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], [ 57.3333, 1.6667 ], [ 57.3333, 4.6667000000000005 ], [ 54.3333, 4.6667000000000005 ] ] ] ], "height": 2 }, { "id": "ensuite-wc", "kind": "wc", "geometry": [ [ [ [ 58.3333, 2 ], [ 59.8333, 2 ], [ 59.8333, 4.5 ], [ 58.3333, 4.5 ] ] ] ], "height": 1.5 }, { "id": "ensuite-basin", "kind": "sink", "geometry": [ [ [ [ 54.3333, 6.5 ], [ 56.3333, 6.5 ], [ 56.3333, 7.75 ], [ 54.3333, 7.75 ] ] ] ], "height": 2.5 }, { "id": "laundry-stack", "kind": "laundry", "geometry": [ [ [ [ 28.1667, 12.1667 ], [ 30.6667, 12.1667 ], [ 30.6667, 15.1667 ], [ 28.1667, 15.1667 ] ] ] ], "height": 6 }, { "id": "water-heater", "kind": "water-heater", "geometry": [ [ [ [ 30.6667, 12.1667 ], [ 33.6667, 12.1667 ], [ 33.6667, 15.1667 ], [ 30.6667, 15.1667 ] ] ] ], "height": 6 } ], "windowChangesPrototypeA": [ { "id": "bed2-street", "a": [ 5, 3.5 ], "b": [ 5, 7.5 ], "sill": 3.25, "head": 10.5, "room": "bed2" }, { "id": "bed3-street", "a": [ 5, 12.5 ], "b": [ 5, 16.5 ], "sill": 3.25, "head": 10.5, "room": "bed3" }, { "id": "primary-garden", "a": [ 76.5, 4 ], "b": [ 76.5, 9 ], "sill": 3.25, "head": 10.5, "room": "primary" }, { "id": "living-garden", "a": [ 76.5, 16 ], "b": [ 76.5, 20.5 ], "sill": 3.25, "head": 10.5, "room": "living" } ], "shaftsPrototypeA": [ { "id": "S1", "x": 24.8333, "y": 41, "w": 3, "h": 3, "kind": "wet", "serves": "Ground front + upper type 1: kitchen, two wet rooms, laundry", "old": [ "1-1", "1-2", "1-3" ], "geometry": [ [ [ [ 24.8333, 41 ], [ 27.8333, 41 ], [ 27.8333, 44 ], [ 24.8333, 44 ] ] ] ], "grossSf": 9, "insideClearFt": [ 2, 2 ], "levels": [ 0, 14, 26, 38, 50 ], "wallThicknessFt": 0.5, "status": "New coordinated reservation, not existing installed service", "clearEnvelopeNote": "Nominal lining clearance; exterior-wall thickness reduces S3 and E1 usable duct/conduit space. Engineer must confirm actual assembled clear dimensions and rated wall system." }, { "id": "S2", "x": 30.1667, "y": 8.9167, "w": 3, "h": 3, "kind": "wet", "serves": "Ground elbow bath / powder / laundry + upper type 2 baths", "old": [ "2-2", "2-3" ], "geometry": [ [ [ [ 30.1667, 8.9167 ], [ 33.1667, 8.9167 ], [ 33.1667, 11.9167 ], [ 30.1667, 11.9167 ] ] ] ], "grossSf": 9, "insideClearFt": [ 2, 2 ], "levels": [ 0, 14, 26, 38, 50 ], "wallThicknessFt": 0.5, "status": "New coordinated reservation, not existing installed service", "clearEnvelopeNote": "Nominal lining clearance; exterior-wall thickness reduces S3 and E1 usable duct/conduit space. Engineer must confirm actual assembled clear dimensions and rated wall system." }, { "id": "S3", "x": 52.5, "y": 22, "w": 2.5, "h": 3, "kind": "wet", "serves": "Ground elbow and upper type 2 courtyard kitchens", "old": [ "2-1" ], "geometry": [ [ [ [ 52.5, 22 ], [ 55, 22 ], [ 55, 25 ], [ 52.5, 25 ] ] ] ], "grossSf": 7.5, "insideClearFt": [ 1.5, 2 ], "levels": [ 0, 14, 26, 38, 50 ], "wallThicknessFt": 0.5, "status": "New coordinated reservation, not existing installed service", "clearEnvelopeNote": "Nominal lining clearance; exterior-wall thickness reduces S3 and E1 usable duct/conduit space. Engineer must confirm actual assembled clear dimensions and rated wall system." }, { "id": "S4", "x": 61.25, "y": 26, "w": 3, "h": 3, "kind": "wet", "serves": "Upper type 3 kitchen / ensuite / powder / laundry; ground wet utility", "old": [ "3-1", "3-2", "3-3" ], "geometry": [ [ [ [ 61.25, 26 ], [ 64.25, 26 ], [ 64.25, 29 ], [ 61.25, 29 ] ] ] ], "grossSf": 9, "insideClearFt": [ 2, 2 ], "levels": [ 0, 14, 26, 38, 50 ], "wallThicknessFt": 0.5, "status": "New coordinated reservation, not existing installed service", "clearEnvelopeNote": "Nominal lining clearance; exterior-wall thickness reduces S3 and E1 usable duct/conduit