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Lagos takes new survey mapping, following the APPSN housing scheme

Last Updated: June 25, 2022

Mercy Oriabure

March 30, 2022

Lagos takes new survey mapping, following the APPSN housing scheme, changing the measurement parameters that affected the Certificate of Occupancy (C of O) issued 40 years ago.

Now the physical location of the property to a small degree has been adjusted and surveyors can thereby take accurate measurements through different technological equipment.

The chairman of the Lagos chapter, Rafiu Adaranijo, Private Practising Surveyors of Nigeria (APPSN), a subgroup of the Nigerian Institution of Surveyors, made it known during the yearly general meeting and Luncheon, themed: “Professionalism and Longevity: Addressing the Dimensions of Wellness and Personal Health,” advised residents to seek information on the new Lagos survey mapping.

He also went further saying: “They remapped the whole of Lagos, using the new technology to solve problems like location shift as a  result of a new owner wanting to do a change of title”.

“We realized that the state government has improved its mapping and changed the coordinates.

“That is why we created a new Continuously Operating Reference Station (CORS) in Lagos State and with that, there is no way we can use the old instruments.”

Rafiu said the procurement of instruments was a challenge. And so the association’s partnered with instrument vendors to acquire RTK Multiband GPS (Emlid). Enabling receiver for members to pay in installments.

“This instrument procurement scheme to date has about 45 subscribers, while over 120 surveyors are currently accessing the CORS service even from the Office of the State Surveyor-General,” he said.

Property owners were urged by Rafiu to seek clarification from surveyors on how to reassess every mapping activity done.

Speaking on the proposed Surveyors Estate, he said, over 520 practicing surveyors in Lagos deserved decent and affordable homes, adding that the project would take off before July.

Rafiu said the association was adopting measures to ward off quacks while appealing to Governor Babajide Sanwo-Olu to ensure surveyors are engaged in all projects.

Summoning the attention of all tiers of government, Rafiu said partnering with surveyors in projects will inhibit building collapse and construction failure across the nation.

Well, for the time being, the guest speaker and Associate Professor at the Lagos University Teaching Hospital (LUTH), Dr. Okezie Kanu, advised surveyors to shun isolation.

And that embracing interactions and engaging in regular exercises to improve mental health and wellness.

He also said mental health is the foundation of all wellness, hence, professionals should remain healthy physically and mentally for efficiency.

Earlier, the National President of the Nigerian Institution of Surveyors (NIS), Dr. Oluwamotemi Olukayode, represented by Mr. Adewebi Vincent, encouraged surveyors to be the best they could be health-wise and emotionally.

He also makes a closing remark saying, “Your greatest asset is yourself. That is why you must take care of your health,”

 

GIS VS GPS: What’s The Difference?

One might wonder what the difference GIS and GPS. At a glance, one might wonder what the difference is between both terms.  It is important to highlight the variance between both abbreviations as many take them to be interchangeable, probably due to the first and last letters being the same.

GIS is the acronym for Geographic Information Systems. It is a computer system for capturing, storing, checking, and displaying data related to positions on Earth’s surface. By relating seemingly unrelated data, GIS can help individuals and organizations better understand spatial patterns and relationships. It is a type of database containing geographic data, combined with software tools for managing, analyzing, and visualizing those data.

 

 GIS data can be used to create charts, maps, and 3D models of the earth’s surface. This includes hills, mountains, trees, buildings, streets, rivers etc. GIS provides visual representation of data, shows relationship between locations and can help to determine the best location for certain placements such as a new retail store in relation to proximity of other stores and availability of customers.

GPS on the other hand represents Global Positioning System. It is a positioning system based on a network of satellites that continuously transmit coded information. The information transmitted from the satellites can be interpreted by receivers to precisely identify locations on earth by measuring distances from the satellites. 

The system consists of a worldwide satellite control network and GPS receiver units that acquire the GPS signals and translate them into positioning and timing information. GPS provides highly accurate location information which can be used to improve safety and recover stolen property. It can also be used in mapping and survey to survey positions and locations on the earth. 

 One similarity is that GIS and GPS both use location-based services (LBS) applications that use location information to provide a service.

GIS can be used to create or generate a map that can then be interpreted to show patterns such as the movement of people from one place to another, the spread of a particular disease and so on.

 In summary, Global Positioning Systems  (GPS) are used to identify exact locations while  Geographic Information Systems (GIS) is a software program  used to record information that is collected from the GPS satellites on to maps.

1 Comment

  1. Maxwell

    Thanks, this is quite necessary, there’re alot of issues with survey result

    Reply

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