requirements contracts for engineering design and related services ...

e. Sufficient fixed witness points shall be set for each base line monument far enough away so that construction
operations will not disturb them.
f. Cross-sections stationed along the centerline baseline shall be taken at 50 feet stationing, centerline of
intersecting streets, R.O.W. lines at each intersection, curb line(s) at each intersection, all breaks in grade.
Stationing elevations shall be taken at the building line(s), fence lines, encroachment lines, top and bottom of
curbs or edge of pavement (including malls), ¼ points of all roadways widths, center line of street, front and back
edges of ribbon sidewalks, possession lines, and widening lines(s) where applicable.
G. BASELINE MAP FOR UNDEVELOPED AREAS:
1. Where the work is in an underdeveloped area, a map showing the base line shall be prepared. The map shall show
the base line with all cuts and witnesses for each base line monument. If necessary, enlarged details shall be
drawn to show the witnesses. Borough President monuments shall be shown with their coordinate. Distances
between cuts, base line angle and coordination of angle points on the base line shall be included. The map shall
give descriptions of the benchmarks and their elevations with respect to the borough datum plane.
2. The map shall be at 1”=30’ scale, on 28”x40” size drawing, properly titled with a reference to the proper datum
plane, scale and date included
H. RECORD MAINTENANCE
1. The Consultant shall keep all field notes and office computations in a neat and orderly manner, and clearly indexed.
These field notes and computations shall be open for inspection and checking during the course of the work and
shall be available for review thereafter. The Consultant shall, at all times, cooperate with the Commissioner for such
checking of field work as may be necessary.
2. The Consultant is required to keep copies of all submitted documentation for a minimum of six years after contract
is fulfilled for the Department to access upon request. During the contract period, upon request, the Consultant shall
provide the Commissioner/representative with legible copies of all field notes on standard loose leaf field book that
contain standard survey formats. Notes on the drawings shall refer to field book number and respective pages.
I. PREPARATION AND SUBMISSION OF DRAWING
1. The Consultant shall prepare drawings for the specified locations of the proposed Capital Project by means of
Computer Aided Design and Drafting System (CADD).
2. All surveys in this contract shall be plotted on a CADD system and the computerized drawings shall be submitted in
AutoCAD 2010 or latest edition “DWG” format. Data files shall be submitted in ASCII format. Drawings shall be
layered in accordance with current Department requirements. Use of x-refs are prohibited.
3. All drawings shall conform to the Department standards, which include object naming conventions and integrity,
special line style, symbology, character styles, layering conventions, file names and drawings codes.
4. All electronic media shall be sent on CD-ROM.
5. All media shall be clearly labeled and a listing shall be provided along with the media to verify contents of media.
6. The Commissioner will provide samples of line styles, character styles, symbology, object names and allowable
layers.
7. The Consultant shall also supply the following information:
a. A key plan on the cover sheet with areas delineated and numbered corresponding to the areas and sheet
number of the Survey with the legend, shall be shown. For projects of 4,000 linear feet or more, the key plan
shall be prepared by the Consultant. The layout and sheet numbering of the project area will be reviewed by
the Commissioner for sufficiency of design purposes before submission of preliminary survey drawings. Layout
must be approved in writing by the Commissioner before submittal of preliminary survey drawings.
b. All maps, records and documents used in the preparation of the completed survey, including all available
records of public and private utilities within the project limits.
NYC Department of Design and Construction
Infrastructure, October 2012
GR-19