space. Engineer must confirm actual assembled clear dimensions and rated wall system." }, { "id": "E1", "x": 73.5, "y": 26, "w": 3, "h": 3, "kind": "dry", "serves": "Electrical feeders and separately segregated telecom", "old": [], "geometry": [ [ [ [ 73.5, 26 ], [ 76.5, 26 ], [ 76.5, 29 ], [ 73.5, 29 ] ] ] ], "grossSf": 9, "insideClearFt": [ 2, 2 ], "levels": [ 0, 14, 26, 38, 50 ], "wallThicknessFt": 0.5, "status": "New coordinated reservation, not existing installed service", "clearEnvelopeNote": "Nominal lining clearance; exterior-wall thickness reduces S3 and E1 usable duct/conduit space. Engineer must confirm actual assembled clear dimensions and rated wall system." } ], "utility": { "grossSfPerBuilding": 172, "wetGrossSf": 76, "dryGrossSf": 96, "equipments": [ { "id": "water-meter-backflow", "x": 55.75, "y": 22.5, "w": 3, "h": 2.5, "geometry": [ [ [ [ 55.75, 22.5 ], [ 58.75, 22.5 ], [ 58.75, 25 ], [ 55.75, 25 ] ] ] ], "status": "Planning envelope; manufacturer, load and clearances to be selected" }, { "id": "fire-manifold", "x": 59, "y": 22.5, "w": 2, "h": 3, "geometry": [ [ [ [ 59, 22.5 ], [ 61, 22.5 ], [ 61, 25.5 ], [ 59, 25.5 ] ] ] ], "status": "Planning envelope; manufacturer, load and clearances to be selected" }, { "id": "electric-main", "x": 65.5, "y": 22.5, "w": 2, "h": 1.5, "geometry": [ [ [ [ 65.5, 22.5 ], [ 67.5, 22.5 ], [ 67.5, 24 ], [ 65.5, 24 ] ] ] ], "status": "Planning envelope; manufacturer, load and clearances to be selected" }, { "id": "meter-bank-1-6", "x": 67.75, "y": 22.5, "w": 2.75, "h": 1.5, "geometry": [ [ [ [ 67.75, 22.5 ], [ 70.5, 22.5 ], [ 70.5, 24 ], [ 67.75, 24 ] ] ] ], "status": "Planning envelope; manufacturer, load and clearances to be selected" }, { "id": "meter-bank-7-12", "x": 70.75, "y": 22.5, "w": 2.75, "h": 1.5, "geometry": [ [ [ [ 70.75, 22.5 ], [ 73.5, 22.5 ], [ 73.5, 24 ], [ 70.75, 24 ] ] ] ], "status": "Planning envelope; manufacturer, load and clearances to be selected" } ], "clearances": [ { "id": "electric-working-space", "geometry": [ [ [ [ 65.5, 24 ], [ 73.5, 24 ], [ 73.5, 28 ], [ 65.5, 28 ] ] ] ], "note": "4-ft planning clearance; final NEC condition and voltage not determined" }, { "id": "wet-service-space", "geometry": [ [ [ [ 55.75, 25.5 ], [ 61, 25.5 ], [ 61, 28.8333 ], [ 55.75, 28.8333 ] ] ] ], "note": "Approach to meter, fire manifold and S4 access panel" } ], "doors": [ { "id": "wet-utility", "a": [ 55.75, 30 ], "b": [ 58.75, 30 ], "hinge": [ 55.75, 30 ], "open": [ 55.75, 27 ] }, { "id": "electric-utility", "a": [ 65.25, 30 ], "b": [ 68.25, 30 ], "hinge": [ 65.25, 30 ], "open": [ 65.25, 27 ] } ], "electricalMeterPositionsPerBuilding": 12, "fixtureProgramPerBuilding": { "homes": 11, "kitchens": 11, "fullBaths": 18, "powderRooms": 5, "toilets": 23, "laundryClosets": 11 }, "note": "Equipment zones and access are explicit; equipment selection, capacity and mechanical strategy require R2\u2013R4." }, "serviceRouting": { "branchesPrototypeA": [ { "id": "upper1-kitchen", "stack": "S1", "points": [ [ 38, 44 ], [ 26.3333, 44 ], [ 26.3333, 42.5 ] ], "lengthFt": 13.1667, "slopeAllowanceInches": 3.2917, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper1-ensuite", "stack": "S1", "points": [ [ 23, 44 ], [ 26.3333, 44 ], [ 26.3333, 42.5 ] ], "lengthFt": 4.8333, "slopeAllowanceInches": 1.2083, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper1-bath", "stack": "S1", "points": [ [ 24, 37 ], [ 26.3333, 37 ], [ 26.3333, 42.5 ] ], "lengthFt": 7.8333, "slopeAllowanceInches": 1.9583, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper1-laundry", "stack": "S1", "points": [ [ 28, 32 ], [ 26.3333, 32 ], [ 26.3333, 42.5 ] ], "lengthFt": 12.1667, "slopeAllowanceInches": 