Addendum No. 1 LINTON FINAL.pdf

707 Ashmun Street Sault Ste. Marie, MI 49783

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U.P. Engineers & Architects, Inc.

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[M12-02386]

ADDENDUM NO. 1

LINTON CREEK CULVERT REPLACEMENT

MCMILLAN TOWNSHIP, LUCE COUNTY, MI

ADDENDUM NO. 1 is issued November 1, 2022, to clarify, modify, and/or change the original plans and specifications issued by UP Engineers and Architects. This ADDENDUM NO. 1 is hereby made part of the Contract Documents for the contract noted below.

File No. 751/21232.ABG, Linton Creek Culvert Replacement

Please acknowledge receipt of this ADDENDUM NO. 1 on the appropriate blank on the Bid Form and also include this addendum with the bid package.

GENERAL

• See attached pre-bid walk-through sign-in sheet.

• The EGLE permit application has been submitted for each location and is still being reviewed by EGLE.

• See attached soil borings for each location.

• The contractor may utilize sand from the DNR owned borrow pit just west of Linton

Creek Crossing. The soil is considered to be MDOT Class II sand. Borrow pit shall be brought back to original condition. It will be the contractor's responsibility to return all roads to original or better condition. It will also be the contractor's responsibility to make any impassable roads accessible for the construction.

SPECIFICATIONS

• SECTION 00200 INFORMATION FOR BIDDERS – 7.1 Schedule of Values: Separate schedule of values shall be provided for each crossing. The schedule of values must be approved by the Professional and accepted……

PLANS

• G001 – Add the following notes.

o Otto Brandt Creek

A staging area is available directly to the east of the bridge.

o Penny Creek and Savage Creek

The existing steel bridges each weigh approximately 35,000 pounds.

o Savage Creek

The existing easement for this crossing is 66' or 33' each side of the centerline of the road

• OTTO BRANDT AND SAVAGE CREEK - C501 –

o Detail D4 SECTION @ ABUTMENT - 2” OAK OR DF WEAR COURSE o Detail A4 – ABUTMENT DETAIL – (3)/#6 BARS CONTINUOUS IN MDOT S1

CONCRETE POUR

END OF ADDENDUM NO. 1

Prepared by:

U.P. Engineers & Architects, Inc

FIELD LOG

mid

PROJECT Linton Creek Culvert DATE STARTED 6/15/22 DRILLER BM JOB NO. M12-02386 DTMB LOCATION Newberry, MI – Luce County DATE COMPLETED 6/15/22 HELPER EB BORING NO. SB-1

SAMPLE

NO.

DEPTH (ft) DRILLING

OR

SAMPLING

METHOD

SPLIT SPOON BLOWS

SAMPLE DESCRIPTION

FROM TO 0"-6" 6"-12" 12"-18" 18"-24"

SB-1 2.5’ 4.0’ S/S 2 1 3 Fine sand with trace silt

5.0’ 6.5’ S/S 6 6 11 Medium / Coarse sand w/ trace gravel – (stone in spoon tip)

7.5’ 9.0’ S/S 2 3 5 Coarse sand w/ trace gravel

10.0’ 11.5’ S/S 2 4 5 Coarse sand w/ trace gravel

15.0’ 16.5’ S/S 6 11 16 Clean uniform medium sand

20.0’ 21.5’ S/S 11 16 17 Clean uniform medium sand

25.0’ 26.5’ S/S 14 24 28 Clean uniform medium sand

30.0’ 31.5’ S/S 40* Mixed gravels & fractured Limestone – (spoon would not penetrate – bounce after 6”)

*31.0’ Tri-cone Could not advance Tri-cone bit (*refusal) – grind on solid rock

BACKFILL METHOD WATER LEVEL OBSERVATION

NATURAL SOILS WL: . WS or WB

CEMENT GROUT WL: . AFTER BORING

BENTONITE & CEMENT WL: . HRS/AFTER BORING

OTHER Pavement Patched w/ Blacktop PAGE OF

PROJECT Otto Brandt Bridge DATE STARTED 6/14/22 DRILLER BM JOB NO. M12-02386 DTMB LOCATION Newberry, MI - Luce County DATE COMPLETED 6/15/22 HELPER EB BORING NO. SB-1

DEPTH (ft) DRILLING

OR

SAMPLING

METHOD

SPLIT SPOON BLOWS

SAMPLE DESCRIPTION

FROM TO 0"-6" 6"-12" 12"-18" 18"-24"

