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In place copper piping through a floor penetration floor plate requires what? where through a wall requires what?
A split cast brass floor plate with recessed hinges around copper tubes. source: 220518 submittal for Division 22 And through a wall requires a solid one piece escutcheon. (they look nearly identical)
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Ductile iron pipe is allowed on the site true or false? Per submittal 22 11 16 2 section 2.3?
According to the submittal it says N/A job in red next to the entry. So no, it is not being used according to the submittal; however, noise is a major issue and iron limits the noise when coming into walls for instance. So it is used
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Are dielectric flanges allowed per the job submittals?PRN5-6_221116.00_SUBMTL_PRN-6 Area A-E Domestic Underground (Shop Drawings) 087.pdf
 NO.
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Can you drill or tap drainage or vent pipe for a connection or thread cast iron pipe that is in the soil according to the Oregon plumbing code?
No. PP29 Oregon Plumbing Specialty Code
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Can plumbing piping be directly imbedded in concrete or masonry in the state of Oregon?
No. No plumbing piping can be subject to undue stress and this is not allowed. Oregon Specialty Plumbing Code 312.2 In fact, in 312.10, it mentions a sleeve must be used in concrete or masonry walls and concrete floors.
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According to The Oregon Plumbing Specialty Code. No opening in a strain opening for a drain inlet should not exceed what diameter per section 312.12?
1/2 inch or smaller is the requirement. To prevent rodents from getting into drains, etc.
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ABS and PVC piping can be allowed exposed to direct sunlight?
No. According to the Oregon Specialty Plumbing Code, the use of ABS is allowed only if painted with latex paint if exposed to direct sunlight. And PVC is not allowed unless painted with latex paint or wrapped in a tape of 1.02MM or more thickness. The use of tape is not allowed for ABS. 312.13 & 312.14
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A fitting or connection that has an enlargement, chamber, or recess with a ledge, shoulder, or reduction of pipe area that offers an ____________to flow through the drain shall be ____________. Oregon Specialty Plumbing code 315.2
obstruction to flow through the drain shall be prohibited. For example: mechanical P-traps are prohibited in Oregon
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Test pressure gauges shall have a pressure range of what? According to Oregon Plumbing Specialty Code 318.5?
Not exceeding twice the test pressure.
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According to the specs on this job, should domestic water pipes be installed level or not?
According to the above spec and section 3.2G the water pipe will be installed level without pitch and plumb.
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What must be installed in copper tubing at final connection to each piece of equipment, machine, and specialty per the PRN5-6_221116.00_SUBMTL_PRN-6 Area A-E Domestic Underground (Shop Drawings) 087.pdf sect3.2 R
unions must be installed and within 12 inches per the Oregon Specialty Code.
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According to the Oregon Plumbing Specialty Code, section 301.2.1 Marking: each ____________shall have cast, stamped, or indelibly marked on it the manufacuter’s mark or name, which shall be readily identifiable.
Each length of pipe, and each pipe fitting, trap, fixture, material, and device used in a plumbing system.
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According to section 3.2T of the submittal PRN5-6_221116.00_SUBMTL_PRN-6 Area A-E Domestic Underground (Shop Drawings) 087.pdf
What is the requirement for a thermostat in piping?
Thermostats must be installed in hot water circulating pipes.
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What size piping must use a butterfly or gate valves and what size must use ball or gate?
- Size 2 and smaller uses ball or gate and 2.5 and larger uses butterfly or gate valves.
- PRN5-6_221116.00_SUBMTL_PRN-6 Area A-E Domestic Underground (Shop Drawings) 087.pdf Section 3.4B
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According to the domestic water piping submittal 22 11 16-9, section 3.4C, the drain valves for equipment are at what locations?
- Drain valves for equipment are installed at the base of each water riser, at low points in horizontal piping, and where required to drain water piping.
- PRN5-6_221116.00_SUBMTL_PRN-6 Area A-E Domestic Underground (Shop Drawings) 087.pdf
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dielectric flanges NPS 2 and smaller and 2.5 and larger use what type of dielectric flanges usually? Section 3.5 of submittal 22 11 16-10.
2 and smaller uses dielectric couplings and unions, whereas 2.5 and larger uses dielectric flanges (see image). A dielectric union or flange is installed in a piping run of two dissimilar metals.
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What NPS indicates by size an increase in rod thread diameter?
2.5 NPS increase from 3/8 to 1/2 according to the submittal 22 11 16-11 for Domestic Water Piping.
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For the sleeve plumbing penetration, what is the requirement to seal the space outside of sleeves in concrete slabs and walls?
Per the submittal 22 11 16-13 section 3.11 "Sleeve Installation" part I, the sleeve outside edges in Walls and slabs must be sealed with grout.
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the main ground bus in the electrical room should be what size instead of 24x 4 inches?
According to 26 00 60-5 submittal for grounding and bonding the length should be 4inches by 4ft long.copper bar.
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According to sheet E111.1A for the data hall grounding plan, the stup ups from in slab or UG to columns must be located on which side of the column?
According to note 3 they must be on the non-circulating side of the column. This has been regarded as non-typical as grounding will not come up on the column in the penthouse, where circulating will occur.
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Can conduit be ran horizontal on the roof?
No. Per the print details and specs.
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What is the longest length of LFMC is what?
6ft. Per the print note 6 on print E110.2-6B2
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concrete slabs on grade require what annular space for a sleeve?
What is required for concrete slabs above grade
1 inch regardless of size.
- Above grade requires a galvanized steel pipe sleeve.
- source: 22 05 17-4 sleeves and seals for plumbing piping.
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Pipe loop and swing connection installation: riser and branch connections to mains, and terminal units tees in risers and mains require how many pipe fittings and tee's?
- 5 pipe fittings including tee to mains
- 4 pipe fittings including tee to risers
- 4 pipe fittings including tee to main
- source: 22 05 16-4 expansion fittings and loops for plumbing mains 3.3A-D.
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Under the specifications for "common work results for plumbing", part 3.11A Trenching, excavation, and backfill: what is the minimum distance from the edge of pipes to trenching?
Walls of all trenches shall be a minimum of six (6) inches from the side of the nearest pipe.
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According to Spec 22 14 13-4 for facility storm drainage piping What is the requirement regarding hub ends of piping?
Place hub ends of piping upstream.
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All heat trace requires what to be tied into it?
- 3.7 HEAT TRACE MONITORING
- A. BMS system shall include monitoring and alarm of all heat trace cabling. Monitoring shall be accomplished by Modbus TCP/IP interface to the heat trace controllers. Provide an alarm where surface temperature is 5 degrees or more below heat trace setpoint (generally, alarm at 40 F and heat trace setpoint shall be 45 F).
- 23 09 93.09 - 3 SEQUENCE OF OPERATIONS – MISCELLANEOUS
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