3.0417, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper2-ensuite", "stack": "S2", "points": [ [ 29.5, 7.5 ], [ 31.6667, 7.5 ], [ 31.6667, 10.4167 ] ], "lengthFt": 5.0834, "slopeAllowanceInches": 1.2708, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper2-bath", "stack": "S2", "points": [ [ 29.5, 14 ], [ 31.6667, 14 ], [ 31.6667, 10.4167 ] ], "lengthFt": 5.75, "slopeAllowanceInches": 1.4375, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper2-laundry", "stack": "S2", "points": [ [ 33, 13.5 ], [ 31.6667, 13.5 ], [ 31.6667, 10.4167 ] ], "lengthFt": 4.4166, "slopeAllowanceInches": 1.1042, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper2-kitchen", "stack": "S3", "points": [ [ 50, 23 ], [ 53.75, 23 ], [ 53.75, 23.5 ] ], "lengthFt": 4.25, "slopeAllowanceInches": 1.0625, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper3-ensuite", "stack": "S4", "points": [ [ 68, 12 ], [ 62.75, 12 ], [ 62.75, 27.5 ] ], "lengthFt": 20.75, "slopeAllowanceInches": 5.1875, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper3-powder", "stack": "S4", "points": [ [ 59, 17 ], [ 62.75, 17 ], [ 62.75, 27.5 ] ], "lengthFt": 14.25, "slopeAllowanceInches": 3.5625, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper3-laundry", "stack": "S4", "points": [ [ 59, 22 ], [ 62.75, 22 ], [ 62.75, 27.5 ] ], "lengthFt": 9.25, "slopeAllowanceInches": 2.3125, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "upper3-kitchen", "stack": "S4", "points": [ [ 68, 28 ], [ 62.75, 28 ], [ 62.75, 27.5 ] ], "lengthFt": 5.75, "slopeAllowanceInches": 1.4375, "scope": "upper", "system": "DWV + vent branch reservation", "band": "underfloor / ceiling band; size and structure unverified" }, { "id": "ground-front-kitchen", "stack": "S1", "points": [ [ 37, 41 ], [ 26.3333, 41 ], [ 26.3333, 42.5 ] ], "lengthFt": 12.1667, "slopeAllowanceInches": 3.0417, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" }, { "id": "ground-front-bath", "stack": "S1", "points": [ [ 23, 40 ], [ 26.3333, 40 ], [ 26.3333, 42.5 ] ], "lengthFt": 5.8333, "slopeAllowanceInches": 1.4583, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" }, { "id": "ground-front-powder", "stack": "S1", "points": [ [ 28, 37 ], [ 26.3333, 37 ], [ 26.3333, 42.5 ] ], "lengthFt": 7.1667, "slopeAllowanceInches": 1.7917, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" }, { "id": "ground-front-laundry", "stack": "S1", "points": [ [ 28, 32 ], [ 26.3333, 32 ], [ 26.3333, 42.5 ] ], "lengthFt": 12.1667, "slopeAllowanceInches": 3.0417, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" }, { "id": "ground-elbow-bath", "stack": "S2", "points": [ [ 29, 7 ], [ 31.6667, 7 ], [ 31.6667, 10.4167 ] ], "lengthFt": 6.0834, "slopeAllowanceInches": 1.5208, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" }, { "id": "ground-elbow-powder", "stack": "S2", "points": [ [ 26.5, 13 ], [ 31.6667, 13 ], [ 31.6667, 10.4167 ] ], "lengthFt": 7.75, "slopeAllowanceInches": 1.9375, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" }, { "id": "ground-elbow-laundry", "stack": "S2", "points": [ [ 29.5, 13.5 ], [ 31.6667, 13.5 ], [ 31.6667, 10.4167 ] ], "lengthFt": 5.25, "slopeAllowanceInches": 1.3125, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" }, { "id": "ground-elbow-ensuite", "stack": "S2", "points": [ [ 59, 4 ], [ 59, 10.4167 ], [ 31.6667, 10.4167 ] ], "lengthFt": 33.75, "slopeAllowanceInches": 8.4375, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" }, { "id": "ground-elbow-kitchen", "stack": "S3", "points": [ [ 50, 22.5 ], [ 53.75, 22.5 ], [ 53.75, 23.5 ] ], "lengthFt": 4.75, "slopeAllowanceInches": 1.1875, "scope": "ground", "system": "DWV + vent branch reservation", "band": "underslab; no pipes above electrical equipment" } ], "collectorsPrototypeA": [ { "id": "S1-to-street", "points": [ [ 26.3333, 42.5 ], [ 26.3333, 43 ], [ 0, 43 ] ] }, { "id": "S2-to-street", "points": [ [ 31.6667, 10.4167 ], [ 31.6667, 10 ], [ 0, 10 ] ] }, { "id": "S3-to-S2", "points": [ [ 53.75, 23.5 ], [ 53.75, 10 ], [ 31.6667, 10 ] ] }, { "id": "S4-to-S2", "points": [ [ 62.75, 27.5 ], [ 62.75, 10 ], [ 31.6667, 10 ] ] } ], "branchSlopeBasis": "1/4 in/ft planning budget, not final code pipe sizing", "floorToFloorFt": [ 14, 12, 12, 12 ], "upperHorizontalServiceBand": "24-in coordination band below each upper floor; structural depth and ceiling heights unresolved", "vertical": "All five shaft envelopes repeat unchanged at floors 0, 14, 26, 38 and roof 50. B mirrors A exactly.", "roofTermination": "Shaft route reserved to roof; above-roof outlets not finalized to preserve the existing 50-ft roof.", "distributionPrototypeA": [ { "id": "water-S1", "system": "water", "scope": "ground", "points": [ [ 57.25, 23.75 ], [ 57.25, 18 ], [ 42.5, 18 ], [ 42.5, 43 ], [ 26.3333, 43 ], [ 26.3333, 42.5 ] ] }, { "id": "water-S2", "system": "water", "scope": "ground", "points": [ [ 57.25, 23.75 ], [ 57.25, 18 ], [ 31.6667, 18 ], [ 31.6667, 10.4167 ] ] }, { "id": "water-S3", "system": "water", "scope": "ground", "points": [ [ 57.25, 23.75 ], [ 57.25, 21 ], [ 53.75, 21 ], [ 53.75, 23.5 ] ] }, { "id": "water-S4", "system": "water", "scope": "ground", "points": [ [ 57.25, 23.75 ], [ 57.25, 25.75 ], [ 62.75, 25.75 ], [ 62.75, 27.5 ] ] }, { "id": "fire-S4", "system": "fire", "scope": "ground", "points": [ [ 60, 24 ], [ 60, 25.75 ], [ 62.75, 25.75 ], [ 62.75, 27.5 ] ] }, { "id": "electrical-front", "system": "electrical", "scope": "all", "points": [ [ 75.25, 27.5 ], [ 64.75, 27.5 ], [ 64.75, 20.5 ], [ 42.5, 20.5 ], [ 42.5, 33.5 ], [ 40, 33.5 ] ] }, { "id": "electrical-elbow", "system": "electrical", "scope": "all", "points": [ [ 75.25, 27.5 ], [ 64.75, 27.5 ], [ 64.75, 20.5 ], [ 42.5, 20.5 ], [ 42.5, 18.5 ] ] }, { "id": "electrical-wing", "system": "electrical", "scope": "upper", "points": [ [ 75.25, 27.5 ], [ 55, 27.5 ] ] } ], "distributionNote": "Water/fire mains run below the ground floor to the wet stacks; electrical routes occupy a separate ceiling band from E1 to unit entries. All utility service-entry locations, frost protection, fire branches and final routes require engineering." }, "oldToNewRisers": [ { "oldId": "A-1-1", "oldRoom": "Kitchen", "oldGeometry": [ [ [ [ 28, 37 ], [ 30, 37 ], [ 30, 39 ], [ 28, 39 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S1", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "A-1-2", "oldRoom": "Ensuite", "oldGeometry": [ [ [ [ 18, 42 ], [ 20, 42 ], [ 20, 44 ], [ 18, 44 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S1", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "A-1-3", "oldRoom": "Bath", "oldGeometry": [ [ [ [ 14, 22 ], [ 16, 22 ], [ 16, 24 ], [ 14, 24 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S1", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "A-2-1", "oldRoom": "Kitchen", "oldGeometry": [ [ [ [ 43, 10 ], [ 45, 10 ], [ 45, 12 ], [ 43, 12 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S3", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "A-2-2", "oldRoom": "Ensuite", "oldGeometry": [ [ [ [ 5, 12 ], [ 7, 12 ], [ 7, 14 ], [ 5, 14 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S2", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "A-2-3", "oldRoom": "Bath", "oldGeometry": [ [ [ [ 27, 12 ], [ 29, 12 ], [ 29, 14 ], [ 27, 14 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S2", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "A-3-1", "oldRoom": "Kitchen", "oldGeometry": [ [ [ [ 64, 16 ], [ 66, 16 ], [ 66, 18 ], [ 64, 18 