ACE/TECHNICAL/DIWS*

Project: / Date:
Client
Type of Building / Design Engineer
No. / Descriptions / Design Parameters / Remarks
A.
B.
B.1
B.2
C.
C.1
C.2
D.
D.1
D.2
D.3
E.
E.1
E.2
E.3
F.
F.1
F.2
F.3
G.
G.1
G.2
G.3
G.3.1
G.3.2 / Design Guidelines For Water Supply
Water Demand
Scale of Development
Total Water Demand
Local Authority
Scale of Development
Total Water Demand
Existing Pipeline
Location
Type of Pipe
Size of Pipe (mm)
Pressure Head Test
Location
Fee (Rm)
Pressure Available (meter/bar)
Incoming Pipe
Location
Normal Tapping
Pipe Jacking
Distribution Pipeline
Peak flow (gallon per minute – gpm)
Fire flow (gallon per minute – gpm)
Residual Head (meter)
Peak Flow
Fire Flow / 1 litre = 0.264 gallon
1 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’
No. / Descriptions / Design Parameters / Remarks
G.4
G.4.1
G.4.2
G.4.3
G.4.4
G.5
G.5.1
G.5.2
G.5.3
G.6
H.
H.1
H.2
H.3
H.4
H.5
H.5.1
H.5.2
H.5.3
H.6
H.6.1
H.6.2
H.6.3
H.6.4
I.
I.1
J.
J.1
K.
K.1
L. / Type of pipe
Under Roads & Paved Area
Marrine Area
Incoming
Others
Pipe Coefficient
M.S Pipe
D.I Pipe
HDPE
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 demand
Suction Tank
Type
Size
Capacity
Elevated Water Tank
Type
Size
Capacity
Height of Elevated Structure
Submission
Submission level
Contribution
Constribution fees (RM)
Approval Validity
Approval Validity (years)
Design Software / M.S Pipe/D.I Pipe
D.I Pipe
M.S/ D.I Pipe
HDPE
Gallons/day
Gallons/day
Highest supply level + minimum residual head + losses
CASIO Software for pipe network (loop) analysis / D.I Pipe
D.I Pipe
D.I Pipe
G.5.1 – 110
G.5.2 – 110
G.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 B
Water Demand / Local Authority
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 /Flat
Single Storey Terrace / Low Medium & Medium Costs Flats
Double Storey Terrace House/High Cost Flats
Semi Detached House
Bungalow / Condominiums
Shophouse (Single Storey)/ Gerai
Shophouse (Double Storey)
Shophouse (Three Storey)
Light Industrial Workshop
Semi Detached / Bungalow Workshops
Heavy 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 /Education
Institutions
-Day School / Institution
- Fully Residential
Hospitals (domestic usage)
Mosque (domestic usage)
Other place of worship
Wet 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 (440
gpd/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)
55 lpd / person ( 12 gpd / person)
820 lpd / store (180 gpd / store)
5000 lpd / service bay (1080gpd / service bay) / Johor
Melaka
Negeri Sembilan
Selangor
Perak
Pulau Pinang
Kedah
Perlis
Pahang
Terengganu
Kelantan
Sabah
Sarawak / - 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
No. / Appendix A / Appendix B
Water Demand / Local Authority
22.
23. / Stadium
Golf Course / 55 lpd / person ( 12 gpd / person )
5500 lpd / hole (1200 gpd / hole )

Note:-gpd=Gallon per day

lpd=Liter per day

l/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 Used
Simultaneously
4100
2700
1370
1140
680 / 90
90
90
120-terrace
150-detached /
semi detached
180 / 3@ 1370 1 pm
2 @ 1370 1 pm
1
1
1

A4.1

Rev 05