USMMA25_Area1-SamplingMap with Composites_(2025).pdf

PDF 1 MB Posted Feb 26, 2026

Attached to: Maintenance Dredging of Hague Basin, U. S. Merchant Marine Academy, New York Federal Navigation Project
Solicitation number: W912DS26BA011
Issued by: Department of the Army Corps of Engineers Engineering District New York

About this file

Written by GovTribe AI · Feb 26, 2026

This is a Plans & Specifications Survey map prepared by the U.S. Army Corps of Engineers, New York District, for the U.S. Merchant Marine Academy Hague Basin located at Kings Point, New York.

The survey was conducted September 15-17, 2025, at a scale of 1 inch = 40 feet and covers hydrographic and bathymetric data for the basin area. The map displays soundings referenced to Mean Lower Low Water (MLLW) based on the 1983-2001 epoch, with elevations tied to National Geodetic Reference System (NGRS) benchmarks and local control points. Two distinct areas are depicted: Area 1 marked with green hatching (±6' x 2' CSD MLLW) and Area 2 marked with red hatching (±12' x 2' CSD MLLW), with composites A, B, M and C, D, N identified in the upper portion. The survey utilized Real Time Kinematic GPS from control station "851 6945 TIDAL 5" and meets EM 1110-2-1003 accuracy standards and CEPD compliance requirements per ER 1110-2-8160 and EM 1110-2-6056. Soundings are based on a 3' x 3' median cell sorted to a 10-foot interval with contours generated from this dataset. The map includes aerial imagery from NYGIN 2023 for orientation purposes and was approved by the Chief of Surveys and Mapping Branch and related supervisory personnel.

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Bid Abstract W912DS26BA011.pdf	PDF	Apr 14, 2026
SPECS_CHG-01 11 00_USMMA26_03APR_v4.pdf	PDF	Apr 9, 2026
Solicitation Amendment - W912DS26BA0110003 Professional Appearance.pdf	PDF	Apr 9, 2026
Solicitation Amendment W912DS26BA0110003 SF 30.pdf	PDF	Apr 9, 2026
Solicitation Amendment W912DS26BA0110002 SF 30.pdf	PDF	Apr 7, 2026
SPECS_CHG-01 11 00_USMMA26_03APR_v3.pdf	PDF	Apr 7, 2026
Solicitation Amendment - W912DS26BA0110002.pdf	PDF	Apr 7, 2026
5615_10sort_mllw_ELEVATION.zip	ZIP file	Apr 7, 2026
03 - USMMA26 Plans 27MAR2026.pdf	PDF	Apr 1, 2026
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SPECS_CHG-01 11 00_USMMA26.pdf	PDF	Apr 1, 2026
Solicitation Amendment - W912DS26BA0110001 Professional Appearance.pdf	PDF	Apr 1, 2026
Solicitation Amendment W912DS26BA0110001 SF 30.pdf	PDF	Apr 1, 2026
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03 - USMMA26 Plans Revised 2.pdf	PDF	Mar 13, 2026
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USMMA_Battelle Final Data_Area1_16FEB2026.xlsx	XLSX spreadsheet	Feb 26, 2026
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US Army Corps of Engineers

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VH-101

ELEVATION:

BENCHMARK:

LOCAL CONTROL

ELEVATION:

BENCHMARK:

NSRS BENCHMARK

851 6945 TIDAL 5 (PID:DE7792)

10.88'

851 6945 D

11.66'

PROJECT SPECIFIC NOTES:

-THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF

SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED

AS THE GENERAL CONDITIONS EXISTING AT THAT TIME.

-THE SOUNDINGS ON THIS MAP MEET EM 1110-2-1003 ACCURACY STANDARDS.

-THIS MAP IS CEPD COMPLIANT IN ACCORDANCE WITH ER 1110-2-8160

AND EM 1110-2-6056.

-COORDINATES REFER TO US STATE PLANE COORDINATE SYSTEM NAD 1983,

LONG ISLAND LAMBERT - ZONE 3104, US SURVEY FEET.

-SOUNDINGS ON THIS MAP REFER TO THE PLANE OF MEAN LOWER LOW WATER

(MLLW) [EPOCH 1983-2001].

-MEAN LOWER LOW WATER IS 4.1 FEET BELOW NAVD88 AS DETERMINED

USING VDATUM (VER. 4.6.1).

-SOUNDINGS DEPICTED ON THIS MAP ARE BASED ON A 3' x 3' MEDIAN CELL, SORTED TO A 10' INTERVAL.

-CONTOURS ON THIS MAP WERE GENERATED USING THE 3 x 3 DATA SET.

-THE DATA DEPICTED ON THIS MAP SHOULD NOT BE USED FOR VOLUME

CALCULATION PURPOSES.

-AERIAL IMAGERY PROVIDED BY NYGIN 2023 AND IS FOR

ORIENTATION PURPOSES ONLY.

-THE PLANIMETRICS DEPICTED ON THIS MAP ARE FOR ORIENTATION

PURPOSES ONLY.

-THIS SURVEY WAS PERFORMED USING REAL TIME KINEMATIC GPS

FROM STATION "851 6945 TIDAL 5".

Feet 0 40 80

AREA 1: -15' + 2' OD MLLW

AREA 2: -12' + 2' OD MLLW

e3opsfbd Text Box

AREA 1

e3opsfbd Text Box X2 e3opsfbd Text Box X3 e3opsfbd Text Box X4 e3opsfbd Text Box X5 e3opsfbd Text Box X6 e3opstml Oval e3opstml Oval e3opstml Text Box Composites A, B, M e3opstml Text Box Composites C, D, N

Sheets and Views

ANSI 'D'

Sheet 1

File details come from the government source that posted it. Updated Feb 26, 2026.