LaGrange_Major_Rehabilitation.pdf

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LaGrange Lock and Dam Major Rehabilitation
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W912EK-18-R-0001
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Presentation of LaGrange Major Rehabilitation

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LaGrange Lock Major Rehabilitation

Industry Day

22 May 2017

INTRODUCTION

SCOPE OF WORK

Specific work includes, but is not limited to, dewatering and maintaining dewatered lock chamber; debris removal within the lock chamber; installation of lock dewatering observation wells; cleaning of lock chamber floor weep holes; horizontal concrete removal and replacement; concrete trenching for mechanical piping installation;

vertical concrete line drilling, saw cutting, blasting, and grinding; precast concrete panel fabrication and installation; construction of concrete protective piers on top of lock wall; blocking and securing existing miter gates for work on gate appurtenances;

miter gate anchorage removal and replacement; miter gate machinery removal and replacement including rotary actuators; tainter valve cylinder removal and replacement; removal and repair of tainter valves; new PLC system; new I-wall mechanical control building; miscellaneous electrical work; fabrication of movable control stands; hydraulic system and piping removal and replacement; HTRW removal of sand in pipe trenches; bubbler system installation; generator installation;

commissioning of electrical/mechanical systems; existing central control station building rehabilitation; existing fuel tank removal; handrail installation; concrete road and parking lot construction; maintenance building addition; and sewage lift station rehabilitation.

PROJECT SPECIFICS

Currently scheduled for a lock closure in the late summer/early fall of 2020.

Projected contract award in Spring 2018 (USACE is currently awaiting funding)

LOCATION

LOCATION (CON’T)

EXISTING SITE CONDITIONS – LOCK

WAWALLS

EXISTING SITE CONDITIONS – LOCK

WALLS

EXISTING SITE CONDITIONS –

HORIZONTAL CONCRETE

TAINTER VALVE OPERATING

EQUIPMENT

NOT FOR CONSTRUCTION

MITER GATE OPERATING EQUIPMENT

(ACTUATOR)

I-WALL HYDRAULIC POWER UNIT (HPU)

BUILDING

PRECAST CONCRETE PANEL

FABRICATION AND INSTALLATION

PANEL FABRICATION

PRECAST CONCRETE PANEL STORAGE

INSTALLATION (CON’T)

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