1st Edition (2016)

Abbreviations

DID Department of Irrigation and Drainage

L&S Land and Survey Department

EPC Engineering Plan Committee

MSMA Manual Saliran Mesra Alam Malaysia

BMP Best Management Practice

ESCP Erosion and Sediment Control Plan

ARI Average Recurrence Interval

OSD On Site Detention

BRSO Borneo Rectified Skewed Orthomorphic (Datum : Timbalai

1948)
 1st Edition (2016)

1.0 INTRODUCTION

This guideline has been prepared by DID Sarawak for the Drainage Plan Approval
based on Sarawak Urban Stormwater Management (SUStoM). SUStoM was
approved by the State Cabinet on 28th January 2016 as a planning standard for
development control to incorporate stormwater management into the design to
minimize environmental degradation and improve aesthetic as well as
recreational appeal of areas in Sarawak.

It is a guideline to establish a uniform technical standards for the developers,

engineers, consultants, planners, architects, Local Authorities and Government
Agencies in submitting the SUStoM Planning Submission, Earthwork Plan and
Erosion and Sediment Control Plan (ESCP) and Stormwater Management Plan.

Its objective is to assist the applicants or project proponent to submit a complete

and comprehensive SUStoM Planning Submission, Earthwork Plan and Erosion
and Sediment Control Plan (ESCP) and Stormwater Management Plan that is in
accordance with SUStoM requirements.

This publication emphasizes on 3 main development processes whereby DID is

involved as follows:-

i) SUStoM Planning Submission,

ii) Earthwork Plan & Erosion Sediment Control Plan, and
iii) Stormwater Management Plan Submission (Engineering Plan).

This guideline is read in conjunction with Manual Saliran Mesra Alam (MSMA) 2nd
Edition, 2012 & Guideline for Erosion and Sediment Control Plan (ESCP) in
Malaysia 2010.

The needs and requirement in this book is subjected to amendment and updates
whenever deemed necessary.

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2.0 PRINCIPLES AND OBJECTIVES

The incidence of flash floods in urban areas is becoming more severe from year
to year. This is partly due to the encroachment into the river corridor/river
reserve which serves as natural space for water.

Currently, in order to mitigate such nuisance flash floods, conventional drainage

systems were designed to provide the fastest possible disposal of stormwater
runoff out of the catchments into the receiving water bodies.

In the past, the design of conventional drainage systems used to be based on

the first urban drainage manual, Planning and Design Procedure No. 1:
Urban Drainage Design Standards and Procedures for Peninsular
Malaysia published in 1975 by the Department Of Irrigation and Drainage
(DID) Malaysia. This manual was in use for 25 years in Peninsular Malaysia
whereas in Sarawak, the same manual have been in used for more than 40
years. According to the aforesaid manual, the drainage system is designed based
on rapid disposal which unfortunately has led to the increase of flash
flooding occurrences at the downstream of catchments due to the increase in
surface runoff, peak discharges and shorter time of concentration. Thus, this
rapid disposal approach is no longer effective and efficient in tackling flooding
woes as more and more development takes place.

The main focus of SUStoM is to manage the stormwater by using an

environmental friendly approach based on control-at-source techniques,
which include control water quantity and quality as well as erosion and sediment
control. This method utilises detention or retention (to store water temporarily),
infiltration to reduce runoff, and purification to improve the water quality upon
reaching the river system. Thus, the quantity and quality of the stormwater
runoff from a developed area can be retained to its pre-development condition.

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SUStoM is also to provide easy guidance to all regulators, planners and

designers who are involved in stormwater management
implementation. This is to ensure that the administration of the planning,
design and maintenance of stormwater system is consistent across all the
authorities and the professions of urban development, environmental, water
resources, civil engineering and landscape architecture.

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 1st Edition (2016)

3.0 SUStoM PLANNING SUBMISSION

3.1 General

As a technical department, DID Sarawak has been entrusted by the government

to provide technical advice on stormwater management. DID Sarawak will look
into the need to preserve and safeguard river or stream reserve, drain reserve,
detention or retention pond reserve, coastal reserve requirement and so on. This
is to ensure that ample space is made available as buffer to contol riverbank
erosion, for flood plain and bankfull discharge zone, as access to carry out
operation and maintenance works along the river, as a platform to carry out
flood mitigation and riverbank protection infrastructures (i.e. flood mitigation
pumping station, bunds, tidal gates, river wall, jetties, wharfs, etc.), as space for
river conservation and improvement (i.e. river dredging, desilting, deepening and
widening works), and for aesthetic and recreational activities.

Thus, fulfilling a requirement for a sustainable development from the flood

management perspective within the intergrated water resources management.

