5 5 4 - kericho county · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3)...

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Page 1: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 2: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620

20

00

50

0

300

2

FL

OW

FL

OW

4

1:50 (AT A1), 1:100 (AT A3)

WEIR CREST

4

1

3001000300

75

09

50

30

0

1000

30

06

00

10

00

48

03

00

3001300

1600

16

20

98

0

300

Stone Pitching

3

3

30

0

90

mm

D

IA

S

CO

UR

P

IP

E

5

5

27

55

3

1

5

m

m

Ø

P

I

P

E

L

I

N

E

44

50

12

00

30

010

01

00

50

03

00

30

03

00

1

12

50

COMPACTED EARTH FILL

COVERED WITH RIP RAP

GI/uPVC

COUPLING

GI PIPE

uPVC PIPE

TRASH RACK GROOVE

13

00

34

80

30000

2326.0

2

SECLECTED

STONE IN

1:1 MASS

CONCRETE

SECLECTED

STONE IN

1:1 MASS

CONCRETE

GMS GUARDRAIL

COUNTY GOVERNMENT

OF KERICHO

INTAKE WEIR

PLAN

Client:

Project:

STRATEGIC INTERVENTION

PROJECTS 2018/2019

Consultant:

Eng. Gilbert Bett

Reg. A2803

P.o Box 8946-00100, Nairobi

Tel: 0721277329

Drawing Title:

Designed by:

Drawn by:

Checked by:

Approved by:

PA/DM/PM

DR

JK

GB

Page 3: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620

1:50 (AT A1), 1:100 (AT A3)

1400 300

300

CONCRETE

CLASS

25/20

WEIR CREST = 2330.4

300 1000

ROCK LINE

150mm THICK MASS

CONCRETE

HARDCORE FILLING

300 1000 300

90mm DIA

SCOUR

PIPE

SELECTED STONE

IN

1:1 MASS

CONCRETE

30

0

70

0

315mm OFFTAKE PIPE

90

0

30

0

21

25

12

5

20

00

30000

2325.0

2325.00

COUNTY GOVERNMENT

OF KERICHO

INTAKE WEIR

SECTION 1-1

Client:

Project:

STRATEGIC INTERVENTION

PROJECTS 2018/2019

Consultant:

Eng. Gilbert Bett

Reg. A2803

P.o Box 8946-00100, Nairobi

Tel: 0721277329

Drawing Title:

Designed by:

Drawn by:

Checked by:

Approved by:

PA/DM/PM

DR

JK

GB

Page 4: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620

1:50 (AT A1), 1:100 (AT A3)

Y12@200c/c

Y12@200c/c

STRUCTURAL SECTION

500

12mm DIA MS TANGS

ANGLE WITH 300mm

100x100x10mm MS

WIER BODY

MASS CONCRETE

1 : 10 (AT A1), 100 (AT A3)

DETAIL 'X'

TANGS CAST INTO

300mm 12mm DIA MS

CONCRETE AT 500mm

C/C & WELDED TO MS

ANGLE

Y12@200c/c

Y12@200c/c

1:50 (AT A1), 1:100 (AT A3)

RIVER

BED

RIVER

BED

500

10

0

20

0

50

00

0

40

0

300 1700 4000 300

2000

1400 300

1508.60

1:50 (AT A1), 1:100 (AT A3)

SIDE WALL

16

00

2325.0

40

03

00

60

03

00

1:50 (AT A1), 1:100 (AT A3)

300

16

00

1700

OR

IGIN

AL G

RO

UN

D

SELECTED STONE IN

1:1 MASS CONCRETE

1508.60

2325.0

2325.0

1:50 (AT A1), 1:100 (AT A3)

DOUBLE FLANGED

750300 300

SLUICE GATE

400

100

60

0

1200

30

04

00

300 300

Course Screen

450 x 300mm

OFFTAKE OPENING

23

90

30

0

COVER SLAB

12

5

28

15

300

100 100

300

12

40

MASS CONCRETE

COMPACTED

EARTH FILL

LOCKABLE MILD

STEEL COVER

GI STRAIGHT WITH

PUDDLE FLANGE

PUDDLE FLANGE

GI FLANGED

STRAIGHT WITH

14

35

SUPPORT

3001250 2000

RIP RAP

Fine Screen

GMS GUARDRAIL

10029.00

OR

IGIN

AL G

RO

UN

D

70

01

69

0

1:50 (AT A1), 1:100 (AT A3)

