BRITMAC  

Buried Screed Trunking - Type BA

BURIED SCREED TRUNKING - TYPE BA

The BA range of trunking is designed for use in screeded floor applications where the trunking is buried 'inscreed'. Access boxes with hinged lids, installed at predetermined positions provide the end user with power, voice and data services. Available in a choice of two or three compartment formats with a wide range of co-ordinated auxiliary fittings. Ease of installation and convenience of final use have been priorities in design.

Access boxes utilise the Briton carpet trim and lid assembly allowing a co-ordinated appearance between screeded and raised access floor applications in the same installation. A comprehensive range of power, voice and data accessory plates complete the installation.

Installation

Boxes (both access boxes and junction units) are laid on the floor slab and interconnected by sealed underfloor trunking. Prior to screeding both trunking and boxes are fastened to the slab and the units are adjusted to finished floor level. After screeding, cables must be pulled through, sockets and voice outlets, etc, wired and fitted and final floor finishing, carpeting, etc, carried out.

Access box specification is simplified by a standard design that is adjustable to suit a wide range of screed depths. On-site installation time is also reduced by using this adjustment to counteract the level variations inherent in large floor areas.

Cross section through a 3 compartment floorbox within a buried screed trucking system

Product List

TRUNKING

DEPTH

25mm

38mm

COMPARTMENTS

WIDTH(mm)

LENGT(mm)

BA2T25

BA2T38

2

150

2000

BA3T25

BA3T38

3

225

2000

  • One joining strap supplied with each length of trunking.

  • Alternative sizes of trunking can be manufactured to special order.

JUNCTION UNITS

DEPTH

 

 

 

25mm

38mm

COMPARTMENTS

DESCRIPTION

BA2JT25

BA2JT38

2

Tee

BA3JT25

BA3JT38

3

Tee

BA2JX25

BA2JX38

2

Crossover

BA3JX25

BA3JX38

3

Crossover

BA2JS25

BA2JS38

2

Through

BA3JS25

BA3JS38

3

Through

BA2RA25

BA2RA38

2

Right angle

BA3RA25

BA3RA38

3

Right angle

  • One joining strap supplied with each length of trunking.

SYSTEM ANCILLARIES

DEPTH

 

　

　

25mm

38mm

COMPARTMENTS

DESCRIPTION

BA2RB25

BA2RB38

2

Riser bend

BA3RB25

BA3RB38

3

Riser bend

BA2EC25

BA2EC38

2

End cap

BA3EC25

BA3EC38

3

End cap

BA2FS25

BA2FS38

2

Joining strap (spare)

BA3FS25

BA3FS38

3

Joining strap (spare)

  • One joining strap supplied with each length of trunking.

  • Fixing screws supplied with end cap.

TYPICAL FLOOR LAYOUT

The floor layout below is a typical design proposal. Technical guidance or a full design service is available on enquiry.

FLOOR BOXES

JUNCTION UNITS

A Through box

J1 Right angle

A1 End box

J2 Tee

 

J3 Crossover

 

J4 Tee trunking to conduit

BURIED SCREED FLOOR BOXES

25mm DEEP

38mm DEEP

No.OF COMPARTMENTS

THROUGH TYPE

 

 

BA2AT25G

BA2AT38G

2

BA3AT25G

BA3AE38G

3

BA2AT25BR

BA2AE38BR

2

BA3AT25BR

BA3AE38BR

3

BA2AT25BL

BA2AE38BL

2

BA3AT25BL

BA3AT38BL

3

BLANK ONE END

BA2AE25G

BA2AE38G

2

BA3AE25G

BA3AE38G

3

BA2AE25BR

BA2AE38BR

2

BA3AE25BR

BA3AE38BR

3

BA2AE25BL

BA2AE38BL

2

BA3AE25BL

BA3AE38BL

3

FLOORBOX WITH PLAIN SIDES FOR CONDUIT APPLICATIONS

BA3ASG

3

BA3ASBR

3

BA3ASBL

3

  • All floor boxes utilise the Briton range of carpet trim and accessory plates.

  • G - GREY carpet trim, BR - BROWN carpet trim, BL - BLACK carpet trim.

  • Floor boxes for use with 2 compartment trunking have accessories fitted in outer compartments with a blank plate fitted to centre compartment.

FLOORBOX ACCESSORIES

THREE COMPARTMENT

All plates 87mm wide

GB3SS2/BG

13A 2 gang switched socket

GB3SSN2/BG

13A 2 gang switched socket NON-STD

GB3SS2CE/BG

13A 2 gang switched socket CLEAN EARTH

GB3SSN2CE/BG

13A 2 gang switched socket NON-STD, CLEAN EARTH

GB3RCD1/BG

13A 2 gang switched safety socket 10mA

GB3RCD3/BG

13A 2 gang switched safety socket 30mA

 

 

 

GB3S2/BG

13A 2 gang unswitched socket

GB3SN2/BG

13A 2 gang unswitched socket NON-STD

GB3S2CE/BG

13A 2 gang unswitched socket CLEAN EARTH

GB3SN2CE/BG

13A 2 gang unswitched socket NON-STD, CLEAN EARTH

  • Power sockets supplied with rear entry terminals as standard. Side entry terminals available on request.

 

 

GB3S3/BG

13A 3 single unswitched socket

 

GB3SN3/BG

13A 3 single unswitched socket NON-STD

 

GB3S3CE/BG

13A 3 single unswitched socket CLEAN EARTH

 

GB3SN3CE/BG

13A 3 single unswitched socket NON-STD, CLEAN EARTH

 

 

GB3J6C/BG

Plate to accept 4 LJU6C voice or 4 RJ45 data outlets

GB3J3/BG

Plate to accept 2 LJU3/4/5 telephone outlets

GB3T25D/BG

Shallow plate to accept 2 25 pin D sockets

GB3TBNC/BG

Shallow plate to accept 2 insulated BNC sockets

GB32G/BG

Plate to accept 2 gang surface- mounted accessory

 

 

GB3BP/BG

Blank plate for on-site piercing

GB3TLAN1/BG

Shallow plate to accept 1 IBM LAN connector with Balun

GB3TLAN2/BG

Shallow plate to accept 2 IBM LAN connectors without Balun

Accessories to match existing installations available to order - Add suffix to List No. ie __/RD(RED) or __/GR(GREEN), instead of __/BG(BIRCH GREY).

All accessory plates are supplied with fixing screws.

13A accessory plates are supplied with the appropriate interior fitted.

In addition to the most common accessory plates shown, a wide range to suit continental and NEMA standards, and for many types of data systems are also available.

Full details available on request.

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