PLANET WATER - Jabatan Kerajaan Tempatan (JKT)jkt.kpkt.gov.my/jkt/resources/user_30/2016_OKU/01_Introduction_to... · PLANET WATER Water makes up ... Initial guideline produce by

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INTRODUCTION TO RAINWATER HARVESTING SYSTEM

Ir Hj Ismail Abd RahmanCivil Engineering & Structural Branch

Public Works Department

RAINWATER HARVESTING SYSTEM

PLANET WATER

Water makes up about 75% of the planet

Approximately 3% of which is fresh water

The remaining 97% is salt water

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.ppt (3)

Condensation

Precipitation

Evaporation

Surface Water

Infiltration

Transpiration

Consumption

Surface Runoff

Sea water intrusion

0

5000

10000

15000

20000

25000

30000

35000

40000

1995 2000 2005 2010 2015 2020 2025 2030 2035 2040 2045 2050

Year

ML

D

Demand SupplySource : KETTHA

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TRADITIONAL WAY OF RWH

Traditional practice. Main source of water supply Potable and non-potable uses Without treatment


KAMPUNG CHAM CAMBODIA

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RWH DEVELOPMENTDATE CHRONOLGY

April, 1998 Water Shortage Crisis in Klang Valley during drought season

7 May 1998Government announced interest on RWHS

23 Jun 1999Initial guideline produce by Housing and Local Government “Installing a Rainwater Collection and Utilisation System”

Oct 2004 Cabinet paper released to encourage government and federal buildings need to install RWHS but it is still not a mandatory

Aug 2006

Housing & Local Government Ministry produced a National Urbanization Policy -the need to improve water management efficiency by emphasizing the RWHS

RWH DEVELOPMENTDATE CHRONOLGY

Mac 27 2006Mandatory by government to large buildings like factory, schools or bungalows to install RWHS

2011 UBBL 1984 amended – RWHS requirement included

Mei 23 2011Majlis Mesyuarat Negara Bagi Kerajaan Tempatan endorsed decision to make mandatory installing RWHS

2012 - 2014 9 States Gazette Requirement RWHS

2012JKR Project Started Using RWHS/SPAH. Penarafan Hijau JKR Introduced

2013 - 2016 90 JKR Projects Implemented RWHS/SPAH

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RAINWATER HARVESTING SYSTEM - alternative approaches

1998 – KRISIS KEMARAU

2005

2002

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2007

2008

2010

2011

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2012

2013

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2014

2014

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NEGERI SUDAH PINDA UKSB SPAH –13/6/2014


23 MEI 2011

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SENARAI NEGERI DAN TARIKH WARTA PINDAAN UNDANG-UNDANG KECIL (UKBS 1984) YANG

MEWAJIBKAN PEMASANGAN SPAH

BIL. NEGERI TARIKH WARTA

1. Perak 2 Februari 2012

2. Selangor 22 Mac 2012

3. Johor 29 Mac 2012

4. Kelantan 5 Julai 2012

5. Melaka 5 Julai 2012

6. Perlis 17 Januari 2013

7. Pahang 10 Julai 2014


• Rainwater Harvesting System also known as Sistem Pengumpulan & Penggunaan Semula Air Hujan (SPAH)

• Rainwater harvesting is a method used for collecting and storing rainwater from rooftops or the land surface and used back for potable or non potable use

• In Malaysia rainwater is use for non potable used such as general washing, landscape irrigation and toilet flushing only

Definition

RWH Usage


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Collect

Store

Use

RAIN WATER HARVESTING CONCEPT

RINWATER HARVESTING SYSTEM

ECONOMICAL – LESS WATER BILLS

REDUCES DEPENDANT ON DOMESTIC WATER

REDUCES FLASH FLOOD

REDUCED REQUIREMENT FOR NEW SOURCE WORKS

REDUCES WATER SUPPLY INFRASTRYUCTURE COSTS

GREEN APPROACHES

ENIVIROMENTALLY FRIENDLY

WHY HARVEST RAINWATER

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MSMA 2ND EDITION – RWHS


TYPICAL OSD FACILITIES

Ref : Chap 6 MSMA 2ND EDITION

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RAINWATR HARVESTING SYSTEM

ABOVE GROUND STORAGE FACILITY

Above-ground Tanks Can Be Combined For RWH

Provide Detention Runoff From Roof

Storage Volume For OSD Must In Addition To The RWH Tank


BELOW GROUND STORAGE FACILITY

Below -ground tanks can be combined for RWH

Provide detention runoff from roof/land surface

Storage volume for OSD must in addition to the RWH Tank

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RWHS GUIDELINE

2011

19992001


RWHS GUIDELINE

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RWHS GUIDELINE (OTHER COUNTRY)

GARIS PANDUAN RWH DBKL

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DBKL REQUIREMENT – RWHS CHECKLIST

* Requirement 30% of the OSD volume

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RINWATER HARVESTING SYSTEM

AMENDMENT UBBL 1984 – 23 MEI 2011


PARLIMENT HANSARD 12 JUN 2014

* PAHANG IS ANOTHER STATE GAZETTED RWH REQUIREMENT

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WARTA KERAJAAN

WARTA NEGERI PERAK

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GBI ASSESEMENT CRITERIASCORE SUMMARY


JKR BUILDING SPECIFICATION 2014

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PENARAFAN HIJAU JKR (PH JKR)


CRITERIA POINT %

TL Planning & Sustainable Site Development 22 19

KT Energy Efficiency Management 43 37

PD Internal Quality Environment 26 23

SB Material & Source Management 8 7

PA Water Efficiency Management 10 9

IN Innovation 6 5

JUMLAH 115 100

PENARAFAN HIJAU JKR (PH JKR)

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• The Malaysian Carbon Reduction and Environmental Sustainability Tool (MyCREST)

• Tool that guides construction industry and stakeholders to design, construct and operate buildings that integrate low carbon and sustainable practices.

• A building that subscribes to MyCREST will be given certification based on points achieved.

• MyCREST taking into account the whole building life cycle


CONTOH KEPERLUAN SPAH PIHAK BERKUASA

TEMPATAN/JPS

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CONTOH KEPERLUAN SPAH PIHAK BERKUASA TEMPATAN/JPS


PROSEDUR PEMBINAAN

DAN PENYELIAAN TAPAK BINA

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Thank You..

Documents

PLANET WATER - Jabatan Kerajaan Tempatan (JKT)jkt.kpkt.gov.my/jkt/resources/user_30/2016_OKU/01_Introduction_to... · PLANET WATER Water makes up ... Initial guideline produce by