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8/2/2019 2012PRF S4G3 the Gains in River Rehabilitation, Estero de Paco Story by Justino Arboleda http://slidepdf.com/reader/full/2012prf-s4g3-the-gains-in-river-rehabilitation-estero-de-paco-story-by-justino 1/65 ESTERO DE PACO STORY 

2012PRF S4G3 the Gains in River Rehabilitation, Estero de Paco Story by Justino Arboleda

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ESTERO DE PACO STORY 

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Mannings Formula Computations of Paco Estero High Tide

Low Tide

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Low Tide

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The Rehabilitated Estero de Paco has bee dredged and garbage input has been stopped. Water can flow freely and it has been designed to contain a ten year return periodrainfall intensity 

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Humans need water to survive and are naturally drawn to bodies of water. Civilizationsand cities started along river banks until they were severely overused and polluted. It hasbeen shown in all cities that have rehabilitated their rivers that locations with access toclean rivers or lakes became prime land as men have the natural tendency to seek thecomfort of cool breeze and sight and sounds of f lowing water . These locations becamethe centers of economic activity and propelled the development of the cities.

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The Sumida River of Tokyo was

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The Sumida River of Tokyo wastransformed in 30 years from a blackstinking river to a prime business andcommercial center, and the river banksserving as parks where workers can relax

and relieve their tensions.

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Projected Increase in Real Estate Values Along Estero de Paco

As Experienced in Other Countries which Rehabilitated River Banks

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As Experienced in Other Countries which Rehabilitated River Banks

2012 2015 2020 2025 2030

Land Value per sq. meter 4,000 10,000 20,000 30,000 50,000

Building Value per sq. Meter 15,000 30,000 45,000 60,000 75,000

Building Ave. Height 1 floor 2 floors 3 floors 4 floors 5 floors

 Area Benefitted by the Improvements:

 Area Directly Served by the Estero: 10.575 Hectares (100,575, sq. meters)

Beneficiary Area (Indirect Benefits): 56.25 Hectares (560,250 sq. meters)

Total Area: 66.825 Hectares (668,250 sq. meters)

Catchment Area of Estero de Paco

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Catchment Area of Estero de Paco

Si l B fi C l l i

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Simple Benefit CalculationBenefit to the Land Owners Benefit to the Government

Total Area: 668,250 sq,. MetersLess Roadand Common Areas : 133,650Residential and Com Area: 534,600

Land Value Increase: Ave. Land Value in Affected Area: 7,000/sq.m

 Value After 20 years: 50,000/sq. meterGain in Value: 42,000/sq. meter Average Land Size: 50 sq. meters Ave. Benefit per Land Owner: P2,100,000

TOTAL BENEFITS FOR Land Owners :p22,453,200,000.00 after 20 years

Land Tax:

 Ave. Increase in Value in 20 Years

42,000/20= 2,100

2,100x534,600= 1,122,660,000.00

1,122,660,000.00* 2.5%= P28,000,000/year

28,000,000 x 20= 561,330,000.000

Real Estate Tax: Ave. Increase in value of Real Estate Structures

in 20 years= 75,000-15,000/20 =3,000

3,000 x 534,600= 1,603,800,000.00

1,603,800,000.00 *2.5%= 40,095,000.000

40,095,000.000 x20= P801,900,000.000

TOTAL BENEFIT FOR GOVERNMENT FOR 20

 YEARS: 1,363,230,000.000

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In the past, the most intense rainfall which recurs every year is 100mm-150mm which last for 1 hr already floods 1,770 households along Estero de Paco.

 A more intense rainfall with a 3 year return period of 200mm lasting for 6 hrs inundated around 4,500households around Estero de Paco

 JICA STUDY ON DRAINAGE IMPROVEMENT IN THE CORE AREA OF METRO MANILA MARCH 2005

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Existing Flood Levels of Estero de Paco

1 yearrainfallintensity 

NormalLevel

3 year

10 year

Clogged and Shallow Estero deP b h h ld

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Paco, about 1,770 households areflooded every year for up to 12 hrs.

