Chittagong City Outer Ring Road Project

Structural Part

Structure CCORRP

IC Bridge

Sluice Gate

Box Culvert

Pipe Culvert

Slope Protection

Key Point of Structure

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

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.

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

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

Sequence of Work

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

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

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

Drawings

DRAWING FOR SLUICE GATE

Sluice Gate Drawing

Sluice Gate Drawing

Sluice Gate Drawing

Sluice Gate Drawing

Sluice Gate Drawing

Sluice Gate Drawing

Sluice Gate Drawing

LOCATION PLAN FOR BOX & PIPE CULVERT

Plan

Plan

DRAWING FOR BOX & PIPE CULVERT

Pipe Culvert

Pipe Culvert

Box Culvert

DRAWING FOR IC BRIDGE

IC Bridge

IC Bridge

DRAWING FOR SLOPE PROTECTION

Slope Protection

Slope Protection

Slope Protection

Structure ID Location No. of

VentBarrel 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