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Ministry of Water Sanitation and Irrigation
Project Name: Improvement of Drinking Water and Sanitation Systems in Mombasa – Mwache Project
Credit No.: CKE 1103
Volume 3 of 3 Bidding Documents: Drawings
Drawings
Contract Name:
Emergency Works for Increasing Water Availability in Likoni
IFB No.: CWSB/AFD/W1/2019-2020
Employer:
Coast Water Works Development Agency
P.O. Box 90417, 80100 Mombasa, Kenya
Funding:
Issued on: 19 January 2021
Section VII: Works Specifications - Drawings Final Works Documents
Section VII. - Drawings
NPC No.: CWSB/AFD/W1/2019 Page 2
TENDER DRAWINGS
A
1 1210/K/001/A Overview Map of Northern Tiwi Wellfield
2 1210/K/002/A Overview Map of Southern Tiwi Wellfield
3 1210/K/003/A Typical Borehole Design
4 1210/K/004/A Pipework Details on Borehole Sites
5 1210/K/005/A Borehole Site - Typical Well Gantry
6 1210/K/006/A Borehole A to Kaya Bombo Main - Plan and Longitudinal Profile (CH 0+00-CH 0+792)
7 1210/K/007/A Borehole 4/7 to Kaya Bombo Main - Plan and Longitudinal Profile (CH 0+000-CH 0+871)
8 1210/K/008/A Kaya Bombo Reservoir - General Layout
9 1210/K/009/A Kaya Bombo Reservoir - Proposed Rehabilitation Details
10 1210/K/010/A Kaya Bombo and Magodzoni Reservoirs - Chlorination Building - Plans and Sections A-A
11 1210/K/011A Kaya Bombo and Magodzoni Reservoirs - Chlorination Building - Section B-B and Mixing Tank Detail
12 1210/K/012/A Kaya Bombo and Magodzoni Reservoirs - Chlorination Building - Electrical Layout
13 1210/K/013A Kaya Bombo and Magodzoni Reservoirs - Chlorination Building - Right View & Left View
14 1210/K/014A Kaya Bombo and Magodzoni Reservoirs - Chlorination Building - Front View and Back View
15 1210/K/015/A Geophysical Investigations - Proposed Area
16 1210/K/016/A Tiwi Monitoring System- Sheet 1 of 2
17 1210/K/017/A Tiwi Monitoring System- Sheet 2 of 2
B
18 1220/K/001A Schematic Layout of Marere Pipeline
19 1220/K/002A Marere Headworks - Flow Division Structure
20 1220/K/003A Plan and Longitunal Profile- Sheet 1/6- CH0+000-1+200
21 1220/K/004A Plan and Longitunal Profile- Sheet 2/6- CH1+200-2+400
22 1220/K/005A Plan and Longitunal Profile- Sheet 3/6- CH2+400-3+600
23 1220/K/006A Plan and Longitunal Profile- Sheet 4/6- CH3+600-4+800
24 1220/K/007A Plan and Longitunal Profile- Sheet 5/6- CH 4+800-CH 6+000
25 1220/K/008A Plan and Longitunal Profile- Sheet 6/6- CH 6+000-CH6+382
26 1220/K/009A Pemba River / Creek Undercrossing - Plan and Profile
27 1220/K/010A Madabarra and Kibaoni Junction Details
28 1220/K/011A Geotechnical Trial Holes
C
29 1230/K/003A Air Valves Chamber Details
30 1230/K/005A Gate Valve Chamber Details
31 1230/K/007A Washout Valve Chmaber Details- Type 1
32 1230/K/008A Washout Valve Chamber Details- Type 2
33 1230/K/009A Thrust Block Details- Sheet 1 of 2
34 1230/K/010A Thrust Block Details- Sheet 2 of 2
35 1230/K/011A Pipe Bedding Details
36 1230/K/013A Project Publicity Board - CWWDA
37 1230/K/014A Pipeline Marker Posts Details
38 1230/K/015A Fencing and Gate Details- Sheet 1 of 2
39 1230/K/016A Fencing and Gate Details- Sheet 2 of 2
40 1230/K/017A Ventilated Improved Pit Latrine (VIP)
STANDARD DRAWINGS AND MINOR WORKS
SHEET NO. DRAWING No. DRAWING TITLE
DRAWING INDEX
Tiwi Wellfield
MARERE PARALLEL PIPELINE SYSTEM
Jan 2021 COAST WATER WORKS DEVELOPMENT AGENCY-CWWDA
EMERGENCY WORKS FOR IMPROVEMENT OF WATER AVAILABILITY IN LIKONIContract No: CWSB/AFD/W/1/2019
, .• ISEP •oo•t-o,~H•llloO,\I"'' - " ..........
0 w» -- COAST WATER WORKS DEVELOPMENT AGENCYTHE CHIEF EXECUTIVE OFFICER
P.O BOX 90417, 80100, MOMBASA. KENYAMannheimAugustaanlage 67 - DE-68165GKW CONSULT GMBH
GERMANY
Fax : +49 621 41077-302
E-MAIL: [email protected] : +49 621 41077-342
P.O. BOX 3271- 00200 NAIROBI, KENYAENGINEERING PROJECTS LTD.
E-MAIL: [email protected] : +254-722306748
INTEGRATED SCIENCE AND
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECTEMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
1210/K/001A
Tiwi WellfieldOverview Map of Nothern Tiwi Wellfield
@9 ISEP _,. . - " .
MagodzoniReservoir
COAST WATER WORKS DEVELOPMENT AGENCYTHE CHIEF EXECUTIVE OFFICER
P.O BOX 90417, 80100, MOMBASA. KENYAMannheimAugustaanlage 67 - DE-68165GKW CONSULT GMBH
GERMANY
Fax : +49 621 41077-302
E-MAIL: [email protected] : +49 621 41077-342
P.O. BOX 3271- 00200 NAIROBI, KENYAENGINEERING PROJECTS LTD.
E-MAIL: [email protected] : +254-722306748
INTEGRATED SCIENCE AND
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECTEMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
1210/K/002A
Tiwi WellfieldOverview Map of Southern Tiwi Wellfield
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP TIWI WELLFIELD
P.721771/H/1210/K/003/A
TYPICAL BOREHOLE DESIGN
00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
1. Double flanged 90 deg. bend
2. Dismantling piece
3. DN 150/80 double flanged tee
4. DN80 gate valve
5. DN 80 air valve
6. Double flanged 45 deg. bend
7. EU piece
8. Pipe coupling. L=500mm
9. F-piece with puddle flange
10. DN150 gate valve
11. DN150 check valve
12. DN 150/100 reducer
13. DN 100 Flow Meter
Reinforced ConcreteMass ConcreteHardcoreGravel
NOTES
1. All dimensions are in millimeters unlessotherwise stated
2. Only figured dimensions to be takenfrom this drawing
3. All reinforced concrete to grade C25
4. All blinding concrete to garde C15
5. Exact location to be approved by theEngineer
6. All dimensions in this drawing areindicative. The Contractor has to verifyall information on this drawing beforestarting the works. All updated drawingsare to be approved by the Engineer.Regarding the undergroundinfrastructure, the Contractor has the fullresponsibility to get all necessaryinformation and permissions from theconcerning company.
Blinding
Hardcore
GL
Steps
Marker Post with colorpainting
Pump Sump400x400x200
Water Stop
Protection By Bitumen
SECTION A-A
2%
ND 80mm Ventilation pipe with mosquitowire mesh cover
GL
60mm dia. perforated drainagepipe
Gravel for infiltration
DN 150
Traverse
For Detailed BoreholeDesignRefer to drawing1210/K/003/A
GL
A A
BB
Manhole800mm
Marker Post with colorpainting
Steps2.6m x 1m x 0.75mCONCRETE SLAB
Pump sump400x400x200
2%
2%
ND 80mm Ventilation pipe with mosquitowire mesh cover
Protection By Bitumen
PLAN
60mm dia. perforated drainagepipe
Gravel for infiltration
For Section B-B refer to drawing No. 1230/K/005/A
Traverse
Traverse
Top Concrete Slab
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
Tiwi Wellfield
P.721771/H/1210/K/004/A
Pipework Details on Borehole Sites
00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
'k Cw '-coNSULT
For Detailed BoreholeDesignRefer to drawing1210/K/004/A
GL
Top Concrete Slab
GL
Welded
Steps
T T BeamWidth 100mm max.
Blinding
Hardcore
Reinforced ConcreteMass ConcreteHardcoreGravel
NOTES
1. All dimensions are in millimeters unlessotherwise stated
2. Only figured dimensions to be takenfrom this drawing
3. All reinforced concrete to grade C25
4. All blinding concrete to grade C15
5. Exact location to be approved by theEngineer
6. All dimensions in this drawing areindicative. The Contractor has to verifyall information on this drawing beforestarting works. All updated drawingsare to be approved by the Engineer.Regarding the undergroundinfrastructure, the Contractor has thefull responsibility to get all necessaryinformation and permissions from theconcerning company.
