1

national Water Supply and Drainage Board

The Project for Rehabilitation of Killinochchi Water Supply Scheme

Construction Management PlanJuly 2013

20137

NJS Consultants Co., Ltd.

TOKYO, JAPAN

TABLE OF CONTENTS /

Page

1. OUTLINE of the Project/ 1

1.1 Outline of the Project / 1

1.2 Location Map of the Project / 2

1.3 Water Treatment Plant Perspective / 3

1.4 Layout of Intake and Water Treatment Plant /4

1.5 Main Components / 5

2. Supervisory Services / 6 2.1 The Components of Supervise / 6 2.2 Scope of Supervisory Services / 62.3 Application Standards / 72.4 Order of Reference / 73. Emergency Communication Chart / 84 Progress Meeting / 95. Procedure for Approval / 106. Superintendence on Construction Works / 12 1. Progress Control / 122. Organization of Implementation / 123. Construction Management / 124. Temporary Work / 165. Quality Control / 176. Procurement / 177. Safety / 178. Environmental Management / 199. Completion Inspection / 2010. Commissioning / 207. Construction Schedule / 21( Annex-1 ) V-1 Detail of Quality Control / 22( Annex-2 ) V-2 Detail of Progress Control / 29( Annex 3 ) V-3 Photo / 331. OUTLINE OF THE PROJECT /

1.1 Outline of the Project /

PROJECT NAME

:The Project for Rehabilitation of Killinochchi Water Supply Scheme23

CLIENT

: Implementing Agency

National Water Supply and Drainage Board Democratic Socialist Republic of Sri Lanka

CONSULTANT

:NJS Consultants Co., Ltd.

(

CONTRACTOR

:Daiho Corporation(

PROJECT PERIOD

:

7 June 201331 July 2014

2013672014731

1.2 Location Map of the Project /

1.3 Water Treatment Plant Perspective /

1.4 Layout of Water Intake and WTP /

1.5 Major Components /

Item / Unit /

Qty /

Remarks /

1. Preparation /

Site Mobilization / Site Establishment / L.Sum

L.Sum1.00

1.00

2. Water Intake & Water Treatment Plant / New intake pit / Intake sump / Intake pump house / Raughing filter / Aerator / Slow sand filter / Washed sand filter / Storage pond / Administration building / Generator house / Guard house / Raw water transmission pipe / Yard piping / Landscaping / L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum

L.Sum1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00Concrete: 4m3 Concrete: 537 m3

Concrete: 19 m3

Concrete: 99 m3

Concrete: 33 m3

Concrete: 53 m3

Concrete: 3 m3

Concrete: 59 m3

3.Central College Water Tower / Construction of water tower / Pipe work, Manhole & Chamber / Landscaping / L.Sum

L.Sum

L.Sum1.00

1.00

1.00Concrete: 671 m3Concrete: 16 m3Concrete: 40 m3

4.Paranthan Water Tower / Construction of water tower /

Pipe work, Manhole & Chamber /

Landscaping / L.Sum

L.Sum

L.Sum1.00

1.00

1.00Concrete: 456 m3Concrete: 10 m3Concrete: 8 m3

5.Pipe Work / Pumping Main / Transmission Main / Distribution Pipe along A9 Road / A9 Distribution Pipe in Killinochchi Town / Distribution Pipe in Paranthan Area / km

km

km

km

km0.42

4.20

15.50

17.00

3.00

6.Mechanical and Electrical Works /

7. Procurement Works of The Equipment / House Connection Equipment / Laboratory Equipment / Operation & Maintenance Equipment / L.Sum

L.Sum

L.Sum1.00

1.00

1.00

8. Test Run and Handover /

2. THE SUPERVISORY SERVICES / 2.1 The Components of Supervise / Maintain schedule control / Maintain progress control by take an accurate measurement / ()

Maintain progress control by photo record / ()

Maintain quality control / 2.2 Scope of Supervisory Services / Based on Agreement between Ministry of Planning and Administrative Development, the Palestinian Interim Self-Government Authority and NJS [ Article3 .1 (3) ] Construction Stage

Article 3.1 (3)1) The consultant shall provide supervisory services for the Project to ensure that the works executed by the Contractor(s) under the Project are the compliance with the Contract(S) in coordination with the Client.

