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M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 1 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 0 0 0 1 2
0.2 0 1 2 3 4
0.3 0 0 1 1 1
0.4 0 0 0 0 0
0.5 0 0 0 1 1
EM-00-01 - - - Feb. 2005 Feb. 2005
E-00-01 1.11.2000 1.11.2000 Aug. 2004 Aug. 2004 Aug. 2004
E-00-02 1.11.2000 1.11.2000 Aug. 2004 Aug. 2004 Aug. 2004
E-00-03 1.11.2000 1.11.2000 July 2004 July 2004 July 2004
E-00-04 1.11.2000 1.11.2000 1.11.2000 Cancelled Cancelled
E-11-01 1.11.2000 Oct. 2003 Oct. 2003 Oct. 2003 Oct. 2003
E-11-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-11-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-12-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-12-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-15-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-15-02 - - - - Apr. 2005
E-30-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-30-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-30-04 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-30-11 1.11.2000 1.11.2000 1.11.2000 Feb. 2005 Feb. 2005
E-30-12 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 2 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-51-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-51-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-51-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-51-04 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-51-05 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-51-06 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-55-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-04 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-05 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-06 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-07 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-61-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-61-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-61-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-63-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
WSDSS Vol.1 Revision No.
0 1 2 3 4
Effective Date 1.11.2000 26.11.2003 28.9.2004 28.2.2005 29.4.2005
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 3 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 2 2 2 3 3
0.2 5 6 7 8 9
0.3 1 1 2 2 2
0.4 0 0 0 0 0
0.5 1 1 1 2
EM-00-01 Feb. 2005 Feb. 2005 Feb. 2005 Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
E-00-01 Nov. 2005 Nov. 2005 Nov. 2005 Nov. 2005 Nov. 2005
E-00-02 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004
E-00-03 July 2004 July 2004 July 2004 July 2004 July 2004
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-11-01 Oct. 2003 Oct. 2003 Oct. 2003 Oct. 2003 Oct. 2003
E-11-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-11-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-12-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-12-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-15-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-15-02 Apr. 2005 Dec. 2005 Dec. 2005 Dec. 2005 Dec. 2005
E-30-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-30-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 Sep. 2006
E-30-04 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-30-11 Feb. 2005 Feb. 2005 Feb. 2005 Feb. 2005 Feb. 2005
E-30-12 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 4 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-51-01 1.11.2000 1.11.2000 1.11.2000 Jun. 2006 Jun. 2006
E-51-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-51-03 1.11.2000 1.11.2000 1.11.2000 Jun. 2006 Jun. 2006
E-51-04 1.11.2000 1.11.2000 1.11.2000 Jun. 2006 Jun. 2006
E-51-05 1.11.2000 1.11.2000 1.11.2000 Jun. 2006 Jun. 2006
E-51-06 1.11.2000 1.11.2000 1.11.2000 Jun. 2006 Jun. 2006
E-55-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 Aug. 2006
E-60-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-04 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-05 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-06 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-07 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-61-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-61-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-61-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-63-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 Sep. 2006
WSDSS Vol.1 Revision No.
5 6 7 8 9
Effective Date 16.12.2005 31.12.2005 15.3.2006 20.7.2006 15.9.2006
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 5 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 3 3 3 3 4
0.2 10 11 12 13 14
0.3 2 2 2 2 2
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
E-00-01 Nov. 2005 Nov. 2005 Nov. 2005 Nov. 2005 Nov. 2005
E-00-02 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004
E-00-03 July 2004 July 2004 July 2004 Jun. 2007 Jun. 2007
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-11-01 Oct. 2003 Oct. 2003 Oct. 2003 Oct. 2003 Oct. 2003
E-11-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-11-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-12-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 Jul. 2007
E-12-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 Cancelled
E-15-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-15-02 Dec. 2005 Dec. 2005 Dec. 2005 Jun. 2007 Jun. 2007
E-30-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-30-02 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
E-30-04 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
E-30-11 Feb. 2005 Feb. 2005 Feb. 2005 Feb. 2005 Feb. 2005
E-30-12 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 6 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-51-01 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-02 1.11.2000 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006
E-51-03 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-04 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-05 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-06 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-55-01 1.11.2000 1.11.2000 Oct. 2006 Oct. 2006 Oct. 2006
E-60-01 Aug. 2006 Aug. 2006 Aug. 2006 Aug. 2006 Aug. 2006
E-60-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-04 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-05 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-06 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-60-07 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-61-01 1.11.2000 1.11.2000 1.11.2000 1.11.2000 1.11.2000
E-61-02 1.11.2000 1.11.2000 1.11.2000 1.11.2000 Jul. 2007
E-61-03 1.11.2000 1.11.2000 1.11.2000 1.11.2000 Jul. 2007
E-63-01 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
WSDSS Vol.1 Revision No.
