mt-a2907861_NorthForkRoad-2020 RPA_control-points.xlsx

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MT FLATHEAD 486(1), NORTH FORK OF THE FLATHEAD RIVER, MT FLAP FLATHD 2021(1), BLANKENSHIP AND BELTON STAGE ROAD RESURFACING, Flathead County, Flathead, County, Montana.
Solicitation number
69056722B000016
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This document package includes a survey control point table and related federal contract opportunity for road construction projects in Flathead County, Montana. The survey control point table provides Montana State Plane coordinate and elevation data for 165 points established along the North Fork Road to control horizontal and vertical positioning for the project. The related federal contract opportunity is a solicitation for the MT Flathead 486(1) and MT FLAP FLATHD 2021(1) projects to resurface sections of the North Fork and Blankenship/Belton Stage roads. The work will be performed in Flathead County for the Federal Highway Administration and Montana Department of Transportation, with bid documents including invitation to bid, plans, and physical data. The response due date is not provided.

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NFK-WhaleCreekPit1

North Fork Road 2020 RPA Survey Control Point Table
Montana State Plane Coordinates (2500) NAD83(2011) International Foot Definition NAVD 88 Elevations*
PointLat (local)Long (local)HeightNorthingEastingElevatonDescriptionCSFConv.
2010348°56'17.27938"-114°26'17.88000"4069.151746681.265782354.3124119.67Set FHWA-See Monument Control Sheet0.9997681991-3°36'45"
2010448°56'20.83859"-114°26'23.32016"4072.161747064.146782014.5574122.67Set FHWA-See Monument Control Sheet0.9997686448-3°36'49"
2010548°56'21.74699"-114°26'29.51483"4087.801747182.095781607.6064138.32Set RPA RPC0.9997680483-3°36'53"
2010648°56'23.13560"-114°26'36.06766"4086.241747350.132781179.8654136.75Set RPA RPC0.999768353-3°36'58"
2010748°56'27.13231"-114°26'42.31476"4087.361747780.684780789.1784137.86Set RPA RPC0.9997689617-3°37'02"
2010848°56'33.09373"-114°26'46.98440"4091.011748403.316780516.1774141.50Set RPA RPC0.9997697761-3°37'06"
2010948°56'39.49540"-114°26'53.02825"4094.901749076.273780154.4584145.38Set RPA RPC0.9997706531-3°37'10"
2011048°56'42.65305"-114°26'56.86437"4101.011749411.818779919.0894151.49Set RPA RPC0.9997708858-3°37'13"
2011148°56'48.30625"-114°27'00.73798"4112.271749999.934779697.2054162.74Set RPA RPC0.9997712877-3°37'16"
2011248°56'51.96599"-114°27'04.48207"4127.651750385.881779471.2034178.12Set RPA RPC0.9997711619-3°37'19"
2011348°56'55.92898"-114°27'06.42352"4138.851750794.900779367.2404189.32Set RPA RPC0.9997712868-3°37'20"
2011448°56'59.64006"-114°27'06.23260"4141.661751169.448779403.7204192.12Set RPA RPC0.9997717708-3°37'20"