SB-1 2.5’ 4.0’ S/S 1 1 1 Black silty / topsoil mixed with sand

5.0’ 6.5’ S/S 3 5 5 Clean white medium sand

7.5’ 9.0’ S/S 4 2 4 Saturated medium / fine sand

10.0’ 11.5’ S/S 1 1 2 10’-11’ sand / gravel 11’-11.5’ fine silty clay

15.0’ 16.5’ S/S 2 4 3 Fine Silty Clay

20.0’ 21.5’ S/S 1 1 1 Fine Silty Clay

25.0’ 26.5’ S/S 1 1 2 Fine Silty Clay

30.0’ 31.5’ S/S 1 0 1 Fine Silty Clay

35.0’ 36.5’ S/S 1 1 1 Fine Silty Clay

40.0’ 41.5’ S/S 1 0 1 Fine Silty Clay

42.5’ Auger Drilling starting to firm up (tighter / harder material)

*43.0’ Auger Could not advance drill steel (*refusal) grind on flat solid rock refusal

NATURAL SOILS WL: 7 . 58’ WS or WB

CEMENT GROUT WL: . AFTER BORING

PROJECT Penny Creek Bridge DATE STARTED 6/15/22 DRILLER BM JOB NO. M12-02386 DTMB LOCATION Newberry, MI - Luce County DATE COMPLETED 6/16/22 HELPER EB BORING NO. SB-1

DEPTH (ft) DRILLING

OR

SAMPLING

METHOD

SPLIT SPOON BLOWS

SAMPLE DESCRIPTION

FROM TO 0"-6" 6"-12" 12"-18" 18"-24"

SB-1 2.5’ 4.0’ S/S 8 19 14 Wood timber & dark silt

5.0’ 6.5’ S/S 1 1 1 Black silty material with organics

7.5’ 9.0’ S/S 4 6 5 7.5’-7.67’ dark silt – then medium sand to 9.0’

10.0’ 11.5’ S/S 3 3 4 Fine silty clay

15.0’ 16.5’ S/S 1 1 0 Fine Silty Clay

20.0’ 21.5’ S/S 1 1 2 Fine Silty Clay

25.0’ 26.5’ S/S 2 1 1 Fine Silty Clay

30.0’ 31.5’ S/S 0 1 1 Fine Silty Clay

35.0’ 36.5’ S/S 1 1 1 Fine Silty Clay (37’ – 40’ drilling had multiple firm seams – possible start of sand )

40.0’ 41.5’ S/S 16 24 26 Clean uniform light-colored medium sand

45.0’’ 46.5’ S/S 20 25 27 Clean uniform light-colored medium sand

50.0’ 51.5’ S/S 3 3 3 Fine Silty Clay

CEMENT GROUT WL: . AFTER BORING

PROJECT Savage Creek Bridge DATE STARTED 6/29/22 DRILLER BM JOB NO. M12-02386 DTMB LOCATION Newberry, MI - Luce County DATE COMPLETED 6/30/22 HELPER EB BORING NO. SB-1

DEPTH (ft) DRILLING

OR

SAMPLING

METHOD

SPLIT SPOON BLOWS

SAMPLE DESCRIPTION

FROM TO 0"-6" 6"-12" 12"-18" 18"-24"

SB-1 2.5’ 4.0’ S/S 3 6 9 Fine Sand with trace Gravel

5.0’ 6.5’ S/S 1 1 4 Wood / Fine Sand (old bridge ?)

7.5’ 9.0’ S/S 4 5 5 Fine / Medium Sand (saturated)

10.0’ 11.5’ S/S 4 4 4 Fine / Medium Sand

15.0’ 16.5’ S/S 3 2 3 Silty Fine Sand

20.0’ 21.5’ S/S 4 1 2 Silty Fine Sand

25.0’ 26.5’ S/S 4 4 5 Medium / Fine Sand

30.0’ 31.5’ S/S 1 0 1 Fine Silty Clay

35.0’ 36.5’ S/S 1 0 1 Fine Silty Clay

40.0’ 41.5’ S/S 0 1 1 Fine Silty Clay

45.0’’ 46.5’ S/S 0 1 1 Fine Silty Clay (drilling 46.5’ to 50’ had firm seams – possible start of tight fine sand)

50.0’ 51.5’ S/S 21 31 28 Uniform clean fine sand

CEMENT GROUT WL: . AFTER BORING