1. Chittagong City Outer Ring Road Project
Structural Part

2. Structure
CCORRP
IC Bridge
Sluice
Gate
Box
Culvert
Pipe
Culvert
Slope
Protection

3. Key Point of Structure

4. IC BRIDGE
 03 IC Bridge
 IC Bridge at Feeder Road 1
 IC Bridge at Toll Road Connection
 IC Bridge at Feeder Road 3
 Each Bridge Contain
 44 Nos. Pile
 01 Pier
 02 Abutment
 18 Nos. Girder
 2 Desk Slab

5. SLUICE GATE
 11 Nos. Sluice Gate.
 Total Length 1240 Meter approximate.
 1 nos. @ 6 Vent, 1 nos. @ 5 Vent, 1 nos. @ 4 Vent, 5 nos. @ 3 Vent, 3 nos. @ 2 Vent
 36 nos. Flap Gate.
 Component of Sluice Gate.
 Barrel
 Extended Part
 Apron
 Cut-off wall (MS Sheet Pile)
 Return Wall
 Floor Blocks.

6. BOX CULVERT
 15 nos. Box Culvert.
 Total 700 Meter approximate.
 3 nos. @ 2 Cell and 12 nos. @ 1 Cell
 Component of Pipe Culvert
 Barrel
 Headwall
 Apron
 Cut-off wall

7. PIPE CULVERT
 15 nos. Pipe Culvert.
 Total 300 Meter approximate.
 Pipe Inner Diameter 600 mm
 Pipe Outer Diameter 800 mm
 Component of Pipe Culvert
 Concrete Pipe.
 Base Slab
 Headwall
 Wing Wall
 Cut-off Wall

8. Sequence of Work

9. IC BRIDGE (Sequence of Work)
PIER
•Piling work at Pier Location (12 Nos.)
•Excavation Up to Pile Cap Bottom Level
•Pile Head Trimming (1st Stage)
•PIT and PDA Test
•Pile head Trimming (2nd Stage)
•Rebar Fabrication for Pile Cap
•Shuttering for Pile Cap
•Concreting of Pile Cap
•Rebar Fabrication for Pier Column
•Shuttering for Pier Column
•Concreting of Pier Column
•Shuttering of Pier Head
•Rebar Fabrication of Pier Head
•Concreting of Pier Head
ABUTMENT
•Removal of Surcharge
•Piling Work at Abutment (16 Nos.)
•Excavation Up to Pile Cap Bottom Level
•Pile Head Trimming (1st Stage)
•PIT and PDA Test
•Pile head Trimming (2nd Stage)
•Rebar Fabrication for Bank Seat
•Shuttering for Bank Seat
•Concreting of Bank Seat
•MSE Wall
OTHERS
•GIRDER
•Fixing of Bottom Shutter
•Rebar Fabrication with Duck Profile
•Side Shuttering
•Concreting
•Stressing
•Grouting
•Lifting and Shifting.
•Desk Slab
•Shuttering
•Rebar Fabrication
•Concreting
•Approach Slab
•Railing

10. SLUICE GATE (Sequence of Work)
01
•Side protection if any .
•Excavation Up to Required Level
•Sheet Piling for Cut-off Wall
•Levelling and dressing
•Plate test for Bearing capacity.
•Foundation Treatment If Required
•Lean Concrete
•Concreting of Bottom Slab
•Concreting of Web
•Concreting of Top Slab
02
•Concreting of Apron Slab
•Concreting of Extended Part
•Concreting of Wing Wall
•Concreting of Return Wall
•Concreting of Railing.
•Concreting of Trash Rake Frame
•CC Block pitching for Loose Apron
03
•Fabrication of Flip Gate
•Fabrication of Trash Rack
•Fixing of Flip Gate
•Fixing of Trash rack

11. PIPE CULVERT (Sequence of Work)
01
•Excavation Up to Required Level
•Levelling and dressing
•Plate test for Bearing capacity.
•Foundation Treatment If Required
•Lean Concrete
•Concreting of Cut-off Wall
02
•Concreting of Base Slab
•Placing of Concrete pipe
•Concreting of Head Wall
•Concreting of Wing Wall

12. Drawings

14. Sluice Gate Drawing

15. Sluice Gate Drawing

16. Sluice Gate Drawing

17. Sluice Gate Drawing

18. Sluice Gate Drawing

19. Sluice Gate Drawing

20. Sluice Gate Drawing

22. Plan

23. Plan

25. Pipe Culvert

26. Pipe Culvert

27. Box Culvert

29. IC Bridge

30. IC Bridge

32. Slope Protection

33. Slope Protection

34. Slope Protection

35. Structure
ID
Location
No. of
Vent
Barrel
Length
(m)
Extended Part
(m)
Apron
(m)
Loose Apron
(m)
Total
Length
(m)
Barrel
Width
(m)
Loose Apron
Width (m)
Barrel (R.L.) Apron (C/S) Apron (S/S)
C/S S/S C/S S/S C/S S/S C/S S/S Bottom Top Bottom Top Bottom Top
CR-01 14+800 6 60.700 1.80 1.80 9.00 24.65 8.30 10.30 116.550 13.650 35 42.55 -0.125 2.900 0.000 4.000 -1.600 3.000
CR-02 13+760 2 78.000 1.80 1.80 9.00 21.45 8.30 10.30 130.650 4.950 24.8 29.15 0.275 3.300 0.400 4.000 -0.800 3.000
CR-03 13+145 2 62.750 1.80 1.80 9.00 21.45 8.30 10.30 115.400 4.950 24.8 29.15 0.275 3.300 0.400 4.000 -0.800 3.000
CR-04 12+310 5 80.200 1.80 1.80 9.00 21.45 8.30 10.30 132.850 11.550 32.3 39.8 -0.425 2.600 -0.300 3.300 -1.500 3.000
CR-05 10+640 3 53.400 1.80 1.80 9.00 17.85 8.30 10.30 102.450 7.100 24.15 33.1 0.275 3.300 0.400 3.300 -0.600 3.500
CR-06 09+520 3 47.600 1.80 1.80 9.00 21.45 8.30 10.30 100.250 7.150 26.85 35.5 -0.425 2.600 -0.300 3.300 -1.500 3.000
CR-07 07+920 3 53.400 1.80 1.80 9.00 24.65 8.30 10.30 109.250 7.150 28.95 36.7 -0.225 2.800 -0.100 4.000 -1.700 3.000
CR-08 05+610 4 55.350 1.80 1.80 9.00 21.45 8.30 10.30 108.000 9.250 29.15 37.65 -0.425 2.600 -0.300 3.300 -1.500 3.000
CR-09 03+745 3 50.200 1.80 1.80 9.00 21.45 8.30 10.30 102.850 7.150 26.85 35.5 -0.425 2.600 -0.300 3.300 -1.500 3.000
CR-10 02+680 3 50.200 1.80 1.80 9.00 21.45 8.30 10.30 102.850 7.150 26.85 35.5 -0.425 2.600 -0.300 3.300 -1.500 3.000
CR-11 01+460 2 62.385 1.80 1.80 9.00 21.45 8.30 10.30 115.035 4.950 24.8 29.15 0.275 3.300 0.400 4.000 -0.800 3.000
Sluice gate