3.2 Processing Of SUStoM Planning Submission to DID Sarawak

All Consultants must complete and submit the Checklist for SUStoM
Planning Submission to DID Sarawak. Details on the checklist are as
below:

A Plan Features

Plans submitted must be complete, organized and neatly folded

into A4 size
The paper size must be A1 drawing size
The title must be located at the top when the plan is folded

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 1st Edition (2016)

B Locality Plan on Borneo Rectified Skewed Orthomorphic

(BRSO) Projection (digital format) - 2 copies

Scale : 1 : 25, 000 or scale required by the Divisional Engineer

The information that need to be shown / indicated:

i) All the important properties such as main roads, trunk drains,

cable trail, water mains, elements of topography and other cables
if any
ii) Show with detail and thoroughly on the plan, the sheet numbers,
district, and regional scale and the north point.

C Key Plan - 2 copies

Scale : 1 : 25,000
The information that need to be shown / indicated

i) The entire catchment area that are involved in the area to be

developed
ii) The lines of the existing land border for the related lots and the
surrounding lots of adjoining land within 10 km.

D Layout Plan 2 copies

Scale : 1 : 500 (area < 1 ha)
1 : 1000 (area > 1 ha)
The information that need to be shown / indicated
All elements, features and main dimensions of the existing
development and proposed development including:

i) The proposed layout for building sites, roads reserve, drain /

stream / river reserve and others.

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ii) The proposed platform level for building sites.

iii) The proposed drain / stream flowing out from residential areas to
existing drain / stream / river.
iv) Final discharge point (for areas to be developed) that connects to
any existing natural river or main trunk drain to be shown clearly.
v) River/stream/drainage alignment and reserve to be indicated
clearly.
vi) Location and area of suitable reservoir/detention pond/retention
pond in the open space.
vii) Types of detention/retention (OSD/wet pond/dry pond). As
required,
OSD for development less than 5 ha
Wet pond/dry pond for development between 5 to 10 ha

E Topographical Survey Plan 2 copies

Scale : 1 : 500 or 1 : 1000

The information that need to be shown / indicated
i) Plan should be endorsed by a licensed surveyor.
ii) Contour and spot level of the proposed development area.

F Existing Site Condition Photographs 2 copies

Pertinent information that need to be shown / indicated

i) Comprises of at least 5 photos each,
ii) Photos indicating existing water bodies, site overview, existing
infrastructure and utilities.

G Preliminary Calculation of Hydrology and Hydraulics. (Refer to

MSMA 2nd Edition)

The information that need to be shown / indicated are:

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 1st Edition (2016)

i) Submission of two (2) copies of the Hydrology and Hydraulics

reports,
ii) Reports to be checked and certified by a Professional Engineer
with Practicing Certificate,
iii) Report Calculation to be accompanied by locality plan and
catchment area plan,
iv) Indicate the developed areas and catchment area in the plan,
v) Requirement of runoff quantity and peak discharge calculation
Qpost Qpre to be indicated in the report.

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4.0 EARTHWORK PLAN & EROSION SEDIMENT CONTROL

PLAN
4.1 General

Before the commencement of earthworks, the developers through their

consulting engineers shall submit the earthworks plan and ESCP Plan
directly to relevant DID Divisional office.

DID will also review the necessary requirements such as the size of
sedimentation control structure so that NO sediment will be discharged to
the downstream areas.

4.2 Processing of Earthwork Plan & Erosion Sediment Control Plan

(ESCP)

All consultants must complete and submit the checklists for Earthwork
Plan & Erosion Sediment Control Plan (ESCP) to DID Sarawak. (Refer to
Form B)

A. Plan Features

i) Plans submitted must be complete, organized and neatly folded into

A4 size.
ii) The drawing paper size must be A1.
iii) The title must be shown at the top when the plan is folded.

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B. Layout Plan 3 copies

The information that need to be shown / indicated are:

Earthwork Plan Superimposed with the Contour plan

Scale : 1 : 500 (area<1ha)

1 : 1000 (area>1ha)

i) Show / highlight the cut & fill area,

ii) Proposed platform level,
iii) Slope protection measures,
iv) Surface runoff flow direction,
v) Location of proposed stockpile of top soil,
vi) Indicate the position of Best Management Practices (BMP) to
control erosion and sedimentation and outlet to main drain or
existing river. For example, silt trap, perimeter drain wash
through, temporary earth drain, check dam, interceptor drain,
sediment basin, temporary crossing, silt fences and etc.
vii) Show all drains flowing to the proposed BMP.
Maintenance manual,
Undertaking letter from developer/consultant to maintain all
BMPs.

