How are skate parks and youth recreation facilities built?

A skate facility is one of the most demanding concrete jobs in public works, because the surface is the product.

A slab for a car park can have a lip at a joint and nobody notices. The same lip on a transition is a hazard to somebody travelling across it at speed.

The surface is the specification

**Finish quality.** A hard, dense, smooth steel-trowelled finish, consistent across the whole facility. Variations in finish read as variations in grip, and a rider feels them immediately.

**Joints in the right places.** A joint in the middle of a transition is a defect. Joints are set out with the design so they fall where nothing is being ridden across at speed, and they are formed rather than cut where the geometry requires it.

**No lips, anywhere.** Between pours, at edges, at coping, at drainage. This is what makes the set-out and the pour sequence the critical path.

**Edge detail,** with steel coping on bowl edges and ledges fixed so it cannot work loose, because a loose coping is both a hazard and the fastest route to the concrete behind it breaking up.

The subgrade decides the life

Movement under the slab produces cracks in the surface, and a crack in a skate surface is not cosmetic.

So the preparation is a proportionately larger part of the job than it is elsewhere: tested subgrade, correct compaction, a specified base layer, and reinforcement designed for the geometry rather than a standard mesh. The general principles are in [concrete works on an occupied site](/answers/concrete-works-on-an-occupied-site), with a tighter tolerance.

On a reactive or filled site, a geotechnical assessment is the first activity rather than an optional one.

Drainage is part of the geometry

A bowl is a low point by definition, and water that collects in it closes the facility.

Which means the drainage is designed with the form: falls across flat areas, outlets at the base of bowls connected to the stormwater system, and grates that sit absolutely flush because a proud grate in a riding surface is a hazard.

That connects to the site-wide drainage work in [stormwater and drainage on live sites](/answers/stormwater-and-drainage-on-live-sites), and on a constrained site the discharge point frequently decides where the facility can go.

Building it with the park open

The facility itself has to be fully closed, with no access at all, for the whole construction and curing period.

Which is harder than it sounds on a youth facility, because the users are motivated to get in and a partially cured surface is both damaged by use and dangerous. So the exclusion is a solid hoarding rather than a temporary fence, with the controls in [site establishment, hoarding and fencing](/answers/site-establishment-hoarding-and-fencing).

The rest of the park stays open where it can, staged as in [how do you keep a public park or facility open during construction](/answers/how-do-you-keep-a-public-park-or-facility-open-during-construction).

Curing cannot be compressed. A surface opened early is a surface that will need repair, and the programme states the curing period as a fixed duration rather than a target.

The elements around it

A skate facility that gets used well has more than the concrete.

**Lighting,** which extends the usable hours and improves safety and surveillance. Designed with the facility, with poles positioned outside the riding area and spill controlled toward any nearby residences, as in [sports field floodlighting](/answers/sports-field-floodlighting).

**Shade and seating,** because a facility with nowhere to sit or stand is used for shorter periods and by fewer people. The furniture requirements are in [barbecues, picnic settings and park furniture](/answers/bbq-picnic-and-park-furniture).

**Sightlines,** so the facility is visible from a road or a path. A facility screened from view attracts the behaviour that gets facilities closed.

**A drinking water station,** as covered in [drinking water stations and bubblers](/answers/drinking-water-stations-and-bubblers).

**Accessible paths to and around it,** so spectators and users who are not riding can get there, per [pathways and accessible routes across a site](/answers/pathways-and-accessible-routes-across-a-site).

Community consultation shapes the build

Youth facilities attract more consultation than almost any other park element, and the outcome of it frequently changes the location, the hours, the lighting and the screening.

Which means the consultation outcomes are an input to the construction scope rather than a separate process, and late changes arising from it are handled through [how variations are managed](/answers/how-variations-are-managed).