The supervisory services shall include the followings:

a) Inspection and approval of shop drawings and samples submitted by the Contractor.

b) Interpreting design drawings and specifications.

c) Providing a representative and engineer(s) as necessary during the construction stage of the Project.

d) Carrying out factory inspection and / or checking the factory inspection report if the equipment and materials for construction work

e) Examining the materials, workmanship, and measurement and quantity in the Project as prescribed in the design documents.

f) Settling disputes or differences relating to the execution and progress of the construction work that may arise between the Client and the Contractor.

g) Issuing instructions where necessary to prevent delays in construction work.

h) Preparing a recommendation for Amendment and Modification stipulated in the Article 14 hereof and in Article concerning Amendment and Modification in the Contract(s).

Article14i) Participating in discussions between the Client and the Contractor(s) and providing advisory services.

ClientContractor(s)2) The Consultant shall make necessary reports from time to time or according to the instructions of the Client in the execution and progress of the Project.

3) The Consultant shall issue necessary certificates for payments to the Contractor(s) and other certificates as required by the Client.

4) The Consultant shall have the custody of the performance security and the advance payment security to be issued in connection with the Contract(s).

2.3 Application Standards / JIS:Japanese Industrial Standards

ISO:International Standardization Organization

JEC:Standard of the Japan Electrical Committee

JEM:The Standard of Japan Electrical Manufacturers' Association

JCMS:Japan Cable Maker's Standards

JEAC:Japan Electrical Association Code

JWWA:Japan Water Works Association

NEMA:National Electrical Manufacturers Association, USA

IEC:International Electro technical Commission

AWWA:American Water Works Association

AASHO:American Association of State Highway Officials

ASCE

: American Society of Civil Engineers

ASME:American Society for Mechanical Engineers

ASTM:American Society for Testing and Materials

BS

British Standard

2.4 Order of Preference / (1)Condition of Contract (Between PWA and DAI NIPPON CONSTRUCTION)

(2)Technical specification

(3) Drawings

(4) Confirmation items at bidding stage (M/M)

3. Emergency Communication Chart /

4. PROGRESS MEETING / SHolding day / Attendant

/Sri Lankan AgencyConsultantContractor

NWSDB

Other AuthoritiesResident EngineerChief EngineerChief ConsultantProject Manager

Chief EngineerSub-Contractor

Kick-Off Meeting

Steering Committee MeetingAs needed()()

Monthly Progress MeetingEvery month()()()

& Weekly Coordination & Progress MeetingEvery week()()()()

Extra Meeting

As needed()()()()()

() (As per necessary)

5. PROCEDURE FOR APPROVAL /

1) Approval by Consultant on SiteAcknowledger: Mr. Keisei Maekawa (Residence Engineer)

2) Approval by Consultant in TokyoAcknowledger: Mr. Tadao Funamoto (Civil Martials and Items of Procurement Work)Mr. Masatugi Hatano (Mechanical Equipment and Installation)

Mr. Akira Miura (Electrical Equipment and Installation)

3) Approval by Sri Lankan AuthoritiesAcknowledger: Concerned Sri Lankan Authorities such as RDA

6. SUPERINTENDENCE ON CONSTRUCTION WORKS

JICAItems

Description

Management

.Progress control

1.Main progress meeting (Kick off, Steering meeting)As needed

2.Monthly meeting (NWSDB, NJS, DAIHO )Once a Monthly

1/

3.Weekly meeting (NWSDB, NJS, DAIHO )Once a Weekly

1/

4.Each construction works and specialized meeting

,As needed

5.Monthly report (Execution and progress)NJS NWSDBNJSJICA(Sri Lanka, Tokyo)

DAIHO Monthly report (Execution and progress) :Once Monthly

1/

.Organization

of implementation

1.Project organization chart

( : )Construction plan

2.Site management chart

Construction plan

3.Site office location

Construction plan

.Construction

management

1.Before construction

1)Construction plan

1 Basic construction plan

Before construction

Detail construction plan

()Before construction

2) Present conditions investigation of the construction area

Confirmation of position

()Confirmation of bench mark

Confirmation of trial boring

()Progress control

2.Civil works

1)Excavation, Cutting

, Part-2( 1.17)

