garissa water and sewerage company tender … · for elevated water tank dn 150mm pumping main from...

GARISSA WATER AND SEWERAGE COMPANY

TENDER DOCUMENTS – BOOK OF DRAWINGS

VOLUME IIIOF

Bidding Document for theProcurement of

REHABILITATION AND CONSTRUCTION OF BOREHOLES

Project: WATER AND SANITATION DEVELOPMENTPROJECT (WSDP)

Employer: GARISSA WATER AND SEWERAGE COMPANY (GAWASCO)

Country: REPUBLIC OF KENYA

(GROUP 3)

NCB No: CONTRACT Nº: KE-GAWASCO-54763-CW-RFB

INLET PIPEWORK

DESCRIPTIONITEM QTY

D 150mm DIA. ALL FLANGED PIPE 5000mm LONG.....................1Nr

(CUT TO SUIT ON SITE)...............................................................1Nr

A 150mm DIA. FLANGED BALL FLOAT VALVE

B 150mm DIA. ALL FLANGED PIPE, 300mm LONG WITH PUDDLE

C 150mm DIA. ALL FLANGED 90° BEND......................................2Nr

E 150mm DIA. FLANGED SPIGOT PIPE 12m LONG

F 150mm DIA. FLANGE ADAPTOR................................................1Nr

INLET PIPEWORK

APPROVED LINED FERROUS PIPES AND FITTINGS

(SERIES 1048 BIWATER OR APPROVED EQUIVALENT)...........1Nr

50mm DIA. INLET PIPE

FGL

.

H

DESCRIPTIONITEM QTY

c 250mm DIA. FLANGED SPIGOT PIPE 12m LONG

(CUT TO SUIT ON SITE).............................................................1Nr

a 250mm DIA. FLANGED BELL MOUTH.........................................1Nr

a

b

c

d

e

b 250mm DIA. ALL FLANGED PIPE 3100mm LONG, WITH PUDDLE

d 250mm DIA. FLANGE ADAPTOR.................................................2Nr

e 250mm DIA. ALL FLANGED 90° BEND.......................................1Nr

h 50mm DIA. ALL FLANGED GATE VALVE...................................1Nr

i 250mm DIA. ALL FLANGED GATE VALVE.................................1Nr

OUTLET PIPEWORK DETAIL

10

m

j 250mm DIA. PLAIN ENDED PIPE, 1200mm LONG ...................1Nr

TWL 707.5

OUTLET PIPEWORK


75mm DIA.

OUTLET PIPE

G 150mm DIA. FLANGED SPIGOT PIPE 1200mm LONG...........1Nr

H 150mm DIA. COUPLING.............................................................1Nr

D

E

G

B

A

10

m

F

g 250x50mm DIA. ALL FLANGED TEE............................................1Nr

f 250mm DIA. ALL FLANGED PIPE 1200mm LONG .....................1Nr

500

APPROX. 1200

FLANGE AT 160mm FROM ONE END (PUDDLE FLANGE

TWL 707.5

FLANGE AT 125mm FROM ONE END (PUDDLE FLANGE

C

C

TWL 707.5

FGL

900x900mm CHECKERED

PLATE COVER TO DETAIL

CLASS 20/20 MASS

CONCRETE BENCHING

200mm THICK CLASS

20/20 R.C. WALL

75mm THICK CLASS 15/20

CONCRETE BLINDING

150mm DIA.

OVERFLOW PIPE

50mm DIA.

SCOUR PIPE

1

2

3

4

5

2

6

7

8

9

2

6

10

6

11

12

20

03

70

0A

PP

RO

X. 1

0m

41

8

10

m

418

210 1000 4181000

75

200

200

1500

200

200

SCOUR & OVERFLOW PIPEWORK

SCOUR & OVERFLOW PIPEWORK


DESCRIPTIONITEM

QTY

1 150mm DIA. FLANGED SPIGOT PIPE, LENGTH 300mm WITH

PUDDLE FLANGE 60mm FROM SPIGOT END (PUDDLE FLANGE

WELDED TO TANK PANEL............................................................1Nr

2 150mm DIA. ALL FLANGED 90° BEND............................................3Nr

3 150mm DIA. ALL FLANGED PIPE 5800mm LONG...........................1Nr

4 150mm DIA. FLANGED SPIGOT PIPE 11m LONG

(CUT TO SUIT ON SITE).................................................................1Nr

5 150mm DIA. FLANGE ADAPTOR.....................................................3Nr

6 150mm DIA. FLANGED SPIGOT PIPE 1000mm LONG...................3Nr

7 150mm DIA. FLANGED BELLMOUTH

(WELDED TO BASE OF TANK WITH WATER TIGHT JOINT.........1Nr

8 150mm DIA. ALL FLANGED PIPE 3700mm LONG..........................1Nr

9 150mm DIA. FLANGED SPIGOT PIPE 10m LONG

(CUT TO SUIT ON SITE).................................................................1Nr

10 150mm DIA. COUPLING................................................................1Nr

