Greenpower Kenya - Kirangurwe site - Revision history

Michel andre at 11:24, 8 April 2015

2015-04-08T11:24:42Z

Ranisha at 14:02, 16 July 2014

2014-07-16T14:02:02Z

Wiki Gardener at 14:32, 25 July 2013

2013-07-25T14:32:42Z

Robert at 13:24, 26 August 2011

2011-08-26T13:24:46Z

Intern at 08:51, 7 June 2010

2010-06-07T08:51:14Z

JanS at 16:22, 10 August 2009

2009-08-10T16:22:55Z

JanS at 16:40, 26 May 2009

2009-05-26T16:40:30Z

Michel andre at 19:27, 19 May 2009

2009-05-19T19:27:28Z

Michel andre at 19:20, 19 May 2009

2009-05-19T19:20:13Z

Michel andre at 19:19, 19 May 2009

2009-05-19T19:19:36Z

@@ Line 1: / Line 1: @@
-= Overview =
+= Overview<br/> =
-During the 1st EnDev East Africa Micro Hydro Workshop a field visit was done to see the Greenpower Project Kirangurwe near Mount Kenya.<br/>
+During the 1st EnDev East Africa Micro Hydro Workshop which was held in 2009 a field visit was done to see the Greenpower Project Kirangurwe near Mount Kenya.<br/>
 <br/>
@@ Line 19: / Line 19: @@
 '''Civil works: water intake: no trash rack installed'''
 *trash rack is required to prevent debris transported by the water flow entering the turbine(s)
 *gate for flushing sediments just in front the forebay not installed
@@ Line 24: / Line 25: @@
 <br/>'''Mechanical works: tubular poles (for transmission lines)'''
 *no fixing points for grounding/earthing (protection) are provided. They are necessary in case live conductors (under tension) are in contact with metal parts of the distribution system to prevent danger for human beings and the system when connected to the grounding/earthing system
 *the same risk applies due to missing spring- or feather-rings at the turbine/gen-set
@@ Line 34: / Line 36: @@
 '''Catchment area:'''
 *a catchment area is an essential part of a (mini) hydro scheme. Due to the retention function as a kind of water reservoir for a more or less steady water flow towards the reservoir and intake it must be maintained carefully. No tree-cutting is allowed under any circumstances in the catchment area.
 *it is to be ensured, that appropriate trees are planted which are unavoidable for water retention purposes; eucalyptus trees are not appropriate as their water demand is excessive and may “steal” water required for electricity generation by the turbine(s)
@@ Line 57: / Line 60: @@
 <references />
 [[Category:Kenya]]

@@ Line 4: / Line 4: @@
 During the 1st EnDev East Africa Micro Hydro Workshop a field visit was done to see the Greenpower Project Kirangurwe near Mount Kenya.<br/>
+<br/>
 = Video of the Turbine Arriving at Kirangurwe =
 During the field visit the turbine arrived.
 -> You can see a youtube video about this exiting event at [http://www.youtube.com/watch?v=1mxXjmYIXQw Kirangurwe turbine video].<br/><br/>
@@ Line 25: / Line 25: @@
 <br/>'''Mechanical works: tubular poles (for transmission lines)'''
 *no fixing points for grounding/earthing (protection) are provided. They are necessary in case live conductors (under tension) are in contact with metal parts of the distribution system to prevent danger for human beings and the system when connected to the grounding/earthing system
 *the same risk applies due to missing spring- or feather-rings at the turbine/gen-set
 *welding points on screws for fixing the distribution-line insulators on the tubular poles not galvanized
 *no earthing bars and respective outlets could be detected in the foundation of the power house where metal parts of the turbine/gen-set and other metal parts or housings have to be connected
@@ Line 49: / Line 49: @@
 *[http://gpower-africa.org/F_End/Projects.asp Website GPOWER: gpower-africa.org]<br/>
+<br/>
 = References =
@@ Line 56: / Line 57: @@
 <references />
 [[Category:Hydro]]