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
Tiwi Wellfield
P.721771/H/1210/K/005/A
BOREHOLE SITE - TYPICAL WELL GANTRY
00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
ISEP lNTERGRAlEO SCIENCE
a ENGlflllEJ.:tNG PflQJECTS LTO
"'k\ Ciw '-coNSUlT
DN 150 HDPE PIPE PN 12
20
30
40
50
CHAINAGE
GROUND LEVEL
PIPE COVER LEVEL (m)
MINIMUM PIPE COVER (m)
PIPE DETAILS
SPECIAL DETAILS
0+
00
0
0+
02
0
0+
04
0
0+
06
0
0+
08
0
0+
10
0
0+
12
0
0+
14
0
0+
16
0
0+
18
0
0+
20
0
0+
22
0
0+
24
0
0+
26
0
0+
28
0
0+
30
0
0+
32
0
0+
34
0
0+
36
0
0+
38
0
0+
40
0
0+
42
0
0+
44
0
0+
46
0
0+
48
0
0+
50
0
0+
52
0
0+
54
0
0+
56
0
0+
58
0
0+
60
0
0+
62
0
0+
64
0
0+
66
0
0+
68
0
0+
70
0
0+
72
0
0+
74
0
0+
76
0
0+
78
0
0+
79
2
35
.7
7
35
.9
5
36
.2
0
36
.6
1
37
.1
5
37
.9
3
38
.7
8
39
.6
2
40
.1
8
40
.6
4
41
.0
7
41
.5
1
41
.9
0
42
.2
9
42
.6
1
43
.1
4
43
.5
1
43
.8
2
43
.7
4
43
.5
5
43
.4
2
43
.0
5
43
.0
3
42
.9
6
42
.9
4
42
.8
1
43
.0
0
42
.7
7
42
.7
0
42
.6
5
42
.6
0
42
.5
4
42
.5
0
42
.4
7
42
.1
2
41
.9
4
41
.4
8
40
.9
3
40
.4
8
40
.3
6
40
.0
0
34
.6
0
34
.8
5
35
.1
0
35
.3
5
36
.0
5
36
.8
1
37
.5
7
38
.3
3
39
.0
8
39
.5
0
39
.9
0
40
.3
0
40
.7
1
41
.1
1
41
.5
1
41
.9
2
42
.3
2
42
.7
2
42
.5
4
42
.3
4
42
.1
5
41
.9
5
41
.8
5
41
.8
0
41
.7
5
41
.7
0
41
.6
5
41
.6
0
41
.5
4
41
.4
9
41
.4
4
41
.3
9
41
.3
3
41
.2
9
40
.9
5
40
.5
7
40
.1
7
39
.7
7
39
.3
8
39
.6
2
39
.1
2
1.1
7
1.1
0
1.1
0
1.2
6
1.1
0
1.1
2
1.2
1
1.2
9
1.1
0
1.1
4
1.1
7
1.2
1
1.1
9
1.1
8
1.1
0
1.2
2
1.1
9
1.1
0
1.2
0
1.2
1
1.2
7
1.1
0
1.1
8
1.1
6
1.1
9
1.1
1
1.3
5
1.1
7
1.1
6
1.1
6
1.1
6
1.1
5
1.1
7
1.1
8
1.1
7
1.3
7
1.3
1
1.1
6
1.1
0
1.3
7
1.2
4
11
1 4
°
HB
11
+2
2°
HB
2x4
5°
HB
SAV
Connection to BH A
as per site conditions
Connection to Kaya Bombo
Transmission pipeline.
Depth of connection to be
determined on site.
and site instruction.
Refer to Drawing No:
1210/K/004A
WO
WO
0
+
0
0
0
0
+
0
5
0
0
+
1
0
0
0
+
1
5
0
0
+
2
0
0
0
+
2
5
0
0
+
3
0
0
0
+
3
5
0
0
+
4
0
0
0
+
4
5
0
0
+
5
0
0
0
+
5
5
0
0
+
6
0
0
0
+
6
5
0
0
+
7
0
0
0
+
7
5
0
0
+
7
9
2
1
1
1
4
°
H
B
1
1
°
+
2
2
°
H
B
BH A
S
A
V
2
x4
5
° H
B
2 x 45
°
Bends
JUNCTION DETAIL
To verify on site
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
68165 Mannheim
Augustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
TIWI WELLFIELD
1210/K/006/A
BOREHOLE A TO KAYA BOMBO MAIN
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
PLAN AND LONGITUDINAL PROFILE (cha 0+000 TO cha 0+792)
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
NOTES:
TO BE READ IN CONJUNCTION WITH
a) DRAWING No. 1210/K/003/A
b) DRAWING No. 1210/K/004/A
All the elevations and dimensions in this drawing
are indicative. The Contractor has to verified all
information on this drawing before starting the
works. All update drawings are to be approved by
the Engineer.
Regarding the underground infrastructure, the
Contractor has the full responsibility to get all
necessary information and permissions from the
concerning company.
Connection to Kaya Bombo
Transmission pipeline
'''* ISEP . ,, ....... .,. 0110 ~ ._.,, \~.~ ..
0
10
20
30
CHAINAGE
GROUND LEVEL
PIPE COVER LEVEL (m)
MINIMUM PIPE COVER(m)
PIPE DETAILS
SPECIAL DETAILS
0+00
0
0+02
0
0+04
0
0+06
0
0+08
0
0+10
0
0+12
0
0+14
0
0+16
0
0+18
0
0+20
0
0+22
0
0+24
0
0+26
0
0+28
0
0+30
0
0+32
0
0+34
0
0+36
0
0+38
0
0+40
0
0+42
0
0+44
0
0+46
0
0+48
0
0+50
0
0+52
0
0+54
0
0+56
0
0+58
0
0+60
0
0+62
0
0+64
0
0+66
0
0+68
0
0+70
0
0+72
0
0+74
0
0+76
0
0+78
0
0+80
0
0+82
0
0+84
0
0+86
00+
871
27.1
5
26.7
4
26.6
1
26.4
3
26.2
2
25.9
7
25.8
7
26.1
3
26.1
8
25.9
8
25.6
2
25.0
7
24.5
4
24.5
0
24.0
8
24.0
0
24.0
0
24.0
0
23.6
6
23.5
0
23.1
5
23.0
4
22.6
6
22.6
1
22.5
0
21.6
6
20.6
0
19.8
7
19.4
5
19.1
6
18.9
5
18.6
2
18.5
0
17.8
8
17.3
3
16.8
0
16.5
2
16.5
0
16.5
8
16.8
7
16.8
1
16.7
0
16.7
7
17.0
017
.00
25.8
1
25.6
3
25.4
3
25.2
3
25.0
5
24.8
5
24.7
5
24.7
4
24.7
4
24.7
3
24.3
8
23.9
0
23.4
2
23.2
0
22.9
6
22.8
5
22.7
4
22.6
3
22.5
3
22.2
9
22.0
4
21.7
8
21.5
3
21.4
3
21.3
2
20.4
1
19.5
0
18.6
1
18.2
5
17.8
9
17.5
3
17.1
6
16.8
0
16.4
3
16.0
7
15.7
0
15.3
7
15.4
0
15.4
4
15.4
7
15.5
1
15.5
2
15.5
9
15.6
2
15.6
5
1.34
1.11
1.18
1.20
1.17
1.12
1.12
1.39
1.44
1.25
1.24
1.17
1.12
1.30
1.12
1.15
1.26
1.37
1.13
1.21
1.11
1.26
1.13
1.18
1.18
1.25
1.10
1.26
1.20
1.27
1.42
1.46
1.70
1.45
1.26
1.10
1.15
1.10
1.14
1.40
1.30
1.15
1.18
1.38
1.35
WO
111 4
°H
B
111 4
°H
B
111 4
°H
B
111 4
°H
B
111 4
°H
B 221 2
°H
B 221 2
°H
B
SAVConnection to BH 4 and 7as per site conditions Connection to Kaya Bombo
Transmission pipeline.Depth of connection to bedetermined on site. (Detail 1)
and site construction.Refer to Drawing No.1210/K/004/A
0+00
0 0+05
0 0+10
0 0+15
0
0+20
0
0+25
0
0+30
0
0+35
0
0+40
0
0+45
0
0+50
0
0+5 5
0
0+6 0
0
0+65
0
0+70
0
0+75
0
0+80
0
0+85
0
0+87
1
SAV
111 4°
HB
111 4°HB
1114°HB
1114°HB 1114°
HB
2212°HB
2212°HB
WO
Tran
smis
sion
Pip
elin
e
DETAIL 1
Ø150From BH 4/7
To verify on site
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
/1210/K/007/A
BOREHOLE 4/7 TO KAYA BOMBO MAIN
00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
PLAN AND LONGITUDINAL PROFILE (cha 0+000 TO cha 0+871)
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
NOTES:
TO BE READ IN CONJUNCTION WITHa) DRAWING No. 1210/K/003/Ab) DRAWING No. 1210/K/004/A
All the elevations and dimensions in this drawingare indicative. The Contractor has to verified allinformation on this drawing before starting theworks. All update drawings are to be approved bythe Engineer.Regarding the underground infrastructure, theContractor has the full responsibility to get allnecessary information and permissions from theconcerning company.
Connection to Kaya BomboTransmission pipeline (Detail 1)
DN 150 HDPE PIPE PN 12
''* ISEP
EXISTINGCHLORINATION
BUILDING
PROPOSEDCHLORINATION
BUILDING
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
Tiwi Wellfield
P.721771/H/1210/K/008/A
KAYA BOMBO RESERVOIR GENERAL LAYOUT
00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
Note:All informations in this drawing areindicative. The Contractor has to verifyall information on this drawing beforestarting the works. All updated drawingsare to be approved by the Engineer.Regarding the undergroundinfrastructure, the Contractor has the fullresponsibility to get all necessaryinformation and permissions from theconcerning company.
SLAB BOTTOM: REPAIR SPALLEDCONCRETE SECTIONS WITH
EPOXY MORTARAPPROXIMATELY 1m²
SLAB DETAIL RESERVOIR FLOOR/WALL DETAIL
60
350
REMOVE EXISITING SEALANTAND APPLY 20mm POLYSULPHIDEAROUND INTERNAL TANK PERIMETER
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
1210/K/009/A
KAYA BOMBO RESERVOIRS
00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
PROPOSED REHABILITATION DETAILS
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
Note:All dimensions in this drawingare indicative. The Contractorhas to verify all information onthis drawing before starting theworks. All updated drawings areto be approved by the Engineer.Regarding the undergroundinfrastructure, the Contractorhas the full responsibility to getall necessary information andpermissions from theconcerning company.
