81300477-Design, Construction and Commissioning of Sludge Management Facility in Za'atari Refugee Camp

The Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH is currently implementing the project Waste to Positive Energy / Sludge Management in Zaatari and Azraq Refugee Camp (SMZA) in Jordan. As part of this project GIZ intends to award a contract for the Design, Construction, Commissioning, and Operation (optional) of Sludge Management Facility in Zaatari Refugee Camp - Consisting of Sludge Pretreatment and Gravity Thickening, Mechanical Sludge Dewatering, Treatment of Backload Liquors and Greenhouse Solar Sludge Drying The scope of work includes the following: 1) The Contractor shall in general fulfill all the duties of the "Contractor" as specified in the FIDIC Conditions of Contract for Plant, Design and Build (Yellow Book) for the system detailed design, construction, testing, and commissioning. The Contractor shall prepare a detailed design based on the conceptual/functional design prepared by the project Consultant which shall ensure that the sludge treatment facility meets the design criteria. Moreover, the tender documents prepared by the project Consultant will include, but not limited to: design criteria, Employer"s requirements, technical specifications, and drawings. 2) The Works to be designed by the Contractor shall be capable of processing the incoming (received) sludge flows presented in the table below: 1. Septic tank sludge Septic sludge from PRC septic tanks and emergency tanks of sewerage pumping stations of Za'atari Refugee Camp (typical 2-6% DS) Annual sludge flow (Parameter) | m3/a (Unit) | 18,250 at 3.8% DS (Design Value) Average daily sludge flow (Parameter) | m3/d (Unit) | 50 at 3.8% DS (Design Value) Maximum daily sludge flow (Parameter) | m3/d (Unit) | 182 at 3.8% DS (Design Value) 2. WWTP sludge Septic sludge from PRC septic tanks and emergency tanks of sewerage pumping stations of Za'atari Refugee Camp (typical 2-6% DS) Annual sludge flow (Parameter) | m3/a (Unit) |63,510 at 1.5% DS (Design Value) Average daily sludge flow (Parameter) | m3/d (Unit) |174 at 1.5% DS (Design Value) Maximum daily sludge flow (Parameter) | m3/d (Unit) | 261 at 1.0% DS (Design Value) 3) The required sludge treatment works are as follows include all associated civil works, mechanical and electrical works: - WWTP Sludge Transfer Stations- two (2) sludge pumping stations provided for transferring WWTP sludge from the existing sludge storage tanks of Za'atari WWTP to the Sludge Pre-treatment Station - Tanker Unloading Point- two (2) unloading points provided for reception of septic tank sludge delivered by sludge tankers - Sludge Pre-Treatment Station - including screen and grit removal chamber for pre-treatment of all received sludge. - Sludge Equalization Tank- one (1) no. tank provided for buffering, homogenization and thickening of pre-treated sludge. - Thickened Sludge Pumping Station- for transfer of sludge from the Sludge Equalization Tank to the Dewatering Feed Tank - Dewatering Feed Tank- for supplying a batch of consistent quality feed sludge to the Sludge Dewatering Plant - Sludge Dewatering Plant -including 2 no. mechanical dewatering machines and polymer preparation units for dewatering of sludge to greater than 20% DS. - Lime Dosing Plant- Including lime storage silo and lime/sludge cake mixing for sludge pasteurisation. - Sludge Drying Plant- three (3) no. Climate-controlled solar drying halls (greenhouse) provided for drying dewatered sludge cake up to 85% DS dried sludge all year round. - Supernatant Pumping Station- for pumping of all process drainage (sludge liquors, domestic WW, overflows, etc.) to the Backload WWTP - Backload Wastewater Treatment Plant - Wastewater treatment process provided for treating process drainage to meet regulatory effluent requirements, including chemical dosing and disinfection. - Blower Station - for supply of pressurized air to grit chamber and Backload WWTP - Service Water Pumping Station - for pumping of effluent of Backload WWTP for reuse as service water within the sludge treatment facility e.g., for polymer post-diluting, etc. - Potable Water Storage and Pumping Station- for reception, storage, and pumping of potable water necessary for process and non-process consumption at the site. - Odour Control Unit - for treating odour extracted from covered process units. - General facilities such as: o The operation building comprises a furnished office, laboratory, rest room/kitchen, showers and toilets, workshop, storeroom, electrical room, generator room. o Transformer station (outdoor installed on concrete and fenced) o Process control system for monitoring and control of the processes throughout the sludge treatment facility and SCADA system o Access road and access paths within the plant area and parking lots o Outdoor lighting o Operation vehicles o Landscaping o Rainwater drainage system o Firefighting system 4) The Contractor shall provide an optional service for full operation and maintenance of the Works for a one (1) year Operation service period commencing after the handover certificate is issued and running concurrently with the defect notification period (DNP).