Please refer to Form B (Earthwork Plan & Erosion Sediment Control

Plan) for detail checklist.

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4.3 Conditions To Support Approval For ESCP

In addition to the information already stated, the developer / applicant

must comply with the following conditions:

i) NO rivers, drains, streams and existing channels shall be backfilled,

closed, interrupted or diverted except with the permission of the
Director of Department of Irrigation and Drainage Sarawak. Any
diversion of the river, the existing trench should be included in the
plan design and shown clearly.

ii) NO construction works and earthworks shall be carried out until the
earthworks and stormwater management plan (Engineering Plan)
have been approved by the Engineering Plan Committee (EPC).

iii) NO drainage outlet shall be constructed prior to obtaining written

consent from land owners if it encroaches into private land. This is in
line with Land and Survey requirement.

4.4 Best Management Practices

Land development activities will disrupt the natural environment. Site

clearing and earthworks activities that are not regulated properly would
have a negative impact on the environment, such as erosion, river
sedimentation and slope failure. Best Management Practices acts as a
guideline for developers and contractors to minimize the effects of erosion
and sedimentation on site.

Erosion and Sediment Control Plan (ESCP) is designed to control erosion

and trap sediment generated from land clearing activities, earthworks and
construction work.

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Detailed information is available in the following guidelines:

i) Guideline for Erosion and Sediment Control Plan in Malaysia 2010

ii) Refer to Chapter 12 (ESCP) of MSMA 2nd Edition 2012.

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5.0 STORMWATER MANAGEMENT PLAN SUBMISSION

5.1 General

All Stormwater Management Plan shall be directly submitted through

qualified Professional Engineer with Practising Certificate to the relevant
DID Divisional Office.

DID will check Form C submitted by the qualified Professional Engineer

with Practising Certificate that must emphasize on the drainage plan, such
as main trunk drain, internal drains, ponds, rivers or other pertinent
issues.

A. Plan Features

i) Plans submitted must be complete, organized and neatly folded into

A4 size,
ii) The drawing paper must be A1 drawing size,
iii) The title must be located at the top when the plan is folded.

B. Layout Plan 3 copies

Scale 1:500

The information that need to be shown / indicated are:

i) Provide Description on Proposed Drainage Plan and Mitigation

Measures:
Plan indicating location and overall flow path of the proposed
drainage system (i.e. location and size of drains, main drains,
retention/detention facilities (pond / OSD) and water quality
control facilities, as necessary).

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C. Design Calculation (Refer to MSMA 2nd Edition)

i) Design rainfall (Location, coefficients, table, intensity, depth,

Hyetograph)
Minor System (5/10 years)
Major System (50/100 years)
(Q-Pre 100 year ARI to be shown in the plan)

ii) Pre-Development Discharge

Hydrology
Catchment delineation and drainage network
Parameter values used (Length, Slope, % Pervious, Minimum
Infiltration of soil)

Hydraulics
Type, Length, Size of Drains/Ponds
Manning Roughness Coefficient

Hydrographs
Minor System (hydrograph, Peak Q5 (Pre-dev)
Major System (Hydrograph, Peak Q50 (Pre-dev)

iii) Post-Development Discharge

Hydrology
Catchment delineation and drainage network
Parameter values used (L, Slope, % Pervious, Min. Inf. of soil)

Hydraulics
Type, Length, Size of Drains/Ponds
Manning Roughness Coefficient

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Hydrographs
Minor System (hydrograph, Peak Q5 (Post-dev)
Major System (Hydrograph, Peak Q50 (Post-dev)
Note: For pond design show hydrographs for rainfall duration greater
than tc

Mitigation Measures
a. Describe in words how the the engineer addressed the increase in
post-development minor and major system discharge,
b. Describe how the internal drainage system will function when
subjected to the major system storm. Highlight the mitigation
measures that the engineer has taken into account in the design.

D. Drainage Facilities

List and describe the type of drainage facilities used within the project
(Location and typical drawings). For example - Detail of each drain
(lined drain / grassed swale drain / main drain / detention / retention
pond facilities).

E. Others Relevant Document

i) Undertaking letter from developer to maintain detention pond at

own cost until date of handing over to the Local Council / State
Government,

ii) Undertaking letter from developer to repair damages to the

drainage and river embankment at own cost until the date of
handing over to the Local Council / State Government,

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iii) Undertaking letter from developer to submit DOMM (Designer's',

Operation & Maintenance Manual) during the handing over to the
Local Council / State Government, and

iv) Undertaking letter from developer to submit three (3) sets of As-
built Drawing of detention pond and the relevant drainage system
for the gazzette of their drain reserves by the State Government
(i.e. where it is deemed necessary).

