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<br />THE CITY OF SUNNY ISLES BEACH <br />PROJECT NO. 21-1011 <br />BUILDING DEPARTMENT RELOCATION TO ANNEX <br /> <br />Project No. 21-1011 November 2024 093000 Tiling93000-5 <br />a. Examine drains, and clamping devices to verify that they are in a <br />condition ready to receive waterproofing membrane with no deficiency <br />that could result in a potentially defective installation <br />b. Verify floor meets L/360 minimum. <br />c. Verify wall substrate surfaces are a maximum of 1/8 inch in 10 feet, any <br />direction. <br />d. Verify tolerances meet manufacturer’s recommendations for LHT which <br />may be more stringent than for thin set applications. <br /> <br />B. All flattening must be completed prior to any cleavage membranes or waterproofing <br />membranes are installed. <br /> <br />C. Do not install tile over waterproofing until waterproofing has cured and been tested to <br />determine that it is watertight. <br /> <br />3.2 PREPARATION <br /> <br />A. Consult Architect to establish floor levels and required pitch to drains and floor <br />recesses before setting any work. Maximum surface variation shall not exceed 1/4 <br />inch in 10 feet, non-accumulative. <br />1. Verify variations with manufacturer for LHT applications <br /> <br />B. Clean rough concrete slab surface of drippings and other debris. Roughen surface if <br />necessary. Wash thoroughly with clean water permitting concrete to become <br />saturated. Slush with neat cement grout to insure good bond. <br />1. Neutralize any trace of strong acid or alkali (PH level 7 to 9). <br /> <br />C. When necessary, because of unevenness or roughness of base, or to bring tile to <br />proper flatness, install leveling coat and permit to set and harden, wet cure. <br /> <br />D. Provide tape reinforcement at joints including inside corners and outside corners. <br /> <br />3.3 LAYOUT <br /> <br />A. Determine locations of movement joints before starting tilework. <br /> <br />B. Lay out tile work so as to minimize cuts less than one-half tile in size. <br /> <br />C. Locate cuts in both walls and floors so as to be least conspicuous. <br /> <br />D. Lay out tile wainscots to next full tile beyond dimensions shown. <br /> <br />E. Align wall joints to give straight, uniform grout lines, plumb and level. <br /> <br />F. Align floor joints to give straight uniform grout lines parallel with walls. <br /> <br />G. Make joints between tile sheets same width as joints within sheets so extent of each <br />sheet is not apparent in finished Work.