Draft Handbook (DOE) 16.6.2022 (UPDATE)

e) Site Photos
Brush Barrier

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Inspection Brush barrier need to be maintained
and inspection on the following items:
Maintenance
1. Heavy deposits of sediment may ne

2. Occasionally, if filter fabric is used,
properly secure it, as needed.

3. When the barrier is no longer need
establishment of vegetation within th

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periodically to ensure the BMPs performance by

eed removal.
tearing of the filter fabric may occur, replace and

ded the fabric can be removed to allow natural
he barrier. The barrier will rot over time.

7. FIBRE ROLLS, COIRLOG OR WATTLES

a) Definition b) Pu

A fiber roll consists of straw, flax, coconut husk or other similar materials To int
that are rolled and bound into a tight tubular roll and placed around the To red
worksite perimeter and is referred to as wattles when placed on the face To rel
of slopes at regular intervals To pr

c) Application

• May be used along the top, face and at the grade breaks of exposed and erodi
• Install on disturbed areas that require immediate erosion protection
• Can be used along the perimeter of a project
• Unlined ditches as a check dam
• Around temporary stockpiles

d) General/typical Description
guideline Fiber rolls, coirlog or wattles shall be installed as per

Fiber Rolls, Coirlog or 1. Clear the installation area of any debris, trees,
Wattles in contact with the soil, so any stumps or poten

2. Dig a small trench in the location where the fibe
3. Place the coir logs in the trench and backfill w

slope. Adjacent coir logs should be positioned
together with coir twine or other suitable ties. M
4. Stake/anchor the fiber rolls, coirlog or wattles i
requirements or specifications.
5. For slope stabilization, the fiber rolls, coirlog or
slope contour.

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urpose

tercept runoff
duce runoff flow velocity
lease the runoff as sheet flow
rovide some removal of sediment from the runoff

ible slopes to shorten slope length and spread runoff as sheet flow

r the following steps:
rocks or large obstructions. Fiber rolls, coirlog or wattles are designed to come
ntial obstructions should be removed.
er rolls, coirlog or wattles need to be placed.
with soil so that the fiber rolls, coirlog or wattles are tightly packed against the
so that the ends fit tightly against each other. Ends should be joined/secured
Mattress coir fiber may be used to fill spacing between log ends.
into position. fiber rolls, coirlog or wattles should be anchored according to site
r wattles shall be installed perpendicular to soil movement and parallel to the

e) Site Photos

Fiber Rolls, Coirlog or
Wattles

Inspection Fiber Rolls, Coirlog or Wattles need
and items:
Maintenance
1. To check displacement of the log

2. To check for soil erosion at adjac

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d to be inspected on the following

gs
cent of the logs

D) ENGINERING Control

There are several types of BMPs components can be implement

1. SOIL NAILING

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ted as follows:

2. GUNITE
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3. STEEL GRID NETTING
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4. MSE
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E) GENERAL CONSTRUCTION CONTROL

1. DUST CONTROL & STREET CLEANING

a) Definition b) Pu

Practices to collect and remove tracked sediments that have escaped the To pr
perimeter of the construction site. preve

c) Application
Anywhere sediment is tracked from the project site onto the public or private paved

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urpose
revent the sediment from entering a storm drain or watercourse as well as to
ent dust blowing and movement on construction sites and roads.

d roads, typically at points of ingress and egress.

e) Site Photos
i. Water tanker lorry to prevent dust blowing

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ii. High pressure water jet to remove and clean the sediments

2. SCHEDULED WASTE MANAGEMENT

a) Definition b) Pu

Scheduled Waste To en
– any waste falling within the categories of waste listed in the First segre
when
Schedule under Environmental Quality (Scheduled Wastes) Regulations
2005.
c) Application

– Scheduled waste store (small cabin) with good air ventilation.
– Designated container and proper label to segregate scheduled waste.
d) General/typical guideline

Scheduled Waste Store

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urpose
nsure schedule waste from construction site is being monitored, recorded,
egated & kept in designated container, labeled based on its category, or recycled
never required.

Description

Scheduled Waste Label

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Scheduled Waste Packaging

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e) Site Photos

Inspection Scheduled Waste Store need to b
and the following items:
Maintenance
1. Ensure scheduled waste store
tonnes.

2. Containers observed free of lea

3. Containment system free of wa

4. All containers dated and labelle

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be maintained periodically by inspection on

ed not more than 180 days or 20 metrics

akage, hole, dent, bulge or corrosion
ater or other liquids
ed properly.

3. CONSTRUCTION WASTE

a) Definition b

Construction Waste T
- Construction solid waste means any solid waste generated from any p

construction or demolition activity, including improvement, preparatory,
repair or alteration works.
c) Application

– Roll-On Roll-Off (RORO) bins with adequate volume.
– Designated temporary storage for construction waste with proper demarcation.

d) Site Photos

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b) Purpose

To ensure construction waste is being monitored, recorded, segregated & dispose
properly, or recycled whenever required.