10 11 12 13 14
Effective Date 27.9.2006 18.10.2006 17.11.2006 18.6.2007 23.8.2007
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 7 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 4 5 6 7 8
0.2 15 16 17 18 19
0.3 2 2 2 2 2
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
E-00-01 Nov. 2005 Nov. 2005 Nov. 2005 Nov. 2005 Nov. 2005
E-00-02 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004
E-00-03 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-11-01 Oct. 2003 Oct. 2003 Oct. 2003 Oct. 2003 Oct. 2003
E-11-02 1.11.2000 1.11.2000 1.11.2000 Mar. 2008 Mar. 2008
E-11-03 1.11.2000 1.11.2000 1.11.2000 Apr. 2008 Apr. 2008
E-12-01 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 1.11.2000 1.11.2000 Suspended Suspended Suspended
E-15-02 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007
E-30-01 1.11.2000 1.11.2000 1.11.2000 Apr. 2008 Apr. 2008
E-30-02 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
E-30-04 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
E-30-11 Feb. 2005 Feb. 2005 Feb. 2005 Feb. 2005 Feb. 2005
E-30-12 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 8 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-51-01 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-02 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006
E-51-03 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-04 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-05 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-06 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-55-01 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006
E-60-01 Aug. 2006 Aug. 2006 Aug. 2006 Aug. 2006 Aug. 2006
E-60-02 1.11.2000 Cancelled Cancelled Cancelled Cancelled
E-60-03 1.11.2000 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007
E-60-04 1.11.2000 1.11.2000 Temporary Suspended
Temporary Suspended
Sep. 2008
E-60-05 1.11.2000 1.11.2000 Temporary Suspended
Temporary Suspended
Sep. 2008
E-60-06 1.11.2000 1.11.2000 Suspended Suspended Sep. 2008
E-60-07 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007
E-61-01 1.11.2000 1.11.2000 1.11.2000 Suspended Suspended
E-61-02 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-61-03 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-63-01 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
WSDSS Vol.1 Revision No.
15 16 17 18 19
Effective Date 18.10.2007 20.12.2007 28.3.2008 30.4.2008 19.9.2008
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page : 9 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 8 8 8 9 10
0.2 20 21 22 23 24
0.3 3 3 3 3 3
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
E-00-01 Nov. 2005 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010
E-00-02 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004
E-00-03 Jun. 2007 Jun. 2007 Jun. 2007 Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-11-01 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009
E-11-02 Mar. 2008 Mar. 2008 Mar. 2008 Mar. 2008 Mar. 2008
E-11-03 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008
E-12-01 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 Suspended Suspended Suspended Suspended Suspended
E-15-02 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007
E-30-01 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008
E-30-02 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
E-30-04 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :10 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-30-11 Feb. 2005 Feb. 2005 Oct. 2010 Oct. 2010 Oct. 2010
E-30-12 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Aug. 2011
E-51-01 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-02 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006
E-51-03 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-04 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-05 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-06 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-55-01 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006
E-60-01 Aug. 2006 Aug. 2006 Aug. 2006 Aug. 2006 Aug. 2011
E-60-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-60-03 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007
E-60-04 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-05 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-06 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-07 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007
E-61-01 Suspended Suspended Suspended Suspended Suspended
E-61-02 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-61-03 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-63-01 Sep. 2006 Sep. 2006 Sep. 2006 Sep. 2006 Cancelled
WSDSS Vol.1 Revision No.