5.2 Conditions To Support Approval For Stormwater Management

Plan

In addition to the information already stated, the developer / applicant

must comply with the following conditions:

i) NO rivers, drains, streams and existing channels shall be backfilled,

closed, diverted, or blocked except with the permission of the Director
of Department of Irrigation and Drainage Sarawak. If the diversion of
the river become absolutely necessary, the existing trench should be
included and shown clearly in the design plan,

ii) NO construction works and earthworks shall be carried out until the
earthworks and stormwater management plan (Engineering Plan)
have been approved by the Engineering Plan Committee (EPC),

iii) NO drainage outlet shall be constructed prior to obtaining written

consent from land owners if it encroached into private land. This is in
line with Land and Survey Departments requirement.

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5.3 Submission of As-bulit Drawing Upon Completion of Civil

Engineering Works
As-built drawing should be submitted before the Engineering works
inspection.
Among the details to be included in the As-built drawing are as follows:

i) All As-Built drawings submitted to be endorsed by a qualified Licensed

Surveyor.

ii) To indicate clearly all the existing utilities within the area of
development.

iii) To provide spot levels of all the constructed drainage system, relevant
dimension of the structures and invert levels of the all the drainage
infrastructure and relevant drainage system.

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6.0 GUIDELINES FOR RESERVOIR / RETENTION POND

6.1 General

Flooding is among the major problems that threaten a large number of

residents who live in the low lying area of the river and coastal area. The
frequency of flooding and its impending damage increases every year.
This phenomenon is further exuberated by the conversion of land use
from forest to agriculture to urban development.

In urban areas flooding occurrence is due to the overflow of rivers or

streams flowing through the urban areas. Sometimes flooding is also a
result of inadequate urban drainage infrastructure and also bottlenecks
(i.e. due to utilities, choking from indiscriminate dumping of solid waster
or debris, and construction of illegal structures) of the drainage system.

Rapid growth in the urban areas has resulted in the inability of the existing
drainage to cater for the development, thus causes flooding. A large
number of problems, especially during the development process, were
caused by the negative impact of the rapid development of the catchment
area.

6.2 Control-At-Source Approach In the Cause of Development

The peak flow of new development areas should be reduced. This can be
achieved through the following steps:-

i) Use of the on-site-detention (OSD) methods such as the rainwater

harvesting tank at home, underground rainwater storage and etc.

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ii) Reduce the rate of runoff by increasing the usage or introduction of

porous pavement in parking, footpath, parks and others in the
commercial and residential areas.
iii) Ponds can be included in the development plan for residential and
commercial area. The pond size required only up to three (3) to five
(5) percent of total development area. During heavy downpour, the
storm water runoff will flow into the pond without flowing directly to
the river to reduce the peak flow of the river. Besides that, this pond
can be used as recreational area.
iv) This three to five percent (3% - 5%) can be included in the ten
percent (10%) reserve as green area of the required 10% of the
development.

6.3 Criteria and Conditions of Detention / Retention Pond

i) Any development more than 10 ha (25 acres) shall be provided with

pond to reduce the storm water runoff directly to the river,

ii) The pond area only requires 3%-5% of the development area, which
is part of the 10% open space requirement,

iii) The pond area can be considered as part of the green area,

iv) The pond can be in the form of wet pond or dry pond and can be used
as recreational area for boating, fishing, picnicking, and football/sports
field.

v) Regular maintenance as scheduled should be carried out by the

developer, and

vi) The developer shall submit land acquisition plan to DID for gazette (if
any).

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7.0 SPECIFIC REQUIREMENTS

7.1 River Reserve (Natural River)

i) Natural river channel as well as other natural or existing

channels, which run across or beside the said land, must be
provided with the necessary reserve to accommodate the
increased in runoff due to the change in land use. Adequate
storage or buffer zone should be provided.

ii) The left and right banks should also be allocated as river reserve
or overflow storage channel. The minimum river and stream
reserve width to cater for the aforesaid requirements shall be as
tabulated below:-

River Width Minimum Stream and River Reserve

(m) Width at each bank (m)

> 40 50*
30 40 40*
20 30 30*
10 20 20
5 10 10
<5 5

* Subject to hydraulic and hydrological analysis to be submitted by the project proponent

or consultant.

Note : The river reserve is measured from the river highest water
level to the banks on each side. River reserve on the downstream side shall
not be less than the river reserve in the upstream channel.

