requirements contracts for engineering design and related services ...

1) Gather and study all available information and records from all City agencies or private utilities who have interest in
the existing or the proposed step street structure.
2) Collect and study all available record drawings pertaining to the existing step street structure or to the area where
the new step street structure is to be installed at, and update site information, as necessary.
3) Study all available subsurface data, and develop and prepare a subsurface exploration program and take borings
(under Subsurface Exploration Program) if required, indicating the locations and the specific requirements for borings, test
pits and test strips, as needed.
4) Study the results of the subsurface investigation (i.e. borings, test pits, etc.) and utilize the data in designing a
suitable foundation for the step street structure.
5) Design and prepare preliminary construction contract drawings for step street. The drawings shall be sufficiently
detailed to clearly show the location, limits, and structural composition of the step street that is to be constructed. The
drawings shall also indicate the extent of structural replacement/repairs as well as any aesthetic treatments and repairs for
the step street that is to be reconstructed.
6) Include the preliminary construction contract drawings in the programmed Mass Mailing No.1 that is required under
the Street Design Task and present the preliminary design drawings to DOT Geometrics/Bridges, Parks Department,
Community Board, private utility companies, and other City, State and Federal agencies as needed and as directed by the
Commissioner, for their review and comments.
7) Modify the preliminary construction contract drawings to incorporate comments received in response to Mass
Mailing No. 1, as directed and approved by the Commissioner.
8) Prepare updated preliminary cost estimate for the proposed step street.
c) Final Design
1) The Consultant shall develop detailed construction contract documents for construction/reconstruction of the step
street, including but not limited to detailed drawings (plan, elevation and section views, as well as any proposed
landscaping work), specifications and estimate.
2) The Consultant shall coordinate the Final Design details of the step street with the design details being developed
for reconstruction of the adjacent connecting streets.
3) The Consultant shall submit the pre-final Design contract documents to the Commissioner for review and approval,
and shall incorporate the pre-final design documents in the programmed Mass Mailing No. 2 that is required under Street
Design task and submit the documents to the Public Design Commission, DOT Geometrics/Bridges, Parks Department,
Community Board, Private utility companies, and other City, State and Federal agencies and obtain required approvals and
permits, as required. Such submissions shall include but shall not be limited to drawings, specifications, estimates, design
criteria and computations, as needed.
4) The Consultant shall modify the Pre-final construction contract documents to incorporate comments received in
response to Mass Mailing No. 2 as approved by the Commissioner, and finalize the contract documents.
5) Upon finalizing the construction drawings, The Consultant shall prepare detailed cost estimate and specifications for
the approved proposed work.
6) The Consultant shall prepare and present the finalized drawings for the step street to the Public Design commission
for approval.
7) Consultant shall determine and advise the Commissioner of the need for temporary easements on private property
to facilitate construction of the step street and shall, as directed by the Commissioner, prepare appropriate documentation
and serve notices on property owners, and meet with property owners and other parties as needed to obtain such
easements.
NYC Department of Design and Construction
Infrastructure, October 2012
GR-88