Plan Comply — SANS 10400 Building Plan Pre-Screening AI

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SANS 10400 architectural building plan compliance checks, municipal checklists, and SLA lookups.

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calculate_sans_fenestration

Calculate SANS 10400-O statutory natural lighting (min. 10% floor area) and natural ventilation (min. 5% openable sash area) compliance for habitable rooms.

floor_area_m2number, required

Internal floor area of the habitable room in square metres (m²).

room_namestring

Name or label of the habitable room (e.g. "Bedroom 1", "Living Room", "Study").

actual_glazed_area_m2number

Total installed window glazed area in square metres (m²).

actual_openable_area_m2number

Total installed clear openable window sash ventilation area in square metres (m²).

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Tools (7)

calculate_sans_fenestration

Calculate SANS 10400-O statutory natural lighting (min. 10% floor area) and natural ventilation (min. 5% openable sash area) compliance for habitable rooms.

Argument	Type	Description
room_name	string	Name or label of the habitable room (e.g. "Bedroom 1", "Living Room", "Study").
floor_area_m2*	number	Internal floor area of the habitable room in square metres (m²).
actual_glazed_area_m2	number	Total installed window glazed area in square metres (m²).
actual_openable_area_m2	number	Total installed clear openable window sash ventilation area in square metres (m²).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "floor_area_m2"
  ],
  "properties": {
    "room_name": {
      "type": "string",
      "description": "Name or label of the habitable room (e.g. \"Bedroom 1\", \"Living Room\", \"Study\")."
    },
    "floor_area_m2": {
      "type": "number",
      "description": "Internal floor area of the habitable room in square metres (m²)."
    },
    "actual_glazed_area_m2": {
      "type": "number",
      "description": "Total installed window glazed area in square metres (m²)."
    },
    "actual_openable_area_m2": {
      "type": "number",
      "description": "Total installed clear openable window sash ventilation area in square metres (m²)."
    }
  }
}

calculate_stair_compliance

Evaluate stairway geometry and life safety against SANS 10400-M standards (riser max 200 mm, going min 250 mm, 2R + G formula 570-650 mm, headroom min 2,100 mm).

Argument	Type	Description
going_mm*	number	Stair tread horizontal going in millimetres excluding nosing (must not be less than 250 mm).
riser_mm*	number	Stair riser vertical height in millimetres (must not exceed 200 mm).
headroom_mm	number	Vertical headroom clearance in millimetres measured vertically from the nosing pitch line (must be min. 2,100 mm).
baluster_gap_mm	number	Maximum clear gap between vertical balusters in millimetres (must not exceed 100 mm).
balustrade_height_mm	number	Height of balustrade in millimetres (min. 1,000 mm on landings, 850 mm on flights).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "riser_mm",
    "going_mm"
  ],
  "properties": {
    "going_mm": {
      "type": "number",
      "description": "Stair tread horizontal going in millimetres excluding nosing (must not be less than 250 mm)."
    },
    "riser_mm": {
      "type": "number",
      "description": "Stair riser vertical height in millimetres (must not exceed 200 mm)."
    },
    "headroom_mm": {
      "type": "number",
      "description": "Vertical headroom clearance in millimetres measured vertically from the nosing pitch line (must be min. 2,100 mm)."
    },
    "baluster_gap_mm": {
      "type": "number",
      "description": "Maximum clear gap between vertical balusters in millimetres (must not exceed 100 mm)."
    },
    "balustrade_height_mm": {
      "type": "number",
      "description": "Height of balustrade in millimetres (min. 1,000 mm on landings, 850 mm on flights)."
    }
  }
}

check_municipal_requirements

Retrieve submission document checklists, statutory forms (Form 1/2), geotechnical/dolomite rules, and common rejection delay factors for South African metropolitan municipalities.

Argument	Type	Description
municipality*	string	Municipality name or abbreviation (e.g. "City of Johannesburg", "COJ", "Tshwane", "Pretoria", "City of Cape Town", "COCT", "Ekurhuleni", "eThekwini", "Durban").

Input schema (JSON)

{
  "type": "object",
  "required": [
    "municipality"
  ],
  "properties": {
    "municipality": {
      "type": "string",
      "description": "Municipality name or abbreviation (e.g. \"City of Johannesburg\", \"COJ\", \"Tshwane\", \"Pretoria\", \"City of Cape Town\", \"COCT\", \"Ekurhuleni\", \"eThekwini\", \"Durban\")."
    }
  }
}

get_common_rejection_pitfalls

Retrieve top 25 common reasons municipal building control examiners reject building plans in South Africa, accompanied by verified remediation steps.

Argument	Type	Description
category	string	Optional category filter. Defaults to all.

