or combination fire/smoke damper) to maintain the rating per IBC 717 and NFPA 90A.
  • The existing pipe-firestop typical details do not satisfy duct penetrations — different UL listing, different installation.
Cost Exposure$21,243 – $42,985
Schedule Impact7-14 days
Recommended Action
  1. Add to the Mechanical / Architectural set: (1) Duct firestop typical detail with UL classification, (2) Fire damper and smoke damper schedules for ducts crossing rated assemblies, (3) Plan-view callouts identifying each rated-assembly penetration.
  2. Coordinate with Fire Protection if a separate package is being submitted.
HighE ↔ E
3. F003 (High, E ↔ E): Panel-LA Demand Load Exceeds Main Breaker Rating
Code Violation·Electrical Room - Lobby Level
Description
  • Panel-LA Section 1 & 2 has a bus rating of 400 AMP with a main breaker of 400 AMP (AC=10K).
  • The panel schedule shows a subtotal of 64,940 VA per section.
  • The demand load calculation shows: Phase A = 45,100 VA, Phase B = 43,600 VA, Phase C = 44,000 VA, with a connected load of 132,840 VA and 369A.
  • The demand calculation yields a total load of 130,555 VA at approximately 363 AMPS.
  • While this is under the 400A main breaker, the calculation shows the panel is loaded to approximately 91% capacity with no spare capacity for future loads.
  • Additionally, the riser diagram shows Panel-LA fed from a 400A breaker in the existing switchboard.
  • With the addition of new circuits (instant water heater, appliance circuits, golf simulator receptacle, business center receptacle), the panel is approaching its maximum rating with minimal margin.
Cost Exposure$7,150 – $15,840
Schedule Impact5 days
Recommended Action
  1. Electrical engineer to review Panel-LA loading and confirm demand calculations account for all new loads.
  2. Consider whether any loads can be redistributed to Panel-XB or Panel-LAA to provide adequate spare capacity.
  3. Verify that the 400A feeder from the switchboard is adequately sized for the actual demand.
HighM ↔ E
4. F004 (High, M ↔ E): Mechanical Fan Shutdown Relay Coordination with Fire Alarm Missing
Missing Coordination·All HVAC-served areas
Description
  • Mechanical note #14 on sheet M3 states:
    • 'PROVIDE ALL FANS AND ROOFTOP UNITS WITH RELAYS TO SHUT DOWN WHEN FIRE ALARM IS INITIATED. COORDINATE LOCATION WITH THE ELECTRICAL CONTRACTOR.'
  • Note #15 adds:
    • 'IN THE EVENT OF FAN SHUT DOWN, ALL DUCT MOUNTED DETECTORS SHALL REMAIN IN OPERATION.'
  • These notes require fire alarm integration with HVAC systems including duct smoke detectors.
  • However, the electrical drawings do not show a fire alarm system design, duct smoke detectors, or relay wiring for HVAC shutdown.
  • There is no fire alarm plan in the provided drawing set.
  • The electrical notes reference smoke detectors as 'SINGLE STATION 110V SMOKE DETECTORS' which are residential-type units, not addressable fire alarm devices that could trigger HVAC shutdown.
Cost Exposure$18,850 – $38,887
Schedule Impact11 days
Recommended Action
  1. Determine if fire alarm design is under a separate permit or by a separate fire alarm contractor.
  2. If so, add a coordination note on both mechanical and electrical drawings referencing the fire alarm scope.
  3. If fire alarm is part of this project scope, a fire alarm plan must be developed showing duct smoke detectors, HVAC shutdown relays, and integration with the building fire alarm system per NFPA 90A and FBCM 606.
HighM ↔ A
5. F005 (High, M ↔ A): Mechanical HVAC Ductwork Not Shown on Architectural RCP
Missing Coordination·Lobby Level - All renovated spaces
Description
  • The mechanical plan (M1) shows extensive new ductwork throughout the lobby level with supply and return linear diffusers (LD and RLD types) in multiple spaces including Reception, Vestibule, Business Center, Café Lounge 3, Corridor, Kids Room, and Wellness/Pilates Room.
