Case Studies

Services & Workshops
Promec Enginnering Workshops:
8000 Sq. Ft. Fabrication Facility
6 Tonne single lift Gantry Crane
Calibrated Machinery
Local Exhaust Ventilation
Capacity to form, roll and sheet cut steels & pipe sections
2 Double doors Full Height Goods In / Out
Controlled Electrode & Consumable Stores





Services
Civil Engineering
Deep excavations
Confined space working
Ground surveys
General groundworks
Mechanical Engineering
Coded welding
Pressure testing
General fabrication
Cathodic Protection
Surveying
Design
Installation
E & I Services
In partnership with our approved E&I company
Design, Drawings & Surveys
Blasting, Painting & Coatings
CDM Principal Contractor Role
Project Management
Sectors
Gas
National Grid
Northern Gas Neworks
Cadent
Wales & West
Oil
Bristish Pipelines Agnecy
Oil Pipelines Agency
CLH
Exxon Mobil
Water
Thames water
Bristol water
Wessex water
Power
SPL
EDF

Exxon Mobil - Pipe Diversion – 1 kilometer of 150NS / 200NS Pipe

Key Facts:
Diversion of existing pipework to allow new roads and infastructure.
Field Fabrication, Welding and Testing of a Carbon Steel line carrying Hydrocarbons.
Duration: 19 Weeks
Location: Bristol

Fence erected adjacent to reen and spread prepared

Pipe supports and
route marked out

Pipe strung and
positioned

Field fabrication and welding


Welding shelter and forced air

Trench Prepared



Lower & lay of pipeline

Lower & lay of pipeline


Northern Gas Networks – HP, MP & LP 450/500mm Gas Diversion

Key Facts:
Diversion of HP, MP & LP Steel & PE Lines
Duration: 42 Weeks
Location: Newcastle

Existing steel & PE
pipes exposed

New & existing routes of pipework

New PE and steel pipe
installation

Welding shelter &
forced air

Existing line identified

Lower and lay of pipeline


New installation of PE and steel 450/500mm lines


Embankment works

Squeeze off connections

Area backfilled and
reinstatement

Northern Gas Networks – Saltwick AGI, Mechanical, Civil, E&I Upgrade

Key Facts:
Site meter stream, Mech, Civil & E&I Upgrade
Duration: 37 Weeks
Location: Saltwick

Preparation for new cable ducts and draw boxes

New kiosk base slab –
Rebar and shuttering

Wind & water line preparation



Excavation, P9 works & preparation for Hot Tap procedure


New bypass pipework, installed
in preparation to be buried & backfilled.

Complete with new support &
concrete pads.



Existing pipework blasted & painted with new flange protectors

Cable duct draw pits with new covers

Wind & water lines completed, new surrounds and backfilled




British Pipeline Agency – New UK Central Operations Control Centre

Key Facts:
New Retaining Wall, Electrical Ducts and Slab for UK Control Centre
Duration 24 Weeks
Location - Kingsbury

View prior to construction work

Commencement of excavations


Completion of phase 1 excavation


Commencement of retaining wall build

Installation of cable duct



Retaining wall complete


Re-bar installation


Concrete pour works



Completion of pour

Buidling sited and new security fencing installed.

Rear view of retaining wall with new handrails positioned on top blocks. Back filled with stone and chippings.

Oil Pipelines Agency- Tank Feed Pipework

Key Facts:
Site survey to measure and produce drawings to fabricate, test and installation of new feed and return pipework for JetA1 fuel hydrocarbons.
Existing pipework was removed and transported off site during a planned outage.
Valves, NRV’s and new site glass systems were installed with volume detection.
Duration: 7 Weeks
Location: Hallen

New concrete bases were set within the side of the embankment to allow for the new pipe sections to be installed.


New pipework had to run adjacent to the steps. These were supported on each section with a bespoke fabricated bracket.


Final fire prior to paint touch up.

SPL – 1,140 MW Gas-Fired Power Station - Module Link Bridge – Design & Build

Key Facts:
Requirement for a link bridge between two modules
Duration: 8 weeks from design to completion
Location: Bristol

Area with no link bridge or access

New link bridge & access

During Construction

During Construction

Installation Complete

Installation Complete




New access ladder with landing & safety gate

Access landing &
gate No 1

Access landing &
gate No 2