Complete Compiled Specification.pdf - Peck Ormsby Construction

jumper. Prior to installation, verify with Architect that the 15 inches is adequate for
the designed movement, and if not, increase this length as required.
G. Conduit stubbed from a concrete slab or wall to serve an outlet under a table or to supply a
machine shall have a rigid conduit coupling flush with the surface of the slab. Provide plug
where conduit is to be used in future.
H. Conduits in above grade slabs shall be located in the middle of the slab. The maximum size,
spacing, and location of conduits in post-tensioned slabs shall be subject to approval by the
structural engineer. Conduits larger than one inch shall not be run in slabs.
I. Provide a ground wire sized per code in all conduit.
J. Where PVC conduit is below building slab on grade, conduit must be installed to be at least 2
inches below the slab. Provide 2 inches of sand or pea sized gravel to cover conduit. Protect
conduit from vehicle traffic and construction traffic prior to concrete pour. Conduit poured
inside the slab for slab on grade construction is not acceptable.
K. Elbows larger than 30 degrees and one inch shall be galvanized rigid conduit, wrapped with
PVC tape.
L. Provide a ground wire sized per code in all PVC conduits. Conductor quantities indicated in
conduits do not include ground wires unless otherwise noted.
M. Provide trenching, backfilling, compaction, re-paving or other site restoration as required by
the work done in this division. Minimum trench depth shall be 24" unless otherwise noted.
N. Install a detectable 6 inch wide yellow vinyl tape with letter "Caution: Buried Electrical Line
Below" 18 inches above all buried service conduit and wire not under structures.
O. Backfill material for all trenches under paved areas shall be coarse sand or crushed rock,
installed in layers not to exceed eight inches and compacted to 95% of maximum density at
optimum moisture content to preclude subsequent settlement. Compaction by water method.
The top 18 inches of trenches in landscaped or grassed areas shall be backfilled with native
soil and tamped.
P. Conduits piercing a building waterproof membrane shall be provided with flanges, using two
neoprene washers, one washer on each side of membrane, between each flange and
membrane.
Q. All underground conduits which enter the building shall be sloped to drain away from the
building and shall be water sealed to prevent moisture from passing through the conduit into
the building. All joints to be threaded and taped or glued to prevent entry of water into the
conduits.
R. All underground conduits entering the building shall be poured-in-place, or provided with
watertight conduit sleeves and rubber seals, Link-seal system by Thunderline Corporation or
equivalent.
S. Raceways shall be left clean and free of debris.
T. Provide a pull string in all empty conduits.
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDITION March 2, 2009
RACEWAYS 16130-3