2012PRF S4G3 Pasig-Marikina River Channel Improvement by Patrick Gatan

822019 2012PRF S4G3 Pasig-Marikina River Channel Improvement by Patrick Gatan

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Republic of the Philippines

Department of Public Works and Highways

Manila

Pasig-Marikina River Channel Improvement

Project (PMRCIP)

24 April 2012

PASIG RIVER FORUM



Marikina River water level rapidly rose 46 m in 6 hours at

Marikina Bridge on September 26 2009 due to

approximately 400 mm rainfall in 6 hoursAlso Laguna Lake water level rose from Elev 1290 m at

900 AM on September 26 2009 to Elev 1384 m in 24

hours

5000

4150

3500

3000

500

1200

Inflow

7000m3 s

Sierra Madre Mountains

Flood in Pasig-Marikina-Laguna Lake Basin by ldquoOndoyrdquo (Unit m3s)



1450m3s

Flood Flow Distribution due to ldquoOndoyrdquo

500

4150

3000

3500

650

1900 1100

800

500

Flood Discharge During ldquoOndoyrdquo Unit m3s

Taytay Taguig

Cainta

Pasig

1500

2400

4001200 500

Flow

Capacity



Overall Pasig-Marikina River Channel Improvement Project

Phase I - Detailed Design for the entire project (Delpan

Bridge to Marikina Bridge) (Completed)

Phase II - Channel Improvement Works for Pasig River

(Delpan Bridge to Napindan Channel)

(On-going Project)

Phase III - Channel Improvement Works for LowerMarikina River including the Remaining

Portions in Pasig River (Delpan Bridge to the

immediate vicinity of Mangahan Floodway)

(Proposed Project)

Phase IV - Channel Improvement Works for Upper

Marikina River including the Marikina Control

Gate Structure (MCGS) (Mangahan Floodway to

Marikina Bridge) (Future Project)

Phase II Project Phase III Project Phase IV Project

Subject for

Future FundingOn-going

Construction

Proposed for

Implementation



Phase II (Pasig River Channel Improvement)

bull Covers 131 km (both banks) of revetmentsparapet walls and excavation from Delpan

Bridge to the immediate vicinity of Napindan

Hydraulic Control Structure (NHCS)

bull Under Japan International Cooperation

Agency-Special Term for Economic

Partnership (JICA-STEP) Loan No PH-P239

bull Accomplishment 9512 as of 16 Apr 2012

bull Start amp Completion July 2009 amp June 2012

Napindan River

Marikina River



Phase III (Pasig River Channel Improvement)

Remaining Sections (Potential Areas) of PMRCIP

(Phase II) to be included in the PMRCIP (Phase III)

Napindan River

Marikina River

bull Covers 99 km (both banks) of revetments

parapet walls and excavation from Delpan

Bridge to the immediate vicinity of

Napindan Hydraulic Control Structure

(NHCS)


Agency-Special Term for EconomicPartnership (JICA-STEP) Loan No PH-P252

bull Start amp Completion Sept 2013 amp Aug 2016



Dredging WorksActivities (540 km = 612000 m3 )

DikeParapet Wall Construction (4 sites = 215 km in total)

Phase III (Lower Marikina River Channel Improvement)

Pasig River



TYPICAL CROSS SECTION OF UPPER MARIKINA RIVER IMPROVEMENT

Concrete Ditch

Existing Ground Level

Steel Sheet Pile

GeotextileSheet

Concrete Block for foot-protection

DredgingExcavation

Coping Concrete

Revetment

HWL

Existing Riverbed

Old C

A p p r o x

( F r e e b o a r d )

Design RiverbedLeve l

Grass SoddingEmbankment

Pavement New Center Line

L

Approx 140m

Approx 100m

Approx 100m

1 0 m

1 2 m

5m

5m 3m 3 5m 5m

Dike Channel Dike

- DredgingExcavation of Riverbed

- Earth Dike

- Concrete River Wall

- Boundary Bank

Rosario Weir

M8 Marikina Br

ario Br

M5 Manalo Br

M6 MRT Br

P A C K A G E

N o

6 1

K m

SEDS

C O N T R A C T

B

3

M7 Marcos Br

Phase IV (Upper Marikina River Channel Improvement

and Marikina Control Gate Structure)

bullTo be implemented at alater period subject to a

separate funding request

Upper Marikina River Channel Improvement Marikina Control Gate Structure (MCGS)



End of Presentation



Marikina River water level rapidly rose 46 m in 6 hours at

Marikina Bridge on September 26 2009 due to

approximately 400 mm rainfall in 6 hoursAlso Laguna Lake water level rose from Elev 1290 m at

900 AM on September 26 2009 to Elev 1384 m in 24

hours

5000

4150

3500

3000

500

1200

Inflow

7000m3 s

Sierra Madre Mountains

Flood in Pasig-Marikina-Laguna Lake Basin by ldquoOndoyrdquo (Unit m3s)



1450m3s


500

4150

3000

3500

650

1900 1100

800

500


Taytay Taguig

Cainta

Pasig

1500

2400

4001200 500

Flow

Capacity








(On-going Project)




(Proposed Project)






Subject for


Construction

Proposed for

Implementation












Napindan River

Marikina River






Napindan River

Marikina River





(NHCS)









