Bosch LTC 1271 Series Spécifications télécharger pdf (Page 36)

4. A minimum horizontal separation of 12 inches

must be maintained between the electrical

and telecommunications duct banks.

5. Conduits buried under paved areas and areas

of vehicular traffic shall be concrete

encased.

6. Non-encased conduits shall be bedded with a

minimum of 6 inches of sand on all sides.

7. Conduit runs shall include 2" base

separation spacers located every 10' on

center.

K. Underground hazard tape, non-adhesive, 6 inches

wide, Panduit HTU6G-T or equivalent which reads

"CAUTION TELEPHONE LINE BURIED BELOW" shall be

placed 6 inches below grade and above all conduit

runs.

L. Underground metal tracer tape shall be placed 6

inches above all new conduit runs.

M. At the trench site all mud and other debris such

as stones, wood, paper, etc., must be removed

from the ducts prior to placing them in the

trench.

N. All trench routes that run adjacent to trees or

shrubs shall be approved by the Bristol Board of

Education to minimize damage. Contractor shall

coordinate trenching to allow time for this to be

accomplished.

O. Joints should be aligned correctly and as tight

as possible so that ducts do not become

obstructed with silt, tree roots, etc. Plastic

duct joints should also be chemically welded.

P. Joints between lengths of conduit forming a tier

of ducts, and also those of successive tiers,

should be staggered uniformly.

Q. Before pouring concrete, plug all duct openings

temporarily. Concrete is to be poured toward the

free ends of the ducts. Concrete must not be

1 2 ... 31 32 33 34 35 36 37

Pas de commentaire

Bosch LTC 1271 Series Spécifications Page 36