  • The duct sizes range from 16"x10" to 46"x12".
  • However, the architectural reflected ceiling plan (A2) shows ceiling heights and ceiling types but does not appear to coordinate diffuser locations with the mechanical layout.
  • The RCP shows various ceiling heights (9'-10", 10'-0", 11'-9", 13'-6", 14'-0", 15'-0") but there is no indication that the duct routing has been coordinated with the ceiling design, soffits, or cove lighting details shown on A2 and A5.
  • Large ducts such as the 46"x12" trunk lines require significant plenum space that may conflict with the varying ceiling heights.
Cost Exposure$6,312 – $14,321
Schedule Impact7 days
Recommended Action
  1. Architect and mechanical engineer to overlay duct layouts on the RCP to verify adequate plenum space at all ceiling height transitions.
  2. Verify that linear diffuser locations align with ceiling grid/soffit design.
  3. Coordinate cove lighting soffit details (A5) with duct routing to avoid conflicts.
HighA ↔ F
6. F006 (High, A ↔ F): Verify residential fire sprinkler scope for new ceiling layouts
Missing Coordination·Renovated areas with new ceiling layouts
Description
  • Architectural plans show new ceiling work (23 ceiling material spec(s); 28 ceiling-height dimension(s)) and no Fire Protection / sprinkler drawings are included.
  • This set reads as a single-family residence in FL, where a fire sprinkler system (NFPA 13) is typically NOT required (NFPA 13D applies only where the jurisdiction mandates residential sprinklers).
  • Verify whether a residential sprinkler system is required; if so, confirm head locations are coordinated with the reflected ceiling plan.
Cost Exposure$17,943 – $37,934
Schedule Impact10-21 days
Recommended Action
  1. Confirm the local jurisdiction's fire sprinkler requirement for this one- and two-family dwelling.
  2. If sprinklers are required (e.g. an NFPA 13D system), coordinate head locations and deflector clearances with the new ceiling/soffit geometry; otherwise no fire protection package is expected.
HighP ↔ P
7. F007 (High, P ↔ P): Presence contradiction — air chambers: required vs prohibited
Specification Mismatch·1 sheet(s) — directly contradictory notes within the plan set
Description
  • The plan set contains directly contradictory notes about air chambers.
  • Required on: Plumbing Drawings, PLUS PROVIDE AND INSTALL ALL WATER HAMMER SHOCK ARRESTORS AS SHOWN.
  • ALL THREADED WATER OUTLETS EXCEPT FOR A...".
  • Prohibited-side example: "PIPE DIAMETER SHIELD LENGTH SHIELD THICKNESS USSG UP TO 3" 6" 18 16 16 12" 8" 4" TO 6" 8" & LARGER PIPE DIAMETER SHIELD LENGTH SHIELD THICKNESS USSG UP TO 3" 12" 18 16 16 18" 15" 4" 5" 16 21" 6" 14 24...".
  • The contractor cannot satisfy both directions — RFI required to resolve.
Cost Exposure$6,142 – $13,283
Schedule Impact12 days
Recommended Action
  1. Coordinate with engineering to confirm which directive governs air chambers.
  2. Revise the conflicting note and re-issue.
HighE ↔ A
8. F008 (High, E ↔ A): Electrical Notes Reference NEC 2011 But Cover Sheet Specifies NEC 2020 and FBC 2023
Code Violation·Project-wide — Electrical Notes vs. Cover Sheet Code Information
Description
  • The electrical notes on sheet E1 repeatedly reference NEC 2011 code sections: Note 21 references 'NEC 250-140', Note 26 references 'NEC 2011 210-12(B)', Note 27 references 'NEC 2011 406.11', Note 28 references 'NEC 2011 210-8(A)(6)' and '2011 NEC 210.52(B)(C)'.
  • However, the electrical notes header states 'NATIONAL ELECTRICAL CODE 2020, FLORIDA BUILDING CODE 2023' and the architectural cover sheet confirms '2023 FLORIDA BUILDING CODE' is the governing code.
