Tidworth Southern Water
Tidworth WwWT - Veolia
Tidworth WwWT - Veolia
Tidworth Waste Water
Tidworth Waste Water
- Detailed ground investigation surveys to inform design solution & temporary works.
- Extensive stabilisation works to the existing 20m long, 4m high embankment adjacent to the settlement tanks. Achieved through construction of a new in-situ RC retaining wall and reprofiling the embankment to ensure additional loads from the new MCC & parking above were accommodated.
Works included all temporary works to form wall, including falsework & the formwork, angled propping & proprietary access platforms for pouring.
All managed in house through temporary works checking engineers and permit systems in place ahead of pours and striking.
- Design and construction of a new 10m x 5m 450mm thick reinforced concrete base to site the new MCC, located at the top of the reprofiled embankment & access steps & footpaths from the works to the MCC. This included all necessary temporary works such as formwork and falsework.
- Formation of new parking area above the embankment to suit position of the new MCC, including excavation, formation & installation of grasscrete & new kerbs.
- Off-site fabrication, lifting & installation of a 9m long MCC kiosk, including all associated assembly, bolting & grouting. Included crane lift, managed through in-house crane coordinator under CDM including crane sizing, location and outrigger spreaders (mats & sleepers)
- Design, off-site fabrication & installation of a new access walkway platform c/w davit socket to the FST recycle pumps for maintenance access. Bolting to existing tank walls required structural surveys to ascertain structural stability, with localised improvements using waterproof concrete & temporary works (propping/shuttering).
- Site-wide trenching of 150m cable ducts & associated prefabricated access chambers.
As Principal Contractor we were responsible for administering works in accordance with CDM2015. We developed & administered a CPH&S Plan, encompassing and EMP under our OHSAS:18001 & ISO:14001 accreditations.
We led the pre-start design & risk workshops, taking on the role of Principal Designer under CDM, ensuring that design solutions considered H&S in construction, use by Veolia & future removal of the asset. All works were by direct labour under our own RAMS.
We led liaison with Veolia site operators of the main STW, & worked in accordance with their needs, particularly during changeover of power to mitigate impact on compliance.
We managed shared access routes through a robust delivery strategy with site operations to maintain use of the facility safely.
- Installation of 7 no. inspection chambers along the trench route to assist with cable pulling & for future maintenance. Prefabricated chambers & brickwork construction to typical depths of 1.2m.
- Ground investigation and temporary works design for trenching, with trench boxes used for the majority of the works.
- Design & construct 220m trenching & duct work, with future provision, to install new cables to meet the controls philosophy.
- Design & construction of a new concrete base, lifting arm & support system to support floats & allow future maintenance
- Clearance & disposal of 15-tonnes of contaminated waste liner sheet previously removed from the lagoons by others.
Latest News
HANEVO have been awarded the full internal and external refurbishment of the Grade II Listed Heywood House Building for ACS International School in Cobham, Surrey.
Hanevo are in the planning and procurement stage on the recently awarded project ‘Bridport Blowers’.
Works are nearing completion on the ‘Dosing Tanks Replacement’ projects at Westbury and Thingley.
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WHERE TO FIND US
UK Office:
6-7 Delta Park, Wilsom RoadAlton, HampshireGU34 2RQ
Irish Office:Glenhouse, Main Street, Charleville, County Cork, P56 YT59
CONTACT
01420 277 987info@hanevo.com
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