HI EVERYBODY,
"DAMS ARE TEMPLES OF MODERN INDIA" PUNDIT JAWAHARLAL NEHRU THE FIRST PRIME MINISTER OF INDIA TOLD. BUT NOW A STRONG ANTI-DAM LOBBY IS WORKING IN INDIA. THEY CALL THEMSELVES AS ACTIVISTS. HOW THIS CHANGE OF MIND CAME ? BEFORE GOING DEEP INTO SUCH CONTROVERSY
LET US LEARN SOMETHING ABOUT DAMS.
WHAT IS A DAM?
Dam is a solid barrier constructed at a suitable location across a river valley to store flowing water.
WHAT ARE THE OBJECTIVE OF STORAGE OF WATER?
Hydropower
Irrigation
Water for domestic consumption
Drought and flood control
For navigational facilities
Other additional utilization is to develop fisher.
Monday, September 26, 2011
Saturday, September 10, 2011
Basic Civil Engineering-Levelling
Hi everybody,
We have seen that Leveling is an operation determining the relative elevations of different points on the surface of earth.
By the relative elevation is meant the difference of elevation between any two points considered . There may be rise or fall at one point with respect to other . The relative elevations of different points are always referred to some datumto represent them on the plan or map.USUALLY THE MEAN SEA LEVEL(MSL) IS TAKEN AS THE DATUM.
Instruments used for levelling
1)LEVEL
2)lEVELLING STAFF
3) CHAIN OR TAPE AND A LEVEL FIELD BOOK IS USED TO RECORD THE B.S,F.SAND I.S AND R.L
WHAT IS B.S ,F.S,I.S AND R.L? WE WILL SEE.
We have seen that Leveling is an operation determining the relative elevations of different points on the surface of earth.
By the relative elevation is meant the difference of elevation between any two points considered . There may be rise or fall at one point with respect to other . The relative elevations of different points are always referred to some datumto represent them on the plan or map.USUALLY THE MEAN SEA LEVEL(MSL) IS TAKEN AS THE DATUM.
Instruments used for levelling
1)LEVEL
2)lEVELLING STAFF
3) CHAIN OR TAPE AND A LEVEL FIELD BOOK IS USED TO RECORD THE B.S,F.SAND I.S AND R.L
WHAT IS B.S ,F.S,I.S AND R.L? WE WILL SEE.
Tuesday, September 6, 2011
Basic Civil Engineering- Surveying and Levelling
Hi,
SURVEYING IS AN ART OF DETERMINING THE RELATIVE POSITIONS OF POINTS ON,ABOVE,OR BENEATH THE SURFACE OF THE EARTH.
BY MEASURING THE DISTANCES,DIRECTION,AND ELEVATION ,THE RELATIVE POSITIONS OF POINTS CAN BE DETERMINED.
AFTER KNOWING THE RELATIVE POSITIONS OF POINTS ,THEY CAN BE REPRESENTED ON A PLAN
SURVEYING IS ESSENTIALLY A PROCESS OF DETERMINING THE RELATIVE POSITIONS OF POINTS IN A HORIZONTAL PLANE.
SURVEYING INCLUDES LEVELING ALSO.
LEVELING IS AN ART OF DETERMINING THE RELATIVE HEIGHTS OF ELEVATIONS OF DIFFERENT POINTS ON EARTH'S SURFACE SO THAT THE LEVELS OF THAT CAN BE REPRESENTED ON A PLAN.
IT IS ESSENTIALLY A PROCESS TO DETERMINE THE RELATIVE POSITIONS OF POINTS IN A VERTICAL PLANE.
THE MAIN OBJECTIVE OF SURVEYING IS TO PREPARE A PLAN OR MAP.
SURVEYING IS AN ART OF DETERMINING THE RELATIVE POSITIONS OF POINTS ON,ABOVE,OR BENEATH THE SURFACE OF THE EARTH.
BY MEASURING THE DISTANCES,DIRECTION,AND ELEVATION ,THE RELATIVE POSITIONS OF POINTS CAN BE DETERMINED.