@@ Line 1: / Line 1: @@
-= Video of the turbine arriving at Kirangurwe  =
+= Overview =
-During the field visit the turbine arrived. You can see a youtube video about this exiting event at [http://www.youtube.com/watch?v=1mxXjmYIXQw Kirangurwe turbine video]. <br><br>
+During the 1st EnDev East Africa Micro Hydro Workshop a field visit was done to see the Greenpower Project Kirangurwe near Mount Kenya.<br/>
-= Experts observations and recommendations to the project developers  =
+= Video of the Turbine Arriving at Kirangurwe =
-The field trip was accompanied by serval Micro Hydro Experts. There impressions of the project site and setup were share in a expert panel discussion. Here is a summary of their statements:
+During the field visit the turbine arrived.
-== <br>'''''PE:'''''  ==
+-> You can see a youtube video about this exiting event at [http://www.youtube.com/watch?v=1mxXjmYIXQw Kirangurwe turbine video].<br/><br/>
-'''Civil works: water intake: no trash rack installed'''
+= Experts Observations and Recommendations to the Project Developers =
-*trash rack is required to prevent debris transported by the water flow entering the turbine(s)
+The field trip was accompanied by serval Micro Hydro Experts. There impressions of the project site and setup were share in a expert panel discussion. Here is a summary of their statements:
-*gate for flushing sediments just in front the forebay not installed
-*no provision made for taking out debris from the reservoir nor from the forebay
-<br>'''Mechanical works: tubular poles (for transmission lines)'''
+== <br/>PE ==
-*no fixing points for grounding/earthing (protection) are provided. They are necessary in case live conductors (under tension) are in contact with metal parts of the distribution system to prevent danger for human beings and the system when connected to the grounding/earthing system
+'''Civil works: water intake: no trash rack installed'''
-*the same risk applies due to missing spring- or feather-rings at the turbine/gen-set&nbsp;
+*trash rack is required to prevent debris transported by the water flow entering the turbine(s)
-*welding points on screws for fixing the distribution-line insulators on the tubular poles not galvanized
+*gate for flushing sediments just in front the forebay not installed
-*no earthing bars and respective outlets could be detected in the foundation of the power house where metal parts of the turbine/gen-set and other metal parts or housings have to be connected
+*no provision made for taking out debris from the reservoir nor from the forebay
 *the frame of and the front doors themselves of the turbine hall is not provided with connection possibility for the grounding/earthing system
 *the frame for the turbine/gen-set in the turbine hall has not been anchored with bolds into the concrete foundation; due to vibrations during operation loosening of the frame seems likely
-<br>
+<br/>
 '''Catchment area:'''
 *a catchment area is an essential part of a (mini) hydro scheme. Due to the retention function as a kind of water reservoir for a more or less steady water flow towards the reservoir and intake it must be maintained carefully. No tree-cutting is allowed under any circumstances in the catchment area.
 *a catchment area is an essential part of a (mini) hydro scheme. Due to the retention function as a kind of water reservoir for a more or less steady water flow towards the reservoir and intake it must be maintained carefully. No tree-cutting is allowed under any circumstances in the catchment area.
 *it is to be ensured, that appropriate trees are planted which are unavoidable for water retention purposes; eucalyptus trees are not appropriate as their water demand is excessive and may “steal” water required for electricity generation by the turbine(s)
-<br>
+<br/>
-== <br>'''''MP:'''''  ==
+== MP ==
 *GreenPower's institutional arrangement is a key potential problem area in the implementation of the project. In particular the complexity of the set-up is likely to cause problems.
 *It is important that GreenPower remain as flexible as possible with regard to insitutional arrangements, adapting thier set-up according to local needs, preferences and realities.
-<br>
+<br/>
-= Link to GPower Webpage  =
+= References =
-http://gpower-africa.org/F_End/Projects.asp <br>
+<references />
-[[Category:Hydro]] [[Category:Kenya]]
+[[Category:Kenya]]

← Older revision		Revision as of 13:24, 26 August 2011
Line 47:		Line 47:

	== GF: ==		== GF: ==
−
−	~~[[Image:Observations during field visits gf v01.pdf]]Observations made during field visists<br>~~

