Good Day,

I invite suggestions from the learned members regarding most
appropriate methods to estimate groundwater recharge from artificial
recharge and rainwater harvesting structures (such as anicuts, field
bunds, gabions etc) in a hard rock area for studying their impacts on
groundwater resources. Whether any specific softwares are available
for such purpose?

Copies/links to any relevant literature (case studies/papers/web
resources) or software will also be useful.

Thanks & Regards
Kumar
================================================
C. P. KUMAR
Scientist 'E1'
National Institute of Hydrology
Jal Vigyan Bhawan
Roorkee - 247667 (Uttarakhand)
INDIA

Web Page : http://www.angelfire.com/nh/cpkumar/
================================================
Unfold the Goddess Within:
http://groups.yahoo.com/group/Shambhavi/
================================================

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APOLOGIZE FOR CROSS POSTING
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Dear friends

i am required to deliver a series of talk on sea water intrusion, coastal
salinity management, reclamation of salt affected soils or coastal lands,
drainage of agricultural lands and so pertaining to engineering measures. i
shall very much appreciate if you can please arrange to send me the relevant
files in ppt, jpg, doc, pdf and xls for the above topics. i shall assure you
that the matters will be used only for academic  purposes and not for money
generation excluding honorarium on the lectures
thanks and regards

Dr. M. K. Khandelwal, Principal Scientist
Central Soil Salinity Research Institute (ICAR)
Regional Research Station
Bharuch 392012 (Gujarat), India
Telefax:+91 2642 225673
Phones: +91 2642 225688 and 225805 (Res)
Mobile: +91 9426861962

Dear Group Member,

With reference to my earlier queries (did not get any response at that time), a
recent response from Mr. Alessandro Casasso is placed below.

Regards
Kumar
==================================================
C. P. KUMAR
Scientist 'E1'
National Institute of Hydrology
Jal Vigyan Bhawan
Roorkee - 247667 (Uttarakhand)
INDIA

Web Page : http://www.angelfire.com/nh/cpkumar/
==================================================

******************************************************************

Re: Modelling of seawater intrusion
Monday, September 22, 2008 3:52 PM
From: "alessandro.casasso" <alessandro.casasso@...>
To: "C. P. Kumar" <cpkumar@...>

Have you found any answer to you questions? I'm working at a MS thesis about
Feflow modelling of a shallow aquifer in Venice. I will not try to model salt
pans - too difficult even to think where they are.

About rainfall and evapotranspiration: I've got rainfall and temperature data. I
calculated ET with Blaney-Criddle formula, but I found that results are
overestimated. I tried to reduce risults by comparing modeling results with real
results (in the area I'm studying, I can get results from 11 piezometers..) and
I found that BC formula results can be divided by 3. I found that ET estimation
is one of the most difficult parts of shallow aquifers modeling...

I've got no idea about brackish water in rivers. In my model, I assigned the
tidal oscillations (1st type boundary conditions) also to a channel of Venice
lagoon that encloses my modeling domain.

I developed a relation between TDS and conductivity (I've got specifical
conductivity measures), but I did a very rude approximation. As I'm modeling a
peninsula, I thought that seawater contains most NaCl , so conductivity
(microSiemens per cm) is dominated by NaCl concentration. Conductivity is linked
to NaCl concentration in this way: - every ion has an equivalent conductivity,
that is the specifical conductivity for a concentration of 1 equivalent/liter
(for NaCl, 1 equivalent = 1 mole); - this equivalent conductivity is also linked
to concentration by Onsager formula; - specifical conductivity = equiv conduct x
concentration [mole/liter]

I visited your site some time ago, I found it very interesting. Sorry for my
English, I have to improve it. About my tip on TDS-conductivity: as we say in
Italy "here I tell it, and here I deny it" :-) I'm only a MS student and I got
these advice reading a laboratory chemistry manual...

See you soon on this forum,
Alessandro Casasso

******************************************************************

Date: Sun, 20 May 2007 20:03:41 -0700 (PDT)
From: "C. P. Kumar" <cpkumar@...>
Subject: Modelling of seawater intrusion
To: hydforum@yahoogroups.com, hydrologymodel@...,
gwmodel@yahoogroups.com, gwrm@..., rhydrology@yahoogroups.com,
feflow@..., seawat@..., coastal@googlegroups.com

Dear Group Member,

I am grateful to the following members/experts for their interesting/useful
observations/comments/suggestions on my report "Modelling of a Coastal Aquifer
using FEFLOW" (available at ftp://ftp.wasy.de/FEFLOW/Goa.pdf ).

(1) Reinhard Zapata (Waterloo Hydrogeologic, Canada)
(2) Krishnaiah C. (India)
(3) S.V.N.Rao (Roorkee, India)
(4) V.V.S. Gurunadha Rao (Hyderabad, India)
(5) Michael Jorgensen (Australia)

I am prompted to seek further suggestions for the following issues in modelling
the seawater intrusion in coastal aquifers.

(a) How to model the effect of salt pans on groundwater in coastal areas?