AFTER KNOWING THE RELATIVE POSITIONS OF POINTS ,THEY CAN BE REPRESENTED ON A PLAN
SURVEYING IS ESSENTIALLY A PROCESS OF DETERMINING THE RELATIVE POSITIONS OF POINTS IN A HORIZONTAL PLANE.
SURVEYING INCLUDES LEVELING ALSO.
LEVELING IS AN ART OF DETERMINING THE RELATIVE HEIGHTS OF ELEVATIONS OF DIFFERENT POINTS ON EARTH'S SURFACE SO THAT THE LEVELS OF THAT CAN BE REPRESENTED ON A PLAN.
IT IS ESSENTIALLY A PROCESS TO DETERMINE THE RELATIVE POSITIONS OF POINTS IN A VERTICAL PLANE.
THE MAIN OBJECTIVE OF SURVEYING IS TO PREPARE A PLAN OR MAP.
Basic Civil Engineering-Scope of Civil engineering
Hi Everybody,
The Major Specializations civil engineering are:-
1) FLUID MECHANICS, HYDRAULICS,AND HYDRAULIC MACHINES
2) GEO-TECHNICAL ENGINEERING
3) IRRIGATION ENGINEERING
4) STRUCTURAL ENGINEERING
5) SURVEYING AND LEVELING AND REMOTE SENSING
6) TRANSPORTATION ENGINEERING
7) WATER SUPPLY , SANITARY AND ENVIRONMENTAL ENGINEERING.
The Major Specializations civil engineering are:-
1) FLUID MECHANICS, HYDRAULICS,AND HYDRAULIC MACHINES
2) GEO-TECHNICAL ENGINEERING
3) IRRIGATION ENGINEERING
4) STRUCTURAL ENGINEERING
5) SURVEYING AND LEVELING AND REMOTE SENSING
6) TRANSPORTATION ENGINEERING
7) WATER SUPPLY , SANITARY AND ENVIRONMENTAL ENGINEERING.
Thursday, September 1, 2011
Basic Civil Engineering
HI EVERYBODY,
LET US LEAN ABOUT THE BASIC CIVIL ENGINEERING.
CIVIL ENGINEERING IS THAT BRANCH OF ENGINEERING WHICH LOOKS AFTER THE BASIC NEEDS OF HUMAN BEINGS. IT IS ALSO THE BACKBONE OF OF DEVELOPMENT OF INFRASTRUCTURE WHICH IS NECESSARY FOR THE ECONOMIC GROWTH OF THE COUNTRY. HENCE IT IS ESSENTIAL THAT THE BASICS OF THE CIVIL ENGINEERING SHOULD BE KNOWN BY ALL,ESPECIALLY ALL ENGINEERING STUDENTS.ENGINEERS HAVE CONTRIBUTED MUCH FOR THE SHAPING OF CIVILIZATION. THE ROLE OF ENGINEERS IN SOCIETY IS TO DEVELOP THE TECHNOLOGICAL APPLICATION TO THE PRACTICAL NEEDS OF THAT SOCIETY.
THE SYSTEM THAT SUPPLY OUR FOOD ,WATER,FUEL,POWER,TRANSPORTATION NETWORK,COMMUNICATION AND OTHER CONVENIENCES ARE THE PRODUCT OF ENGINEERING SKILL. EVEN THOUGH THEY PLAY A CRUCIAL ROLE IN THE ABOVE PROGRESS AND WELL BEING OF THE SOCIETY ,THEIR ROLE IS ALWAYS MISUNDERSTOOD OR NOT PERFECTLY UNDERSTOOD.
ENGINEERING IS THE ART OF CONVERTING KNOWLEDGE INTO USEFUL PRACTICAL APPLICATIONS.OFTEN THEIR HAVE BEEN DIFFICULTIES IN DISTINGUISHING ENGINEERS FROM SCIENTISTS. THE BASIC DISTINCTION BETWEEN THE LINKED PROFESSIONS OF SCIENCE AND ENGINEERING LIES IN THEIR GOALS.