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7.2 Drain Reserve

For drain reserve, the table below indicates the minimum reserve requirement for
a specific size of drain;

Top Width of Engineered Minimum Requirement for Maintenance Access

Channel (m)
W 6 One side 3.7 m, other side 1.0 m
W> 6 Both sides 3.7 m

__________________________________________________________________
Note: Width of river / drainage reserve including the width of the channel (top width)
and area for future expansion and maintenance.

7.3 Control of Soil Erosion and Sediment Load

i) Effective action should be made possible to control soil erosion of the stated
land, and to control the amount of silt in the drainage water that is
discharged into the drainage system and rivers, resulting from the conversion
of land use and the stated development,

ii) The surface of the land cannot be left exposed and need to be protected
from the effects of rain. For permanent protection, grass planting is
recommended. Plastic cloth or other suitable materials are to be used as
temporary covers,

iii) Temporary silt trap shall be constructed and maintained from time to time. A
special site for the storage of accumulated silt loads must be provided. Any
plans to use this silt load or pond as a landscape or the like should be clearly
stated. Calculations should be based on Manual Saliran Mesra Alam (MSMA
2nd Edition),

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iv) Earthwork plan showing the activities of land and erosion control activities
should be submitted for review by the Department of Irrigation and Drainage
Sarawak,

7.4 Definition of Reserve Area

The neighbouring lots which are allocated as reserves shall be measured and
marked clearly on the topographical survey plan certified by a Licensed Surveyor.

7.5 Proposed Technical and Professional Consultants

All technical proposals and related information shall be prepared and submitted
by a qualified Professional Engineer with Practising Certificate, and all
topographical survey information should be provided and certified by a Licensed
Surveyor.

7.6 The Work, Systems and Standard

All technical proposals and relevant information must be prepared and submitted
by the Professional Engineer with Practicing Certificate and the relevant survey
information must be prepared and certified by Licensced surveyor.

7.7 Returning of Plans/Drawings To The Project Proponent

The department reserves the right to return all the reports and plans submitted,
if the information is incomplete and does not comply with the stipulated terms
and conditions set forth by the Department.

7.8 Development in Peat Area

Any proposal for development within deep peat area shall be supported by
detailed study report and to be submitted by the project proponent/consultant
for approval.
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 FORM A

APPLICATION OF PLANNING
SUBMISSION
 FORM A 1st Edition (2016)

CHECKLIST FOR SUStoM PLANNING SUBMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

1.0 PLAN SUBMISSION REQUIREMENT

1.1 Digital Locality Plan of appropriate scale
projected Borneo Rectified Skewed
Orthomorphic (BRSO) with datum: Timbalai
Datum 1948,

1.2 *Key Plan with scale 1 : 25,000 or scale

required by the Divisional Engineer,

*If the overall development has been planned in phases, the conceptual plan for the entire area
must be submitted. Overall drainage main drains must be identified and the overall drainage
masterplan must be submitted.

1.3 Site Layout Plan with Scale,

1.3.1 1 : 500 (area <1ha),

1.3.2 1 : 1000 (area >1ha),

1.4 Topography survey plan 1:500 or 1:1000

Scale,

1.5 Photographs showing site condition or

aerial Photographs, and

1.6 Hydrology and Hydraulics preliminary

calculation report.

2.0 DRAINAGE PLANNING REQUIREMENT

2.1 Information checklist of layout plan.
2.1.1 Final discharge point (for areas to be
developed) that connects to any
existing natural river and main trunk
drain to be shown clearly,
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 FORM A 1st Edition (2016)

CHECKLIST FOR APPLICATION OF PLANNING PERMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

2.1.2 River/stream/drainage alignment and

reserve to be indicated clearly,

2.1.3 To indicate any incoming / upper

catchment discharging into the
proposed development,

2.1.4 Flow direction from upstream to

downstream,

2.1.5 Location and area of suitable

reservoir/detention pond/retention
pond in the open space, and

2.1.6 Types of detention/retention (OSD/wet

pond/dry pond).

2.2 Cross section of river within

development area *

2.2.1 Cross section Plan at 50m interval

(minimum)/ 200m interval (maximum),
and

2.2.2 Longitudinal Cross Section Plan,

* Survey works must cover the length upstream and downstream of the river/main drain
crossing through the said development.

2.3 Hydrographical survey plan of the existing

lake, pond and sea shall be submitted at a
scale of 1:500 or 1:1000 at 10m interval (if
necessary)

2.4 Historical flood events / local information

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 FORM A 1st Edition (2016)

CHECKLIST FOR SUStoM PLANNING SUBMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

2.5 Review on Preliminary Calculation of Hydrology and Hydraulics.

2.5.1 Locality plan of developed areas in the
plan,

2.5.2 Catchment area plan to be marked in

the plan,

2.5.3 Peak discharge QPre & QPost to be

indicated and recorded in the report,
and

2.5.4 Requirement for runoff quality control

Qpost Qpre to be indicated and
recorded in the report.