12

5

12551120 300 300 300650

BREAST WALL

40

03

00

30

0

SLUICE GATE GROOVES

SCREENS

SLUICE GATE

IN MASS CONCRETE

SELECTED STONE

750

100

500300

23

90

30

0

GMS GUARDRAIL

12

00

3120

40400

SECLECTED

STONE IN

1:1 MASS

CONCRETE

SECLECTED

STONE IN

1:1 MASS

CONCRETE

COUNTY GOVERNMENT

OF KERICHO

INTAKE WEIR

SECTIONS

Client:

Project:

STRATEGIC INTERVENTION

PROJECTS 2018/2019

Consultant:

Eng. Gilbert Bett

Reg. A2803

P.o Box 8946-00100, Nairobi

Tel: 0721277329

Drawing Title:

Designed by:

Drawn by:

Checked by:

Approved by:

PA/DM/PM

DR

JK

GB

Page 5: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 6: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 7: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 8: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620

50 mm THICK BLINDING

FLOOR SLAB

1:25

SECTION A-A

20

T. W. L

150

50 FALL

50 FALL

ROOF SLAB CONCRETE

CLASS 20

3150

650

230 6140 230

100

SINGLE FLANGED CONCENTRIC TAPER

SCHEDULE OF PIPEWORK & FITTINGS

DESCRIPTION

DOUBLE FLANGED CONCENTRIC TAPER

SINGLE FLANGED PIPE PIECE c/w PUDDLE

DOUBLE FLANGED PIPE PIECE L = 300

DOUBLE FLANGED SLUICE VALVE

SINGLE FLANGED PIPE PIECE L = 500

STEPPED COUPLING STEEL/uPVC

SINGLE FLANGED PIPE PIECE L = 850

SINGLE FLANGED PIPE PIECE L = 500

DOUBLE FLANGED SLUICE VALVE

DOUBLE FLANGED LONG RADIUS 90° BEND

SINGLE FLANGED PIPE c/w CENTRAL PUDDLE

DOUBLE FLANGED PIPE PIECE L = 3250

DOUBLE FLANGED LONG RADIUS 90° BEND

DOUBLE FLANGED PIPE PIECE c/w PUDDLE

FLANGE L = 700

16. FLEXIBLE STRAIGHT COUPLING

18

17.

FLANGED BELLMOUTH

15.

14.

13.

12.

7.

FLANGE ADAPTOR

FLANGE L = 925

9.

11.

10.

8.

FLANGE L = 900

6a.

6.

4.

5.

ITEM

(150 x 100)

BALL FLOAT VALVE

3.

2.

1.

1GI/GS

GI/GS

GI/GS

1

1

GI/GS

GI/GS

1

1

GI/GS

GI/GS 1

1

GI/GS 1

GI/GS 1

GI/GS

GI/GS

1

3

GI/GS 1

STEEL

STEEL

2

2

GI/GS

GI/GS

2

1

DIA.

GI/GS

GI/GS

1

1

MTRL

-

No.

