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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
Transcript
  • 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

    HB

    2x4

    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

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    209.05 INVERT TOP

    207.99RVER207.99RVER

    207.75

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    207.81RVER

    207.75

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    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

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    1

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    D

    在老管上

    估计值

    (

    4

    4

    °

    )

    C

    H

    0

    +

    5

    0

    0

    .7

    9

    T

    P

    3

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    °

    (13°)

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    0+

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    TP

    4

    11

    1

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    (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

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    1

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    8

    .8

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    R

    D

    1

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    8

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    RD

    178.4

    2

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    1

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    .5

    1

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    6

    .2

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    C

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    1

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    .9

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    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

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    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

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    181.21

    R

    D

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    0

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    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

    °

    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

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    546144.39540594

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    546127.89540669

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    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. "''""".

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    P.O BOX 90417, 80100, MOMBASA. KENYA 68165 MannheimAugustaanlage 67GKW Consult GmbH

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    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

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    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

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    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

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    45°m

    ax.

    L2 L

    200min.

    C D

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    50

    2/3H

    H

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    0m

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    STEEL STRAP

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    D

    B

    D

    L

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    1/2H

    H

    1/2H

    D2

    300

    min

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    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


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