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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
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PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
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lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
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lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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ru5
hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
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flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
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coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
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lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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Page 17 of 35
18 of 35
2
$S~
~rI~jR (Butterfly
ru5
hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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-Shaft self lubricating type with EPDM
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EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
PN10 drilling
Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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-Shaft self lubricating type with EPDM
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EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
$S~
~rI~jR (Butterfly
ru5
hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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-Shaft self lubricating type with EPDM
Oring
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EN 5932004 ~I B 2064 DIN
15632004
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lining EPDM rubber bonded to body
mechanismby
PN10 drilling
Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
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coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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Oring
-The shall comply with EN 1092-2
EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
PN10 drilling
Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
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flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
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coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
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lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
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hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
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lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
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18 of 35
2
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-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
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flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
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coated
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by
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EN 5932004 ~I B 2064 DIN
15632004
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lining EPDM rubber bonded to body
mechanismby
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Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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18 of 35
2
$S~
~rI~jR (Butterfly
ru5
hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
-Internal body lining EPDM rlrlnrlorl to body
by
-Shaft and spindle Stainless 14057
-Shaft self lubricating type with EPDM
Oring
-The shall comply with EN 1092-2
EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
PN10 drilling
Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
rgtm 19 fJ t2 Jl
~~Grum tM S3eGn5sectI~isectfiS~mS~
Page 21 0135
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-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
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Page 17 of 35
18 of 35
2
$S~
~rI~jR (Butterfly
ru5
hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
-Internal body lining EPDM rlrlnrlorl to body
by
-Shaft and spindle Stainless 14057
-Shaft self lubricating type with EPDM
Oring
-The shall comply with EN 1092-2
EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
PN10 drilling
Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
rgtm 19 fJ t2 Jl
~~Grum tM S3eGn5sectI~isectfiS~mS~
Page 21 0135
--- - --------------------------- --
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
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2
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ru5
hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
-Internal body lining EPDM rlrlnrlorl to body
by
-Shaft and spindle Stainless 14057
-Shaft self lubricating type with EPDM
Oring
-The shall comply with EN 1092-2
EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
PN10 drilling
Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Page 21 0135
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Page 31 of 35
32 of 35 ~
-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
e1 A 90- G ffi ampis LSi isampiSru SiS
a e1 el
S ampiSisectSiG~mG~ ~poundiLsSi~
Page 34 0135
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~rI~jR (Butterfly
ru5
hB~n 350mm
-Shaft and gear spindle 14057
-Shaft self lubricating with EPDM
Oring
flanges shall comply with BS EN 1092-2
PN10 drilling
Refer to attached drawing 1
f1 ssectn n (Butterfly Valve) g 500mm
EN 5932004 B 2064 DIN
or ISO 5752
-Body and Ductile Iron to 15632004
-Disc Steel or Ductile Iron with Rilsan
coated
-Internal body lining EPDM rlrlnrlorl to body
by
-Shaft and spindle Stainless 14057
-Shaft self lubricating type with EPDM
Oring
-The shall comply with EN 1092-2
EN 5932004 ~I B 2064 DIN
15632004
Steel or Iron Rilsan
lining EPDM rubber bonded to body
mechanismby
PN10 drilling
Refer to ltlTTltlInCl(l drawing 2
Page 19 of 35
1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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1 Standard Specification References
In case where no particular specification is given ISO standards are to apply
The following standards are referred to
ISO 2230-1973 Vulcanized Rubber - Guide to Storage ISO 2531-1991 Ductile Iron Pipe Fittings and Accessories for Pressure Pipelines ISO 4179-1985 Ductile Iron Pipe for Pressure and Non-Pressure Pipelines - Centrifugal
Cement Mortar Lining - General Requirements ISO 4633-1983 Rubber Seals - Joint Rings for Water Supply Drainage and Sewerage
