DIVISION 1 - GENERAL REQUIREMENTS - IDEAS-EC

B. Enter and exit through structure walls, floors and ceilings using wall penetrations specified in Section15033.C. Provide flexible joint within 2 FT of point where pipe enters or leaves structure. Provide secondflexible joint not more than 6 FT nor less than 4 FT from first joint. Provide balance of piping withstandard laying lengths.D. Gate valve to pipe joints shall be flange by flange connections using appropriate piping material andflange adapters.E. Laying Pipe In Trench1. Excavate and backfill trench in accordance with Section 02320.2. Clean each pipe length thoroughly and inspect for compliance to Specifications.3. Grade trench bottom and excavate for pipe bell and lay pipe on trench bottom or beddingmaterial if rock excavation.4. Install gasket or joint material according to manufacturer's directions after joints have beenthoroughly cleaned and examined.5. Except for first two joints, before making final connections of joints, 2 full sections of pipeshall have been previously installed with earth tamped along side of pipe or final beddingmaterial placed.6. Lay pipe in only suitable weather with good trench conditions. Never lay pipe in waterexcept where approved by Contracting Officer.F. Lining-up Push-on Joint Piping1. Lay piping on route lines shown on Drawings.2. Deflect from straight alignments or grades by vertical or horizontal curves.3. Maximum offset between extended centerlines of any 2 adjacent pipe lengths is in strictaccordance with the pipe manufacturers published literature on deflections and offsets.4. Provide special bends when specified or where required alignment exceeds allowabledeflections stipulated.5. Provide shorter lengths of pipe in such length and number that angular deflection of anyjoint, as represented by specified maximum deflection, is not exceeded.G. Thrust Restraint1. Provide thrust restraint for preventing movement of piping caused by forces in or on buriedpiping tees, wye branches, plugs, or bends.2. Provide mechanical restraint to resist against thrust forces.3. Thrust blocking shall only be used where indicated on the drawings.a. Place concrete blocking so that it extends from fitting into solid undisturbed earthwall. Concrete blocks shall not cover pipe joints.b. Provide bearing area of concrete in accordance with details on Drawings.c. Provide insulating components where dissimilar metals are joined together.H. Utility line marking: Section 02502.I. Provide insulating components where dissimilar metals are joined together.J. Installation of Insulation: Apply insulation material, accessories, and finishes according to themanufacturer’s printed instructions. Seal joints and seams to maintain vapor barrier. Seal15060 - 504/08 PIPING AND PIPE FITTINGS: GENERAL STATEMENT