 An additional 4,500 households are

flooded every 3 years for 6 to 12 hrs

 With Rehabilitation the Esterod i i t t i th t

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design is to contain the water within the estero banks up to 10 year –rainfall-intensity levelFlooding in the area will probably 

only occur to 1770 households oncein ten years

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Thr

The Estero has become too shallow with garbage and the channels are clogged. Just a smarain floods the area.

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The Rehabilitated Estero de Paco has bee dredged and garbage input has been stopped. Water can flow freely and it has been designed to contain a ten year return periodrainfall intensity 

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Each household looses an average of P3,500 for temporary transfer to other locations, repairsand clean-up, and income loss due to failure to report for work, every flood incidence.

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What Paco Residents do not have to Spend

Flood Occurence Affected Households Amount of Damage for 20 years

One -Year Rainfall Intensity 1,770 123,900,000.00

Three –Year Rainfall Intensity 4,500 94,500,000.00

Total 6,270 218,400,000.00

 JICA STUDY ON DRAINAGE IMPROVEMENT IN THE CORE AREA OF METRO MANILA MARCH 2005

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Paco Residents do not have to go to a faraway park or seaside to take aleisurely walk and relax

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The whole 2 km length of Estero de Paco has become a favorite place of people from the surroundiareas to walk and relax because its completely pedestrian and free from passing vehicles

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Recreational Value Of Estero de Paco

 A sample pre-survey questionnaire taken from7,000 households living within 200 meters from the2.7 km Estero de Paco

revealed that they saveabout P180 a month fromnot going to other places torelax

What Paco Residents do not Have to

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What Paco Residents do not Have to

Spend

Number of Households AverageSavings/month

Savings /year 20 Years Savings

6,270 180 13,543,200.00 270,864,000.00

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Maybe it is psychological due to more healthy environment. But there isa significant improvement in health of Residents along the Estero

Health Benefits of Estero de Paco

D l t

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Development

 A sample pre-survey questionnaire taken from7,000 households living within 200 meters from the2.7 km Estero de Paco, 85%

of the respondents revealedthat they spent about P2,659before Estero Clean-up andP1,840 for a savings of P819 amonth

What Paco Residents do not Have to

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What Paco Residents do not Have to

Spend

85% of the Number of Households

 AverageMedicalSavings/monthper household

Savings /year 20 Years Savings

5,078 819 49,913,463.60 998,269,272.00

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Reduced Crime Incidence: A sample of 7 barangays out of 16 in theEstero de Paco revealed a 40% reduction in crime incidence in the areabased on the barangay bl0tter.

Increased Employment Opportunities:  After an urban riverRehabilitation, increase in economic activities follow and employmentopportunities increase by at least 300% over a 20 year period.

Estero de Paco Residents’Perceptions on the Benefits of the Estero de Paco Rehabilitation

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Perceived Benefits of Residents of Paco

 Agree Disagree

Feel Less Sick 89% 11%Lower Medical Expenses 85% 15%

Community Pride 97% 3%

Happier Community 97% 3%

Stronger Unity 96% 4%

Feel Safer 89% 11%Motivation to Clean Up 97% 3%

Greater Peace of Mind 97% 3%

Getting More Exercise 100% 0%

Greater Life Satisfactopn 97% 3%

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Excluding the Costs of relocation and costs of other agencies, the total costsincurred by PRRC, KBPIP, DPWH is already P164,000,000. This does notinclude yet the costs of other agencies. Including the maintenance cost of about P2,000,000 a year and further development costs, the total costs may reach P300,000,000 for the duration of 20 years.

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The River is a very important component of a city’s growth. There is no

 way of accurately measuring the total value of bringing it back to life.There are only some which we can project for 20 years and quantify:

For the Residents For the Government

Land Value p22,453,200,000.00

Land Tax P561,330,000.000Real Property Tax (Buildings) P801,900,000.000

Savings from Less Flooding P218,400,000.00

Recreational Value P270,864,000.00

Savings from Decreased

Medical Expenses

P998,269,272.00

TOTAL

P 23,940,733,272.00 P1,363,230,000.00

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Total cost of P300,000,000 in 20 yearsTotal Benefits of P 25,304,000,000.00For Every 1 Peso invested a total benefit of 84 pesos in 20 years