GELE Cadastral Surveys & Land Laws — Subdivision and Consolidation SurveysConcept Map
A visual concept map is the fastest way to remember how Subdivision and Consolidation Surveys connects to the rest of GELE Cadastral Surveys & Land Laws. This page shows the key concepts, sub-topics, and relationships you need to anchor in memory before sitting for the GELE 2026.
Exam context
On the GELE 2026, the Cadastral Surveys & Land Laws subtest carries a "Core" weight in Professional Regulation Commission (PRC) — Board of Geodetic Engineering's pattern. Subdivision and Consolidation Surveys lands at position 2nd out of 5 in the standard review order. Target score is 70% weighted average, no sub-test below 50%, and roughly a meaningful share of items come from Cadastral Surveys & Land Laws on a typical GELE paper.
Subdivision and Consolidation Surveys - Concept Map
Central Concept
Land Parcel Division and Merger Operations
Related Concepts
Concept
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
Concept
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
Concept
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
Concept
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
Concept
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
Concept
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
Concept
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
Concept
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
To
Area Partitioning Methods
From
Subdivision Survey
Strength
strong
Relationship
Uses partitioning techniques to compute dividing lines that create required lot areas
To
Area Partitioning Methods
From
Consolidation Survey
Strength
moderate
Relationship
Combines areas; summation is inverse of partitioning
To
Control and Monumentation
From
Area Partitioning Methods
Strength
strong
Relationship
After computing dividing line locations, new corners must be monumented and tied to control
To
Technical Documentation
From
Subdivision Survey
Strength
strong
Relationship
Subdivision plans and technical descriptions are generated after surveying and monumentation
To
Technical Documentation
From
Consolidation Survey
Strength
strong
Relationship
Consolidation plans and unified descriptions document the merged parcel
To
Legal and Regulatory Framework
From
Technical Documentation
Strength
strong
Relationship
Plans and descriptions must comply with RA 4374, PD 1529, and LRA requirements for approval
To
Subdivision Survey
From
Area Deductions and Reserves
Strength
strong
Relationship
Roads and easements are subtracted from total area before allocating lot areas
To
Area Partitioning Methods
From
Area Deductions and Reserves
Strength
strong
Relationship
Net saleable area (after deductions) is used as the basis for partition calculations
To
Legal and Regulatory Framework
From
Control and Monumentation
Strength
moderate
Relationship
Monumentation and WGS84/PRS92 tie-in standards are required by PD 1529 and LRA regulations
To
Subdivision Survey
From
Consolidation-Subdivision Survey
Strength
strong
Relationship
Consolidation-Subdivision combines consolidation first, then applies subdivision methods
To
Consolidation Survey
From
Consolidation-Subdivision Survey
Strength
strong
Relationship
Consolidation-Subdivision combines consolidation first, then applies subdivision methods
To
Subdivision Survey
From
Legal and Regulatory Framework
Strength
strong
Relationship
RA 4374 governs subdivision requirements; LRA approval is mandatory
To
Consolidation Survey
From
Legal and Regulatory Framework
Strength
strong
Relationship
PD 1529 governs property registration and consolidation procedures
Previous chapter
Cadastral and Isolated Surveys
Next chapter
Property/Boundary Surveys and Lot Computation
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