Drilling a Well - A Messy Job!

Report 2 Downloads 136 Views
Minnetrista Water Improvements Project Christopher Larson, PE Minnetrista City Council Meeting July 20, 2015

North Water Treatment Plant – Site Plan

Well 1

Water Treatment Plant

North Water Treatment Plant – Steel Gravity Layout

North Water Treatment Plant Steel Gravity - Section

North Water Treatment Plant – Steel Gravity – Rendering

North Water Treatment Plant Steel Gravity – Rendering (Flat Roof)

North Water Treatment Plant – Concrete Gravity Layout

North Water Treatment Plant Concrete Gravity - Section

Concrete Gravity - Rendering

Concrete Gravity – Rendering (Flat Roof)

Kings Point Road

South Water Treatment Plant – Site Plan

Water Tower

Water Treatment Plant

Wetland

South Water Treatment Plant Steel Gravity Layout

South Water Treatment Plant Concrete Gravity Layout

Estimated Construction Costs Steel Gravity

Concrete Gravity

North WTP

$4.9 million

$5.9 million

South WTP

$5.5 million

$6.5 million

• Includes 10% contingency, areas where costs could come down

Estimated 50 Year Life Cycle Costs Steel Gravity

Concrete Gravity

North WTP

$11.2 million

$11.6 million

South WTP

$12.6 million

$12.8 million

• Includes capital costs, equipment replacement, labor, chemical, electricity, etc.

WTP Schedule • Issue WTP plans for bidding - September 2015 • Bid opening - October 2015 • Construction begins - November 2015 • Construction complete - December 2016

Filter Recommendation • Staff recommends steel gravity filter option – Less expensive – Slightly smaller building footprint – Similar operating considerations

South/Central Water Main Connection

Water Main Schedule • Issue water main plans for bidding October 2015 • Bid opening - November 2015 • Construction begins - February 2016 • Construction complete - October 2016

Hunters Crest Area Water Tower • Currently identifying potential water tower sites. • Anticipate bidding Spring 2016, construction complete Summer 2017 • Schedule contingent on site acquisition

Water Improvements Project Cost Water Treatment Plants

$10,400,000

Watermain Connection

$2,600,000

Wells

$750,000

Easements/Land Acquisition

$250,000

Engineering

$990,000

Total:

$14,990,000

Water Tower

$1,800,000

Engineering

$150,000

Total:

$1,950,000

Questions?