1

8

A 11

6 6a

9

6

7 4 4 32

1

B

250 250

625

B

27

31

600

SCOUR

28

500

24

25

SECTIONAL PLAN

1:25

30

32

300

350

625

425

712

75

50

12

500

1415

350

300

20

1819

21

17

TO DISTRIBUTION

250 mm Ø PIPE

16

150 mm WELL RAMMED

BROKEN ROCK FII

10

DOUBLE FLANGED SLUICE VALVE

DOUBLE FLANGED PIPE c/w PUDDLE FLANGE

PLAIN ENDED PIPE c/w PUDDLE FLANGE

SINGLE FLANGED PIPE PIECE L = 850

DOUBLE FLANGED PIPE PIECE L = 300

FLEXIBLE STEPPED COUPLING

DOUBLE FLANGED LONG RADIUS 90° BEND

PLAIN ENDED PIPE c/w PUDDLE FLANGE

DOUBLE FLANGED SLUICE VALVE

FLEXIBLE COUPLING

FLANGE ADAPTOR

L = 900

L = 750

31

32

30

28

29

26

27

FLANGE ADAPTOR

FLANGED BELLMOUTH

FLANGE ADAPTOR

L = 1000

25

24

22

23

20

21

19

GI/GS

GI/GS

GI/GS

1

1

1

GI/GS

GI/GS

GI/GS

GI/GS 1

1

1

2

GI/GS

GI/GS

GI/GS

GI/GS

2

1

1

1

GI/GS

GI/GS

GI/GS

1

1

1

INLET PIPE

350

32

75

875

50

300

31

30

29

WATER STOP

GALVANISED MS

1:25

SECTION B - B

150 THICK CONCRETE SLAB

150 THICK HARDCORE OF

75 THICK BLINDING

APPROVED MATERIAL

SCOUR PIPE

25

28

26 27

24

+XXXXXX

+XXXXXX

MIX 1:4:8

CONCRETE CLASS 20

T.W .L

OUTLET PIPE

12

14

16

15 17

TO DISTRIBUTION

19

21

20

22

930

100

730

100

600

300

R

3

4

5

0

R

3

3

0

0

R

3

0

0

0

600

2330

500

675

625

200 438

200

100 400

100

A

TOP OF COVER 680 x 680 mm

FOR ALL CHAMBERS DEPTH

EXCEEDING 1.0 m.

THIS DRAWING IS TO BE READ IN

CONJUNCTION WITH OTHER DRAWINGS

ALL LEVELS ARE IN METRES ABOVE

COVER TYPE A :

COVER TYPE B :

FOR ALL CHAMBERS NOT

TOP OF COVER 480 x 680 mm

EXCEEDING A DEPTH OF

2.

3.

1.0 m.

1.

SEA LEVEL

COUNTY GOVERNMENT

OF KERICHO

100m³ MASONRY TANK

PLAN AND PIPE WORK DETAILS

Client:

Project:

STRATEGIC INTERVENTION

PROJECTS 2018/2019

Consultant:

Eng. Gilbert Bett

Reg. A2803

P.o Box 8946-00100, Nairobi

Tel: 0721277329

Drawing Title:

Designed by:

Drawn by:

Checked by:

Approved by:

PA/DM/PM

DR

JK

GB

Page 9: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620

50 mm THICK BLINDING

FLOOR SLAB

1:50

SECTION A-A

ROOF SLAB CONCRETE

CLASS 20

650

6140

150 mm WELL RAMMED

BROKEN ROCK FILL

MIX 1:4:8

CONCRETE CLASS 20

6840

0.50 % FALL

DETAIL A

200200

150

DETAIL B

150

300

300

1

0

0

6

1

0

1

0

0

1

0

0

6

1

0

1

0

0

ROOF PLAN

1:50

R

3

0

7

0

R

3

2

7

0

R

3

4

2

0

3

5

0

A

G.L.G.L.

R

3

0

7

0

R

3

2

7

0

3800

100

TOP WATER LEVEL

1:50

ROOF PLAN

0.50 % FALL

A

BITUMINUOS PAINT 1 mm THICK

SIMILAR APPROVED

LAP LENGTH =150 mm OR

MILD STEEL STRIP WATERSTOP

150 mm WIDE GALVANIZED

30

150

75

1:10

DETAIL `A'

ROOF SLAB

BITUMASTIC FILLER

(E.G. BONDEX)

DETAIL `B'

1:10

610

REBATE IN SLAB

TO TAKE FRAME

MANHOLE COVER AND FRAME DETAILS

25

100

CONCRETE CLASS 20

FRAME HAUNCHING IN

25

100

20 mm CONCRETE

1:10

COVER

MANHOLE COVER AND FRAME

No. C6 24/24

SIMILAR APPROVED

LAP LENGTH =150 mm OR

MILD STEEL STRIP WATERSTOP

150 mm WIDE GALVANIZED

WALL CONSTRUCTION JOINT

1:10

STOP SHALL BE 18 GAUGE (1.215 mm) OR

CONNECTED TO A ROCKFIELD DRAINAGE

TRENCH. THE TRENCH SHALL FALL TO A

THE BROKEN ROCKFILL PLACED AGAINST

SUITABLE OUTFALL AS DIRECTED BY

THE BOTTOM OF THE WALL IS TO BE

THE ENGINEER.

