Replacement heating and mechanical plant

Description

The works involved in this project consist of the replacement of the heating plant and general replacement of mechanical plant within the plant room. The heating plant consists of 3no. condensing units serving 3no. hyrdroboxes, a domestic hot water cylinder and pipes, pumps and ancillaries, protective cages, controls, insulation, valves, sensors etc.
The final installation shall provide for good access to provide easy maintenance and potential to remove and replace all plant. Plant should not be installed in locations where access is restricted or difficult.
Allow to include for all the BMS, electrical and builders work associated with the mechanical services contract and detailed in this specification and as shown on the drawings.
Electrical works are detailed within the this specification.
Installed and commissioned to latest issues of relevant British Standards, Water Regulations and Gas Safety Regulations.
The contractor shall develop the construction phase drawings in electronic (dwg) format using the current architectural layout. As-built drawings shall be provided to the client as part of the O&M information upon completion of the project. 
The contractor is responsible for providing the following content or documentation as part of the project construction:
1.
Develop the Stage 4 Tender Design into a fully co-ordinated Stage 5 Construction Documentation package
2.
Check the provision for and accuracy of the builder's work information issued prior to the award of the contract
3.
Detail the final or supplementary builders work information based on manufacturers or sub-contractors design orco-ordination information and provide fully dimensioned drawings.
4.
Detail all access requirements, including access in false ceilings, for maintenance & cleaning and provide fullydimensioned and annotated drawings.
5.
Design and undertake all acoustic and fire stopping required to facilitate the works
6.
Ensure adequate pipework fall gradients are provided.
7.
Ensure suitable access to all valve and plant locations for easy access of maintenance personnel.
8.
Prepare detailed electrical wiring diagrams of all equipment supplied showing all interconnections between equipment to enable all wiring installations to be undertaken.
9.
Ensure sizes indicated on the detailed design information are not invalidated by the selection of alternative routes during co-ordination or selection of alternative manufacturer's equipment.
10.
Ensure all alternative proposals including value engineering exercises are fully designed before submitting forapproval.
11.
Note and advise the main contractor of all acoustic and fire stopping required to facilitate the works.
12.
Any changes to the detailed design drawings and information required as part of a variation or change from specification post contract award shall be undertaken by the contractor and information issued to the CA for approval/comment.
13.
Design, supply and install all rectangular builders work openings with both dimensions less than or equal to 200mmand all round builders work openings with a diameter of less than or equal to 200mm.