CIVIL ENGINEERING.
CIVIL ENGINEERING IS THAT BRANCH OF ENGINEERING WHICH PROVIDES A COMFORTABLE AND SAFE LIVING TO PEOPLE. SHELTER IS PROVIDED BY CIVIL ENGINEERS. WE SAY (ROTI,KAPPADA AUR MAKKAN),THAT IS FOOD,CLOTH AND SHELTER ARE THE THREE BASIC NEEDS OF MANKIND.
A MALAYALAM POET HAS SUNG THERE IS PLACE FOR SNAKE TO LIVE IN ,SKY TO BIRDS BUT NO LIVING PLACE FOR MEN TO LIVE. THIS SHOW THE STRONG WISH FOR A MAN TO HAVE A SAFE SHELTER. THAT IS BEING PROVIDED BY CIVIL ENGINEERS.
THE EFFICIENT PLANNING OF WATER SUPPLY AND IRRIGATION SYSTEMS INCREASES THE FOOD PRODUCTION IN A COUNTRY.COMMUNICATION LINES LIKE ROADS,RAILWAYS,BRIDGES etc..WITHOUT WHICH DEVELOPMENT IS IMPOSSIBLE ARE THE FRUITS OF CIVIL ENGINEERS WORK.
I AM PROUD TO SAY I AM A CIVIL ENGINEER.WHO SERVED KERALA STATE FOR 31LONG YEARS IN THE WATER RESOURCE DEPARTMENT. THAT'S ALL FOR THE DAY. SCOPE OF CIVIL ENGINEERING AND DIFFERENT SPECIALIZATION OF CIVIL ENGINEERING FIELD CONTINUES....NEXT WAIT.....
LET US LEAN ABOUT THE BASIC CIVIL ENGINEERING.
CIVIL ENGINEERING IS THAT BRANCH OF ENGINEERING WHICH LOOKS AFTER THE BASIC NEEDS OF HUMAN BEINGS. IT IS ALSO THE BACKBONE OF OF DEVELOPMENT OF INFRASTRUCTURE WHICH IS NECESSARY FOR THE ECONOMIC GROWTH OF THE COUNTRY. HENCE IT IS ESSENTIAL THAT THE BASICS OF THE CIVIL ENGINEERING SHOULD BE KNOWN BY ALL,ESPECIALLY ALL ENGINEERING STUDENTS.ENGINEERS HAVE CONTRIBUTED MUCH FOR THE SHAPING OF CIVILIZATION. THE ROLE OF ENGINEERS IN SOCIETY IS TO DEVELOP THE TECHNOLOGICAL APPLICATION TO THE PRACTICAL NEEDS OF THAT SOCIETY.
THE SYSTEM THAT SUPPLY OUR FOOD ,WATER,FUEL,POWER,TRANSPORTATION NETWORK,COMMUNICATION AND OTHER CONVENIENCES ARE THE PRODUCT OF ENGINEERING SKILL. EVEN THOUGH THEY PLAY A CRUCIAL ROLE IN THE ABOVE PROGRESS AND WELL BEING OF THE SOCIETY ,THEIR ROLE IS ALWAYS MISUNDERSTOOD OR NOT PERFECTLY UNDERSTOOD.
ENGINEERING IS THE ART OF CONVERTING KNOWLEDGE INTO USEFUL PRACTICAL APPLICATIONS.OFTEN THEIR HAVE BEEN DIFFICULTIES IN DISTINGUISHING ENGINEERS FROM SCIENTISTS. THE BASIC DISTINCTION BETWEEN THE LINKED PROFESSIONS OF SCIENCE AND ENGINEERING LIES IN THEIR GOALS.
CIVIL ENGINEERING.
CIVIL ENGINEERING IS THAT BRANCH OF ENGINEERING WHICH PROVIDES A COMFORTABLE AND SAFE LIVING TO PEOPLE. SHELTER IS PROVIDED BY CIVIL ENGINEERS. WE SAY (ROTI,KAPPADA AUR MAKKAN),THAT IS FOOD,CLOTH AND SHELTER ARE THE THREE BASIC NEEDS OF MANKIND.