11 150mm DIA. ALL FLANGED GATE VALVE...................................1Nr

12 150mm DIA. SINGLE FLANGED 90° BEND.................................1Nr

20

0

LIMIT OF PIPEWORK

FOR ELEVATED

WATER TANK

DN 150mm PUMPING

MAIN FROM PUMP

HOUSE

5

418 1200

41

85

00

0A

PP

RO

X. 1

00

00

41

8

300 418

FGL

STEP IRONS

TO DETAIL

200

200

1500

200

200

20

00

20

0

75


CONCRETE BLINDING

200mm THICK CLASS

25/20 R.C WALL

50

5A

PP

RO

X. 1

0m

31

00

24

0

f d

h

g

i

j

k

50

0

50

50

02

50

0

1000 418

58

00

44

3

300418

40

02

60

0

k 250mm DIA. COUPLING..............................................................1Nr

STEP IRONS

TO DETAIL

25

00

900x900mm CHECKERED

PLATE COVER TO DETAIL

WELDED TO TANK BASE PANEL)..............................................1Nr

WELDED TO TANK WALL PANEL)..............................................1Nr

12

.5

m

12

.5

m

12

.5

m

NOTES

1. ALL PIPE DIAMETERS AND VALVE

DIAMETERS ARE NOMINAL DIAMETERS

2. ALL DIMENSIONS ARE IN MM UNLESS

OTHERWISE STATED

3. ONLY FIGURED DIMENSIONS TO BE TAKEN

FROM THIS DRAWING

4. PIPE AND FITTINGS ARE BASED ON STEEL

PIPES AND FITTINGS MADE BY ASP (K) LTD

5. GATE VALVES TO EURO 20 SERIES, TYPE 23

(SHORT FACE TO FACE TYPE VALVES) AS

MADE BY POINT-A-MOUSSON (SAINT GOBAIN

PAM) OR APPROVED EQUIVALENT

6. BALL FLOAT VALVES TO SERIES 1048,

BIWATER OR APPROVED EQUIVALENT

7. THIS DRAWING TO BE USED FOR PIPEWORK

DETAILS ONLY

8. CONTRACTOR TO PROVIDE SHOP DRAWING

OF TANK AND TOWER DETAILS FROM AN

APPROVED STEEL FABRICATOR FOR

APPROVAL PRIOR TO FABRICATION AND

DELIVERY

APPROVED BY:CHECKED BY:

DESIGNED BY: DRAWN BY:

DATE:

DRAWING No.

SCALE:1:100

MAR. 2017

S.A.OS.A.O

M.S.MS.O.O

ELEVATED TANK

(CAPACITY 100m³)

PIPEWORK DETAILS

PROJECT TITLE:

CONSULTANCY SERVICES FOR

THE FEASIBILITY STUDY AND

PRELIMINARY DESIGN OF

WATER SUPPLIES FOR WAJIR

TOWN & DADAAB HOST

COMMUNITY WATER

MASTERPLAN

CONTRACT No:

CWSB/WaSSIP-AF/C/37/2016

CLIENT:

THE CHIEF EXECUTIVE OFFICER

COAST WATER SERVICES BOARD

P.O. BOX 90417 - 80100

MOMBASA, KENYA

DESIGN/SUPERVISING ENGINEER:

ZAMCONSULT CONSULTING

ENGINEERS LTD

P.O. BOX 68221,

00200 - CITY SQUARE, NAIROBI

WEBSITE: zamconsult.co.ke

TEL : +254-733750231

DRAWING TITLE:

FGL 695

FGL 695

FGL 695

FFL 705 FFL 705 FFL 705

TYPICAL DRAWINGS

UB TO STRUCTURAL

ENGINEER'S DETAIL

U.C TO STRUCTURAL

ENGINEER'S DETAIL

FGLFGL

BASE

PLATE

WELDED TO

U.C

600 600 450

1500

1000 1000 1000 1000 1000

AP

RO

X. 10000

75mm THICK CLASS

15/20 CONCRETE

BLINDING

CLASS 25/20 R.C

COLUMN BASE

600x600mm

CLASS 25/20

R.C. COLUMN

400

.

