Laserfiche WebLink
� <br /> , II ' <br /> � <br /> � i <br /> � I I SUPPORTS AND ANCHORS <br /> � i SECTION 15140 <br /> ! � <br /> � iI <br /> 3.5 INSTALLATION OF HANGERS'AND SUPPORTS <br /> � ii <br /> A; Install hangers, supports, clamps and attachments to support piping from building <br /> ,� ! � structure; comply with MSS SP-69 unless otherwise indicated. Arrange parallel runs of <br /> ' ; i horizontal piping to be supported together on trapeze type hangers. Where piping of <br /> i � various sizes is to be supported together by trapeze hangers, space hangers for <br /> � smallest pipe size or install intermediate supports for smaller diameter pipe. Do not use <br /> i � � wire or perforated metal to support piping, and do not support piping from other piping. <br /> , � Comply with Standard Plumbing Code requirements. <br /> � � <br /> , BI. Install hangers and supports complete with necessary inserts, bolts, rods, nuts, <br /> � i washers, clamps and other accessories. Except as otherwise indicated for exposed <br /> ; I continuous pipe runs, install hangers and supports of same type and style as installed <br /> � ' , for adjacent similar piping. <br /> � C. Prevent electrolysis in support of copper tubing by use of hangers and supports which <br /> ; I are copper plated, or by other recognized industry methods. <br /> D. Per manufacturer "Charlotte Plastics," based on 60°F, Contractor shall verify spacing <br /> based on temperature. Spacing shall be reduced by 30 percent for added weight of <br /> , � I insulation or other concentrated loads such as valve assemblies and brackets. <br /> � i <br /> E. Maximum vertical spacing (ft.) per shall be as follows: <br /> i 1. Threaded black or galvanized steel pipe, hydronic systems: Base and at not less <br /> j � than every other story height at intervals not exceeding 30 ft. <br /> 2. Copper tube and copper pipe: Each story height for 1-1/2" and over and at not <br /> i � more than 4 ft. intervals for 1-1/4"and smaller. I <br /> � 3. Plastic pipe (rigid)Sch. 80 P.V.C.: Each story height for 2"and over 4'-0"for 1-1/2" <br /> ! or under. <br /> I I I, Hanger spacing for HVAC piping systems shall be as follows as indicated on the I <br /> , schedule listed on the last page: <br /> i II I <br /> ,, <br /> I ' ' <br /> �� � � <br /> ' � � <br /> i � � <br /> � <br /> I <br /> � , <br /> I � <br /> � <br /> � I <br /> I <br /> (97008-040497) 15140-4 <br /> ' II <br /> , � <br /> , i <br /> � I <br /> ' i <br /> il <br />