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S4", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "A-3-2", "oldRoom": "Ensuite", "oldGeometry": [ [ [ [ 68.5, 0 ], [ 70.5, 0 ], [ 70.5, 2 ], [ 68.5, 2 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S4", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "A-3-3", "oldRoom": "Powder", "oldGeometry": [ [ [ [ 55, 14 ], [ 57, 14 ], [ 57, 16 ], [ 55, 16 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "A-S4", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-1-1", "oldRoom": "Kitchen", "oldGeometry": [ [ [ [ 28, 50 ], [ 30, 50 ], [ 30, 52 ], [ 28, 52 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S1", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-1-2", "oldRoom": "Ensuite", "oldGeometry": [ [ [ [ 18, 50 ], [ 20, 50 ], [ 20, 52 ], [ 18, 52 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S1", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-1-3", "oldRoom": "Bath", "oldGeometry": [ [ [ [ 14, 70 ], [ 16, 70 ], [ 16, 72 ], [ 14, 72 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S1", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-2-1", "oldRoom": "Kitchen", "oldGeometry": [ [ [ [ 53, 75 ], [ 55, 75 ], [ 55, 77 ], [ 53, 77 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S3", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-2-2", "oldRoom": "Ensuite", "oldGeometry": [ [ [ [ 5, 80 ], [ 7, 80 ], [ 7, 82 ], [ 5, 82 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S2", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-2-3", "oldRoom": "Bath", "oldGeometry": [ [ [ [ 27, 80 ], [ 29, 80 ], [ 29, 82 ], [ 27, 82 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S2", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-3-1", "oldRoom": "Kitchen", "oldGeometry": [ [ [ [ 64, 70 ], [ 66, 70 ], [ 66, 72 ], [ 64, 72 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S4", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-3-2", "oldRoom": "Ensuite", "oldGeometry": [ [ [ [ 68.5, 92 ], [ 70.5, 92 ], [ 70.5, 94 ], [ 68.5, 94 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S4", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" }, { "oldId": "B-3-3", "oldRoom": "Powder", "oldGeometry": [ [ [ [ 55, 81 ], [ 57, 81 ], [ 57, 83 ], [ 55, 83 ] ] ] ], "oldStatus": "Ground routing unresolved", "newId": "B-S4", "reason": "Nominal room-corner box superseded by a continuous shared stack serving the same wet function" } ], "nominalConflictResolution": { "priorGroundRoomConflicts": 12, "oldShaftBoxesTotal": 18, "installedServiceEvidence": false, "newWetStackGroups": 8, "newDryRisers": 2, "evidence": "stacked-v1 says ground routing unresolved for every box; no installed-equipment schedule. Full source retained. Old B box coordinates were not a consistent mirror; new B is exact mirror." }, "refuse": { "geometry": [ [ [ [ 112, 32 ], [ 124, 32 ], [ 124, 46 ], [ 112, 46 ] ] ] ], "grossSf": 168, "containers": [ { "id": "refuse", "geometry": [ [ [ [ 112.5, 33 ], [ 117, 33 ], [ 117, 39 ], [ 112.5, 39 ] ] ] ], "nominalCubicYards": 4 }, { "id": "recycling", "geometry": [ [ [ [ 112.5, 39.5 ], [ 117, 39.5 ], [ 117, 45.5 ], [ 112.5, 45.5 ] ] ] ], "nominalCubicYards": 4 } ], "clearServiceAisle": [ [ [ [ 117.5, 32.5 ], [ 123.5, 32.5 ], [ 123.5, 45.5 ], [ 117.5, 45.5 ] ] ] ], "residentGate": [ [ 118, 32 ], [ 123.5, 32 ] ], "collectionGate": [ [ 124, 33 ], [ 124, 45 ] ], "weeklyMinimumCubicYards": 5.5, "proposedStorageCubicYards": 8, "planningCollection": "At least weekly; increase to match actual waste split/generation. No hauling agreement assumed.", "newResidentPath": [ [ [ [ 78, 27 ], [ 124, 27 ], [ 124, 32 ], [ 78, 32 ] ] ] ], "landscapeChanges": "East picnic table moved to x99..106, y64..70; south east planted bed shortened to y27; crossing walk