Inspection Construction Waste Storage area
and following items:
Maintenance
1. Ensure no surplus on the const

2. Maintain good practice in hous

3. Ensure all demarcation markin

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a need to be maintained periodically by inspection on the

truction waste stored at site.
sekeeping of the storage area.
ng / tools are in good condition.

4. SPILL PREVENTION AND SECONDARY CONTAINMENT AREA

a) Definition b) Pu

Spillage – any contact from chemical liquid that cause a condition which is To pre
hazardous or potentially hazardous to public health, safety or welfare or that o
flora & fauna. wall &

c) Application

- A spill tray is placed under the machine to prevent oil from leaking.
- Bund wall is enclosed around the portable genset & transformers to preve
- Designated oil trap under grid size transformer to collect any oil spillage f
- Construction of bund wall at the grid size transformer compound to avoid

d) Site Photos

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urpose
event potential environmental pollution that may cause from oil spillage. Ensure
oil spillage is control by the usage of designated container such as spill tray, bund
& oil trap from polluting the environment.

ent any oil spillage on the ground.
from polluting the environment.
d oil spillage into the surrounding area.

a) spill tray located under the machine

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b) bund wall enclosed around the portable genset

c) oil trap around the transformers.

Inspection Spill prevention and secondary co
and inspection on the following items
Maintenance
1. Spill Tray, Bund Wall and Oil Tra

2. Regularly check the flow of the

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d) oil trap around the transformers.

ontaintment need to be maintained periodically by
s:
ap is in good condtion without potential leakage.
e oil trap.

5. CONCRETE WASH AREA

a) Definition b) Pu
A designated area for concrete washout area
To m
conta

c) Application

• On construction projects where concrete is used as a construction material wh
coated equipment are washed on site.

d) General/typical Description
guideline

Concrete washout area 1. A concrete washout area can be constr
e) Site Photos overflow protection consisting of impe

2. The use of the washout site should be
construction period.

3. The washout site should be not be loca
such as near natural drainages, springs

Concrete washout area

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urpose
minimize or eliminate the discharge of concrete waste materials that normally

ain high pH (alkaline base slurry) to the storm drain system or to watercourses.

here the most common, the ready-mix concrete mixer truck and other concrete-

ructed by excavate the ground in an area with storm water
ervious plastic sheeting. The goal is to retain the liquids.
temporary and to be made available throughout the
ated in an area where shallow groundwater may be present,
s, or wetlands

Inspection Concrete washout area need to
and the BMPs performance by inspe
Maintenance
1. Concrete washout shall be ins
check leaks.

2. The plastic lining shall be free
washwater to escape

3. Repair and relined with new p

4. When the concrete washour a
the washwater shall be vacuum
avoid overflow.

5. To cover the concrete washou
during the rain storm.

6. Collect concrete waste and de
location.

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o be maintained periodically to ensure
ection on the following items:
spected daily and after heavy rains to

e of tears or holes that would allow the

plastic if the damage occurs.
area is filled to over 75% of its capacity,
med off or allowed to be vaporate to

ut area before rains to avoid an overflow

eliver offsite to a designated disposal

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6. SANITARY WASTE MANAGEMENT

a) Definition b) Pu

The use of temporary toilet at construction site approved by the authority To eli
procedures and practices. direct
stand
c) Application

Sanitary/septic waste management practices are implemented on all construction s
sanitary facilities shall be located away from drainage facilities, watercourses, and

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urpose
iminate the discharge of construction site sanitary/ septic waste materials
tly to the storm drain system or to watercourses without firstly treated to a
dard requirement and compliance.

sites that use temporary or portable sanitary/septic waste systems. Temporary
from traffic circulation.

e) Site Photos
i. Site Cabin Toilet

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ii. Temporary site cabin toilet

**monitoring to be included after all BMPs

Environmental Monitoring Quality

4. Environmental Monitoring Quality shall be implemented as per approved EMP such
as Water Quality Monitoring, Air Quality Monitoring, Noise Level Monitoring and
Vibration Level Monitoring. Environmental monitoring can be divided into three (3)
main components as follows:

Bill Main Description Parameter

No. Component of

Monitoring

1 Compliance 1) To ensure works As per approved EIA condition

Monitoring conducted to approval (CoA) and environmental

ensure the EIA Management Plan (EMP)

condition approval

(CoA) have

complied

2) Involves

monitoring of

discharge and

emission from the

pollution control

facilities on site

2 Performance 1) To ensure certain Final discharge

Monitoring characteristic that • Total suspended solid

would indicate a (TSS)

BMP is functioning • Turbidity

in optimal manner.

2) Involve preventive

and corrective

maintenance of

the BMP to

maintain their

optimal

performance

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3 Impact 1) To ensure works to Water quality
Monitoring • pH, temperature DO, BOD,
measure the COD, TSS, AN, Total
coliform etc.
impact of the

project on the

surrounding

environment

2) Involves

monitoring of

ambient level

(a) Water sampling for
water quality

(b) Water sampling for
water quality

Noise
• LAeq, Lmin, Lmax

(c) Noise measurement
kit

Air quality
• PM10

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