1 Slope gradient, Sheathing

, Construction plan

Protection of existing facility

Construction plan

Excavation finishing level

Progress control

Method of excavation and transportation

, Construction plan

Drainage plan

Construction plan

2)Hauling and disposal

Construction plan

3)Banking and backfilling

,

1 Compaction method

Construction plan

Compaction(material)

(, , )Quality control

Progress control

,

3.Foundation work

1)plate loading test

() Part-2 ( 1.28) Quality control

2)Soil improvement (If it is necessary)

()Construction plan

Quality control

Progress control

,

3)Cobble stone

Construction plan

Quality control

Progress control

,

4)Lean concrete

Quality control

Progress control

,

4.Concrete works

Part-2 ( 1.30)

1)Scaffolding works

1 Scaffolding plan

()Construction plan

Check

Visual observation

2)Supporting works

1 Supporting plan

()Construction plan

Raising clearance

Construction plan

Support Check

Visual observation

Removal of supporting

Construction plan

3)Form works

1 Shuttering material

Construction plan

Install method

Construction plan

Removal of shuttering Construction plan

Verification of shuttering

Progress control

4)Rebar works

1 Verification of Material

( ,)

( )Quality control

Manufacture certificate

,Quality control

Tensile test at site

Quality control

Stock yard and curing

,Construction plan

Bending schedule

Construction plan

Inspection of fabrication

Progress control

5)Concrete works

Part-2 ( 1.07)

1 Plant erection

Quality control

Material

Quality control

Trial mix

Quality control

Slump, air content, temperature

,,Quality control

Compressive strength

(X-R)Quality control

Casting and transportation

() Construction plan

Compaction

Construction plan

Construction joint

Construction plan

Crazing induction seam

Construction plan

Surface finishing

Construction plan

Curing

Construction plan

Inspection of dimension

Progress control

6)Water retaining

Part-2 ( 1.33)()Construction plan

Quality control

5.Piping works

1) Verification of Material (request and site inspection)

( ,) Part-2 (1.20)Procurement plan

2)Stock and transportation

,,Construction plan

3)Excavation, backfilling, compaction (sand, soil)

,,(,),

1 Construction Method2 Construction plan

Excavation, backfilling, compaction(material, compaction)

,,(,,)Quality control

Progress control

,

4)Piping

1 Construction method

Construction plan

Piping, thrust block, concrete encasement, Box

,,,BOXProgress control

5)Field pressure test /

Part-2 (1.26 )

1 Test method

Construction plan

Flushing & Field hydrostatic test

Quality control

Field leakage test

Quality control

6)Disinfection

Quality control

6.Road Restoration

1)Construction method

Construction plan

2)Compaction, Proof rolling

,Quality control

3)Control of pavement( Road Departments Spec)

(Roads Department) Quality control

Progress control

,

7.Walling work

1)Verification of Material (request and site inspection)

(,) Procurement plan

2) Execution of work

Construction plan

3)Progress and Quality control

Quality control

Progress control

,

8.Stone Walling work

1)Verification of Material (request and site inspection)

(,) )Procurement plan

2)Construction method

Construction plan

3)Progress and Quality control

)Quality control

Progress control

,

9.Pre-cast Concrete work

1)Verification of Material (request and site inspection)

(,) Procurement plan

2)Construction method

Construction plan

3)Progress and Quality control

Quality control

Progress control

,

10.Roofing work

1)Verification of Material (request and site inspection)

(,) Procurement plan

2)Construction method

Construction plan

3)Progress and Quality control

Quality control

Progress control

,

11. Waterproofing work

Part-2 ( 1.33)

1)Verification of Material (request and site inspection)

(,) Procurement plan

2)Construction method

Construction plan

3)Progress and Quality control

Quality control

Progress control

,

12.Carpentry work

1)Verification of Material (request and site inspection)