ends at x112." }, "metrics": { "before": { "homes": 22, "projectApartmentGrossSf": 19090, "groundApartmentGrossSf": 3700, "grossApartmentEfficiency": 86.93078324225864 }, "p1": { "projectApartmentGrossSf": 20050, "groundApartmentGrossSf": 4660, "utilitySf": 120 }, "after": { "homes": 22, "mix": { "oneBedroom": 8, "twoBedroom": 12, "threeBedroom": 2 }, "groundApartmentGrossSf": 4385, "upperApartmentGrossSfPerFloor": 5043, "projectApartmentGrossSf": 19514, "enclosedGrossSf": 21960, "grossApartmentEfficiency": 88.86156648451731, "groundEfficiency": 79.87249544626593, "utilitySf": 344, "groundShaftSfOutsideUtility": 51, "upperShaftSfPerFloor": 87, "allFloorShaftSfOutsideGroundUtility": 312, "coresSf": 1440, "passageSf": 350, "openLoggiaAndStairSf": 3040, "measuredNetSellableSf": null, "schematicallyPlannedFamilyHomes": 2, "totalVerifiedFamilyHomes": null }, "change": { "groundApartmentGrossSf": 685, "projectApartmentGrossSf": 424, "projectApartmentGrossVsP1": -536 }, "familyDefinition": "2BD+ and opposing exterior window fronts. Both revised 3BD homes have west/east windows and partitioned bedroom access; legal status and full-project family count remain unverified." }, "finance": { "basis": "Unchanged saved market assumptions; zero affordable allocations; conceptual sensitivity", "assumptions": { "liftCost": 0, "liftOpex": 0, "rent1": 1700, "rent2": 2200, "rent3": 2700, "rent4": 3300, "vacancy": 5, "otherIncome": 50, "opexPerHome": 5500, "taxPerSf": 3, "reservePerHome": 350, "hardPerSf": 275, "openPerSf": 100, "siteCost": 200000, "land": 258427.27, "softPct": 20, "contingencyPct": 8, "loanPct": 65, "interest": 6.5, "amortYears": 30, "capRate": 5.5, "affordable1Homes": 0, "affordable2Homes": 0, "affordable1Rent": 1300, "affordable2Rent": 1650 }, "baseline": { "scheduledRent": 532800, "noi": 331820, "hard": 6704160, "totalDevelopmentCost": 8839752.07, "other": 13200, "loss": 27300, "egi": 518700, "expenses": 186880, "reserves": 7700, "cashBeforeDebt": 324120, "soft": 1340832, "contingency": 536332.8, "loan": 5745838.845500001, "equity": 3093913.2244999995, "debt": 435811.32028611447, "cash": -111691.32028611447, "dscr": 0.7613845362762878, "yield": 3.753725187905638, "cashOnCash": -3.6100340307432073, "valuation": 6033090.909090909 }, "proposal": { "scheduledRent": 544800, "noi": 343220, "hard": 6729368, "totalDevelopmentCost": 8872018.31, "other": 13200, "loss": 27900, "egi": 530100, "expenses": 186880, "reserves": 7700, "cashBeforeDebt": 335520, "soft": 1345873.6, "contingency": 538349.4400000001, "loan": 5766811.9015, "equity": 3105206.408500001, "debt": 437402.0880524177, "cash": -101882.08805241768, "dscr": 0.7846784671930258, "yield": 3.8685673091222466, "cashOnCash": -3.2810085594803593, "valuation": 6240363.636363637 }, "delta": { "scheduledRent": 12000, "noi": 11400, "hard": 25208, "totalDevelopmentCost": 32266.240000000224, "other": 0, "loss": 600, "egi": 11400, "expenses": 0, "reserves": 0, "cashBeforeDebt": 11400, "soft": 5041.600000000093, "contingency": 2016.640000000014, "loan": 20973.055999998935, "equity": 11293.184000001289, "debt": 1590.7677663032082, "cash": 9809.232233696792, "dscr": 0.023293930916738037, "yield": 0.11484212121660864, "cashOnCash": 0.329025471262848, "valuation": 207272.72727272753 }, "formula": "685 ground gross sf gain \u00d7 legacy 92% proxy \u00d7 $40, plus 20% soft and 8% contingency. Proxy is not measured net. Upper shaft loss changes area accounting, not fixed rents or enclosed shell cost.", "unpriced": [ "New/revised windows and doors", "Wet and dry utility equipment, service connections and shaft assemblies", "Plumbing, ductwork and electrical rerouting; individual water heaters / HVAC", "Refuse enclosure, bins, revised