3.1.9
Wheel Guard and Railing
Lay wheel guards in sections at least 3.6 m 12 feet long; bolt through
floor plank and through outside stringer or nailing piece with 20 mm 3/4
inch bolts spaced 1.2 m 4 feet or less apart. Bevel wheel guards on pier
side as shown. Provide wheel guard material surfaced on four sides (S4S)
on the top edge and pier side. Provide surfaced (S4S) material for
railings.
3.1.10
Fastening
Vertical bolts shall have nuts on the lower end. Where bolts are used to
fasten timber to timber, timber to concrete, or timber to steel, bolt
members together when they are installed and retighten immediately prior to
final acceptance of contract. Provide bolts having sufficient additional
threading to provide at least 31 mm per m 3/8 inch per foot thickness of
timber for future retightening. [Provide timber connectors of types
indicated. Install split-ring and shear-plate connectors in pre-cut
grooves of the dimensions [shown] [as recommended by the manufacturer].
Force toothed-ring and spike-grid connectors and clamping plates into the
contact surfaces of timbers joined by means of proper pressure tools; at
joints, embed connectors of these types simultaneously and uniformly.]
3.1.11
Wrapping Pile Clusters and Dolphins
Fasten ends of wire rope with two zinc-coated clips or clamps. Draw piles
together, and bear on adjacent piles and structure as shown. Provide and
draw uptight through bolts before wrapping is finally secured. Attach wire
rope to piles [with staples] [as indicated].
3.2
FIELD TREATMENT
3.2.1
Timberwork
Field treat cuts, bevels, notches, refacing and abrasions made in the field
in treated piles or timbers in accordance with AWPA M4, MSDS and CIS. Wood
preservatives are restricted use pesticides and shall be applied according
to applicable standards. Trim cuts and abrasions before field treatment.
Paint depressions or openings around bolt holes, joints, or gaps including
recesses formed by counterboring, with [hot creosote oil] [preservative
treatment used for piles or timber]; and after bolt or screw is in place,
fill with hot pitch or a bitumastic compound.
3.2.2
Piling and Post Protection
In accordance with AWPA M4, immediately after pile or post tops are cut off
and prior to placement of pile cap, protect pile or post top with several
heavy applications of the same preservative used to treat the pile or post,
or else copper naphthenate solutions containing a minimum of 2 percent
copper metal may be used with treated products. Seal ends with a heavy
application of coal-tar pitch or other appropriate sealer.
3.2.3
Galvanized Surfaces
Repair and recoat zinc coating which has been field or shop cut, burned by
welding, abraded, or otherwise damaged to such an extent as to expose the
base metal. Thoroughly clean the damaged area by wire brushing and remove
traces of welding flux and loose or cracked zinc coating prior to painting.
Paint cleaned area with two coats of zinc oxide-zinc dust paint conforming
SECTION 02398
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