Scottish Hydro Electric Transmission (SHET)

```json { "overview": "Scottish Hydro Electric Transmission is setting up a long-term framework to find contractors for major electricity network infrastructure work across Scotland. This is a huge multi-lot procurement worth up to £7.4 billion over up to eight years, covering everything from digging trenches for underground cables to building towers for power lines and constructing buildings. The buyer wants strategic partners who can handle design, build, test and handover of complete projects.", "requirements": [ "Capability and capacity to deliver design, management, construction, testing and completion works", "Ability to work on live transmission assets and critical infrastructure", "Understanding of CDM Regulations (Construction Design and Management) and Main Contractor duties", "Competency in RIBA Stage design management (at least Stage 4)", "BIM (Building Information Modelling) capability for design and construction phases", "Knowledge of SSEN T Gate process documentation including Design Risk Management Index and Hazard Identification Workshops", "Health, safety, environment and sustainability compliance and reporting capability", "Experience with planning applications, environmental assessments and biodiversity net gain reporting", "For OHL and UGC lots: experience with high voltage transmission systems (132kV and above)", "For civils lots: geotechnical, hydraulic and structural design/delivery experience where applicable", "For buildings lot: mechanical and electrical services fit-out capability", "Stakeholder coordination and utility investigation management experience" ], "key_tasks": [ "Lot 1 (Civils up to £10m): Substation site clearance, earthworks, foundations for plant, internal substation roads and drainage, access track construction, public road improvements, standard ducting and cabling, peatland restoration (work is split into 5 Scottish regions — bidders can apply for one or more)", "Lot 2 (Civils over £10m): Complex substation platforms and foundations, lengthy access tracks, bridges and retaining walls, flood defence schemes with sheet piling and pumping stations, watercourse diversions, slope stability works, resilient substation adaptations, major public road realignments", "Lot 3 (Buildings & Infrastructure): Design and build storage buildings, training facilities, office buildings, upgrades and extensions; internal fit-out work including partitions and cable management; mechanical and electrical services in buildings; replacement of RAAC (defective concrete) roof structures; establish and manage design teams; prepare RIBA Stage 4 drawings and BIM models; develop construction programmes; undertake enabling works; prepare planning applications with visualisations and noise studies; complete Environmental Management Plans and Biodiversity Net Gain reports; specific delivery of electrical substation buildings and associated control systems for training school infrastructure", "Lot 4 (OHL Pole Construction): Detailed design of pole foundations and temporary works; conduct surveys and ground investigations; install wood, steel or composite poles; construct foundations (reinforced concrete, embedded or piled); erect poles with alignment and stability works; install crossarms, insulators and fittings; string conductors and earth wires; remove/replace existing poles where needed; tie in to existing lines; test and commission to demonstrate compliance; produce as-built records", "Lot 5 (OHL Tower Construction): Detailed design of lattice tower foundations and structural interfaces; temporary works design for excavation and erection; conduct surveys and ground investigation; build tower foundations (piled or reinforced concrete); deliver, assemble and erect steelwork; install insulators and fittings; string conductors; remove/replace/modify existing towers; manage overhead line realignments; manage interfaces with live assets and system outages; structural testing and verification; produce as-built documentation", "Lot 6 (UGC Construction): Detailed design of cable routes, trenches, ducts and joint bays; temporary works and traffic management design; conduct surveys and utilities investigations; excavate and lay ducts; construct joint bays and termination compounds; pull and install cables; install joints and terminations; restore surfaces and reinstate agriculture; cable testing and commissioning support; produce as-built GIS data" ], "how_to_read": [ "This is a 'framework' not a one-off contract — it's a pre-agreed list of approved suppliers that SSEN Transmission will call off work from over up to 8 years. You're not bidding for specific work yet; you're bidding to be on the approved list. Once appointed, you'll compete for individual projects as they arise.", "The 'lots' are separate competitions — Lot 1 covers small civils work (under £10m), Lot 2 covers large complex civils (over £10m), Lot 3 is buildings, Lot 4 is pole towers, Lot 5 is lattice towers, and Lot 6 is underground cables. You can bid for one lot or multiple lots depending on your capability. Lot 1 is also split into 5 regions so you can apply regionally.", "The £7.4 billion figure is the total potential value across ALL lots over the full 8 years — it's not what you'll earn. Real value will depend on which lot(s) you win and what projects get called