KYL_Lock_Excavation201_May2018_Industry_Day_Part_1.pdf

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“The views, opinions and findings contained in this report are those of the authors(s) and should not be construed as an official Department of the Army position, policy or decision, unless so designated by other official documentation.”

Nashville District May 2018

KENTUCKY LOCK ADDITION

DOWNSTREAM LOCK EXCAVATION

File Name

2Downstream Lock Excavation Industry Day Agenda

• Contract Briefings

• Questions and Answers

• Safety Briefing

• Site Walk-thru

• Close-out session with Q&A’s and summary of action items

3Downstream Lock Excavation Industry Day

Briefing Agenda

• Opening and Purpose of Visit – Jessica Baker, Contract Specialist

• Project and Contract Overview – Don Getty, Project Manager

• Geology/Rock Excavation/Grouting, Geotechnical, and Instrumentation

– Mark Elson, KY Lock Lead Geologist

• Strand anchors, stoplog slots, gratings, bridge demolitions and modifications, maintenance building – Barney Schulte, KY Lock Technical Lead

• Contractor work areas, coordination with other contractors, and safety briefing – Jeremiah Manning, Resident Engineer

• Split CLINs – Jessica Baker

• Q&A’s

• Bid Schedule and Measurement & Payment

• Questions can be submitted until May 25, 2018 but none of these Questions will be posted to FBO, only those discussed today.

4Downstream Lock Excavation Major Contract Characteristics

• Full and Open Solicitation

• Invitation for Bids

• Post Solicitation by July 9, 2018

• Plan for at least a 45 day Solicitation period, probably longer.

• Award by September 30, 2018.

• Base with 11 Options

• Solely due to fiscal year funding constraints

• Scope of options is not on Plans – only in 01 00 00 and Bid

Schedule. Designed to easily change scope of Base & Options prior to advertising.

• Period of Performance – Approximately 3 years, still refining.

• Disclosure of Magnitude - $25M to $100M

• Contract scope includes completion of Downstream Cofferdam and dewatering its pit.

• SAM

5Downstream Lock Excavation Project and Contract Overview

• Key Points

• This powerpoint will be posted on FBO along with Q&A’s discussed today.

• Pls hold Questions until the bitter end of the presentations

• Our intent is to tell you some of the “Why” we are doing what we propose - in the hope this helps you to provide input to make this a better contract.

• We will try to identify some of the known holes in the Plans and Specifications and hope you point out any you see.

BUILDING STRONG®

Lock Addition Alignment

New Hwy and RR Bridges New Transmission Towers

Upstream Cofferdam

Upstream Lock Monoliths

Kentucky Lock Addition Completed Features

Location of Ongoing Downstream Cofferdam

Kentucky Lock Addition

-$1.25B Total Project Cost -$450M Expended to Date -2024 Earliest Project Completion Date

Downstream Cofferdam

Downstream Cofferdam

-Contractor: Johnson Bros.

-$67.1M Award -Award: September 2016 -Complete: February 2020

Downstream Cofferdam

Modify Upstream Bridge

Demo Shop addition on Existing Ops Bldg

Site, Demolition, and Utilities (SDU) Contract $4.1M to Intec Completion Date

Relocate Sanitary Sewer

Relocate Electrical and Control Lines

Existing Water and Sewer

Relocated Sewer Line

Catwalk on 3 sides of Ops Bldg

New Sewage Lift Station

Cantelevered Utility Systems

Note: All pipe support systems in SDU have been designed to accommodate the 8” water line relocation.

13Known Holes Part 1

• SDU Drawings forthcoming inclusion in P&S:

• Final details of pipe support systems including those cantilevered off the back of the lock wall

• Grading plan for area of demolished lock operations building shop addition

• Constraining dimensions of awning at Lock Operations

Building

KY Lock Funding History

$0

$10

$20

$30

$40

$50

$60

FY02 FY03 FY04 FY05 FY06 FY07 FY08 FY09 FY10 FY11 FY12 FY13 FY14 FY15 FY16 FY17

M illi on s

Annual Funding Allocations

Net Allocations

Last Year in Budget

ARRA $88.9M

$27.5M Exercise DS Cofferdam Options

CY 14 – 2 Major positive game changers to IWTF by Congress

$0 in

FY14

15Efficient Funding as Presented at Inland Waterways User Board on

1 March 2018 Goal: Exercise as many Options as possible with FY Funding and make full use of FY funding

Note: Above funding amounts for KY Lock are for many purposes, not just for this or other contracts.