- ..... ·~~··· ~ "·•·'
5400
3000
200 1400 200 1000 1200 1200
200
1400
200
1200
R.C. STAIRCASE∑ TREAD = 225mm∑ RISER = 200mm
SLOPE
GRAVITYDOSER
A A
HOSE TOWATERTANK
300 2200 300 2300 300
CHLORINATION BUILDINGPLAN
B
B
ROOF LINE
CHLORINE MIXINGPLATFORM
25mm uPVC PIPE FORWATER SUPPLY
CLASS 25/ 20 R.CSTAIRCASE
DN 160 uPVC DRAINPIPE TO SITEDRAINAGE SYSTEM
200mm THICKMASONRY WALL
900mm MASONRY WALL
600mmx600mmDRAIN CHAMBERWITH PCC COVERSLAB
300x300mm CLASS 25/ 20R.C COLUMN
SCOUR/OVERFLOWCHANNEL
600mmx600mm DRAINCHAMBER WITH PCCCOVER SLAB
200
900
1800
200
CHLORINEMIXINGTANK
6mm THICKDISSOLVINGTRAY
GULLEY TRAP
WATER TANK
80mm uPVCSCOUR PIPE
80mm uPVCOVERFLOW PIPE
SUMP
300x150mm CLASS25/ 20 R.C BEAM
300x300mm CLASS 25/20 R.C COLUMN
900mm WIDELANDING
200mm THICKMASONRY WALL
3 KW MIXER WITHELECTRIC AGITATOR
SECTION A - A
200x300mm CLASS25/ 20 R.C BEAM
D.P.C
1200 x 1200 x 300mmCLASS 25 /20 R.C PADFOOTING FOR COLUMN
100mm THICK CLASS 15 /20CONCRETE BLINDING
250mm THICK CLASS 25/20 R.C FLOOR SLAB
15075 25075
850
INERT MATERIALFILL
900mm HIGH M.S HANDRAIL MADE OF50mm DIA. BALUSTRADES AT 1200mmc/c WITH HORIZONTAL MID-RAIL
300450 450
CHLORINEMIXING TANK
1000
1000
200
600
250
300
2450
300
300mm COMPACTED HARDCORE,TOP SURFACE BLINDED WITHSAND AND GAUGE 500POLYTHENE SHEET IN 2 LAYERS
580 446
600
160
1200
100 100 100100
1200 1200
HARDCOREMATERIAL
6mm THICKDISSOLVINGTRAY
200
1400
900
2750mmabove 0.00
2550 mmabove 0.00
Appr
ox. 1
500
BRIDGE TOWATER TANK
1550 mmabove 0.00
500.00F.F.L
1800
200
200
DOOR
2150
MCC IP54
CABLE PROTECTIONPIPE RUNNING ALONGCEILING, BEAMS ANDCOLUMNS
CABLING
MCC IP54
C C
CONCRETEPROTECTION BYEPOXY PAINTINGCABLING
CABLING
R.C.Platform
100
100
150
300
100
150
5025
0
E
E
F
F
H H
G G
Water Stop
LEGEND
REINFORCEDCONCRETE
MASSCONCRETE
MASONRY
NOTE
All dimensions in this drawing areindicative. The Contractor has toverify all information on thisdrawing before starting the works.All updated drawings are to beapproved by the Engineer.Regarding the undergroundinfrastructure, the Contractor hasthe full responsibility to get allnecessary information andpermissions from the concerningcompany.
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
1210/K/010/A00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
Kaya Bombo and Magodzoni ReservoirsChlorination Building - Plan and Section A-A
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
- ..... ·~~··· ~ "·•·'
600
300
250
200
1000
1000
SECTION B - B
600 600
250
200mm THICK NATURAL STONE WALL
300x300mm CLASS 25/20 R.C COLUMN
300x300mm CLASS25/ 20 R.C COLUMN
GRAVITY DOSER
200mm HIGH DOSERPLATFORM
200x300mm R.CBEAM
1800mm HIGHMASONRY WALL
50mm uPVCOUTLET PIPE
80mm uPVCOVERFLOW PIPE
300 300 300 300
INERT MATERIALFILL
ROOF SPECIFICATION:PLASTIC TRANSLUCENT GAUGE 24 LAID AT 22.5DEG. SLOPE OVER GAUGE 1000 POLYTHENEUNDERLAY ON TIMBER TRUSSES AT APPROX.1400C/C & INTERMEDIATE RAFTERS BETWEENTRUSSES AT 600 C/C
1200x300mm CLASS 25/ 20R.C FOOTING
100mm THICK CLASS 15/ 20CONCRETE BLINDING
CHLORINEMIXING TANK
2200
1200 1200
3 KW MIXER WITHELECTRIC AGITATOR
1400
200
200
1800
200 600 200
100300 450
80mm DIA. CHEMICAL RESISTANTuPVC OVERFLOW PIPE
OPADOS GRAVITY FEEDCHEMICAL DOSER
TO 1250m³STORAGE TANK
3 KW MIXER WITH ELECTRIC AGITATOR
300x150mm DEEP CLASS 25/20R.C. MOTOR SUPPORT BEAM
400mm WIDE X 350mm HIGHCLASS 20/20 R.C DOSERPLATFORM
200x200mm SCOUR ANDOVERFLOW CHANNEL
25mm DIA. REINFORCED NYLONCHEMICAL RESISTANT TANKOUTLET
25mm DIA. CHEMICAL RESISTANTWATER SUPPLY PLASTIC PIPEFROM MARERE PIPELINE
80mm DIA. CHEMICAL RESISTANTPLASTIC SCOUR PIPE
1800
SCHEMATIC DETAIL OF CHLORINEMIXING TANKS
MOTOR BASEPLATE
25mm DIA. REINFORCED NYLONCHEMICAL RESISTANTCHLORINE DOSING PIPE
200mm THICK CLASS 25/20 R.C.WALL
600200
HARDCOREMATERIAL
300
100
150
100100100100
GATE VALVE FORSCOUR PIPE
GATE VALVE FOROUTLET PIPE
NOT TO SCALE
0.00
CABLING
D D
250
LEGEND
REINFORCEDCONCRETE
MASSCONCRETE
MASONRY
NOTE
All dimensions in this drawing areindicative. The Contractor has toverify all information on thisdrawing before starting the works.All updated drawings are to beapproved by the Engineer.Regarding the undergroundinfrastructure, the Contractor hasthe full responsibility to get allnecessary information andpermissions from the concerningcompany.
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
1210/K/011/A00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
Kaya Bombo and Magodzoni ReservoirsChlorination Building - Section B-B and Mixing Tank Detail
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
- ..... ·~~··· ~ "·•·'
LEGEND
REINFORCEDCONCRETE
MASSCONCRETE
MASONRY
LIGHTINGMOUNTED ONBEAMS
SWITCH, 1 WAY,1 GANG
NOTE
All dimensions in this drawing areindicative. The Contractor has to verify allinformation on this drawing before startingthe works. All updated drawings are to beapproved by the Engineer. Regarding theunderground infrastructure, the Contractorhas the full responsibility to get allnecessary information and permissionsfrom the concerning company.
2800
300 2200 300
ELECTRICAL LAYOUT - CHLORINATION BUILDINGSECTION C-C
DOOR SUSPENDEDCEILING
175
300
726
900
774
300
3000
200 X 300mm R.C.BEAM TO DETAIL
5400
3000
200 1400 200 1000 1200 1200
200
1400
200
1200
300 2200 300 2300 300
ELECTRICAL LAYOUT - CHLORINATION BUILDINGSECTION D-D
200
WATER TANK
600
160
200
BEAMS FORROOF MOUNTING
BEAMS FORROOF MOUNTING
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
1210/K/012/A00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
Kaya Bombo and Magodzoni ReservoirsChlorination Building - Electrical Layout
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
- ..... ·~~···
LEGEND
REINFORCEDCONCRETE
MASSCONCRETE
MASONRY
NOTE
All dimensions in this drawing areindicative. The Contractor has toverify all information on thisdrawing before starting the works.All updated drawings are to beapproved by the Engineer.Regarding the undergroundinfrastructure, the Contractor hasthe full responsibility to get allnecessary information andpermissions from the concerningcompany.
900mm WIDELANDING
MILTON ROY MIXER,HELISEM RANGE 3KWELECTRIC AGITATOR
900mm HIGH M.S HANDRAIL MADE OF50mm DIA. BALUSTRADES AT 1200mmc/c WITH HORIZONTAL MID-RAIL
250
300
0.00F.F.L
200
200
RIGHT SIDE
200
1200
300
100
150
100100100100 100 100
12001200
2200
250
1800
900
900
BRIDGE TO WATR TANKWITH HANDRAILS
SECTION H - H
300
2500
300 1500 700 300 1200 1100 300
900mm WIDELANDING
LEFT SIDE
900
1800
250
300
2450
1200
300
100
150
100100100100 100 100
12001200
2700
2200
900
250
900
300
1500
100
HandRails
200
MILTON ROY MIXER,HELISEM RANGE 3KWELECTRIC AGITATOR
150
SECTION G - G
700300 1500 300
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
1210/K/013/A00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
Kaya Bombo and Magodzoni ReservoirsChlorination Building - Right View & Left View
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
- ..... ·~~···
960
900
BACK VIEW
1800
100
1200
100100
1200
100100
900
900
300
1250
300
200
300
300 3002400
300
200
250
2800
SECTION F - F
HANDRAILS
1700700
150
FRONT VIEW
900
MILTON ROY MIXER,HELISEM RANGE 3KWELECTRIC AGITATOR
2200
300
1800
250
300
250
2000
DRAIN PIPEØ160
SECTION E - E
900
1500 900
750750
LEGEND
REINFORCEDCONCRETE
MASSCONCRETE
MASONRY
NOTE
All dimensions in this drawing areindicative. The Contractor has toverify all information on thisdrawing before starting the works.All updated drawings are to beapproved by the Engineer.Regarding the undergroundinfrastructure, the Contractor hasthe full responsibility to get allnecessary information andpermissions from the concerningcompany.