A MALAYALAM POET HAS SUNG THERE IS PLACE FOR SNAKE TO LIVE IN ,SKY TO BIRDS BUT NO LIVING PLACE FOR MEN TO LIVE. THIS SHOW THE STRONG WISH FOR A MAN TO HAVE A SAFE SHELTER. THAT IS BEING PROVIDED BY CIVIL ENGINEERS.
THE EFFICIENT PLANNING OF WATER SUPPLY AND IRRIGATION SYSTEMS INCREASES THE FOOD PRODUCTION IN A COUNTRY.COMMUNICATION LINES LIKE ROADS,RAILWAYS,BRIDGES etc..WITHOUT WHICH DEVELOPMENT IS IMPOSSIBLE ARE THE FRUITS OF CIVIL ENGINEERS WORK.
I AM PROUD TO SAY I AM A CIVIL ENGINEER.WHO SERVED KERALA STATE FOR 31LONG YEARS IN THE WATER RESOURCE DEPARTMENT. THAT'S ALL FOR THE DAY. SCOPE OF CIVIL ENGINEERING AND DIFFERENT SPECIALIZATION OF CIVIL ENGINEERING FIELD CONTINUES....NEXT WAIT.....
Sunday, July 31, 2011
P.G.Tenzing- founder of WaterConservation society in Kannur
TO DAY I HAPPENED TO READ ABOUT THE SHOCKING NEWS TENZING IS NO MORE. HE LEFT THE WORLD ABOUT ONE YEAR BACK ON 26TH JULY 2010 AT HIS NATIVE PLACE IN SIKKIM.
I REMEMBER HIM AS THE DISTRICT COLLECTOR ,KANNUR,A DISTRICT IN NORTH KERALA.
IT WAS A HOT SUMMER MONTH.THERE WAS HOT DISCUSSION IN COLLECTORATE FOR TIDING THE DIFFICULTY OF DROUGHT. EVERYBODY WANTED DEEP BORE WELL DUG IN THEIR VILLAGES. THERE ARE 90 VILLAGES IN KANNUR. SOME WANTED WATER TO BE SUPPLIED THROUGH LORRY TO QUENCH THE THIRST OF WATER. THERE WERE HEATED EXCHANGE OF WORDS BETWEEN RULING PARTY AND OPPOSITION. DISTRICT COLLECTOR P.G.TENZING PATIENTLY HEARD ALL. TOLD THE MONEY AT THE DISPOSAL OF COLLECTOR IS NOT SUFFICIENT TO SATISFY ALL THEIR NEEDS. HE APPEALED TO THE MEMBERS OF RULING PARTY TO GET SUFFICIENT FUND FROM GOVERNMENT
IN THE SAME DAY EVENING WHILE PLAYING TENNIS HE SAW SOME MEN TAKING BATH FROM THE OPEN WELL .THE MAN WAS POURING WATER ON HIS BODY .HE COUNTED THE NUMBER OF BUCKET OF WATER HE DREW FOR BATH. MORE THAN TWENTY. HE MURMURED " MALAYALEES DONT KNOW TO RESPECT WATER" NEXT DAY HE CALLED ME . HE STARTED A NON-GOVERNMENT ORGANISATION -KANNUR WATER CONSERVATION SOCIETY - WITH THE INVOLVEMENT OF VOLUNTEERS FROM TEACHERS,BANKERS, POLITICIANS, PANCHAYATH PRESIDENTS, OFFICIALS ,ENGINEERS, AGRICULTURISTS AND SO ON. PAZHASSI IRRIGATION PROJECT WAS CRITICISED AS A FAILED IRRIGATION PROJECT BY CRITICS. BUT IT FED WATER TO MAHI, AND KANNUR , AND MANY VILLAGES OF THE DISTRICT. IRRIGATION PROJECT IS USED TO QUENCH THE THIRST OF PEOPLE DURING DROUGHT . I PRAY GOD TENZING , U COME BACK IN UR NEW BIRTH AND FULFILL YOUR DREAM PROJECT..
