Clifton_Street_Boat_Launch-_Landside_Plan_Set_.pdf
PDF 15 MB Posted
- Attached to
- Clifton Street Boat Launch
- Solicitation number
- 2026-ITB-352
- Issued by
- New Haven County, Connecticut
About this file
This is a landside plan set for the Clifton Street Boat Launch project prepared by the City of New Haven Department of Engineering in Connecticut. The project involves the repair and construction of a non-motorized boat launch at the end of Clifton Street where it meets the Quinnipiac River. The landside improvements include construction of a low-profile pre-cast concrete block retaining wall, concrete sidewalk with wire mesh reinforcement, an ADA-compliant ramp (Type 9), a timber deck with felt pad, gravel driveway, and a sign kiosk. The plan set includes a proposed site plan (Sheet C-103), grading plan (Sheet GR-1), section view (Sheet GR-2), and multiple detail sheets (D-2, D-3, D-5). The project number is 22-090-01, with the design dated March 13, 2026, and prepared by M. Sirowich under the direction of Giovanni Zinn, P.E., City Engineer, and Mayor Justin M. Elicker.
The plan set specifies grading elevations, wall profiles, and construction details for the landside platform improvements. The proposed wall features a 45-foot radius curve with specific elevation markings ranging from 2.0 to 13.0 feet, and includes a 6-inch granular subgrade. The project incorporates ADA accessibility standards with a Type 9 ramp tieing into existing sidewalk and a 6-foot clear walkway created by clearing and grubbing vegetation. Existing pavers are to remain, and the design includes provisions for utility lines (water, gas, and overhead). The plan set references additional sheets for abutment and pier details and wall specifications, indicating this is part of a comprehensive design package for the boat launch restoration project.
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Text version
GRAVEL
DRIVEWAY
TIMBER
DECK
FELT PAD
DWELLING
#2 CLIFTON STREET
N/F
ARRON SNOW
6'-0"
9'-0"
R9.5
Revision/IssueNo. Date
00 5' 10'
Project Number
Designed By
Date
Sheet Number
Project Name and Address
Drawn By
C-103
Sheet Title
PROPOSED SITE PLAN
Professional Seal
22-090-01
CLIFTON ST
BOAT LAUNCH
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3/13/2026
M. SIROWICH
EXISTING PAVERS TO REMAIN
PRECAST BLOCK WALL
(SEE SHEET GR-2)
ABUTMENT AND PIER
(SEE PARTIAL PLAN 1)
CONCRETE SIDEWALK
7.0'
10.0'
9.0'
8.0'
6.0'
7.0'
10.0'
9.0'
8.0'
6.0'
CLEAR AND GRUB VEGETATION TO CREATE A 6 FEET CLEAR WALKWAY
ADA RAMP (TYPE 9)
TIE INTO EXISTING SIDEWALK
CONCRETE CURB
CONCRETE SIDEWALK WITH WIRE MESH
(AT LEAST 3' BEHIND THE WALL)
SIGN KIOSK
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CLIFTON STREET
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FELT PAD
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GRAVEL
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GR-1
Sheet Title
GRADING PLAN
Professional Seal
22-090-01
CLIFTON ST
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03/13/2026
M. SIROWICH
EOP 4.8'
4.0'
3.0'
2.0'
7.0'
10.0'
13.0'
12.0'
11.0'
9.0'
8.0'
6.0'
EOC 4.8'
EOC 5.0'
EOP 5.0'
CLIFTON STREET
ABUTMENT 4.75'
SEE DETAIL SHEET D-1
TW 4.75'
SEE WALL PROFILE SHEET GR-2
ADA RAMP TYPE 9
EOP 5.1'
EOP 5.13'
ELV 5.2'
ELV 5.15'
TOC 5.6'
BOC 5.2'
TOC 5.6'
BOC 5.27'
ELV 5.6'
ELV 5.3'
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Elevation
Station
1.0
2.0
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Project Number
Designed By
Date
Sheet Number
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GR-2
Sheet Title
SECTION VIEW
Professional Seal
22-090-01
CLIFTON ST
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2/19/26
M. SIROWICH
PROPOSED WALL VERTICAL VIEW
EXISTING GRADE/
PROPOSED FRONT OF WALL ELEVATION
6" GRANULAR SUBGRADE
WALL TO TIE INTO EXISTING GRADE OF VEGETATION
PROPOSED WALL HORIZONTAL VIEW
Δ = 44.267 L=34.814 R=45.083
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SHRUB
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PATIO
00 20' 40'
Project Number
Designed By
Date
Sheet Number
Project Name and Address
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DETAIL SHEET
Professional Seal
22-090-01
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Professional Seal
22-090-01
CLIFTON ST
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DETAIL SHEET
Professional Seal
22-090-01
CLIFTON ST
BOAT LAUNCH
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