PART III. SITE, TOPOGRAPHIC, UTILITY AND LANDSCAPE SURVEY CHECK LIST (Cont.)
12. Surface elevations on a 15 m (50') grid pattern,except where terrain features require
greater detail. At abrupt changes in grade, show elevations at the tops and bottoms of
slopes to the nearest 25 mm (0.1'). Use the grid established-for prior survey work in
the area.
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13. Site features of every character identified and located with exact measurements.
Include fences, retaining walls, areaways, steps, ramps, railings, gratings, flumes,
underground tanks, pads, sprinkler heads, telephone poles, fire hydrants and light
standards.
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15. All underground, overhead, and surface electrical utilities and structures. Show
size, depth, and top elevation of all electrical structures, based on actual site
investigation. For electric utility lines, indicate type of service (primary or secondary),
number of ducts, voltage, phase and other electrical data.
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16 All underground and surface civil and mechanical utilities and structures. Show
size depth, invert and top elevation of all utility structures, such as manholes, catch
basins and headwalls, based on actual site investigat ion. Indicate direction of flow and
size of pipe for all sewers drains and connecting lines between manholes. Show
location of septic tanks and field lines with condition, capacity, and inlet and outlet of
existing septic tank.
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16. Locations, size, and identification of all trees over 100 mm (4") caliper and shrubs
by botanical and common names. Show perimeter outline only of thickly wooded areas
with description of predominant vegetation. Identify the species of turf.
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PART IV. SOIL SURVEY
When required, provide a Soil Survey (see Structural requirements for subsurface
investigation in the A/E Submission Instructions, PG-18-15, Schematics 2). Analyze
the soil fertility, organic content, and pH measurement. Reference AASHTO -T-86, and
local District Office of the U.S. Soil Conservation Service Standards for procedures in
obtaining the above information. Utilize results from the study in making design
decisions that includes:
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A. Earthwork handling techniques such as benching, compaction, and erosion
control.
B. Selection of pavement type and cross section.
C. Selection of soil amendments.
D. Selection of landscape materials.
November 1, 1996
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