	= Link to GPower Webpage =		= Link to GPower Webpage =

@@ Line 1: / Line 1: @@
 During the 1st EnDev East Africa Micro Hydro Workshop a field visit was done to see the Greenpower Project Kirangurwe near Mount Kenya. <br>
 = Video of the turbine arriving at Kirangurwe  =
 During the field visit the turbine arrived. You can see a youtube video about this exiting event at [http://www.youtube.com/watch?v=1mxXjmYIXQw Kirangurwe turbine video]. <br><br>
 <br>
 <br>
 = Experts observations and recommendations to the project developers  =
@@ Line 13: / Line 13: @@
 The field trip was accompanied by serval Micro Hydro Experts. There impressions of the project site and setup were share in a expert panel discussion. Here is a summary of their statements:
-== <br> '''''PE:'''''  ==
+== <br>'''''PE:'''''  ==
 '''Civil works: water intake: no trash rack installed'''
@@ Line 21: / Line 21: @@
 *no provision made for taking out debris from the reservoir nor from the forebay
-<br> '''Mechanical works: tubular poles (for transmission lines) '''
+<br>'''Mechanical works: tubular poles (for transmission lines)'''
 *no fixing points for grounding/earthing (protection) are provided. They are necessary in case live conductors (under tension) are in contact with metal parts of the distribution system to prevent danger for human beings and the system when connected to the grounding/earthing system
@@ Line 30: / Line 30: @@
 *the frame for the turbine/gen-set in the turbine hall has not been anchored with bolds into the concrete foundation; due to vibrations during operation loosening of the frame seems likely
 <br>
 '''Catchment area:'''
@@ Line 37: / Line 37: @@
 *it is to be ensured, that appropriate trees are planted which are unavoidable for water retention purposes; eucalyptus trees are not appropriate as their water demand is excessive and may “steal” water required for electricity generation by the turbine(s)
 <br>
-== <br> '''''MP:'''''  ==
+== <br>'''''MP:'''''  ==
 *GreenPower's institutional arrangement is a key potential problem area in the implementation of the project. In particular the complexity of the set-up is likely to cause problems.
 *It is important that GreenPower remain as flexible as possible with regard to insitutional arrangements, adapting thier set-up according to local needs, preferences and realities.
 <br>
 == GF:  ==
-<br>
+[[Image:Observations during field visits gf v01.pdf]]Observations made during field visists<br>
-−
-Download the PDF document on [http://www.endev.info/index.php?option=com_docman&task=doc_download&gid=396 Observations made during field visists]<br>
 = Link to GPower Webpage  =
@@ Line 56: / Line 54: @@
 http://gpower-africa.org/F_End/Projects.asp <br>
-[[Category:Hydro]]
+[[Category:Hydro]] [[Category:Kenya]]
 [[Category:Kenya]]

@@ Line 14: / Line 14: @@
 The field trip was accompanied by serval Micro Hydro Experts. There impressions of the project site and setup were share in a expert panel discussion. Here is a summary of their statements:
-<br>
+<br> '''PE:'''
 PE:
--	Civil works: water intake: no trash rack installed
+'''Civil works: water intake: no trash rack installed'''
-		- trash rack is required to prevent debris transported by the water flow 		entering the turbine(s)
-		- gate for flushing sediments just in front the forebay not installed
-		- no provision made for taking out debris from the reservoir nor from 		the forebay
--	Mechanical works: tubular poles (for transmission lines)
+<br> Mechanical works: tubular poles (for transmission lines)
-		- no fixing points for grounding/earthing (protection) are provided.
-		They are necessary in case live conductors (under tension) are in 		contact with metal parts of the distribution system to prevent danger for 		human beings and the system when connected to the 				grounding/earthing system
-		- the same risk applies due to missing spring- or feather-rings at the 		turbine/gen-set
-		- welding points on screws for fixing the distribution-line insulators on 		the tubular poles not galvanized
-		- no earthing bars and respective outlets could be detected in the 		foundation of the power house where metal parts of the turbine/gen-set 		and other metal parts or housings have to be connected
-		- the frame of and the front doors themselves of the turbine hall is not 		provided with connection possibility for the grounding/earthing system
-		- the frame for the turbine/gen-set in the turbine hall has not been 		anchored with bolds into the concrete foundation; due to vibrations 		during operation loosening of the frame seems likely
-*Catchment area:
+<br>
-		** a catchment area is an essential part of a (mini) hydro scheme. Due 		to the retention function as a kind of water reservoir for a more or less 		steady water flow towards the reservoir and intake it must be 			maintained carefully. No tree-cutting is allowed under any 				circumstances in the catchment area.
-		- it is to be ensured, that appropriate trees are planted which are 			unavoidable for water retention purposes; eucalyptus trees are not 		appropriate as their water demand is excessive and may “steal” water 		required for electricity generation by the turbine(s)
-−
-<br> MP:
+*a catchment area is an essential part of a (mini) hydro scheme. Due to the retention function as a kind of water reservoir for a more or less steady water flow towards the reservoir and intake it must be maintained carefully. No tree-cutting is allowed under any circumstances in the catchment area.
 *GreenPower's institutional arrangement is a key potential problem area in the implementation of the project. In particular the complexity of the set-up is likely to cause problems.
@@ Line 46: / Line 47: @@
 <br>
 <br>
 = Link to GPower Webpage  =
 http://gpower-africa.org/F_End/Projects.asp <br>