Be Yourself Quotes. â Be who you are and say what you feel, because those who mind donât matter, and those who matter donât mind.â â Bernard M. Maruch. â Imperfection is beauty, madness is genius and itâs better to be absolutely ridiculous than absolutely boring.â â Marilyn Monroe.
Select the appropriate equipment and settings. A gas or electric washer with a pressure rating of at least 3,000 PSI, and a flow rate of at least 4 gallons (15.1 L) per minute, will effectively clean exterior concrete. Set the spray nozzle to high pressure and use a 40-inch spray tip. Add an appropriate cleaning solution to the reservoir. Prep the concrete surface.
â¢ 28-day minimum strength of 2,500 psi (17 MPa) Control of Quality -Section 347-4Control of Quality -Section 347-4 347-4 Control of Quality. 347-4.1 Concrete Mix Design: Before producing any concrete, submit the proposed mix design to the Engineer on a form provided by the Department. Use only concrete mix designs having prior approval of the Engineer.