The most expensive scaffold we ever quoted was one that never went up. A restoration contractor in New Westminster had already priced the job off a drawing set, signed the strata, and booked his envelope crew for a Monday. The walk took forty minutes. The building’s east face sat two feet off a property line that belonged to the neighbouring parkade, and nobody had asked the parkade owner anything. That is what scaffolding consulting is for, and it is why the site review comes before the number, not after it.
Most GCs and project managers think of a site review as the sales visit. Somebody shows up, counts elevations, and emails a price. On a simple job that is roughly true. On commercial and high-rise work in Metro Vancouver it is not, and treating scaffolding consulting as a formality is where access budgets quietly break.
Here is what the review actually covers, and what you should have ready before anyone walks the site.
The review is a load path question, not a square-footage question
A scaffold is a temporary structure. It carries its own weight, the weight of every worker and material on it, and whatever the wind does to it once you hang mesh or wrap on the outside. All of that has to land somewhere and be held somewhere. Everything else on the review is downstream of those two questions.
So the first thing anyone doing scaffolding consulting looks at is the ground.
Not the elevation. The ground. Is it slab, compacted gravel, soft fill, a landscaped bed over a membrane, a sidewalk, or the roof of an underground parkade? Parkade decks are the one that catches people out on Burnaby and Coquitlam tower sites. The deck may be perfectly sound for cars and completely wrong for concentrated point loads under scaffold standards, and finding that out during erection means stopping to spread load with mudsills and timber, or pulling the design apart entirely.
Then the building face. Scaffolds above a modest height need ties, and ties need something real to grab. Cast-in-place concrete gives you options. Brick veneer, EIFS, and rainscreen cladding give you fewer, and on a restoration job the cladding is often the thing coming off, which means the tie schedule has to survive the demolition sequence. A review that does not ask "what is still here in week four" produces a tie plan that stops working the moment the envelope crew starts.
What gets walked, measured and photographed
The walk itself is unglamorous. Tape, laser, camera, notebook.
Elevations and geometry. Heights at each face, setbacks, balcony projections, canopies, bay windows, roof overhangs. Anything that pushes the scaffold in or out changes the bay layout and the bracing.
Obstructions. Overhead power is the one that reorders a whole schedule. BC Hydro limits of approach around energized conductors are not negotiable, and if a scaffold or any part of the erection process comes inside them, you are into utility coordination with lead time measured in weeks, not days. Trees, light standards, gas meters, hydrants and vent terminations all move bays around too.
The ground plan. Where trucks unload, where material stages, where the scaffold footprint touches sidewalks or lanes. In Vancouver, Surrey and New Westminster, anything crossing the property line into public right-of-way pulls in a street occupancy or hoarding permit, and those have their own drawing requirements and their own queue.
Occupancy. Who is in the building while the work happens. Residents, patients, students, staff. That single fact drives pedestrian protection, covered walkways, dust and noise mitigation, signage, and sometimes the whole erection sequence, because you cannot block a fire exit or an accessible entrance for the convenience of the scaffold.
Egress and life safety. Exits, exit discharge paths, standpipe and FDC connections, fire lanes. On occupied buildings this gets reviewed with the property manager and, on institutional work, with the facility’s own safety group.
The trades who come after. This is the part most often skipped, and it costs the most. A scaffold built for a painter is not a scaffold built for a masonry crew hauling stone. Deck width, load rating, hoist arm placement, chute openings and hop-up brackets all depend on knowing who works off the structure and what they carry up. Decide that at the review and it is a design input. Decide it in week three and it is a change order.
Where the engineer enters
Not every scaffold needs stamped drawings. Standard configurations from a manufacturer, built inside the manufacturer’s published limits by qualified workers, generally do not. Past those limits, and past the height and load thresholds set out in Part 13 of the WorkSafeBC OHS Regulation, you are into engineered design, and the review is where that gets flagged.
Practically, the triggers we see most are height, wrap, and anything non-standard. Shrink wrap turns an open scaffold into a sail, which changes the wind load and usually the tie schedule. Cantilevers, bridged spans over an entrance, suspended sections, heavy material storage on deck, and hoist or chute integration all tend to need design work rather than a catalogue configuration.
Catching that on day one matters because engineering has lead time. Catching it on day one of erection means the crew stands down. We wrote a fuller walkthrough of that in when scaffolding engineering in BC needs stamped drawings, and the short version is that design-first is almost always cheaper than design-during.
CSA Z797, the code of practice for access scaffold, sits alongside the regulation as the reference for erection and use practice. Anyone doing serious scaffolding consulting in BC should be working to both, and should be able to tell you which one a given requirement comes from.
