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TERMS OF REFERENCE TRANSFER STATION DESIGN [], []

GENERAL

The transfer station facilities to be sited and designed are proposed to be part of the [] Urban Environmental Sanitation Project planned to be financed by the World Bank.

The stations would be located strategically within []. The design of facilities (including all related civil works and essential stationary equipment) for transfer of municipal solid waste shall handle an approximately one-fourth of []'s projected peak seasonal solid waste load for the year 2010 and the number of associated collection trucks.

For design purposes, it is to be assumed that half each day's volume of collection trucks is expected to arrive at each station during peak unloading period of one hour's duration in the morning. Similarly, the other half of the collection trucks is expected to arrive at the station at a second peak unloading period of one hour's duration in the afternoon. All traffic control, unloading stations, and loading equipment shall be able to handle the design peak loads in a steady flow without queuing within the station boundaries, or along its adjacent roadways.

Transfer Building floors and ramps and entrance weighbridge facilities shall be designed to accommodate anticipated GVWR loads of up to 25 tonnes per collection truck. Access roads, exit weighbridge facilities, on-site roads, ramps and parking shall be designed to accommodate GVWR loads of up to 60 tonnes per transfer truck. Transfer vehicles (including truck tractors and trailers) shall be designed to operate in accordance with [] highway design standards for GVWR and no excess capacity shall be provided on the vehicle which might lead to overloading.

OBJECTIVES

The consultants shall adequately address the following objectives within their engineering analysis and designs:  safe and efficient flow of traffic for collection and transfer trucks into and out of, as well as within, the facility.  safe and efficient unloading of collection trucks and loading of transfer trucks.  adequate storage capacity of solid waste to enable accommodation of peak periods of unloading by collection trucks and desirable periods for loading of transfer trucks (e.g., one day of storage capacity in a pit is typically considered appropriate).  adequate enclosure and ventilation for control of noise, odor and dust and to meet aesthetic needs compatible with the surrounding environs.  accommodations for workers to change clothing, wash, eat and rest.  office facilities for site supervisors and support staff, as well as for training and meetings.  fencing and gate control facilities, including weighbridges, to secure the site and enable performance monitoring of all incoming and outgoing collection vehicles and outgoing transfer vehicles.  drainage and sanitation facilities to fully meet the projected flow of a 20 year storm. TOR-TRANS Page2

 parking space for the fleet of transfer trucks which will serve the facility, unless space is unavailable and provisions for making space can be otherwise arranged at the sanitary landfills.  workshop bays, facilities, and equipment to meet the repair and maintenance needs of the fleet of transfer trucks.  washing facilities and washwater recycling facilities for the fleet of transfer trucks.  design of the facilities so that they will have a minimum life of 25 years and be able to withstand loads attributable to seismic events and climatic events of high winds.  all construction tasks clearly explained, to-be-built facilities drawn with adequate details, and quality control measures fully identified.  operations and maintenance procedures which are safe, efficient and environmentally sound.

SCOPE OF SERVICES

Pre-Design Services

Task 1.1 - Review of Available Information

Review the relevant solid waste feasibility studies to determine the range of waste loads and waste characteristics which the facility designs shall handle and to review the methods of transfer evaluated and recommended.

Task 1.2 - Compile Site-Specific Information

Compile and review information available from private and public sources, to the extent feasible, which will provide an understanding of physical conditions within the vicinity of the sites, including topography characteristics, soil bearing capacity geologic characteristics, surface and groundwater hydrology, drainage and sanitation conditions, water supply, fire protection, electrical supply, road conditions and traffic.

Task 1.3 - Develop Site-Specific Data

Perform, as needed, property surveys, topographic surveys, soil borings, geophysical tests, and identification of all underground facilities (i.e. cables, drains, gas lines, telephone lines and electrical lines).

Task 1.4 - Analysis of Pre-design Data

Analyze the information gathered and data generated in the above tasks 1.1 to 1.3 and evaluate design conditions. Provide a report on the engineering analysis, complete with identification of design issues and needs.

Task 1.5 - Develop Alternative Design Concepts

Develop a minimum of three alternative layouts and process design schemes for each of the transfer station sites. Consider alternative waste storage and unloading/loading concepts. Provide preliminary en- gineering cost estimates for each alternative scheme. Meet with the client to discuss alternatives and select a recommended scheme.

Task 1.6 - Conduct Environmental Impact Assessment TOR-TRANS Page3

Prepare an environmental impact assessment to meet World Bank and [] requirements. Include impacts of traffic, noise, odor, dust aesthetics, water discharges, land use, human settlement and employment.

Assess the impacts upon the air and water quality natural biological environment, cultural and archaeological resources and socio-economic conditions of each site and its immediate environs.

Develop mitigative measures which could be incorporated into the final design to minimize the environmental impacts.

Task 1.7 - Public Participation

Develop informational presentation materials for GOI's use at public hearings and public workshops about the proposed transfer stations. Conduct one public hearing for each proposed transfer station facility to be designed under this contract.

Task 1.8 - Finalize Design Concepts

Based on input from the public participation hearings and workshops held by the client, as well as review comments from associated agencies, modify and finalize design concepts, as appropriate. Include mitigative measures within the final design concepts.

