HH-36DB Electrical Power Resiliency, Utility and Building ...
Transcript of HH-36DB Electrical Power Resiliency, Utility and Building ...
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HH-36DB - Electrical Power Resiliency, Utility and Building Improvements at the HHB
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HH-36DB Scope of Work
▪ Upgrade Dyckman Substation capacity from 225KVA to 750 KVA.
▪ In kind replacement of Kappock Substation, and installation of new HVAC unit for the electrical room.
▪ Install new fire suppression and alarm systems for Dyckman and KappockSubstations.
▪Complete unfinished work from HH-88B
Second Floor Air Handler Unit Replacement
Substation Replacement Maintenance Garage Build Out
▪ Install new Air Handler Unit into the modified Mechanical Room’s
available limited space.
▪Resurface 1,500 LF of existing park path
Park Path
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HH-36 DB schedule – Contract duration 36 months
Design Build Contract Award – December 2021
Design Build Contract Completion – December 2024
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HH-36 DB Lane Closure hours
HHB North Bound Parkway – 7am to 3pm
HHB South Bound Parkway – 10am to 3pm
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Existing Dyck. St. Substation within the North Abutment:
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New Dyck. St. Location:
* New substation enclosure to be constructed on the new parcel TBTA acquired from NYC DPR. Construction shall not impact the existing structure
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Dyckman Street Electrical Upgrade SOW: Build a new Substation Enclosure (minimum 25’-10”W X 15’ L)and Upgrade Substation Capacity. Work include but not limited to coordination with Con Edison, identification of underground utilities, installation of underground feeders, manholes and duct banks, new heating ventilation and air conditioning system new fire alarm and detection system and demolition of the existing substation.
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Location of the existing Con Ed Manhole at Dyckman Street
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Photos of existing substation within the abutment
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Kappock Electrical Upgrade SOW: Replace existing Substation transformer and
all associated equipment, equipment pad, resurface concrete floor,
mechanical and heating system and Fire detection and alarm system.
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Access to Kappock Substation
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Existing Kappock Substation photos
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Maintenance Garage HHB SOW- The maintenance Garage shell
was completed under HH-88B project. The Garage and basement
Interior shall be completed to comply with the latest NYS Building
and NYS Energy Codes
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Existing Garage Photos – First Floor - SOW includes but not limited to:
Slab on Grade, insulation, interior walls and doors, wall and floor finishing,
lighting, electrical, mechanical, electric heating system, plumbing systems, fire
suppression & alarm systems, security systems, interior drainage
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Existing Garage Photos – Basement – SOW includes but not limited to:
Slab on Grade, insulation, interior walls and doors,
wall and floor finishing, lighting, electrical,
mechanical, electric heating system, plumbing
systems, fire suppression & alarm systems, security systems, interior drainage, paving and fence.
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Maintenance Garage First Floor Plan
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Maintenance Garage Floor Plan
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Maintenance Garage First Floor Lighting Plan
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Work to be done in the parking Lot: SOW includes but not limited to: Clean &
reline Sewage Holding Tanks, Installation of new sanitary manholes, Installation of
new 550 Gallon Oil Water Separator
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Work to be done in the parking Lot – Existing Photo of the Parking Lot
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Second Floor Air Handler Unit SOW - Design, procure and install all equipment to
replace the existing air handler unit. Restoration of the mechanical room to an
outdoor space to meet energy conservation and building code.
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Second Floor Air Handler Unit – SOW includes but not limited to: removal of the existing unit, restoration of the building envelope, removal of the temporary wall, insulation of the existing wall, replacement of 2nd floor interior doors and installation of the new unit.
Second Floor Outdoor Space
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Second Floor Air Handler Unit
Second Floor interior corridor
Existing Unit on the second
floor
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1,500 LF of Park path Resurfacing per NYCDPR details: SOW includes but not
limited to coordination with NYCDPR for forestry and construction permits, path
closure schedule, restrictions and detour signs & schedule restrictions. The
equipment access to the Path location is limited. A DPR approved arborist shall
be present for the duration of this work.
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Park
Path Photos