(b) How to incorporate the evaporation from open water surfaces (e.g. to define
time-variant boundary condition in case of rivers) and evaporation from shallow
groundwater table?

(c) How to model the effect of brackish water in rivers (due to tidal backwater
effect from sea) on groundwater in coastal areas?

(d) How to develop correlation between resistivity values and TDS and between
resistivity values and hydraulic conductivity.

(e) Suitability of Kriging, Akima and Inverse Distance Weighting techniques for
interpolation/regionalization of different parameters/variables.

Any suggestions for the above will be helpful for extension of this (or similar)
study in future.

There is a small errata in the report - title of figure 7 may be read as
"Measured Values of Hydraulic Conductivity (*10E-4 m/s)" - the multiplier was
missing.

Regards
Kumar
==================================================
C. P. KUMAR
Scientist 'E1'
National Institute of Hydrology
Jal Vigyan Bhawan
Roorkee - 247667 (Uttarakhand)
INDIA

Web Page : http://www.angelfire.com/nh/cpkumar/
==================================================

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Prof. Dr. L. Elango, Anna University, India

Dear all

I am designing a silt flushing network for which I am using Hammer (Bentley
product similar to watercad) as a software tool.

But is there any freeware available for network problem. In the absence of
commercial software, how can one solve it (any Newton Raphson based
programme etc)??

Also I am interested to know that is there any software (free or commercial)
which can be used for the hydraulic analysis, capable of modeling
pressurized as well as open channel system (i.e combined system ) in one go?

Thanking all in advance

Kaustubh Sohoni |Asst. Engineer- CIG (Hydro)

SMEC India Pvt. Ltd.
Level 5, Tower C, Building No. 8, DLF Cyber City, Phase II, Gurgaon, INDIA,
122002
p +91 124 4501100/4552800 | Ext - 466 | f +91 124 4380043 | m +91 9891693316

Email  <mailto:kaustubh.sohoni@...> kaustubh.sohoni@... |
<http://www.smec.com.au> www.smec.com.au
____________________________________________
SMEC SNOWY MOUNTAINS ENGINEERING CORPORATION
High Quality Consulting and Development Solutions
____________________________________________

GW Exploration Database has been developed by me and can be downloaded from

http://gwwsite.keepandshare.com/

everybody is requested to beta-test it and report about issues and bugs to me.

- Dr. Indranil Roy

Dr. Indranil Roy
Scientist
Central Grounder Water Board
Eastern Region
CP 6, Sector V, Saltlake,
Kolkata - 700 091

(Permanent Address)
Flat A/1, Swastik Co-op Housing,
Garia Govt. Colony, (Near Rangkal)
Garia, Calcutta - 700 084

adding alum or any substance that cogulates disolved materials or
impurities  should be ok to remove permannet hardness to temporary
hardness. if total dissolved salts tds can show contents of na, cl,
mg, so4, etc then we can say more. for the time being get the water
tested by water quality analyser, ask the person, tds and its components.
the we shall certainly tell you. meanwhile,
boil water then after cooling pour in pitcher and let pitcher make
certain filter mechanism.

--- In rhydrology@yahoogroups.com, anita bhatt <anitajnu2001@...> wrote:
>
> I am residing near Kapra lake near Sainikpuri, Hyderabad. The bore
water of our colony is taste's ok, but leaves white residue in water
heaters. The TDS tested by a pen like instrument by a water purifier
sales man showed about 400. Can adding a little alum and precipitating
the dissolved salts help me in using the water for drinking or getting
an RO system is the only method?
>

I am residing near Kapra lake near Sainikpuri, Hyderabad. The bore water of our
colony is taste's ok, but leaves white residue in water heaters. The TDS tested
by a pen like instrument by a water purifier sales man showed about 400. Can
adding a little alum and precipitating the dissolved salts help me in using the
water for drinking or getting an RO system is the only method?

What type of Drilling method was applied there?


--- On Fri, 13/6/08, anita bhatt <anitajnu2001@...> wrote:

From: anita bhatt <anitajnu2001@...>
Subject: [rhydrology] Secunderabad: Borewell Drilling: Troubleshooting
To: rhydrology@yahoogroups.com
Date: Friday, 13 June, 2008, 4:11 PM

Location - Sai Krishna Colony (behind Sai Baba Temple)-Old Bowenpally-Secunder
abad

We had done a Geological survey as per the expert's recommendation we prepared
to go for a bore. The recommended depth for water source was app. 1000'-0.

On 05-06-08, we drilled bore (6.5"size) well in our apartments.We went up to
350'-0 and the driller told that loose soil(below 6 mm metal size - Grey in
colour) was found and could not drill further as the same collapsing when the
drill bit was taking out. At 350'0 we found water size approximately& nbsp; one
inch only.

PVC casing pipe was put up to 80'0 from the top. We were told that after 100'-0
rock was found and below that the loose soil was found. Now the&nbsp; depth of
bore well was around 170'0. (after further collapse).&nbsp; The driller could
not put the Perforated casing&nbsp; from 300'-0 to 350'-0. Having put the same
the drill might have been gone further.