Task 1.9 - Environmental Impact Statement

Based on the final design with the mitigative measures, revise the environmental impact assessment into a draft environmental impact statement on the proposed transfer station design.

Detailed Engineering Design Services

Task 2.1 - Process Design

Develop each station's detailed process design considering all design parameters and requirements stipulated by the client and incorporate findings, conclusions and decisions developed during tasks 1.1 to 1.8 of the Pre-Design Services.

Develop the process design for safe and efficient flow of truck traffic in and out of the station and during unloading and loading operations.

Develop process designs for management of drainage, sanitary wastes, and washwater management.

Develop process designs for ventilation and odor control systems.

Task 2.2 - Site Development Works Design Perform engineering and complete design of civil works to include the following:

 site preparation (such as clearing, draining, filling, grading and consolidation, as needed)

 all-weather access road from the main highway nearest the transfer station to the reception area within the site (including on-off ramps and interchanges as needed) to meet highway design standards for large capacity transfer trucks. TOR-TRANS Page4

 all-weather on-site roads and parking areas to meet design load and turning radius standards for large capacity transfer trucks.

 all-weather ramps from the on-site roads to the unloading floor of the transfer station to meet design load and turning radius standards for large capacity collection trucks.

 transfer station main building and foundation (including unloading, storage and loading levels, as appropriate, and hoppers).

 gate control building and foundation (including works to house weigh bridge equipment) for incoming collection trucks and outgoing transfer trucks, as well as outgoing collection trucks whose tare weight has not previously been recorded.

 support building and foundation (including offices for supervisors and support staff, room for training and meetings, canteen, worker accommodations for washing/changing/resting).

 drainage system.

 washwater and sanitary system.

 fire protection system, including water supply and extinguishers to put out fires.

 workshop, including bays for repair and maintenance of transfer trucks.

 washing facilities for transfer trucks and collection trucks.

Provide an operations manual for use of the process facilities.

Task 2.3 - Electro-Mechanical Works Design

Perform engineering and undertake design of the following electro-mechanical works:

 electrical power and distribution system

 ventilation and deodorizer system

 traffic management controls

 weighing bridges

 communication system

 fire alarm/protection system

 workshop overhead crane

Provide an operations and maintenance manual for use of the electro-mechanical works. TOR-TRANS Page5

Task 2.4 - Vehicle Specification

Provide complete technical specifications which allow comparative bidding evaluation for each component, feature, and performance requirement for the transfer vehicles.

Task 2.5 - Architectural Design

Design the facilities to be compatible with the existing and planned structures within the immediate vicinity of the station. Design the facilities to be functionally effective, enable economic operations, and require minimum maintenance.

Task 2.6 - Operation and Maintenance Manual

Provide an operation and maintenance manual which outlines all operation and maintenance procedures, schedules, and staffing requirements for the facilities and equipment to be designed. Include in the document the necessary health and safety measures and fire protection measures which are to be part of the operation and maintenance procedures.

Task 2.7 - Environmental Impact Statement

Based on [] and World Bank comments to the draft final design and the draft environmental impact statement, finalize designs and the environmental impact statement for submittal to the GOI in order to obtain environmental clearance of the proposed project.

Task 2.8 - Quantity and Cost Estimates

Prepare the bill of quantities for all works and cost estimates of pay items for each component of the design. Define the methods of payment per item (lump sum, unit cost) which would be most appropriate to enable cost and quality control.

Task 2.9 - Tender and Contract Documents

Prepare the following documents for Civil and Electro-Mechanical works included within the scope of services, including:

 instruction to tenderers

 complete set of final construction drawings

 technical specifications for all facilities including installed stationary equipment

 technical specifications for transfer trucks, including yard goats and maintenance equipment and tools

 bill of quantities

 conditions of contract

 form of contract TOR-TRANS Page6

 bidding form

REPORTS AND PLANS

Ten copies of monthly progress reports, not exceeding ten pages, shall be provided describing the progress made on the services required. The reports shall include the problems encountered, if any, and major findings and recommendations as well as the basis for such recommendations.

Ten copies of the comparative evaluation report of alternative schemes for the design concepts and ten copies of the environmental impact assessment report shall be submitted for review and approval of the Government before proceeding to the detailed engineering design works.

Ten copies of the preliminary plans and drawings with their corresponding design analysis, quantity and construction cost estimate. This submittal shall be made ahead of the target date of completing the services required and shall be accompanied by all calculations and procedures used in the design and analysis.

Ten copies of all plans, drawings, specifications, other necessary bidding documents and other necessary related documents; three confidential copies of cost estimates and one set of reproducible plans and drawings on stable based materials shall be provided upon completion of final design engineering efforts.

SCHEDULE

The services of the detailed engineering design services, including pre-engineering services and environmental impact assessment, shall be completed within a period of eight months.

TEAM

The team shall include at least one solid waste management specialist with over 15 years of related experience, particularly with experience in the planning and design of transfer systems, one ports engineer with over 15 years of related experience in cargo transport, ports design and ports management, one civil engineer with over 20 years of design experience in cargo, ports, and/or transfer systems and roads, and related design engineers with mechanical, electrical, and other essential experience required for the design of the above discussed transfer facilities and equipment.