landscaping and collection operations", "Accessible vertical route / elevator if required; structural, fire and code changes" ], "debtWarning": "Under the retained 65% loan, 6.5% interest and 30-year amortization, DSCR remains below 1.0 and cash after reserves/debt remains negative, before unpriced work." }, "retained": { "primaryEnvelopeHeightFt": 50, "stories": 4, "buildingCount": 2, "enclosedGrossSf": 21960, "entryPassageSf": 350, "D1Portals": "Exact retained meshes", "stairsAndCores": "Exact retained geometry", "streetVolumeException": "35-ft enclosure + 5-ft gallery + 5-ft setback retained" }, "residual": [ { "id": "R1", "severity": "Adoption blocker", "owner": "Architect / accessibility consultant", "issue": "Four-story walk-up accessibility strategy is not demonstrated.", "required": "Determine Chicago multi-story-housing classification, whether A/B constitute one structure for counting, required Type A/B and affordable-unit distribution, and an approved accessible vertical route. Twenty percent of 22 is 4.4 before required rounding/counting; four ground homes alone cannot satisfy five or more Type A units. If lift/elevator is required, return a dimensioned location, pit/overrun, landings and revised cost/area without sacrificing egress." }, { "id": "R2", "severity": "Engineering input", "owner": "MEP / utility providers", "issue": "Equipment envelopes have been fitted, but capacity is not engineered.", "required": "Provide 11-home plus common-service electrical load per building, voltage, ComEd meter/switchgear dimensions and clearances; water pressure/flow, backflow and sprinkler calculations; confirm whether fire pump/tank or transformer is needed. Selected equipment must fit 76-sf wet + 96-sf dry rooms or trigger a documented refit." }, { "id": "R3", "severity": "Engineering input", "owner": "Plumbing / structural engineers", "issue": "Continuous shaft topology and branch paths drawn; sizing, fall and supports unapproved.", "required": "Size DWV/vent/water/fire systems; establish sewer location/invert, cleanouts, trap-arm vents, penetration/firestop details and slab/beam coordination. Longest ground branch has a 1/4-in/ft planning fall budget recorded separately. Verify distinct waste/vent/air paths inside gross shafts, and roof termination clearances. Roof/cornice remains 50 ft; no above-roof outlet has been assumed complete." }, { "id": "R4", "severity": "Engineering input", "owner": "Mechanical / energy engineer", "issue": "Individual laundry + water-heater closets reserved; mechanical distribution incomplete.", "required": "Select 22 water heaters and HVAC systems with energy model, ventilation/condensate, intake/exhaust and outdoor-unit locations. A heat-pump water heater needs a designed airflow path; the closet alone does not establish it. No boiler room or rooftop equipment capacity has been assumed unnecessary." }, { "id": "R5", "severity": "Permit / room review", "owner": "Architect", "issue": "Three bedroom clear zones and direct windows fit; legal bedrooms and accessible room details unapproved.", "required": "Verify glazing, operable area, escape/rescue applicability, sash clear openings, sill heights, fire separation and structure; complete ICC A117.1 door maneuvering, bathroom and kitchen clearances. Study remains non-bedroom. Upper homes and the two existing ground 1BD homes have service-module layouts, not complete room fits." }, { "id": "R6", "severity": "Site / operations input", "owner": "Surveyor / civil engineer / refuse operator", "issue": "Rear alley is supported by the RFP/GIS map; actual dimensions and grades are not surveyed.", "required": "Confirm parcel boundary/alley width, service-lane clearance, collection vehicle/door