955774 Addendum 3 Plans_Signed.pdf

PDF 453 KB Posted

Attached to
Bid No. 223035 Steel Couplings
Solicitation number
S-KS0043-00002458
Issued by
Marion County, Oregon

About this file

This is Addendum 3 to the design plans for the City of Eugene, Oregon's Project 955774, a quiet zone crossings infrastructure improvement project involving the 8th Avenue and Hilyard Street intersection, Annie Mims Lane, and the MGP parking lot. The addendum, dated April 6, 2022, consists of typical section drawings and site preparation and demolition details prepared by the Department of Public Works Engineering Division. The project involves pavement work including asphalt concrete paving with varying depths (ranging from 4 inches to 8 inches), concrete sidewalk installation, curb and gutter construction, and utility trench work for electrical conduit, storm pipe, and irrigation systems. The plans specify detailed cross-sections for multiple locations, including Annie Mims Lane (Station 1+00 to 12+22), 8th Avenue (Station 14+10 to 15+25), and various repair sections at the MGP lot and triangle lot. The project incorporates storm water management features including bioretention planters and permeable soil specifications, along with retaining wall and drilled shaft installation details.

The addendum emphasizes that all soils and surfaces produced by demolition, excavation, and trenching work are to be treated as contaminated soil, with disposal costs handled on a force account basis requiring the contractor to track tonnage. The contractor bears responsibility for verifying existing infrastructure locations prior to work commencement, with the City of Eugene assuming no liability for unmarked utilities. All work must comply with current City of Eugene amendments to Oregon Standard Specifications for Construction, the Construction Site Management Plan, and Administrative Rule R-5.645-D for erosion control outcomes. The plans include typical sections for pavement repair, aggregate working platforms, existing cap tie-in details, utility trench backfill specifications, and various structural connections. No work within the railroad right-of-way may proceed without prior City approval. Professional engineer Jordan Mitchell Vesper (Oregon PE No. 92053, expiration November 12, 2019) signed the plans.

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223035 Bid Tabulation.pdf PDF
223035 Bid Manual.pdf PDF
SAMPLE Goods Agreement~20.pdf PDF
223035 Notice Intent to Award.pdf PDF
Zoom Bid Opening Instructions 4.13.22~1.docx DOCX document

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PAVING

2" LEVEL 2, 1/2" DENSE ACP WEARING COURSE

6" LEVEL 2, 1/2" DENSE ACP BASE COURSE (IN TWO LIFTS)

12" 1 1/2"-0 AGGREGATE WORKING PLATFORM

TYPICAL SECTION - ANNIE MIMS LN

NTS

A

ANNIE MIMS LN STA: 10+00 TO STA: 12+22

ANNIE MIMS LN STA: 1+00 TO STA: 2+21

20'-30'

PROPOSED

CURB &

GUTTER

6'-10'

6'

2 2

SIDEWALK

4" CONCRETE WALK

1" 3/4"-0 AGG BASE

TYPICAL SECTION - MGP LOT

NTSC

MGP PARKING LOT

2" LEVEL 2, 1/2" DENSE

ACP WEARING COURSE

2" LEVEL 2, 1/2" DENSE

ACP BASE COURSE

EXISTING ACP CAP, 2-6" THICK

EXISTING AGG BASE,

THICKNESS VARIES

EXISTING GROUND

D

EXISTING SUBGRADE

1-1/2"-0 AGGREGATE BASE, 12"

THICK

2" LEVEL 2, 1/2" DENSE ACP

WEARING COURSE

2" LEVEL 2, 1/2" DENSE

ACP BASE COURSE

TYPICAL SECTION -

4" PAVEMENT REPAIR

NTS

EXISTING

SUBGRADE

2" LEVEL 2, 1/2" DENSE

ACP WEARING COURSE

6" LEVEL 2, 1/2" DENSE

ACP BASE COURSE

TRIANGLE LOT

VARIOUS LOCATIONS

E

TYPICAL SECTION -

8" PAVEMENT REPAIR

NTS

8TH AVE AND HILYARD ST

1-1/2"-0 AGGREGATE BASE, 12"

THICK

1-1/2"-0 AGGREGATE WORKING

PLATFORM, 12" MINIMUM

THICKNESS

PAVING

2" LEVEL 2, 1/2" DENSE ACP WEARING COURSE

6" LEVEL 2, 1/2" DENSE ACP BASE COURSE (IN TWO LIFTS)

12" 1 1/2"-0 AGGREGATE WORKING PLATFORM

TYPICAL SECTION - 8TH AVE

NTS

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8TH AVE STA: 14+10 TO STA: 15+25

31'

PROPOSED

CURB &

GUTTER

5'-6'

7'-8'

2 2

SIDEWALK

4" CONCRETE WALK

1" 3/4"-0 AGG BASE

BORROW SOIL - THICKNESS

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SITE PREPARATION AND DEMO TYP SECTIONS

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GENERAL DEMOLITION NOTES

1. CONTRACTOR IS RESPONSIBLE FOR VERIFYING THE LOCATION OF ALL EXISTING

INFRASTRUCTURE PRIOR TO ANY WORK. THE CITY OF EUGENE ASSUMES NO

RESPONSIBILITY FOR EXISTING INFRASTRUCTURE OR UTILITY LOCATIONS SHOWN OR

NOT SHOWN ON THIS PLAN.