What to have ready before the walk
You will get a faster and much more accurate turnaround if the following exists when the reviewer shows up:
- Drawings. Architectural elevations at minimum. Structural is better, especially if ties are going into anything other than plain concrete.
- Scope and sequence. What work happens off the scaffold, in what order, and which faces are needed when. Phased access is often cheaper than wrapping the whole building at once, but only if someone knows the phasing.
- Duration. Realistic weeks on site, not optimistic weeks. Duration drives cost more than almost anything else in access.
- Site constraints. Lay-down area, gate hours, noise windows, elevator use, parking, whether the site is fenced.
- Owner and neighbour context. Strata council timelines, adjacent property agreements, tenant notice requirements.
- A named contact. One person who can answer questions during design without a committee.
Half of that list is usually available. The other half is where the follow-up questions come from, and every unanswered question widens the assumptions in the quote. A number built on six assumptions is a number that moves.
What comes back, and when
For most commercial jobs in the Lower Mainland, our estimate lands back within one to three business days of the walk. Complex work with engineered elements takes longer, and we say so at the walk rather than letting it drift.
What arrives should be more than a price. A useful scaffolding consulting output names the scaffold type and configuration, the phasing, what the deck is rated for, what is included on ties and edge protection, what the erection and dismantle windows look like, and what is explicitly excluded. Exclusions are the honest part of a quote. Permits, traffic control, engineering fees, after-hours work and standby time are the usual ones, and a quote that never mentions them is not cheaper, only vaguer.
Timelines on all of it are subject to site assessment. Anyone quoting a mobilization date before seeing the ground is quoting a hope.
Where projects lose the money
Three patterns, in order of how much they cost.
Access designed too late. The scaffold is priced after the envelope scope is locked and the schedule is committed, so every constraint the review would have found becomes a change instead of a decision.
The wrong structure for the trades. A scaffold rated for light duty carrying heavy material means partial dismantle and rebuild, mid-project, with the trades standing around.
Nobody owning the whole scope. Yards that only drop equipment on site leave the erection, the inspection regime, the tie design and the dismantle as somebody else’s problem, usually the GC’s. Turnkey means one contract covers design, erection, ongoing inspection and removal, and one phone number is responsible when something changes. On occupied buildings, hospitals and city halls that single point of responsibility is worth more than a line-item saving.
The trust part
A&K Scaffolding works to Part 13 of the WorkSafeBC OHS Regulation and to CSA standards on every commercial and high-rise job we take, from Delta and Richmond through Surrey, Burnaby, Coquitlam, Langley, Maple Ridge and New Westminster. Scaffolds are erected by qualified workers, tagged, and inspected on the required schedule. We carry full insurance, and we will tell you at the site review if a scope needs engineered drawings rather than discovering it later.
We do not name a mobilization date before we have walked the ground. What we do commit to is coming back with a real number, typically within one to three business days.
Book the walk before you price the job
If access is on your critical path and you have not had anyone walk the site yet, that is the cheapest hour of the project. Request an estimate with your drawings and rough duration attached, or call (778) 375-5349 and we will arrange a site review. You can also see the full scope we cover, including shoring, shrink wrap, hoists and debris chutes, on our services page.
Frequently asked questions
What does a scaffolding site review check first?
The ground and the building face. The reviewer looks at what the scaffold stands on, whether that is slab, compacted gravel, soft fill, a sidewalk or a parkade roof, and what the ties can grab. Parkade decks catch people out on Burnaby and Coquitlam tower sites, because a deck that is sound for cars can be wrong for concentrated point loads under scaffold standards.
When does a scaffold need stamped engineering drawings?
Not every scaffold does. Standard manufacturer configurations built inside published limits by qualified workers generally don’t. Past those limits, and past the height and load thresholds in Part 13 of the WorkSafeBC OHS Regulation, the job moves into engineered design. The triggers seen most are height, shrink wrap and anything non-standard: cantilevers, bridged spans, suspended sections, heavy material storage on deck, hoist or chute integration.
What should I have ready before the site walk?
Architectural elevations at minimum, plus structural drawings if ties go into anything other than plain concrete. Add the scope and sequence of work, a realistic duration in weeks, site constraints like lay-down area, gate hours and noise windows, strata or neighbour context, and one named contact who can answer design questions. Every unanswered question widens the assumptions in the quote.
How long does an estimate take after the walk?
For most commercial jobs in the Lower Mainland, the estimate comes back within one to three business days of the walk. Complex work with engineered elements takes longer, and that gets said at the walk. A useful estimate names the scaffold type, the phasing, the deck rating, ties and edge protection, erection and dismantle windows, and what is explicitly excluded.
