Myzox Monitoring Prism for MRT, Railway and Infrastructure Monitoring

 

Railway, MRT and major infrastructure projects can require repeated survey observations of structures and surrounding areas throughout different stages of construction.

 

The Myzox TK-10S / TK-10 Monitoring Prism L-Bar Type provides a compact fixed reflective target for total station measurements and is suitable for railway, MRT, structural deformation and infrastructure monitoring applications in Malaysia.

 

Once installed at selected monitoring points, the prism can remain in position for repeated observations throughout the monitoring period.

 

MTM Precision Sdn. Bhd. is an authorized distributor of Myzox in Malaysia.

 

Why Is Monitoring Important for Railway and MRT Projects?

 

Major transportation projects may involve:

 

Deep excavation

 

Underground stations

 

Tunnelling

 

Viaduct construction

 

Bridge construction

 

Piling

 

Retaining structures

 

Utility relocation

 

Construction beside existing buildings

 

Work near existing roads and rail infrastructure

 

Depending on project requirements, survey monitoring may be used to observe positional changes at selected points before, during and after construction.

 

Where Can Monitoring Prisms Be Used?

 

Fixed monitoring prisms may be suitable for selected points on:

 

Existing buildings

 

Retaining walls

 

Bridge structures

 

Viaduct structures

 

Station structures

 

Excavation support systems

 

Infrastructure structures

 

Adjacent structures

 

Other predetermined monitoring locations

 

The actual monitoring locations should be determined by the responsible surveying and engineering professionals.

 

How Does Prism-Based Monitoring Work?

 

A Myzox monitoring prism is securely installed at a selected point.

 

A total station measures the target and establishes its initial position.

 

Future measurements are then compared with the baseline.

 

A simplified process is:

 

Install Monitoring Prism → Establish Control Network → Baseline Survey → Construction Activity → Repeat Observations → Compare Coordinates

 

This allows the same physical points to be monitored throughout different project stages.

 

Monitoring Structures Near MRT Excavation

 

Underground station and infrastructure construction can involve significant excavation.

 

Existing structures around the construction zone may therefore form part of the monitoring program.

 

Prisms can be installed at selected points before major excavation begins.

 

A possible observation sequence is:

 

Pre-Construction Baseline

↓

Initial Excavation

↓

Intermediate Excavation

↓

Final Excavation Level

↓

Structural Construction

↓

Post-Construction Monitoring

 

Using fixed prisms helps maintain identifiable observation targets throughout these stages.

 

Monitoring Existing Buildings Near Railway Works

 

Railway construction can occur in developed urban areas.

 

Depending on project requirements, existing buildings near the works may require repeated survey observations.

 

Fixed prisms can provide monitoring points on selected building locations.

 

Surveyors can then compare measurements collected at different dates to evaluate changes in measured position.

 

Viaduct and Bridge Monitoring

 

Elevated railway systems often include:

 

Viaducts

 

Piers

 

Bridge sections

 

Abutments

 

Supporting structures

 

Monitoring prisms can be installed at selected locations to provide repeatable total station targets.

 

Multiple prisms may be used where monitoring is required across different sections of the structure.

 

Myzox TK-10S / TK-10 Specifications

 

SpecificationDetailsModelsTK-10S / TK-10TypeMonitoring Prism L-Bar TypePrism Diameter1 inch / 25 mmPrism Constant-25 mmPrism Height60 mmBeam Deviation5″DimensionsH90 × W86.5 × D30 mmWeightApprox. 207 gAdjustmentX/Y direction

 

The compact L-bar configuration makes the prism suitable for fixed monitoring locations where a conventional prism pole arrangement is impractical.

 

Why Use Multiple Monitoring Prisms?

 

Major infrastructure projects can cover large areas.

 

A single monitoring target may not provide sufficient coverage.

 

A network may therefore include targets such as:

 

MP01 → MP02 → MP03 → MP04 → MP05 → MP06

 

Each prism represents a specific physical location.

 

Repeated observations can help establish whether measured positional changes differ across the monitored structure.

 

Monitoring Retaining Structures

 

Underground railway and MRT construction frequently involves retaining systems.

 

Where total station monitoring is specified, fixed prisms can provide targets along selected sections of these structures.

 

Survey teams can then compare measurements between different excavation stages.

 

Horizontal Displacement Monitoring

 

Total station observations can be processed into coordinate information.

 

By comparing horizontal coordinates between monitoring periods, surveyors can determine measured changes in target position.

