Specifications - City of Montpelier, Vermont

Title:Montpelier District HeatingCity of Montpelier, VT15055– Basic Piping Materials and MethodsIssue Date:September 28, 2012Page #:6 of 10PART 3– EXECUTION3.1 GENERALA. Inspection: Examine areas and conditions under which pipe and pipingaccessories are to be installed. Do not proceed with work until unsatisfactoryconditions have been corrected in manner acceptable to the Installer.B. Coordination: It is the responsibility of the contractor to coordinate the work ofhis trade with all other trades prior to the commencement of construction. Anyconflicts must be brought to the attention of the Architect/Engineer. Any workrequiring removal and reinstallation due to the lack of coordination shall be theresponsibility of the Contractor with no additional cost to the Owner.3.2 PREPARATIONA. Ream ends of pipes and tubes, and remove burrs. Bevel plain ends of steel pipe.B. Remove scale, slag, dirt, and debris for both inside and outside of piping andfittings before assembly.3.3 INSTALLATIONSA. General Locations and Arrangements: Drawings (plans, schematics, anddiagrams) indicate the general location and arrangement of the piping systems.Location and arrangement of piping layout take into consideration pipe sizing andfriction loss, expansion, pump sizing, and other design considerations. So far aspractical, install piping as indicated.B. Conceal all pipe installations in walls, pipe chases, utility spaces, above ceilings,below grade or floors, unless indicated otherwise.C. Install piping free of sags or bends and with ample space between piping to permitproper insulation applications.D. Install exposed piping at right angles or parallel to building walls. Diagonal runsare not permitted, unless expressly indicated on the Drawings.E. Install piping tight to slabs, beams, joists, columns, walls and other permanentelements of the building. Provide space to permit insulation applications, with 1"BASIC PIPING MATERIALS AND METHODS150556