I \ Detnil A. The Snop oc Sini:Je Tie is normally 11s,:d JO 6a1, hori1. oc11. 1J w Qlt to secure Ulc rcwforcing 6irs i. n position agn!nst dl. $,J>!. 3cdn&IL due to \lo'Ork docc bx_olhcr trades and during concrete placement This is a very simple tie, aoo is wrapped once a:rouod the two crossing. b:!ts in d1agorul m. unn with 1M two ""e cods on lop. The witcs arc then twisted together with a pair ofptim until they arc tis),11gain:,1 lhc bars. The wire is then cut with pliers and the "'1ds adjll Slild sufficiently to prev<:nt them from protruding through the concrete sur­ faces. This type of tie is ai. o used when tying bart in cni S$00$, al times using No. IS gauge wire. The snap or single tie may be mdc $l<Ongcr by doubling che wire nlber than using !he heavier gauge wire. TI,e de would then be called a double snap ti<> or single tic-<loublc wire. betan ll. 11,e Wrap and Sn,p TIC isoormally usi:d when tying wall rcinfon:c mom, holding !he bars securely in position.., that neithet the hori:o:oosal nor lb<: vertical bl!B can shift during the consm,ction pmc:e« or dwing conc,,,re pla<e­ mc-o L This tic can also be used to prevent the bent bor ends of either hori1. onta1 or vcttic11l brs from twistin 110111 of position. The tie is made by wrapping the wire I1/2 times around the-ical or horizolllal bar, and then diogo,ully around the inreroecting bar, completing the tie in the same manner as a snap tie (single tie). nciail (;, The SAddlc <,t· uu Tic is more complicated tb4n the lint two do­ scribed, but is fav-Ored in ce,tain geog,aphical regions of the COllntry. This typo of tic is commonly used for sccuring oolwnn des to vertie41 comer bars, beam stirrups to \ongiltldinal oomc:r bars and securing template bars for walls, col umn and slab6-The wires pass halfway around one of the bars on each side of the crossing bar, tben are hfought squarely around the crossing bar, then up and around the first bar where they are twismd as sliown. A wrap and snap tie or a saddle ric is often \IScd to tic the reinforccmau in wall cwuins that the lroowodccr may climb oo during the installation process. 1)tta Jt 0. 'Ilic Wrap arid Saddfl! Tic is sin,U. ar ro cho saddle de except that lhe wire is wrapped I1/2 times around the first bar; dten oompleled as described for 1ho saddle lie. This type of tic con be u. l Od 10 secure hevy mars thnl ore lilb:d by crane and for securing column ties to wttical bars where !here is a heavy load on the ties. 11-36 Concrete Re"11orcif1V &eel lnotitute 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 37 38 39 6-9