20 21 22 23 24
Effective Date 29.9.2009 19.3.2010 27.10.2010 8.7.2011 6.9.2011
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :11 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 11 11 11 11 11
0.2 25 26 27 28 29
0.3 3 3 4 4 4
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
Transferred to WSDSS
Vol. 4
E-00-01 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010
E-00-02 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004 Aug. 2004
E-00-03 Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-11-01 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009
E-11-02 Mar. 2008 Mar. 2008 Mar. 2008 Mar. 2008 Mar. 2008
E-11-03 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008
E-12-01 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-15-02 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007
E-30-01 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008
E-30-02 Sep. 2006 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011
E-30-04 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :12 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-30-11 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010
E-30-12 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-51-01 Jun. 2006 Jun. 2006 Jun. 2006 Apr. 2012 Apr. 2012
E-51-02 Oct. 2006 Oct. 2006 Dec. 2011 Dec. 2011 Dec. 2011
E-51-03 Jun. 2006 Jun. 2006 Jun. 2006 Apr. 2012 Apr. 2012
E-51-04 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 May 2012
E-51-05 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-51-06 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006 Jun. 2006
E-55-01 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006 Oct. 2006
E-60-01 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-60-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-60-03 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007
E-60-04 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-05 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-06 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-07 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007
E-61-01 Suspended Suspended Suspended Suspended Suspended
E-61-02 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-61-03 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-63-01 Cancelled Cancelled Cancelled Cancelled Cancelled
WSDSS Vol.1 Revision No.
25 26 27 28 29
Effective Date 10.10.2011 16.11.2011 23.12.2011 19.4.2012 11.5.2012
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :13 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 12 13 14 14 14
0.2 30 31 32 33 34
0.3 4 4 4 4 4
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
E-00-01 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010
E-00-02 Aug. 2004 Aug. 2004 Oct. 2012 Oct. 2012 Oct. 2012
E-00-03 Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-00-05 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012
E-11-01 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009
E-11-02 Mar. 2008 Mar. 2008 Mar. 2008 Mar. 2008 Mar. 2008
E-11-03 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008
E-12-01 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-15-02 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007
E-30-01 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008
E-30-02 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011
E-30-04 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :14 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-30-11 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010
E-30-12 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-51-01 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012
E-51-02 Dec. 2011 Dec. 2011 Dec. 2011 Dec. 2011 Dec. 2011
E-51-03 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012
E-51-04 May 2012 May 2012 May 2012 May 2012 May 2012
E-51-05 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012
E-51-06 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012
E-55-01 Oct. 2006 Oct. 2006 Oct. 2006 Apr. 2013 Apr. 2013
E-60-01 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-60-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-60-03 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007
E-60-04 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-05 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 May 2013
E-60-06 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-07 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007
E-61-01 Suspended Suspended Suspended Suspended Suspended
E-61-02 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-61-03 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-63-01 Cancelled Cancelled Cancelled Cancelled Cancelled
WSDSS Vol.1 Revision No.
30 31 32 33 34
Effective Date 5.6.2012 26.7.2012 17.10.2012 30.4.2013 24.5.2013
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :15 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 14 15 15 15 15
0.2 35 36 37 38 39
0.3 4 4 4 4 4
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
E-00-01 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010
E-00-02 Oct. 2012 Oct. 2012 Oct. 2012 Oct. 2012 Oct. 2012
E-00-03 Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-00-05 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012
E-11-01 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009
E-11-02 Mar. 2008 Mar. 2008 Mar. 2008 Mar. 2008 Mar. 2008
E-11-03 Apr. 2008 Apr. 2008 Apr. 2008 Apr. 2008 May 2014
E-11-04 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013
E-12-01 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-15-02 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007
E-30-01 Apr. 2008 Apr. 2008 Apr. 2008 Mar. 2014 Mar. 2014
E-30-02 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :16 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-30-04 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-30-11 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010
E-30-12 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-51-01 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012
E-51-02 Dec. 2011 Dec. 2011 Dec. 2011 Dec. 2011 Dec. 2011
E-51-03 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012
E-51-04 May 2012 May 2012 May 2012 May 2012 May 2012
E-51-05 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012
E-51-06 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012
E-55-01 Apr. 2013 Apr. 2013 Feb. 2014 Feb. 2014 Feb. 2014
E-60-01 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-60-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-60-03 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007 Dec. 2007
E-60-04 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-05 May 2013 May 2013 May 2013 May 2013 May 2013
E-60-06 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-07 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007
E-61-01 Suspended Suspended Suspended Suspended Suspended
E-61-02 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-61-03 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007 Jul. 2007
E-63-01 Cancelled Cancelled Cancelled Cancelled Cancelled
WSDSS Vol.1 Revision No.
