The main activities carried out this month of April on site include the following.
The walls and sloped concrete flooring of Silos 12, 15 and 16 have been completed, with work on the foundations for belts conveyors & towers continued. The scaffolding of Silo 5 was completed this month.
Works have been continuing on the steel structure of the Turbine Building with the completion of the slab and installation of the overhead crane. Preassembly of the Boiler pressure parts has been started, with steel structure installation continued with the installation of pressure parts of the furnace ongoing.
Separators 2 and 3 and cross over ducts were lifted in the Boiler this month – with steel works ongoing in Tier 2 and 3 with grating and handrails being installed in Tiers 1 and 2.
The basement concrete works in the Electrical Building have now been completed. Precast concrete fabrication and installation has continued.
The Water Treatment Plant equipment installation has been progressing.
Work on the ACC has continued on streets 2 and 3 with the continued assembly of steam ducts and the start of the erection of tube bundles.
The Main and Auxiliary Transformer installation was continued.
Foundation works have begun on the Woodchip Dryer.
The Quay Area is being further prepared, with works on the foundations for the belt conveyor and Transfer Tower continued.
Works have been completed within the section outside of the Lackenby substation. Cable pulling operations from the main site to Lackenby Substation are now completed.
The main activities carried out this month of March on site include the following.
The walls and sloped concrete flooring of Silos 9, 13 and 14 have been completed, with the foundations for belts conveyors & towers started. Roof erection has continued on Solis 1 and 2 with a start on Silo 3. Work continues on Silos 12, 15 and 16.
Works have been continuing on the steel structure of the Turbine Building as with the Boiler. ACC erection has been progressing this month with a start on the assembly on the Steam Box and Ducts.
The first separator was lifted in the Boiler this month – with steel works ongoing in Tier 2 and 3 with grating and handrails being installed in Tiers 1 and 2.
The basement concrete works in the Electrical Building have now been completed. Precast concrete fabrication has continued with installation of these started.
The Water Treatment Plant equipment installation has been continuing.
The Main and Auxiliary Transformers and Shunt reactor have been positioned on their foundations, with the walls now complete.
Foundation works have begun on the Woodchip Dryer.
The Quay Area is being further prepared, with the demolishing of buildings on the Riverside completed. Foundations for the belt conveyor and Transfer Tower have been started.
Offsite works have included the completion of the foundation works at the Lackenby substation.
Works have also now started in the section outside of Lackenby Substation – as the final section of ducting required to link the route from the Main site to the Substation.
Joint bay 5 is complete with HV cable pulling progressing.
The wind snow and ice of this month led to what were at times challenging site conditions. The main activities carried out on site during the month were:
Work continued on the Silos with the completion of the walls and concrete sloped floor of Silos 10 & 11. Roof erection has now started on Silo 1.
As in January, steel structure works continued in the Turbine Building and Boiler. Further pressure part preassembly continued with pressure parts of the furnace started.
The Main and Auxiliary Transformer foundations are now completed, with works started on the walls.
The basement concrete works underway last month in the Electrical Building have as been completed this month. Activities have now progressed to the fabrication of the precast concrete structure.
The equipment installation in the Water Treatment Plant (WTP) continues this month as has the erection of the ACC.
Offsite works have included near completion of the foundations in the Lackenby Substation with continued progress in the completion of joint bays and cable pulling activities.
The main activities carried out this month of January on site include the following.
The walls and sloped concrete flooring of Silos 5 to 8 have been completed. The Vibrafloor in silos 1 to 4 has been completed with the erection of scaffolding for silo 1 and 2 continuing.
Works have been continuing on the steel structure of the Turbine Building as with the Boiler. The erection of pressure parts has begun this month. Some of these parts are pre-assembled prior to coming to site. ACC erection has also been progressing this month.
Foundations have been progressing for the Main and Auxiliary Transformers.
Works in the Electrical Building have now moved on to concrete requirements.
The Water Treatment Plant has been advancing with plant equipment now being installed.
Offsite works have included continued foundation works at the Lackenby substation. Cable pulling activities are also underway to connect the site to the Lackenby substation.
The boiler steam drum was lifted and placed on the final position this month – which was a significant lifting operation undertaken by APC.
The steel structure installation for WTP (Water Treatment Plant) has been completed by Hambleton.
Works have been progressing on the Steam Turbine Pedestal excavation with cropping completed on the east side. The foundations and slab of the Turbine building have also been completed.
Much progress has occurred with the Silos to include installation of precast elements, pouring of Stitches, backfilling and rebar installation and pouring of base slabs.
PHB have been continuing with the erection of the FHS (fuel handling system) and progressing with the Vibrafloor installation in Silos 1 to 4.
Work on the Electrical Building has included rebar installation, with excavation of the Main and Unit Transformer. Lean concrete has also been poured.
