Mechanical / Piping Draughtsman for water and wastewater treatment plant drawing production Ended

About the job

**Job Description: Mechanical / Piping Draughtsman — Water & Wastewater Treatment Plants**

SewTreat requires an experienced mechanical / piping draughtsman to assist with urgent project drawing production for water and wastewater treatment plant projects.

The draughtsman will be responsible for preparing 2D and 3D drawings from P&IDs, equipment layouts, site information, mark-ups, photos and standard SewTreat component libraries. Drawings will include general arrangement drawings, plant layouts, civil interface drawings, isometric views, sections, piping layouts, tank and equipment positioning, pump and filter arrangements, support steel, cable tray and pipe support details.

The role must include the preparation of accurate Bills of Materials / parts lists, including pipes, fittings, valves, pumps, tanks, supports, clamps, strut, cable trays, mechanical equipment and other installation components. BOMs must be clear enough for procurement, fabrication and site installation purposes.

**Key responsibilities:**

* Produce project drawings in Autodesk Inventor and/or AutoCAD in line with SewTreat standards and templates.
* Prepare plant general arrangements, civil layouts, isometric views, plan views, sections and detailed mechanical / piping drawings.
* Develop and update 3D models, assemblies and drawing sheets.
* Generate accurate BOMs / parts lists from drawings and models.
* Work from P&IDs, process layouts, equipment datasheets, mark-ups, site photos and s... read more
**Job Description: Mechanical / Piping Draughtsman — Water & Wastewater Treatment Plants**

SewTreat requires an experienced mechanical / piping draughtsman to assist with urgent project drawing production for water and wastewater treatment plant projects.

The draughtsman will be responsible for preparing 2D and 3D drawings from P&IDs, equipment layouts, site information, mark-ups, photos and standard SewTreat component libraries. Drawings will include general arrangement drawings, plant layouts, civil interface drawings, isometric views, sections, piping layouts, tank and equipment positioning, pump and filter arrangements, support steel, cable tray and pipe support details.

The role must include the preparation of accurate Bills of Materials / parts lists, including pipes, fittings, valves, pumps, tanks, supports, clamps, strut, cable trays, mechanical equipment and other installation components. BOMs must be clear enough for procurement, fabrication and site installation purposes.

**Key responsibilities:**

* Produce project drawings in Autodesk Inventor and/or AutoCAD in line with SewTreat standards and templates.
* Prepare plant general arrangements, civil layouts, isometric views, plan views, sections and detailed mechanical / piping drawings.
* Develop and update 3D models, assemblies and drawing sheets.
* Generate accurate BOMs / parts lists from drawings and models.
* Work from P&IDs, process layouts, equipment datasheets, mark-ups, site photos and standard libraries.
* Check dimensions, pipe routes, equipment clearances, access requirements and installation practicality.
* Update drawings from approval stage to construction issue and as-built status.
* Maintain drawing numbering, revision control and drawing registers.
* Coordinate with engineers, project managers, procurement and site teams.

**Required experience:**

* Strong experience in mechanical, piping or plant draughting.
* Experience with water treatment, wastewater treatment, pump stations, filtration systems, tanks, RO/UF plants, skids or industrial plant rooms will be a major advantage.
* Proficient in Autodesk Inventor. AutoCAD experience is also required.
* Ability to produce fabrication-ready and construction-ready drawings.
* Ability to compile accurate BOMs for procurement and installation.
* Good understanding of pipe fittings, valves, pumps, tanks, supports and mechanical installation details.
* Must be able to work quickly, accurately and independently under project deadlines.

**Deliverables:**

* Native Inventor models and assemblies.
* DWG and PDF drawing packs.
* General arrangement drawings.
* Piping and mechanical layouts.
* Isometric and sectional drawings.
* Civil interface / slab and equipment positioning drawings.
* BOM / parts list per drawing or per project.
* Updated construction and as-built drawing packs. read less
**Job Description: Mechanical / Piping Draughtsman — Water & Wastewater Treatment Plants**

SewTreat requires an experienced mechanical / piping draughtsman to assist with urgent project drawing production for water and wastewater treatment plant projects.

The draughtsman will be responsible for preparing 2D and 3D drawings from P&IDs, equipment layouts, site information, mark-ups, photos and... read more
**Job Description: Mechanical / Piping Draughtsman — Water & Wastewater Treatment Plants**

SewTreat requires an experienced mechanical / piping draughtsman to assist with urgent project drawing production for water and wastewater treatment plant projects.

The draughtsman will be responsible for preparing 2D and 3D drawings from P&IDs, equipment layouts, site information, mark-ups, photos and standard SewTreat component libraries. Drawings will include general arrangement drawings, plant layouts, civil interface drawings, isometric views, sections, piping layouts, tank and equipment positioning, pump and filter arrangements, support steel, cable tray and pipe support details.

The role must include the preparation of accurate Bills of Materials / parts lists, including pipes, fittings, valves, pumps, tanks, supports, clamps, strut, cable trays, mechanical equipment and other installation components. BOMs must be clear enough for procurement, fabrication and site installation purposes.

**Key responsibilities:**

* Produce project drawings in Autodesk Inventor and/or AutoCAD in line with SewTreat standards and templates.
* Prepare plant general arrangements, civil layouts, isometric views, plan views, sections and detailed mechanical / piping drawings.
* Develop and update 3D models, assemblies and drawing sheets.
* Generate accurate BOMs / parts lists from drawings and models.
* Work from P&IDs, process layouts, equipment datasheets, mark-ups, site photos and standard libraries.
* Check dimensions, pipe routes, equipment clearances, access requirements and installation practicality.
* Update drawings from approval stage to construction issue and as-built status.
* Maintain drawing numbering, revision control and drawing registers.
* Coordinate with engineers, project managers, procurement and site teams.

**Required experience:**

* Strong experience in mechanical, piping or plant draughting.
* Experience with water treatment, wastewater treatment, pump stations, filtration systems, tanks, RO/UF plants, skids or industrial plant rooms will be a major advantage.
* Proficient in Autodesk Inventor. AutoCAD experience is also required.
* Ability to produce fabrication-ready and construction-ready drawings.
* Ability to compile accurate BOMs for procurement and installation.
* Good understanding of pipe fittings, valves, pumps, tanks, supports and mechanical installation details.
* Must be able to work quickly, accurately and independently under project deadlines.

**Deliverables:**

* Native Inventor models and assemblies.
* DWG and PDF drawing packs.
* General arrangement drawings.
* Piping and mechanical layouts.
* Isometric and sectional drawings.
* Civil interface / slab and equipment positioning drawings.
* BOM / parts list per drawing or per project.
* Updated construction and as-built drawing packs. read less
ST0906-00-01 Barbara Road 80KLPD Rev0.pdf pdf Jun 10, 2026
ST0910-00-01 - MAHIKENG 30KLPD REV00.pdf pdf Jun 10, 2026
ST0873-Ngqamakhwe Mall COMBINED (2026-02-20).pdf pdf Jun 10, 2026

Things to know

Job location

Remote

Work location

Job skill level

Intermediate

Skill Level

Job rate

Open budget

Fixed-rate

Job type

Part-time

Job type

Job length

1-3 months

Job duration

Areas of expertise

3D Design Services 3D Design and Modeling 3D Models AutoCAD Inventor Professional +1 more

Job categories

Mechanical Design Services AutoCAD Drafting & Design Civil Drafting Services Mechanical Drafting +1 more

About the client

Payment not ready

South Africa (10:06 pm)

Posted

Active

Job activity

41 Applicants

0 interviews in progress

4 unanswered invites

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