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The project comprises the construction of a new hotel with 129 rooms and 10 penthouse apartments including basement parking of approximately 1,240m², ground floor retail of approximately 2,800m² with the remaining ground floor and levels 1-7 hotel and apartments of approximately 21,500m². The total GCA is approximately 24,300m² with a further 1,800m² terraces/covered areas. The demolitions and bulk earthworks were done under a separate contract. The main areas of works are generally part existing; part new reinforced concrete framed structure, structural steel to sixth and seventh floors; plastered and painted brickwork externally and internally; aluminium windows and doors; combination of concrete, glass and steel sheeted roofs; skimmed plasterboard ceilings; floor finishes; electrical installation; plumbing installation; mechanical ventilation and external works.

The civil portion of this project comprised the construction of an n-butanol plant and an Acrylic Acid and Acrylates (AAA) plant along with a control building complex from where the whole process is controlled. The plants consist of a process plant where the chemicals are produced and tank farms where the chemicals are stored. The project also provided for a complete infrastructure including the construction of numerous substations, roads, firewater ring main, underground services and ancillary structures.

The civil works involved the use of almost 30 000m³ of concrete in a multitude of infrastructural elements such as a 120m long, 9m high process structure and 134m long, 40m wide tank farm raft foundation. These structures were adorned with mechanical and electrical equipment, thus virtually lost from sight in the final state.

The tank farms are large reinforced concrete raft foundations with bund walls designed specifically around environmental considerations for the containment of any spillage of chemicals into the surrounds.

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Widening of existing 1100m long quay wall by 12.5m and deepening Ben Schoeman Basin.

Piles are steel tubes, initially driven by vibratory piling hammer then rock socketed by pile-top mounted drill rig before being filled with reinforced concrete. Ultrasonic testing ensures pile integrity.

Precast beams and slabs tied together with an in situ deck superstructure. This was constructed as an alternative solution to the postulated scheme, offering a safer and better controlled final quality product.

Scour protection is via articulated block mats and retrospective seismic design necessitated back anchoring and underwater “pinning” of the old and new decks respectively. New fenders and bollards have been installed along with new crane rails and services

Stefanutti Stocks Mining Services (previously ECMP) designed and constructed the BKM paste disposal facility. The scope included the earthworks for the tailings dam, return water dam and thickener terrace as well as all the civil, mechanical and electrical works for the construction of paste thickener.

On completion the project was handed over to the Stefanutti Stocks Mining Services operations division for the ongoing management of the paste thickener and disposal facility.

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The scope of work on this project included:
• Raising three existing dam walls by 1.6m with lasted rock;
• pre-splitting the rock face up to 18m in height;
• constructing toe drains at the foot of the earth dams;
• removing the dimension rock (size of a bakkie) without blasting;
• blasting the rock to tight tolerances;
• achieving the required grading of the blasted rock;
• placing the screening sand on the existing dam walls;
• relocating existing flora and fauna for later use; and
• creating cougher dams to excavate below water level.

The project maintained a 100% safety record.

Stefanutti Stocks - multidiciplinary construction group