LOCK EXCAVATION BASE

Downstream Cofferdam Contract

Maintenance Building Demolition

New Maintenance Building

Bridge Demolition

Land Wall Instrumentation and Vertical Anchors

Overburden Excavation

Landwall Grating and Crane Prepositioning

Schedule Constraints Prior to significant overburden excavation:

1) New Maint Bldg and demo existing

2) Fully functioning landwall instruments & vertical anchors

3) LW grating and crane prepositioning

4) Demo of land spans of 3 bridges

5) 8” water line relocation Bridge Demolition

1) No lock closures allowed except during 24 day closure in Aug 2019.

Slide 17

Olmsted Project Terex Crane to be re-furbished and placed on Lock Wall. Available March 2019.

LOCK EXCAVATION OPTION 11

8” Water Main Relocation

Schedule Constraints

1) Corps exercises relocation contract with N. Marshall Utility District

2) Exercise Option by April 2019

LOCK EXCAVATION OPTION 1

Land Wall Vertical Anchors

Lower section may not be accessible until JB completes DS Cofferdam

Schedule Constraints

1) None except access noted below

LOCK EXCAVATION OPTION 2

Land Wall Angled Strand Anchors

Schedule Constraints

1) Overburden excavation down to elevation 330.

LOCK EXCAVATION OPTION 3

Land Wall Angled Strand Anchors

Schedule Constraints

1) Overburden excavation down to elevation 330.

2) Grouting must be completed prior to angled anchor drilling

LOCK EXCAVATION OPTION 4

Specialized Treatment Zone Grouting

Schedule Constraints

1) Overburden excavation down to elevation 330.

LOCK EXCAVATION OPTION 5

Downstream Stoplog Slots

Schedule Constraints

1) No lock closures allowed except during 24 day scheduled outage, currently scheduled from 6 to 30 August 2019.

LOCK EXCAVATION OPTION 6

Phase 2 Overburden Excavation

Schedule Constraints

1) JB Downstream Cofferdam activities could affect some of this area.

LOCK EXCAVATION OPTION 7

Phase 1 Rock Excavation

Schedule Constraints

1) Overburden excavation must be completed.

2) If this rock excavation is performed prior to dewatering DS Cofferdam, then tailwater elevations could impact limits of excavation.

LOCK EXCAVATION OPTION 8

Downstream Cofferdam Grouting, Instrumentation and Vertical Anchors

Schedule Constraints

1) JB Downstream Cofferdam activities must have progressed to allow access for all of these activities. This should not be anticipated before 31 March 2020.

LOCK EXCAVATION OPTION 9

Phase 3 Overburden Excavation, Phase 2

Rock Excavation

Schedule Constraints

1) Dewatering cannot commence until completion of a) grouting,

b) fully functioning instrumentation system; and

c) vertical anchors in M22 and M23.

LOCK EXCAVATION OPTION 10

Phase 3 Rock Excavation

29POP Based on Date to Exercise Options Funds Typically Received in June-July of FY

Options Exercised within a few days of receipt of Funds

Option No. Date

Period of Performance if exercised on or before this date

POP if exercised after this date

Calendar Days Calendar Days Base NA 400 NA

1 1-Mar-19 0 90 2 1-Sep-19 0 30 3 30-Sep-19 60 NA 4 30-Sep-19 150 NA 5 30-Sep-19 0 NA 6 30-Sep-19 0 NA 7 1-Feb-20 60 120 8 30-Sep-19 150 NA 9 30-Sep-20 150 NA 10 30-Sep-20 120 NA 11 15-Feb-19 0 NA

Kentucky Lock Downstream Lock Excavation Period of Performance by Option

STRATIGRAPHY

TOP OF ROCK

Top of Rock at Upstream Cofferdam

Rock Excavation at Upstream Monolith Construction

ROCK EXCAVATION FOR UPSTREAM MONOLITHS 34

U/S LOCK EXCAVATION – AUGUST 2010 –

ROCK PINNACLES

Slide 35

LOCK EXCAVATION – MAY 2011

Slide 36

EXCAVATION CROSS SECTION AT 6+00

EXCAVATION CROSS SECTION AT 10+00

DOWNSTREAM GROUT CURTAIN

KENTUCKY LOCK DISPOSAL AREAS 41

Area D (Primary)

Area A (Backfill Stockpile)

EXISTING INSTRUMENTATION

Existing system on US Cofferdam and existing land wall to Monolith EL13

NEW INSTRUMENTATION – EX. LOCK

Alignment Pins (2 per monolith) Tiltmeters Jointmeters Relative Block Movement Device (RBMD) Saw Cuts Load Cells (1 per monolith)