 

For example:

 

Baseline Easting/Northing → Current Easting/Northing → Difference

 

The responsible project professionals can then evaluate the results according to the monitoring specification.

 

Vertical Movement Monitoring

 

Depending on the survey methodology, total station observations may also provide elevation information.

 

Where high-precision settlement measurements are required, dedicated levelling methods or other monitoring instrumentation may also form part of the project.

 

Monitoring prisms are therefore one component of a broader monitoring system.

 

Prism Monitoring and Tunnelling Projects

 

Tunnel construction may require monitoring of structures located above or near the tunnel alignment.

 

Fixed monitoring prisms can support repeated observations of selected surface structures where total station monitoring is part of the project methodology.

 

Applications may include:

 

Buildings

 

Retaining walls

 

Infrastructure

 

Bridge structures

 

Other surface monitoring locations

 

The target network should be designed according to project requirements and available line of sight.

 

Why X/Y Adjustment Is Useful

 

Infrastructure monitoring sites can have complex geometry.

 

The monitoring surface may not face directly toward the total station.

 

The Myzox TK-10S / TK-10 provides X/Y directional adjustment, helping surveyors orient the prism toward the intended observation position.

 

This provides greater flexibility when selecting practical mounting locations.

 

Importance of Prism Constant

 

The Myzox TK-10S / TK-10 has a specified:

 

Prism Constant: -25 mm

 

The correct prism setting should be used on the total station according to the instrument manufacturer's instructions.

 

For long-term monitoring, maintaining consistent target and instrument configurations across observation campaigns is important.

 

Monitoring Prism Is Only One Part of the System

 

Reliable infrastructure monitoring requires more than installing prisms.

 

A complete survey monitoring arrangement may include:

 

Stable reference points

 

Total station

 

Myzox monitoring prisms

 

Survey benchmarks

 

Baseline observations

 

Repeat measurements

 

Data processing

 

Quality control

 

Monitoring reports

 

The stability of the reference network is particularly important because target measurements are compared relative to survey control.

 

Protecting Monitoring Points on Infrastructure Sites

 

Large construction sites can change quickly.

 

Monitoring targets may be affected by:

 

Temporary structures

 

Construction machinery

 

Scaffolding

 

Hoarding

 

New structures

 

Accidental impact

 

Restricted access

 

Obstructed line of sight

 

Monitoring teams should regularly inspect the targets and maintain clear documentation of each monitoring point.

 

Manual and Automated Total Station Monitoring

 

Fixed prisms can support both manual and appropriately configured automated monitoring workflows.

 

Manual Survey Monitoring

 

Surveyors observe the prisms at scheduled intervals.

 

Automated Monitoring

 

Specialized monitoring total stations and software may repeatedly observe predetermined prism targets.

 

The required system depends on project scale, observation frequency and monitoring specifications.

 

Applications Beyond MRT and Railway

 

The same Myzox monitoring prism can support:

 

Building movement monitoring

 

High-rise construction monitoring

 

Deep excavation monitoring

 

Retaining wall monitoring

 

Bridge monitoring

 

Slope monitoring

 

Structural deformation monitoring

 

Highway and infrastructure monitoring

 

This makes the TK-10S / TK-10 relevant to a wide range of engineering survey applications.

 

Total Station Calibration for Infrastructure Monitoring

 

Repeated deformation measurements depend on consistent survey equipment performance.

 

MTM Precision provides total station calibration and surveying instrument service in Malaysia for professional surveying and construction applications.

 

Surveyors should also follow appropriate instrument checks, control verification and observation procedures throughout the monitoring project.

 

Myzox Monitoring Prism Supplier in Malaysia

 

MTM Precision supplies Myzox monitoring prisms, total station accessories and professional surveying equipment in Malaysia.

 

We support land surveyors, engineering surveyors, contractors, consultants and infrastructure companies involved in MRT, railway, bridge, tunnelling and structural monitoring projects.

 

Contact MTM Precision

 

MTM Precision Sdn. Bhd.

Myzox Authorized Distributor in Malaysia

 

Showroom & Service Centre

No. 29-1 & 29-2, Jalan Bandar 18,

Pusat Bandar Puchong,

47160 Puchong, Selangor, Malaysia.

 

Website: www.mtmpre.com.my

Email: mtmpre@yahoo.com

WhatsApp: +6016-6607346

 

Contact MTM Precision for Myzox TK-10S / TK-10 Monitoring Prism price, availability and MRT, railway or infrastructure monitoring enquiries in Malaysia.