We would like have expertise opinion regarding the following.

a) How to over come this problem?
b) Can we use the same bore for re drilling and perforated casing can be used
or&nbsp; not? If so How to go about it?
c) If option (b) is not feasible at what distance we have to drill the new bore
and how to go about it?
d) Is there a solution for the same?

Kindly provide advice.

Complete drilling problem can be soved. I am reaching Hyderabad on
19th Morning, Contact me if you are interested.

Yusuf Jani. Md.
Manager Oil & Gas
P.O.Box:1040
PC:112,Ruwi, Muscat.
Sultanate of Oman.
Tel. Direct: 00968 24526127
GSM: 00968 92810766.
E-mail: Yusuf@...
E-mail: wjtdrillingdivision@...
Web:  www.wjtowell.com
Web:  www.towellengineering.com

Contact No. in India:9800880076




--- In rhydrology@yahoogroups.com, anita bhatt <anitajnu2001@...>
wrote:
> Location - Sai Krishna Colony (behind Sai Baba Temple)-Old
Bowenpally-Secunderabad
>
> We had done a Geological survey  as per the expert's
recommendation we prepared to go for a bore. The recommended depth
for water source was app. 1000'-0.
>
> On 05-06-08, we drilled bore (6.5"size) well in our apartments.We
went up to 350'-0 and the driller told that loose soil(below 6 mm
metal size - Grey in colour) was found and could not drill further
as the same collapsing when the drill bit was taking out. At 350'0
we found water size approximately&nbsp; one inch only.
>
> PVC casing pipe was put up to 80'0 from the top. We were told that
after 100'-0 rock was found and below that the loose soil was found.
Now the&nbsp; depth of bore well was around 170'0. (after further
collapse).&nbsp; The driller could not put the Perforated
casing&nbsp; from 300'-0 to 350'-0. Having put the same the drill
might have been gone further.
>
> We would like have expertise opinion regarding the following.
>
> a) How to over come this problem?
> b) Can we use the same bore for re drilling and perforated casing
can be used
> or&nbsp; not? If so How to go about it?
> c) If option (b) is not feasible at what distance we have to drill
the new bore
> and how to go about it?
> d) Is there a solution for the same?
>
> Kindly provide advice.
>

The CSSRI, RRS, Bharuch can look into your problems of high salt
content, so called TDS. there are RO being built up by CSIR based
institute cscmri at Bhavnagar hav ing different range of TDS and
suitable for different consumers say one lakh lit per day to 100 lakh
lit per day.

if the ground water has potentially high parameters of carbonates and
bicarbonates, that may decide hardness of water temporrary or
permanent. do you have any determined properties of say, na, cl, mg,
so4, co3, hco3, and salt composition and above all, fe, mn, zn, co,
toxic substance then we can think to do share a bit.
rest all fine.


  --- In rhydrology@yahoogroups.com, anita bhatt <anitajnu2001@...> wrote:
>
> We had a borewell, from which the water for our building is fed
through overhead tank. We have a problem with clogging of pipes,taps ,
deposition of a white layer on utilities . We used this water as it is
for 7 years. Due to health problems of family members,and suggestions
from friends various types of filers were used but found lacking. Also
the filtering elements were getting clogged every 4 to 5 months and
needed replacement.
>
> Finally got an R.O. system , just for drinking water purification.
Problem have been relieved for drinking and kitchen utilities. T.D.S.
of water is found to be 674 and after R.O. it is 24. Our city Bhilai
is located in Chattisgarh state. It is an industrial area. The water
from borewell is hard, as you can see from the problems. How can this
water can be softened for utilities other than drinking.
>
> The scale of the problem is huge with at least 10000 houses having
individual bores in this area with same problem . There are many
softeners which are expensive. Kindly suggest a cost - effective
solution. It would be ideal if the remedy can be applied on a large scale.
>

I am planning to implement a 6" bore well with submersible pump assembly.
Location: Bilaspur , Chattisgarh.

Boring with vehicle mounted machine is not possible due to space
limitation.  Accordingly, the boring work is done using diesel operated
machine mounted on tripod. They informed me that for a bore of 6", initially a
bore larger than 6" has to be  made till rock is found. After getting rock
large size pipe will installed and be rested on the rock to support the 
earth materials which may dislodge and fall during drilling in rock due to
vibration. However after that, onward 6" hole will be drilled and hence 6" pipe
will be installed upto required depth till water stream is found.

I have sone doubts regarding the same.

- Please go through the problem at hand and let me know if the correct form of
action is being undertaken.
- Does one need to use higher size bore for primary bore,  than the final
bore size?
- Do we need pipe after rock is hit?
- Can PVC /  HDPE / HDPP pipes be used for long term purposes in borewells?
- Please outline the right procedure for boring, borewell assembly installation.

Location - Sai Krishna Colony (behind Sai Baba Temple)-Old
Bowenpally-Secunderabad

We had done a Geological survey  as per the expert's recommendation we prepared
to go for a bore. The recommended depth for water source was app. 1000'-0.

