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Hi guy, Recently we have purchase infoworks icm 2020 in our office. But the local agency is use v8.5, Can ICM 2020 file downgrade to ICE v8.5 so the agency can read the file tsli

Hi guy I was arguing with my co-worker on constructing a temporary open channel. He is very insisting on use concrete trough for the bottom base of the 8m wide open channl. My stand is, it is a temporary open channel won't last that long, why dont we use cemet or epoxy reisn spread over the...

Hi guys, I’m new to U.S. construction flied, and next week they ask me to go out for RC checking. What is the term they use to check the steel bar pattern etc in the construction field? do they also submit steel bar manufacturer's certificates ? If so do they call differently? Thank you tsli

Thanks Man!

Hi guys: I am need to doing construction business, not to mention structtural. I have just received a site photo. As shown on the attached photo in link below can anyone identify what is back object surrounded by the re-bar? in what construction stage they put up the object? Thanks Tsli001

Hi guys, brandonbw brought up some good point, and I would like to thank you his opioion. I would like to ask that how is everything opinion on the drainage design system sustainability aspect in U.S.? Would everyone think that it have been full develop? The design life to our design can be...

Hi guys, I'm just start to use infoworks CS, I have just received a file with iwl extension. I was able to us in foworks CS Administrator to view it. But, I do need it to do some update. How can I extract the data and use it on to normal infoworks to use it or convert to iwt that sort of...

Hi guys, I have a interesting question when one of my friend from oversea has questioning me on the sustainable development in drainage design in united states. I kind of bring up the Stomrwater management policy guildline from DEP, and the LEED design standard. What do you think on the...

Hi guys, Thank you for you reply, I am aware of the advantage of RC pipe. Believe me the pipe is not for sewerage use. From where I came from’China’ the procurement of DI pipe is faster than RC pipe. And, we use Polyethylene lining for the DI pipe in storm drain. So that’s why ks is around...

Hi guys, I need some good poinst to make point for ductile iron pipe VS reinforce concrete pipe comparsion. In my case, ground cover is not an issue. I notice that DI pipe Ks is around 0.03 and RC pipe is around 0.15. So, it appear to me that DI pipe will have better hydraulic performance, but...

Hi Oldestguy, Thank you for you reply. Your brough out very intereting point if shrinkage occur on a particular area, and it require more change order to order more off site borrow to meet certain garde level.It will affect the construction progress, cause delay or fall behind? tsli001

Hi Oldestguy, Thank you for replying my message. The job (Assignment) that I involve with was happened long time ago. I can’t hard recall. As I remember. What my team (QA/QC team) did was do the proctor test for the water content of the soil, and did the in-place density for 98% compaction. I...

Hi guy, For soil Proctor test, can the test result can be used in monitoring soil backfilling progress in certain area?(behind schedule) Or, can sieve analysis data plot against time can let tell us how far the backfilling progress is? Thanks many tsli

Appearly over here we also need to calculate the walk by ourself. So, I need to do it. Is there any excel sheet out for RC designb. Other thing is can someone explain a bit on the 'bowsting effect' for the corner. Me and my co-worker really having trouble to follow it. Thank you

Hi there: Is there anyone got a RC cal. sample for designing a in-situ square manhale? Mainly is for the mahole wall and the manhole base slab. Thanks tsli

Hi guys : I think I may posted the same type of question for manhole design before. However, I have not yet got my answer. So, I had decided to ask the question in a different way. Currenty, I am working in southeast asian with american drainage design experience. Believe or not, all the...

Hi guys: I am working on job in which require me to calculate the water level. I was thinking HEC-22 for water level calculation. I was wondering is there any spread sheet out there that I can do some study so I can modify my spread sheet? tsli

Sorry about that folks let me re-upload a PDF file for it. tslihttp://files.engineering.com/getfile.aspx?folder=e3a017bb-49c6-4d02-aa63-df2eb56b756c&file=plan&profile.pdf

Thanks. JedClampett

Hi cvg: Thank you for a engineer understand my situation. Thats why I have been ask to 'Design' Thats why is a insituate pour . That why why in the beginning I said is more like a shaft or tank. So, I will like to know did anyone got any idea or any helpful link to design it? Again, most of my...