KYL_Lock DSLM_4May2021 PreBid Presentation.pdf

KENTUCKY LOCK ADDITION

DOWNSTREAM LOCK

MONOLITHS

Nashville District May 4, 2021

Downstream Lock Monoliths Virtual Pre-bid Site Visit Agenda

• Contract Briefings

• Project Overview

• Questions and Answers

• Site Visit & Safety Briefing (May 6, 2021)

• Opening, Purpose of Visit and Solicitation Overview – Stephen Hutchens, Contract Officer and Eugenia Corder, Contracting Specialist

• Project and Contract Overview – Zach Langel, Project Manager

• Main Scope Items, Concrete Monoliths, Backfill, Site Development, Miter Gates, Miscellaneous Metals – Bernard Schulte, KY Lock Technical Lead

• Geology/Rock Excavation/Grouting and Instrumentation – Mark Elson, KY Lock Lead Geologist

• Access, work limits, coordination with other contractors, contract administration and site visit discussion – Jeremiah Manning, Resident Engineer

• Q&A’s

• Questions can be submitted until May 10, 2021

Virtual Pre-bid Site Visit Agenda

Solicitation Summary

• Please Sign-In (attendance roster will be posted to www.beta.sam.gov this week)

• Questions during today’s site visit- We will address any questions to the best of our ability, but anything said today is not official unless it is in writing in the issued amendment to this solicitation.

• All amendments will be posted publicly on www.beta.sam.gov.

• Solicitation Walkthrough

Major Contract Characteristics

• Award by September 30, 2021.

• Base with 7 Options

• Period of Performance – 5 years.

• Contract scope includes completion of Downstream Lock Monoliths and fabrication and installation of Miter Gates.

Downstream Lock Excavation Project and Contract Overview

• Key Points

• This PowerPoint will be posted on beta.sam.gov along with Q&A’s discussed today.

• Please 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 and describe key elements - in the hope this helps you to provide input to make this a better contract.

• Amendments

PROJECT FUNDING

Project is funded 35% Inland Waterways Trust Fund (IWTF) and 65% Federal Appropriations. IWTF revenues generated from tax on marine diesel fuel.

One of highest priority construction project for IWTF funding.

Like many inland navigation projects, Kentucky Lock is not currently eligible for the President’s Budget due to Benefit- Cost Ratio requirements. Project has received efficient annual funding through USACE workplans from FY15 to present.

Downstream Lock Monoliths - contract award anticipated for September 2021

(FY21).

Anticipate exercising all Options in FY22 and FY23.

Information as of 04 May 2021

Lock Addition Alignment

New Transmission Towers

Upstream Cofferdam

Upstream Lock Monoliths

Downstream Cofferdam

Kentucky Lock Addition

-$1.25B Total Project Cost -$550M Expended to Date

Location of ongoing Lock Excavation

Kentucky Lock Addition Completed and Ongoing Projects

New Hwy and RR Bridges

MAJOR SCOPE ITEMS

- Concrete Batch Plant – Establish on-site plant and delivery system

- Overburden Excavation – approx. 30,000 cubic yards within the cofferdam

- Rock Excavation – approx. 40,000 cubic yards within the cofferdam

- Drilled Shafts – twenty (20) 60-inch diameter

- Concrete Monoliths – 56 monoliths, approx. 375,000 cubic yards

- Rock and Soil Backfill – approx. 332,000 cubic yards

- Grout Curtain – approx. 25,000 LF of curtain within lock chamber

- Miter Gates – Fabricate, deliver, and install downstream miter gates

- Upstream Bulkheads – complete upstream stoplog and culvert bulkheads

- Instrumentation System – Operate, maintain, and monitor

- Advanced Modeling Package – as part of as-builts

SCOPE OF WORK - BASE

Major Scope Items – Base:

- Establish on-site Batch Plant and Delivery System

Major Scope Items – Base:

- Establish on-site Batch Plant

- Remaining Overburden and Rock Excavation – including Checkerboarding

Major Scope Items – Base:

- Establish on-site Batch Plant

- Remaining Rock Excavation – including Checkerboarding

- Monoliths L-9 to L32 and M6 to M32 – up to EL 310.0

Major Scope Items – Base:

- Establish on-site Batch Plant

- Remaining Rock Excavation – including Checkerboarding

- Monoliths L-9 to L32 and M6 to M32 – up to EL 310.0

- Fabricate and Deliver Downstream Miter Gates

Major Scope Items – Base:

