COMPLIANCE INFO_2021 - Laserfiche WebLink

Home Browse Search

and installation of FlexWorks piping. The installation of Access Pipe is 9.7 Installing Coupled Pipe Sections highly recommended for all FlexWorks piping systems. Refer to the After a pipe section has been coupled and inspected,the coupled Access Pipe installation manual for complete instructions and warranty pipe section may be connected to the OPW-FCS adapters and/or compliance. fittings. 9.4 Measuring Pipe Distances: When measuring the distance be- 9,8 Installing Pipe Through Chase: At this stage all of the Ac- tween containment sumps to determine the proper length of a flexible cess chase piping sections should already be installed. Install the pipe section to be installed,it is important to consider that the pipe is appropriate size Bull Nose Plug into the coupling and push the flexible and will not be installed perfectly straight. A slight weaving of FlexWorks piping through the Duct.(Refer to OPW-FCS's Flexible the pipe in the piping trench is recommended to compensate for ex- Underground Piping Manual for complete instructions) pansion and contraction characteristics of the piping.Measurements must be taken through the Duct chase pipe to insure the proper length. 9.9 Connecting Pipe Sections The measuring points will be from the face of the OPW-FCS fitting to After all coupled pipe sections have been inserted into the contain- the next OPW-FCS fitting. Record the"measured distance"and make ment sumps then connection of the pipe sections can begin inside the following adjustments depending on the connection system used: the containment sumps.Prior to connecting all double wall Flex- After the adjustments have been made to the recorded"measured Works piping with swivel couplings,install the appropriate size test distance",measure the outside of the unrolled flexible pipe carefully, boot. following the bends in the piping and mark the location to be cut with a permanent marker.Cut the pipe with an OPW-FCS pipe cutter as NOTICE: Prior to connecting Swivel Couplings,inspect the described in the Flexible Piping Manual. pipe couplings to make sure all seals are in place and free of dirt and debris.Look for any damage to the seals that may NOTICE: Be sure the pipe cutter is sharp and free of chips for a have occurred during the coupling procedure or when in- proper cut. Inspect the end of the cut to be sure the construction stalling through the Access Pipe. of the pipe was not damaged or compromised. 9,9,1 Swivel Fitting Systems: When installing swivel couplings, hand tighten the coupling onto the OPW-FCS fittings until it is snug. Pipe Length With an OPW-FCS swivel wrench,tighten the coupling nut 1/4 turn Type Couplings Diameter Adjustment more or to 200 in/lbs.Do not allow the pipe to rotate while tighten- ing.The'%turn procedure will prevent over tightening of the cou- Swivel(SPC and 1-1/2"and 2" Subtract 1" pling past the maximum 200 in/lbs. DPC CAUTION: Over tightening of the coupling will cause damage to the coupling gasket and result in the eventual leak of the 9.5 Coupling FlexWorks Piping system. CAUTION: Never use pipe dope or sealant on the threads of a STOP: Before coupling FlexWorks Piping,some components Swivel Coupling. such as entry boots and the Duct may need to be installed onto the pipe prior to coupling.Refer to the Flexible Piping Manual for 9.9.2 '/<"and 1"Swivel Pipe Couplings: The%"and 1" further clarification. FlexWorks pipe couplings are fixed male NPT fittings and are as- sembled as rigid steel pipe.After installing the appropriate test The FlexWorks piping system requires the use of the OPW-FCS COU- boot,apply a liberal amount of UL Listed thread sealant to the pling Machine for proper installation of the pipe couplings onto the threads of the coupling and tighten to 20 ft/lbs. ends of the flexible pipe sections.Refer to the Flexible Piping Manual for proper coupling machine use and warranty compliance. Different 9 9 3 Interstitial Test and Connector Tube Assemblies sizes of Swivel Couplings require their own swage kit to properly The jacket of double wall FlexWorks piping must be tested to en- swage the coupling onto the pipe. Refer to the OPW-FCS Products sure liquid tightness.Connect all test and connector tubes into the Price List for a list of the appropriate swage kit. test boots.Tighten all band clamps to 30 in/lbs. WARNING:OPW-FCS's coupling machine is not intrinsically 10.0 Testing Supply Pipe safe and cannot be used in hazardous areas. It is important to properly test the FlexWorks piping system prior to NOTICE:Do not use silicone-based lubricants to lubricate the backfill to insure there are no leaks in the primary or secondary swage.Only metal assembly paste or white lithium grease should piping.The following test procedures are provided as a guideline be applied into the coupling insert. Make sure entire coupling only and the manufacturer assumes no responsibility or liability for assembly is on the machine prior to swaging. the consequences of any testing practices. NOTICE: Make sure that the pipe is in a vertical position an that Note: Access piping provides additional protection and the the coupling ferrule is against the coupling nut and the swivel nut ability to perform routine maintenance or removal of Flex- is flush against the faceplate at all times during the swaging cy- Works piping and is not intended as containment.Air testing cle. of the Access piping is not required however,should testing 9.6 Coupling Inspection: Inspect the installed pipe coupling assem- of the chase be desired,pressurize the Access Pipe to no bly inside and out to make sure there was no damage to the insert, more than 5 PSI. ferrule or nut during the swaging operation. NOTICE: Before and after the coupling process the protective coupling cover should be kept on the coupling.This precaution will lessen the possibility of damage and contamination by dirt, sand and debris that could compromise the sealing process.