Ground Fixed Cavatina
Installation Instructions

1. Attach the steel legs to the base of the instrument with the M8 NylocNuts and 2 part security caps. (1.1) (See Assembly Guide)
2. Attach Ground Fixing posts to legs(1.2) (See Ground Fix Post Installation Sheet)
3. Excavate 1 hole for the Steel legs 250mm diameter by 600-750mm deep depending on Key stage, in desired location upon decision from customer.
4. Locate (lower) leg into holes making sure they are vertical and level prior to concreting in place.
5. Once happy with location of the Instrument, fill holes using rapid hardening concrete. Be sure to compact concrete around legs and leave to dry according to manufacturers guidelines.
6. Attach the 1 pair of beater to the saddle strap on the leg. (1.3)

Instrument Components:

M8 Nyloc Nut x4
M6x20 Security Screw x2
2 Part Cover Cap x4
M6 Saddle Strap x1
Pair Small Red Beaters x1

Ground Fix Components:

M10x200 Bolt x2
M10 Nut x4
M10 Barrel Nut x1
M10x70 Security Screw x1

Assembly Guide: Components List

2 Part Cover Cap X4
M8 Nyloc nut X4
M10 Nut X4
M10x200 Threaded Bar X2
Saddle Strap X1
M6x20 Pin torx X2

TX30 Driver Bit x1
TX40 Driver Bit x1

1. Insert M10x 200 Threaded bar into pre drilled holes in Ground Fixing Post
2. Fix M10x 200 Threaded bar in place using M10 Nuts
3. Excavate a hole with a 250mm diameter tapering down to 350mm diameter and 350mm depth
4. Compact base of hole with 50mm of aggregate. Lower ground Fix post attached of instrument into hole (check instrument straight and level before filling with concrete)
5. Fill hole with fast drying concrete to manufacturers specifications.

Foundations should not present a hazard. These foundations are recommended as a guide, for more information on foundation details for various surface see Part 1 of BS EN 1176.