UPGRADING OF WATER STORAGE CAPACITY AND DISTRIBUTION SYSTEM IN KAWA SETTLEMENT, QUSHTAPA DISTRICT, ERBIL IRAQ

The objective of the project is to rehabilitate and upgrade the current water supply system in Kawa Settlement/Iranian and Qushtapa Collective Town – Qushtap sub District, Erbil Governorate by increasing the storage capacity, rehabilitating the distribution system to improve the access of persons of concern (POC) for drinking water in term of quantities and quality.
The project includes the following works: Replacing the existing damaged Elevated Sectional Water Tanks with TWO NEW GRP water tanks of 48 Cu.M storage capacity/each. Providing & installing (construction) TWO Galvanized Steel Towers of 9 m height/each tank with RC foundation. Extension of the existing water supply system by using HDPE Pipes of RC quality and GI Pipes with all required
Fittings, Valves, and necessary plumbing works. The work also includes all related works such as excavations, sub‐base, concrete works, plumbing works, construction of manholes, mechanical works such as piping, (if necessary relocating flow meters and chlorination system), and construction of external steel fence for the new constructed GRP WTs and Boreholes.
Important Note:
 All the works should be done according to the International & Iraqi General Technical & Specifications(IGTS), Instructions of the supervision Engineer, UNHCR General Conditions of Contracts for Civil Works and UNHCR General Conditions of the provision of mixed goods and services.
 The contractor shall install (in full first) TWO steel signboards of 1.0 m x 1.2 m with calligrapher wages to achieve visibility of the project as well as put the UNHCR logo on the water tanks in accordance with UNHCR supervision engineers.
 The contractor is required to provide and Install a prefabricated office at least including a kitchen and toilet for the supervision engineers of the project with all required furniture, electrical, mechanical, and communications services.
 The contractor is responsible for preparing a detailed shop drawing before starting the constitution and building drawings after completing the construction.
 UNHCR will provide monitoring forms to the contractor, and the contractor is responsible for filling these forms.
 The daily works will be overseen by a UNHCR Engineer, UNHCR Partners, DESW, and may the third-party onsite daily.
 Detailed description and specifications are determined in the attached BOQ as Annex‐C.
 The contractor must complete all works as per the Drawings, Bill of Quantities, and Technical Specifications within 150 days from the date of site handover.
 Safe removal and disposal of used or leftover material from the site to the location identified by the UNHCR Engineer will be the contractor's responsibility.
 The concrete includes supply and cast of concrete, shuttering, tie rods, spacers, supply and placing of concrete, vibrating, steel reinforcement shaping and fixing, curing, steel reinforcement, supply and cast the required concrete, using mechanical vibrators, curing, testing steel reinforcement and
concrete, two coats of waterproof hot bitumen layers for foundations, concrete walls, necks & ground beams/piles, and all underground elements, and all other requirements & workmanship specifications, drawings and Engineers Instructions. The work/price includes preparation of detailed Design Works by an authorized Consultant Expertise Bureau/Engineer for the Elevated Water Tanks
Reinforcement Concrete Foundation which should include all required technical details, size, dimension, and shape of RC according to existing site requirements, soil bearing capacity, water tank size and instructions & approval of Supervisor Engineer.
 Details of works are provided in the Bill of Quantities (BoQ) attached with the Financial Offer Form (Annex C) and in the attached drawings (Annex A).
 All the mentioned quantities in the BoQ are estimated and are subject to actual measurements after completion of the project.
 The contractor must check the designs and drawings for accuracy and adequacy. Otherwise, the UNHCR takes no risk of the contractor's failure to accomplish the work.
 In case of any difference between BOQ, designs and/or drawings; the instructions of supervision Engineers will prevail.
 UNHCR Supervision Engineers and its Partner, DESW and may third‐party//(Monitoring Co.) Engineers inspect the quality of the material and work implemented by the contractor. The work must be within engineering specifications/standards and time limits.
 The contractor shall submit samples/catalogues of the materials to be used in the project to the supervision Engineers for approval, prior to the commencement of works. The supervision Engineer can reject any material that does not comply with the specifications. Rejected materials should be replaced by the contractor without any extra cost.
 The supervision Engineer can demand laboratory tests, and a Certificate of Origin & Quality to ensure the quality of the material used in the project. UNHCR Engineers have the right to re‐test any materials in the project in a different laboratory for some cases.
 The contractor shall appoint one qualified site engineer and one technician to represent him with 5 years of professional relevant experience to work in such a project who should remain full‐time on the sites during the contract period.
 The contractor should submit weekly and monthly progress reports and it will be endorsed by UNHCR supervision engineers.
 The contractor is responsible for the safety of all activities on the site including the provision of all occupational safety requirements for all employees and workers (PPE).
 The contractor shall make fix all damages, if any, to the existing pipeline, electric poles & cables, houses, streets & sewerage channels during the implementation of the project in the area. The contractor shall remove all debris and site waste after completion of works to dumping sites that are
approved by the municipality.
 The contractor is required to guarantee that the provision of water supply to the population should continue and not be stopped or affected during the implementation of any work items of this contract
and in this regard, it's the responsibility of the contractor to find any suitable and adequate solution under instruction and approval of Supervisor Engineer.
 The successful contractor will be required to complete all works as per the Drawings, Bill of Quantities, and Technical Specifications within 150 Days from the date of site handover.
 The defect liability period is 12 months including all civil, piping, electrical, and mechanical works.