18. DRAINAGE

THICKER

OLD SURFACE SHALL BE ROUGHENED

APPROVED BY THE ENGINEER.

BE TO B.S. 497 SINGLE SEAL, FLAT TYPE,

PIPEWORK AND ROOF SCREED MIX. 1:3:6

17. THE GALVANISED MILD STEEL WATER

12. CONCRETE MIXES TO BE AS FOLLOWS:

MASS CONCRETE FILL AND BLINDING

REINFORCEMENT CONCRETE CLASS 25/20

13. MINIMUM COVER TO ALL REINFORCEMENT

14. ALL EXPOSED ARRISES TO HAVE 25x25 mm

16. MANHOLE COVERS AND FRAMES SHALL

PLACED IN RECESS FORMED IN THE SLAB

AS SHOWN.

LIGHT DUTY AND THEY SHALL BE

MALLEABLE CAST IRON TO BS 1247.

CHAMFERS

15. STEP IRONS SHALL BE GALVANIZED

SPECIFIED.

TO BE 40 mm UNLESS OTHERWISE

MASS CONCRETE SURROUND TO

MIX: 1:4:8

SQUARE TWISTED BARS TO B.S. 4461.

STOP SHALL BE 18 GAUGE (1.215 mm) OR

WATER SHOULD BE REMOVED SO THAT

AND ALL LAITANCE AND LOOSE MATERIAL

THOROUGHLY WATERED BUT EXCESS

THE CONSTRUCTION JOINTS ARE IN A

5. THE GALVANIZED MILD STEEL WATER

8. CEMENT TO BE ORDINARY PORTLAND

9. CONCRETE AGGREGATES TO COMPLY

11. JOINT FILLER TO B.S. 5292 AND TO BE

10. WATER IN CONCRETE MIXES TO B.S. 3148.

WITH B.S. 882.

CEMENT TO B.S. 12.

6. REINFORCEMENT TO BE HIGH YIELD

7. BENDING DIMENSION TO B.S. 4466.

CONDITION.

SATURATED BUT SURFACE DRY

REMOVED.THE SURFACE SHALL BE

THICKER.

DESIGN CODES: B.S. 5337 & C.P. 110

PLACING FRESH CONCRETE THE

PROVIDING ALL SPACER BLOCKS, CHAIRS

CONSTRUCTION AND SETTING OUT OF

250 mm OF SOIL TOPPING ON ROOF SLAB.

ENGINEER BEFORE COMMENCEMENT OF

3. THE CONTRACTOR IS RESPONSIBLE FOR

DIRECTED BY THE ENGINEER OR AS

INTERMEDIATE JOINTS TO BE AS

AND TYING WIRE.

4. CONSTRUCTION JOINTS:

THE POSITION AND NUMBER OF

SHOWN IN THE DRAWING. BEFORE

WORK TO BE APPROVED BY THE

BEARING CAPACITY 150KN/m

FOUNDATION SOIL WITH MINIMUM

UNIFORM NON COMPRESSIBLE

0.3KN/m LIVE LOAD ON ROOF SLAB

2. PROGRAMME, METHOD OF

WORK.

2

1. DESIGN CRITERIA:

NOTES :

COUNTY GOVERNMENT

OF KERICHO

100m³ MASONRY TANK GENERAL

ARRANGEMENT AND DETAILS

Client:

Project:

Consultant:

Eng. Gilbert Bett

Reg. A2803

P.o Box 8946-00100, Nairobi

Tel: 0721277329

Drawing Title:

Designed by:

Drawn by:

Checked by:

Approved by:

PA/DM/PM

DR

JK

GB

STRATEGIC INTERVENTION

PROJECTS 2018/2019

Page 10: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620

SHOWING REINFORCEMENT

HALF PLAN BOTTOM SLAB

1:25

DETAIL A

MK

14

MK

13

1:25

MK

12

MK

11

MK

10

MK

9

MK

8

MK

7

MK

6

MK

5

MK1

MK

4

MK

3

MK

2

MK

1

MK1

MK2

MK5

MK3

MK4

MK6

MK7

MK9

MK8

MK10

MK11

MK12

SECTION A-A

1:25

BONDEX JOINT

IT AND THE WALL

BONDEX JOINT

ALL MORTAR JOINTS TO BE 20 mm THICK

SURFACE OF FLOOR SLAB TO BE WELL COATED

WITH LIME WASH TO PREVENT BOND BETWEEN

DETAIL A

R.C ROOF SLAB 1:2:4 CLASS 20

MAX. AGGREGATE SIZE 20 mm.

