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b 09/04/02 WOODROW F. BAILLOT Updated according to AXOR letter AEC/DAC/1460/02-4143 dated 26/03/02
a 18/12/01 WOODROW JP. SCHMIDT First issue
Rev Date Drawn Check Description
THE ORGANIZATION FOR THE EXECUTION OF GREATER CAIRO WASTEWATER PROJECT (CWO)
GABAL EL ASFAR WWTP – STAGE 2 – PHASE 1 – Contract n° 19
ENGINEER
CONTRACTOR
Document Issuing Company:
ALL RIGHTS RESERVED FOR ALL COUNTRIES
Degremont Contract Ref. : E I 99 001
Degremont Document n° : DGS 36 ADrawn by: /
TECHNICAL PARTICULAR SPECIFICATION
AERATION DIFFUSERS NETWORK
Designed by :
Checked by:
Date :
Scale : Type Phase Activity Zone Structure Sequence Rev Total R D T D G S Z 1 1 A 3 6 A b Nr 5 + 43 Size A4
Pages
PARTICULAR TECHNICAL SPECIFICATION
AERATION DIFFUSERS NETWORK
Gabal El Asfar – EI 99 001
No : DGS 36 A
Page : 2
MAIN TERM : AERATION DIFFUSERS
QUANTITY : 8 Assemblies
MANUFACTURER : GRC
OPERATING CONDITIONS
Function
Primary sludge aeration.
Fluid
Pressurized air : Service temperature........min. 50°C max. 105°C Service pressure..............‹ 1 bar
Environment
Activated sludge : Temperature....................min. 18 max. 29°C pH....................................6 to 9 Corrosion agent...............CO2, H2S
Rev.: b Date : 09/04/02 Drawn up by: WOODROW Checked by: F. BAILLOTDegrémont Copyright - No reproduction without permission
PARTICULAR TECHNICAL SPECIFICATION
AERATION DIFFUSERS NETWORK
Gabal El Asfar – EI 99 001
No : DGS 36 A
Page : 3
Description Drawing n° D11AQuantities for 1 aeration tank
Diffuser type 1 (length : 8200 mm):2 + 2 symmetrical parts......................................................Stainless steel 304
with less than 0,05% of carbon
1 Inlet header ND 150with ND 150 ISO NP 10 inlet flangeand ND 100 ISO NP 10 moisture trap connection flange
1 Header ND 100with ND 100 ISO NP 10 moisture trap connection flange
6 80 x 80 distribution pipes drilled of 108 holes for “VIBRAIR” mounting.
12 Clamps for pipe ND 150.......................................................Stainless steel 30412 Clamps for pipe ND 100.......................................................Stainless steel 30448 Stud bolts M12 x 340 with nuts and washers.......................Stainless steel A224 Stud bolts M10 x 220 with nuts and washers.......................Stainless steel A2
Diffuser type 2 (length : 11245 mm):2 + 2 symmetrical parts......................................................Stainless steel 304
with less than 0,05% of carbon
1 Inlet header ND 150with ND 150 ISO NP 10 inlet flangeand ND 100 ISO NP 10 moisture trap connection flange
1 Header ND 100with ND 100 ISO NP 10 moisture trap connection flange
6 80 x 80 distribution pipes drilled of 150 holes for “VIBRAIR” mounting.
12 Clamps for pipe ND 150.......................................................Stainless steel 30412 Clamps for pipe ND 100.......................................................Stainless steel 30448 Stud bolts M12 x 340 with nuts and washers.......................Stainless steel A236 Stud bolts M10 x 220 with nuts and washers.......................Stainless steel A2
Diffuser type 3 (length : 12985 mm):2 + 2 symmetrical parts......................................................Stainless steel 304
with less than 0,05% of carbon
1 Inlet header ND 150with ND 150 ISO NP 10 inlet flangeand ND 100 ISO NP 10 moisture trap connection flange
1 Header ND 100with 2 ND 100 ISO NP 10 moisture trap connection flanges
6 80 x 80 distribution pipes drilled of 174 holes for “VIBRAIR” mounting.12 Clamps for pipe ND 150.......................................................Stainless steel 304
12 Clamps for pipe ND 100.......................................................Stainless steel 30448 Stud bolts M12 x 340 with nuts and washers.......................Stainless steel A248 Stud bolts M10 x 220 with nuts and washers.......................Stainless steel A2
Rev.: b Date : 09/04/02 Drawn up by: WOODROW Checked by: F. BAILLOTDegrémont Copyright - No reproduction without permission
b
PARTICULAR TECHNICAL SPECIFICATION
AERATION DIFFUSERS NETWORK
Gabal El Asfar – EI 99 001
No : DGS 36 A
Page : 4
Diffuser type 4 (length : 10415 mm):3 + 3 symmetrical parts......................................................Stainless steel 304
with less than 0,05% of carbon
1 Inlet header ND 150with ND 150 ISO NP 10 inlet flangeand ND 100 ISO NP 10 moisture trap connection flange
1 Header ND 100with ND 100 ISO NP 10 moisture trap connection flange
7 80 x 80 distribution pipes drilled of 119 holes for “VIBRAIR” mounting.