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
1210/K/014/A00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
Kaya Bombo and Magodzoni ReservoirsChlorination Building - Front View & Back View
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
, .• ISEP -- ·- - •... A \ , ~ ..... ~
MagodzoniReservoir
COAST WATER WORKS DEVELOPMENT AGENCYTHE CHIEF EXECUTIVE OFFICER
P.O BOX 90417, 80100, MOMBASA. KENYAMannheimAugustaanlage 67 - DE-68165GKW CONSULT GMBH
GERMANY
Fax : +49 621 41077-302
E-MAIL: [email protected] : +49 621 41077-342
P.O. BOX 3271- 00200 NAIROBI, KENYAENGINEERING PROJECTS LTD.
E-MAIL: [email protected] : +254-722306748
INTEGRATED SCIENCE AND
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECTEMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
1210/K/015A
Tiwi WellfieldGeophysical Investigations - Proposed Area
.. ,. ... ,. ..... ~--........--.Ill '*' ISEP
+24 VDCPOWERSUPLY
COMMON DC POWERSUPLY FOR ALL
MOTOR STARTERS
TO MONITORING ROOMIN TIWI BH NO. 6
MOTOR STARTER COMPARTMENT
R5485
R5485
MOTORPROTECTION
RELAY
TO MOTORCONTROLCIRCUIT
DO1 DO2 DO3
DRY RUN PROTECTION
MOTOR TEM PROTECTION
R5485 I / O MODULE FLOW DIGITALINDICATOR LEVELINDICATOR
CLS CLS UWUW
AI1 AI3Pt100 Pt100DI DI
Pt100
M
BH PUMPTEMPERATURE
FLOWTRANSMITER
PRESSURETRANSMITER
AI2
WATERLEWEL
ANDTEMPERATURETRANSMITER
WELL FIELD STARTER PANELREMOTE TERMINAL UNITS
FOR PUMP (RTU P)CLS - Current loop splitterAI - Analog inputsDO - Digital outputsDI - Digital inputsR5485 - Serial comunication port
4-20mA
4-20mA 4-20mA
4-20mA
4-20mA 4-20mA4-20mA
GPRS /GSM
MODUL
BY AIR
R5485
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
1210/K/016/A00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
TIWI MONITORING SYSTEMSHEET 1 of 2
.. ,. ... ,. ..... ~--........--.Ill '*' ISEP
LOCALSERVER
LCDDISPLAY
21"
GPRS /GSM
MODUL
RTUBH9
NORTH WELL FIELD
KEYPAD
RTUBHA
RTUBHC
RTUBH8
RTUBH4&7
RTUBHE
RTUBHD
RTUBH
2
RTUBH1
RTUBHG
SOUTH WELL FIELD
GPRS /GSM
MODULRTUBH6
BY AIRTO TIWI WATER
OFFICE
RS485
RTUBH3&6
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
TIWI WELLFIELD
1210/K/017/A00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
TIWI MONITORING SYSTEMSHEET 2 of 2
• -~ __ ...,"', .. IE::\ ·-·· '!" .... "
MWALUGANJE SPRING INTAKE
MARERE HEADWORKS
VOTIA SPRING INTAKE
EXISTING DN. 500 STEEL SOCKET &SPIGOT GRAVITY MAIN TO CHANGAMWE(TOTAL LENGTH 41.8km)
KAYA BOMBO RESERVOIR SITE- EXISTING 1140 m³ AND 1250m3 CAPACITY
R.C. RESERVOIR
EXISTING DN. 200 STEEL SOCKET &SPIGOT GRAVITY MAIN TO KAYABOMBO RESERVOIR SITE (12.4km)
RETAINED SECTION OF EXISTING DN. 500D.I. SOCKET & SPIGOT PIPE( LENGTH 3.9km)
MWACHE CREEK CROSSING- TOTAL LENGTH 700m- 76m SPAN NEW STEEL BRIDGE CROSSING
WITH PEDESTRIAN WALKWAY- 2m WIDE COMPACTED MURRAM ACCESS
ROAD TOTAL LENGTH 300m
EXISTING CHANGAMWE RESERVOIR SITE
EXISTING DN 200 STEEL OFF TAKE TOMWADABARA 1. PUMPING STATION(TO KWALE TOWN)
EXISTING DN 150 STEEL OFF-TAKE TOKIBAONI PUMPING STATION(TO KINANGO TOWN) CH.6+368.00
EXISTING WATER KIOSK No. 1CHA. 8+555 - (NG'OZINI PRI. SCHOOL)
EXISTING WATER KIOSK No. 2CHA. 12+218 - (MAILI NANE CAMP)
EXISTING WATER KIOSK No. 3CHA. 22+800 - (LUTSANGANIMARKET)
EXISTING 80mm DIA. uPVC OFF-TAKE TO TSUNZAMARKET APPROX. 9km OFF MARERE LINE.(WATER KIOSK No. 6 IS LOCATED AT TSUNZA PRI.SCHOOL COMPOUND)
EXISTING WATER KIOSK No. 4CHA. 26+400 - (DZIVANI PRI.SCHOOL)
EXISTING WATER KIOSK No. 5CHA 31+450 - (MWAMDUDU PRI.SCHOOL)
EXISTING WATER KIOSK No. 7CHA. 6+800 - (MBUGUNI VILLAGE)
WM1CHA. 0+000
SV2
PEMBA RIVERAERIAL CROSSING(82m) CHA. 5+250
SV3
SV4
SV5
KAYA BOMBO PIPELINEOFFTAKE POINT (CHA.21+750 OFF MAREREPIPELINE)
SV6
SV7CHA. 28+700
SV8 SV9
SV10
SV11
SV12
PEMBA RIVERUNDER CROSSING
SV1
WM2
WM3
LEGEND
SV
WM
EXISTING DN500/DN 200 STEELPIPELINE
RETAINED SECTION OF OLDER EXISTING DN 500 D.IPIPELINE
LOCATION OF SECTIONAL VALVE
LOCATION OF BULK WATER METER
EXISTING STRUCTURE
PROPOSED PARALLEL PIPELINE SHALLRUN IN 2 M DISTANCE FROM EXITISINGPIPELINE BETWEEN MAREREHEADWORKS AND KIBAONI OFFTAKE
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
1220/K/001A
SCHEMATIC LAYOUT PLAN OF MARERE PIPELINECOAST WATER WORKS DEVELOPMENT AGENGYTHE CHIEF EXECUTIVE OFFICER
P.O BOX 90417, 80100, MOMBASA. KENYA
68165 MannheimAugustaanlage 67GKW CONSULT GMBH
GERMANY
Fax : +49 621 41077-302
E-MAIL: [email protected] : +49 621 41077-342
P.O. BOX 3271- 00200 NAIROBI, KENYAENGINEERING PROJECTS LTD.
E-MAIL: [email protected] : +254-722306748
INTEGRATED SCIENCE AND
11t --· . ._.~~··
6 No.STEPS :-TREADS - 250mm.RISERS - 170mm
B
A
B
A
CHLORINATION BUILDINGPLAN
LOADING PLATFORM
STORAGE AREA
DO
SER
PLA
TFO
RM
OUTLET
OVERFLOW
6400
20020090026001500
450
800200
2502502502502502800
5930
1530
200
4000
200
OUTLET
SCOUR
200
200
200
750
200
200
200 1400200
400 400 700
1400
1
2
3
4
200 2800200
1400200
1500 200
770
2000
1630
D1 D2
W1
FROM DOMESTICWATER PUMP
SLOPE
2000x2000mm CHLORINATIONCHAMBER WITH 200x200mmCLASS 25/ 20 R.C WALLING
SLOPE
SCOUR
OVERFLOW
1325
1325
F.F.L 203.46
F.F.L 202.31
150300
150600x600x75mmP.C.C SLABS 150
300150
150
300
150
FROM LOWERHEADWORKS CHANNEL
CHLORINEDOSINGCHAMBER
160mm DIA uPVCCLASS 41 PIPE
160mm DIA. uPVCCLASS 41 PIPE
1200x1200mm MASONRYWEIR/ SCOUR CHAMBER
50mm DIA STEEL SCOURPIPE AND GATE VALVE
400mm DIA. STEELSOCKET&SPIGOT PIPE
OVERFLOW WEIRPROPOSED STTA DN 250FERROUS TREATED WATERGRAVITY MAIN
TO CHANGAMWETANKS
FLOOR DRAIN
EXTERNAL STAIR CASETREADS -250mmRISERS- 170mm
900mm HIGH M.S HANDRAILMADE OF 50mm DIA.BALUSRADES AT 1200 c/cWITH HORIZONTAL MID-RAIL
25mm DIA. REINFORCED NYLONCHLORINE DOSING PIPE
OPADOS 4 GRAVITYFEED DOSER
MILTON ROY MIXER,HELISEM RANGE 3KWELECTRIC AGITATOR
MILTON ROY MIXER,HELISEM RANGE 3KWELECTRIC AGITATOR
1150
STEEL CASEMENTWINDOW, CLEAROPENING1200mmx2000mm (W1)
500mm DIA. FERROUSTREATED WATERGRAVITY MAIN
DN 250 VALVE
DN 500 VALVE
COAST WATER SERVICES BOARDTHE CHIEF EXECUTIVE OFFICER
P.O BOX 90417, 80100, MOMBASA. KENYAMannheimAugustaanlage 67 - DE-68165GKW CONSULT GMBH
GERMANY
Fax : +49 621 41077-302
E-MAIL: [email protected] : +49 621 41077-342
P.O. BOX 3271- 00200 NAIROBI, KENYAENGINEERING PROJECTS LTD.
