(226) 228-4831 objective@objectiveeng.ca
Stability Test

Stability Test

Custom Stability Testing

This unique piece of equipment is not covered by any Provincial or Federal Regulation or CSA Standard.  A unique stability test procedure was required to be developed as well as a dielectric test criterion to protect the workers working on live power lines.

 

About this Project

A custom stability testing procedure was developed for a truck mounted insulated aerial device that is a mobile elevating work elevator (MEWP) with an articulating-boom mobile crane.  The unit has rail gear mounted for use on road and rail and has catenary maintenance service body.

The mobile elevating work platform (MEWP) and mobile articulating boom crane were tested separately and then together to determine the capacity of the unit.  Since the MEWP is mounted to a commercial truck chassis and required dielectric resistances, the unit was tested as per CSA C225-10 with the unit structurally meeting the intent of CSA B354.6-17.

There were various requirements for the platform position and work methods including allowing the unit to transit with the platform partially raised with a worker for the inspection of live power lines.  The unit required testing for use with and without the outriggers extended for use with the platform only or the crane only.  The outriggers must be fully deployed if the MEWP and crane are used in unison.

The test loads were suspended from the boom tip of the crane and from the bottom of the extended platform edge.  The unit was determined to be stable for 360° working radius.

During this stability test, the crane was derated for the various platform and elevation configurations as specified by the client.  A derated capacity and operation chart was produced.

More Projects

Elevator Retrofit

Elevator Retrofit

Structural building modifications of a 150-year old timber building for the installation of a new man-lift.

read more
Rooftop Crane

Rooftop Crane

Design, fabrication drawings and site review of a temporary steel frame and shoring for a rooftop mounted mobile crane for use during renovation construction of a multistory building.

read more

Contact Us

 Call 226-228-4831

Lanyard Testing

Lanyard Testing

Lanyard Testing Project

Collaborative project to study and evaluate the effect of wear, environmental degradation and work environment on fall protection lanyard strength.

  • Client: Simon Fraser University & British Columbia Institute of Technology
  • Project Type: Custom Testing Design

About this Project

The collaboraties wanted to determine the effects of everyday construction workplace use and damage on the strength of personal fall protection lanyards.

Lanyards were purposely damaged by the researchers to simulate weld damage, abrasion and cuts.

The lanyards were drop tested from a drop structure with a test mass of 45 to 175 kg. The drop test allowed 6 to 12 foot free fall distances to test the personal energy absorber and lanyard.
Engineering Involvement:

  • Design of Test Structure, Rigging and Setup
  • Finalization of Drop Test Procedure
  • Supervision of the Initial Drop Tests

A crew from the Discovery Channel’s Daily Planet was on site for a day to film the test set up and drop test. Dr. Carolyn Sparrey was interviewed sharing the excitement and knowledge we gain from testing and the collaboration with BCIT.  The segment was aired in January 2015. Videos of the various drop test can be viewed on our YouTube Channel.

This research was also featured in the Journal of Commerce.

More Projects

Elevator Retrofit

Elevator Retrofit

Structural building modifications of a 150-year old timber building for the installation of a new man-lift.

read more
Rooftop Crane

Rooftop Crane

Design, fabrication drawings and site review of a temporary steel frame and shoring for a rooftop mounted mobile crane for use during renovation construction of a multistory building.

read more

Contact Us

 Call 226-228-4831