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  1. mirza057

    Cooling an Electrical Room via Ventilation

    SSDD09, The spot ventilation is a good Idea, are there any instances as such used in the electrical rooms? Do they work?
  2. mirza057

    Supply Air Flow

    The air and water side calculations will be done by HAP. All you need to do is give the correct inputs. With regard to the damaged duct, It will be required to carry out a smoke or light test on the duct and the contractor will be obliged to change the piece of duct if it fails the test. Just...
  3. mirza057

    CFD Analysis for open/Natural Ventilation required?

    Guys, For the Open parking structures satisfying the requirements of NFPA 88A, 5.5.1 and 5.5.2, Is the CFD analysis required to be done or not? In the open parking structures we are using the natural ventilation only and it is above ground. Thank you Guys.
  4. mirza057

    Smoke exhaust design in car park Buildings

    Hi, Mine is open, actually natural ventilation is acceptable if in compliance with NFPA 88A 5.5.1. Thanks for the reply.
  5. mirza057

    Smoke exhaust design in car park Buildings

    Guys, For an above-ground 2 storey car parking building with acceptable natural ventilation as per NFPA 88A 2011 5.5.1, is mechanical smoke exhaust system still required. Can we just trust the natural ventilation to exhaust the smoke on its own?
  6. mirza057

    Sewage Sump Pits

    Pedarin, Thanks for the reply but, I mean to ask if one sump pit can collect sewage from multiple sump pits and then dispose of to the network.
  7. mirza057

    Sewage Sump Pits

    Guys, Is it acceptable if multiple sewage sumps are connected to a single large sump pit from where it will then be disposed off to the site sewage network? All 3 sump pits are at the same level, below grade.
  8. mirza057

    Sewage Sump Pits

    Guys, Is it acceptable if multiple sewage sumps are connected to a single large sump pit from where it will then be disposed off to the site sewage network? All 3 sump pits are at the same level, below grade.
  9. mirza057

    Pump design for maximum flow

    Thanks little inch...great answer
  10. mirza057

    Pump design for maximum flow

    Thanks Pedarrin..
  11. mirza057

    Pump design for maximum flow

    Guys, I have 2 duty pumps for a storm water pumping station. Is it absolutely necessary that we design these 2 pumps for 100% of the flow capacity? What are the factors that would determine this decision.
  12. mirza057

    Pump design for maximum flow

    Guys, I have 2 duty pumps for a storm water pumping station. Is it absolutely necessary that we design these 2 pumps for 100% of the flow capacity? What are the factors that would determine this decision.
  13. mirza057

    Number of Pumps ( duty + standby)

    Thank you guys[bigsmile]
  14. mirza057

    Automatic fire suppression system for FAHU room

    Guys, As per NFPA 13 8.1.8 sprinklers shall not be required in the air handling unit rooms not intended for occupancy. I have a FAHU room outside of the building; the contractor refuses to provide an automatic fire suppression system (water sprinkler based) and only fire extinguisher. I am...
  15. mirza057

    Number of Pumps ( duty + standby)

    Guys, What is the basic criteria to decide the number of pumps. I mean, 1 duty + 1 Standby or 2 duty + 1 standby. How to be decided?
  16. mirza057

    Combining forced sewer pipes

    Thank you guys Bimr, kindly can you let me know what do you mean by plugging? Is it blocking?
  17. mirza057

    Combining forced sewer pipes

    Peddarin, The first sentence in your reply is unclear, can you please rephrase it?
  18. mirza057

    Controlling pressure in the Domestic water system

    Thank you guys
  19. mirza057

    Combining forced sewer pipes

    Guys, Is it ok to combine the forced sewage pipes from 2 sump pits before they get into the inspection chamber(manhole), i think they must be taken separately till the inspection chamber.
  20. mirza057

    Domestic water tank sizing

    Thank you Peddarin

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