E-MAIL: [email protected] : +254-722306748
INTEGRATED SCIENCE ANDJOINT VENTURE
SHORT TERM TECHNICAL ASSISTANCESHORT TERM TECHNICAL ASSISTANCE (STTA) FOR COAST WATER SERVICES BOARD (CWSB) FORLAUNCHING OF "IMPROVEMENT OF DRINKING WATER AND SANITATION SYSTEMS IN MOMBASA-MWACHE PROJECT"
1220/K/002A
MARERE PARALLEL PIPELINE SYSTEMMARERE HEADWORKS - FLOW DIVISION STRUCTURE
Note:All dimensions in this drawingare indicative. The Contractorhas to verify all information onthis drawing before starting theworks. All updated drawings areto be approved by the Engineer.Regarding the undergroundinfrastructure, the Contractorhas the full responsibility to getall necessary information andpermissions from theconcerning company.
198.79
RD
196.88
R
D
196.97
RD
197.50
R
D
197.51
R
D
199.90
PIPES
198.86
RD
203.20
RP2
205.43
RP1
193.01
R
D
194.51
RD
194.43
R
D
C
H
0
+
2
1
1
.
0
5
(
0
°
)
C
H
0
+
0
0
0
T
P
0
209.05 INVERT TOP
207.99RVER207.99RVER
207.75
RVER
207.81RVER
207.75
RVER
210.19 SP
209.84
TOP
209.79 TOP
208.60 INVERT
209.40CONC TOP
209.95 SP209.95 SP
209.86CH
209.85 CH
209.85
CH
208.69
INVER
208.70INVER
209.98 CH
209.97 CH
208.82 INVER209.85 CH
209.85
CH
209.10 INVER
208.72INVER
209.89CH TOP 209.68 INVER
209.48 INVER
208.85 INVER
209.88CH TOP
209.72 VTOP
209.95 SP209.95 SP
209.40CONC TOP
209.83
CONC TOP
208.61INVERT
208.60 INVERT
209.79 TOP
208.71
INVERT
208.67INVERT
209.84
TOP
210.19 SP
208.59SP
208.81 SP
208.46
CONC INVERT
209.45 CONC TOP
208.96
208.66
INV
208.62INV
208.52
208.61INV
208.63 INV209.48CH
209.48 CH
208.98
INV
TOP
208.65
208.52INV
208.52INV208.97TOP 208.47 INV208.97TOP
CONC INVERT TOP
209.00 TOP
208.81 SP
INV
208.57INV 209.05
CHTOP
209.09CHTOP
208.60
209.73VTOP
INV 209.75
CH
208.85
209.72CH
209.45 CONC TOP
208.43
CONC INVERT
208.46
209.71 CONC TOP
208.59SP
208.66 INVER
210.01 ch
209.61 ch inver
209.85 CH TOP
INV
M
1
8
4
.0
3
R
D
1
8
3
.9
2
R
D
1
8
4
.0
3
B
E
N
D
184.14R
D
1
8
4
.1
9
R
D
184.49
RD
184.54
R
D
185.75
RD
1
8
5
.9
8
R
D
1
8
7
.6
6
R
D
187.66
R
D
1
8
9
.3
2
R
D
1
8
9
.3
6
R
D
1
9
1
.3
4
R
D
1
9
1
.3
9
R
D
193.01
R
D
193.26
R
D
194.51
R
D
1
9
4
.4
3
R
D
(28°)
C
H
0+
211.05
TP
1
22
1
2
°
(6°)
C
H
0+
430.51
TP
2
11
1
4
°
C
H
0
+
5
0
0
.
7
9
1
7
7
.7
3
RD
1
7
8
.0
3
RD
1
7
6
.3
0
CLV
1
7
6
.8
7
CLV
1
7
7
.5
6
R
D
1
7
7
.7
9
RD
1
7
9
.1
8
RD
1
7
9
.2
1
R
D
1
8
3
.4
6
RD
1
8
3
.3
7
RD
1
8
2
.9
8
RD
1
8
2
.6
8
RD
1
8
4
.0
1
RD
1
8
3
.9
3
RD
1
8
7
.0
4
RD
1
8
6
.8
8
RD
1
8
7
.4
5
RD
1
8
7
.3
4
R
D
1
8
7
.5
9
N
A
IL
1
1
8
8
.5
2
R
D
1
8
7
.8
4
R
D
1
8
7
.5
6
R
D
1
8
7
.2
7
RD
1
8
5
.2
0
R
D
1
8
5
.9
2
RD
1
8
8
.7
0
RD
1
8
7
.8
5
RD
1
8
7
.5
4
RD
1
8
8
.5
4
RD
1
8
8
.4
1
R
D
1
8
8
.6
6
RD
1
8
8
.7
8
RD
1
8
9
.4
9
P
A
IN
T
1
8
7
.9
3
R
D
1
8
7
.8
7
R
D
1
8
4
.4
3
R
D
1
8
4
.3
9
RD
1
8
4
.7
8
B
M
4
2
M
L
1
8
3
.5
4
RD
1
8
2
.2
3
C
L
V
1
8
2
.2
4
C
L
V
1
8
3
.6
0
RD
1
8
2
.5
4
C
L
V
1
8
3
.5
4
R
D
1
8
3
.6
3
RD
1
8
3
.4
5
G
A
T
E
1
8
3
.4
8
G
A
T
E
1
8
3
.7
1
RD
1
8
1
.3
7
RIV
ER
1
8
4
.0
3
R
D
1
8
3
.9
2
RD
1
8
4
.0
3
B
E
N
D
1
8
4
.1
4
RD
1
8
4
.1
9
RD
1
8
4
.4
9
R
D
1
8
4
.5
4
R
D
在老管上
估计值
(
4
4
°
)
C
H
0
+
5
0
0
.7
9
T
P
3
4
5
°
(13°)
CH
0+
536.96
TP
4
11
1
4
°
(11°)
CH
1+
086.02
TP
5
11
1
4
°
CLASS 15 MASS
CONCRETE SURROUND
AT STREAM CROSSING
TP1 TP2 TP3 TP4 TP5TP0
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
68165 Mannheim
Augustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
1220/K/003/A
PLAN AND LONGITUDINAL PROFILE (cha 0+000 TO cha 1+200)
LONGITUDINAL PARALLEL TO THE EXISTING PIPELINE
New DN 250 pipeline will be run parallel at 2 m distance to the existing pipeline
PLAN
CH. 0+003.00
MARERE LINE - SV
DETAIL
CH. 0+000.00
MARERE LINE - COUPLING
DETAIL
CH. 0+012.00
MARERE LINE - WATER METER
DETAIL
CH. 0+697.52
MARERE LINE - DAV
DETAIL
CH. 0+603.22
MARERE LINE - W.O TYPE 1
DETAIL
DETAIL
CH. 0+430.51,0+536.96,1+086.02
DETAIL
CH. 0+211.05,
DETAIL
CH. 0+500.79
DETAIL
MARERE
HEADWORKS
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
Note:
All elevations and dimensions in
this drawing are indicative. The
Contractor has to verify all
information on this drawing
before starting the works. All
updated drawings are to be
approved by the Engineer.
Regarding the underground
infrastructure, the Contractor
has the full responsibility to get
all necessary information and
permissions from the
concerning company.
1
8
1
.2
1
R
D
1
8
0
.9
3
RD
1
7
9
.0
3
R
D
1
7
8
.8
9
R
D
1
7
8
.6
8
RD
178.4
2
R
D
1
7
7
.8
1
R
D
1
7
7
.5
1
R
D
1
7
6
.2
8
C
LV
1
7
5
.8
1
C
L
V
1
7
7
.6
4
R
D
1
7
7
.5
4
RD
1
7
8
.1
5
R
D
1
7
7
.9
6
RD
1
7
7
.7
3
RD
1
7
8
.0
3
R
D
(12°)
CH
1+
464.04
TP
6
11
1
4
°
162.57
RD
162.32
R
D
162.55
R
D
161.90
R
D
162.04
R
D
162.99
C
LV
F
LT
162.64
R
D
162.65
R
D
164.38
R
D
164.71
R
D
172.86
R
D
172.72
R
D
179.12
R
D
179.11
R
D
182.47
N
A
IL
1
A
182.49
R
D
182.60
R
D
182.35
R
D
182.29
R
D
1
8
0
.1
5
R
D
180.15
R
D
175.37
R
D
175.35
R
D
174.47
R
D
174.38
R
D
173.29
C
LV
173.78
C
L
V
174.28
R
D
175.33
R
D
175.53
R
D
176.31
R
D
176.10
R
D
180.00
R
D
180.25
R
D
1
8
1
.
2
0
P
A
I
N
T
A
V
1
8
0
.
8
4
C
H
1
8
0
.
5
8
C
H
1
8
0
.
9
2
C
H
181.21
R
D
1
8
0
.9
3
R
D
TP6
LONGITUDINAL PARALLEL TO THE EXISTING PIPELINE
New DN 250 pipeline will be run parallel at 2 m distance to the existing pipeline
PLAN
CH. 1+464.04
DETAIL
CH. 1+300.00, 1+780.00, 2+359.70
MARERE LINE - W.O TYPE1
DETAIL
CH. 1+580.00, 1+967.65
MARERE LINE - DAV
DETAIL
68165 Mannheim
Augustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
1220/K/004/A
PLAN AND LONGITUDINAL PROFILE (cha 1+200 TO cha 2+400)
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
Note:
All dimensions in this drawing
are indicative. The Contractor
has to verify all information on
this drawing before starting the
works. All updated drawings are
to be approved by the Engineer.
Regarding the underground
infrastructure, the Contractor
has the full responsibility to get
all necessary information and
permissions from the
concerning company.
AutoCAD SHX TextDATUM
AutoCAD SHX Textm
AutoCAD SHX Textm
Owen MickLine
TP7TP0
LOCAL HIGH POINT
FLATTENED DURING
TRENCH EXCAVATION
GABION PROTECTION
WORKS AND STONE
PITCHING ( LENGTH 6m)
156.27
R
D
156.09
R
D
157.35
R
D
153.28
R
IV
E
R
157.33
R
D
1
5
8
.9
9
R
D
159.00
R
D
163.06
R
D
1
6
3
.1
8
R
D
166.70
N
A
IL1C
167.52
R
D
169.09
S
P
P
IP
E
A
V
167.55
R
D
169.18
R
D
168.85
R
D
168.84
RD
169.08
R
D
1
6
4
.8
4
R
D
164.61
R
D
1
6
4
.
