requirements contracts for engineering design and related services ...

p) The Consultant shall prepare Final Seepage Basin and/or Highway Drains Construction Contract Documents,
and incorporate the Seepage Basin and/or Highway Drains Construction Contract Documents into the Final
Consolidated Contract Documents for the Project.
4.19 SEWER DESIGN
A. Under this task the Consultant shall provide for the preparation of Sewer Design to be performed in conjunction with
the project. This work shall include the rehabilitation, relocation, or replacement of existing sewers and/or the installation
of new sewers, including the design of necessary appurtenances, all in accordance with a prescribed Drainage Plan.
B. The scope of work for Sewer Design shall include performance of the following services:
1. Preparation of a Preliminary Sewer Design which shall include:
a) Plotting of existing and proposed sewers, and sewer rehabilitation work on Utility Plans for the project
streets in standard Departmental format.
b) Plotting of profiles for existing and proposed sewers in standard Departmental format.
c) Designing and locating all necessary chambers, manholes and other appurtenances.
d) Researching and reviewing all available soil data for the project area, identifying soils exploration
requirements to provide additional data that is needed to complete the design, and incorporating the
soils exploration requirements into the Subsurface Exploration Program provided for in this Contract.
e) Designing all bedding, encasement and piles for the support and protection of sewers and sewer
appurtenances in accordance with the latest standards of the Department.
2. Submission of the Preliminary Sewer Design to the Commissioner for review and comments, and
incorporation of the Commissioner’s comments on the Preliminary Design before incorporating the design into the
Preliminary Contract Documents under the Street Design Task.
3. Preparation of Final Sewer Design and obtaining approval from the Commissioner prior to incorporating the
Final Sewer Design into the Final Contract Documents in accordance with the Street Design Task.
C. Development of Contract Documents
1. In preparing the Contract Drawings and any addenda to the standard Sewer Specifications that are needed, the
Consultant shall take cognizance of the basic minimum requirements set forth herein, together with such other
requirements as may be proper for the complete fulfillment of this contract for the purpose for which the project is to
be used. The proposed construction is to be designed generally in accordance with the requirements of any other
agency having jurisdiction as the design progresses.
2. The Consultant shall review all boring and soil data obtained in other sections of this program with a view to
identifying unacceptable fill material for purpose of preparing estimates of quantities that are to be included in the
contract documents.
D. Surveys
In preparing Sewer Design, the Consultant shall utilize information as obtained in the Topographic and Utility Surveys for
the Project, and test pit and/or boring information as may be provided by the various public/private utilities, and soils
information obtained under the Soils Exploration Program provided for under this Contract. The Consultant shall
supplement this information with field trips, additional surveys and searches for information as may be required.
E. Sewer Design: In connection with Sewer Design, the Consultant shall provide the following services:
1. Prepare preliminary and final designs superimposed over the composite utility plan, addenda to Standard
Sewer Specifications, estimates of cost, including utility charges and Gas Cost Sharing reimbursements (if any),
and such pertinent engineering data as may be required. The design drawings shall be in accordance with
current Departmental standards and guidelines, and shall show, to the satisfaction of the Commissioner, all
necessary sewer design details.
2. Present the Sewer Design Plans to private utility companies for private utility impact assessment and
alignment coordination.
NYC Department of Design and Construction
Infrastructure, October 2012
GR-62