3.0 For DID use

This application together with the Topographical
sheet had been reviewed to verify if there are any
natural river/ stream being closed, diverted or
buried.

4.0 Deep Peat area

Identify if area is considered deep peat
(Deep peat: Average depth of peat >2m).

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 FORM A 1st Edition (2016)

CHECKLIST FOR SUStoM PLANNING SUBMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

Additional requirement (depending on site condition)

Comments ( for DID action)

Reminder: Comments and application is valid up to two (2) years from this date of checking

Prepared by the Consultant Checked by DID Sarawak:

Signature: Signature:

Name: Name:

Stamp: Stamp:

Date: Date:

Endorsement By Land Owner:

Signature:

Name:

Date:

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 FORM B

APPLICATION OF EARTHWORK PLAN &

EROSION SEDIMENT CONTROL PLAN
(ESCP)
 FROM B 1st Edition (2016)
CHECKLIST FOR EARTHWORK PLAN & EROSION SEDIMENT CONTROL PLAN

General information
Project name :
Proposed Development
Coordinate (The access gate to the Site) : Area (Ha):
N: __________________ E: _____________________
Developer : File No. :
Consultant :

No. Checklist Yes No Remark

1.0 BASIC REQUIREMENT

1.1 All drawing of engineering works/ earthworks/ ESCP, and

1.2 ESCP Report (applicable for EIA submission).

2.0 EARTHWORK PLAN

2.1 Plans are signed and certified by the Consultant and

Developer,

2.2 Clear detail of cut/fill (including the neighbouring lots)

2.2.1 Cross section,

2.2.2 Long section.

2.3 Proposed platform level,

2.4 Slope protection measures,

2.5 Earthworks implemented by phases (e.g: 2 ha)

according to the site condition, and

2.6 Permit to transport earth to the approved dumping site.

3.0 EROSION SEDIMENT CONTROL PLAN (ESCP)

3.1 Plans are signed and certified by the Consultant and
Developer,

3.2 Surface runoff flow directions are shown and marked,

3.3 Location of stockpile top soil, and

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 FROM B 1st Edition (2016)

CHECKLIST FOR EARTHWORK PLAN & EROSION SEDIMENT CONTROL PLAN

General information
Project name :
Proposed Development
Coordinate (The access gate to the Site) : Area (Ha):
N: __________________ E: _____________________
Developer : File No. :
Consultant :

No. Checklist Yes No Remark

3.0 EROSION SEDIMENT CONTROL PLAN (ESCP), and

3.4 Best Management Practices (BMP)

3.4.1 Silt trap,

3.4.2 Perimeter drain, dykes,

3.4.3 Wash Through,

3.4.4 Temporary earth drain,

3.4.5 Check Dam,

3.4.6 Interceptor Drain,

3.4.7 Sediment basin,

3.4.8 Temporary crossing,

3.4.9 Silt Fence, and

3.4.10 Other BMPs.

Please specify

4.0 MAINTENANCE SCHEDULE

4.1 Maintenance manual (refer to SUStoM as adopted from

MSMA).

5.0 OTHERS

5.1 Undertaking letter from the developer/consultant to

maintain all BMPs to ensure that everything is well
functioned, and

5.2 To submit monthly progress report for ECSP.

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 FROM B 1st Edition (2016)
CHECKLIST FOR EARTHWORK PLAN & EROSION SEDIMENT CONTROL PLAN

General information
Project name :
Proposed Development
Coordinate (The access gate to the Site) : Area (Ha):
N: __________________ E: _____________________
Developer : File No. :
Consultant :

Additional needs (in accordance of the site requirement)

Comments (Departments action)

Reminder: The comment and application is valid for two (2) years from this review date.

Prepared by the Consultant Checked by DID Sarawak:

Signature: Signature:

Name: Name:

Stamp: Stamp:

Date: Date:

3
 FORM C

APPLICATION FOR STORMWATER

MANAGEMENT PLAN SUBMISSION
 FORM C 1st Edition (2016)
CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Proposed Development Area
Coordinate (main entrance at construction site) : (Ha):
N:_______________
E:_______________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

1.0 SUBMISSION REQUIREMENT
3 sets of Proposed Drainage Plan and Topographical
Survey Plan attached with soft-copy,

3 sets of Hydrology and Hydraulic Design Calculation

on the proposed drainage system, and

Plans must be signed and endorsed by

client/developer and Professional Engineer on all
sheets.