The foundations of the first half of the ACC is complete, with works ongoing to complete the second half. Steel structure erection has begun in the ACC area also.
Offsite activities have included:
Completion of the A66 and Network Rail HDD works. One of the pictures shows HDD activity under the Network Rail lines looking towards West Lackenby and the main site.
Mitsubishi have now mobilised at the NG Lackenby Substation.
Works on the 11kV route between the main site and West Lackenby.
November has seen further progress on Boiler Steel Structure installation, with pressure parts preassembly and Air ducts preassembly works.
The PA Silencer casing has been lifted in a temporary position and notably the Steam drum has arrived to site.
The Bottom Ash Silo plinth has been completed.
The steel structure of the water treatment plant (WTP) is now complete with works moving to the installation of the roof and wall cladding.
ST Pedestal suspended slab pouring and formwork removal has been completed this month with excavation and cropping progressing in the East Side ST area. The foundations of the Turbine building as well as the rebar installation and concrete pouring are progressing.
Work on the silos is also showing good progress with recast elements received for Silos 1 to 7 and installed in Silos 1 to 5. The deck slabs of Silos 2 and 3 have been poured. Silo 14 and Silo 15 walls have been poured, with the erection of the Vibrafloor in Silo 2 begun this month.
Excavation and cropping in fuel handling system (FHS) towers and Silos towers continues to progress.
In the ACC area, the excavations and foundation work is progressing well.
November has seen preparation works in West Lackenby for HDD works under the Network Rail line, with the HDD under the A66 progressing well.
Works on the Boiler continue to progress with Steel Structure installation. Work has started on the pressure parts and in Air ducts preassembly works. Civil works in Bag filter house has been completed this month. There has also been progress on the Bottom Ash Silo plinths.
Water Treatment Plant (WTP) Foundations and Plinths have been completed with works started on the Steel Structure installation.
ST Pedestal rebar installation for suspended slab has been completed. As has the pouring of concrete in the turbine hall.
October has seen much progress occurring on the Silos, with precast elements received from 1 to 4 and installed in Silo 1 and Silo 2.
Key completions have included backfilling and rebar installation as well as the pouring o deck slabs and the excavation and cropping in FHS towers and Silos towers.
Works have progressed on the Electrical Building and the ACC Foundation.
Underground works have continued on the site with excavation, pipe installation, backfilling and testing in Bag Filter area, as well as the Turbine building area and north within the Silos Area.
There has been much progress with regards to the HV Cable Works off site. Trench and duct excavation and installation are now completed between Broadway and Wilton Way. Preparation for the HDD pull pits in Tata Steel land has started with HDD under the A66 progressing. Works on Shakespeare Rd and Cresswell Road are also now complete.
On site, progress has been ongoing on the Turbine Building, Transformer and Substation area, Silos 1 to 4 area, Main Transfer Tower and Water Treatment Plant.
The main stack was completed over this period as was the excavation and pouring of all piles.
Works have continued on the boiler steel structure erection, with the walls of Silos 1-7 poured. Two of the foundations of the Turbine Hall are now complete.
Excavation work has included the completion of those required for the Water Treatment Plant where rebar installation has started. The excavation for the Electrical Building has also begun.
The trench and duct works for the 275 kV cable installation continues with a significant proportion of the route from the main site including in and around Grangetown complete.
Preparation works have begun for the Horizontal Directional Drill (HDD) works under the Network Rail line south east of the site. The HDD works are due to start in November following consent from Network Rail and consultation with adjacent stakeholders.
Foundations works on Silos 1 to 4 was substantially completed this month. Concrete pours were completed on Silos 5 and 6 and bag filter foundations.
Pile cropping activities progressed in Silos Area and excavation works commenced on the Air Cooled Condenser foundation. Ground work preparations for the Water Treatment plant was completed
The structural steel erection continued on tier 1 and commenced on tier 2 of the Boiler House Superstructure. The vent stack erection also commenced in August.
Around 1800m of 5200m of 275kV cable ducts have been completed, including Millennium Park in Grangetown.
The water and sewerage pipe installations have been completed with only the final connections to the mains to be completed.
The Boiler House foundation was backfilled and completed. The structural steel also commenced on tier 1 of the boiler house super structure. Civil foundations commenced on the steam turbine pedestal, flue gas fans and vent stack. Foundation rebar and formwork for the bag filter also commenced. Foundations, rebar and formwork also commenced on Silos 1 to 4.
4200 600mm x 18m deep Continuous Flight Auger piles have now been completed against a revised scope of 4600.
Trenching and cable duct installation for the 275kV cables commenced in No1 Quay Road, including trial digs in parts of Grangetown.
The West Lackenby workforce car park was commenced this month, which will provide car parking for up to 800 cars.
