including Fill Materials

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Supply & Erect Shelters

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While design and noise Modelling is ongoing, T2D is seeking early market sounding to gauge industry interest and suitability. T2D is seeking Expressions of Interest (EOI) from subcontractors interested in upcoming facade treatment works. This package involves a variety of domestic building and retrofit activities from subcontractors with experience in residential construction, acoustic treatments, and retrofit works. Requirements: - Must have a Registered Builders Licence & Supervisors Licence - Have Public Liability Insurance - Provide portfolio of projects completed within the last 3 years Scope: General domestic building works and other trades that may be required include, but not limited to: - Minor demolition works - Installation of secondary glazing to existing windows/doors - Carpentry (1st and 2nd Fix) works eg. Retrofitting/replacement of doors & windows - Installation of acoustic seals to doors, windows and other flanking paths (air vents etc) - Electrical, split and ducted air conditioning, lighting, and other electrical works as required - Insulation installation - Sealing (Caulking to External Surfaces) - Masonry Construction & Repairs - Roofing Works - Painting - Rendering & Plastering - Other services (Electrical, Mechanical, and Hydraulics) Timing: From early 2026 onward (multiple packages likely)

Supply of plants and trees

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line pump boom pump submersible pumps etc

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Cable ties Paint T-rex,survey peg Brushes Nails, Line marking paint, etc

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May include - Crowd Control Barrier - Pit Gates - Fabric Mesh Barrier - Traffic Cones - Retractable barrier

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Motorist Emergency Equipment Point Fire Rescue Emergency Equipment Points

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Scope includes: Assembly and installation of (x12) large axial fans c/w dampers, transitions ducts and steel framing. Installation of invert axial fans (x8) c/w dampers, transition ducts and steel framing. Installation of tunnel jet fans (x132) c/w primary and secondary frames and safety chains.

Scope includes: Installation of 39 duty standby split units ranging from 5 to 9kW. Installation of duty standby exhaust systems for 8 sump chambers; EXD rated systems. Installation of cross passage pressurization systems (4 locations w/ 2x fans and accessories each). Configuration of splits and mech ventilation. Testing / commissioning assistance. Note: the above includes equipment install, mech piping c/w lagging (dx and condensate), electrical (power from local disconnect, interlock in full, controls to local PMCS panel).

Quantities: 4x low point sumps (3x dual stage dry mount submersible pumps each) 4x portal sumps (4x submersible pumps each) 3x lowered motorway sumps (4x submersible pumps each) Scope includes: Installation of pumps, piping, valves, instrumentation / controls. Piping material TBC. Installation of pigging stations (Low point sumps only). Wiring of pumps, valves and instrumentation to a local JB / marshalling box. Electrical must be EXD certified for LPS and Portals. Configuration of sump systems as a whole and Testing / commissioning assistance.

Scope Overview - Roadside cabinets installation - ITS devices installation: LUMS, VMS, Cameras, traffic loops - Ramps management, tunnel closure, OHVD, DGVD - Cabling (roadside cabinet to devices) - Fibre Optic (Surface ITS loop) - Exclusion: ITS Gantry Structures Materials Supply - Free-issued by T2DA: Roadside Cabinets, Signs, Cameras - By subcontractor: Cables, accessories, fixings, consumables Key Quantities - 45 x Roadside Cabinets - 140 x Electronic Signs - 70 x CCTV cameras - 140 x AID cameras - 60 Detection Loops Contract Type - Re-measurable Quantities

Scope Overview - Cross-Passages Boards & Cabinets installation - Cross-Passages cable containment installation - Cross-Passages fit-out (lights, GPO, cameras, speakers, small power) - Cross-Passages internal cabling (LV & Control) - Tunnel Carriageway sidewall cable ladder and Emergency Lighting - Final circuit cabling & terminations - Energisation tests Exclusion: Tunnel crown assets & containment by others Locations - South Tunnels 20 x Electrical Cross-Passages 19 x Fire Cross-Passages 2 x 4.3 kms Carriageway 2 x 4.3 kms Invert Service Gallery - North Tunnels 10 x Electrical Cross-Passages 9 x Fire Cross-Passages 2 x 2.2 kms Carriageway 2 x 2.2 kms invert service gallery Materials Supply - Free-issued by T2DA: DB, Cabinets, cables, cable containment, main assets - By subcontractor: Small assets, accessories, fixings, consumables Key Quantities - 120 x Distribution Boards - 80 x control cabinets - 15,000 m cable containment - 1,200 kms of LV and control cable Contract Type - Re-measurable Quantities