500

75

GMS CAT

LADDER WITH

SIDE STRAP

700

1000

1000

1000

FGL 695

FRONT ELEVATION

1:100

1500 1500

450450 450

FGL

FGL

25mm THICK

BASE PLATE

WELDED TO U.C

600

4 No. 19mm DIA. HD

BOLTS 650mm

LONG

4Y20

Y12@200

500

.

400

DEPTH TO BE

DETERMINED ON

SITE (MIN. 1000mm

BELOW EGL)

COLUMN BASE DETAILS

1:100

M16-150

1500

750 750

450450

BASE PLATE

NTS

40

270

40

75 200 75

40 35 200 35 40

350

350

75

200

75

FGL

FGL

U.B TO STRUCTURAL

ENGINEER'S DETAIL

U.C TO STRUCTURAL

ENGINEER'S DETAIL

GMS CAT LADDER WITH

SIDE STRAP

75mm THICK CLASS

15/20 CONCRETE

BLINDING

400

BASE PLATE

WELDED TO U.C

400

FGL

1500

DIAGONAL BRACINGS

TO STRUCTURAL

ENGINEER'S DETAIL

AP

RO

X. 10000


CONCRETE BLINDING

CLASS 25/20 R.C

COLUMN BASE

750x750mm CLASS

25/20 R.C. COLUMN

UB TO

STRUCTURAL

ENGINEER'S

DETAIL

700

SIDE ELEVATION

1:100

1000.0000

10001000100010001000100010001000

8000

3000

600450 450

750 750 750 750

600450 450

1500

1500 2100

1500

2100

225

800

SECTION X-X

1:25

400

565

35

1000

W

A

T

E

R

T

A

N

K

HAND RAIL

FOUNDATION PLAN

SCALE 1:100

1500

1500

750

750

750

750

2100

450 450600450 450600 2100

x

x

PLATFORM DETAILS

SCALE 1:50

150

800

800 3656

1000 1000 1000 1000 10001000

75 600 75 3690

1000 1000

NOTES

1. STRUCTURAL DETAILS TO BE TO

ENGINEER'S APPROVAL

2. R.C BASE TO BE CONFIRMED BY THE

ENGINEER

3. CONTRACTOR TO PROVIDE SHOP DRAWING

OF TANK AND TOWER DETAILS FROM AN

APPROVED STEEL FABRICATOR FOR

APPROVAL PRIOR TO FABRICATION AND

DELIVERY

APPROVED BY:CHECKED BY:

DESIGNED BY: DRAWN BY:

DATE:

DRAWING No.

SCALE: 1:100

MAR. 2017

S.A.OS.A.O

M.S.MS.O.O

PROJECT TITLE:





TOWN & DADAAB HOST

COMMUNITY WATER

MASTERPLAN

CONTRACT No:


CLIENT:



P.O. BOX 90417 - 80100

MOMBASA, KENYA

DESIGN/SUPERVISING ENGINEER:


ENGINEERS LTD

P.O. BOX 68221,



TEL : +254-733750231

DRAWING TITLE:

ELEVATED TANK

(CAPACITY 100m³)

TYPICAL DRAWINGS

ALL DIMENSIONS ARE IN MILLIMETERS UNLESS OTHERWISESTATED

ABBREVIATIONSO.D- Outside Diameter

uPVC- Unplasticised Polyvynl Chloride

C or C/L- Centre line

mm- Milimeter

m - Meter

> - Greater Than

KS - Kenya Standard

B.S- British Standard

SRN - Standard Reference Number

MIN - Minimum

NOTES

L

TYPICAL DRAWINGS

TROUGH DETAILS

STANDARD DRAWINGS





TOWN & DADAAB HOST

COMMUNITY WATER

MASTERPLAN

CONTRACT No:

CWSB/WaSSIP-AF/C/24/2013/A

THE CHIEF EXECUTIVE OFFICERCOAST WATER SERVICES BOARDP.O.BOX 90417 - 80100MOMBASA, KENYA

ZAMCONSULT CONSULTING ENGINEERS LTDP.O. BOX 68221,00200 - CITY SQUARE, NAIROBIWEBSITE: zamconsult.co.keTEL : +254-733750231

