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c <br />M • w « «« i •\m4 t <br />5. Lay u? eacn ccursa maK.'ng $yr« t^at the ANC h CR <br />BAR cf re unit is ciaces against re tacKsica c( <br />r» faces of r# creceSing course. Pcsiticn ;co ur.t <br />ha'-hvay on r« two urits ta ’c.v. Pul unit fcrv-Ts-c as <br />far as cjossSie. Again t;n an cavities w;tr» 'unit (iH* <br />ar.d compact. Unit fill shcj'd be used 12 Inches <br />Ceeo tjehind the units. (Fgura 8) <br />Pusn tco -jnts as <br />far fonva'd as poss'C'e <br />♦ ♦ <br />1 8t cCwfSe 2r,{j cours# <br />i <br />Ancr.at ftjrAnchor Par placed <br />agai.'ist the been faces <br />of precedl-ng course <br />Center toe un.t over <br />fAfl lower units <br />Figure 8 • Additional courses. <br />7. For a vericai wan or a sharp concave curve, chip <br />outer end of backside of face unit. Chip between <br />two score marks provided. The depth of the chip <br />wHl determine the change in the setback. (Fgure 9) <br />Score <br />mam <br />Figure 9 « Chipping units. <br />0. Where the wall changes e'evatlcn. units can be <br />stepped with grade or turned Into the embankment. <br />Provide compacted base foofng in area of convex <br />return end. (Fgure 10) <br />. . i« • <br />1 <br />TLfn#d Vito <br />f^^arterr^ot <br />tuna .Srep:^ <br />g*act <br />*■ *. <br />- 9^ ---^1:21 -5 • -I <br />Figure 10 • Elevation cha.ngc along teail run. <br />8. Geogn'd <br />1 . If geogrid is to be Installed as a reinforcement, <br />fciicw the additional reqiarementa of Sect Oeegrid <br />Specificatior^. <br />C. Cap Installation (Figure 11) <br />1. Place CLASSIC caps halfway on the two units <br />below. The cap can be set back, have a 0* set- <br />bi'‘k, or you can move the cap forward 1* to 2* to <br />givv the wan a ledge look. <br />2. Provide the cap with permanent connection to wall <br />units with corsthjctlon adhesive. Apply adhesive to <br />top surface of units below cap and place cap unit <br />into position. BackfW and cornpaol to finlah grade. <br />Figure 11 > Capping the wall. <br />PART 4 MEASUREMENT AND <br />PAYMENT <br />4.1 MEASUREMENT <br />A, Measurement of retaining wall is on a square foot <br />basis computed on the total area of wad shown ori the <br />construction drawings. Area Is taken from the footing <br />to the top of wan, times the appllcabte length of <br />sectioo. <br />4.2 PAYMENT <br />A. Payme.nt for the wa3 will be made on a square foot <br />basis at the contract unit price bid. <br />B. Payment Shan be considered full compensation for alt <br />latxx, materials, and equipment to instaB units, <br />drainage fill. backfIN, footings, and dean up. <br />1