Ngwenya Border Post

EMPLOYER
Ministry of Public Works and Transport

CONSULTANT
Becom/OOP JV

YEAR COMPLETED
2003

VALUE AT COMPLETION
R358M

LOCATION
Swaziland

PROJECT TYPE
Toll Roads and Freeways

DESCRIPTION
A feature of this project was the excavation and protection of rock cuttings over a 10km length of mountainous terrain. Blasting of rock adjacent to the existing road was required and great importance was attached to the method of controlling this blasting to ensure the safety of the public and a minimum of disruption to the continuity of traffic flow. Stability of two large cuttings was achieved by installation of rock nails designed to prevent slippage or uncontrolled rock falls.Construction Involved the following: The rehabilitation & upgrading of 19.15km of the Mbabane / Ngwenya Road, (MR3) from single to dual carriageway & 46.8km of service roads. 7 No grade separation interchanges with bridges, 3000 m culverts, 6000m2 Reinforced Earth,1 No road-over-pass, 8 No Footbridges over the dual carriageway, 28 000m3 Concrete, 4 No Retaining Walls with total length of 112km,1 500 000m3 of Earthworks, 4 No cattle creeps in Reinforced Concrete, 30 000m3 Premix, 275 000m3 Selected Sub-grade, 95 000m3 Crushed Stone Base, 97 000m3 Ducting, 8 000m3 Sub-surface Drains.



Maguga Access Road

EMPLOYER
Komati Basin Water Authority

CONSULTANT
ZMCK

YEAR COMPLETED
1998

VALUE AT COMPLETION
R50M

LOCATION
Swaziland

PROJECT TYPE
Road Construction and Rehabilitation

DESCRIPTION
Piggs Peak and Swaziland.Construction Involved the following: Northern Access Road of 16km to allow access from the town of Piggs Peak to the proposed Maguga Dam site. Southern Access Road of 13.5km to allow access from Mbabane / Piggs Peak road to the new dam wall. Cut / Fill, Double Seal 13.2mm/6.7mm,Layerworks SSG/Subbase, Crushed Stone Base, Stone Pitched Base, Boulders / Rock 260 000m 3, Crusher, Cut / Spoil, Stabilised Base, Masonry Wall, Reinforced Earth.



Magugu Dam

EMPLOYER
Komati Basin Water Authority (KOBWA)

CONSULTANT
MDJV (Ninham Shand, Keeve Steyn, Steffen Robertson & Kirsten & ZMCK)

YEAR COMPLETED
2001

VALUE AT COMPLETION
R420M

LOCATION
Swaziland

PROJECT TYPE
Dams

DESCRIPTION
Piggs Peak and Swaziland.Construction involved the following: Construction of the Maguga Dam, 6 million m3 of Earthworks, 2 tunnels (8m x 7m) & (8mx9m) & ±400m long, 225m long Road bridge over spillway,102m high 12 m ø Intake Tower, Rock Bolting & Shotcreting, Drilling & Grouting, Drill & Blast, Crushing, 120 000m3 concrete.



Mbabane bypass road

EMPLOYER
Ministry of Public Works and Transport

CONSULTANT
BCEOM French Consulting Engineers (France)

YEAR COMPLETED
2009

VALUE AT COMPLETION
R1.05 Billion

LOCATION
Swaziland

PROJECT TYPE
Bridges and Structures

DESCRIPTION
Construction work involved the following: Dual Carriageway Concrete Aspha