18 Clamps for pipe ND 150.......................................................Stainless steel 30418 Clamps for pipe ND 100.......................................................Stainless steel 30472 Stud bolts M12 x 340 with nuts and washers.......................Stainless steel A236 Stud bolts M10 x 220 with nuts and washers.......................Stainless steel A2
Diffuser type 5 (length : 10415 mm):3 + 3 symmetrical parts......................................................Stainless steel 304
with less than 0,05% of carbon
1 Inlet header ND 150with ND 150 ISO NP 10 inlet flangeand ND 100 ISO NP 10 moisture trap connection flange
1 Header ND 100with ND 100 ISO NP 10 moisture trap connection flange
7 80 x 80 distribution pipes drilled of 119 holes for “VIBRAIR” mounting.
18 Clamps for pipe ND 150.......................................................Stainless steel 30418 Clamps for pipe ND 100.......................................................Stainless steel 30472 Stud bolts M12 x 340 with nuts and washers.......................Stainless steel A236 Stud bolts M10 x 220 with nuts and washers.......................Stainless steel A2
Total Quantities :
Diffuser type 1..................................................................................32Diffuser type 2..................................................................................32Diffuser type 3..................................................................................32Diffuser type 4..................................................................................48Diffuser type 5..................................................................................48Clamps for pipe ND 150..................................................................576Clamps for pipe ND 100..................................................................576Stud bolts M12 x 340 with nuts and washers..................................2304Stud bolts M10 x 220 with nuts and washers..................................1440
Rev.: b Date : 09/04/02 Drawn up by: WOODROW Checked by: F. BAILLOTDegrémont Copyright - No reproduction without permission
b
PARTICULAR TECHNICAL SPECIFICATION
AERATION DIFFUSERS NETWORK
Gabal El Asfar – EI 99 001
No : DGS 36 A
Page : 5
Surface treatmentGrease removalWelding brushingPicklingDecontamination – passivationRinsing
Inspection testsVisual inspectionDimensional control on a 10% sample
Description................................................................Drawing n° D11B
Moisture traps .....................................................................Stainless steel 304with less than 0,05% of carbon
Quantity for 1 aeration tank................................................52Total quantity.....................................................................416
416 Gaskets ND 100.......................................................Rubber3328 Bolts M16 with nuts and washers.............................Stainless steel A2
Surface treatmentGrease removalWelding brushingPicklingDecontamination – passivationRinsing
Inspection testsVisual inspectionDimensional control on a 10% sample
Rev.: b Date : 09/04/02 Drawn up by: WOODROW Checked by: F. BAILLOTDegrémont Copyright - No reproduction without permission
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PARTICULAR TECHNICAL SPECIFICATION
AERATION DIFFUSERS NETWORK
Gabal El Asfar – EI 99 001
No : DGS 36 A
Page : 6
LIST OF ATTACHED DOCUMENTS REFER TO REVESION A FOR APPENDICES
Descriptions References Page Status
Aeration tank diffusers D11A rev. d / For informationMoisture trap D11B rev. b / For information
Anchoring bolts data sheet HILTI 1 to 15GRC references - 16Quality control plan appendix A 17 to 19Manufacturer file - 20 to 43
Rev.: b Date : 09/04/02 Drawn up by: WOODROW Checked by: F. BAILLOTDegrémont Copyright - No reproduction without permission
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