Area No: B302
Area description: Rig area Husebyjordet
Work description: Rig area Husebyjordet is the main rig area for the contract work. The work consists of, but is not limited to the following:
— restructuring of existing pedestrian and bicycle paths,
— construction of new exit road to Sørkedalsveien, with lighting control and new turning lanes,
— construction of infrastructure for potable water, sewage, surface water and power supply,
— excavation and blasting of access tunnel cut-outs,
— construction of the access tunnel portal,
— filling rig area with load-bearing masses,
— preparation for tunnel operation with construction of waste water treatment plant, cleaning station, installation of grid station, etc.,
— conversion of 47 kV overhead line to cable in trench, including design and construction of new composite end mast and remediation of existing masts and cables,
— transfer of power supply from the Røa switching station.
Area No: B303
Area description: Rig area Huseby skipark
Work description: access to the rig area is via Statnett's rig area next to Smestad recycling station. The contractor must expect coordination with Statnett for access. The work consists of, but is not limited to the following:
— construction of infrastructure for potable water, sewage, surface water and power supply,
— excavation and blasting of access tunnel cut-outs,
— construction of the access tunnel portal,
— filling rig area with load-bearing masses,
— preparation for tunnel operation with construction of waste water treatment plant, cleaning station, installation of grid station, etc.,
— design and construction of temporary sewer pipe for attachment to the VEAS facility in Hoffsveien
Area No: B304
Area description: Rig area Sollerud
Work description: a smaller rig area shall be established at Sollerud. The work consists of, but is not limited to the following:
— construction of infrastructure for potable water, sewage, surface water and power supply,
— filling rig area with quality rock masses,
— preparation for tunnel operation with construction of waste water treatment plant, cleaning station, installation of grid station, etc.,
— blasting of new rock cavern for odor reduction system and casting of ground floor in cavern,
— design, procurement and installation of tunnel canvas in the rock cavern for new odor reduction system,
— design, procurement, construction, testing and commissioning of new odor reduction system,
— demolition of existing bio filter odor reduction system, with associated technical support systems,
— design and construction of reinforcing existing culverts for construction traffic,
— design and construction of stairs and handrails.
Area No: C101
Area description: Tunnels Husebyjordet
Area No: C102
Area description: Tunnels Huseby skipark
Work description C101 and C102: Tunnels Husebyjordet consist mainly of drilling, blasting and excavation of tunnels from portal at rig area B302. Tunnels Huseby ski facility consists mainly of drilling, blasting and excavation of tunnels from portal at Rig Area B303. The work consists of, but is not limited to the following:
— work in front of tunnel face (pre-injection),
— blasting works,
— uploading and transporting blasted rock, including interim storage in tunnel,
— stability measures,
— re-injection if required,
— water and frost protection,
— installation of OPI ducts, water and sewage installations and work on permanent roadways.
See part VI.3 Tilleggsinformasjon for the rest of the information on the scope of work under the contract.