Projects – JMCI

Major Projects

JMCI used a combination of Crawler cranes and Manlifts/Scissors lifts to dismantle the roof structure and gantry cranes to safely lift them in sections to the ground. When on the ground the sections were separated into various forms of scrap material and segregated as instructed by the client.

JMCI was tasked with completely dismantling a steel-structured building and handing over the various elements in reusable condition this included decommissioning, removal, and hand over of all MEP-related items.

The work involved back propping/providing temporary support to the walls/slabs, marking out the outline of the MEP service that needed to pass through, providing lifting points, lifting plans, and lifting the sections using a combination of tower/mobile cranes.

The bridges were made up of a series of precast concrete box beam sections approximately 30m long x 1.5m wide x 1.5m high these beams were sitting on a series of columns and abutments at either end. The bridge beams were supported using a specially engineered propping system and separated by wire saw cutting.

The Job involved the demolition of 500m long steel framed bridge/flyover on the E-ring road near the medical commission. JMCIs scope was to provide a detailed method statement, lift plans and to fully dismantle/demolish the bridge. The steel structure of the bridge was to be handed over to Ashghal.

JMCI lifted off the cover slab of the chamber by providing chemically anchored lifting points and used a mobile crane to lift it. The ducts, pipes, elbows, and pumps were discounted and removed one by one, carefully packaged, and temporarily stored for transportation.

A detailed set of propping, cutting, and lifting plans was drawn up. To start with the propping, towers had to place in accordance with the drawings and Vcutting plans.

The steel structure buildings had to be taken apart piece by piece so they could be placed in storage and re-erected later. This was done with a combination of man lifts, cranes and dismantling equipment.

The work involved dismantling and handing over the façade panel to the client for reuse, cutting and lifting the steel façade support frame and demolition of the concrete slabs and walls.

The existing roundabout flyover was constructed from series of concrete box girders approximately 25m long x 1.2m wide x 1m deep each weighing 90 tonne.

A series of mock-ups were done to design a mixture that achieved a finished texture that best matched the existing finishes this was especially important for the exposed aggregate sidewalks.

The protection system was put in place first to ensure that existing ceiling and wall finishes remained undamaged during the work.

Once the existing carpet tiles were removed the first step was to reduce the height of the concrete floors by 20mm using scarifying machines which effectively plane the concrete down in layer of 3-4mm at time.

Major Projects

Project Videos

JMCI Demolition Experts

Bridge Demolition Phase 1

Bridge Demolition Phase 2

Demolition of 3 Large Sheds

Breaking Rocks with Explosives

JMCI Concrete Piece Removal

JMCI Bridge Cutting

JMCI Mobile Crane Lifting 100 Tonne Section from Bridge Part 1

JMCI Mobile Crane Lifting 100 Tonne Section from Bridge Part 2

JMCI Mobile Crane Lifting 100 Tonne Section from Bridge Part 3

JMCI ROADSIDE CUTTING RC SLAB

JMCI COMPRESSOR BREAKING RC FLOOR SLAB

JMCI ROADSIDE CUTTING RC SLAB

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