I REMEMBER HIM AS THE DISTRICT COLLECTOR ,KANNUR,A DISTRICT IN NORTH KERALA.
IT WAS A HOT SUMMER MONTH.THERE WAS HOT DISCUSSION IN COLLECTORATE FOR TIDING THE DIFFICULTY OF DROUGHT. EVERYBODY WANTED DEEP BORE WELL DUG IN THEIR VILLAGES. THERE ARE 90 VILLAGES IN KANNUR. SOME WANTED WATER TO BE SUPPLIED THROUGH LORRY TO QUENCH THE THIRST OF WATER. THERE WERE HEATED EXCHANGE OF WORDS BETWEEN RULING PARTY AND OPPOSITION. DISTRICT COLLECTOR P.G.TENZING PATIENTLY HEARD ALL. TOLD THE MONEY AT THE DISPOSAL OF COLLECTOR IS NOT SUFFICIENT TO SATISFY ALL THEIR NEEDS. HE APPEALED TO THE MEMBERS OF RULING PARTY TO GET SUFFICIENT FUND FROM GOVERNMENT
IN THE SAME DAY EVENING WHILE PLAYING TENNIS HE SAW SOME MEN TAKING BATH FROM THE OPEN WELL .THE MAN WAS POURING WATER ON HIS BODY .HE COUNTED THE NUMBER OF BUCKET OF WATER HE DREW FOR BATH. MORE THAN TWENTY. HE MURMURED " MALAYALEES DONT KNOW TO RESPECT WATER" NEXT DAY HE CALLED ME . HE STARTED A NON-GOVERNMENT ORGANISATION -KANNUR WATER CONSERVATION SOCIETY - WITH THE INVOLVEMENT OF VOLUNTEERS FROM TEACHERS,BANKERS, POLITICIANS, PANCHAYATH PRESIDENTS, OFFICIALS ,ENGINEERS, AGRICULTURISTS AND SO ON. PAZHASSI IRRIGATION PROJECT WAS CRITICISED AS A FAILED IRRIGATION PROJECT BY CRITICS. BUT IT FED WATER TO MAHI, AND KANNUR , AND MANY VILLAGES OF THE DISTRICT. IRRIGATION PROJECT IS USED TO QUENCH THE THIRST OF PEOPLE DURING DROUGHT . I PRAY GOD TENZING , U COME BACK IN UR NEW BIRTH AND FULFILL YOUR DREAM PROJECT..
Thursday, March 10, 2011
IRRIGATIONINDIA- THE HIDDEN AGENDA OF DEVELOPED NATION
DEVELOPMENT IS THE KEY WORD FOR NATIONS. THERE ARE TWO SIDES . DEVELOPED NATION AND DEVELOPING NATIONS.
THE RICH ,DEVELOPED ,CAPITALISED COUNTRIES AIM IS TO GROW THEIR MONEY. INCREASE THEIR PROFIT .IT IS NOT WRONG. IT IS INDIVIDUALS FREEDOM . BUT THE GOVERNMENT IS BOUND TO FEED ITS PEOPLE. INDIA IS BASICALLY IS A COUNTRY OF AGRO-CIVILISATION .INDUS VALLEY CIVILISATION BACKS TO 2500 BC. THE POPULATION IS PLENTY,THE LAND AND OTHER NATIONAL RESOURES ARE SCARCE. WE HAVE TO MANAGE TO PRODUCE MORE PER UNIT AREA OF LAND , PER UNIT VOLUME OF WATER.
INITIAL PLANNERS OF INDIA WERE IMPORTING FOOD . THE COUNTRY WHICH EXPORTED FOOD ,FOLLOWED A POLICY OF ARMTWISTING . THEY USED FOOD AS A WEAPON ,TO BRING INDIA TO THEIR LINE .