1
4
P
A
I
N
T
162.57
R
D
162.32
RD
162.55
R
D
(30°)
CH
2+
679.98
TP
7
11
1
4
° & 2
2
1
2
°
154.1
1
RD
166.2
2
RD
165.9
3
RD
158.4
5
RD
158.4
3
RD
156.2
9
RD
156.2
6
RD
156.3
4
RD
156.3
7
RD
154.6
2
RD
152.5
6
CLV
153.8
8
RD
152.3
1
CLV
153.7
2
RD
155.0
0
RD
155.1
5
RD
156.7
7
RD
156.7
4
RD
154.8
4
RD
154.8
1
RD
154.5
0
RD
154.5
7
RD
154.6
6
RD
154.6
9
RD
15
5.6
9
PA
IN
T
155.4
9
RD
155.5
7
RD
156.2
7
RD
156.0
9
RD
154.2
0
RD
LONGITUDINAL PARALLEL TO THE EXISTING PIPELINE
New DN 250 pipeline will be run parallel at 2 m distance to the existing pipeline
PLAN
DETAIL
CH. 2+679.98
CH. 2+844.00
MARERE LINE - TEE&GV
MADABARA OFFTAKE
DETAIL
CH. 2+903.43, 3+160.00
MARERE LINE - W.O TYPE 1
DETAIL
CH. 2+540.00, 3+003.22
MARERE LINE - DAV
DETAIL
68165 Mannheim
Augustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
1220/K/005/A
PLAN AND LONGITUDINAL PROFILE (cha 2+400 TO cha 3+600)
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
Note:
All dimensions in this drawing
are indicative. The Contractor
has to verify all information on
this drawing before starting the
works. All updated drawings are
to be approved by the Engineer.
Regarding the underground
infrastructure, the Contractor
has the full responsibility to get
all necessary information and
permissions from the
concerning company.
AutoCAD SHX TextWO
Owen MickLine
TP8 TP9 TP10 TP11
TP12
PIP
E W
O
PIP
E W
O
PIP
E H
AN
G 1
pipe hang
PIP
E H
AN
GIN
G 1.8
PIP
E H
AN
G 1
pipe hang
PIP
E H
AN
GIN
G 1.8
148.0
2
RD
147.8
5
R
D
1
4
7
.2
6
1
4
7
.2
5
148.8
6
R
D
148.7
2
R
D
148.4
3
R
D
148.5
5
R
D
146.2
9
1
4
8
.2
6
RD
1
4
8
.2
5
RD
145.5
9
C
L
V
1
4
8
.4
9
RD
1
4
8
.5
0R
D
151.2
2
CLV
1
4
8
.8
4R
D
147.3
0
1
4
9
.9
7
RD
149.9
1
RD
1
5
1
.2
6
RD
152.0
4
R
D
151.9
3
R
D
1
5
2
.1
0R
D
1
5
2
.4
8
RD
1
5
2
.5
4
RD
1
5
2
.5
0
RD
1
5
2
.0
8
1
5
4
.0
5
RD
1
5
3
.6
8
RD
1
5
5
.5
1R
D
155.4
1
RD
154.3
6
C
L
V
154.8
8
157.5
3
R
D
157.6
0
RD
158.8
8
R
D
158.8
9
RD
158.6
8
R
D
156.7
2
RD
154.3
4
156.0
4
RD
156.0
0
RD
1
5
6
.1
5R
D
1
5
6
.1
7
RD
1
5
7
.6
8
1
5
5
.5
4
1
5
7
.5
6
RD
1
5
7
.8
1
RD
162.8
7
R
D
162.8
9
R
D
161.7
5
165.7
5
R
D
165.8
8
R
D
1
6
6
.4
4
166.5
4
RD
166.4
5
R
D
1
6
6
.2
7R
D
166.4
1
RD
1
6
3
.7
2
CLV
1
6
6
.8
0
RD
166.4
2
R
D
166.0
0
C
L
V
163.2
7
C
L
V
163.3
4
C
L
V
1
6
6
.8
4
RD
170.4
5
R
D
1
7
0
.3
6R
D
172.3
7
RD
172.2
9
RD
172.85
PA
IN
T
172.4
3
R
D
1
7
2
.2
3
RD
1
4
6
.9
5
S
P
P
IP
E
145.9
3
S
P
P
IP
E
(11°)
CH
4+
216.33
TP
8
11
1
4
°
(18°)
CH
4+
414.51
TP
9
22
1
2
°
(15°)
CH
4+
488.81
TP
10
11
1
4
°
(21°)
CH
4+
558.26
TP
11
22
1
2
°
(11°)
CH
4+
793.95
TP
12
11
1
4
°
LONGITUDINAL PARALLEL TO THE EXISTING PIPELINE
New DN 250 pipeline will be run parallel at 2 m distance to the existing pipeline
PLAN
CH. 4+216.33, 4+488.81, 4+793.95
DETAIL
CH. 4+414.51, 4+558.26
DETAIL
CH. 3+891.24
MARERE LINE - W.O TYPE 2
DETAIL
CH. 3+619.10, 3+972.44, 4+338.86
MARERE LINE - DAV
DETAIL
68165 Mannheim
Augustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
1220/K/006/A
PLAN AND LONGITUDINAL PROFILE (cha 3+600 TO cha 4+800)
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
Note:
All dimensions in this drawing
are indicative. The Contractor
has to verify all information on
this drawing before starting the
works. All updated drawings are
to be approved by the Engineer.
Regarding the underground
infrastructure, the Contractor
has the full responsibility to get
all necessary information and
permissions from the
concerning company.
CH. 4+232.92 MARERE LINE -
W.O TYPE 1
DETAIL
TP13TP14
TP16TP15
TP12
pip
e h
an
g 1
pip
e h
an
g 1
pip
e h
an
g
pip
e h
an
g
147.1
3
RD
146.6
7
RD
154.0
8
NA
IL1F
154.0
8
NA
IL
145.2
6
RD
144.9
4
RD
141.4
9
RD
141.0
2
RD
16
4.5
6
PA
IN
T
137.8
2
RD
137.5
7
RD
135.7
6
RD
136.1
0
RD
131.7
2
RD
131.2
9
RD
128.1
7
RD
128.3
8
RD
126.5
4
RD
126.3
9
RD
124.5
5
RD
124.6
7
RD
121.8
5
RD
122.0
0
RD
121.2
8
RD
121.3
1
RD
120.2
5
CLV12
1.6
8
RD
120.8
9
RD
121.1
9
RD
120.8
4
RD
120.5
2
RD
118.2
2
RD
117.9
6
RD
116.8
8
RD
116.8
6
RD
116.1
8
RD
116.3
1
RD
115.3
9
RD
115.3
8
RD
114.9
5
RD
114.9
5
RD
114.1
4
BR
G
109.1
4
RIV
ER
114.3
6
BR
G
114.1
9
BR
G
114.0
1
BR
G
108.8
6
RIV
ER
114.3
6
BR
G
114.2
9
BR
G
116.3
0
RD
115.6
8
RD
118.6
4
RD
118.4
6
RD
120.0
3
RD
120.0
4
RD
122.5
1
RD
122.5
3
RD
108.8
1
RIV
ER
108.9
4
RIV
ER
125.8
8
RD
125.9
6
RD
127.3
4
RD
126.8
2
CLV
126.3
1
CLV
126.3
0
CLV
127.8
9
RD
128.0
0
RD
127.0
6
131.5
8
131.3
7
RD
133.2
7
RD
133.6
1
RD
139.2
2
RD
138.9
7
RD
137.0
6
144.6
4
RD
144.8
5
RD
143.2
6
148.0
2
RD
147.8
5
RD
147.2
6147.2
5
146.9
5
SP
PIP
E
145.9
3
SP
PIP
E
140.6
0
SP
PIP
E
137.1
5
SP
PIP
E
(11°)
CH
4+
793.95
TP
12
11
1
4
°
(26°)
CH
5+
627.99
TP
15
22½° & 11¼°
(22°)
CH
5+
822.71
TP
16
22½°
(35°)
CH
5+
181.43
TP
14
22½° & 11¼°
(2
7
°
)
C
H
5
+
0
6
7
.6
3
T
P
1
3
2
2
½
°
&
1
1¼
°
LONGITUDINAL PARALLEL TO THE EXISTING PIPELINE
New DN 250 pipeline will be run parallel at 2 m distance to the existing pipeline
PLAN
CH. 5+527.09
MARERE LINE - DAV
DETAIL
CH. 5+822.71
DETAIL
CH. 5+647.28
MARERE LINE - W.O TYPE 1
DETAIL
CH. 5+334.16
DETAIL
DETAIL
CH. 5+067.63, 5+181.43, 5+627.99
CH. 5+225.00
DETAIL
68165 Mannheim
Augustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
1220/K/007/A
PLAN AND LONGITUDINAL PROFILE (cha 4+800 TO cha 6+000)
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
Note:
All dimensions in this drawing
are indicative. The Contractor
has to verify all information on
this drawing before starting the
works. All updated drawings are
to be approved by the Engineer.
Regarding the underground
infrastructure, the Contractor
has the full responsibility to get
all necessary information and
permissions from the
concerning company.
