Quartz Hill Water District, Steel Water Tank RFP

Request for Proposal for Steel Water Tank Coatings

DATE: 11/15/2017

TO: Invited Parties

FROM: Quartz Hill Water District

SUBJECT: Steel Water Tank Coatings

The Quartz Hill Water District (QHWD) is soliciting proposals from qualified companys for

coating systems on four of the District owned steel welded water reservoirs. These reservoirs

are a critical component of the Districts distribution system accounting for 5.2 million gallons of

potable water.

Your proposal should contain, but not be limited to the following considerations: 1. Experience of your company in relation to the scope of work proposed for QHWD. 2. A list of similar local governments or pertinent jobs served by your company. 3. A break down of the cost per Tank site and overall completed job cost (see following pages). We will look forward to receiving your proposals on or before 12/20/2017 by 9:00am, in the form of a sealed proposal. It can be mailed to: Quartz Hill Water District 5034 W. Ave L Lancaster Ca, 93536 The final decision of the selection of the company to conduct the work proposed will be made by the Board of Directors. The final agreement will be in the form of a written contract. All questions and correspondence should be directed to Brent Byrne in writing at the above address or brentb@qhwd.org or by calling (661)471-8252. Contact with QHWD personnel other than Brent Byrne regarding this RFP may be grounds for elimination from the selection process. I will be available for job walks the week of December 11th-15th. I am out of the office the week of December 4th-8th.

Thank you,

Brent Byrne Assistant General Manager

Quartz Hill Water District, Steel Water Tank RFP

Scope for Exterior Painting

Provide a new coating system for the exterior of a steel welded water tank per the District

Specifications and manufactures specs. Include painting the inlet/outlet piping as well.

1. Name: 75th Street Tank

a. Built in 1990

b. Diameter: 115’

c. Height: 32’

d. Capacity: 2MG

2. Name: Well 5a Tank

a. Built in 2005

b. Diametr: 80’

c. Height: 28’

d. Capacity: 1MG

Quartz Hill Water District, Steel Water Tank RFP

Scope For Interior/Exterior Painting

Provide a new coating system for the interior and exterior of the following steel welded water

tanks per the Districts Specifications and manufactures specifications. Include painting the

inlet/outlet piping as well.

Remove the existing ladder with cage and install a secure/safe staircase system.

Note:These two tanks have an “old cold tar” black coating on the interior which will need to be

removed.

Note: These two tanks have several cellular antennas mounted to them which will need to be

painted to match the Tank color using an approved water base paint.

3. Name: QH Tank 1 and 2

a. Tank 1

i. Built: 1955

ii. Diameter: 64’

iii. Height: 32’

iv. Capacity:

1.45MG

b. Tank 2

i. Built 1971

ii. Diameter: 90’

iii. Height: 32’

iv. Capacity:

0.75MG

v.

District Paint Specifcations

New construction, two coat atmospheric coating system:

• Clean surface per SSPC-SP 1 and prepare steel to a minimum of SSPC-SP 10 achieving a

sharp angular profile

o Primer – Bar-Rust 235 – apply one coat at 4-8 mils DFT on properly prepared

steel with 1.5-2.5 mil profile or

o Primer – Bar-Rust 233H – apply one coat at 4-8 mils DFT on properly prepared

steel with > 2.5 mil profile

o Finish – Devthane 378 (semi-gloss) – apply one coat at 2-3 DFT mils or

o Finish – Devthane 379 (gloss) – apply one coat at 2-3 mils DFT

Existing painted structure or repair/maintenance, two coat atmospheric coating system:

• Old coatings, rust, all bare steel, etc. require SSPC-SP 2 cleaning

o Clean surface per SSPC-SP 1 with minimum of 3000 psi pressure washer

removing contaminants

o Rinse thoroughly with water and allow to dry

o Dull glossy areas by light sanding to well adhered existing coating and remove

sanding dust

Quartz Hill Water District, Steel Water Tank RFP

o Prime bare areas with primer Devran 203 at 3-4 mils DFT or

o Prime bare areas with primer Bar-Rust 231 at 4-8 mils DFT

o Finish – Devthane 378 (semi-gloss) – apply one coat at 2-3 mils DFT to all

properly prepared new and existing surface or

o Finish – Devthane 379 (gloss) – apply one coat at 2-3 mils DFT to all properly

prepared new and existing surface

Interior immersion service for potable drinking water storage tank

• Clean surface per SSPC-SP 1 and prepare steel to a minimum of SSPC-SP 5 achieving a

sharp angular profile of 1.5-2.5 mils

o Brush stripe all weld lanes, edges, hard to reach locations, etc. with Bar-Rust

233H

o Primer – Bar-Rust 233H – apply one coat at 4-8 mils DFT on properly prepared

steel

o Finish – Bar-Rust 233H – apply one coat at 4-8 mils DFT

� For best performance apply third coat at 4-8 mils DFT, entire system not

to exceed 20 mils

Interior immersion service for potable drinking water storage tank with 2 coats above high

water line (roof, rafters, etc.) and single coat for immersion

• Clean surface per SSPC-SP 1 and prepare steel to a minimum of SSPC-SP 5 achieving a

sharp angular profile 1.5-2.5 mils

o Above high water line coat as follows:

� Brush stripe all weld lanes, edges, hard to reach locations, etc. with Bar-

Rust 233H

� Primer – Bar-Rust 233H – apply one coat at 4-8 mils DFT on properly

prepared steel with > 2.5 mil profile

� Finish – Bar-Rust 233H – apply one coat at 4-8 mils DFT

o For best performance apply third coat at 4-8 mils, entire

system not to exceed 20 mils TDFT

o Below high water line in immersion as follows:

� Brush – stripe all weld lanes, edges, hard to reach locations, etc. with

Bar-Rust 234P

� Finish – Bar-Rust 234P – apply one coat of Bar-Rust 234P at 25-30 mils

TDFT, not to exceed 50 mils TDFT

Steel preparation and coating application completed in accordance with Product Data Sheets

and Application Guidelines.