operation, bin manufacturer sizes, frequency and waste split; confirm actual waste generation against the 50-cubic-yard weekly compactor threshold, drainage and nuisance control. Survey thresholds and slopes for the continuous ground paths. Resolve the RFP 125\u00d7100-ft rectangle versus earlier GIS area." } ], "sources": [ { "title": "Chicago 7-28-220: refuse capacity", "url": "https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2641280", "finding": "Minimum weekly allowance 0.25 cubic yard per occupied home including recycling; 22 homes need 5.5 cubic yards. Two nominal 4-cubic-yard containers provide 8 cubic yards gross storage. Waste split and collection frequency still require operator confirmation." }, { "title": "Chicago 7-28-230: refuse placement", "url": "https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2641302", "finding": "Alley collection should be on the served premises at the alley lot line. Keep gates and storage within the parcel; verify truck access and nuisance separation." }, { "title": "Chicago 14E-1-110: electrical installations", "url": "https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2669531", "finding": "Article 110 is adopted with Chicago amendments; electrical closets in non-high-rise buildings require at least one-hour fire rating. Four-foot working depth is a conservative planning reservation, subject to actual voltage/equipment condition." }, { "title": "Chicago 14B-11-1107: dwelling accessibility", "url": "https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2665355", "finding": "Multi-story housing requires 20% Type A units and accessible routes; its vertical-route exception is limited. The retained four-story walk-up scheme needs a licensed code determination of classification, counting and elevator strategy. No Type A/B approval is claimed." }, { "title": "Access Board accessible-route guide", "url": "https://www.access-board.gov/ada/guides/chapter-4-accessible-routes/", "finding": "Used only as a planning reference for clear routes; applicable residential scope and ICC A117.1 provisions must be established separately." }, { "title": "Chicago 7-28-225: compactor threshold", "url": "https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2641286", "finding": "The section refers to 50 cubic yards of weekly refuse generation. The 5.5-cubic-yard minimum allowance for this concept is below that threshold; actual generation and collection operations still require confirmation." }, { "title": "Chicago 14B-12-1207: room and kitchen dimensions", "url": "https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2665723", "finding": "The room-area screen requires one 120-sf room, dining at least 60 sf and other habitable spaces at least 70 sf. The proposed clear zones pass those numerical screens; legal bedroom status still depends on light, ventilation, egress and accessibility. Kitchen clear passage is at least 3 ft; the modeled island paths are checked separately." } ], "interiorRoute": { "geometry": [ [ [ [ 41.3, 9.5 ], [ 48.3, 9.5 ], [ 48.3, 18.25 ], [ 52.75, 18.25 ], [ 52.75, 14.5 ], [ 63.5, 14.5 ], [ 63.5, 17.5 ], [ 55.75, 17.5 ], [ 55.75, 21.25 ], [ 45.3, 21.25 ], [ 45.3, 12.5 ], [ 44.3, 12.5 ], [ 44.3, 18.5 ], [ 41.3, 18.5 ], [ 41.3, 9.5 ] ] ] ], "clearWidthFt": 3, "note": "Geometric clear strip through common rooms; does not certify door maneuvering or Type A/B compliance." }, "publication": { "previousSiteVersion": 67, "previousCommit": "ad5cdf49ed1905bf6443a0474628e2ee0daca9a9", "approval": "Alicia: Okay publish, 15 October 2026", "reviewPdf": "Evans-G2-P2-Review.pdf", "reviewPdfNote": "Exact reviewed document retained; its unpublished review label records the stage at which it was approved." } }