  • Multiple NEC requirements have changed between 2011 and 2020 editions, including AFCI requirements (210.12), GFCI requirements (210.8), and tamper-resistant receptacle requirements.
  • Using outdated code references could result in non-compliant installations and inspection failures.
Cost Exposure$6,666 – $15,587
Schedule Impact3-5 days
Recommended Action
  1. Update all electrical notes to reference NEC 2020 (or the edition adopted by the 2023 FBC) instead of NEC 2011.
  2. Review all code-referenced requirements for changes between editions, particularly AFCI protection scope (now expanded), GFCI protection locations (expanded in 2020), and grounding requirements.
  3. Resubmit corrected notes for permit review.
HighE ↔ A
9. F009 (High, E ↔ A): Emergency Lighting and Exit Signage Layout Deferred to Existing — No Verification of Code Compliance After Renovation
Code Violation·All renovated common areas — Lobby, Mezzanine, Corridors (Floors 4-26, PH1, PH2)
Description
  • Electrical sheets E3 and E4 state:
    • 'EMERGENCY LIGHTING/SIGNAGE LAYOUT TO REMAIN AS EXISTING.'
  • Sheet E2 general lighting note states:
    • 'EMERGENCY SIGNAGE/LIGHTING TO REMAIN AS EXISTING UNLESS SHOWN AS OTHERWISE. ALL EMERGENCY LIGHTING FIXTURES/SIGNAGE TO BYPASS LIGHTING CONTROLS AND SWITCHES.'
  • However, the architectural plans show significant layout changes including new walls, demolished walls, relocated doors, and reconfigured spaces (new Kids Room, reconfigured Business Center, new Wellness areas, new Conference room).
  • Per IBC 1008 and NFPA 101, emergency lighting and exit signage must be evaluated whenever the means of egress path is altered.
  • New walls and reconfigured spaces may block existing emergency lighting coverage or make existing exit signs non-visible from required locations.
  • No analysis or verification is provided to confirm existing emergency lighting remains code-compliant after renovation.
Cost Exposure$21,450 – $43,197
Schedule Impact5-10 days
Recommended Action
  1. Perform an emergency lighting and exit sign analysis for all renovated areas per IBC 1008 and NFPA 101.
  2. Verify that existing emergency fixtures provide minimum 1 foot-candle illumination along the entire egress path after wall reconfigurations.
  3. Add new emergency fixtures and exit signs where existing coverage is compromised by new construction.
  4. Show all emergency fixtures on both the electrical plan and RCP.
HighA ↔ E
10. F010 (High, A ↔ E): Generator Replacement Missing Electrical Coordination
Missing Coordination·Exterior - Generator Location
Description
  • The architectural mezzanine plan (A1) notes 'GENERATOR W NEW BY' indicating the existing generator is being replaced with a new unit.
  • The electrical riser diagram (E1) shows an existing 500 KW generator connected to the existing distribution system.
  • The electrical notes state 'ALL CONTRACTORS RESPONSIBLE FOR GENERATOR POWER' (note #14).
  • However, there is no electrical detail showing the new generator connection, transfer switch modifications, or updated generator specifications.
  • If the generator is being replaced, the electrical system must be coordinated to ensure the new unit matches the existing transfer switch, distribution, and load requirements.
Cost Exposure$6,825 – $14,759
Schedule Impact7 days
Recommended Action
  1. Clarify whether the generator replacement is part of this project scope or a separate project.
  2. If included, electrical engineer must provide updated generator specifications, transfer switch details, and connection diagrams.
  3. Verify that the new generator capacity matches or exceeds the existing 500 KW unit and is compatible with the existing automatic transfer switch.
HighA ↔ A
11. F011 (High, A ↔ A): Unresolved Coordination: COORDINATE LOCATIONS AND COORDINATE WITH ALL TRADES PRIOR TO
Missing Coordination·General notes / coordination notes blocks
Description
  • The plan set contains 8 occurrence(s) of a deferred-coordination note — verbatim wording: "COORDINATE LOCATIONS AND COORDINATE WITH ALL TRADES PRIOR TO".