On 05-06-08, we drilled bore (6.5"size) well in our apartments.We went up to
350'-0 and the driller told that loose soil(below 6 mm metal size - Grey in
colour) was found and could not drill further as the same collapsing when the
drill bit was taking out. At 350'0 we found water size approximately  one
inch only.

PVC casing pipe was put up to 80'0 from the top. We were told that after 100'-0
rock was found and below that the loose soil was found. Now the  depth of
bore well was around 170'0. (after further collapse).  The driller could
not put the Perforated casing  from 300'-0 to 350'-0. Having put the same
the drill might have been gone further.

We would like have expertise opinion regarding the following.

a) How to over come this problem?
b) Can we use the same bore for re drilling and perforated casing can be used
or  not? If so How to go about it?
c) If option (b) is not feasible at what distance we have to drill the new bore
and how to go about it?
d) Is there a solution for the same?

Kindly provide advice.

We had a borewell, from which the water for our building is fed through overhead
tank. We have a problem with clogging of pipes,taps , deposition of a white
layer on utilities . We used this water as it is for 7 years. Due to health
problems of family members,and suggestions from friends various types of filers
were used but found lacking. Also the filtering elements were getting clogged
every 4 to 5 months and needed replacement.

Finally got an R.O. system , just for drinking water purification. Problem have
been relieved for drinking and kitchen utilities. T.D.S. of water is found to be
674 and after R.O. it is 24. Our city Bhilai is located in Chattisgarh state. It
is an industrial area. The water from borewell is hard, as you can see from the
problems. How can this water can be softened for utilities other than drinking.

The scale of the problem is huge with at least 10000 houses having individual
bores in this area with same problem . There are many softeners which are
expensive. Kindly suggest a cost - effective solution. It would be ideal if the
remedy can be applied on a large scale.

if the aquifer is such that the artesian pressure exists between two
layers of rocks, then one of the lower or upper region of rock may not
be neceesariyly be driven with a casing pipe. instead, hole passing
through rock formation will function as a casing pipe. more or so, you
may try to get compressor results from the adjoining area or read
longitudinal or traverse section of geological formations, say
aquifer. central ground water board of k region would be in a better
position to get you some more light on the subject.

--- In rhydrology@yahoogroups.com, channa basavanna
<channabasavanna@...> wrote:
>
> Dear Ponni,
>
> I am also from Tumkur Region.
>
> What the geologist and the Rig man says is correct
> upto my knowledge, because I have seen more than 50
> borewells in the region, they have only taken max of
> 200 ft casing.
>
> So no problems in only 200ft casing and going upto
> 650-700ft depth.
>
> Regards,
>
> Channabasavanna.A
>
> Environmental Engineer,
> ENVIRONMENTAL INTERNATIONAL CONSULTANTS
> P.O. Box: 123401,Dubai- U.A.E.
> Tel: +971 4 3357044 Fax: +971 4 3357033
> Mobile: +971 508509819
> Website:www.eicon.ae
>

Dear Ponni,

I am also from Tumkur Region.

What the geologist and the Rig man says is correct
upto my knowledge, because I have seen more than 50
borewells in the region, they have only taken max of
200 ft casing.

So no problems in only 200ft casing and going upto
650-700ft depth.

Regards,

Channabasavanna.A

Environmental Engineer,
ENVIRONMENTAL INTERNATIONAL CONSULTANTS
P.O. Box: 123401,Dubai- U.A.E.
Tel: +971 4 3357044 Fax: +971 4 3357033
Mobile: +971 508509819
Website:www.eicon.ae

We plan to dig a borewell in Tumkur area - 80 km from Bangalore in Karnataka.
Geologist has predicted that we may get water at 650 feet below ground level.
One borewell driller, says that he will drill 650 feet and will need only ~
150-200 feet pipe to install. He says, he will hit rock at that level, after
which he will only bore till 700feet, without inserting pipe. It will be a
submersible pump at 200 feet.

Will this suffice?

We are ready to invest a little bit more also, but then want a long lasting
bore. we have another bore dug around 2 years back in which also they had
installed only 180 feet pipe with submersible pump.  When enquired about
why can't slotted casing pipes be used, he says since rock is there at 200 feet,
there is no need to insert anymore and he does not do that type of work.

My question is: What if rock is there only for 100 feet further, after which
soil or sand is there? Won't the depth of the bore stop at the end of rock (i.e.
200 feet pipe+100 feet rock)? Geologist has said the water source is good only
at 650feet.

Can you throw some light on this.

Ponni K

Respected sir/ madam,

there are many new techniques. mainly the geophysical techniques like
resistivity surveying etc, can be used for knowing water depths.
you can as well contact NGRI (National Geo physical Research Institute).

i have done my project work there.
we used resistivity - terrameter SAS
i personally feel this is a very good method.

