Work Schedule

19.9 Work Schedule

plete and unopened containers (1 or 5 gal- lon, [5 or 20 liter units]). The contractor

Contractor shall prepare a written work shall be responsible for collection, and wit-

schedule describing the timeline of the proj- nessing of the collection process by the

ect. The scheduled times should include inspector is mandatory. The sampler should

completion of at least these items: use only clean containers when taking par-

• Pre-cleaning

tial samples to avoid contaminating the sam-

• Surface preparation

ple.

• Coating application

All samples shall be unmixed. Where multi-

• Inspection intervals and hold points

component coatings are used, samples of

• Delivery of documentation and reports

each component are required.

• Hold points

Sample containers shall be labeled and clearly marked with details of the material,

19.10 Repair and Remedial

the date of sampling, the batch number, and

Coating Work

the identity of the person collecting the sam- Contractor shall identify damage to the coat- ple. Where possible, the date of manufacture

ing, including holidays, and shall repair all shall also be recorded on the sample label.

such areas.

Samples shall be stored in a cool dry place Contractor shall feather-edge the coating for at least two years after collection. The

around the damaged area for a minimum of owner may request samples for testing at

three (3) inches (75 mm) from the damaged any time during the storage period.

area in all directions. Contractor shall use 80-grit abrasive-coated paper to expose each

19-6 Lab Day Specification

coat of the coating system, including the Surfaces shall be inspected for the presence primer.

of oils and greases using an Underwriters Laboratories (UL)™ approved ultraviolet

Using the same coating materials required lamp. Areas contaminated with oil and

by the specification as the repair materials, grease shall be located and recorded. Oil or

the contractor shall apply, by brush, the grease contamination shall be removed by

same number of coats as is found in the solvent cleaning in accordance with SSPC-

repair area. Total thickness of the repair SP 1 using a biodegradable detergent.

shall be no less than 90% of the total thick- ness of the adjacent undamaged coating.

Specific test instruments and test procedures shall include, but not be limited to, the fol-

lowing. The inspector shall conduct any The Inspector shall keep a complete record

19.11 Documentation

additional inspection tasks outlined and of all tests performed using the NACE Coat-

agreed to by the parties concerned at the pre- ing Inspection Daily Report Form provided

job conference:

with this specification document.

1. Environmental Conditions The inspector shall complete a summary

• Magnetic steel surface thermometer

report of tests performed using the CIP prac-

• Sling psychrometer and psychrometric

tice project report book issued at the pre-job

The completed CIP practice project report

• Surface comparators (ISO and Keane-

form shall be reviewed by the engineer and

Tator

countersigned to indicate that review has

• Textex™ replica tape

been performed. The NACE Coating Inspec- tion Daily Report Form shall be completed

3. Coating

and submitted to the engineer on a weekly

• WFT gauge (comb type)

basis.

• DFT gauge (Positector 6000™, Mikrotest III,™ or approved equivalent)

19.12 Inspection and Reporting

• Holiday detectors (low-voltage wet

The inspector shall perform such tests as are

sponge or high-voltage pulsed DC, as

required to ensure performance of this speci-

appropriate)

fication, and such tests as may be required

4. Equipment and air supply from time to time by the engineer.

• Blotter test

Inspection is an ongoing, continuous pro-

• Hypodermic needle pressure gauge

cess. Safe access to all work locations shall

5. Abrasive

be provided whenever the engineer or his designated representative so requires. • Sieve test

• Vial test

Pre-inspection: All surfaces will be inspected prior to any other operations. All

6. Inspection Procedure The contractor shall prepare an inspec-

defects in design and fabrication will be tion procedure for all quality control

Lab Day Specification 19-7

testing to be performed. The procedure shall include, as a minimum, the follow- ing items:

• When, where, and how many measure- ments to take

• Pass/fail criteria for all measurements • What inspection tools to use • Guidelines for completion and submission

of inspector’s reports • A comprehensive statement of the inspec-

tors’s reports • An organizational chart showing the chain

of command and the inspector’s position

Table 1: Coatings

Ameron Description

Carboline

Paint

First Coat Water-borne

Carbozinc 11 a Dimetcote 21-5 (DFT: min/max) Zinc-rich

Interzinc 280

(2.5/3.5 mils, 62/87 [Color]

(2.5/3.5 mils, 62/ (2.0/3.0 mils,

primer

µm) [Gray]

87 µm)

50/75 m)

[Gray] Second Coat

[Gray/Green]

[gray]

Carboline 890 b Amercoat 385 c (DFT: min/max) epoxy high-

Water-borne

Intergard 401

(3.0/5.0 mils, 75/ (4.0/6.0 mils,

(4.0/6.0 mils, 100/150

[Color] build

m) [White]

125 µm)

100/150 m)

[white] Third Coat

[off-white]

[white]

Urethane finish Interthane 870 Carbothane 833 Amercoat 450HS (DFT: min/max) [Blue]

(2.5/4.0 mils, 62/ (3.0/5.0 mils,

[Blue] a. Carbozinc 11™ is not water-borne zinc

[Blue]

[Blue]

b. Carboline 890™ is not water-borne epoxy c. Amercoat 385™ is not water-borne epoxy

Coating Defects 20-1