2011548°57'03.01258"-114°27'09.27517"4156.531751523.390779222.6334206.99Set RPA RPC0.9997716224-3°37'22"
2011648°57'06.17230"-114°27'09.63951"4157.221751844.513779218.5974207.67Set RPA RPC0.9997721164-3°37'22"
2011748°57'08.13357"-114°27'12.69491"4157.191752055.771779027.6284207.65Set RPA RPC0.9997724446-3°37'25"
2011848°57'09.23601"-114°27'16.85733"4158.451752184.837778757.4194208.90Set RPA RPC0.9997725685-3°37'28"
2011948°57'13.20564"-114°27'22.04162"4152.321752608.219778437.5204202.77Set RPA RPC0.9997735234-3°37'32"
2012048°57'16.54232"-114°27'23.84715"4154.371752953.324778338.6374204.81Set RPA RPC0.9997739824-3°37'33"
2012148°57'19.21932"-114°27'26.78559"4154.051753236.490778160.0684204.48Set RPA RPC0.9997744451-3°37'35"
2012248°57'20.09305"-114°27'30.94165"4151.821753342.409777888.8404202.25Set RPA RPC0.9997746973-3°37'38"
2012348°57'23.46149"-114°27'31.67079"4150.901753686.185777861.8714201.34Set RPA RPC0.9997753039-3°37'39"
2012448°57'26.14256"-114°27'34.29347"4149.701753968.434777704.3754200.13Set RPA RPC0.9997758097-3°37'40"
2012548°57'27.82615"-114°27'37.73237"4149.661754153.243777486.1224200.09Set RPA RPC0.9997760929-3°37'43"
2012648°57'30.33979"-114°27'40.01120"4150.121754417.108777350.4644200.54Set RPA RPC0.9997764916-3°37'45"
2012748°57'33.25613"-114°27'44.15086"4154.871754729.567777093.4564205.29Set RPA RPC0.9997767529-3°37'48"
2012848°57'34.90955"-114°27'46.93138"4152.431754908.549776918.8744202.85Set RPA RPC0.9997771462-3°37'50"
2012948°57'37.84415"-114°27'47.99469"4160.991755209.859776866.8884211.41Set RPA RPC0.9997772286-3°37'51"
2013048°57'41.72410"-114°27'50.92628"4150.581755614.682776696.5444201.00Set RPA RPC0.9997783759-3°37'53"
2013148°57'44.76351"-114°27'54.30906"4146.661755936.399776490.7634197.08Set RPA RPC0.9997790723-3°37'55"
2013248°57'48.74288"-114°27'55.05543"4142.021756342.043776466.6044192.44Set RPA RPC0.9997799612-3°37'56"
2013348°57'52.83085"-114°27'56.54421"4135.801756761.811776393.7034186.21Set RPA RPC0.9997809443-3°37'57"
2013448°57'56.41272"-114°27'59.22956"4134.711757135.449776237.8714185.11Set RPA RPC0.999781598-3°37'59"
2013548°57'59.34514"-114°28'00.77102"4133.551757438.563776154.0514183.95Set RPA RPC0.9997821459-3°38'00"
2013648°58'02.34006"-114°28'05.42910"4135.671757761.181775863.0914186.07Set RPA RPC0.9997825479-3°38'03"
2013748°58'05.68410"-114°28'09.88445"4138.041758118.257775587.8854188.44Set RPA RPC0.9997829971-3°38'07"
2013848°58'08.54950"-114°28'08.01088"4135.691758400.149775731.0594186.09Set RPA RPC0.999783591-3°38'05"
2013948°58'11.29670"-114°28'10.13405"4134.911758686.994775607.3294185.31Set RPA RPC0.9997840904-3°38'07"
North Fork Road 2020 RPA Survey Control Point Table (Continued)
Montana State Plane Coordinates (2500) NAD83(2011) International Foot Definition NAVD 88 Elevations*
PointLat (local)Long (local)HeightNorthingEastingElevatonDescriptionCSFConv.