Typical installation pattern

INSTRUMENTATION – DS COFFERDAM

Alignment Pins (2 per monolith) Tiltmeters Jointmeters Relative Block Movement Device (RBMD) Saw Cuts Piezometers Inclinometers

INSTRUMENTATION – DS COFFERDAM

Alignment Pins (2 per cell) Piezometers Inclinometers

DATALOGGING EQUIPMENT

Datalogger

Solar Panel to power dataloggers

SPECIAL CONTRACT REQUIREMENTS

Section 00 73 00 - Supplementary Conditions

SPECIAL CONTRACT REQUIREMENTS

VARIATIONS IN ESTIMATED QUANTITIES — SUBDIVIDED ITEMS (MAR 1995)

This variation in estimated quantities clause is applicable only to item Nos.

XXXXXXXXXX

(a) Variation from the estimated quantity in the actual work performed under any second or subsequent sub-item or elimination of all work under such a second or subsequent sub-item will not be the basis for an adjustment in contract unit price.

(b) Where the actual quantity of work performed for item Nos. _______is less than 85% of the quantity of the first sub-item listed under such item, the contractor will be paid at the contract unit price for that subitem for the actual quantity of work performed and, in addition, an equitable adjustment shall be made in accordance with the clause Federal Acquisition Regulation (FAR) 52.211-18, Variation in Estimated Quantities.

(c) If the actual quantity of work performed under item Nos. _______exceeds 115% or is less than 85% of the total estimated quantity of the sub-item under that item and/or if the quantity of the work performed under the second sub-item or any subsequent sub-item under item Nos. ______exceeds 115% or is less than 85% of the estimated quantity of any such sub-item, and if such variation causes an increase or a decrease in the time required for performance of this contract the contract completion time will be adjusted in accordance with the clause FAR 52.211-18, Variation in Estimated Quantities.

BID ITEM DESCRIPTION

SPECIFICA

TION

NUMBER

EST.

QTY. UNIT

UNIT

PRICE

ESTIMATED

AMOUNT

01 Div 01; General Requirements

0101-04 Mobilization and Demobilization - General 01 22 00 1 Job

0102-04 Premiums for Performance and Payment Bonds 01 22 00 1 Job $ $ 0103-04 Maintenance and Protection of Traffic 01 50 00 1 Job $ $ 0105-04 Diversion and Care of Water (U/S Monoliths) 01 57 24 Month $ $

02 Div 02; Existing Conditions 0208 Core Drilling 02 32 00

0209A-04 First 794 Linear Feet 02 32 00 794 LF $ $ 0209B-04 Over 794 Linear Feet 02 32 00 198 LF $ $

13 Div 13; Special Construction 1303-04 O&M Phase 1 Instrumentation Program 13 50 00 Month $ $

31 Div 31; Earthwork

GROUTING

3140 Drill Grout Holes in Rock 31 32 23 3140A-04 First 5,747 Linear Feet 31 32 23 5,747 LF $ $ 3140B-04 Over 5.747 Linear Feet 31 32 23 992 LF $ $

Kentucky Lock Downstream Lock Excavation, W912P5-18-B-0005 Option 4 Bid Schedule Specialized Grouting

ADJUSTMENT IN CONTRACT UNIT PRICE FOR

SECOND SUB-ITEMS (PARAGRAPH A)

(a) Variation from the estimated quantity in the actual work performed under any second or subsequent sub-item or elimination of all work under such a second or subsequent sub-item will not be the basis for an adjustment in contract unit price.

EQUITABLE ADJUSTMENT (PARAGRAPH B)

(b) Where the actual quantity of work performed for item Nos. _____________ is less than 85% of the quantity of the first sub-item listed under such item, the contractor will be paid at the contract unit price for that sub-item for the actual quantity of work performed and, in addition, an equitable adjustment shall be made in accordance with the clause Federal Acquisition Regulation (FAR) 52.211-18, Variation in Estimated Quantities.

TIME ADJUSTMENT (PARAGRAPH C)

• Actual QTY > 115% or <85% total estimated QTY (992LF) <843LF or >1,140LF

And/or

• Actual QTY > 115% or <85% second sub-item estimated

QTY (198) <168LF or >227LF and if such variation causes an increase or a decrease in the time required for performance of this contract the contract completion time will be adjusted in accordance with the clause FAR 52.211-18, Variation in Estimated Quantities.