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Liberty Tower Exterior Renovations - Ph 2 <br />South Bend, Indiana <br />© Copyright, Kil Architecture / Planning <br />September 2020 <br />(or utilize a laser leveling device) and slightly ahead of the second row of Support <br />Pedestals. <br />5. Pre-sort and pre-set the Support Pedestals to the proper elevation and place in position <br />prior to the installation of the Roof Concrete Pavers. <br />6. Plumb Support Pedestals. <br />7. Rotate the pedestal base or bottom to vertically adjust the Support Pedestal elevation <br />while being loaded with pavers. Clockwise rotation of the pedestal base will raise the <br />bearing surface and the paver units. Counter -clockwise rotation will lower the top <br />bearing surface. <br />8. Slight irregularities in Roof Concrete Paver thickness can be compensated for by using <br />one to two shim segments. Place shims on top of the pedestal, under the comer(s) of the <br />decking tile or paver. Never use more than two (2) shims on top of the pedestal and <br />always adhere 1/4 wedges with construction adhesive. <br />9. Stackable Fixed Height Pedestals: Complete grid layout as instructed above. Stack no <br />more than four (4) fixed height pedestals together and place in lieu of adjustable <br />pedestals where needed. Remove spacer tabs to accommodate perimeter and corner <br />support locations. <br />10. Support items (such as planters, concrete benches, sculptures, hot tubs, grills, or <br />industrial equipment) directly with additional pedestals directly and independently of the <br />main Roof Concrete Pavers and Support Pedestal System. <br />3.4 ROOF CONCRETE PAVERS <br />A. Do not use pavers with chips, cracks, voids, discolorations, and other defects that might be <br />visible in finished work. <br />B. Mix Pavers from a minimum of three (3) bundles simultaneously drawing the paver vertically <br />rather than horizontally, as they are placed, to produce uniform blend of colors and textures. <br />1. Exercise care in handling face mix pavers to prevent surfaces from contacting backs or <br />edges of other units. <br />2. Install Roof Concrete Pavers using pattern as indicated. <br />3. Place the corner of the Roof Concrete Paver directly over the center of the Support <br />Pedestal where more than one unit meets. <br />4. Place units hand tight against spacer bars or pedestal spacer tabs. Adjust horizontal <br />placement of laid pavers to align straight. <br />5. Provide space between paver units of 1/32 in. (1 mm) wide to achieve straight bond <br />lines. <br />6. Set surface elevation of Roof Concrete Pavers 1/16 in. (1.5 mm) above adjacent drainage <br />inlets, concrete collars or channels. <br />7. Do not exceed joint (bond) lines more than ±1/2 in. (±15 mm) over 50 ft. (15 m) from <br />string lines. <br />8. Cut unit pavers with motor -driven masonry saw equipment to provide clean, sharp, <br />unchipped edges. Cut units to provide pattern indicated and to fit adjoining work neatly. <br />Use full units without cutting where possible. Hammer cutting is not acceptable. <br />9. Remove any cracked or structurally damaged pavers and replace with new units. <br />ROOF CONCRETE PAVERS 07 7600 - 8 <br />PEDESTAL SYSTEM <br />