Section 1 is the upgrade of the existing Abdaly Highway from a 3-lane dual carriageway into a 5-lane dual carriageway with a total length of 9.8km. This section starts at the Jahra Road/Abdaly Highway Interchange #36 with the 6th Ring Road and ends at a point north of the proposed interchange #1. Construction of this highway section entails 365,450 cu.m. of excavation, 1,065,500 cu.m. of embankment and 789,340 sq.m. of new asphalt paving.

Section 2 is a new 3-lane dual carriageway with a total length of 11.4km extending east-west between interchange #1 and an existing elevated roundabout interchange along Subiya Motorway.  Construction of this section involves 4,979,350 cu.m. of excavation, 1,329,300 cu.m. of embankment construction and 292,250 sq.m. of new asphalt paving. Excavated material from this section is to be used for embankment requirements in Section 1.

The Main Works under this Contract RA/245 (approximately)

• At-grade Road
  • Upgrade of about 9.80km portion of existing Abdaly Road into 5-lane dual carriageway road with associated auxiliary lanes, C-D roads and service roads.
  • Construction of about 11.40 km of new 3-lane dual carriageway road with associated auxiliary lanes, C-D roads and service roads.
• Interchanges and Elevated Bridges
  • Construction of one (1) 4-level Interchange with about 7600 LM of deck-on-pier structures.
  • Modification of approach to one (1) elevated roundabout interchange.
  • Box culvert underpass structure at Km3+200 along Abdaly Road.
• Reinforced concrete retaining walls.
• Mechanically Stabilized Earth (MSE) walls at bridge and underpass approaches.
• Stormwater drainage for roadways including concrete-lined ditches, curb inlets, drop inlets and connecting pipes.
• Reinforced concrete box culverts for cross drainage.
• Pedestrian Bridge.
• Utilities

Along these roads, existing utilities needs to be removed, reinstalled, protected or relocated. These are:

• Street lighting
• water lines
• Construction of utility box culverts
• Civil works for telephone (PTT) services
• High tension cables over heads
• High tension cables under ground
• Medium tension cables over heads
• Medium tension cables under ground
• Low tension cables.

There is a need to relocate these lines to meet the required clearance:

• Road signs and pavement markings, ITS devices and associated works
• 2 lay-bys
• Maintenance and protection of traffic during construction (temporary detours)
• Environmental protection measures during construction
• Demolition of existing roads
• Other works related to local roads and junctions

• Bulk Earth works excavation (Roads and Structures) – 5,900,000m3
• Backfilling – 2,400,000m3
• Asphalt – 861,675 tons, Prime Coat 1714 tons, Tack Coat -2975 tons.
• Aggregate Base Course – 343,000m3
• Reinforced Concrete – 247,100m3
• Steel Reinforcement – 44,000 tons
• RCC piles (DIA 1200mm & 1500mm)- 34,343mts (1386 Nos. @ 25m depth)
• Detour Works – 194,000 m2
• Metallic Bridge Bearings – 359 Nos.
• Bridge Expansion joints – 525 m
• Water proofing works – 145,000 m2
• MSERW – 27,000m2
• Modular Block Soil Wall System – 61,000m2
• Chain link Highway fence – 46,000m
• Metallic Guard rails -25,400 m
• Water Pipelines Ductile Iron Pipes and fittings (Dia 100mm to 1200mm) – 17,250m
• TSE Pipelines Ductile Iron Pipes and fittings (Dia 1200mm) – 18,700m
• Storm Water HDPE Pipes and Fittings (Dia 300mm to 1200mm) – 3,300m
• Speed Cameras – 4 Nos.
• Surveillance Camera (CCTV) – 9 Nos.
• Variable Message System (VMS) – 4 Nos.
• Street Lighting Cables (varies) – 270,000m
• Street lighting UPVC ducts (Dia 100mm & 150mm) -193,000m
• Street lighting poles 8m to 30m height – 1,032 Nos.
• Relocation of 33KV overhead lines to Underground 33KV cables 3,750m double circuit.