TP18
ROAD
CROSSING CROSSING
TP17
ROAD
CROSSING
ANCHOR BLOCKS
(LENGTH 40m)
136.5
8
RD
136.6
2
RD
136.9
3
RD
136.5
4
RD
136.7
3
RD
141.8
2
R
D
134.2
5
RD
134.8
2
RD
136.7
1
R
D
136.7
7
RD
137.2
8
RD
137.0
1
RD
137.9
7
RD
138.1
1
RD
13
9.5
8
PA
IN
T
139.58
PA
IN
T
140.7
9
RD
139.8
4
RD
139.6
6
RD
140.0
6
RD
140.2
9
RD
1
4
0
.9
9
RD
1
4
0
.4
0
RD
140.5
5
R
D
142.3
9
R
D
144.9
0
RD
144.9
2
RD
147.8
7
RD
148.0
3
R
D
153.4
5
RD
152.8
2
RD
1
5
0
.6
3
RD
1
5
0
.1
6
RD
150.3
7
RD
150.5
6
RD
1
4
9
.3
5
RD
149.5
7
R
D
1
5
1
.8
2
RD
1
5
4
.2
6
RD
156.3
5
R
D
1
5
6
.8
3
RD
1
4
9
.7
2
RD
1
4
9
.4
0
RD
147.1
3
RD
146.6
7
R
D
154.0
8
N
A
IL
1
F154.0
8
NA
IL
1
4
5
.2
6
RD
144.9
4
RD
16
4.5
6
PA
IN
T
(22°)
CH
6+
037.63
TP
17
22½°
(27°)
CH
6+
289.37
TP
18
22
1
2
°&11
1
4
°
LONGITUDINAL PARALLEL TO THE EXISTING PIPELINE
New DN 250 pipeline will be run parallel at 2 m distance to the existing pipeline
PLAN
CH. 6+345.50
MARERE LINE - TEE&GV
DETAILCONNECT. KIBAONI LINE
CH. 6+037.63
DETAIL
DETAIL
CH. 6+289.37
CH. 6+170.00
DETAIL
CH. 6+126.07
MARERE LINE - DAV & V-BEND
DETAIL
68165 Mannheim
Augustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
1220/K/008/A
PLAN AND LONGITUDINAL PROFILE (cha 6+000 TO cha 6+382)
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
ROAD
CROSSING
Note:
All dimensions in this drawing
are indicative. The Contractor
has to verify all information on
this drawing before starting the
works. All updated drawings are
to be approved by the Engineer.
Regarding the underground
infrastructure, the Contractor
has the full responsibility to get
all necessary information and
permissions from the
concerning company.
INTEGRATEOSCIENCE & ENGINEERING PROJECTS LTD
ISEP ~ "'\::_.._,-1 .. COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
1220/K/009A
PEMBA RIVER / CREEK UNDERCORSSING - PLAN AND PROFILE
00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
KEYPLAN
LEGEND
..... _ .. ,,.w-. ... ·f &f~Nr'lt'N ~Ill)
,,, ISEP
r~;-0 11.1...!..J.++-@ 11 x.!..!__r.... II IT'!I llill I~ I n-0 I II I II t=-I~ r.:~T.-:--., 11..:.J.l+-
...... .. 11 ll• ''* ISEP ck' w '-CONSULT rs • J '·-
545916.69535713
546144.39540594
546232.39541898
546127.89540669
5649169542321
68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
MARERE PARALLEL PIPELINE SYSTEM
P.721771/H/1220/K/011/A
GEOTECHNICAL TRIAL HOLES
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
Q)> ISEP ... • tr. "''""".
l'IKWll !\"It
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
P.721771/H/1230/K/003/A
AIR VALVE CHAMBER DETAILS
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
.... ..., .. . , ....... "'-"' ..... COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
P.721771/H/1230/K/005/A
GATE VALVE CHAMBER DETAILS
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
... llCl'\ •. 'lllU~lt U ~~ •.cr-rocco~,. '*'* ISEP ~ ' '· COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
P.721771/H/1230/K/007/A
WASH OUT VALVES CHAMBER DETAILS
TYPE 1
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
... llCl'\ •. 'lllU~lt U ~~ •.cr-rocco~,. '*'* ISEP ~ ' '· COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
P.721771/H/1230/K/008/A
WASH OUT VALVES CHAMBER DETAILS
TYPE 2
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
,,, ISEP -------· ·~~OD
L
L/2
200
min
.
L
L2
45max.
45max.
B
200min.
45°min.
50
SECTIONAL PLAN
2/3H
H
1/3H
300
min
.
ANGLE IRON ANCHOR
B
L2
L
45max.
200min.
A
45ma
x.
A
B
45°
max
.
45°m
ax.
L2 L
200min.
C D
200
45°min.
50
2/3H
H
1/3H
200min. 30
0m
in.
B/2
BL/2B/2
STEEL STRAP
H
SECTIONAL PLAN
D
B
D
L
E
L
D1
1/2H
H
1/2H
D2
300
min
.
E
B/2B/2
B
D
H
1 IN 7 - 10 27.5
22.0
16.5
11.0
11.0
5.5
SPACING OFANCHOR BLOCKS
(m)GRADIENT
1 IN 2
1 IN 3
1 IN 4
1 IN 5
1 IN 6
0.8 0.8 0.8 0.7 0.35 0.45 0.35 0.35
0.40.40.60.40.81.01.00.9
0.450.450.550.450.91.01.01.0
0.50.50.70.51.01.21.21.1
0.550.550.650.551.11.21.21.2
0.650.650.750.651.31.41.41.4800
600
500
400
300
DIMENSIONS (m)
B2B1H3H2H1HL
200
PIPEDIAMETER
DN (mm) A
ANCHOR BLOCK TO BE POSITIONED BEHIND COLLAR AS SHOWN
NOTE
G
G
BOTTOM OFTRENCH LEVEL
L
L/2L/2
DN
L/2
L/2
L
H3
H2
H1
B2B1
H
A
DETAIL OF PIPE SUPPORT BLOCK
SECTIONAL PLANHORIZONTAL BENDS
SCALE 1:20
SECTION A-A
SECTIONAL PLANTEESSCALE 1:20
SECTION B-B
END CAPSSCALE 1:20
SECTION C-CSECTION D-D
REDUCERSSCALE 1:20
VERTICAL ANCHOR BLOCKS AT CRESTS
SECTION G-GANCHOR BLOCKS ON GRADIENTS
SCALE 1:20FRONT VIEWSCALE 1:20
VERTICAL ANCHOR BLOCKS AT DEPRESSIONSSCALE 1:20
SECTION E-EELEVATION
SECTIONAL PLANSCALE 1:20
ELEVATION SECTION F-F
B
B
F
F
C
L
L2
H
200min.
45°min.
50
2/3H
H
1/3H
300
min
.
ALL BENDS, TAPERS AND TEES TO BE
ALL DIMENSIONS ARE IN MILLIMETERS
WHERE PRACTICABLE.
ALL ANCHOR BLOCKS TO BE CAST
BENDS LESS THAN 6° TO BE TAKEN
DISTURBED, THE SOIL AROUND THE
CONCRETE TO BE CAST AGAINST
ANCHOR BLOCKS TO BE CONSTRUCTED
11¼° BENDS TO BE USED FOR BENDS
FILLED WITH CONCRETE BEFORE THE
COMPACTED TO NOT LESS THAN 95%
LESS THAN OR EQUAL TO 16°.
DIAMETERS GIVEN ON THE TABLES ARE
REFER TO SHEET 2 FOR TABLES OF
FROM UNREINFORED CONCRETECLASS 20
UNDISTURBED GROUND. WHERE
ANCHOR BLOCK TO BE REMOVED AND
PIPE IS PRESSURE TESTED OR
MAX. DRY DENSITY BEFORE THE MAINIS PRESSURE TESTED.
UP BY THE FLEXIBLE PIPE JOINTS
GREATER THAN OR EQUAL TO 6° AND
LEAVING ALL PIPE JOINTS FREE.
PIPE NOMINAL BORE SIZES.
DIMENSIONS FOR ANCHOR BLOCKS.
WRAPPED WITH POLYTHENE SHEETGAUGE 500.
UNLESS STATED OTHERWISE.
ALL DIMENSIONS IN THIS DRAWINGARE INDICATIVE. THE CONTRACTORHAS TO VERIFY ALL INFORMATIONON THIS DRAWING BEFORESTARTING THE WORKS. ALLUPDATED DRAWINGS ARE TO BEAPPROVED BY THE ENGINEER.REGARDING THE UNDERGROUNDINFRASTRUCTURE, THECONTRACTOR HAS THE FULLRESPONSIBILITY TO GET ALL THENECESSARY INFORMATION ANDPERMISSIONS FROM THECONCERNING COMPANIES.
10.
NOTES
SURVEYEDDESIGNEDDRAWN
APPROVEDCHECKED
SCALES:
Client/Employer:
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
REMARKSDATEREV.
Revisions: BY:BY:BY:BY:BY:
O.M.O.C.O.
Date: Drg. No.08/2019
Drawing Title:
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
1230/K/009/A
C.O.
Not to scale
J.B..
Sheet00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
33
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
THRUST BLOCK DETAILSSHEET 1 of 2
2 3.95 0.9 0 .. 5 3_33 375 240 500
1-75 1.8'1 G·.9(]· 0.50 1..49 150 90
HUDGO!Mtl!Ul[);.IOR CIEl•....,.O'"ll1!0~11"!'
l:SEP'
240 500
o 4(1 1 rn 1 [ill) o 47
2.50 4A6 0,_00 QI.TO< 4.57 2.0n 3.02 0.90 0.38 2.48, 1.!JO : 1 ·1; n 70 o f,n, o "'2 r'1'1) o g;:: 0 7iil o 30 o /I"; n fl~ n ,'!cl o 711 n· ·1q o 1.i. o "'::> r; 4) o 7r; o 11 om V\5 1A4 0,_00 QJ.50< 0.89 ·1.0D ·1.07 O.!lii) 0.30 0.48. 0.76 G.76 0130 0·_·19 0.25 0.54 0.5"- O.!lO 0_17 0.13
90 150
00 150
V.iO ·1.91 ::io 1,,M n75 04n, o 71 r,~fi 0% 07fi o;i,o, O;"'d nfo'l nM 07A n··lfi o;n 0"'2 r;49 on 014 o 11 rn.g £AO o,_75 QJ.40, 1_0,7 ·1.rn ·uo, o.75 0.25 o.58 o.ao G.M 0-75 o._-15 0.30, 0.00 0.01 o.1G 0_·14 0.1'0
150 0.40 1 _00 0.00 0_31 240 Ofi 0:6J 0.6G 0 .. 20 0.19 90 1-05 1.13 G•.7!'.l 0.0>! 0.51
0.40 (!1_9(!1 0. 70 0_24 0.79 o,_00 0_&5 0.40< 0 .. 25 O.ii!3 0.~9 0.65 0.2~ o.n 0.42 Cl.42 0_6G o,_15 0.07 0 . .29 O.W 0.65 OJ4 0.04 n.05 um o,_75 o.35 0.11 G•.85 o.rni a.7'5 o.w o.3D D.
