Planungsleistungen Ersatzneubau Trinkwasserhochbehälter, Stadtwerke Bad Nauheim

The contract timeline is structured in stages. The contractor must begin the services for Stage 1 immediately upon the award of the contract. Stage 1, which covers performance phases 5 and 6 (execution planning and preparation for award), must be completed by February 28, 2027.

Further stages include:

• Stage 2: Performance phase 7 (assistance with the award of contract).
• Stage 3: Performance phase 8 (object supervision, documentation, and object support).

The commissioning of Stages 2 and 3 is conditional on a separate call-off by the client.

A specific milestone mentioned is a "Results presentation" scheduled for October 1, 2025.

The core scope of work for this tender involves planning services for the "Ersatzneubau Trinkwasserhochbehälter Goldstein" (Replacement new construction of the Goldstein drinking water elevated tank), which has an effective capacity of 2 x 1,000 m³ plus an operating house. The services are structured according to HOAI (Fee Schedule for Architects and Engineers) and cover several service phases and disciplines:

Overall Project Goal:

The primary objective is to fulfill all architectural and engineering services to achieve the agreed-upon project goals, ensuring cost and deadline compliance. This includes basic and special services outlined in the tender documents.

Key Planning Disciplines and Service Phases:

• Freianlagen (Outdoor Facilities): All basic services for Leistungsphasen (Lph) 5-8.
• Ingenieurbauwerke (Engineering Structures): All basic services for Lph 5-8, specifically for structures and facilities related to water supply and wastewater disposal.
• Tragwerksplanung (Structural Engineering): All basic services for Lph 5-6.
• Technische Ausrüstung (Technical Equipment): All basic services for Lph 5-8.

Core Deliverables and Tasks (Summary):

1. Review and Verification: During the offer phase, bidders must review the completeness and correctness of existing draft and approval planning and cost estimates (Lph 3 & 4), and document any deficiencies. If deficiencies exist, the contractor is responsible for providing the necessary basic services for Lph 3 and 4 in the aforementioned disciplines.

2. Structural Engineering (Lph 5-6): Includes quantity determination for steel and timber construction, rough estimation of structural steel and connection elements, and assisting in creating service descriptions for the bill of quantities.

3. Technical Equipment (Lph 5-8): Involves quantity determination for bills of quantities, preparation of procurement documents including service descriptions and bills of quantities (with maintenance services), coordinating interfaces with other planners, cost determination based on priced bills of quantities, and cost control.

4. Construction Surveying: Comprehensive surveying activities including checking and supplementing fixed point fields, preparing and executing staking, handing over surveying data to the construction company, performing measurements for densification, verification, construction-accompanying staking, deformation monitoring, self-monitoring measurements, continuous inventory recording, and surveying supervision with control measurements and protocolling.

5. Procurement (Lph 7): Encompasses obtaining, reviewing, and evaluating offers, preparing price comparisons, coordinating services, conducting bidder discussions, creating award proposals, documenting the award process, compiling contract documents, comparing tender results with cost calculations, and assisting in contract award.

6. Construction Supervision (Lph 8): Involves overseeing local construction supervision, coordinating involved parties, reviewing and approving plans, preparing and monitoring schedules, initiating default procedures for contractors, determining costs, comparing costs with the contract sum, and accepting construction services.

7. Documentation: Provision of a complete documentation in German for the entire project, covering all service phases and aspects, especially Lph 8, necessary for the operation of the facility.

8. Project Management & Concepts: Development of concepts for project organization (internal structure, qualifications, experience, continuity, efficiency) and project implementation (approach to challenging aspects, solutions, time schedule, personnel deployment plan) to ensure adherence to cost and schedule targets.

9. Energy Efficiency and Climate Protection: Conducting a potential analysis for short-, medium-, and long-term energy efficiency and saving potentials, developing rough variant sketches for greenhouse gas reduction measures, investigating and evaluating variants based on reduction impact, economic viability, and approval, and establishing a prioritized catalog of measures for efficiency increase, including interface identification and indicators for success control.

10. Data Basis: Utilization of existing data, including basic evaluation and preliminary planning for the replacement new construction of the 2 x 1,000 m³ drinking water elevated tank.