Thanking you,
Regards,
Ranjit

----- Original Message ----
From: anita bhatt <anitajnu2001@...>
To: rhydrology@yahoogroups.com
Sent: Wednesday, 4 June, 2008 10:26:53 AM
Subject: [rhydrology] Borewell Placement Consultation


We are primarily agriculture dependent. At our 17 acre plot (location Jupadu
Banglow,Nandikutkur Taluk, Kurnool Dist , AP) using traditional water location
method at least 10 borewells were dug. But there is no water. We had finalised
these spot by traditional ways but there was no water. Please let me know the
non traditional, modern methods and contact number if any.

Waiting for your kind responses.
india

Dear Anita Bhatt,
Greetings!

You can contact Prof.Anuthaman, Centre for Water Resources, Anna University,
Chennai  for your problem.
His contact number: 044/22203279
Mail Id:    nganu@...

with regards,
M.S.K


----- Original Message ----
From: anita bhatt <anitajnu2001@...>
To: rhydrology@yahoogroups.com
Sent: Wednesday, 4 June, 2008 10:26:53 AM
Subject: [rhydrology] Borewell Placement Consultation

We are primarily agriculture dependent. At our 17 acre plot (location Jupadu
Banglow,Nandikutkur Taluk, Kurnool Dist , AP) using traditional water location
method at least 10 borewells were dug. But there is no water. We had finalised
these spot by traditional ways but there was no water. Please let me know the
non traditional, modern methods and contact number if any.

Waiting for your kind responses.
india

We are primarily agriculture dependent. At our 17 acre plot (location Jupadu
Banglow,Nandikutkur Taluk, Kurnool Dist , AP) using traditional water location
method at least 10 borewells were dug. But there is no water. We had finalised
these spot by traditional ways but there was no water. Please let me know the
non traditional, modern methods and contact number if any.

Waiting for your kind responses.
india

please refer to standard booklets reports from indian river valley projects,
central water commission or irrigation and drainage abstracts or refer to iit
published reports. at least, refer to national institute of hydrology, roorkee

Dr. M. K. Khandelwal, Principal Scientist
Central Soil Salinity Research Institute (ICAR)
Regional Research Station
Bharuch 392012 (Gujarat), India
Telefax:+91 2642 225673
Phones: +91 2642 225688 and 225805 (Res)
Mobile: +91 9426861962


--- On Wed, 5/28/08, anita bhatt <anitajnu2001@...> wrote:
From: anita bhatt <anitajnu2001@...>
Subject: [rhydrology] CDM Regulations: Distance Between Runs of Hydroprojects
To: rhydrology@yahoogroups.com
Date: Wednesday, May 28, 2008, 7:45 AM

             Dear Sir/Madam,

   My query is regarding hydro power projects for CDM.   Is there a requirement
for a minimum distance between two run of the river  hydro projects, for both
the projects to be eligible for CDM.

Regards,

Dear Sir/Madam,

   My query is regarding hydro power projects for CDM.   Is there a requirement
for a minimum distance between two run of the river  hydro projects, for both
the projects to be eligible for CDM.

   Regards,

Dear all,

I am working as hydraulic engineer in SMEC iIndia Pvt Ltd.
I have to perform the surge anal;ysis for He.P.P. where Speed rise in turbine is
also needed to be calculated. Can anyone suggest me some code (IS or any other)/
reference to get the formula for speed rise of turbine at time of emergency
closure?
Thanking all in advance

Regards

Kaustubh Sohoni |Asst. Engineer- CIG (Hydro)

SMEC India Pvt. Ltd.
Level 5, Tower C, Building No. 8, DLF Cyber City, Phase II, Gurgaon, INDIA,
122002
p +91 124 4501100/4552800 | Ext - 466 | f +91 124 4380043 | m +91 9891693316

Email kaustubh.sohoni@... | www.smec.com.au
____________________________________________
SMEC SNOWY MOUNTAINS ENGINEERING CORPORATION
High Quality Consulting and Development Solutions
____________________________________________

Good Day !!!

You are invited to join "Yahoo! Groups - archydro" (ArcGIS -
Geographical Information System). This group aims to provide a forum
for exchange of ideas and experiences regarding application of GIS in
Hydrology and Water Resources; and use of ArcGIS software (in
general) and Arc Hydro (in particular).

Geographical Information Systems (GIS) are used to display,
manipulate and analyse spatial (map) data. ArcGIS (produced by ESRI)
is an integrated collection of software products for building a
complete geographic information system (GIS). There are three ArcGIS
desktop applications - ArcCatalog, ArcMap, and ArcToolbox. ArcCatalog
is the application for managing your spatial data holdings, for
managing your database designs, and for recording and viewing
metadata. ArcMap is used for all mapping and editing tasks, as well
as for map-based analysis. ArcToolbox is used for data conversion and
geoprocessing. Using these three applications together, you can
perform any GIS task, simple to advanced, including mapping, data
management, geographic analysis, data editing, and geoprocessing.
There are also server-based ArcGIS products, as well as ArcGIS
products for PDAs. Extensions can be purchased separately to increase
the functionality of ArcGIS.