(,) Procurement plan

2)Construction method

Construction plan

3)Progress and Quality control

Quality control

Progress control

,

13.Other Architectural work

1)Verification of Material (request and site inspection)

(,) Procurement plan

2)Construction method Construction plan

3)Progress and Quality control

Quality control

Progress control

,

14.Mechanical works

1)Verification of Material (request and site inspection)

(,) Part-3 Mechanical worksProcurement plan

2)Construction method

Part-3 Mechanical worksConstruction plan

3)Progress and Quality control

Part-3 Mechanical worksQuality control

Progress control

,

4)Witnessed shop testing

Quality control

15.Electrical works

1)Verification of Material (request and site inspection)

(,) Part-4 Electrical worksProcurement plan

2)Construction method

Part-4 Electrical worksConstruction plan

Progress and Quality control

Part-4 Electrical worksQuality control

Progress control

,

Witnessed shop testing

Quality control

4. Temporary works

1.Temporary facilities and utilities works

(Temporary road, Electric/Water/drainage facility etc)

(,,,)Construction plan

5. Quality Control

1. Quality control

Annex-1

2.Progress control

Annex-2

3.Photo control

Annex-3

6. Procurement

plan

1. Procurement schedule(w / Master list)As needed

2. Local Procurement

1) Approval of procurement materials (w/Shop test)

Cement/Rebar/Filter Sand/Brick/Water Proofing Material / Pipes and associated materials//Paint/Fence & Gate/Conduit Pipe/Electrical wire/Electrical fixture/Fire alarm/others

,

Inspection report

()As needed

2) Site inspection of procurement materials

Cement/Rebar/Filter Sand/Brick/Water Proofing Material / Pipes and associated materials//Paint/Fence & Gate/Conduit Pipe/Electrical wire/Electrical fixture/Fire alarm/others

,Inspection

()As needed

3. Import Procurement of M&E

/

1) Approval of procurement materials (w/Shop test)

Inspection report

()As needed

2) Site inspection of procurement materialsInspection

()As needed

7. Safety

management

Safety

management

1.General / Part-2 ( 1.24)

1)Safety control organization *bulletin board*

Safety Plan

2)Emergency communication chart* bulletin board*

Safety Plan

3)Land Mine/UXOs education

Safety Plan

4)Carry out safety meeting

Safety Plan

5)Conduct safety patrol and correction of indication matter

Every Tuesday

6)Open safety education

Every Wednesday

2.Importance of safety work management

1) Dangerous materials management

Safety Plan

Safety Plan

Safety Plan

Safety Plan

Safety Plan

Safety Plan

Safety Plan

Safety Plan

Safety Plan

1 Election of dangerous materials handling person

The establishment of dangerous materials safekeeping place

Indication of a fire strict prohibition place

2) The establishment of fire extinguishing facility

3) Road safety measures

1 The establishment of a construction signboard, barricade

,

An arrangement of a member of instruction

Closed to the Public measures of the third person

Traffic security of a walker, public vehicle

,

Safety measures of leaving part at night

4) Construction machine

1 Check for opening ago

Driving strict observance of a qualification person

Check of a wire

Check for device prevention of roll up

5)Check for Scaffolding and shuttering

,

6)Put on safety belt at up place

7)Check of sheathing

8 )Work cancellation in the rain

9) Check of electric wiring, earth

,,

3.Workers clothes

1)Put on helmets

Safety Plan

2.Check of working clothes, work shoes, gloves

,, Safety Plan

4.Safety measure

1) Mutually safe confirmation by a signal

Safety Plan

2) Arrangement of a member of traffic guide

5.Cleanliness and arrangements

,

1) Cleaning of cabin, lavatory, rest stations

,, Safety Plan

2) Safekeeping of materials and equipment (keep in order)

()

3) Reasonable disposal of disuse materials

6.Sanitary condition management

1) Labor prohibition of physical condition defectiveness person

Safety Plan

2) Periodic inspection of drinking water

3)Enforcement of gargle and wash a hand

,

4) Establishment of a first-aid kit

Safety Plan

7.Antitheft

1) Arrangement of security guards

Safety Plan

2) Lock of office, warehouses

,

8. Environment

management

1. underground utilities / Construction plan

Damage of underground utilities /

NJS Site Office DAIHO Site Office NWSDB /Vavuniya, Killinochchi

2. Environmental protection / Construction plan

Environmental protection / ()