  • This note defers interdisciplinary coordination to the contractor at the submittal or installation phase rather than resolving the coordination in the construction documents.
  • When this pattern repeats across the plan set (LH: 4 pages in the A1 series), it is a documentation gap: the design team has not committed to specific interfaces between trades.
  • The result is RFI cycles, change orders, and uncoordinated work in the field.
Cost Exposure$5,937 – $13,893
Schedule Impact3-7 days
Recommended Action
  1. Request the design team revise the indicated notes to specify the resolved coordination (e.g., dimensioned centerlines, agreed routing offsets, named-responsible-discipline ownership).
  2. For each instance, replace "COORDINATE WITH ALL TRADES PRIOR TO SUBMITTAL" with the actual coordinated dimension or routing — or, at minimum, identify which discipline owns the resolution.
MediumI ↔ C
12. F012 (Medium, I ↔ C): Drawing Index: Sheet A6 missing from bundle
Documentation Gap·COVER (cover, p.1)
Description
  • Cover-sheet drawing index lists A6 'WINDOW & DOOR DETAILS' but no sheet with that number was found in the uploaded bundle.
Cost Exposure$1,457 – $3,520
Schedule Impact8 days
Recommended Action
  1. Confirm with design team whether A6 is to be issued or removed from the drawing index.
MediumP ↔ E
13. F013 (Medium, P ↔ E): Tankless Water Heater Electrical Circuit Sizing Mismatch
Specification Mismatch·Lobby Level - Coffee Maker / Sink Area
Description
  • The plumbing fixture schedule specifies a Titan N4 tankless water heater rated at 4.2kW, 208V.
  • Per NEC, a 4.2kW load at 208V single-phase draws approximately 20.2A, requiring a minimum 25A or 30A breaker with appropriate wire sizing.
  • The electrical panel schedule (Panel-LA) shows an 'INSTANT WATER HEATER (NEW)' circuit but the OCR text indicates it is on a circuit with 67A demand alongside other loads.
  • The breaker and wire sizing need to be verified against the 4.2kW nameplate to ensure proper coordination.
  • Additionally, the plumbing notes specify 208V but the panel schedule shows Panel-LA as 120Y/208V 3-phase — the water heater circuit phase configuration must be confirmed as single-phase 208V.
Cost Exposure$1,553 – $4,127
Schedule Impact2 days
Recommended Action
  1. Electrical engineer to verify the dedicated circuit breaker size and wire gauge for the Titan N4 (4.2kW, 208V) water heater.
  2. Confirm single-phase 208V connection from the 3-phase panel.
  3. Coordinate with plumbing contractor on exact installation location to ensure proper circuit routing.
MediumA ↔ E
14. F014 (Medium, A ↔ E): Sauna and Steam Room Missing Dedicated Electrical Circuits
Missing Coordination·Mezzanine Level - Sauna and Steam Rooms
Description
  • Architectural plans A1 (demo) and A1 (proposed) clearly show: 'DEMO EXISTING STEAM REPLACE W NEW' and 'REPLACE EXISTING STEAM' with new sauna construction.
  • These are significant equipment replacements requiring new electrical feeds (steam generators typically require 208V or 240V, 30-60A dedicated circuits; saunas require 208/240V, 30-50A circuits).
  • Panel-LAA on E5 shows existing loads for 'EXISTING STEAM GEN. (NEW)' at 2,200 VA and 'EXISTING SAUNA (WOMEN)' at 2,200 VA, but these appear to be existing loads carried forward, not new equipment sizing.
  • The electrical keynote on E3 states all existing receptacles remain as existing with limited lighting scope only.
  • No new dedicated circuits for replacement steam generators or sauna heaters are shown.
  • Additionally, no plumbing connections for steam generator water supply or condensate drainage are shown on P1 or P2 for the new equipment.
