mt-a2907861_WhaleCreekPit-2020 RPA_control-points.xlsx
XLSX spreadsheet 14 KB Posted
- Solicitation number
- 69056722B000016
About this file
This document includes a survey control point table and related federal contract opportunity for road resurfacing projects. The survey control point table provides Montana State Plane coordinate and elevation data for five control points established along Whale Creek Road and surrounding areas in Flathead County, Montana. The related federal contract opportunity is a solicitation for the MT Flathead 486(1) and MT FLAP FLATHD 2021(1) projects, which involve resurfacing sections of the North Fork of the Flathead River and Blankenship and Belton Stage Roads. The work locations are provided as 35 and 60 miles north of Columbia Falls, and 10 miles east of Columbia Falls, respectively. The solicitation includes plans and physical data attachments. The contracting agency is listed as the Department of Transportation Federal Highway Administration. The opportunity type is a solicitation and the document provides location details but no response dates or pricing terms.
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NFK-WhaleCreekPit1
| Whale Creek Road Gravel Pit 2020 North Fork Road RPA Survey Control Point Table | |||||||||
| Montana State Plane Coordinates (2500) NAD83(2011) International Foot Definition NAVD 88 Elevations* | |||||||||
| Point | Lat (local) | Long (local) | Height | Northing | Easting | Elevaton | Description | CSF | Conv. |
| 20252 | 48°52'00.65204" | -114°27'44.06378" | 4129.90 | 1721089.544 | 774965.203 | 4180.41 | Set 2ins FHWA AC east of Pit entrance, 60ft east of cl int road to pit, on shoulder. At NFS road 1671 intersection | 0.9997236228 | -3d37'48" |
| 20253 | 48°52'03.26655" | -114°27'44.48058" | 4131.09 | 1721355.731 | 774954.168 | 4181.60 | Set RPA RPC 260ft N of 252, on west side road | 0.9997239829 | -3d37'48" |
| 20254 | 48°52'02.62598" | -114°27'50.19714" | 4133.29 | 1721315.147 | 774568.637 | 4183.79 | Set RPA RPC in woods 450ft west of CP2052 | 0.9997237755 | -3d37'52" |
| 20255 | 48°52'02.90917" | -114°27'46.63093" | 4135.28 | 1721328.689 | 774808.400 | 4185.79 | Set RPA RPC SE of pit center on edge woods | 0.9997237257 | -3d37'50" |
| USFS Road 318 | |
| PROJECT: North Fork of the Flathead River | PROJECT UNITS: International Foot |
| DATE OF FIELD WORK: July 2020 | COORDINATE SYSTEM: Montana State Plane Coordinates (2500) NAD83(2011) International Foot |
| DATE OF FINAL ADJUSTMENT: July 2020 | EPOCH DATE: 2010.0000 |
| VERTICAL DATUM: NAVD 88 Elevations computed using Geoid18 from OPUS derived elevations |
| Metadata |
| Survey Performed by Robert Peccia and Associates - July 2020 - Trimble R8-3 GPS/Trimble Robotic |
| Control established with GPS RTK methods: |
| Held OPUS return for CP 20252 |
| Montana State Plane Coordinates (2500) NAD83(2011) Epoch: 2010.0000 International Foot Definition NAVD 88 Elevations* |
| * NAVD 88 Elevations were computed using Geoid18 from OPUS derived elevations. No NGS marks within reason for vertical check |
| Magnetic Declination used: 13°40"E |
| FHWA AC- Set 5/8"x30" long rebar with 2.5" FHWA Aluminum Cap with Control Point (CP) Number and Date |
| NGS - National Geodetic Survey |
| CSF - Combined Scale Factor |
| RPA RPC - 5/8ins diam. X 24ins long rebar with 1.25ins diam Red Plastic Cap marked RPA CONTROL |
| RP - Referenct (Mile) Post |
| Mean CSF: |
| Topo Range used |
| 2000-2222 |
| 3000-3545 |
File details come from the government source that posted it. Updated .