GIS is a powerful tool for developing solutions for water resources
such as assessing water quality and managing water resources on a
local or regional scale. Hydrologists use GIS technology to integrate
various data and applications into one, manageable system. ArcGIS
with Arc Hydro gives you the flexibility to combine watershed
datasets from one map source with stream and river networks. The
suite of tools contained in Arc Hydro facilitate the creation,
manipulation, and display of hydro features and objects within the
ArcGIS environment. Use ArcGIS Spatial Analyst for hydrologic
analysis such as calculating flow across an elevation surface, which
provides the basis for creating stream networks and watersheds;
calculating flow path length; and assigning stream orders.

To subscribe this group, please send a blank email to
archydro-subscribe@yahoogroups.com

Apologies for cross-postings.

Regards
Kumar

Dear All
I am trying to calculate discharge from a spillway with breast wall. The formula
given by IS 6934 assumes the end contractions on account of piers and abutments
. But most of the text books which give the discharge for small orifice do not
account for the contraction (as it is already taken care for in Cd) . Small
orifice is the one where head over centre (Hc) > (D) Height of orifice.
If we proceed with IS code formula, it gives the erratic nature of rating curve
as Le, decreases with increase in head and hence discharge decreases (Though Hc
is increasing.)

Can anybody throw some light over how to proceed with the calculations?

Thanking all of you in advance

Regards
Kaustubh

[Non-text portions of this message have been removed]

AICTE - ISTE Sponsored  Short Term Training Programme (STTP) On
   HYDROPOWER AND THE ENVIRONMENT
    (June 02 – 06, 2008)
   Coordinators: JYOTHI PRASAD and H J SHIVA PRASAD
    Organised By: Department Of Civil Engineering, COLLEGE OF TECHNOLOGY,
   G B PANT UNIVERSITY OF AGRICULTURE & TECHNOLOGY, PANTNAGAR-263145,
   U S NAGAR DIST, UTTARAKHAND


   IMPORTANT DATES:

   Last date for receipt of Application Forms: 10-05-2008,
   Communication to the Selected candidates: 15-05-2008.
   Confirmation of Participation by the applicant: 20-05-2008
   Course Duration: 02nd-06th June 2008

   ADDRESS FOR COMMUNICATION
    Mrs Jyothi Prasad
   H J Shiva Prasad
   Coordinators, STTP on HE-2008
   Department of Civil Engineering
College of Technology
   G B Pant University of Agri. & Tech.
   PANTNAGAR-263145
   U S Nagar Dist, Uttarakhand State
    Tel:         (05944) 233 338 / 233 491(O)               (05944) 235 682 / 233
731(R)
    Fax:         (05944) 233 338 / 235 682 / 233 473, Mob: 09719245303 /
09410119571

   E-mail: hjs_prasad@... or h.j.s.prasad@... or
sptce@...

   NOTE

   The application form along with the information brochure may also be
downloaded from the websites
   http://he2008.tripod.com
    www.gbpuat.ac.in
   www.gbpuat-tech.ac.in

   OBJECTIVE  As we move into the twenty-first century, global economic
prosperity is driving the consumption of energy to record levels, with
electricity consumption anticipated to increase at rates faster than overall
energy supply. The vast majority (80 per cent) of energy today is provided from
thermal sources, i.e. coal, gas and oil; but there are growing global concerns
regarding the lack of sustainability of these forms of energy that bring into
question their use in a long-term energy strategy. Concerns over disruptive
fossil fuel markets and uncertain pricing, the current decline of nuclear energy
as a viable energy source and the significant environmental consequences of
thermal energy sources have placed greater emphasis on sustainable energy
policies that include the significant development of renewable energy supplies.
   The largest source of renewable energy comes from a proven technology,
hydropower. Hydropower is renewable because it draws its essential energy from
the sun which drives the hydrological cycle which, in turn, provides a
continuous renewable supply of water. Hydropower represents more than 92 percent
of all renewable energy generated, and continues to stand as one of the most
viable sources of new generation into the future. It also provides an option to
store energy, to optimize electricity generation.