NJS Site Office DAIHO Site Office

NWSDB /Vavuniya, Killinochchi

3. Vehicle for construction

Construction plan

1 Setting of a speed limit (full-size vehicle, normal car)

(,)

Disposal soil scattering prevention in transportation

4. Noise Control

Construction plan

5. Vibration Control

Construction plan

6. Waste water drainage

Construction plan

7. Disposal of construction waste ()Jericho Construction plan

8. Disposal area for surplus soil

JerichoConstruction plan

9. Publicity relation to local inhabitants

Construction plan

1 Establishment for construction guidance

Prior construction notice

9. Completion

inspection

PWA, Part-1 General Requirements

JICACertificate

10. Commissioning

PWA Part-1 General Requirements Certificate

7. Construction Schedule /

Annex-1 V-1 Detail of Quality Control /

An equal or higher quality than the specifications will be accepted.

Items

Description

Test Method

Allowance

Specification

Frequency

Document

1-1. Before construction /

1-2. Civil works /

Banking , backfilling

,Material (soil)

,(Good quality Soil)

()Conformed

Part-2

(1.18)Suitable

Visual observation

()As needed

Laboratory test

()JIS A 1210Actual measurement

Part-2

(1.18)More than once

/1Inspection result

As needed

Field density

()JIS A 1214, 1203>85%Part-2

(1.18)Every 500m

500m/1Inspection report

()Required

1-3. Foundation works /

Plate bearing test

JIS A 1521

Required on Spec.

Part-2

( 1.25 )Suitable

Inspection report

()Required

Crusher Run

(C-40)

Conformed

Suitable

Visual observation

()As needed

Lean concrete

BS1881>18N/mm2Part-2

( 1.07)Every 100batch/1time

100/1Inspection report

()As needed

1-4. Concrete works /

Reinforcement

Inspection report

BS 4449Conformed

Part-2

(1.06 )Every new material

Inspection report

As needed

Tensile strength test

BS 4449Conformed

Every new material

(3*6kinds)Inspection report

As needed

Plant facility

Batching units

BS 5328Within tolerance

More than once

/1Inspection report

As needed

Mixer

BS 5328Conformed

More than once

/1Inspection report

As needed

Storage facility

Spec

()Conformed

More than once

/1Visual observation

()As needed

Concrete material

Cement

BS12

manufacture certification

Conformed

Part-2

(1.02)More than once

/1manufacture certification

As needed

Mixing water quality

BS3148Conformed

Part-2

( 1.04 )More than once

/1Inspection report

As needed

Fine aggregate / Part-2 ( 1.03)

Specific Gravity

BS 882>2.5g/cm3More than once

/1Inspection report

As needed

Water Absorption Value

BS882-50

Spec JSCE

Reference 1-13Every 50m

50m/Inspection

()