O.D. PIPE

100200200200100

100200

300

CONCRETE OGEE PIPE SLEEVE WITH 150mm THICK CONCRETECLASS 15/20 BED AND SURROUND

SCALE A1- 1: 100

Concrete Class 20

uPVC PIPE

TYPICAL TROUGH DETAIL

Approx. 20m

200200

Watering area

800

800

Watering area

SCALE A1- 1: 100SIDE ELEVATION

30003000

ELEVATION OF FENCE

7Y8-05-300 centres

200

Chain link fence

750

1Y10-04

450

2x3Y12-03-225(3B1+3B2)

50mm 1:3:6 Blinding

450mm dia Base & 100x100mmprecast concrete post

2100

GL

Precast concrete posts2100

Precast concrete posts

3000 3000 30003000

25mm MOVEMENT JOINT

ALL DIMENSIONS ARE IN MILLIMETERS UNLESS OTHERWISESTATED

NOTES

TYPICAL DRAWINGS

FENCE DETAILS

STANDARD DRAWINGS





TOWN & DADAAB HOST

COMMUNITY WATER

MASTERPLAN

CONTRACT No:

CWSB/WaSSIP-AF/C/24/2013/A



WATER

KIOSK

D1

W5

W4

D1

Store

600x600x50mm PCC

PAVING SLABS

125mm THICK CONCRETE CLASS

25/20 WORKTOP WITH

1 LAYER BRC MESH

Ma

so

nry

ta

ble

W2a

01

PLAN

A

A

02

D1

FGL

W4

FGL

ELEVATION 01

200mm DRESSED STONE WALL WITH RECESSED

HORIZONTAL JOINTS EXTERNALLY AND PLASTER

AND PAINT INTERNALLY,REINFORCED WITH HEAVY

GAUGE HOOP IRON AT EVERY ALTERNATE COURSE

600X1200mm STEEL CASEMENT

WINDOW (W4)

400x200mm RING BEAM,RENDERED

600x600x50mm PCC SLABS

FGLFGL

200mm DRESSED STONE WALL WITH RECESSED

HORIZONTAL JOINTS EXTERNALLY AND PLASTER

AND PAINT INTERNALLY

ELEVATION 02

300mm COMPACTED HARDCORE TOP

600x200mm CLASS 25/20 CONCRETE FOOTING WITH

SURFACE BLINDED WITH SAND AND GAUGE 500 POLYTHENE

Y12 AT 150 c/c REINFORCEMENT AT

BOTTOM BOTH WAYS

DPC

FGLFGL

CLASS 25/20 CONCRETE 50mm FLOOR SLAB + BRC MESH

REINFORCEMENT WITH CEMENT SAND SCREED FINISH

400x200mm CONCRETE CLASS 25/20 RING BEAM

SECTION A-A

SHEETS LAID IN 2 LAYERS

800X2100mm SOLID CORE TIMBER DOOR WITH

600x600x50mm PCC SLABS

FFL

SECONDARY METAL SECURITY GRILLED DOOR

EXTERNAL DOOR IS SOLID CORE TIMBER DOOR IN TWO PANELS

WITH EX100X50mm STILES AND TOP RAILS, EX 150X50mm MIDDLE

AND BOTTOM RAILS, AND INFILL PANELS IN EX100X50mm T&G

BATTENS, ALL IN PRIME GRADE CYPRESS, PAINTED

DOORS

WINDOWS

METAL CASEMENT WINDOWS,SIZES AS FOLLOWS

W2a - 1200x1200

W4 - 600x1200

W5 - 600x600

NOTES:

1. DIMENSIONS IN mm UNLESS OTHERWISE

2. ALL EXPOSED CONCRETE EDGES

3. CONCRETE WORKS: ALL REINFORCED

4. ABBREVIATIONS

R.C - REINFORCED CONCRETE

E.G.L - EXISTING GROUND LEVEL

F.G.L - FINISHED GROUND LEVEL

G.C.I -GALVANIZED CORRUGATED IRON

5. DRESSED STONE OR PCC WINDOW

6. FLOOR FINISHES - FLOOR SCREED WITH

7. ALL WINDOWS ARE PROVIDED WITH

SQUARE M.S BARS AT150mm CENTRES

HORIZONTALLY AND VERTICALLY FIXED

TO WALL WITH M.S FISH TAIL LUGS AT

NOTES:

