Process plant industry


Water & Wastewater Treatment plants.

We use our wealth of experience gained over more than 30 years in the Water & Waste Water Treatment (WwTW) industry to deliver solutions that sharpen our customer's edge and increase their capabilities.


We offer the following integrated drawing & design services:

  • Access platforms, stairs & ladder drawings
  • Lifting gantry drawings
  • Lifting strategy drawings
  • Pipework layouts
  • Process plant General Arrangement drawings
  • Pumping station GA drawings
  • Process & instrumentation (P & I D) drawings
  • Rotating half bridge scraper drawings for WwTW primary & secondary settlement tanks
  • Fixed bridge scraper drawings
  • Scraper geared motor Power & torque calculations
  • Assistance with CE technical files

After we produce the intelligent 3-D model we can provide the following:

  • Electronic copies of 3-D models for visualisation by Consultant Engineers & main clients
  • General arrangement & 3-D drawings (In AutoCAD & PDF formats)
  • Fabrication / workshop drawings
  • Materials, bolts & loading lists
  • Files for CNC machinery (Saw/drill lines and laser/plasma profile cutting machines)
  • Un-folded plate development drawings


To email your enquiry, click here


Other areas of drawing & detailing expertise include:

  • Recycling plant conveyor access steelwork
  • Petro chemical plant access stairs walkways
  • Pharmaceutical plant steelwork & equipment
  • Meat and food processing plant equipment

Contact us

McWall Drawing & Design Ltd
78 Carrickasticken Road


Co. Down

BT35 9RL


Tel: +44 28 30 888 184

Email: Click here


Alternatively use our contact form.

Areas of Drawing expertise:


Process Industry

  • Water treatment plant steelwork & equipment 
  • Cement & Power plants
  • Meat & Food processing plants
  • Petro Chemical plants
  • Platforms, Walkways & handrail
  • Stairs & ladders


  • Materials Handling equipment
  • Recycling machinery
  • Agricultural machinery
  • Prototypes & inventions

Architectural steelwork

  • Feature Stairs
  • Hand railing
  • Balustrades & balconies
  • Canopies


  • Steel structures/supports
  • Mezzanine floors
  • Access stairs, ladders & platforms
  • Bridges


Inventions & prototypes

  • Prototype drawings
  • Part drawings
  • Patent application drawings
  • Assistance with the patent process
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