No

Description

Unit

1

Name of Scheme

-

Bongawan Irrigation Scheme

2

Year Completed

-

1985

3

Project Function

-

Irrigation

4

Capital Cost

RM

1.4 million

5

Brief Description of Scheme

-

This scheme is situated in the West Coast of Sabah in the district of Papar. This scheme covers an area of 192 Ha. Water from the Bongawan River flows by gavity to the fields. Double cropping is practiced by farmers.

6

Project Area

Ha

192

7

Average Annual Rainfall

mm

4273.7

8

Soil Type

-

Clay loam

9

Number of Household

-

250

10

Average Family Size

-

10

11

Estimated Population

-

7800

12

Average Holding size

Ha

0.728

13

Main Season

Month

July - December

14

Off Season

Month

January - June

15

Yield for Main Season

mt/ha

3

16

Yield for Off Season

mt/ha

3

17

Cropping Intensity for Main Season

%

95

18

Cropping Intensity for Off Season

%

70

19

Planting method

-

Broadcast

20

Mechanisation: Land Preparation

%

100

21

Mechanisation: Harvesting

%

80

22

Paddy Variety Planted

-

MRT

23

Water Source

-

Sg. Bongawan

24

Irrigation method

-

Gravity

a

Total number of pumps in Main Station

nos

-

b

Capacity per pump

l/sec

-

25

Irrigation Area

Ha

152.97

26

Earth canal Length

m

-

27

Lined canal Length

m

9025

28

Drain Length

m

8285

29

Farm Road Length

m

7591

30

Pipe Length

m

-

31

Canal Density

m/ha

49.6

32

Drain Density

m/ha

45.5

33

Farm Road Density

m/ha

41.7

34

Pipe Density

m/ha

-

35

Structure Details

a. Foot Bridge

nos

0

b. Tractor Bridge

nos

9

c. Junction Box

nos

1

d. Headwork

nos

1

e. Offtake

nos

3

f. Drop Structure (ICD)

nos

1

g. End Control

nos

5

h. Irrigation control Structure

nos

21

i. Syphone

nos

0

j. Road culvert / Drainage culvert

nos

0

k. Pipe flume/Chute/Pipe Drop

nos

NA

l. Tidal Gate

nos

0

36

Average O&M cost/annum

RM

50,000.00