While we are flushing our HWT system with domestic water for two day in a row, I noticed that the temperature of the circulating water just increased. I do not understand how this happen because we bypass the heat-exchanger in the system so the water is only circulating from the pump to the...
How to determine the static pressure requirement of an EXHAUST FAN serving a Generator room that is directly installed above the ceiling without duct knowing its capacity?
I know that for a non-ducted exhaust system, usually the SP ranges between .05" to .20" and exhaust system for generator...
How much percentage tolerance I can use in choosing the temperature rating of a FLEXIBLE CONNECTOR to be used for HOT WATER PIPING. Is there any standard or code for this? Please specify. The HOT WATER TEMPERATURE IS 82 deg Celsius, while the product that I'm planning on buying is WEICCO...
Dear Gentlemen,
So my issue is about the comment on the AS-BUILT DRAWINGS in which they wants me to reflect on the drawing the flow of water on the pipe including the branches and risers. Now the usual way of getting these values is by using the Hazen Williams Formula which will take time but I...
Can someone provide me with the formula for this and regarding the DP values is it possible just to deduct the readings on both suction and discharges gauges to get the DP?
For example in suction side of the pump the reading is 3 BAR and in the discharge line the Pressure is 4.5 BAR so the DP...
The situation is I need to provide a 110 dia. pipe to the suction side of a pump, in which it will be tap/connected to a 200 dia. pipe. The problem is the 200 dia. pipe is the mainline and already installed to supply the network in building. So my question is what is the best way for me to...
In my drawings instead of slope the invert level for each point are shown. How can I use this invert level for the installation of piping in the ceiling? I know that you can use the IL for computing the slope of the pipe but can it be use for measuring the exact distance between the ceiling slab...
What should I print on the labeling sticker for a Staircase pressurized fan duct?
Is "pressurized air duct" applicable? If not please provide the proper or standard way of naming it.
Thanks
Can somebody elaborate the meaning and importance of identifying weather the FCU is right hand or left hand type. From my understanding these are locations of coil connections for the supply and return water and will depends on the flow of the air if its going from left to right or right to...
Well here is the situation, the medical waste room in my site have a supply air of 250 l/s coming from an AHU and a 550 l/s capacity FCU unit installed inside. The room also have an exhaust register with flow of around 200 l/s. At first this room don't have a ceiling so both supply air register...
Hello there, I need to know the standard measurement/distance for the high and low level float switch used for SUMP PUMPS. Our set-up on site are 2 pumps for each sump pit. The pump have four level of float switch. The (1)high level (2)Alarm 2nd pump (3)Alarm 1st Pump) and (4)Low level/switch...
First, I would like to introduce myself as CJ Miranda aspiring to be a QA/QC Mechanical Engineer in the field of MEP works having a degree of B.S. in Mechanical Engineering. I graduated a year ago and applied for a position as a QA/QC Mechanical Inspector for a construction company as my...
