Repair of wastewater pipes at Hvittorp Conference and Training Centre

Repair of wastewater pipes at Hvittorp Conference and Training Centre The aim of the repair work is to eliminate the functional deficiencies and damages found in the building's wastewater drainage system and to bring the repaired pipe sections into a functionally reliable condition. Based on pipe flushing and inspections, an incorrectly implemented sink drain connection has been found in the pipe running under the bomb shelter, causing blockages. The bomb shelter's drainage also includes rusted cast iron pipes. Depressions have also been observed in the pipes, as well as a pipe punctured by a metal object running under the corridor of the accommodation wing. The contract includes the following work within the scope presented in the request for proposals and design documents: - Necessary floor demolition, excavation, and pipe repair work in the bomb shelter entrance area - Repair of the cleaning center's pipe depression and related construction work - Repair of the damaged pipe section in the accommodation wing - Replacement of wastewater pipes in the repair areas from the demolished sections - Lining of incomplete pipe joints and glazed and rusted pipes according to the plans - Opening of floor structures, necessary excavation and backfilling, and restoration of floor structures - Demolition of the light partition wall of the accommodation room adjacent to the accommodation wing corridor to allow for excavation, and reconstruction of the partition wall after the pipe work is completed - Replacement of floor materials in the accommodation wing corridor, lounge area, and one accommodation room according to the plans - Demolition, protection, dust control, construction, HVAC, and finishing work required for the aforementioned work, and restoration of repaired structures and surfaces to their finished condition according to the plans. The wastewater pipes are located in places at a depth of about one meter below the floor structures. The contractor must take the installation depth of the pipes into account in the work methods, excavation implementation, and site planning. Hvittorp Conference and Training Centre will not be in use during the contract period. Simultaneously with this contract, repair work is underway in the adjacent Villa. In addition, other repair and maintenance work commissioned by the client may be carried out in the conference and training center during the contract period, such as sealing repairs in office spaces. The contractor must take the simultaneous work into account in the planning, scheduling, site arrangements, and organization of traffic routes for their own work, and coordinate their own work phases with other contractors operating in the area and in the building. Simultaneous work does not entitle deviations from the schedule requirements set out in the request for proposals documents for this contract. Work areas within the building must be clearly demarcated. Access by unauthorized persons to work areas and to spaces whose water or sewage connections have been disconnected during construction work must be prevented. The contractor must ensure dust control during the work. The contractor must take into account the weight-restricted bridge located on the road leading to the site when planning site traffic and transport. The contractor is responsible for ensuring that transports, vehicles, and machinery directed to the site are suitable for the access route and comply with the valid weight restriction on the bridge. Site traffic and material transport must be planned so as not to exceed the weight restriction. The contract will be carried out from January to April 2027. All work under the contract must be completed and the site handed over to the client by 30.4.2027 at the latest. The contractor must take into account the time required for the re-casting and drying of floor structures in their work and schedule planning. The work must be planned and executed so that the contract is completed within the set deadline. The contract will be carried out in its entirety in accordance with the request for proposals, contract documents, and architectural, structural, and HVAC plans. Repaired structures and surfaces must be restored to their finished condition according to the plans. Repaired wastewater pipes and related systems must be operational upon commissioning. Upon completion of the contract, the work areas must be handed over to the client in a finished and clean condition. Attached is the client's instruction for final cleaning. The client requires that the contractor has familiarized themselves with the construction site before submitting a proposal. No register will be kept of participants in the site visit. Building services expert Harri Heiskanen will present the work site area at harri.heiskanen@evl.fi tel. 050 432 3687. Presentation times are 3.11. at 9:00-10:00 and 5.11. at 9:00-10:00. Starting point from the Hvittorp Conference and Training Centre parking lot. Registration by 12:00 PM on the preceding business day at the latest.