Cost Exposure$1,776 – $4,591
Schedule Impact5 days
Recommended Action
  1. Electrical engineer to obtain nameplate data for the new sauna heater and steam generator being installed.
  2. Verify that existing circuit breakers, wire sizes, and conduit are adequate for the new equipment.
  3. Update Panel-LAA schedule with actual new equipment ratings.
  4. Coordinate with mechanical contractor on control wiring requirements.
MediumM ↔ E
15. F015 (Medium, M ↔ E): Missing Electrical Power for Mezzanine Exhaust Fan
Missing Coordination·Mezzanine Level
Description
  • The mechanical plan (M2) shows ductwork and exhaust systems on the mezzanine level requiring fan power.
  • The electrical panel schedule (Panel-XB) lists an 'EXHAUST FAN MEZZ. (EXISTING)' circuit as an existing load.
  • However, the mechanical drawings show new ductwork being connected to existing systems with notes to 'CONNECT NEW DUCTWORK TO EXISTING DUCTWORK SYSTEM.'
  • If the new ductwork layout changes the static pressure or airflow requirements, the existing exhaust fan circuit and motor may be undersized.
  • The mechanical notes (M3) state 'ALL LOW VOLTAGE WIRING AND CONDUIT REQUIRED FOR MECHANICAL EQUIPMENT SHALL BE FURNISHED AND INSTALLED BY MECHANICAL CONTRACTOR' but also note to 'COORDINATE LOCATION WITH THE ELECTRICAL CONTRACTOR' for fire alarm relay shutdowns.
  • There is no evidence of coordination between the new mechanical layout and existing electrical capacity.
Cost Exposure$1,942 – $4,802
Schedule Impact5 days
Recommended Action
  1. Mechanical engineer to confirm that existing exhaust fan capacity is adequate for the new ductwork configuration.
  2. Electrical engineer to verify existing circuit breaker and wire sizing can handle any increased load.
  3. Both disciplines to coordinate on fan shutdown relay for fire alarm integration.
MediumE ↔ M
16. F016 (Medium, E ↔ M): Electrical Control Wiring for A/C Systems Not Coordinated
Missing Coordination·Lobby and Mezzanine Levels
Description
  • Electrical note #17 states: 'ELECTRICAL CONTRACTOR SHALL PROVIDE CONTROL WIRES BETWEEN A.H.U. AND C.U.' and note #24 states:
    • 'RUN ALL C.U. LOW VOLTAGE WIRES FROM A.H.U. TO C.U. IN 1/2" CONDUIT (USE 3 PAIR WIRE).'
  • The mechanical notes (M3, note #13) state:
    • 'ALL LOW VOLTAGE WIRING AND CONDUIT REQUIRED FOR MECHANICAL EQUIPMENT SHALL BE FURNISHED AND INSTALLED BY MECHANICAL CONTRACTOR.'
  • This creates a direct scope conflict — the electrical notes assign control wiring responsibility to the electrical contractor, while the mechanical notes assign it to the mechanical contractor.
  • This ambiguity will lead to either duplicated work or, more likely, neither contractor providing the control wiring.
Cost Exposure$1,708 – $4,625
Schedule Impact5 days
Recommended Action
  1. Design team to clarify which contractor is responsible for low-voltage control wiring between air handlers and condensing units.
  2. Issue an addendum or RFI response clearly assigning this scope to one contractor.
  3. Update both electrical and mechanical notes to be consistent.
MediumM ↔ A
17. F017 (Medium, M ↔ A): Mechanical Scope Gap - No HVAC Design for Upper Floor Corridors
Missing Coordination·4th-26th Floor Corridors, PH1, PH2, PG Intermediate Level
Description
  • The architectural plans show renovation work on the 4th-26th typical corridor plans (A1), PG Intermediate Level, PH1 corridor, and PH2 corridor, including new flooring, ceiling replacement, and wall finishes.
  • However, the mechanical drawings only cover the Lobby (M1) and Mezzanine (M2) levels.
  • There are no mechanical plans for the upper floor corridors.