35 36 37 38 39
Effective Date 23.10.2013 2.1.2014 7.2.2014 14.3.2014 28.5.2014
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :17 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 15 15 15 15 15
0.2 40 41 42 43 44
0.3 4 4 4 4 4
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
E-00-01 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010 Feb. 2010
E-00-02 Oct. 2012 Oct. 2012 Oct. 2012 Dec. 2014 Dec. 2014
E-00-03 Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-00-05 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012
E-11-01 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009
E-11-02 Jul. 2014 Jul. 2014 Jul. 2014 Jul. 2014 Jul. 2014
E-11-03 May 2014 May 2014 May 2014 May 2014 May 2014
E-11-04 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013
E-12-01 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-15-02 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007
E-30-01 Mar. 2014 Mar. 2014 Mar. 2014 Mar. 2014 Mar. 2014
E-30-02 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :18 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-30-04 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-30-11 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010
E-30-12 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-51-01 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012
E-51-02 Dec. 2011 Dec. 2011 Dec. 2011 Dec. 2011 Dec. 2011
E-51-03 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012
E-51-04 May 2012 May 2012 May 2012 May 2012 May 2012
E-51-05 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012
E-51-06 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012
E-55-01 Feb. 2014 Feb. 2014 Feb. 2014 Feb. 2014 Feb. 2014
E-60-01 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-60-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-60-03 Dec. 2007 Dec. 2007 Nov. 2014 Nov. 2014 Nov. 2014
E-60-04 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-05 May 2013 May 2013 May 2013 May 2013 May 2013
E-60-06 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008 Sep. 2008
E-60-07 Sep. 2007 Sep. 2007 Sep. 2007 Sep. 2007 Jan. 2015
E-61-01 Suspended Suspended Suspended Suspended Suspended
E-61-02 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-61-03 Jul. 2007 Sep. 2014 Sep. 2014 Sep. 2014 Sep. 2014
E-63-01 Cancelled Cancelled Cancelled Cancelled Cancelled
WSDSS Vol.1 Revision No.
40 41 42 43 44
Effective Date 31.7.2014 24.9.2014 19.11.2014 5.1.2015 3.2.2015
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :19 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 15 15 15 15 15
0.2 45 46 47 48 49
0.3 4 4 4 4 4
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
E-00-01 Mar. 2015 Mar. 2015 Mar. 2015 Mar. 2015 Mar. 2015
E-00-02 Dec. 2014 Dec. 2014 Dec. 2014 Dec. 2014 Dec. 2014
E-00-03 Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-00-05 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012
E-11-01 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009 Sep. 2009
E-11-02 Jul. 2014 Jul. 2014 Jul. 2014 Jul. 2014 Jul. 2014
E-11-03 May 2014 May 2014 May 2014 May 2014 May 2014
E-11-04 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013
E-12-01 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-15-02 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007 Jun. 2007
E-30-01 Mar. 2014 Mar. 2014 Mar. 2014 Mar. 2014 Mar. 2014
E-30-02 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :20 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-30-04 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-30-11 Oct. 2010 Oct. 2010 Oct. 2010 Oct. 2010 Feb. 2016
E-30-12 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-51-01 Apr. 2012 Apr. 2012 Apr. 2012 Sep. 2015 Sep. 2015
E-51-02 Dec. 2011 Dec. 2011 Dec. 2011 Dec. 2011 Dec. 2011
E-51-03 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012 Apr. 2012
E-51-04 May 2012 May 2012 May 2012 May 2012 May 2012
E-51-05 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012
E-51-06 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012
E-55-01 Feb. 2014 Feb. 2014 Feb. 2014 Feb. 2014 Feb. 2014
E-60-01 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-60-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-60-03 Nov. 2014 Nov. 2014 Nov. 2014 Nov. 2014 Nov. 2014
E-60-04 Sep. 2008 Apr. 2015 Apr. 2015 Apr. 2015 Apr. 2015
E-60-05 May 2013 May 2013 May 2013 May 2013 May 2013
E-60-06 Sep. 2008 Sep. 2008 May 2015 May 2015 May 2015
E-60-07 Jan. 2015 Jan. 2015 Jan. 2015 Jan. 2015 Jan. 2015
E-61-01 Suspended Suspended Suspended Suspended Suspended
E-61-02 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-61-03 Sep. 2014 Sep. 2014 Sep. 2014 Sep. 2014 Sep. 2014
E-63-01 Cancelled Cancelled Cancelled Cancelled Cancelled
WSDSS Vol.1 Revision No.
