paper based on Rainwater harvesting scheme, that can be implemented for a university based in jammu

1. byby
11
Pervez Alam,Pervez Alam, 22
Adil Masood,Adil Masood, 33
MalikRizwan ul HaqMalikRizwan ul Haq
11
Assistant ProfessorDepartment of Civil, COET, BGSBUniversity, Rajouri, J& K.Assistant ProfessorDepartment of Civil, COET, BGSBUniversity, Rajouri, J& K.
22
M-Tech Environmental Engg, Jamia Millia Islamia.M-Tech Environmental Engg, Jamia Millia Islamia.
33
B.Tech. Civil Engineering, Final Year, BGSBUniversity, Rajouri, J& KB.Tech. Civil Engineering, Final Year, BGSBUniversity, Rajouri, J& K

2. • About 30 years back areas around are homes and offices used to be unpavedAbout 30 years back areas around are homes and offices used to be unpaved
and rain falling on these areas would percolate in the soil and remain theirand rain falling on these areas would percolate in the soil and remain their
forbeing drawn.forbeing drawn.
• With proliferation of flat complexes,areas have become paved andWith proliferation of flat complexes,areas have become paved and
percolation has stopped completely .percolation has stopped completely .
• Rainwater harvesting is therefore a sincere attempt to store and utilize rainRainwater harvesting is therefore a sincere attempt to store and utilize rain
waterfordomestic and agriculture purpose.waterfordomestic and agriculture purpose.

3. • Rajouri became a district on 1st
Jan 1968.
• The district covers an area of 2630 km2
, with majority of
area being undulated because of high peaks and
dissected valleys.
• This region receives average annual rainfall of 1150 mm
through southwest monsoon during July-September.
• Rajouri has a literacy rate of 58% and majority of people
represent rural population.
• only Rajal canal is the source of surface water irrigation
which supplies waterto 660 hectares of land.
• Rajouri being hilly and mountainous has major supply of
waterfromsprings and othernatural watersources.

4. • Dry season poses a serious challenge to the farmers who are bound toDry season poses a serious challenge to the farmers who are bound to
cultivate theirland via irrigation and thereby restricting the productioncultivate theirland via irrigation and thereby restricting the production
• Population of Rajouri over the few years has risen sharply, According to aPopulation of Rajouri over the few years has risen sharply, According to a
census carried out in 2011 there has been a 32.93% growth in populationcensus carried out in 2011 there has been a 32.93% growth in population
since 2001.since 2001.
• The problem of farm mechanization is prevailing in the region chiefly assistedThe problem of farm mechanization is prevailing in the region chiefly assisted
by lack of proper water management schemes available, small farms,by lack of proper water management schemes available, small farms,
undulating topography lackof skilled manpower, poorrepairfacilities.undulating topography lackof skilled manpower, poorrepairfacilities.
• Boring is tedious taskbecause of rocky strataBoring is tedious taskbecause of rocky strata..

5. • Rainwaterhas less chances of contamination ,as compared to groundwaterRainwaterhas less chances of contamination ,as compared to groundwater
• Microeconomic benefits fromthis systemMicroeconomic benefits fromthis system
• Low cost will make the application accessible to the poorfarmers in theLow cost will make the application accessible to the poorfarmers in the
area.area.
• The rainwater’s environmental advantage and purity overotherwaterThe rainwater’s environmental advantage and purity overotherwater
alternatives makes it the sustainable optionalternatives makes it the sustainable option..
• Communal benefitsCommunal benefits

6. • Drying up of natural watersourcesDrying up of natural watersources
• Depletion of ground watertableDepletion of ground watertable
• Existing watersupply schemes are defunctional and new schemes are inExisting watersupply schemes are defunctional and new schemes are in
planning stage.planning stage.
• Govt agencies supply watervia watertanks but the supply is restrictedGovt agencies supply watervia watertanks but the supply is restricted
to roadsides only rural areas with poorconnectivity remain deprived ofto roadsides only rural areas with poorconnectivity remain deprived of
these benefitsthese benefits..

7. • While designing the rain water system for the district Rajouri, properWhile designing the rain water system for the district Rajouri, proper
methodology is to be employed.methodology is to be employed.
• methodology is fabricated in three phases to ensure an economical RWHS.methodology is fabricated in three phases to ensure an economical RWHS.
It includes :It includes :
 Collection of DataCollection of Data
 Data AnalysisData Analysis
 Data PresentationData Presentation

9. • By Examining all the alternatives available forBy Examining all the alternatives available for
rain water harvesting system depending uponrain water harvesting system depending upon
geographical features, Topographicalgeographical features, Topographical
conditions, and rainfall pattern and socioconditions, and rainfall pattern and socio
economic aspects, Rooftop water harvestingeconomic aspects, Rooftop water harvesting
systemwas found to be aptsystemwas found to be apt..
Fig :A typical roof top rain water harvesting system

10. • Rooftop water harvesting is a process ofRooftop water harvesting is a process of
collecting runoff during rains fromcollecting runoff during rains from
impermeable Surfaces on houses or close toimpermeable Surfaces on houses or close to
houses, its storage in water proof vessels andhouses, its storage in water proof vessels and
its subsequent use for the inhabitants of theits subsequent use for the inhabitants of the
houses.houses.
Components of rooftop harvestingComponents of rooftop harvesting ::
• CatchmentCatchment
• Down take pipeDown take pipe
• First flush devicesFirst flush devices
• Storage tanksStorage tanks
• Delivery systemsDelivery systems
Contd..

11. • The design process and products from design would be guided by twoThe design process and products from design would be guided by two
fundamental principlesfundamental principles AffordabilityandSustainability.AffordabilityandSustainability.
Marketing of the
product
institutions

12. • problems like economic benefits will certainly raise doubts in people and willproblems like economic benefits will certainly raise doubts in people and will
make them vary of investing money in such a systemmake them vary of investing money in such a system
• In orderto confront such a situation the government should intervene andIn orderto confront such a situation the government should intervene and
must introduce betterincentives, to make this systemcommon amongst themust introduce betterincentives, to make this systemcommon amongst the
natives of Rajourinatives of Rajouri
• Without the much added assistance from the government the RainwaterWithout the much added assistance from the government the Rainwater
harvesting systemwill probably fail to establish itself in the Rajouri areaharvesting systemwill probably fail to establish itself in the Rajouri area
• Although the success of this scheme would ratherdepend heavily on theAlthough the success of this scheme would ratherdepend heavily on the
issue that whetherthe Rain waterharvesting system meets the need of theissue that whetherthe Rain waterharvesting system meets the need of the
people ornot, and as the people get used to this technology.people ornot, and as the people get used to this technology.