Landscape Architects -  Denver, Colorado / Tucson, Arizona:  Your Landscape Solutions by Tom Stephens - Landscape Architect. Creative Landscape Designs, Xeriscape & Outdoor Living Spaces

 SPECIFICATIONS FOR TOPOGRAPHIC SURVEY

General:

Surveyor shall do all work necessary to determine accurately the physical conditions existing on the site. Surveyor shall prepare a map of the given area in ink on vellum at a scale of 1/8 inch equals 1 foot and a computer disk or zip disk containing the map at true scale in AutoCAD release 2000 (preferred) or .dxf format. To assure computer compatibility call 303-797-6700.

Datum:

Elevations shall be referenced to any convenient and permanent bench-mark with an assumed elevation of 100.00 feet. The bench-mark location shall be shown on the map (main entrance door sill is preferred).  In addition to elevations required, the map shall show contours at 1-foot (preferred) or 2-foot vertical intervals.

Information Required:

1.     Title of survey, property location, scale, north point, certification, and date.

2.     Tract boundary lines, courses, and distances. Error of traverse closure shall not
         exceed 1:10,000. Calculate and show acreage.

3.     Building setback lines, easements, and rights-of-way.

4.     Names of on-site and abutting parcel owners.

5.     Names and locations of existing streets on or abutting the tract. Show
         right-of-way, type and width of surfacing, curbs and curb heights, and centerline
         of gutters and ditches.

6.     Position and shape of all buildings with windows, doors, down spouts, electrical
        outlets, meters, control panels, hose bibs, vents, utilities entrances and boxes,
        transformers, yard lights, etc.  All other physical structures to be shown, 
        including foundations, piers, bridges, culverts, wells, and cisterns.

7.     Location of all site construction, including walls, fences, roads, drives, curbs,
        gutters, steps, walks, trails, paved areas, etc., indicating types of materials or
        surfacing.

8.     Locations, types. sizes, and direction of flow of existing storm and sanitary
        sewers on or contiguous to the tract, giving top and invert elevations of
        manholes and inlet and invert elevations of other drainage structures including
        septic tanks and tile fields with cleanouts and vents; location, ownership, type,
        and size of water and gas mains, manholes, wells and pumps with sizes and
        capacities, valve boxes, meter boxes, hydrants, and other appurtenances;
        locations of utility poles and telephone, electrical, and cable TV lines and
        satellite dishes, fire alarm and security alarm boxes and mailboxes. For utilities
        not traversing the site indicate, by key plan if necessary, the nearest off-site
        leads, giving all pertinent information on types, sizes, inverts, and ownership.

9.     Locations of water bodies, streams, springs, swamps, or boggy areas and
        drainage ditches or swales.

10.   Outline of wooded areas and plant beds. Within areas so noted, show all trees
        that have a trunk diameter of 4 inches or greater at waist height, giving
        approximate trunk diameters, spread at dripline, and common names of the
        trees and an evaluation of their physical condition. All shrubs will be located
        and diameter and heights shown as well as common names.

11.   Road elevations. Elevations shall be taken at 50-foot intervals along centerlines
        of roads, flow line of gutter on property side, and tops and bottoms of curbs.
        The pertinent grades of abutting street and road intersections shall also be
        shown.

12.   Ground surface elevations shall be taken on a 50-foot grid system as well as at
         the top and bottom of all considerable breaks in grade, whether vertical as in
         walls or sloping as in banks. Show all floor elevations for buildings. Spot
         elevations shall be indicated at the finished grade of building corners, building
         entrance platforms, and all walk intersections. In addition to elevations
         required, the map shall show contours at 2-foot vertical intervals. All elevations
         shall be to the nearest tenth of a foot. Permissible tolerance shall be one tenth
         of a foot for spot elevations and half of the contour interval for contours.

                                                                                                                                   
                                                                                             Topo Survey Spec 2005

 

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