Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

List of Annexes

Annex 1 Surface Water Resources Annex 2 Ground Water Resources Annex 3 Water Treatment Annex 4 Water Distribution Annex 5 Sanitation Annex 6 Site Clearances

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Annex 1

Surface Water Resources Chilaw

• Pictures

Puttalam

• Layout Plan • Pictures

Vavuniya

• Layout Plan • Pictures

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Surface Water Resources Chilaw – Deduru Oya

Deduru Oya

Deduru Oya

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Surface Water Resources Puttalam – Kala Oya

Kala Oya @ channel to Eluwankulama Tank

Eluwankulama Tank

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Achchimolai Tank

Channel @ Kala Oya

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Surface Water Resources Vavuniya – Per Aru

Proposed Dam location

A9 junction leading to proposed dam access

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Kaddayar Kulam

Farming land irrigated by above dam

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Annex 2 Ground Water Resources

Current status of Chilaw and Puttalam • Report

Current status of Vavuniya and Mannar • Report

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Annex 3 Water Treatment

Rehabilitation of existing Water Treatment Plants Chilaw

• Pictures

Puttalam • Pictures

Mannar • Analysis of raw water quality samples • Pictures

New Water Treatment Plants

• Treatment Process Block Diagram • Typical Process flow diagram • Typical Hydraulic Profile

Chilaw

• Proposed treatment plant site

Puttalam • Proposed treatment plant site

Vavuniya • Proposed treatment site

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Rehabilitation of existing Water Treatment Plants Chilaw

Aerator View from behind aerators

Filters Storage Reservoirs

Sedimentation Tank Spiral staircase to aerators

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Rehabilitation of existing Water Treatment Plants Puttalam

Aerator Filters

Green Sand from filters Chlorination System

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Rehabilitation of existing Water Treatment Plants Mannar

Disinfection unit Disinfection Unit

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Chilaw Proposed treatment site

Proposed water treatment plant site looking towards padi fields

Proposed site for water treatment plant

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Puttalam Proposed treatment site

Access road to proposed water treatment plant

Proposed site for water treatment plant

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Vavuniya Proposed treatment site

Proposed location for water treatment plant

Access road to proposed water treatment plant will need upgrading

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Annex 4 Water Distribution

Chilaw

• Proposed base map to be used to identify networks • Pictures of proposed sites for towers / sump & pump station

Puttalam • Conceptual network layout • Pictures of proposed sites for towers / sump & pump station

Vavuniya • Proposed network schematic • Pictures of proposed sites for towers / sump & pump station

Mannar

• Proposed network schematic • Pictures of proposed sites for towers / sump & pump station

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Chilaw Pictures of proposed sites for towers / sump & pump station

Proposed tower site @ Bingiriya

Proposed tower site @ Bangadeniya

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Puttalam Pictures of proposed sites for towers / sump & pump station

Proposed tower site @ Kaladiya

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Vavuniya Pictures of proposed sites for towers / sump & pump station

Existing tower site

Moonrumurippu tower site

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Nelukulam tower site

Nelukulam sump / pumping station site

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Mannar Pictures of proposed sites for towers / sump & pump station

Palimurai site for sump & pumping station

Eluthoor tower site

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Pictures of existing towers / sump & pump station sites

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Annex 5 Sanitation

Chilaw

• Pictures of proposed Septage site • Pictures of public latrines to be rehabilitated

Puttalam • Pictures of proposed Septage site • Pictures of public latrines to be rehabilitated

Vavuniya • Pictures of existing Septage site • Pictures of public latrines to be rehabilitated

Mannar

• Pictures of proposed Septage site

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Chilaw Pictures of proposed Septage site

Propose Site for Chilaw STP and Bangadeniya

Proposed Site for Chilaw STP and Bangadeniya (Main Entrance)

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Chilaw Pictures of public latrines to be rehabilitated CTB bus stand

Front of building

Side of building

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Private bus stand

Corea Road

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Puttalam Pictures of proposed Septage site

Proposed Site for Puttalam STP

Proposed Site for Puttalam STP

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Puttalam Pictures of public latrines to be rehabilitated Main Supermarket

Fish Market

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Urban Council / bus stand

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Vavuniya Pictures of existing Septage site

Inlet arrangements and Anaerobic Lagoon/Pond at Pohnpemadu STP

Facultative / Oxidation Pond Pohnpemadu STP

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Vavuniya Pictures of public latrines to be rehabilitated Central Bus Stand

Bazaar area

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Mannar Pictures of proposed Septage site

Propose Site for Mannar Septage Treatment Plant

Access Point from the A32 Road to the Proposed Mannar STP Site

Preliminary Design Review Report Version - Draft

ADB Assisted Dry Zone Urban Water and Sanitation Project – Sri Lanka Design, Construction Supervision and Management Support (Package A)

Annex 6 Status of Clearances in Project Area

Chilaw / Puttalam

• Status of clearances for all proposed construction sites

Vavuniya / Mannar • Status of clearances for all proposed construction sites