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What are the design guidelines or criteria in the design of Fire Protection Piping?

Can anyone help me estimate the fire water demand and pressure required for an office building. We need this info as preliminary interface data for utility requirement. Any information is highly appreciated. Thanks.

What is the benchmark for the quality of chilled and condenser water? I believe it is measured in ppm of minerals but what type of minerals should we be removing to maintain the good quality?

What are the normal working pressures for R-12 refrigeration system (suction and discharge pressures)? Thanks

What flange are used in RTR piping.

What are the requirements in Engine room ventilation? Thanks.

We are trying to troubleshoot a refrigeration system running on freon 12. The reciprocating compressor trips off during 30 mins of run. The comressor motor and mechanical system is newlyh reconditioned and tested before installation. What could be the possible causes and your recommendations. Thanks

What are the design guidelines or requirements for smoke extraction system in a space or room like communication room. Thanks

Is it ok to have an off coil of 11C DB and 100%RH if our desired room temperature 22-24C? Isn't it at 100%RH the air is at saturation point? I would highly appreciate any comments. Thanks

Is there a maximum length for chilled water piping loop? If there is how long is the maximum run of pipe? Thank you all!

Is there a quick estimate on how to get the tons/sq.meter for a walk-in cold storage room? Any comments will be highly appreciated! Thanks, -cris

We are designing a shopping mall and one of the requirements is to provide smoke extraction system. Can anyone tell me of the necessary code or standard for the design calculation for this requirement. Is it by means of air change per hour, if it is how how much air change is required for a...

I am new to piping design and I would like to know how to interpret the output report from CAESAR II pipe stress analysis. What are the specific items to look at and consider. Thanks!

Is there any available water network design software which I could use for sizing pipe loops and determining water flows? thanks

Is there a water piping network software that can be used for solving a complicated water piping project? If there is, where can I find it. Thanks, -cabalen