Pipelines - Specification for Materials ISO 5256 Steel Pipes and Fittings for Buried or Submerged Pipe Lines - External
and Internal Coating by Bitumen or Coal Tar Derived ISO 5752-1982 Metal Valves for Use in Flanged Pipe Systems - Face to Face and
Center-to-Face Dimensions ISO 7005-2 1988 Metallic Flanges - Part 2 Cast Iron Flanges ISO 7259 Resilient-seated Gate Valves for Water Supply Service ISO 8179 Part 1-1995 Ductile Iron Pipes - External Zinc Coating Part 1 Metallic Zinc with
Finishing Layer ISO 8180-1985 Ductile Iron Pipes - Polyethylene Sleeving ISO 7259 Cast Iron Gate Valve with Elastomeric Obturator Seatings and Inside
Screw Stem DIN 3354 Part 2 Butterfly Valves Soft Material Seat Seal Cast Iron Tight Butterfly
Shut-off Valves with Flanged Ends DIN 17440 Stainless Steels - Technical Delivery Considerations for Plates Hotshy
Rolled Strip and Bars for Pressure Purposes Drawn Wire and Forgings ISO 559 Steel Tubes for Water and Sewerage
2 Butterfly Valve Specification
Butterfly Valve shall conform to one of the following standards BS EN 5932004 JIS B 2064 DIN 3354 A WWA C504 or ISO 5752 with a rating equal to or greater than the adjoining pipe or fitting but with a minimum of lObar They shall be double flanged short body concentric type with worm type manual operating gear with hand wheel and shall be manufactured from the following materials
1 Body and flange Ductile Iron to BS 15632004 2 Disc Stainless Steel or Ductile Iron with Rilsan coated 3 Internal body lining EPDM rubber bonded to body by vulcanizing
mechanism min thickness 18 mm for valves of diameter 1000-2000 mm min thickness 12 mm for valves of diameter 700-900 mm min thickness 9 mm for valves of diameter less than 700mm temperature resistant to 70degC suitable for use with potable water
4 Shaft and gear spindle Stainless Steel 104057 5 Shaft bearing self lubricating type with EPDM Oring seals
Page 20 of 35
All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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All the valves shall be of high reliability of robust design and tropicalized in accordance to the worst prevailing ambient conditions Valves disc shall be secured in center position Valves body shall be coated externally with blue colour (RAL 5015) non-toxic polyurethane to a minimum dry film thickness of 250 microns The valve flanges shall comply with BS EN 1092-2 PN10 flanges drilling All the valves shall be designed for no leakage under flow from either direction tested at a different pressure across the seal of rated working pressure Each valve shall be subject to a body pressureleakage test of 15 times the design pressure before leaving the manufacturers works A certificate showing that any rubber lining used is non-toxic to potable water in accordance to international standards shall be obtained from National Water Council UK or a similar internationally recognized authority Another celiificate showing that the whole Butterfly Valve is non-toxic to potable water in accordance to international standards shall be also obtained from National Water Council UK or similar internationally recognized authority
3 Control Valves
Actuators for flow control valves shall be fitted with suitable low gearing to allow precise control All valve operating handwheel including power actuator emergency hand wheels shall be located in a convenient position for operating by a person standing at floor level or on an operating platform and all necessary extension spindles and headstocks shall be provided Headstocks shall be the rising stern type with cast iron columns and casings complete with a graduated indicator The pillar shall not be less than 750 mm high measured from the base to the handwheel and shall be drilled for fixing Bevel gearing when requited shall be provided in totally enclosed oil bath or grease lubricated bevel gear housing equipped with oilshyimpregnated bushes and ball thrust bearings
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Page 21 0135
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Manufacturers Authorization
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above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
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32 of 35 ~
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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Page 31 of 35
32 of 35 ~
-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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Page 31 of 35
32 of 35 ~
-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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Page 34 0135
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Page 31 of 35
32 of 35 ~
-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
e1 A 90- G ffi ampis LSi isampiSru SiS
a e1 el
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Page 34 0135
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
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Page 34 0135
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Page 31 of 35
32 of 35 ~
-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
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Page 34 0135
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Page 31 of 35
32 of 35 ~
-----------------------------------------------------------
--------------------------------
Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
e1 A 90- G ffi ampis LSi isampiSru SiS
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Page 34 0135
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32 of 35 ~
-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
33 of 35 -_
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Page 34 0135
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-----------------------------------------------------------
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Manufacturers Authorization
Date ____________________
ICB No ______________
Invitation for Bid No ________
who are official manufacturers of having factories do hereby to submit a Bid in to provide the following and to negotiate
above the pu of which is
hereby extend our full guarantee and warranty of the General Conditions of Contract with respect to offered by above firm in to this Invitation for Bids
Name
In the capacity of ______________________________
Signed ____________________________________________
Duly authorized to sign the Authorization for and on behalf of _________
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Page 34 0135
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