Fig. 13~ Lapped Slab Bolsters wi-the slab panel length is such that whole r;tock lengths of sfab bolstets do 1101 work out, a pert of the bolster lenglh mu. <t be cut in the field and reiaintd for 11se in compleons another line to P""""' a shonage and waste. ~o OJ. !......~ ime:,. __yf hohlers are placed not m<'!le than 6 me le.-:l tom t e h Jge ut tlk; supplfl1112,be. i:n or wnli. If additional Jinest'll'erequirect. lhcyshoul d be placed equally distant from each other and the outside lines, as close to 4 feet maximum sp3Cing as po$Sil,lc. Then lbe lll8in slab ba<S are placed at the speci­ fied spacin&-U)n& bouo,n t,a,s extend in<o the end,rupporu. The top reinforcing bats in slabs are held in position either by supporl bats and individual high chairs or by continuous high chaixs. The lines of these supports an: placed at 4 feet maximum spacing with an =hang of about 1 f001 from the outside lines of suppons <o Ille end of die top bars. Where more than two lines are required, they are placed a., described for slab bolsters. Industry pr""~ lice is <o 11loce #4 support ban on individual bigb chairs, which arc "i>"<td 3 feet on center. Unless olllcrwisc indicated on the placing dnlwings, support bars need not be lap spliced the same as tanpcrature bats but may be butted O< even a small space left bctwcca two lengths. Contin UOU$ high chairs have a 51l"ais)1t 1op wire with lcp spaced 8 inches on center. They are furnished in mnd. vd loagths and lap spliced in the same way as slab bolsters. Figure 13-10 shows t)'J)ical bar supports used for one-way slabs. 13-10 Cona9to Rcinfod,g Stoel lnllllute Section 609 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 6-9