01720-2
PROJECT RECORD DOCUMENTS
Existing Utilities
a. Water mains and services, water main gate valves, sewer mains and
services, storm drains, culverts, steam lines, gas lines, tanks and other
existing utilities encountered during construction must be accurately
located and shown on the Drawings. In congested areas supplemental
drawings or enlargements may be required.
b. Show any existing utilities encountered in plan and profile and properly
labeled showing size, material and type of utility. Ties should be shown
on plan. Utility should be drawn to scale in section (horizontally and
vertically) and an elevation should be called out to the nearest hundredth
of a foot.
c. When existing utility lines are broken and repaired, ties should be taken
to these locations.
d. If existing water lines are replaced or relocated, document the area
involved and pipe materials, size, etc. in a note, and with ties.
Manholes, Catch Basins, Valve Pits and other structures.
a. | Renumber structure stationing to reflect changes.
b. Show ties to center of structure covers or hatches.
c. In general, show inverts at center of structures. However, for manholes
with drop structures, or steep channels (greater than 0.2' change on
slope), show inverts at face of manhole.
Show inverts for other structures at the face of the structure.
Draw any new structures that are added on plan and profile.
Show any field or office redesigns.
Redraw plan if the structure's location is moved more than 5 feet in any
direction. [Note: It is important to show existing utilities, as outlined in
Paragraph 1 above, especially if they were one reason for relocating the
sewer, manholes and other structures. ]
h. Redraw profile if inverts changed by more than 6 inches.
Gravity Sewer Line
a. Change sewer line slopes indicated on Drawings if inverts are changed.
b. Draw any new gravity lines that are added on plan and profile.
c. Show any field or office redesigns.
d.
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Redraw the sewer line profile if manhole inverts are redrawn.
Redraw the sewer line on plan corresponding to relocated manholes.
Water Mains and Force Mains
a. Show ties to the location of all valves, bends (horizontal and vertical),
tees and other fittings. The use of thrust blocks should be recorded.
b. Revise elevations indicated on the Drawings to reflect actual
construction.
Yard Piping and Buried Electrical Conduit
a. Site piping should be drawn to reflect the installed locations, with ties
and elevation of all bends (horizontal and vertical).
b. | Show routing for electrical conduits and pull boxes, especially in close
proximity to buildings and when the conduits change direction or cross
process piping.
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