To carry out the remaining works (RE-TENDER) Upgrading the Isa Town Gate Junction roundabout to a Grade-separated junction with an Overpass / Underpass structure and signalized junction at grade with all utility arrangements. Relocating the existing landmark structure.
Works include - Underpass structure, Access roads, Street Lighting, Drainage System, Major diversion schemes and 66/220kV power transmission.
a) Road Works
Excavation ; Filling with Type A , B; Road Bases ; Infiltration Basin , Ditches
Block Paving. Footpath, Corrugated Crash Barrier ; High Mast Foundation,
Civil Works for Electric Works ; Drainage Works - Laying of Pipe Line,
MH constructions, Installation of Gullies etc
b) Viaduct -
Concrete works for Pile caps, Columns, Stich Concrete
Balance Casting of Precast Segment 377 Nos out of total 733 Nos
Balance erection of Precast Segment 573 nos out of 733 nos-
Partial Stressing and Grouting of Erected Spans Tendons
Installation of Bridge Furniture (Bearings, Expansion Joints, Bridge Parapets),
Waterproofing
c) Underpass
Excavation works ; Concrete works of Pavement Slab, Retaining Walls, In Situ
Deck Slab Partial Stressing of Erected I Beam ; Pumping Station for Storm &
Sewage water including Design ; Installation of Ground Anchors of Capacity
600 KN, 720 KN & 1200 KN Stressing to Ground Anchors ; Testing of Ground
Anchors ; Waterproofing, Finishing Items
d) Isa Town Gate
Power supply to Panel Board including its capital contribution to relevant
authorities & ceremonial plaque
e) Other Works
Temp works associated to works like Traffic Diversion, Soil Nailing etc.