2. ALL SOILS AND SURFACES PRODUCED BY THE DEMOLITION, EXCAVATION AND

TRENCHING WORK SHOWN FOR PHASE 1 ARE TO BE TREATED AS CONTAMINATED SOIL.

3. THE PAYMENT FOR DISPOSAL OF CONTAMINATED SOIL WILL BE FORCE ACCOUNT.

CONTRACTOR TO KEEP TRACK OF TONNAGE OF ALL CONTAMINATED SOIL LEAVING SITE.

4. CONTRACTOR SHALL ADHERE TO THE CONSTRUCTION SITE MANAGEMENT PLAN AND

EROSION PREVENTION DETAILS FOR THIS PROJECT. CONTRACTOR SHALL TAKE ALL

MEASURES NECESSARY TO COMPLY WITH ADMINISTRATIVE RULE #R-5.645-D OUTCOMES

FOR EROSION CONTROL.

5. ALL CONSTRUCTION SHALL COMPLY WITH THE CURRENT CITY OF EUGENE AMENDMENTS

TO THE CURRENT OREGON STANDARD SPECIFICATIONS FOR CONSTRUCTION AND ANY

SPECIAL SPECIFICATIONS ATTACHED TO THE BID DOCUMENTS.

6. CONTRACTOR IS RESPONSIBLE TO REPLACE THE EXISTING CONCRETE CAP AT OR

BELOW THE EXISTING GRADE IN ORDER TO ACHIEVE THE REQUIRED FINAL PRODUCT.

7. THERE SHALL BE NO WORK WITHIN THE RAILROAD ROW UNTIL THE CITY OF EUGENE

RECEIVES THE NECESSARY APPROVAL TO DO SO.

4" ASPHALT CONCRETE

PAVEMENT

NEW CURB AND

GUTTER

AGGREGATE WORKING

PLATFORM, 12" MIN.

EXISTING ACP CAP,

2"-6" THICK

EX AGGREGATE

BASE

EXISTING

SUBBASE

1' WIDE PLANTER CURB

- SEE RD 700(D)

STORM WATER

BLEND SOIL 1.5'

DEPTH

IMPERMEABLE

MEMBRANE

6" BENCH FOR STABILITY

PER RD 700 (D)

SAWCUT EXISTING

CAP MIN. 2' FROM

PROPOSED PLANTER

WALL EDGE

ACP CAP

REPLACEMENT, 3"

THICK, SEE DEMO

SHEETS

ACP CAP REPLACEMENT, 3"

THICK, SEE DEMO SHEETS

EXISTING

SUBBASE

PROPOSED

STRUCTURE; STORM

INLET, MANHOLE,

CATCH BASIN

EXISTING ACP CAP,

2"-6" THICK

EX AGGREGATE

BASE

BORROW SOIL ,

THICKNESS VARIES

AGGREGATE WORKING

PLATFORM, 12" MIN.

AGGREGATE WORKING

PLATFORM

SAWCUT EXISTING

CAP MIN. 2' FROM

STRUCTURE EDGE

SAWCUT EXISTING CAP MIN.

2' FROM PROPOSED

STRUCTURE EDGE

SURFACE TREATMENT

VARIES: LANDSCAPE,

ASPHALT OR CONCRETE

(SEE PLAN SHEETS)

SURFACE TREATMENT

VARIES: LANDSCAPE,

ASPHALT OR CONCRETE

(SEE PLAN SHEETS)

SURFACE TREATMENT VARIES:

LANDSCAPE OR CONCRETE

(SEE PLAN SHEETS)

BORROW SOIL ,

THICKNESS VARIES

EXISTING ACP CAP,

2"-6" THICK

EX AGGREGATE

BASE

SAWCUT EXISTING CAP MIN.

2' FROM PROPOSED

STRUCTURE EDGE

SAWCUT EXISTING CAP MIN.

2' FROM PROPOSED

STRUCTURE EDGE

AGGREGATE WORKING

PLATFORM

ACP CAP REPLACEMENT,

3" THICK, SEE DEMO

SHEETS

EXISTING

SUBBASE

SURFACE TREATMENT

VARIES: LANDSCAPE,

AGGREGATE OR CONCRETE

(SEE PLAN SHEETS)

PROPOSED RETAINING

WALL

*NOTE:

CONSTRUCT ENOUGH RETAINING WALL BLOCK LAYERS TO GET ABOVE

EXISTING GRADE, PAVE BACK EXISTING CAP FLUSH WITH THE WALL.

