requirements contracts for engineering design and related services ...

) The exploration program shall generally:
(i) Verify the existence and extent of inaccessible spaces.
(ii) Provide soil bearing capacities for Buildings Department filings, where required.
(iii) Locate vault envelopes relative to the survey baselines(s) and elevation datum.
c) The Consultant may be required to include one or more of the following items in the program for indepth
vault exploration:
(i) Metal Detection;
(ii) Sidewalk Test Pits (Vaults) - 2' x 3' x 3' deep.
(iii) 1/2" diameter Drilled Pilot Holes for Vaults, variable depth.
(iv) Soil Bearing Capacity Tests Inside Vaults (for foundation design).
(v) Interior Vault Closure Wall Removal - miscellaneous materials (non-structural).
d) The Consultant shall submit a proposed exploration program, including the approximate location of
each proposed item of work to the Department for review and approval.
e) Upon receiving approval, the Consultant shall prepare a location plan for all proposed exploration work
and also prepare estimates of quantities, specifications and descriptions of work in sufficient detail to
fully describe the work.
f) The Consultant shall identify and measure all visible structural elements of the vault space, including,
but not limited to, bearing walls (material/thickness), columns (size), footings, beams (size/material),
girders, roof slab material and structural system (visual inspection only).
g) The Consultant shall identify, locate and measure all services and utilities within and contiguous to the
vault space including, but not limited to, electric service panels (size of panel box, number of circuits,
service ampere ratings, house distribution panel boxes), natural gas service (entry, meter, shutoff),
water service (entry, meter, shutoff, electric ground, pipe size), house trap location, house trap vent
location and size, ventilation system, air conditioning system, heating system elements, telephone
lines, sprinkler systems, alarm systems, lighting systems.
h) The Consultant shall provide a Certified Asbestos Investigator (CAI) to perform inspections and make
an assessment of the possibility that asbestos installation(s) exist within the vault(s). All such
installations identified shall be photographed and measured, and the results incorporated into a
Preliminary Asbestos Inspection Report that shall be prepared by the CAI. The report shall identify
and describe the location(s) and extent of possible asbestos installation(s). The photographs and
measurements taken shall be included in a technical supplement to the Preliminary Asbestos
Inspection Report.
Sampling and testing for asbestos, shall be performed, if needed.
i) The exploration program shall also include sampling and testing for asbestos by a Certified Asbestos
Investigator (CAI) in vaults. The Consultant shall provide a CAI for asbestos identification, sampling
and testing; and for preparing/filing Buildings Department and New York City Department of
Environmental Protection asbestos forms.
NYC Department of Design and Construction
Infrastructure, October 2012
GR-31