HV and substation drafting bureau
Electrical drawings that carry the design intent clearly.
Substation Drafting prepares single line diagrams, protection schematics and switchroom general arrangements from engineer markups and project inputs. Native drawing files, source notes and revision records stay ready for your team's review.
What comes back
Substation SLDs structured for technical review
Protection and control schematics from approved inputs
Switchroom GAs with open items made visible
Services
Defined outputs for a live bid
Each engagement starts with the documents you have and ends with a reviewable deliverable.
Substation single line diagrams
Drafting and revision of substation SLDs from engineer markups, equipment schedules and approved design inputs.
View service →02Protection and control schematics
Draft protection, trip, close, indication and interlocking circuits from approved logic and device schedules.
View service →03Switchroom general arrangements
Draft switchroom and equipment GAs from approved equipment data, site constraints and engineer markups.
View service →Illustrative example
A deliverable that can be checked line by line
This synthetic extract shows the structure. It does not represent a client, project or result.
| Requirement | Source | Action |
|---|---|---|
| Bus section arrangement | Engineer markup M-01 | Drafted for review |
| Feeder protection block | Relay schedule R-02 | Device tag check open |
| Panel access zone | Layout brief L-01 | Dimension confirmation required |
Method
Draft from controlled inputs, then review every revision
Receive the design basis
Register the markups, equipment data, drawing standard and current revision set.
Draft the drawing set
Build the SLD, schematics or GA with open decisions shown as review items.
Check and hand over
A human drafter checks the files. Engineering approval stays with the registered engineer on the job.
Field notes and tools
Useful before the bid closes
What should a substation drawing package contain?
A source-controlled structure for HV substation drawing sets.
guideHow should a protection and control schematic be checked?
A review sequence for substation protection, trip and control schematics.
guideWhat should a substation general arrangement show?
A practical review structure for substation plans and elevations.
guideHow should as-built substation drawings be updated?
A controlled method for updating HV drawings after construction changes.
guideHow should HV drawing revisions be controlled?
Revision and issue controls for substation drawing production.
toolFree substation drawing issue checklist
Check an HV drawing set before engineering review.
Project enquiry
Tell us what is in the tender pack
Share the job type, bid stage, deliverables and closing date. A person reviews every enquiry.