SPECIFIED

HAVE A 25mm X 25mm CHAMFER

CONCRETE IS CLASS 25/20 EXCEPT

WHERE OTHERWISE SPECIFIED

D.P.C - DAMP PROOF COURSE

F.F.L - FINISHED FLOOR LEVEL

P.C.C - PRECAST CONCRETE

W.H.B - WASH HAND BASIN

CILLS WITH 25mm DRIP PROVIDED

FOR ALL WINDOWS

RED OXIDE

BURGLAR PROOFING MADE OF 12mm

600mm CENTRES AND PAINTED.

WATER KIOSK

PLAN, SECTION AND ELEVATIONS





TOWN & DADAAB HOST

COMMUNITY WATER

MASTERPLAN

CONTRACT No:




P.O.BOX 90417 - 80100

MOMBASA, KENYA


ENGINEERS LTD

P.O. BOX 68221,



TEL : +254-733750231

TYPICAL DRAWINGS

15Omm REINFORCED SLAB

800X2100mm

METAL LOUVRED

2000 Litres2000 Litres

2000 Litres

3 taps from a

15mm outlet pipe

with gate valve

1.ALL DIMENSIONS IN mm UNLESS OTHERWISE SPECIFIED

2.ALL EXPOSED CONCRETE EDGES TO HAVE A 25mm x25mm CHAMFER UNLESS OTHERWISE SPECIFIED

3.P.C.C WINDOW CILLS TO HAVE DRIPS

4.CONCRETE WORKS:ALL REINFORCED CONCRETE TO BECLASS 25/20 EXCEPT WHERE OTHERWISE SPECIFIED

5.ABBREVIATIONS:

R.C - REINFORCED CONCRETED.P.C - DAMP PROOF COURSEE.G.L - EXISTING GROUND LEVEL

F.G.L - FINISHED GROUND LEVELF.F.L - FINISHED FLOOR LEVEL

P.C.C - PRECAST CONCRETE

6.DOORS AND WINDOWS SCHEDULES ARE TO DETAIL

NOTES

3

1

2

24004

004

00

2400

400

400

2800

+ - 000dpc

200

400 4002400

Pump House

and confirmed with generator supplieropening for radiator to be checked

+ - 000 floor level

R.C.Col. 300 x 300 mm

ELEVATION 03

ELEVATION 02

SECTION A-A

ELEVATION 01

SCALE 1:150

PLAN

AA

p.c.c louvres

ROOF PROJECTION 600mm

PRESSED METAL LOUVREDDOOR TO SCHEDULE

300

5000

5600

375037001950300 300

2400

300300

30030010300

W1:1500x1200mm STEEL CASEMENT WINDOW TOSCHEDULE

W1

W1

W1

W1

200x200mm R.C COLUMN

P.C.C LOUVERS

200mm THICK MACHINE CUTSTONE WALL D1D1

PRESSED METAL LOUVRED DOORTO SCHEDULE

PUMP

HOUSE

RAMPRA

MP

600x600x50mm P.C.CCOVER

D2:900x2400mm WOODEN DOOR TOSCHEDULE

B

gantry girder 205 x 102x22 kg /m UB

12mm chip board ceiling on50x50mm timber brandering600x600 mm both ways.

400 x 200 mm R.C beam to S.E.'Sdetail

Colored Aluminium Zinc galvanised sheets laid on 40 x40mm timber battens at 340 mm c/c with polythene sheetunderlay on timber trusses to detail

ex100x50mm timber wall plate fixed to conc.beam

ex 200 x 40mm timber fascia board

gantry girder 205 x 102x22 kg /m UBp.c.c louvers

600mm wide x 300mm deep R.C strip footing to walls 150mm thick RC floor slab

300mm compacted hardcore

150mm thick class 20/20concrete ramp with ribbedsurface finish

PUMP HOUSE

PLAN, SECTION AND ELEVATIONS





TOWN & DADAAB HOST

COMMUNITY WATER

MASTERPLAN

CONTRACT No:




TYPICAL DRAWINGS

+ 0.100

3400x1800x600 RC plinth for generator top surface blinded with50mm sand layer and gauge 500 polythene sheeting

garissa water and sewerage company tender … · for elevated water tank dn 150mm pumping main from...

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