2014048°58'15.70027"-114°28'14.86828"4139.021759152.419775320.3834189.42Set RPA RPC0.9997846356-3°38'10"
2014148°58'19.04826"-114°28'14.02994"4139.521759487.502775397.7254189.92Set RPA RPC0.9997851757-3°38'10"
2014248°58'23.35041"-114°28'16.77397"4133.551759934.250775242.6644183.94Set RPA RPC0.9997861862-3°38'12"
2014348°58'28.29012"-114°28'19.22662"4119.821760444.253775111.1124170.22Set RPA RPC0.9997876745-3°38'13"
2014448°58'32.51957"-114°28'22.07056"4123.701760884.075774948.9494174.10Set RPA RPC0.9997882031-3°38'15"
2014548°58'37.26630"-114°28'24.29665"4124.721761373.603774831.2584175.11Set RPA RPC0.9997889564-3°38'17"
2014648°58'40.51808"-114°28'26.55546"4118.221761712.064774701.7814168.62Set RPA RPC0.9997898159-3°38'19"
2014748°58'43.45904"-114°28'27.80673"4109.151762014.823774637.3904159.55Set RPA RPC0.9997907462-3°38'20"
2014848°58'46.05882"-114°28'30.66583"4096.891762289.883774463.7634147.28Set RPA RPC0.9997917714-3°38'22"
2014948°58'51.24973"-114°28'28.04735"4094.951762803.827774671.4824145.35Set RPA RPC0.9997927423-3°38'20"
2015048°58'55.39733"-114°28'29.22850"4100.051763228.335774619.5284150.45Set RPA RPC0.9997932011-3°38'21"
2015148°58'58.14430"-114°28'32.19500"4100.371763518.738774439.7114150.77Set RPA RPC0.9997936513-3°38'23"
2015248°59'00.84261"-114°28'32.91506"4090.021763794.706774409.1364140.42Set RPA RPC0.9997946027-3°38'23"
2015348°59'05.21923"-114°28'30.16459"4060.231764225.732774620.3944110.63Set RPA RPC0.9997967673-3°38'21"
2015448°59'07.63376"-114°28'26.02155"4032.881764452.409774911.7254083.28Set RPA RPC0.999798483-3°38'18"
2015548°59'10.94903"-114°28'24.42390"4023.831764780.970775039.4004074.23Set RPA RPC0.9997994778-3°38'17"
2015648°59'12.57841"-114°28'19.31194"4051.821764924.140775390.1684102.23Set RPA RPC0.9997984177-3°38'13"
2015748°59'16.50945"-114°28'20.88694"4058.381765328.411775310.6004108.78Set RPA RPC0.9997987724-3°38'15"
2015848°59'19.99584"-114°28'21.58608"4058.871765684.001775286.4794109.28Set RPA RPC0.9997993412-3°38'15"
2015948°59'22.99006"-114°28'25.26122"4058.551766002.406775061.1014108.95Set RPA RPC0.9997998658-3°38'18"
2016048°59'27.53471"-114°28'29.91812"4037.081766481.788774780.3574087.48Set RPA RPC0.9998016639-3°38'21"
2016148°59'32.35957"-114°28'31.54354"4015.221766976.682774703.2084065.63Set RPA RPC0.9998035288-3°38'22"
2016248°59'36.36995"-114°28'35.37174"3975.831767398.522774474.2094026.23Set RPA RPC0.9998060929-3°38'25"
2016348°59'39.99691"-114°28'36.11389"3960.561767768.515774448.1534010.97Set RPA RPC0.99980744-3°38'26"
2016448°59'42.20902"-114°28'40.83907"3944.561768012.272774147.8973994.97Set RPA RPC0.9998085811-3°38'29"
2016548°59'48.46258"-114°28'40.92963"3942.641768645.174774182.1243993.04Set RPA RPC0.9998097399-3°38'29"
2016648°59'53.79135"-114°28'41.87184"3946.911769188.146774153.7193997.32Set FHWA-See Monument Control Sheet0.9998104456-3°38'30"
2016749°00'03.68056"-114°28'42.10907"3932.911770189.402774201.5923983.32Set FHWA-See Monument Control Sheet0.9998128044-3°38'30"
2016849°00'00.66535"-114°28'41.82686"3930.821769883.231774200.9633981.23Set RPA RPC0.9998123885-3°38'30"
A47849°00'03.90137"-114°28'45.83527"3936.551770227.520773955.0403986.95Found NGS Benchmark PID#TN0053- Record Elevation: 3987.090.9998126685-3°38'33"
North Fork Road
PROJECT: North Fork of the Flathead RiverPROJECT UNITS: International Foot
DATE OF FIELD WORK: July 2020COORDINATE SYSTEM: Montana State Plane Coordinates (2500) NAD83(2011) International Foot
DATE OF FINAL ADJUSTMENT: July 2020EPOCH 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
Primary Control established with GPS static methods. RPC control set with conventional trig traverse methods:
Held OPUS return for CP 20103, with OPUS check on 20167
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. Held our work and showed difference on A478. Levels were NOT run through control.
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

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