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Hi, Does anyone have a manual for a complete testing and commissioning procedures as well as the complete tests required for a newly constructed office building (Plumbing, Fire protection, HVAC, Integrated Automation, Electrical and Communication Works). Thanks, Arvinolga

Can anyone provide a pdf copy of the above subject. Really need it. Thanks

Hi, May I inquire if wooden doors are acceptable for installation for electrical rooms? If ok, what is the minimum fire rating for it? Thanks arvinolga

Hi, Would there be any effect (interference) if the 12V dc power supply cable is inside the same conduit together with the CCTV cable even if the voltage is very low? Thanks, Arvin

Hi, Anyone who can comment on the best practice regarding grounding design of an office building. Some info on the system: Transformer: delta-wye System voltage: 400/230V Also, the building will have a lightning protection system. Should the lightning protection's grounding system be separate...

Hi, Any additional/special requirement if you want to provide an underground fuel tank for the office building's standy gensets?

Hi, Need some guidance regarding the design of a transformer vault room (please see attached link for a copy of the plan). The vault room is beside the genset area but entrance for both is of a rool-up door type. Is there prohibition to use a roll-up door window, assuming everything is...

Can anybody suggest a design computation of a transformer room ventilation (forced air) with the following data? Transformer area - 4.00m(L) x 3.00m(W) x 4.00m(H) Location - at the side of the building Transformer size 1000kVA, 13.8/0.415kV, 60hz iron losses - 1,800 watts copper losses...

Can anybody have some additional explanation, comments or confirmation regarding the issue below? Thanks in advance.. Transformer: Unindo by Altom (Poyry) T&D Design Standard: ANSI C57 Power Capacity: 1000kVA, 3 phase, 60Hz Nominal Voltage: 13.8/0.415kV Temperature Rise Data: Winding - 65 deg C...

Hi! Can anybody inform me of the required minimum clearance of a transformer (in this case, an oil immersed 1000kVA 13.8/0.415kV, indoor/outdoor type, ONAN) to the walls of the vault room? We will install this transformer and will construct a 4m x 3m vault room. Thanks, Arvin

Hi! Can anybody help me regarding my query? We are required to provide a new transformer to one of our buildings but the location of the nearest tappong point is a bit far from the location of the new transformer room where the new transformer will be located. It is about 300meters but the...

Can anyone tell me the logoc of combining two meters (secondary) where the transformers are connected in parallel? And probly how to do it? Arvin

Got a query, We have a medium voltage system (13.8kV) stepped down to 0.415kV via an oil immersed transformer. The LV system has a Main ACB of 3200Amp and Sub-breaker of 4 x 800Amp distributed to 4 tenants. It is currently installed with an Earth leakage relay ("ELR") for each sub-breaker...