Required

Earth cover

>Design section

Spreading soil depth

()Design Dimension

>Suitable

River crossing

>Design Dimension

>Suitable

Each box

>Design Dimension

>Suitable

2-6.Road pavement /

Gravel Pavement

Gravel Laying , Compaction

Length

Actual Measurement

Inspection report

()Required

Width

>7m Main road to WTP

>5m WTP to 3KmEach 500m

500m

Thickness

>20cm

Asphalt Pavement

Cut/Filled up Ground

Elevation

50mmSpec JSCE

Refer 1-20Each 40m

40mInspection report

()Required

Earth cover

>Design section

Width

>-50mm

Base

Thickness

>-30mmSpec JSCE

Refer 1-20Each80m

80m

width

>-50mm

Asphalt Pavement

Thickness

>-20mmSpec JSCE

Refer1-21Each80m

80m

Width

>--50mm

2-7.Walling works /

Progress

Specification

Suitable

Suitable

Inspection

()Required

2-8.Stone Walling /

Progress

Specification

Suitable

Suitable

Inspection

()Required

2-9.Precast Concrete works /

Progress

Specification

Suitable

Part-2 ( 1.31)Suitable

Inspection

()Required

2-10.Roofing works /

Progress

Specification

Suitable

Part-2 ( 1.32)Suitable

Inspection

()Required

2-11.Waterproofing works. /

Progress

Specification

Suitable

Part-2 ( 1.33)Suitable

Inspection

()Required

2-12.Carpentry works /

Progress

Specification

Suitable

Part-2 ( 1.34)Suitable

Inspection

()Required

2-13.Other architectural works /

Progress

Specification

Suitable

Part-2 ( 1.43)Suitable

Inspection

()Required

2-14.Mechanical works /

Progress

Specification

Suitable

Part-3

( Mechanical )Suitable

Inspection

()Required

2-15.Electrical works /

Progress

Specification

Suitable

Part-4

( Electrical )Suitable

Inspection

()Required

Annex-3 V-3 Photo Control /

Items

Description / Remarks /

Description

Frequency

Attend

1.Progress control /

1.Progress meeting

holding situation

Suitable

As neededDaily management

2.Spot inspection

Inspection situation

2.Organization of implementation /

Organization chart

Notice situation

Suitable

As needed

Daily management

3.Construction management /

1.Before construction /

1) Prior to start work

Whole view

Every 0.5km

EtcAs needed

required

2) Surveying

Suitable

As needed

Daily management

3)Trial excavation

2.Civil works /

1)Excavation, Cutting

,Suitable

As needed

Daily management

2)Banking and backfilling

,

3.Foundation works /

1)Plate loading test

Suitable

As needed

Daily management

2)Soil improvement

3)Coble stone

4)Lean concrete

4.Concrete works /

1)Scaffolding works

Suitable

As needed

Daily management

2)Supporting works

3)Form works

4)Reinforcement works

5)Concrete works

5.Piping works /

1)Verification of material

Suitable

As needed

Daily management

2)Stock and transportation

,,

3)Excavate, backfill, compact

,,

4)piping

5)Field pressure test

6.Road pavement./.

1)Road pavement

Suitable

As needed

Daily management

2)Control of pavement

7. Walling works

Verification of material

Construction

Suitable

As needed

Daily management

8.Stoneblock walling

9.Precast Concrete work

10.Roofing work

11.Waterproofing work

12.Carpentry work

13.Other architectural work

14.Machanical works /

Verification of material

Suitable

As needed

Daily management

Construction

Operation

15.Electrical works /

Factory inspection

Suitable

As needed

Daily management

Verification of material

Construction & inspection

Performance test

Commissioning test

4.Temporary works /

1.Facilities

.Temporary road etc

Suitable

As needed

Daily management

2..Housing

Site office etc

Suitable

As needed

Daily management

5. Quality Control /

1.Quality control

Management result situation

Mention it in -1 ( Annex-1)

-1 (Annex-1)

2.Progress control

Management result situation

Mention it in -2 (Annex-2)

-2 (Annex-2)

6. / Procurement plan

1. Factory inspection

On time

As needed

required

2 Site inspection

.Suitable

As needed

Daily management

7.

1.General /

Safety meeting

Suitable

As needed

Daily management

Safety patrol

2.Safety work management /

Dangerous material manage

Suitable

As needed

Daily management

Road safety measures

High place work

3.Workers clothes /

Put on helmets

Suitable

As needed

Daily management

4.Safety measure /

Member of instruction etc

Suitable

As needed

Daily management

5.cleanliness and arrangements /

Keep in order

Suitable

As needed

Daily management

6.Sanitary condition management /

First-aid kit

Suitable

As needed

Daily management

7.Antitheft /

Arrangement of guard

Suitable

As needed

Daily management

8Environment management /

1.Disposal of waste / ,

Use situation

Suitable

As needed

Daily management

2.Publicity work /

Activity situation

Suitable

As needed

Daily management

9.

Completion inspection /

inspection situation

Suitable

As needed

Daily management

Completion

Whole view

Every 0.5kmAs needed

required

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