Pasig River




Concrete Ditch


Steel Sheet Pile

GeotextileSheet


DredgingExcavation

Coping Concrete

Revetment

HWL

Existing Riverbed

Old C

A p p r o x





L

Approx 140m

Approx 100m

Approx 100m

1 0 m

1 2 m

5m

5m 3m 3 5m 5m

Dike Channel Dike


- Earth Dike


- Boundary Bank

Rosario Weir

M8 Marikina Br

ario Br

M5 Manalo Br

M6 MRT Br

P A C K A G E

N o

6 1

K m

SEDS

C O N T R A C T

B

3

M7 Marcos Br








End of Presentation



1450m3s


500

4150

3000

3500

650

1900 1100

800

500


Taytay Taguig

Cainta

Pasig

1500

2400

4001200 500

Flow

Capacity








(On-going Project)




(Proposed Project)






Subject for


Construction

Proposed for

Implementation












Napindan River

Marikina River






Napindan River

Marikina River





(NHCS)









Pasig River




Concrete Ditch


Steel Sheet Pile

GeotextileSheet


DredgingExcavation

Coping Concrete

Revetment

HWL

Existing Riverbed

Old C

A p p r o x





L

Approx 140m

Approx 100m

Approx 100m

1 0 m

1 2 m

5m

5m 3m 3 5m 5m

Dike Channel Dike


- Earth Dike


- Boundary Bank

Rosario Weir

M8 Marikina Br

ario Br

M5 Manalo Br

M6 MRT Br

P A C K A G E

N o

6 1

K m

SEDS

C O N T R A C T

B

3

M7 Marcos Br








End of Presentation








(On-going Project)




(Proposed Project)






Subject for


Construction

Proposed for

Implementation












Napindan River

Marikina River






Napindan River

Marikina River





(NHCS)









Pasig River




Concrete Ditch


Steel Sheet Pile

GeotextileSheet


DredgingExcavation

Coping Concrete

Revetment

HWL

Existing Riverbed

Old C

A p p r o x





L

Approx 140m

Approx 100m

Approx 100m

1 0 m

1 2 m

5m

5m 3m 3 5m 5m

Dike Channel Dike


- Earth Dike


- Boundary Bank

Rosario Weir

M8 Marikina Br

ario Br

M5 Manalo Br

M6 MRT Br

P A C K A G E

N o

6 1

K m

SEDS

C O N T R A C T

B

3

M7 Marcos Br








End of Presentation












Napindan River

Marikina River






Napindan River

Marikina River





(NHCS)









Pasig River




Concrete Ditch


Steel Sheet Pile

GeotextileSheet


DredgingExcavation

Coping Concrete

Revetment

HWL

Existing Riverbed

Old C

A p p r o x





L

Approx 140m

Approx 100m

Approx 100m

1 0 m

1 2 m

5m

5m 3m 3 5m 5m

Dike Channel Dike


- Earth Dike


- Boundary Bank

Rosario Weir

M8 Marikina Br

ario Br

M5 Manalo Br

M6 MRT Br

P A C K A G E

N o

6 1

K m

SEDS

C O N T R A C T

B

3

M7 Marcos Br








End of Presentation






Napindan River

Marikina River





(NHCS)









Pasig River




Concrete Ditch


Steel Sheet Pile

GeotextileSheet


DredgingExcavation

Coping Concrete

Revetment

HWL

Existing Riverbed

Old C

A p p r o x





L

Approx 140m

Approx 100m

Approx 100m

1 0 m

1 2 m

5m

5m 3m 3 5m 5m

Dike Channel Dike


- Earth Dike


- Boundary Bank

Rosario Weir

M8 Marikina Br

ario Br

M5 Manalo Br

M6 MRT Br

P A C K A G E

N o

6 1

K m

SEDS

C O N T R A C T

B

3

M7 Marcos Br








End of Presentation






Pasig River




Concrete Ditch


Steel Sheet Pile

GeotextileSheet


DredgingExcavation

Coping Concrete

Revetment

HWL

Existing Riverbed

Old C

A p p r o x





L

Approx 140m

Approx 100m

Approx 100m

1 0 m

1 2 m

5m

5m 3m 3 5m 5m

Dike Channel Dike


- Earth Dike


- Boundary Bank

Rosario Weir

M8 Marikina Br

ario Br

M5 Manalo Br

M6 MRT Br

P A C K A G E

N o

6 1

K m

SEDS

C O N T R A C T

B

3

M7 Marcos Br








End of Presentation




Concrete Ditch


Steel Sheet Pile

GeotextileSheet


DredgingExcavation

Coping Concrete

Revetment

HWL

Existing Riverbed

Old C

A p p r o x





L

Approx 140m

Approx 100m

Approx 100m

1 0 m

1 2 m

5m

5m 3m 3 5m 5m

Dike Channel Dike


- Earth Dike


- Boundary Bank

Rosario Weir

M8 Marikina Br

ario Br

M5 Manalo Br

M6 MRT Br

P A C K A G E

N o

6 1

K m

SEDS

C O N T R A C T

B

3

M7 Marcos Br








End of Presentation



End of Presentation

Documents

2012PRF S4G3 Pasig-Marikina River Channel Improvement by Patrick Gatan