45 46 47 48 49
Effective Date 26.3.2015 15.4.2015 29.5.2015 30.9.2015 18.2.2016
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :21 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 15 15 15 15 15
0.2 50 51 52 53 54
0.3 4 4 4 4 4
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
E-00-01 Mar. 2015 Mar. 2015 Mar. 2015 Mar. 2015 Mar. 2015
E-00-02 Dec. 2014 Dec. 2014 Dec. 2014 Dec. 2014 Dec. 2014
E-00-03 Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-00-05 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012 Jul. 2012
E-11-01 Sep. 2009 Feb. 2017 Feb. 2017 Feb. 2017 Feb. 2017
E-11-02 Jul. 2014 Jul. 2014 Jul. 2014 Jul. 2014 Jul. 2014
E-11-03 May 2014 May 2014 May 2014 May 2014 May 2014
E-11-04 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013
E-12-01 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-15-02 Jun. 2007 Jun. 2007 Jun. 2007 Jul. 2017 Jul. 2017
E-30-01 Mar. 2014 Mar. 2014 Mar. 2014 Mar. 2014 Mar. 2014
E-30-02 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :22 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-30-04 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-30-11 Feb. 2016 Feb. 2016 Feb. 2016 Feb. 2016 Feb. 2016
E-30-12 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-51-01 Sep. 2015 Sep. 2015 Jul. 2017 Jul. 2017 Jul. 2017
E-51-02 Dec. 2016 Dec. 2016 Dec. 2016 Dec. 2016 Dec. 2016
E-51-03 Apr. 2012 Apr. 2012 Jun. 2017 Jun. 2017 Jun. 2017
E-51-04 May 2012 May 2012 May 2012 Aug. 2017 Aug. 2017
E-51-05 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Sep. 2017
E-51-06 Jun. 2012 Jun. 2012 Jun. 2012 Jun. 2012 Sep. 2017
E-55-01 Feb. 2014 Feb. 2014 Feb. 2014 Feb. 2014 Feb. 2014
E-60-01 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-60-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-60-03 Nov. 2014 Nov. 2014 Nov. 2014 Nov. 2014 Nov. 2014
E-60-04 Apr. 2015 Apr. 2015 Apr. 2015 Apr. 2015 Apr. 2015
E-60-05 May 2013 May 2013 May 2013 May 2013 May 2013
E-60-06 May 2015 May 2015 May 2015 May 2015 May 2015
E-60-07 Jan. 2015 Jan. 2015 Jan. 2015 Jan. 2015 Jan. 2015
E-61-01 Suspended Suspended Suspended Suspended Suspended
E-61-02 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-61-03 Sep. 2014 Sep. 2014 Sep. 2014 Sep. 2014 Sep. 2014
E-63-01 Cancelled Cancelled Cancelled Cancelled Cancelled
WSDSS Vol.1 Revision No.
