Project: Date:

Client

Type of Building

Design Engineer

No. Descriptions Design Parameters

Remarks

A.

B.

B.1B.2

C.

C.1C.2

D.

D.1

D.2D.3

E.

E.1

E.2E.3

F.

F.1F.2F.3

G.

G.1

G.2

G.3G.3.1G.3.2

Design Guidelines For Water Supply

Water Demand

Scale of DevelopmentTotal Water Demand

Local Authority

Scale of DevelopmentTotal Water Demand

Existing Pipeline

Location

Type of PipeSize of Pipe (mm)

Pressure Head Test

Location

Fee (Rm)Pressure Available (meter/bar)

Incoming Pipe

LocationNormal TappingPipe Jacking

Distribution Pipeline

Peak flow (gallon per minute – gpm)

Fire flow (gallon per minute – gpm)

Residual Head (meter)Peak FlowFire Flow

1 litre = 0.264 gallon1 m3 = 264 gallon

10m = 1 bar

2.5 x total water demand (gpm)

Total water demand (gpm)+ fire risk (gpm) (refer Appendix `C’)

- Malaysian Water Association (MWA)- Panduan Teknik Air JKR 92/87

Refer to Appendix `B’

A4.1

DESIGN INFORMATION WATER SUPPLY

No. Descriptions Design Parameters

Remarks

G.4G.4.1G.4.2G.4.3G.4.4

G.5G.5.1G.5.2G.5.3

G.6

H.

H.1

H.2

H.3

H.4

H.5H.5.1H.5.2

H.5.3H.6H.6.1H.6.2

H.6.3H.6.4

I.

I.1

J.

J.1

K.

K.1

L.

Type of pipeUnder Roads & Paved AreaMarrine AreaIncomingOthers

Pipe CoefficientM.S PipeD.I PipeHDPE

Minimum Cover

Distribution System

Residual Head (meter)

Pumping System – Running Hours (hours)

Suction Tank (capacity ¼ from total water demand)Elevated water tank capacity ¾ from total water demandSuction TankTypeSize

CapacityElevated Water TankTypeSize

CapacityHeight of Elevated Structure

Submission

Submission level

Contribution

Constribution fees (RM)

Approval Validity

Approval Validity (years)

Design Software

M.S Pipe/D.I PipeD.I PipeM.S/ D.I Pipe HDPE

Gallons/day

Gallons/dayHighest supply level + minimum residual head + losses

CASIO Software for pipe network (loop) analysis

D.I PipeD.I PipeD.I Pipe

G.5.1 – 110G.5.2 – 110G.5.3 - 130

- 1.2m for pipes buried at the side and under road- 0.9m for pipes buried in ground, away from roads

Required Elevated Water Tank

12 hours

Determine by local Authority

2 years

Hardy’s Cross Method

No. Appendix A Appendix BWater Demand Local Authority

A4.2

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

Low Cost Terrace House /FlatSingle Storey Terrace / Low Medium & Medium Costs FlatsDouble Storey Terrace House/High Cost FlatsSemi Detached HouseBungalow / CondominiumsShophouse (Single Storey)/ GeraiShophouse (Double Storey)Shophouse (Three Storey)Light Industrial WorkshopSemi Detached / Bungalow WorkshopsHeavy Industry

Medium Industry

Light Industry

Office / Complex / Commercial (Domestic Usage)Hotels (with dining and laundry facility – Demestic Usage)Hotel (3 star)

Hotel (5 star)

Schools /EducationInstitutions-Day School / Institution- Fully Residential

Hospitals (domestic usage)Mosque (domestic usage)Other place of worshipWet Market

Petrol Kiosk

= 1135 lpd (250 gpd)

= 1360 lpd (300 gpd)

= 1590 lpd (350 gpd)

= 1820 lpd (400 gpd)

= 2270 lpd (500gpd)

= 2270 lpd (500 gpd)

= 2730 lpd (600 gpd)

= 4090 lpd (900 gpd)

= 1590 lpd (350 gpd)

= 2730 lpd (600 gpd)

= 65,000 l/ha/day (6,000 gal/acre/day)= 50,000 l/ha/day (4,500 gal/acre/day)= 33,000 l/ha/day (3,000 gal/acre/day)= 1,200 lpd/100Sq.M (250gpd/1,000 sq.ft.)

1,360 lpd/room (300 gpd /room)2,000 lpd/room (440gpd/room)

55 lpd / student (12 gpd / student)360 lpd / student (80 gpd / student)1,100 lpd / bed (240 gpd / bed)135 lpd / person (12 gpd / person)

Johor

MelakaNegeri SembilanSelangor

PerakPulau PinangKedah

Perlis

Pahang

TerengganuKelantanSabahSarawak

- Syarikat Air Johor (SAJ) Holdings Sdn Bhd- Perbadanan Air Melaka- Jabatan Bekalan air negeri sembilan- Syarikat Bekalan Air Selangor Sdn Bhd- Lembaga Air Perak- Perbadanan Air Pulau Pinang- Jabatan Bekalan Air Negeri Kedah- Jabatan Bekalan Air Negeri Perlis- Jabatan Bekalan Air Negeri Pahang- Syarikat Air Terengganu- Syarikat Air Kelantan- Lembaga Air Sabah- Lembaga Air Sarawak

A4.3

55 lpd / person ( 12 gpd / person)820 lpd / store (180 gpd / store)5000 lpd / service bay (1080gpd / service bay)

No. Appendix A Appendix BWater Demand Local Authority

22.

23.

Stadium

Golf Course

55 lpd / person ( 12 gpd / person )5500 lpd / hole (1200 gpd / hole )

Note:- gpd = Gallon per daylpd = Liter per dayl/ha/day = Liter/hectares/day

Appendix ‘C’FIRE RISK

Class A Risk

Large buildings, shopping complexes, high rise buildings, large industrial estate, warehouse and ports.

Class B Risk

Congested areas with buildings up to 5 storeys.

Class C Risk

Shophouse up to 3 storey, light industry

Class D Risk

Residential terrace house, detached, semi detached

Class E Risk

Others

Average Total Flow( Litres )

( Per Minute )Spanning(Meters )

Maximum No. Of. Hydrant

Outlets UsedSimultaneously

4100

2700

1370

1140

680

90

90

90

120-terrace150-detached /semi detached

180

3@ 1370 1 pm

2 @ 1370 1 pm

1

1

1

A4.4

A4.5