Subdivision and Consolidation Surveys - Concept Map
Land Parcel Division and Merger Operations
Related concepts
Subdivision Survey
Sub concepts
- Dividing line placement
- Area computation
- Lot monumentation
- Technical descriptions
- Subdivision plan preparation
Relationship to central
Primary operation of dividing one parcel into multiple lots with specified areas
Consolidation Survey
Sub concepts
- Boundary removal
- Area summation
- Perimeter monumentation
- Single technical description
- Consolidation plan preparation
Relationship to central
Primary operation of merging adjoining parcels into single parcel
Consolidation-Subdivision Survey
Sub concepts
- Staged boundary operations
- Area redistribution
- Project development planning
- Phased monumentation
Relationship to central
Combined operation merging and re-dividing parcels simultaneously
Area Partitioning Methods
Sub concepts
- Parallel-line method (rectangles)
- Coordinate method (irregular polygons)
- Graphical method
- Area balance verification
Relationship to central
Mathematical techniques to compute dividing lines meeting target areas
Legal and Regulatory Framework
Sub concepts
- RA 4374 (Subdivision Law)
- RA 8560 (Condominium Law)
- PD 1529 (Property Registration Decree)
- CA 141 (Public Land Act)
- LRA requirements and approval
Relationship to central
Philippine laws governing subdivision and consolidation operations
Technical Documentation
Sub concepts
- Subdivision plans (LRA-ready)
- Technical descriptions (new lots)
- Monument records
- Area schedules
- Boundary survey data
Relationship to central
Plans, descriptions, and records produced for titling and approval
Control and Monumentation
Sub concepts
- WGS84/PRS92 coordinate referencing
- PPCS/UTM projection usage
- Monument placement standards
- Tie-in procedures
- Accuracy requirements
Relationship to central
Tying new boundaries to geodetic control for precision and permanence
Area Deductions and Reserves
Sub concepts
- Road reserve calculation
- Easement deduction
- Public area subtraction
- Net saleable area determination
- Percentage-based reservations
Relationship to central
Accounting for roads, easements, and public reserves in area allocation
Concept connections
- Subdivision SurveyArea Partitioning MethodsUses partitioning techniques to compute dividing lines that create required lot areas
- Consolidation SurveyArea Partitioning MethodsCombines areas; summation is inverse of partitioning
- Area Partitioning MethodsControl and MonumentationAfter computing dividing line locations, new corners must be monumented and tied to control
- Subdivision SurveyTechnical DocumentationSubdivision plans and technical descriptions are generated after surveying and monumentation
- Consolidation SurveyTechnical DocumentationConsolidation plans and unified descriptions document the merged parcel
- Technical DocumentationLegal and Regulatory FrameworkPlans and descriptions must comply with RA 4374, PD 1529, and LRA requirements for approval
- Area Deductions and ReservesSubdivision SurveyRoads and easements are subtracted from total area before allocating lot areas
- Area Deductions and ReservesArea Partitioning MethodsNet saleable area (after deductions) is used as the basis for partition calculations
- Control and MonumentationLegal and Regulatory FrameworkMonumentation and WGS84/PRS92 tie-in standards are required by PD 1529 and LRA regulations
- Consolidation-Subdivision SurveySubdivision SurveyConsolidation-Subdivision combines consolidation first, then applies subdivision methods
- Consolidation-Subdivision SurveyConsolidation SurveyConsolidation-Subdivision combines consolidation first, then applies subdivision methods
- Legal and Regulatory FrameworkSubdivision SurveyRA 4374 governs subdivision requirements; LRA approval is mandatory
- Legal and Regulatory FrameworkConsolidation SurveyPD 1529 governs property registration and consolidation procedures
Diagrams
Subdivision and Consolidation Surveys - Concept Hierarchy
Comprehensive mind map showing all major concepts in subdivision and consolidation surveys, organized by operation type, technical methods, legal requirements, and documentation needs. This hierarchy illustrates how individual topics relate to the central theme of land parcel division and merger operations.
Subdivision Survey Process Flow
Step-by-step flowchart of the subdivision survey process, from defining target areas through verification, monumentation, legal approval, and final titling. Shows decision points for parcel shape and verification checks, with feedback loops for corrections.
Consolidation Survey Process Flow
Step-by-step flowchart of the consolidation survey process, from identifying adjoining parcels through verification, boundary removal, monumentation, and issuance of a single consolidated title. Shows verification checkpoints and approval loops.
Area Partitioning Methods for Rectangles and Irregular Parcels
Decision flowchart comparing area partitioning methods for rectangles versus irregular polygons. Shows the simple rectangle formula (x = A₁/w) versus the coordinate-based approach, with verification loops to ensure area balance.
States of Land Parcel During Subdivision and Consolidation Operations
State diagram showing the lifecycle of land parcels undergoing subdivision and consolidation operations. Illustrates state transitions from initial parcel through calculation, monumentation, approval, and final titling states. Includes feedback paths for resubmission.
Rectangle Area Partitioning Example - Worked Solution
Detailed worked example of subdividing a rectangular lot into two equal parts. Demonstrates the rectangle cut-off formula (x = A₁/w) with numerical values, showing all calculation steps and verification. This is a typical board-exam style problem.
Consolidation-Subdivision (Cons-Subd) Combined Operation
Combined consolidation-subdivision operation showing how multiple parcels are first merged (consolidation stage) then re-subdivided for development (subdivision stage). Illustrates area accounting with deductions for roads and reserves.
Area Allocation in Subdivision with Reserves
Pie chart showing typical area distribution in a subdivision development. Total parcel is 5000 m², with 10% (500 m²) reserved for roads and utilities, leaving 4500 m² (90%) for saleable lots distributed among individual parcels.