mta-bor298001_SUR_ControlPoints.xlsx
XLSX spreadsheet 16 KB Posted
- Attached to
- MT FLAP BOR 2980(1), Sun River Bridge Replacement Federal contract opportunity
- Solicitation number
- 69056724B000016
About this file
This document appears to be an Excel file containing survey control point data for the MT FLAP BOR 2980(1), Sun River Bridge Replacement project. The file provides Montana State Plane Coordinate System (NAD83) and NAVD88 elevation information for various control points, including FHWA, BLM, USGS, and BOR monuments, with associated metadata.
The related federal contract opportunity is for the construction of a new 462-foot long, 3-span precast-post-tensioned girder bridge, as well as new approach embankments and MSE wall approaches, located approximately 50 miles northwest of Augusta, Montana. The work may include the demolition of the existing steel truss bridge. The contract type is Sealed Bid, Firm-Fixed-Price, with an estimated price range between $10 million to $20 million. The tentative completion date is Fall 2026, and the solicitation is offered for full and open competition on an unrestricted basis.
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Text version
SunRiverBr-Control
| FHWA Sun River Road Bridge RPA Final Control Point Table | |||||||||
| Montana State Plane Coordinates (2500) NAD83(2011) International Foot Definition Raised to Ground with NAVD 88 Elevations | |||||||||
| Point | Latitude | Longitude | Ellip Ht | Northing (local) | Easting (local) | Elevation | Description | Convergence Angle | CSF |
| 23101 | 47°37'03.05612" | -112°41'31.82842" | 4422.21 | 43691.186 | 81844.293 | 4465.96 | 102 2.5insFHWA - See Monument Sheet for more info | -2°20'06" | 0.99923727 |
| 23102 | 47°37'00.01584" | -112°41'31.48235" | 4424.37 | 43382.352 | 81855.434 | 4468.13 | 102 2.5insFHWA - See Monument Sheet for more info | -2°20'06" | 0.99923701 |
| 23103 | 47°37'07.04324" | -112°41'26.59909" | 4398.70 | 44080.338 | 82218.792 | 4442.48 | 102 2.5insFHWA - See Monument Sheet for more info | -2°20'02" | 0.99923859 |
| 23104 | 47°37'06.72100" | -112°41'22.76035" | 4411.16 | 44036.996 | 82480.289 | 4454.95 | 102 2.5insFHWA - See Monument Sheet for more info | -2°20'00" | 0.99923798 |
| 200 | 47°37'06.47982" | -112°41'27.36834" | 4376.61 | 44025.431 | 82163.798 | 4420.38 | 3.25ins BLM Brass Cap 1/4 Corner | -2°20'03" | 0.99923962 |
| 201 | 47°37'06.65785" | -112°41'17.11586" | 4411.39 | 44014.859 | 82866.489 | 4455.20 | 4ins USGS Brass Cap "4448 Butte", set in 1908, 387ft east of CP 23104 (Record: 4450.97') | -2°19'56" | 0.99923797 |
| 1238 | 47°37'05.08934" | -112°41'35.16029" | 4428.61 | 43906.381 | 81624.564 | 4472.36 | 3.25ins BOR Brass Cap set on North Corner of siphon inlet (Record: 4465.00') | -2°20'09" | 0.99923706 |
| Metadata | ||
| Survey Performed by Robert Peccia and Associates - July 2023 Trimble R8/R12i GPS | ||
| Control primarily established with GPS Static and RTK methods: | ||
| Held OPUS return for 23101 | ||
| Held GPS RTK results for all other control | 0.99955122 | |
| Montana State Plane Coordinates (2500) NAD83(2011) Epoch 2010.000 International Foot Definition based on OPUS solutions | ||
| *** Raised to ground and truncated at CP23101 | ||
| Delta N: | -1200000.0 | |
| Delta E: | -1100000.0 | |
| No Rotation (grid bearings) | ||
| NAVD 88 Elevations were computed using Geoid18 | ||
| NAVD 88 Elevations - Held OPUS solution | ||
| NAVD88 - NGVD29: -3.7ft | ||
| NOTE: USGS Brass Cap value from USGS "Results of Spirit Leveling in Montana 1896-1910, Inclusive" | ||
| NOTE: USGS notes claim "a correction of 3.1 feet has been added to the Reclamation Service Values" | ||
| Magnetic Declination: 12°26'E | ||
| RPA RPC - Set 5/8"x30" long rebar with 1 1/4" Red Plastic Cap marked "RPA CONTROL" | ||
| YPC - Yellow Plastic Cap | ||
| 2.5insFHWA - Set 5/8"x30" long rebar with 2.5" FHWA Aluminum Cap with CP Number and Date | ||
| 2insMDT - FOUND 2" Montana Department of Transportation Aluminum Cap set on rebar. | ||
| PK - PK nail | ||
| NGS - National Geodetic Survey | ||
| CSF - Combined Scale Factor | ||
| OPUS Data point | ||
| Mean CSF: 0.99923727 |
Sheet1
| 4805m | 533423.775 | 1580050.167 | 4733.76 | 102 2insMDT |
| 14101 | 533494.995 | 1580739.244 | 4739.22 | 102 2insFHWA |
| 14102 | 533396.241 | 1581387.329 | 4746.51 | 102 2insFHWA |
| 14103 | 533369.703 | 1582064.633 | 4756.03 | 102 2insFHWA |
| 14104 | 533348.050 | 1582691.281 | 4763.33 | 102 2insFHWA |
| 14105 | 533340.728 | 1583267.859 | 4770.36 | 102 2insFHWA |
| 14106 | 533336.868 | 1583986.271 | 4779.95 | 102 2insFHWA |
| 14107 | 534560.459 | 1585683.202 | 4801.81 | 102 2insFHWA |
| 14108 | 534883.029 | 1586208.555 | 4808.98 | 102 2insFHWA |
| 14109 | 535206.063 | 1586762.991 | 4831.59 | 102 2insFHWA |
| 14110 | 535253.729 | 1588298.977 | 4891.61 | 102 2insFHWA |
| 14111 | 535141.619 | 1589543.348 | 4916.93 | 102 2insFHWA |
| 14112 | 535587.377 | 1591012.703 | 4945.16 | 102 2insFHWA |
| A6077 | 535434.282 | 1590596.868 | 4942.50 | 102 2insMDT |
| B6077 | 535099.061 | 1589966.112 | 4938.87 | 102 2insMDT |
| C6077 | 535098.850 | 1589191.759 | 4924.08 | 102 2insMDT |
| D6077 | 535115.626 | 1588710.479 | 4902.64 | 102 2insMDT |
| E6077 | 535174.524 | 1587834.352 | 4868.01 | 102 2insMDT |
| F6077 | 535175.635 | 1587134.292 | 4841.10 | 102 2insMDT |
| G6077 | 535240.695 | 1589159.392 | 4930.59 | 102 2insMDT |
| CP2A | 533556.899 | 1584545.021 | 4783.74 | 102 2insMDT |
| CP3A | 534190.324 | 1585332.084 | 4798.06 | 102 2insMDT |
| CP3X | 534264.971 | 1585257.461 | 4795.04 | 102 2insMDT |
| CP3Z | 535297.276 | 1587087.475 | 4853.07 | 102 2insMDT |
File details come from the government source that posted it. Updated .