BUT INDIA OVER CAME THOSE PRESSURE AND BY ITS GREEN REVOLUTION WAS SELF SUFFICIENT IN FOOD SECURITY BY 70S . BUT THE EXPLODING GROWTH OF POPULATION DEFEATED THE ACHIEVEMENT. THE WORLD FORWARDED FAST. TO CATCH THE PACE OF FAST MOVING COUNTRIES INDIA HAD TO CHANGE ITS DEVELOPMENT POLICY. INDUSTRIAL DEVELOPMENT AND ENERGY DEVELOPMENT WAS ESSENTIAL FOR ITS GROWTH AND HENCE THE AGRICULTURAL AND IRRIGATION DEVELOPMENT WAS PUT BEHIND THE AGENDA OF DEVELOPMENT.
CHINA IS THE BIG DAM BUILDER 22000 LARGE DAMS ARE THERE ,USA IS SECOND IN POSITION HAVING MORE THAN 10,000 DAMS ,INDIA IS ONLY THE THIRD IN ROW WITH ABOUT 5000 BIG DAMS.
THE DEVELOPED NATION WANTED INDIA TO SLOW DOWN DAM CONSTRUCTION.WORLD BANK WHICH GAVE BIG MONEY FOR CONSTRUCTION OF BIG DAMS WENT BACK IN ITS PROMISE AND STOPPED ASSISTANCE TO INDIA FOR BUILDING DAMS .THE ENVIRONMENTAL LOBY EXERTED ITS PRESSURE TO DO THIS. THE POOR PEOPLE VOICE WAS SILENCED IN THIS VALLEY.
THE RICH ,DEVELOPED ,CAPITALISED COUNTRIES AIM IS TO GROW THEIR MONEY. INCREASE THEIR PROFIT .IT IS NOT WRONG. IT IS INDIVIDUALS FREEDOM . BUT THE GOVERNMENT IS BOUND TO FEED ITS PEOPLE. INDIA IS BASICALLY IS A COUNTRY OF AGRO-CIVILISATION .INDUS VALLEY CIVILISATION BACKS TO 2500 BC. THE POPULATION IS PLENTY,THE LAND AND OTHER NATIONAL RESOURES ARE SCARCE. WE HAVE TO MANAGE TO PRODUCE MORE PER UNIT AREA OF LAND , PER UNIT VOLUME OF WATER.
INITIAL PLANNERS OF INDIA WERE IMPORTING FOOD . THE COUNTRY WHICH EXPORTED FOOD ,FOLLOWED A POLICY OF ARMTWISTING . THEY USED FOOD AS A WEAPON ,TO BRING INDIA TO THEIR LINE .
BUT INDIA OVER CAME THOSE PRESSURE AND BY ITS GREEN REVOLUTION WAS SELF SUFFICIENT IN FOOD SECURITY BY 70S . BUT THE EXPLODING GROWTH OF POPULATION DEFEATED THE ACHIEVEMENT. THE WORLD FORWARDED FAST. TO CATCH THE PACE OF FAST MOVING COUNTRIES INDIA HAD TO CHANGE ITS DEVELOPMENT POLICY. INDUSTRIAL DEVELOPMENT AND ENERGY DEVELOPMENT WAS ESSENTIAL FOR ITS GROWTH AND HENCE THE AGRICULTURAL AND IRRIGATION DEVELOPMENT WAS PUT BEHIND THE AGENDA OF DEVELOPMENT.
CHINA IS THE BIG DAM BUILDER 22000 LARGE DAMS ARE THERE ,USA IS SECOND IN POSITION HAVING MORE THAN 10,000 DAMS ,INDIA IS ONLY THE THIRD IN ROW WITH ABOUT 5000 BIG DAMS.
THE DEVELOPED NATION WANTED INDIA TO SLOW DOWN DAM CONSTRUCTION.WORLD BANK WHICH GAVE BIG MONEY FOR CONSTRUCTION OF BIG DAMS WENT BACK IN ITS PROMISE AND STOPPED ASSISTANCE TO INDIA FOR BUILDING DAMS .THE ENVIRONMENTAL LOBY EXERTED ITS PRESSURE TO DO THIS. THE POOR PEOPLE VOICE WAS SILENCED IN THIS VALLEY.
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