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Hello to Everybody, We have an installed Ventus VTS VS 15 AHU. The operation and maintenance manual was not provided by the contractor and we are currently making a tender for the PM. The problem is we cannot make any scope of work. Its my first time to encounter an AHU to be used as Fresh air...

Thank you for all the inputs. I can now convince management to do the next steps. All of you are really of great help. Regards to all and again thanks for the help. Regards, Mech Mechathan

Thanks Bill, Its just that when you're in Middle East, the service group of the manufacturer is harder to cooperate with client. They dont even want to have it serviced all the time, but has not given any sensible answer from us why. I agree with you Diesel Engines does not want light loads...

Hello Everyone, I have 2 Cummins generator NT 855 at 320KVA capacity each with ATS. Only one generator is being used and at the moment is at about 10% or below load capacity. Each of the generator runs for 2 weeks 24/7 before we do the change over. Two questions: 1. Does the generator, even at...

Hi everybody, Our client has asked if we can install a smoke evacuation system in the building that they are going to occupy but the building ownder does not agree since it is not specified in the local fire code. Do you have any references in the NFPA, ASHRAE or any standards that can show...

Also, will a crystallization or Flexible cementitious water proofing do the trick? Thanks. Mechathan

Thanks Concretemasonry. Do we have any website that we can view for the details? Thanks again. Mechathan

Hi there, We are having problems with leaks coming from the wall of basements mostly are seepages during rainy days caused by minor breaches on the retaining walls. Our conultant commented that these do not impair the structural integrity of the walls and is still structurally sound. The...

Yeah.. sure beats me... how about when we need to run all four? The building will be 100% occupied by January and We may not have a choice but to run all of it. Thanks for the idea. Mechathan

Hi Guys, I am managing a building with 4 cabinet type induced draft cooling towers with a capacity of 100 tons each. The elevation/air space from the bottom of the cooling tower to the foundation is 4 ft and the distance from the tower to the wall is also 4 ft. Attach is a schematic drawing on...

For curtain walls, stairs, and other claddings. More on the Architectural side of things. Thanks for the verification RossABQ. Mechathan

Yup, the elevator from the right side goes up, as a general practice. We will get the escalator suplier if reversing can be allowed, but right now the design might fit in to a reversible operation. Thanks for all the help. Mechathan

Does anybody know any website where I can find a downloadable video for aluminum fabrication process and equipment being used for high rise construction? Starting from the sizing/measurement, methods of joining, up to installation. This will be used to train people in our company the basic...

I am to manage a complex building with Escalators and I heard that a consultant from the owner side asked the maintenance personnel to reverse the direction of the escalators to minimize wear and tear. I really cannot comprehend because running the escalators either way will still wear down the...

Thanks for the formula. We'll use this for our pf requirements. Our average demand is at 3.2MW spread over a year. It is still safe to say that it is within capacity. But with tenants moving in at a faster phase, we might hit 100% occupancy by mid 2008, which is our worry right now. We can do...

Waste, such as overcooling. The Building Management system is still not futioning well. They are still trying to repair it including sensors that controls the compressor. Thanks for the tips on conserving energy during emergency runs. Is there a website that can give us some information on how...

We bill the tenants as we are in the primary metering system. Also, I assume that the utility company will not in any way make mistakes in metering since this will have a big effect in their bottomline. N+1 might be a good idea but considering the cost to purchase one and will just be used for...

We have 3 gensets used as back up in a high rise building. 2 gensets were tagged as prime power at 1.6MW each rated capacity. The other is at 1MW rated capacity and plated stand by. Our billing from the power utility suggested a 3.5 MW demand (max) last month and the building is 80% occupied...