- Establish on-site Batch Plant

- Remaining Rock Excavation – including Checkerboarding

- Monoliths L-9 to L32 and M6 to M32 – up to EL 310.0

- Downstream Miter Gates

- Complete Upstream Bulkhead Slots

BASE – CONCRETE MONOLITHS

Monoliths:

M-6 to M-32 – below EL. 310.0 L-9 to L-24 – below EL. 303.0 L-25 to L-32 – below EL. 310.0

OPTION 1 – CONCRETE MONOLITHS

Monoliths:

M-25 to M-32 – EL. 310.0 to 340.0 L-25 to L-32 – EL. 310.0 to 340.0

OPTION 2 – CONCRETE MONOLITHS

Monoliths:

M-6 to M-24 – EL. 310.0 to 340.0

OPTION 3 – CONCRETE MONOLITHS

Monoliths:

M-25 to M-32 – EL. 340.0 to Top L-25 to L-32 – EL. 340.0 to Top

OPTION 4 – CONCRETE MONOLITHS

Monoliths:

L-9 to L-24 – additional below EL. 303.0 L-9 to L-24 – EL. 303 to 347.0 L-9 to L-24 – EL. 347.0 to Top

OPTION 5 – CONCRETE MONOLITHS

Monoliths:

M-6 to M-24 – additional EL. 310.0 to 340.0 M-6 to M-24 – EL. 340.0 to Top

OPTION 7 – CONCRETE MONOLITHS

Monoliths:

L-9 to L-24 – EL. 347.0 to Top

CONCRETE MONOLITHS

Typical Land Wall Monolith Typical River Wall Monolith

Typical 5 ft. lifts

Anchor Pockets for Future Bridge Piers

CONCRETE MONOLITHS – MISC. ITEMS

Filling and Emptying Ports

Metal Stay-in-Place Liner and support system is allowed

LOCK BACKFILL (OPTIONS 6, 7)

LOCK BACKFILL – TYPICAL CROSS-SECTIONS

Material from Disposal Area A and D

Rock Fill, 8” minus

LOCK BACKFILL – CROSS-SECTION W/ROCK FILL

Material from Disposal Area A and D

LOCK BACKFILL – PROFILE ALONG LAND WALL

Material from Disposal Area A and D

Rock Fill

LOCK BACKFILL – PROFILE AT ROCK FILL

Rock Fill – Station 2+50 to 9+00

Sand Filter

12” Drain-Pipe to Tailwater

30BACKFILL – DISPOSAL AREA - A AND D

(SELECT MATERIAL)

Disposal Area A

Disposal Area D

SITE DEVELOPMENT

New Site Access Roads and Parking

Future Work – Not in Contract (NIC)

SITE GRADING AND DRAINAGE

DOWNSTREAM MITER GATES

Fabricate, Deliver, and Install

- 2 Gate Leafs

- Approx. 1100 kips each

Installed Upstream Miter Gates

DOWNSTREAM MITER GATES

Anchorage for Upstream Gate

Specific Requirements:

- Fabricator Certifications – Major Bridge, Hydraulic Fabricator

- Welding Requirements – AWS 1.5

UPSTREAM BULKHEADS – MOORING RECESSES

Scope:

- Fabricate, Deliver, and Install Metals for,

- 110 foot Upstream Bulkhead Slot Liners

- Upstream Culvert Bulkhead Slot Liners – Land and River Walls

- Upstream Mooring Bitt Recess Liners – 4 Locations

110 ft. US Bulkhead Slots Upstream Mooring Bitt Recess Slot

STRATIGRAPHY

File Name

FT. PAYNE FORMATION (MFP)

• Thick-bedded, fine-grained dark gray to black siliceous limestone

• Very hard limestone (unconfined compressive strengths > 20,000 psi)

• Nearly horizontal bedding (dip < 10°)

• Vertical jointing

• Black chert comprises up to 40% and occurs as closely-spaced beds, lenses, and nodules

EXPLORATORY DRILLING

Slide 38

EXPLORATORY DRILLING FOR DRILLED SHAFTS

Slide 39

Slide 40

Stabilization Measure:

• Stability Analysis of Existing Lock

• Strand Anchors – Ongoing under current contract

• Checkerboard Excavation of Rock

Final, Phased Rock Excavation

PHASE 1 CHECKERBOARD EXCAVATION

Slide 41

PHASES 2 AND 3 CHECKERBOARD EXCAVATION

Slide 42

CHECKERBOARD SEQUENCING

Slide 43

Slide 47

Phase 2 Checkerboard Rock in place

Slide 50

Phase 2 Checkerboard Rock Removed

Slide 52

COMPLETED LOCK EXCAVATION

DRILLED SHAFTS

Slide 54

DRILLED SHAFTS AND STZ TREATMENT

Slide 55

STZ DENTAL TREATMENT IN CHAMBER FLOOR

Slide 56

Feature under Monolith U-1

Dental Excavation and Concrete

Dental Excavation of L-4/L-5 Feature

1940 2012 (L-4/L-5 Feature)