1.1 Locality Plan with appropriate scale.

1.2 Layout Plan

Enclosed with a copy of the SPA approval plan.

1.3 Trunk Drainage System Plan

1.3.1 Scale 1:500,
1.3.2 Overall Drainage Master Plan to be submitted
if the proposed development is to be carried
out in phases,

1.3.3 All the plans are coloured coding and described

in the Legend,
1.3.4 Drainage Plan is tally with the Subdivision /
development plan approved by SPA, and

1.3.5 Conform to the Hydrological and Hydraulic

Design Calculation.

1
 FORM C 1st Edition (2016)

CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Proposed Development Area
Coordinate (main entrance at construction site) : (Ha):
N:_______________
E:_______________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

2.0 CHECKLIST OF TECHNICAL REQUIREMENT

2.1 Drainage flow paths from upstream to downstream
are clearly shown on the plan,

2.2 All internal drainage must be discharged to the

pond/OSD (control at source),

2.3 All the invert levels for the drains and sumps are
clearly indicated,
2.4 Proposed cross section and longitudinal of main
drainage system with design invert level, sizing and
level Q5 and Q100,

2.5 Type and sizing of the culvert is clearly indicated,

2.6 Location and area of the pond / OSD conform with

the detailed design calculation,

2.7 Level and pond/OSD size complete with cross

section,
2.8 Inlet and outlet details of the proposed pond / OSD
with primary, secondary and spillway outlet levels
must be shown,

2.9 Location and type of debris trap/Gross Pollutant

Trap is clearly shown / indicated, and

2.10 Steel railing/drain cover to be provided for drain

depth exceeding 1.2m (refer Table 14.1 MSMA
2nd Edition).

2
 FORM C 1st Edition (2016)

CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Proposed Development Area
Coordinate (main entrance at construction site) : (Ha):
N:_______________
E:_______________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

3.0 HYDRAULIC DESIGN CALCULATION (REFER TO MSMA 2ND EDITION)
3.1 General Requirement
3.1.1 Size of pervious and impervious area,

3.1.2 C, runoff coefficient calculation,

3.1.3 Peak Discharge Q-Pre 100 ARI.

To be shown and recorded on the plan,
and

3.1.4 Need for water runoff quantity control

Q post Q pre to be shown and recorded
on the plan.

3.2 On Site Detention (OSD)

3.2.1 Detailed cross section of proposed OSD,

3.2.2 Design based on 10 years ARI,

3.2.3 Design storm levels are clearly indicated,

3.2.4 Invert levels are clearly indicated,

3.2.5 Determine the Permissible Site Discharge

(PSD) and Site Storage Requirement (SSR);
Refer Chapter 5, MSMA 2nd Edition,

3.2.6 Size of the storage is indicated/shown in

the plan,

3.2.7 Drainage outlet level and finished surface

levels are clearly indicated on the plan,
and

3.2.8 OSD outlet shown clearly on the plan

* (Refer to Chapter 5 MSMA 2nd Edition)
(*low flow drain/trickle flow to be provided).

3
 FORM C 1st Edition (2016)
CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

3.3 Internal Drain - Lined Drain

3.3.1 Details and cross section of the
drain with the proposed slope
gradient,

3.3.2 Detailed design of the internal drain

(Refer Table 1.1 MSMA 2nd Edition),

3.3.3 Design of covered drain adjacent to the

footpath shall take into consideration
the live load,

3.3.4 Minimum velocity shall be V=0.6m/s to

prevent sedimentation and growth of
vegetation,

3.3.5 If the velocity exceeded 2 m/s, a railing

with height of 1.2m to be installed or
drain to be covered, and

3.3.6 Maintenance sumps/manholes to be

provided at an interval of 10 meter or
as required by the local authorities.

3.4 Grassed swale drain type

3.4.1 Drain details and cross section to be
indicated/shown,

3.4.2 Width of reserve to be clearly indicated,

3.4.3 Side slope of the drain should be

gentler than 1V:1.5H,

3.4.4 Minimum freeboard: 50mm to be

clearly indicated,

3.4.5 Levels of design storm to be clearly

indicated,

4
 FORM C 1st Edition (2016)

CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

3.4.6 Invert levels to be clearly indicated, and

3.4.7 Infiltration trenches combined with swale

(composite system).