20 mm AVERAGE PLASTER

2:1 SAND: WATERPROOF CEMENT

(PUDLO) TO BE ADDED TO MORTAR

(VARYING LAPS)

150 mm. BROKEN ROCK FILLING

MK14

MK13

1;2;4 CLASS 20 FLOATED SMOOTH

BOTTOM SLAB REINFORCEMENT FOR

BAR MARKS SEE REINFORCEMENT DRG.

R.C. FLOOR SLAB, CONCRETE

WITH 1;2 CEMENT SAND PLASTER

BLINDING 1:4:8 CLASS

8

8

8

8

8

8

12

3No. MK 39

(VARYING LAPS)

4No. MK 39

(VARYING LAPS)

15

13

14

3No. MK 39

(VARYING LAPS)

10

11

9

8

85500 44000

12 6600

4875

8 4050

3 19800

8

8

32440

39000

6425

6000

7050

6775

8

8

48000

51400

8

8

54200

56400

DIA

8

8

8

8

8

mm.

8

8

(VARYING LAPS)

2No. MK 39

1No. MK 39

5

7

6

4

3

2

1

BAR

MARK

7675

7300

7525

7875

7800

8 61400

8

8

58400

60200

8

8

62400

63000

7975

7925

OF EACH

LENGTH

8

8

63400

63800

No. OF

EACH

LENGTH

TOTAL

4370100

100

3750

2930

654060

500

500

100

100

60

500

500

100

100

5630

5290

5920

4870

500

500

500

100

100

500

500

100

100

500

500

500

100

100

500

500

100

100

500

500

6740

6660

6540

6170

6350

100

500

500

100

100

500

500

100

100

100

500

500

100

100

500

500

100

100

6840

SHAPE

6800

500

500

100

100

500

500

100

100

ROOFING FELT

CLASS 20 MAX AGGREGATE

R.C ROOF SLAB 1:2:4

SIZE 20 mm

2No. MK 40 LAID CIRCULAR AT

AT 6.78 m DIA.

A

T.W.L.

DRESSED STONES

150x230 mm LENGTH

NOT EXCEEDING 300 mm

NOT EXCEEDING 300 mm

150x300 mm LENGTH

DRESSED STONES

20 mm.

(AVERAGE)

PLASTER

MK

25

MK37

R3300

MK35

MK34

MK36

MK

29

MK

30

MK

31

MK

26

MK

27

MK

28

MK

20

MK

24

MK

23

MK

22

MK

21

MK

19

MK

18

MK

17

MK

16

MK32

MK33

MK15

MK15

MK19

MK16

MK18

MK17

MK23

MK21

MK20

MK22

MK25

MK24

MK26

MK27

MK28

MK29

MK3O

MK31

610x610 mm MANHOLE COVER

MK38

MK31

ACCORDING TO BS REF.No. C6-24/24

MK41

1:25

HALF PLAN OF ROOF SLAB

A

6060 31703250

3250 11041

40

39

38

37

12

10

12000

12000

10

10

3500

1525

34

36

35

33

32

260012

10

10

1825

2075

12

12

2175

5425

52001027

31

30

29

28

10

10

2900

3700

10

10

4325

4800

26

25

24

23

12

12

5525

5700

12

12

5875

6025

BOTTOM SLAB

CIRCUMFERENTIAL BAR IN

CIRCUMFERENTIAL BAR IN

1272000

480004

106

1

2

3500

3050

WALL

60

16275

13050

3 7800

2

2

3650

4150

6

3

3410

1480

60

60

2600

1785

2025

60

60

2150

5380

60

60

60208004

144OO

12975

11100

116004

3

3

3

60

60

60

60

23500

24100

22800

221004

4

4

4

60

60

60

60

60

5130

2820

3630

60

60

4240

4720

60

60

5460

5630

60

60

5800

5960

60

60

20

22

21

19

18

12 6350

12

12

6150

6275

12

12

6425

6500

mm.