  • While the scope notes on the cover sheet state 'REFER TO MECHANICAL PLANS FOR SCOPE OF WORK,' the mechanical scope appears limited to the lobby and mezzanine.
  • If the corridor renovations involve ceiling demolition and replacement (as indicated by demo keynote #1 on A1), any existing HVAC components in the ceiling plenum (diffusers, ductwork, dampers) may need to be removed and reinstalled, which requires mechanical coordination.
Cost Exposure$1,673 – $4,517
Schedule Impact3 days
Recommended Action
  1. Confirm whether the mechanical scope intentionally excludes the upper floor corridors.
  2. If ceiling demolition and replacement is occurring in corridors, mechanical engineer should provide notes or a plan addressing the handling of existing HVAC components during construction.
  3. Add a coordination note on architectural plans regarding protection and reinstallation of existing HVAC equipment in corridor ceilings.
MediumA ↔ M
18. F018 (Medium, A ↔ M): Lobby Ceiling Height vs HVAC Duct Depth Potential Conflict
Spatial Clash·Lobby Level - Main Lobby, Vestibule, Reception
Description
  • The architectural RCP (A2) shows varying ceiling heights in the lobby area: Lobby 1 at approximately 14'-0", Reception at 11'-9", Vestibule at 13'-6", and corridors at 9'-10" to 10'-0".
  • The mechanical plan (M1) shows trunk ductwork sized up to 46"x12" (nearly 4 feet wide by 1 foot tall) and 28"x12" running through these spaces.
  • In the corridor areas where the ceiling height drops to 9'-10", the available plenum space between the existing concrete slab above and the finished ceiling must accommodate the 12" tall ductwork plus insulation (approximately 1.5" additional) plus hangers and clearance.
  • Without knowing the slab-to-slab height, there is a risk that the 12" duct height plus insulation may not fit in the plenum at the lower ceiling height transitions, particularly at the 9'-10" corridor ceiling.
  • The architectural notes state 'FINISH CEILING HEIGHTS ARE GIVEN FROM TOP OF CONCRETE' which suggests these are measured from the floor slab, not from the structure above.
Cost Exposure$2,190 – $5,467
Schedule Impact5 days
Recommended Action
  1. Verify the existing slab-to-slab height at the lobby and corridor levels.
  2. Calculate available plenum space (structure above minus finished ceiling height) and confirm it can accommodate the largest duct dimensions plus insulation, hangers, sprinkler piping, and electrical conduit.
  3. If plenum space is insufficient, consider reducing duct height by increasing width, or adjusting ceiling heights.
MediumE ↔ M
19. F019 (Medium, E ↔ M): Panel-XB Demand Load 21,000 VA on 100A MLO Panel — Load Appears Reasonable but No Spare Capacity
Specification Mismatch·Electrical Room — Panel-XB
Description
  • Panel-XB is specified as 100A MLO (Main Lug Only) at 120Y/208V, 3-Phase.
  • The demand load calculation shows a total load of 21,000 VA with a connected load of 28,350 VA.
  • The calculated current per phase is approximately 60A, which is within the 100A rating.
  • However, the panel serves critical loads including supply fans, exhaust fans, front door locks, fire smoke dampers, and corridor lighting.
  • Several circuits are marked as existing with new loads being added (fire smoke dampers, front door locks).
  • The panel has limited spare capacity for any additional loads that may be identified during construction.
  • Additionally, the mechanical notes (M3) state 'PROVIDE ALL FANS AND ROOFTOP UNITS WITH RELAYS TO SHUT DOWN WHEN FIRE ALARM IS INITIATED' — the relay power for fire alarm shutdown is not accounted for in the panel schedule.
Cost Exposure$1,585 – $4,169
Schedule Impact2 days
Recommended Action
  1. Verify all fire alarm relay loads and control power requirements are included in Panel-XB load calculations.
  2. Confirm spare capacity is adequate for any field-discovered loads.
  3. Consider adding 2-3 spare breaker spaces for future needs.
MediumM ↔ P
20. F020 (Medium, M ↔ P): No Condensate Drain Lines Shown for Existing A/C Systems Being Retained in Lobby and Mezzanine
Missing Coordination·Lobby and Mezzanine Levels — Multiple A/C systems
Description
  • The mechanical plans M1 and M2 show multiple existing A/C systems to remain (A/C1, A/C1, A/C1, A/C2) with new ductwork connections.
  • The plumbing notes on P3 state 'THE PLUMBING CONTRACTOR SHALL RUN BUILDING CONDENSATE RISER WITH STUB-OUTS AT THE AIR CONDITIONING UNITS IF APPLICABLE. THE MECHANICAL CONTRACTOR IS RESPONSIBLE TO CONNECT HIS EQUIPMENT TO THOSE.'
  • However, the plumbing plans P1 and P2 do not show any condensate drain lines, condensate receptors, or condensate piping for the existing or new HVAC equipment.
  • With significant renovation work occurring around these systems, existing condensate drainage may be disturbed and needs to be verified and potentially rerouted.
Cost Exposure$1,709 – $4,563
Schedule Impact2-3 days
Recommended Action
  1. Verify existing condensate drainage paths for all retained A/C systems.
  2. If renovation work disturbs existing condensate lines, show rerouted condensate piping on plumbing plans.
  3. Ensure condensate drains comply with FBC-M requirements for proper drainage and trap installation.
LowP ↔ E
21. F021 (Low, P ↔ E): Plumbing Drinking Fountain Replacement Missing on Electrical Plans
Missing Coordination·Lobby Level - Near Corridor
Description
  • Architectural proposed plan A1 shows 'REPLACE EXISTING FOUNTAIN/WATER FEATURE W. NEW' in the Lobby 1 area near Stair 4.
  • Water features typically require: recirculation pump with dedicated electrical circuit, water supply line, overflow drain, and potentially a backflow preventer.
  • The plumbing plan P1 does not show any water supply, drain, or recirculation piping for the new fountain.
  • The electrical power plan E1 does not show a dedicated circuit or receptacle for a fountain pump or lighting.
  • The existing drinking fountain replacement is shown on P1 (ELKAY EZSTL8LC), but this is a different fixture from the decorative water feature shown on the architectural plan.
Cost Exposure$533 – $1,359
Schedule Impact2 days
Recommended Action
  1. Electrical engineer to add a dedicated circuit for the new Elkay EZSTL8LC electric water cooler.
  2. Verify voltage and amperage requirements from manufacturer data and add to panel schedule.
  3. Coordinate exact location with plumbing plan for receptacle placement.
LowP ↔ A
22. F022 (Low, P ↔ A): Plumbing Relocated Sink Missing Coordination with Architectural Plan
Missing Coordination·Lobby Level - Coffee Maker Area
Description
  • Architectural demolition plan A1 shows 'DEMO EXIST'G BAR' (keynote 4) and proposed plan A1 shows a new bar area in the Cafe Lounge 3 space.
  • The demo plan also shows keynote 5 'DEMO EXIST'G BAR AND REPLACE W NEW.'
  • A bar typically requires hot and cold water supply, sanitary drain, and potentially a grease trap or indirect waste connection.
  • The plumbing plan P1 shows the relocated coffee maker sink with CW/HW connections but does not show any plumbing connections for the new bar.
  • The plumbing fixture schedule on P3 only lists one sink (SK) fixture.
  • If the new bar includes a bar sink, ice maker, or glass washer, these require plumbing connections that are not documented.
Cost Exposure$544 – $1,373
Schedule Impact3 days
Recommended Action
  1. Architect to confirm the exact sink and counter location on the proposed plan and coordinate with the plumbing contractor.
  2. Verify that the casework design accommodates the tankless water heater installation and provides access for maintenance.
  3. Ensure the relocated sink position aligns with the plumbing rough-in shown on P1.

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Plan Conflict & Coordination Report
Project:
Report Date: August 12, 2026
Conflicts Found:
Cost Exposure:
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