   Uttarakhand is rich in natural resources like water and accordingly
hydropower. The inherent technical, economic and environmental benefits of
hydroelectric power make it an important contributor to the future world energy
mix, particularly in the neighboring states. These states have a great and
ever-intensifying need for power and water supplies and they also have greatest
remaining hydro potential. Development is a basic human right, as few would
deny. Energy policy makers must meet their responsibility in exploring the most
rational options for meeting the energy needs of the developing world, while
protecting the environment to the maximum possible extent
      COURSE OUTLINE  ·       Introduction of Hydropower
   ·       Environmental Aspects
   ·       International Experiences
   ·       Environmental Management
   ·       Hydropower Management
   ·       Group Discussion and Interaction
   ·       Hydropower Plant Visits
   ELIGIBILITY
   The course is meant for sponsored young faculty members of Engineering
Colleges/ Technical Universities/ Polytechnics and Other Institutions approved
by the AICTE. Faculty members working in Private / Public / Government
Organizations / Industries, Scientists / Engineers in R&D establishments are
also eligible to apply for participation at a fee of Rs. 2000/- to be paid in
the form of a crossed Demand Draft towards their non- refundable registration
fee, course materials, mid session tea, snacks etc.
   RESOURCE PERSONS  Faculty members from GBPUA&T and the guest resource persons
from other premier Institutions and other reputed Governmental organisations are
invited to deliver lectures.
   ABOUT THE UNIVERSITY
   The G B Pant University of Agriculture and Technology is the first state
agriculture university established in India during the year 1960. It has well
established infrastructures with modern facilities. The university is located at
Pantnagar near to hill station Nainital and is about 250 kms from Delhi by road.
The weather is warmer at Pantnagar during June and stay will be very much
enjoyable in this location, which is rich in flora and fauna.
   The College of Technology is one among the 10 constituent colleges of the
university and imparting technical education with ten departments namely Civil,
Mechanical, Electrical, Electronics and Communication Production, Information
Technology, Computer, Post Harvest Process & Food, Farm Machinery and Power,
Soil and Water Conservation, and Irrigation and Drainage Engineering.
      Course Fee  No course fee will be charged from the faculty members of AICTE
recognized Engineering Colleges / Polytechnics / Institutions.
   A registration fee of Rs. 2000.00 is to be paid by all other participants in
the form of a crossed Demand Draft towards their non- refundable registration
fee, course materials, mid session tea, snacks etc

   MODE OF PAYMENT
   All payments should be made by a crossed demand draft in favour of
“Coordinator, STTP on HE” payable at Pantnagar on Punjab National Bank (PNB Code
No 4446) or State Bank of India, (SBI Code No 1133) or UCO Bank (UCO Code No
0678).

   TA/DA and ACCOMMODATION
   All selected participants from the AICTE recognised Engineering
Colleges/Technical Colleges/Universities/Polytechnics; to and fro journey TA
will be reimbursed by the shortest route as per AICTE-ISTE guidelines.
Arrangement will be made to accommodate all the participants in the IGH
guesthouse on twin sharing basis at University campus and boarding will be
arranged free of charges. No TA/DA will be paid for all other participants.

   PROFORMA FOR APPLICATION
   AICTE – ISTE Short Term Training Programme on
   HYDROPOWER
   AND
   THE ENVIRONMENT
   (June 02 – 06, 2008)
   1. Name (Block Letters):

   2. Name and address of the Institute / College
       /University/Organisation:

   3. Whether the institution is recognized by the
       AICTE:
   YES / NO / NOT APPLICABLE
   4. Branch of Specialisation:

   5. Address for Correspondence:




   E-mail:
   Mobile:
   Fax:
   Tel:

   6. ISTE membership number:
      (If not, spot membership may be made    during the course after paying
requisite fees)

   7. Signature of the Applicant:

   8. Sponsorship Certificate:

   Mr/Ms/Dr_____________an employee of our institute / organization is sponsored
to attend the AICTE-ISTE sponsored STTP on “Hydropower and The Environment”, if
selected.

   Signature
   Name and Designation of sponsoring authority with office seal



H J S Prasad
   Associate Professor,
   Department of Civil Engineering, College of Technology,
G B Pant University of Agriculture & Technology,
PANTNAGAR-263145, Udham Singh Nagar District,
Uttarakhand State, India
   Web:www.gbpuat.ac.in / www.gbpuat-tech.ac.in
Tel:+91-5944-233 731 / 235682 (Resi);233 491(Off);Fax:+91-5944-233 338 / 233 473
(Off)
Mobile:09719245303
E-mail:hjs_prasad@... / h.j.s.prasad@...
Webmail:sptce@...
    


---------------------------------
  Yahoo! for Good helps you make a difference

[Non-text portions of this message have been removed]

Mountains are the origins of the sustainable water resources. Yet
these resources are not fully exploited and substantial portion is
either allowed to flow down to the sea or getting contaminated due to
lack of knowledge. As an effort of the SCIENCE AND ENGINEERING
RESEARCH COUNCIL, DEPARTMENT OF SCIENCE AND TECHNOLOGY, NEW DELHI,
INDIA towards exposing the young scientists and faculty from college
and University and related groundwater department of the hilly
states, a course on "Mountain Hydrology" is scheduled from 21st to
31st May, 2008.

Application for joining the course can be sent by the scientists and
faculties under the age group of 23-32 years, possessing
M.Sc./B.E./B.Tech./M.E./M.Tech./Ph.D. in the related disciplines of
Water Resources/ Hydrology/ Earth Sciences/ Agriculture/ Forestry.
Such interested candidates can forward their application through Head
of the department stating, Full Name, Date of Birth, Qualification,
Mailing Address/ Telephone Nos. and experience to Dr. N. K. Gontia,
Associate Professor, O/o The Director of Research, Junagadh
Agriculture University, Junagadh, Gujarat, India before 20.4.2008.
Same can be mailed at nkgontia@... / nkgontia@... also.
Selected persons would be informed through mail/telephone latest by
30.4.2008. Participants are eligible for TA, lodging and boarding as
per the DST norms.