DIA.

17

16

MARK

BAR

12

12

6500

6575

OF EACH

LENGTH

SHAPE

26000

25700

24600

25100

254004

4

4

4

4

60

60

60

60

60

TOTAL

LENGTH

26300

262004

4

No. OF

EACH

60

60

6280

6080

6200

60

60

6360

6430

60

60

60

6480

6510

60

60

2.

3.

SSRN 127.

DRAWING.

5.

CEMENT TO SSRN 103.

WITH SSRN 108 - 111.

6.

7.

SSRN 114.

4.

WATER IN CONCRETE MIXES TO

CEMENT TO BE ORDINARY PORTLAND

REINFORCEMENT TO BE MILD STEEL TO

SSRN 138 AND ANY SPECIFICATION

IN GENERAL WORKMANSHIP SHALL BE TO

ISSUED IN CONJUNCTION WITH THIS

CONCRETE AGGREGATES TO COMPLY

JOINT FILLER TO SSRN 843 AND TO

BE APPROVED BY THE PROJECT

1. WORK TO FIGURED DIMENSIONS ONLY

2

8.

2

2

20 N/mm (2900 lbf/in) RESPECTIVELY.

STRENGTH AT 7 (CLASS 20) & 28 DAYS

NOMINAL MIX. MAXIMUM AGGREGATE SIZE

MAXIMUM AGGREGATE SIZE 20 mm (3/4).

MAXIMUM AGGREGATE SIZE 40 mm (1/2).

TO PIPEWORK:- 1: 3: 6 NOMINAL MIX.

MIX. MAXIMUM AGGREGATE SIZE 40 mm

CONCRETE MIXES TO BE AS FOLLOWS:-

MASS CONCRETE FILL 1: 4: 8 NOMINAL

OF 15N/ mm (2175 lbf/in) AND

20 mm (3/4) WITH WORKS CUBE

FLOOR AND ROOF SLAB:- 1: 2: 4

BLINDING:- 1: 4: 8 NOMINAL MIX.

(1/2). MASS CONCRETE SURROUND

MANAGER'S REPRESENTATIVE

BROUGHT TO A SMOOTH FINISH WITH A

MANUFACTURER. THE PLASTER SHALL BE

THE RATES RECOMMENDED BY THE

DISCRETION OF THE ENGINEEER AND AT

(eg PUDLO) MAY BE ADDED AT THE

SAND. A WATER ROOF MATERIAL

20mm THICK PLASTER OF 1:2 CEMENT/

A SMOOTH FINISH WITH A STEEL FLOAT,

AND THE SCREED SHALL BE BROUGHT TO

THE MIX. SHALL BE 1: 2 CEMENT/SAND

STEEL FLOAT.

WALLS

FLOOR SCREED

RENDERINGS9.

10. WALL

THESE SHALL BE OF EITHER DRESSED

BE IN 1:3 CEMENT/SAND MORTAR AND

BEFORE BEING LAID. THE JOINTS SHALL

NOT LESS THAN 20 mm THICK. ALL

x 0.20 TO 0.30 LONG. ALL BLOCKS

BLOCK TO BE 0.225 WIDE x 0.15 DEEP

LEFT IN WATER 24 HOURS IMMEDIATELY

USING 1:2:4 MIX (CLASS 20) EACH

STONE OR PRECAST CONCRETE BLOCKS

JOINTS SHALL BE COMPLETELY FILLED

11.

12.

13.

14.

15.

THE MANHOLE COVER AND FRAME SHALL BE

SLIP JOINT AT BASE AND TOP WALL

THE FLOOR AND THE TOP OF THE WALL SHALL

BE BROUGHT TO A SMOOTH FINISH AND BE

MANHOLE

DRAINAGE

WHERE THE TANK IS FOUNDED ON BLACK

SLAB IS TO BE REINFORCED BY 8 mm Ø BARS

TO GIVE A MINIMUM THICKNESS OF 1 mm.

TO B.S 497 SINGLE SEAL, FLAT TYPE, LIGHT

FORMED IN THE ROOF SLAB AS SHOWN.