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "category": {
      "enum": [
        "all",
        "documentation",
        "zoning",
        "glazing",
        "lighting_ventilation",
        "drainage",
        "stairs",
        "safety",
        "fire",
        "parking",
        "accessibility",
        "energy"
      ],
      "type": "string",
      "description": "Optional category filter. Defaults to all."
    }
  }
}

get_credit_pricing

Retrieve official Plan Comply pre-submission plan audit credit packages, volume discounts, and checkout details.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {}
}

get_sans_rules

Search and query South African National Building Regulations (SANS 10400) clauses by Part (A to XA) or category (Dimensions, Glazing, Fire, Ventilation, Drainage, Stairs, Walls, Documentation).

Argument	Type	Description
query	string	Optional keyword search term to match within rule titles, descriptions, and guidance notes.
category	string	Category filter (e.g. "Dimensions", "Glazing", "Stairways", "Fire Safety", "Drainage", "Walls", "Energy Efficiency").
sans_part	string	SANS 10400 Part identifier (e.g. "Part A", "Part C", "Part K", "Part M", "Part N", "Part O", "Part P", "Part S", "Part T", "Part XA").

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "query": {
      "type": "string",
      "description": "Optional keyword search term to match within rule titles, descriptions, and guidance notes."
    },
    "category": {
      "type": "string",
      "description": "Category filter (e.g. \"Dimensions\", \"Glazing\", \"Stairways\", \"Fire Safety\", \"Drainage\", \"Walls\", \"Energy Efficiency\")."
    },
    "sans_part": {
      "type": "string",
      "description": "SANS 10400 Part identifier (e.g. \"Part A\", \"Part C\", \"Part K\", \"Part M\", \"Part N\", \"Part O\", \"Part P\", \"Part S\", \"Part T\", \"Part XA\")."
    }
  }
}

pre_check_building_plan

Run an automated multi-point regulatory validation on building plan specifications and return a compliance readiness score, defect warnings, and submission checklist.

Argument	Type	Description
municipality*	string	Target South African municipality for plan submission (e.g. "City of Johannesburg", "Tshwane", "City of Cape Town", "Ekurhuleni", "eThekwini").
project_name	string	Name of the building or architectural project.
building_class	string	Occupancy classification (e.g. "H4 Single Dwelling House", "H3 Multi-Dwelling", "G1 Offices", "F1 Retail"). Default is "H4 Single Dwelling House".
has_sans_forms	boolean	Whether SANS 10400 Form 1 and Form 2 (if structural work included) are prepared.
has_sacap_declaration	boolean	Whether the drawing title block contains the registered architectural professional full name, registration number, category, and signature.
habitable_room_height_mm	number	Specified clear finished floor-to-ceiling height in habitable rooms in millimetres (min. 2,400 mm).
has_rodding_eyes_at_bends	boolean	Whether rodding eyes or inspection chambers are provided at drainage bends > 45° and junctions.

{ "type": "object", "required": [ "municipality" ], "properties": { "municipality": { "type": "string", "description": "Target South African municipality for plan submission (e.g. \"City of Johannesburg\", \"Tshwane\", \"City of Cape Town\", \"Ekurhuleni\", \"eThekwini\")." }, "project_name": { "type": "string", "description": "Name of the building or architectural project." }, "building_class": { "type": "string", "description": "Occupancy classification (e.g. \"H4 Single Dwelling House\", \"H3 Multi-Dwelling\", \"G1 Offices\", \"F1 Retail\"). Default is \"H4 Single Dwelling House\"." }, "has_sans_forms": { "type": "boolean", "description": "Whether SANS 10400 Form 1 and Form 2 (if structural work included) are prepared." }, "has_sacap_declaration": { "type": "boolean", "description": "Whether the drawing title block contains the registered architectural professional full name, registration number, category, and signature." }, "habitable_room_height_mm": { "type": "number", "description": "Specified clear finished floor-to-ceiling height in habitable rooms in millimetres (min. 2,400 mm)." }, "has_rodding_eyes_at_bends": { "type": "boolean", "description": "Whether rodding eyes or inspection chambers are provided at drainage bends > 45° and junctions." }, "external_wall_thickness_mm": { "type": "number", "description": "External wall thickness in millimetres (standard cavity wall is min. 270 mm)." }, "has_renewable_water_heating": { "type": "boolean", "description": "Whether min. 50% solar water heating or heat pump is specified as required by SANS 10400-XA." }, "gully_height_above_ground_mm": { "type": "number", "description": "Height of sewer gully head coping above finished ground level in millimetres (min. 150 mm)." }, "has_safety_glass_below_800mm": { "type": "boolean", "description": "Whether safety glass (SANS 1263-1) is specified for all glazing with sill < 800 mm from FFL." } } }