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Townhouse layout with SP30 and Nano, Milton

Construction layout in Milton: sidewalks, curbs, park grading and rear yards, staked with a Spherefix Nano rover off an SP30SE base through a long day.

MiltonLocation
SP30SE base, Nano and SP30 roversEquipment
7 mm S · 1 mm WResultOffset to the design point on the stakeout screen, fixed. The receiver's estimate, not a check against control.
Spherefix SP30 in hand, SP30SE base on a hydrant mount and a Spherefix Nano rover on a pole, Milton

The objective

Layout across a townhouse subdivision in Milton: sidewalks and curbs, the park grading, and the layout at the back of the houses. A very long day on the pole.

Setup

An SP30SE base sat on a hydrant mount. For the layout we used the Spherefix Nano as a lightweight alternative to the SP30 rover, staking from the CAD on the Spherefix data collector off the same SP30SE base.

The Nano is a sixth of the SP30’s weight. Carried all day, that is the difference you feel by the last point.

  • SP30SE
    Base, on the hydrant mount
  • Spherefix Nano
    Lightweight rover
  • SP30
    Rover
  • CAD on the controller
    Stakeout source

What it produced

Sidewalks, curbs, park grading and rear-yard points laid out from the drawings, with a light rover through a long day. On the stakeout screen, a point sat 7 mm south and 1 mm west of design, on a fixed solution.

Spherefix controller stakeout screen showing 7 mm south and 1 mm west of the point
Stakeout: 7 mm south, 1 mm west.
Spherefix Nano rover held over a manhole on a new subdivision road, Milton
Nano rover on the subdivision road.
Spherefix Nano rover staking a point beside new townhouses
Nano rover at the back of the houses.
GNSS receiver on a tripod in a laneway between new townhouse blocks
Setup between the blocks.
Spherefix SP30SE base on a hydrant mount with a green pole, Milton
SP30SE base on the hydrant mount.
Rover laid beside new curb work with marking stakes, Milton
Curb layout.
Controller on the rover pole, stakeout screen over a manhole lid
Stakeout on the controller.

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