SUITABLE OUTFALL AS DIRECTED BY THE

THE BROKEN ROCK FILL PLACED AGAINST

THE BOTTOM OF THE WALL IS TO BE

TRENCH. THE TRENCH SHALL FALL TO A

COTTON SOIL ,THE BOTTOM OF THE FLOOR

GIVEN THREE COATS OF BITUMINOUS PAINT

FOUNDATION LEVEL TO BE DECIDED BY THE

PROJECT MANAGER'S REPRESENTATIVE

AT 200 mm c/c BOTH WAYS

WITH MORTAR.

CONNECTED TO A ROCK FILLED DRAINAGE

PROJECT MANAGER'S REPRESENTATIVE

DUTY. IT SHALL BE PLACED IN A RECESS

COUNTY GOVERNMENT

OF KERICHO

100m³ MASONRY TANK

STRUCTURAL DETAILS

Client:

Project:

Consultant:

Eng. Gilbert Bett

Reg. A2803

P.o Box 8946-00100, Nairobi

Tel: 0721277329

Drawing Title:

Designed by:

Drawn by:

Checked by:

Approved by:

PA/DM/PM

DR

JK

GB

STRATEGIC INTERVENTION

PROJECTS 2018/2019

Page 11: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620

AA

1:50

WALL REINFORCEMENT

7

8

7

8

7

8

7

8

7

7

7

7

7

7

7

7

6

0

0

m

m

L

A

P

S

78

76

76

78

76

76

77

17Y8-(59-75)-200

18Y8-(59-75)-200

17Y8-(59-75)-200

58

59

58

59

75

75

75

75

BASE REINFORCEMENT TOP

1:50

A

A

1:50

BASE REINFORCEMENT BOTTOM

57

17Y8-(41-57)-200

A

57

41

41

57

17Y8-(41-57)-200

41

41

57

13Y12-(02-13)-100

A

17Y8-(41-57)-200

18Y8-(59-75)-200

33

01

02

01

02

33

13Y12-(01-13)-100

A

32Y12-(02-33)-100

1:50

ROOF REINFORCEMENT BOTTOM

33

13

14a

21a

22

32Y12-(02-33)-100

13Y12-(02-33)-100

8Y12-(14a-21a)-100

8Y12-(14a-21a)-100

12Y12-(22-33)-100

8Y12-(14a-21a)-100

8Y12-(14b-21b)-100

13

14a

21a

22

A

12Y12-(22-33)-100

2Y8-36

2Y8-37

2Y8-39

2Y8-38

1Y8-40

3Y8-25-250

3

9

3

9

3

9

3

9

38

38

38

38

3

7

3

7

3

6

3

6

5

0

0

m

m

L

A

P

S

ROOF REINFORCEMENT TOP

1:50

64Y8-34-250

A

A

102Y10-76-200

2x2

6Y

10

-7

7-1

50

78

33

39

38

36

37

02

01

02

01

78 77

57

41

59

58

59

58

2x2

6Y

10

-7

8-1

50

77 78

75

57

102Y10-76-200

77

78

33

37

38

39

21

a

14

a

21

a

22

36

34

MANHOLE DETAIL

1:25

(

2

+

2

)

Y

1

2

-

4

0

a

(

2

+

2

)

Y

1

2

-

4

0

a

NOTES:

LAPS OF HORIZONTAL BARS IN WALLS

1.

SHOULD BE STAGGERED IN ORDER TO

AVOID CONSECUTIVE LAPS IN ANY VERTICAL

SECTION. MINIMUM LAPS 600 mm.

COUNTY GOVERNMENT

OF KERICHO

100m³ MASONRY TANK

STRUCTURAL DETAILS

Client:

Project:

Consultant:

Eng. Gilbert Bett

Reg. A2803

P.o Box 8946-00100, Nairobi

Tel: 0721277329

Drawing Title:

Designed by:

Drawn by:

Checked by:

Approved by:

PA/DM/PM

DR

JK

GB

STRATEGIC INTERVENTION

PROJECTS 2018/2019

Page 12: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 13: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 14: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 15: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 16: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 17: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 18: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 19: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620
Page 20: 5 5 4 - Kericho County · 2019. 5. 9. · 2000 500 300 2 flow flow 4 1:50 (at a1), 1:100 (at a3) weir crest 4 1 3001000300 750 950 300 1000 300 600 1000 480 300 1300300 1600 1620