For any further information, please contact:

Dr. Pradeep K Majumdar
Scientist & Course Director
National Institute of Hydrology
Roorkee - 247667, India

Phone 01332-272906-09 ext 225
Fax 01332-272123
Mobile 09358795854
E-mail: patmajum@..., patmajum@...

or

Dr. Vijay Kumar
Scientist E
National Institute of Hydrology
Roorkee - 247667, India

Phone 01332-272906-09 ext 265
E-mail: viiay@...
Mobile: 9411111939

Dear Friends,
  I am working over a hydropower project in which 2 pressurised tunnels converge
in one at an angle of 45 degrees, with flow ratio .5 (Qb/QT) and diameter ratio
.7 (Db/DT). I want to calculate the Junction loss for this convergence.IS 2951
Part II: 1965 (table 3). does not give the comprehensive picture.
I came to know (thru net ) that there will be different loss in each pipe ? Does
any body has information reg that? Can anybody send me the values suggested by
Millar for the same?
Regards


Kaustubh Sohoni |P.G.Trainee- CIG (Hydro)

SMEC India Pvt. Ltd.
Level 5, Tower C, Building No. 8, DLF Cyber City, Phase II, Gurgaon, INDIA,
122002
p +91 124 4501100/4552800 | Ext - 466 | f +91 124 4380043 | m +91 9891693316

Email kaustubh.sohoni@... | www.smec.com.au
____________________________________________
SMEC SNOWY MOUNTAINS ENGINEERING CORPORATION
High Quality Consulting and Development Solutions
____________________________________________




[Non-text portions of this message have been removed]

Dear Member,

Indian Association of Hydrologists (IAH) was established in year 1977
under the Society registration Act, 1860 of Government of India. Its
aims and objectives are

(a) to advance the study of hydrology and related subjects and
promote their application
(b) to disseminate the knowledge and application in the field
(c) to honour individuals for their pioneering and meritorious
contributio in the field of hydrology by electing them as honorary
life members or inviting them to be patrons of the association.
(d) to publish relevant literature

The association maintains close liaison with the Indian Associations
dealing with the Hydrology and related subjects. The IAH headquarters
is located at National Institute of Hydrology, Roorkee, India.

IAH has been publishing "Hydrology Journal" on quarterly basis since
1980. It is devoted to the publication of scientific papers of
national and international significance in the field of hydrology and
water resources, including the following topics: (i) Hydrologic
design and modelling, (ii) catchment hydrology, (iii) environmental
hydrology, (iv) snow and ice hydrology, (v) field instrumentation,
(vi) groundwater (vii) unsaturated zone processes, (vii) erosion and
sedimentation, (viii) arid and semi-arid hydrology, (ix)
hydrometeorology, (x) geophysical and nuclear applications, (xi)
remote sensing & GIS, (xii) hydrological extremes , and (xiii) water
availability and water balance. The Journal has a wide circulation
covering members from 15 Countries.

Details of membership fee and application form are available at IAH
website http://www.nih.ernet.in/IAH.htm. You are requested to become
a member of the association. For further information, please contact

	 Dr.  S. V. N. Rao
	 Scientist 'F' and Secretary - IAH
	 National Institute of Hydrology
	 Roorkee - 247667 (Uttarakhand)
	 India

	 Email: svnrao@...; shedimbi@...
	 Phone:+91-1332-276416 (Office)
	 Phone:+91-1332-272110 (Resi.)
	 Fax: +91-1332-272123 (Office)

You are also requested to contribute technical papers for "Hydrology
Journal" of IAH. Guidelines to author for preparation of papers are
available at IAH website http://www.nih.ernet.in/IAH.htm . For
further information to submit a paper, please contact

	 Dr. H. Joshi
	 Editor, Hydrology Journal
	 Indian Association of Hydrologists
	 Department of Hydrology
	 Indian Institute of Technology - Roorkee
	 Roorkee – 247667 (Uttarakhand)
	 India

	 Email: joshifhy@...


Regards
Kumar
================================================
C. P. KUMAR
Scientist 'E1'
National Institute of Hydrology
Jal Vigyan Bhawan
Roorkee - 247667 (Uttarakhand)
INDIA

Web Page : http://www.angelfire.com/nh/cpkumar/
================================================
Unfold the Goddess Within:
http://groups.yahoo.com/group/Shambhavi/
================================================

*********************************************************************

From: Dr S.V.N.Rao
To: C. P. Kumar
Sent: Tuesday, February 19, 2008 12:44 PM
Subject: IAH membership

Dear Sh C P Kumar

It is proposed to launch a membership drive to enhance the LM and FM
memberships of IAH. You are requested to convey this through
hydroforum on behalf of Secretary IAH. The readers may download the
required form from our website link to NIH for this purpose.

Dr  S V N Rao
Scientist F and Coordinator (PDS-HP2) and Secretary IAH
National Institute of Hydrology
Govt. of India
Roorkee 247667
India
Email: svnrao@...; shedimbi@...
Phone:+91-1332-276416 (Office)
Phone:+91-1332-272110 (Resi.)
Fax: +91-1332-272123 (Office)
Web: www.nih.ernet.in