Scope Overview - Substations 22kV & LV switchboard, Transformers, Control panels - Substations Cable containment - Substation internal cabling and terminations - Substation Lighting, small power, securoty - Tunnel Invert Service Gallery - HV feeders cabling (through tunnels invert gallery) - LV Submain & Jet Fan cabling (through tunnels invert gallery) - Energisation tests Materials Supply - Free-issued by T2DA: DB, Cabinets, cables, cable containment, main assets - By subcontractor: Small assets, accessories, consumables Key Quantities - 10 x 22kV Switchboards - 20 x 22kV/690V/400V Transformers - 10 x 400V Main Switchboards - 10 x 690V Motor Control Centre - 42 kms of 22kV cable - 260 kms of LV Submain & Jet Fan cables Contract Type - Re-measurable Quantities

Scope Overview - Fibre Optic backbone cable installation - Patch Panels and FOBOT installation - Splicing and termination into terminal equipment - Fibre Optic testing Materials Supply - Free-issued by T2DA: Fibre Optic Cable - By subcontractor: Patch Panels, splicing kits, pre-terminated cable patches, accessories, consumables. Key Quantities - 200 kms of FO cable - 80 x Patch Panels Contract Type - Re-measurable Quantities

Scope Overview - Roadside cabinets installation - ITS devices installation: LUMS, VMS, Cameras, traffic loops - Ramps management, tunnel closure, OHVD, DGVD - Cabling (roadside cabinet to ITS devices) - Fibre Optic (Surface ITS loop) - Exclusion: ITS Gantry Structures Materials Supply - Free-issued by T2DA: Roadside Cabinets, Signs, Cameras - By subcontractor: Cables, accessories, fixings, consumables Key Quantities - 20 x Roadside Cabinets - 90 x Electronic Signs - 85 x CCTV cameras - 65 x AID cameras - 36 x Detection Loops Contract Type - Re-measurable Quantities

Installation of various pipework within tunnel, such as installation of invert pressure pipe through mechanical lifting and installation from a bespoke gantry. Invert pipe installation within cross passages being installed from a road level. Assorted pipe and conduit installations through out tunnel network as directed

Firestopping of all M&E penetrations including schedule pipe, conduits, cable tray, etc. Typical penetrations are -/120/120 and substrate includes formed concrete, block, drywall and other. Penetration schedule to be provided with tender package.

Seeking Licenced Builder for Residential Upgrades and Restoration Works The T2D Alliance are looking for an experienced residential builder to undertake a range of upgrades and restoration works to numerous residential homes, including but not limited to 1st and 2nd fix carpentry, window repairs/ alterations, skylight alterations, facade restoration, vent sealing, and improvements to mechanical ventilation systems. T2D requires a licenced builder to ensure treatments specified to specific properties are applied to a high level of quality whilst complying with the Road Traffic Noise Guidelines. Scope Includes: - Small demolition works - 2nd fix Carpentry works, including installation / replacement of new/ existing doors and framing modifications & hardware changes - Replacement and/or retrofitting of new windows as specified and acoustic seals - Installation of secondary glazing or acrylic windows (magnetite) - Sealing of internal & external wall vents - Internal lining & Flushing - Painting, rendering & restoration work of the like - Masonry repairs - Supply & Install mechanical ventilation as required (i.e., New Split Systems or Reverse ducted system) including any necessary electrical works/ upgrades required - Other Electrical works as required - General Plumbing works - Roofing & Guttering Key Requirements: - Proven expertise in carpentry, facade restoration, and retrofitting works or general building work - Ability to match existing finishes and preserve the homes character - Attention to detail and high-quality craftsmanship - Current Builders Licence & Insurances