Highways Specialist Supplier Framework

We are keen to seek feedback from the market on our plans to procure a Specialist Services Framework for Highways related services. The Lots we are planning to include are:
Lot 1 - Ground Investigation Services; estimated spend of £600k over 4 years
Lot 2 - Non-Destructive testing services for Street Lighting; estimated spend of £550k over 4 years
Lot 3 - Ecology services; estimated spend of £450k over 4 years.
These values are based on previous use and may change at tender stage.
Scope of Works:
Lot 1 - Ground Investigation Services; Including intrusive activities comprising excavation of trial trenches, excavation of hand dug inspection pits, handheld dynamic sampled boreholes and rotary coring. Geotechnical sampling, in-situ and laboratory testing, and the production of a factual report, with associated AGS file, will be required. Surveying of grid coordinates and ground levels to Ordnance Survey grid and datum, Traffic Management.
Lot 2 - Non-Destructive testing services for Street Lighting; An annual programme of Non Destructive Testing (NDT) and visual inspections of individual street lighting assets, that align with the advice found in The Institute of Lighting Professionals Technical Report 22- Managing a Vital Assets: Lighting Supports and The Institute of Lighting Professionals, Guidance Note 22, Asset Management Toolkit, Minor Structures (ATOMS).
Lot 3 - Ecology services. Ecological procedural method of working, Ecological Desktop screening, Habitat Regs Assessment Stage 1 (Screening), Ecological Clerk of Works, Construction Ecological Management Plan, Surveys: Bat emergence, Bat roost assessments, White clawed crayfish, Otters, Water voles, Reptile, Dormouse, Fish (Recue), Nesting Birds, Willow Tree, Crayfish eDNA sampling.
In the attachments are some questions we have selected that we hope can improve the tender process for all parties. A response isn't mandatory, but we would appreciate any input you can provide. The list is not exhaustive so please...