The second and third foundations were poured of the Boiler House – critical path activity. The rebar installation progressed on the turbine building foundation.
Piling progressed in the Silos Area of the site, where almost 4000 of the 4400 600mm x 18m deep Continuous Flight Auger piles have been cast – ahead of the planned schedule.
Trenching for the 275kV cables that will transfer power from the power station to the National Grid are substantially complete along the Tees Dock Road leading to the A66.
The Atlantic Project Company commenced mobilization of their site offices in June in readiness for mobilization of the workforce, planned later in July.
The site canteen facility became operational, which provides high quality meals for the workforce, which includes but is not limited to; parmo’s, foot long hot dogs, curries, chilies, bolognaise and a host of traditional English food known to popular on construction sites around the UK.
The first foundation was poured in the first section of the Boiler House – critical path activity. The rebar installation progressed substantially on the second section of the same foundation.
Blinding concrete was poured in the Silos Area of the site.
2700 of 4400 600mm x 18m deep Continuous Flight Auger piles have been cast, all in line with the planned schedule.
Trenching for the 275kV cables that will transfer power from the power station to the National Grid commenced along Tees Dock Rd in May.
Atlantic Projects Company were awarded the Boiler Erection contract at the end of May. Hambleton Steel were appointed the Steelwork contract for the Turbine, Water Treatment building and piperack at the end of May.
The main civil contractor Graham Construction mobilised to site in April and poured the blinding concrete in the boiler area within days of commencement on site.
Piling activities progressed in the turbine and silos area.
All Site Temporary Construction facilities including fit out of canteen and furniture in offices was completed in readiness for MGT and TR management to relocate early May.
Trial excavations were carried out by O’Connor Utilities at various locations along the 5km cable route, in preparation for the cable excavations commencing in May.
March continued to be a busy month on site – piling activity for the boiler area was completed which allowed pile cropping activities to commence.
Piling works commenced in the Bag Filter, Turbine Pedestal and Silo areas. A total of three piling rigs and two pre-drilling rigs now mobilised to site.
The workforce canteen and changing facilities were completed.
The 275kV cable installation contract was finalised and placed with O’Connor Utilities Ltd.
Activities commenced in an area local to site that will be used as a constriction material laydown area.
The Continuous Flight Auger piling activities are now well underway, with works commencing in the critical path boiler area and pile pre-drilling commenced later in February.
Site levelling works progressed along with the implementation of site construction roads.
The workforce canteen and changing rooms progressed well along with the MGT and TR offices too.
The contract for the 275kV cable installation negotiations were held.
The remainder of ground remediation activities were completed in February.
The piling contract was finalised with Bachy Soletanche.
The piling mats in the critical path boiler area were completed allowing the piling Contractor to mobilise and commence piling.
The construction period drainage ponds were completed to ensure the site would not flood during heavy period of rain.
Pre-excavation of the silos (wood pellet fuel storage) area commenced.
The canteen facility and drying room for the construction work force was completed in December along with the foundations for the MGT and TR Offcies.
Most of the remaining infrastructure from the previously occupied site have been removed along with remain waste grubbed material. The majority of the hydrocarbon contamination for remediation was completed.
A new car park was created for the increasing workforce and in readiness for the piling contract, due to placed in January.
Site levelling works, pre-excavations works and piling mats were executed in preparation for the piling works.
Remediation of the hydrocarbon contaminated ground commenced in November ensuring that no further hydrocarbon seepage into the water course.
Installation of the Temporary Construction Facilities for MGT, TR and the workforce also commenced in November, including a canteen facility that will provide good standard hot food for the work force from June 2017 onwards.
November also saw the completion of the building demolition activities and further removal of redundant infrastructure. Crushing and screening plant was brought on site to allow the demolished building material to be used for backfill.
Demolition of the offices and workshops commenced in October 2016 along with the ground vegetation and shrubbery grubbing. The site datum point was established to allow levelling works to commence.
Removal of underground and redundant utility infrastructure commenced along with the breakout of redundant concrete slabs and foundations.
TR mobilised to site at the beginning of September to manage early works activities in their role as Principal Contractor under the 2015 Construction Design and Management Regulations.
The site boundary fences were erected demarking TR’s area of control and responsibility.
Contracts were placed for demolition, remediation and site levelling activities.
Tecnicas Reunidas (TR) signed the EPC Contract on 12th August. Pre-work prior to the signing of the contract allowed TR to mobilise activities on site. Dunelm commenced geotechnical survey of the site. By the end of August Tolent Construction were mobilised to commence with early site works.
The top photo below shows the derelict offices associated with the previous owners operations.
The bottom photos show the site with grubland vegetation which is concealing buried infrstructure and contaminated land from the previous hydrocarbon storage operations.
Always ensure you access out of reach items from an appropriate platform, steps or ladders, footed when possible