00 150
0_87 0.87 0.7G 0 .. 20 0.34 240 25ot1100 90
U3 1_04 °'-75 O.:&G 0.47 0.7'6 o.n 0.75 0.20 0.2'6 O.G4 Cl.b-5 O]G o,_14 0.13 0.38 0.39 0.7~ OJ3 0.07 240 G.40 CU5 G.':-0 0_ 15 200 240 0.82 D,_92 D,_75 0.35 0.34 C•.Em O.U-1 0.75 O.W a. H DAl3 0·.'13 0-76 D,_·H 0.09 0.30 C•.31 0.7!'.i a_n 0.0!5 150 150
90 150 o.'63 O·_fi4 o,_65 QJ.35 0.11 o.47 o.47 o.65 0.20 o.o9 o.33 G.34 0-65 o._-14 o.o5 0.24 o.2'!. o.65 o_n o.m DU;.;4 1.t4 1150
300 90 4.06 1_00 1.70 1.60 40.~6 2.4'.3 ()_9() 1.50 1.2(!1 40.i'i4 1.56 1 _30 2.20 1.80 00>:.6 240 2.71 0_80 1.60 1.30 30:\4 ·1150
UJ:lU ·1.GU 1.4U 40:>:.4 90 200 o.so t.zo 1. io 30x-4 240 OJlO 1.50 1. 10 30K4 1150
0.73 0_70 0.90 0.8-0 30.:;--1 0.12 0_80 0.90 0.50 30~-tl O.'.H OJ30 0.70 G!.+G! J.O~-tl 0.17 240 n 8(1 n sn D {D :'!Ah:4 0 44 nen [) /n D !"JD j(l:(.4 0 )0 !] ~!] n sn [I .:![I :m~4 n 1f~ 1150
90 {mm)
H L B Strap Vol IHI L B Strap Vol H L B Skap Vol (rn] [rn] [rn) (mm) (m
?••-:er loro1,mOr\.4n1111,.3 lotlO!l\lnr(li ' lk-dtltl',0. [hdd!1"4J( lledd1n11Ved and sieved excavation mauuial
M1tcrlal dHsiflcatlon
~ \ ....... t: '""' / ........ COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
P.721771/H/1230/K/011/A
PIPE BEDDING DETAILS
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
QAFD
SURVEYEDDESIGNED
DRAWN
APPROVED
CHECKED
SCALES:
Client/Employer:
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA
68165 Mannheim
Augustaanlage 67
GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8C
ISEP
REMARKSDATEREV.
Revisions: BY:BY:
BY:BY:
BY:
1/20
O.M.O.C.O.W.
Date: Drg. No.
07/2019
Drawing Title:
SHORT TERM TECHNICAL ASSISTANCE
MWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
1230/K/013/A
PROJECT PUBLICITY BOARD - CWWDA
O.M.O.
A3
C.O.W.
Sheet00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
39
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
AS ABOVE
Notes:
COAST WATER WORKS DEVELOPMENT AGENCYP.O BOX 90417, 80100, MOMBASA. KENYA 68165 Mannheim
Augustaanlage 67GKW Consult GmbH
GERMANYDennis Pritt RoadHeri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
P.721771/H/1230/K/014/A
PIPELINE MARKER POSTS DETAILS
00200 - GPO, NAIROBI, KENYAP.O. BOX 3271,
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
''* ISEP 'k Cw '-coNSULT
37 DIA. PIPE BUILT INTOROAD WITH CEMENTGROUT
DN20 DEAD BOLT
MAIN GATE BOLTINGDETAIL I
SCALE 1:20
DN50 TUBULAR G.S.GATE FRAME
FRAMEDIA. TUBULAR GATEPLATE WELDED TO 504 THICK MILD STEEL
SECTION G-G
SIDE GATE LOCKINGDETAIL IV
SCALE 1:10
DN50 G.S. TUBE
DN10 PADLOCKABLEDEAD BOLT
MAIN GATE LOCKINGDETAIL III
SCALE 1:5
SECTION F-FF
F
G
GSTUDS WELDED TO 15 DIA.PIPE AND BUILT INTO GATEPOST WITH CEMENT GROUT
40
20
50
300
20Ø
50
10
FRONT ELEVATIONSCALE 1:20
EE
SECTION E-ESCALE 1:20
GATE HINGESDETAIL II
40x6 mm FISH-TAILSTEEL PLATES(250 mm LONG)
50
250
LOCK
STEEL PIPE
50 x 50 mm WELD
MESH (8 SWG)
CLASS 25/20CONCRETE
G.L
GATE COLUMN FOOTING
GATE COLUMN DN50 GALVANIZED
STEEL PIPES
G.L
DN50 GALVANIZED
BLINDING
SECTION A-ASCALE 1:50
SECTIONAL PLANENTRANCE GATE - 5m WIDE
SCALE 1:50
DETAIL I
DETAIL III
DETAIL II
HARDCORE
AA
G.L
8-R1203 125 mm C/C(COVER-50)
13-R602200 mm C/C
4-R1601(COVER 50)
D D
13-R602200 mm C/C
4-R1601
G.L
GATE POSTTO ENTRANCE GATE
SCALE 1:50
SECTION D-DSCALE 1:50
LEGEND
REINFORCEDCONCRETE
MASSCONCRETE
Hardcore
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
1230/K/015/A
FENCING AND GATE DETAILSSHEET 1 OF 2
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
1. ALL CONCRETE IS CLASS 25/20 UNLESS STATED OTHERWISE.
2. FENCE POSTS SHALL NOT BE MORE THAN 3 m c/c
3. SPECIAL FENCE POSTS WITH STRUTS SHALL BE USED AT ALL CORNERS AND AT DISTANCES NOT MORE THAN 30 m c/c.
4. WHERE CHAIN LINK (TYPE GLC) 180 IS SPECIFIED, THEN USE ONLY THREE LINE WIRES AND THREE ROWS OF BARBED WIRE AT THE TOP.
5. R DENOTES MILD STEEL
GLC GALVANISED LINK CHAIN
PCC PRECAST CONCRETE
DN NOMINAL DIAMETER
GL GROUND LEVEL
6. ALL DIMENSIONS IN THIS DRAWING ARE INDICATIVE. THE CONTRACTOR HAS TO VERIFY ALL INFORMATION ON THIS DRAWING BEFORE STARTING THE WORKS. ALL UPDATED DRAWINGS ARE TO BE APPROVED BY THE ENGINEER. REGARDING THE UNDERGROUND INFRASTRUCTURE, THE CONTRACTOR HAS THE FULL RESPONSIBILITY TO GET ALL THE NECESSARY INFORMATION AND PERMISSIONS FROM THE CONCERNING COMPANIES.
EMERGENCY WORKS FOR INCREASE OF WATER AVAILABILITY IN LIKONI
·- '** ISEP ~ •••• .a0•
OVERHANG TO FACE OUTWARD
900
18
00
CH
AIN
LIN
K F
EN
CIN
G
SELECTED FILLCOMPACTED IN150 mm LAYERS
CLASS 20/20MASS CONCRETE
30
0
500
G.L G.L G.L
600
400
3 No. HOLES FOR LINE WIRES
3 No. HOLES FOR BARBED WIRE
G.L
50
0
600 500
G.L
600
400
K
CROSS SECTION DETAILFENCING POST
SCALE 1:40
J J
K
CROSS SECTION DETAILSTRUTTED CHAINLINK
FENCING POSTSCALE 1:40
30°
10
01
50
15
01
00
G.L
100 100
3000
PRECAST CONCRETE FENCING POST
GALVANIZED BARBED WIRE
500
90
09
00
50
03
00
G.L
46
0
(SEE DETAIL)
G.L
CHAINLINK FENCETYPE GCL 180
LONGITUDINAL DETAILSCALE 1:40
10
01
50
15
01
00100100
100100
10
0
100
4 -R806(COVER - 20)
32 - R605 100 C/C
SECTION J-JSCALE 1:10
100
32 - R605 100 C/C
(COVER - 20)4 -R806
10
0
SECTION K-KSCALE 1:102
26
0
900
G.L
500600
30
05
00
G.L
CROSS SECTION DETAILSTRUTTED CHAINLINK
FENCING POSTSCALE 1:40
K
K
30°
DETAIL V
10
01
50
600
400
DETAIL VSCALE 1:10
12mm M.S. SECURING BOLT
100
100
30
30
40
16mm. HOLE FOR 12mm DIA.SECURING BOLT
100mmx100mmSTRAINERSSTRAINED POST
80 35
LEGEND
REINFORCEDCONCRETE
MASSCONCRETE
Hardcore
COAST WATER WORKS DEVELOPMENT AGENCY
P.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67GKW Consult GmbH
GERMANY
Dennis Pritt Road
Heri Paradise, Suite 8CISEP
SHORT TERM TECHNICAL ASSISTANCEMWACHE PROJECT
STANDARD DRAWINGS AND MINOR WORKS
1230/K/016/A
FENCING AND GATE DETAILS (SHEET 2 OF 2)
00200 - GPO, NAIROBI, KENYA
P.O. BOX 3271,
1. ALL CONCRETE IS CLASS 25/20 UNLESS STATED OTHERWISE.
2. FENCE POSTS SHALL NOT BE MORE THAN 3 m c/c
3. SPECIAL FE