3.5 Main Drain

3.5.1 Longitudinal section along main drain,

3.5.2 Details and cross section of main drain,

3.5.3 Width of reserve to be surrendered to

the government as drain reserve shall
be clearly indicated,
3.5.4 Side slope shall be gentler than 1V:1.5H
and vegetated,

3.5.5 Maintenance area shall be sufficient on

left and right hand side of drain
embankment to be prepared and
marked (min. 4m depending on the site
requirements),

3.5.6 Design storm shall be clearly indicated.

(Q5, Q50, Q100),

3.5.7 Invert level size to be specified,

3.5.8 Minimum freeboard: 300mm shall be

clearly indicated, and

3.5.9 Railing shall be installed at the border

of drain reserve or drain side for safety.

5
 FORM C 1st Edition (2016)

CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Proposed Development Area
Coordinate (main entrance at construction site) : (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

3.6 Detention/Retention Pond
3.6.1 Runoff shall be discharged into detention pond
before flowing into a final discharge point,

3.6.2 Grey water/sewerage water shall not be

allowed to flow into the detention pond,

3.6.3 Steepness of detention pond edge shall be

gentler than 1V:4H,

3.6.4 Maintenance area shall be sufficient on left

and right hand side of drain embankment to
be prepared and marked (min. 5m depending
on the site requirements),

3.6.5 Minimum freeboard of 300mm shall be clearly

indicated,

3.6.6 Maximum height/depth of detention pond

from pond bed to the emergency spillway
must be less than 3m,

3.6.7 Outlet control structure*

* Primary outlet for minor design storm, Q2
* Secondary outlet for major design storm, Q50
* Emergency spillway, Q100.

3.6.8 Detail and cross section of primary outlet,

3.6.9 Detail and cross section of emergency

spillway,

3.6.10 Detail of outlet control structure,

3.6.11 All invert level and measurement shall be

clearly indicated,

6
 FORM C 1st Edition (2016)
CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

3.6.12 Ensure that there is no backwater flow from
trench channel to the detention pond. Back
water analysis to be submitted if necessary,

3.6.13 Access road for the maintenance of detention /

retention pond,

3.6.14 Ramp details / maintenance path for access of

maintenance vehicles / machineries for
maintenance of sediment fore bay. GPT / trash
screen shall be clearly indicated. Floor level
shall be higher than flood level and freeboard
shall not be less than 300mm (if necessary),

3.6.15 Drainage pipe/cascading drain from berm drain

entering into detention pond (if necessary),

3.6.16 Slope protection for detention pond,

3.6.17 Stick gauge installed near outlet control

structure,

3.6.18 Trash screen installed at inlet of detention

pond,

3.6.19 Screw down gate to dry out detention pond,

3.6.20 Warning signage compliance with local

authorities requirement,

3.6.21 Cross section of detention pond to be prepared,

and
3.6.22 Minimum Embankment (refer Table 7.1 and
Chapter 7 MSMA 2nd Edition).

3.7 Drainage Outlet

3.7.1 Drainage outlet alignment survey to the
main outlet to be submitted by the licensed
Surveyor,
3.7.2 Cross section of drain outlet submitted,

3.7.3 Side slope shall be gentler than 1V:2H, and

3.7.4 Design storm levels marked (Q2,Q5,Q100) on the

plan.
7
 FORM C 1st Edition (2016)

CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

No. Detailed Checklist Yes No Remarks

3.8 Outfall structure, and
3.8.1 Details and cross section of outfall structure and
main drain/river,
3.8.2 Invert level outfall structure and main drain/existing
stream is marked,

3.8.3 Slope protection design that suits site condition along

river bank if development is beside a river,
3.8.4 Front outfall structure marked on plan,

3.8.5 Upstream of the outfall structure shown on plan, and

3.8.6 Downstream of the outfall structure shown on plan.

4.0 OTHERS
4.1 Undertaking letter from developer to maintain
detention pond at own cost until date of
handing over to Local council/State Government,

4.2 Undertaking letter from developer to repair any

damages of drainage and river embankment at
own cost until date of handing over to Local
council/State Government,
4.3 Undertaking letter from developer to submit
DOMM (Designer's', Operation & Maintenance
Manual) during the handing over to Local
council/State Government,

4.4 Undertaking letter from developer to submit 6

sets of As-built Plan of detention pond for
gazetting of detention pond and drain reserve
by the State Government depending on the
requirement, and

4.5 To submit As built plan in digital format.

8
 FORM C 1st Edition (2016)

CHECKLIST FOR STORMWATER MANAGEMENT PLAN SUBMISSION

GENERAL INFORMATION
Project Title :
Coordinate (main entrance at construction site) : Proposed Development Area (Ha):
N:____________________
E:____________________
Developer : File Name :
Consultant Firm :

Additional requirement (depending on site condition)

Comments (for DID action)

Prepared by the Consultant Checked by DID Sarawak:

Signature: Signature:

Name: Name:

Stamp: Stamp:

Date: Date: