[
  {
    "id": "RFI-01",
    "priority": "High",
    "topic": "Plumbing fixtures do not reconcile",
    "evidence": "A102 versus PP101/PP401/PP601: master double lavatory absent from P plan; porch sink tagged LV-02; schedule lists 2 KS but only one clearly routed.",
    "estimate_treatment": "Use A102: 5 bath lavatories + 2 kitchen/porch sinks + 1 laundry sink. Add omitted branches explicitly.",
    "release_requirement": "Issue coordinated fixture/rough-in schedule before slab."
  },
  {
    "id": "RFI-02",
    "priority": "High",
    "topic": "Showers, hose bibbs and appliances",
    "evidence": "PP601 lists 5 SH-01; A102 shows 3 shower enclosures and one tub/shower. P plan has 3 HB; A102 has 5. A102 shows 2 DW and 2 REF.",
    "estimate_treatment": "Carry 5 valve/head sets: 2 master, 1 each guest shower, 1 tub/shower; 3 shower drains; 5 HB; 2 dishwasher connections; 2 ice maker boxes.",
    "release_requirement": "Confirm actual shower outlets and appliance list; delete optional second master set if not required."
  },
  {
    "id": "RFI-03",
    "priority": "High",
    "topic": "Domestic water sizes and material family",
    "evidence": "PG001 material block calls CPVC Sch40 above grade and Type K below; generic notes also mention Type L. PP101/401 calls 2-inch DCW/DHW and 1-1/2 branches.",
    "estimate_treatment": "Retain large drawn diameters. Budget compatible CTS SDR11 water distribution and matching fittings as an estimating substitution ONLY; Type K service.",
    "release_requirement": "Engineer confirms hydraulic sizing, hot-water wait time, material/IPS-versus-CTS selection and compatible transitions; repricing required if Sch40 IPS retained."
  },
  {
    "id": "RFI-04",
    "priority": "High",
    "topic": "Vent sizing and missing fixture branches",
    "evidence": "PP101/401 includes 2-1/2-inch vent labels; guest showers and architectural master lavs lack complete coordinated routing.",
    "estimate_treatment": "Carry drawn 2-1/2 vent mains with 2-inch branch vents; provisional lengths and fittings, no automatic reduction.",
    "release_requirement": "Approve coordinated DWV/wet vent layout, roof terminations, cleanouts and site invert."
  },
  {
    "id": "RFI-05",
    "priority": "High",
    "topic": "Air handler schedule empty",
    "evidence": "MH601 AHU table has headings but no equipment row. MH101 shows one AHU-01. A102 shows two A/C closets.",
    "estimate_treatment": "One 4-ton-class matched AHU, one HP-1; 5k W supplemental heater allowance from A105 legend.",
    "release_requirement": "Engineer supplies AHU, heat kit, MCA/MOCP, clearances and matched AHRI data. No second system included."
  },
  {
    "id": "RFI-06",
    "priority": "High",
    "topic": "Heat pump performance inconsistency",
    "evidence": "MH601 A5HL5048A1000A states 12.15 SEER2; vendor identifies same model as 15.2 SEER2; A110 says minimum 16 SEER.",
    "estimate_treatment": "Budget equipment above generic entry-level pricing; not acceptance of scheduled efficiency.",
    "release_requirement": "Confirm energy compliance, matched -system efficiency and equipment model."
  },
  {
    "id": "RFI-07",
    "priority": "High",
    "topic": "Airflow schedule / device classification conflict",
    "evidence": "MG101 includes a stale Not Placed suite3 row and excludes observed Suite3/porch flows. MH101/401 also has unclassified D-01 at150 CFM.",
    "estimate_treatment": "Retain15 supplies 1530 CFM and9returns1410 CFM plus5 exhaust fan s250 CFM. D-01 carriedseparately asunclassifiedequipment, not countedassupply. MG101 totals1310SA/1275RA differ.",
    "release_requirement": "Reconcile room names, all device tags/flows, load calculation, Manual D, outdoor air and pressure balance."
  },
  {
    "id": "RFI-08",
    "priority": "High",
    "topic": "Water heater electrical and capacity",
    "evidence": "PP601 ENT-55: 4.5k W nominal, 6k W max, MCA31.25, MOCP50; note says dual4500W each max6k W; recovery20.7 labeled GPM.",
    "estimate_treatment": "55-gallon heater budget; reserved #8 copper / 40A two-pole estimating circuit only; RFI hold.",
    "release_requirement": "Verify exact heater nameplate, simultaneous/non-simultaneous elements, branch circuit, capacity and recovery units. Do not buy breaker from this allowance."
  },
  {
    "id": "RFI-09",
    "priority": "High",
    "topic": "Electrical design incomplete",
    "evidence": "A105 has devices but no circuit numbers, panel schedule, load calculation, service size or utility detail.",
    "estimate_treatment": "Proposed circuit register, 200A service plus 100A subpanel budget; panel-space checks only. Copper throughout.",
    "release_requirement": "Licensed electrical designer finalizes load/service sizing, fault rating, protection, wire methods, derating, voltage drop and utility arrangement."
  },
  {
    "id": "RFI-10",
    "priority": "High",
    "topic": "Roof assembly, drainage and parapet geometry",
    "evidence": "A106/107 TPO over #30 felt/5/8 plywood; slopes but no tapered build-up or manufacturer assembly; A109 shows 7 primary scupper positions, typical overflow.",
    "estimate_treatment": "3912 SF roof, 7 primary +7 separate overflow scuppers, 7 leaders; separate tapered insulation allowance and membrane upstands.",
    "release_requirement": "Provide approved roof assembly/uplift fastening, slopes, tapered takeoff, parapet heights, scupper sizes and site discharge design."
  },
  {
    "id": "RFI-11",
    "priority": "High",
    "topic": "Slab and area reconciliation",
    "evidence": "A101 2867+255+675=3797 SF vs3125 AC and3912 covered; A1044-inch4000psi fiber vs A1103000psi mesh.",
    "estimate_treatment": "3797 SF slab plus24 SF stoop; 3122 finish SF;3912 roof.4000psi slab, both mesh and fiber held in base pending clarification.",
    "release_requirement": "Architect confirms area schedule and slab reinforcement; deduct unused reinforcement after resolution."
  },
  {
    "id": "RFI-12",
    "priority": "High",
    "topic": "Structural systems and fabrication",
    "evidence": "A106/107 mixes CMU and18ga5.5-inch steel studs; no steel-truss shop layout or bar bending schedule.",
    "estimate_treatment": "Hybrid budget:8-foot CMU base plus4-foot exterior stud band and3-foot parapet; 24-inch truss spacing equivalent. Quantities provisional.",
    "release_requirement": "Engineer confirms wall-by-wall construction and heights, girder/truss schedule, connectors, reinforcement and large-opening headers. Do not fabricate from this estimate."
  },
  {
    "id": "RFI-13",
    "priority": "High",
    "topic": "Ground/civil scope not supplied",
    "evidence": "Referenced civil continuation and2013 soils report absent. A109 says1500psf soil; A1102000psf.",
    "estimate_treatment": "70 LF water and70 LF sewer service allowances;6-inch fill only; site grading and storm components provisional.",
    "release_requirement": "Obtain current survey/geotech/civil utility inverts, lengths, fees, imported fill and drainage design."
  },
  {
    "id": "RFI-14",
    "priority": "High",
    "topic": "Missing plumbing specification sheet",
    "evidence": "PG001 index lists8 entries including duplicated PP601; supplied set has7 pages ending PP802.",
    "estimate_treatment": "Read all7 received; no assumption missing specification page was reviewed.",
    "release_requirement": "Confirm full current P set and whether duplicate PP601 is an indexing error."
  },
  {
    "id": "RFI-15",
    "priority": "High",
    "topic": "Window/door orders",
    "evidence": "A102 schedule codes1680 used for both16-foot SGD and1-foot6 swing; D14 2380 implies23-foot bifold; RO/height unverified.",
    "estimate_treatment": "Separate door mark register; impact exterior allowance; no product selections.",
    "release_requirement": "Approve opening shop drawings, elevations, egress, glass pressure ratings and hardware."
  },
  {
    "id": "RFI-16",
    "priority": "High",
    "topic": "Condensate and acoustic screen",
    "evidence": "MP101 sanitary/soakaway vs A110 discharge2feet clear; A102 framed sound fence vs A110 masonry acoustic wall.",
    "estimate_treatment": "60 ft total condensate/pan piping and soakaway allowance;16 LF framed acoustic screen.",
    "release_requirement": "Coordinate approved discharge, traps/check-valve note, maintenance and condenser airflow/sound-screen detail."
  },
  {
    "id": "RFI-17",
    "priority": "High",
    "topic": "Kitchen exhaust / dryer / make-up air",
    "evidence": "No coordinated hood or dryer routes on MH101 despite appliances on A102.",
    "estimate_treatment": "Two electric cooking stations, two hoods, one dryer; explicit rigid exhaust paths; one makeup-air provision.",
    "release_requirement": "Confirm hood CFM, outdoor discharge clearances and whether makeup air/interlock needed."
  },
  {
    "id": "RFI-18",
    "priority": "High",
    "topic": "Finish and energy selections absent",
    "evidence": "No detailed finish schedule, cabinet elevations or energy report.",
    "estimate_treatment": "Midgrade owner-selection allowances; spray foam quantity provision, not assigned approved R-value.",
    "release_requirement": "Approve finishes, cabinet shop drawings, insulation/thermal barrier assembly and energy model."
  },
  {
    "id": "RFI-19",
    "priority": "High",
    "topic": "Pool and outdoor utility interfaces",
    "evidence": "A102 pool BY OTHERS; no pool power, heater, pad or bonding design.",
    "estimate_treatment": "Pool/screen/deck excluded; no fictitious pool circuit. Water/landscape power interfaces listed.",
    "release_requirement": "Pool vendor supplies equipment loads, bond grid and interface scope. Price as separate package."
  },
  {
    "id": "RFI-20",
    "priority": "High",
    "topic": "Generic details include inapplicable commercial systems",
    "evidence": "MH501/MH502/MH701 and PG001 include surgical-suite, chilledwater, seismic-joint, fire-alarm andmedical-gas template details with out associated residence systems.",
    "estimate_treatment": "Do notcount everygenericdetail asinstalledscope. Carryresidentialequipment/supports/controls only;no BAS,FACP,medicalgasorhydronicplant.",
    "release_requirement": "Engineeridentifiesapplicabledetails andcontrols;confirmsductsmokedetection/airflowthresholds andresidentialrequirements."
  }
]