*NOTE:

PLACE STRUCTURE AT FINISH GRADE, PAVE BACK EXISTING CAP FLUSH

WITH STRUCTURE, BACKFILL ON TOP OF ACP CAP WITH WORKING PLATFORM

OR BORROW SOIL TO ACHIEVE FINAL FINISH GRADE

SPECIALTY BACKFILL BEHIND

WALL, SEE PLAN SHEETS AND

SPECIALS

SURFACE TREATMENT

VARIES: LANDSCAPE, OR

CONCRETE (SEE PLAN

SHEETS)

SURFACE TREATMENT

VARIES: LANDSCAPE OR

CONCRETE (SEE PLAN

SHEETS)

AGGREGATE WORKING

PLATFORM, 12" MIN.

EXISTING ACP CAP,

2"-6" THICK

EX AGGREGATE

BASE

BORROW SOIL ,

THICKNESS VARIES

DRILLED SHAFT, POUR BACK

AGAINST EXISTING ACP CAP

USE FORMS IN THE

PORTION ABOVE EXISTING

GRADE TO ACHIEVE

SMOOTH ROUND FINISH

PRODUCT; REMOVE

FORMS ONCE PROPERLY

CURED

EX AGGREGATE

BASE

EXISTING ACP CAP,

2"-6" THICK

BORROW SOIL ,

THICKNESS VARIES

EXISTING

SUBBASE

*NOTE:

PLANTER CURB TO BE POURED SEPARATE OF CURB AND GUTTER AND

ANY CONCRETE SURFACING IN ORDER TO PAVE BACK ACP CAP.

CONTRACTOR CAN ELECT TO PUT BACK ACP CAP WITH CONCRETE.

SURFACE TREATMENT

VARIES: LANDSCAPE,

ASPHALT OR CONCRETE

(SEE PLAN SHEETS)

TRENCHING FOR ELECTRICAL CONDUIT,

STORM PIPE AND IRRIGATION

TRENCH BACKFILL, SEE CITY OF EUGENE

STANDARD DRAWINGS AND PROJECT SPECIALS

AGGREGATE WORKING

PLATFORM, 12" MIN.

AGGREGATE WORKING

PLATFORM, 12" MIN.

SAWCUT EXISTING

CAP MIN. 2' FROM

STRUCTURE EDGE

EXISTING ACP CAP,

2"-6" THICK

EX AGGREGATE

BASE

EXISTING

SUBBASE

SAWCUT EXISTING CAP MIN.

2' FROM PROPOSED

STRUCTURE EDGE

ACP CAP REPLACEMENT, 3"

THICK, SEE DEMO SHEETS

EXISTING

SUBBASE

ACP CAP REPLACEMENT, 3"

THICK, SEE DEMO SHEETS

AGGREGATE WORKING

PLATFORM, 12" MIN.

8" INCH LEVEL 2 ASPHALT

CONCRETE PAVEMENT

PLANTER TIE-IN DETAIL

NTS

STORM STRUCTURE TIE-IN DETAIL

NTS

RETAINING WALL TIE-IN DETAIL

NTS

*NOTE:

PERFORM DRILLED SHAFT WORK TO REQUIRED DEPTH. CONCRETE USED ON

THE DRILLED SHAFT CAN ACT AS THE SEAL FOR THE EXISTING ACP CAP

DRILLED SHAFT TO CAP DETAIL

NTS

*NOTE:

TRENCH INTO EXISTING TO OBTAIN REQUIRED DEPTH BELOW PROPOSED

FINISH GRADE. PLACE IMPERMEABLE MEMBRANE IN TRENCH TO SEAL

TRENCH FROM EXISTING. PAVE BACK EXISTING ACP CAP. IN CASES

WHERE IT IS POSSIBLE PLACE NEW UTILITIES ON TOP OF ACP CAP IN

ORDER TO AVOID CUTTING INTO CAP.

UTILITY TRENCH TIE-IN DETAIL

NTS

IMPERMEABLE

MEMBRANE

*NOTE:

SAW CUT EXISTING CAP IN LOCATIONS NOTED BY THE DEMO AND SITE

PREPARATION PLANS. THE GRADE OF THE ACP CAP WILL BE LOWERED IN

SPOTS TO ACHIEVE PROPER PROPOSED ROAD STRUCTURE DEPTH.

EXISTING CAP TIE-IN DETAIL

NTS

ACP CAP

REPLACEMENT, 3"

THICK, SEE DEMO

SHEETS

3" CAP REPLACEMENT TYP SECTION

NTS

AGGREGATE WORKING

PLATFORM

AGGREGATE BACKFILL,

DEPTH VARIES

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955774 SH TYP SECTIONS-5
955774 SH D DEMO & EX CON-8
2022-04-06T09:07:20-0700
Jordan Vesper
2022-04-06T09:06:52-0700
Jordan Vesper

File details come from the government source that posted it. Updated .