50 51 52 53 54
Effective Date 21.12.2016 22.02.2017 07.07.2017 04.08.2017 28.09.2017
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :23 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
0.1 15 15 15 15 15
0.2 55 56 57 58 59
0.3 4 4 4 4 4
0.4 0 0 0 0 0
0.5
EM-00-01 Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
Transferred to
WSDSS Vol. 4
E-00-01 Mar. 2015 Mar. 2015 Mar. 2015 Mar. 2015 Mar. 2015
E-00-02 Dec. 2014 Dec. 2014 Dec. 2014 Dec. 2014 Dec. 2014
E-00-03 Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
Renamed as
EM-00-03 and
transferred to
WSDSS Vol. 4
E-00-04 Cancelled Cancelled Cancelled Cancelled Cancelled
E-00-05 Jul. 2012 Jul. 2012 Apr. 2019 Apr. 2019 Apr. 2019
E-11-01 Feb. 2017 Feb. 2017 Feb. 2017 Feb. 2017 Feb. 2017
E-11-02 Jul. 2014 Jul. 2014 Jul. 2014 Jul. 2014 Jul. 2014
E-11-03 May 2014 May 2014 May 2014 May 2014 May 2014
E-11-04 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013 Dec. 2013
E-12-01 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-12-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-15-01 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-15-02 Jul. 2017 Jul. 2017 Jul. 2017 Jul. 2017 Jun. 2021
E-30-01 Mar. 2014 Mar. 2014 Mar. 2014 Mar. 2014 Mar. 2014
E-30-02 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011 Nov. 2011
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :24 of 25 Chapter 0.2 : Revision Sheet
Index Number Revision
E-30-04 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011 Sep. 2011
E-30-11 Feb. 2016 Feb. 2016 Feb. 2016 Feb. 2016 Feb. 2016
E-30-12 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011 Aug. 2011
E-51-01 Jul. 2017 Jul. 2017 Jul. 2017 Jul. 2017 Jul. 2017
E-51-02 Dec. 2016 Dec. 2016 Dec. 2016 Dec. 2016 Dec. 2016
E-51-03 Jun. 2017 Jun. 2017 Jun. 2017 Jun. 2017 Jun. 2017
E-51-04 Aug. 2017 Aug. 2017 Aug. 2017 Jun. 2021 Jun. 2021
E-51-05 Sep. 2017 Sep. 2017 Sep. 2017 Sep. 2017 Sep. 2017
E-51-06 Sep. 2017 Sep. 2017 Sep. 2017 Sep. 2017 Sep. 2017
E-55-01 Feb. 2014 Mar. 2019 Mar. 2019 Mar. 2019 Mar. 2019
E-60-01 Jan. 2019 Jan. 2019 Jan. 2019 Jan. 2019 Jan. 2019
E-60-02 Cancelled Cancelled Cancelled Cancelled Cancelled
E-60-03 Nov. 2014 Nov. 2014 Nov. 2014 Nov. 2014 Nov. 2014
E-60-04 Apr. 2015 Apr. 2015 Apr. 2015 Apr. 2015 Apr. 2015
E-60-05 May 2013 May 2013 May 2013 May 2013 May 2013
E-60-06 May 2015 May 2015 May 2015 May 2015 May 2015
E-60-07 Jan. 2015 Jan. 2015 Jan. 2015 Jan. 2015 Jan. 2015
E-61-01 Suspended Suspended Suspended Suspended Suspended
E-61-02 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013 Oct. 2013
E-61-03 Sep. 2014 Sep. 2014 Sep. 2014 Sep. 2014 Sep. 2014
E-63-01 Cancelled Cancelled Cancelled Cancelled Cancelled
WSDSS Vol.1 Revision No.
55 56 57 58 59
Effective Date 18.02.2019 29.03.2019 12.04.2019 28.06.2021 05.07.2021
M&E Projects Division Water Supplies Department
WSDSS Vol.1 Chapter : 0.2 Chapter Revision : 59
Page :25 of 25 The change summary of the WSDSS Vol. 1 is approved by the Management Representative and filed in the Document Control Centre.
