超高压水表面处理案例--船舶.pdf

ITEM 03573.9920 M - ULTRA HIGH PRESSURE WATER JET CLEANING AND PAINTING, LEAD-BASED PAINT - TOTAL REMOVAL ITEM 03573.9921 M - ULTRA HIGH PRESSURE WATER JET CLEANING AND PAINTING, LEAD-BASED PAINT - TOTAL REMOVAL (SPRAY PROHIBITED) DESCRIPTION This work shall consist of ultra high pressure, low volume, vacuum shrouded water jetting to remove all paint, rust and other corrosion producing contaminants and painting structural steel surfaces with three (3) full coats of new paint where indicated by the Contract Documents . GENERAL All electrical equipment shall utilize ground fault interrupters and shall be listed by the Underwriters Laboratory. High Efficiency Particulate Air (HEPA) filtration systems shall comply with ANSI 2-79. The contractor shall provide all necessary equipment to capture, convey, collect, contain and filter surface preparation water and water used to decontaminate personnel and/or equipment. The Contractor shall reuse filtered wastewater to the extent practicable that minimizes volume, toxicity and cost for disposal and also reduces the volume of fresh water required without significantly impacting upon equipment function. All costs associated with treatment and disposal of the water will be paid for under Item 03571.989950. All particulate waste shall be contained and collected for treatment and disposal as hazardous paint removal waste under Item 18571.9810 M, Treatment and Disposal of Paint/Asbestos Coating Waste. MATERIALS 1. Paint and Thinner. Paint and thinner shall be selected from the Departments Approved List, Moisture-Curing Urethane Paint Systems. No substitutions will be allowed. The shelf life of all paint shall be a maximum of 12 months from the date of manufacture. All acceptances of paint shall expire within 12 months from the date of manufacture. All paint (primer, intermediate, and finish coats) used on any one str