Slide 60

Chamber Grout Curtain

Slide 61

Chamber Grout Curtain

Slide 62

Existing Instrumentation

• Piezometers

• Inclinometers

• 3D Jointmeters

• Tiltmeters

• Anchor Load Cells

• Alignment Pins

Slide 63

New Instrumentation

Survey monuments on completed monoliths

Slide 64

New Instrumentation

Piezometers to be installed in backfill behind land side wall. Locations to be determined, based on monolith foundation conditions.

01 31 00 Data Management

Construction Data Life Cycle

Data Entry

Data Collection Reports, Raw Data, and Database

Data Display, Analysis, and Reporting Data Transfer

C on tr ac to r

C or ps

Contract Requirements – Main Products

Microsoft SQL Server Enterprise Database

• A relational database using Microsoft SQL Server format.

• The Corps will provide the details on the database schema upon notice to proceed.

• See Appendix A for example tables and relationships.

C on tr ac to r

C or ps

Secured File Transfer Protocol Site (SFTP Site)

• Will host all reports, raw data, and database information provided to the Corps.

• This is a separate requirement from RMS submittals.

• See Appendix A for example folder structure.

Boring Database and Drill Logs

• Bentley HoleBase Standard, Bentley HoleBase Professional, or

Bentley OpenGround Cloud

• The Corps will supply the configuration packs (.hbp files) and templates.

Contract Requirements – Personnel

Data Manager

• Develop the complete data management program through the entire data life cycle within the contractor’s area of responsibility

• Create and maintain databases and data entry formats

• Setup and maintain the SFTP site

• Coordinate with subcontractors to obtain data for each feature of work

• Collaborate with the Corps data managers to fully develop data management program

Data Management Quality Control Person

• See QC experience matrix in 01 45 00 Quality Control

• Ensures that the data are correct and timely

Assistant Data Manager

• Aid with loading the database and any other duties assigned by the data manager

Data Management Program Analysis and Reporting

Concrete Placement Progress

CONSTRUCTION INFORMATION

DIVISION 01 - GENERAL CONDITIONS

1. Required sequence of work and access constraints

2. Numerous project specific requirements – Examples: data mgt, CQC, schedule)

3. Site & construction work limits – multiple contractors, TVA and USACE

Operations overlap

4. Pre-Bid Site Visit (0900 Thursday, 6 May 2021)

a. A safety brief will be given at 0900 immediately prior to commencement of the site tour

b. Safety equipment (PPE) is required (boots, hard hat, safety vest, eye pro, COVID mask)

c. All questions/concerns discussed or surfaced during the site visit must be submitted formally through the process discussed earlier in this brief by our contracting team

CONSTRUCTION LIMITS

Disposal Area D

DSLM Construction Limits

DSLM Construction Limits

Disposal Area A

Government Use Area

Disposal Area B

Dual Use Area

Contract Limits for Present/Future

Upstream Dewatering System/Settling Ponds

CONSTRUCTION LIMITS – SHARED HAUL ROADS

Main Shared Access Roads

Main Contractor Haul Road

Site Entrance

Congested Intersections

PRE-BID SITE VISIT

Walking Site Tour:

1. Start/Finish in the parking area at the Resident Engineer’s Office.

2. Welcome & Safety Brief

3. Upstream Cofferdam – observe completed Upstream Monoliths and Miter Gates.

4. Completed Upstream Monoliths – observe monoliths, upstream bulkhead slots, and on-going excavation.

5. Existing Lock Land Wall – stopping to observe existing instrumentation and on-going excavation.

6. DS Cofferdam – stopping to observe existing instrumentation, cofferdam flooding structure, and on-going excavation.

7. Return to resident office by way of shared Haul Road, observe landside perspective of the work area.

Resident Engineer’s Office: Site Visit Arrival Location and Parking Time: Please arrive between 0830-0850

Site Entrance

Physical Address:

193 Taylor Park Rd.

Grand Rivers, KY 42045

Safety Gear (PPE):

1. Bring a COVID Mask for use when necessary.

2. Sturdy Footwear Required - Safety

Toe Boots Preferred.

3. Construction Hard Hats & Safety

Vests Required.

4. Eye Protection Required.