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  1. Ariel Reyes

    Hello, We are currently engaged

    Mr. Saikee119 thank you for your comments. I will attach the sketch and Civil Storm hydraulic model of the system for your review. The attached sketch is the current design w/c unfortunately does not include a second sealing weir due to space and construction schedule limitations. There will be...
  2. Ariel Reyes

    Hello, We are currently engaged

    Hello Little Inch and Everybody, I'd like to pick up where we left off in this thread. May I ask for your technical advise on whether vents should be provided on the outfall basin (see attached sketch) and where they should be located and sized? Are there references on vent sizing...
  3. Ariel Reyes

    Hello, We are currently engaged

    Thanks for the quick reply Little Inch, correct me if I'm mistaken, here is what I understand from your comments/suggestions: 1. Another sealing weir for the 56" RTR pipe, just a little smaller. 2. From the new sealing weir, run the RTR pipe thru a 90 degree elbow before discharging into the...
  4. Ariel Reyes

    Hello, We are currently engaged

    I've developed a sketch for the existing outfall basin. The sketch shows a proposed 4.5 by 13 meters box culvert to which the existing 100" reinforced concrete pipe (RCP) and 56" (reinforced thermosetting resin) RTR pipe will be connected. A portion of the 100" RCP pipe will be cut to free up...
  5. Ariel Reyes

    jointing detail between existing and new pump paving

    Hi Ron, Apologies for the late reply and many thanks. However, I've got a question to that approach. For a small paved area containing pumps with no likelihood vehicular traffic, is the use of dowels still applicable? Regards, Ariel
  6. Ariel Reyes

    jointing detail between existing and new pump paving

    Hello there, Kindly provide some comments on the attached jointing detail between an existing and new 6" paving. As indicated on the plan and detail, the existing curb will be demolished to enable extension of the concrete pavement which will serve as containment for additional valves and...
  7. Ariel Reyes

    Hello, We are currently engaged

    If I may ask, what sort of mesh can we use on the basin? Can't we use concrete by extending the wall by 1.6m? Can you provide a sketch?
  8. Ariel Reyes

    Hello, We are currently engaged

    2nd picturehttps://files.engineering.com/getfile.aspx?folder=8e1d93f2-fb63-4ef6-a2be-5e6ba72c2d20&file=DSCN2144.JPG
  9. Ariel Reyes

    Hello, We are currently engaged

    Here are two pictures of the basin. https://files.engineering.com/getfile.aspx?folder=09fd5551-01ba-4df2-ba30-ecf31dbbc9fd&file=IMG_1549.JPG
  10. Ariel Reyes

    Hello, We are currently engaged

    Little Inch, Coloeng, Apologies for the late reply. We just had a long discussion about this and we decided to leave the basin as it is, with 31000 cmh, except that we intend to raise the wall to another 1.6 meters and provide a 54 inch bypass line (carrying 15000 cmh) on the existing 100 inch...
  11. Ariel Reyes

    Hello, We are currently engaged

    Hello Little Inch, Thanks for the reply. The driver for these modifications is the increase in cooling water return discharge from 31000 cmh to 45000 cmh. Another thing is that from visual inspection at 31000 cmh, there are splashes outside the basin. Must be from the jetting action of the RTR...
  12. Ariel Reyes

    Hello, We are currently engaged

    Here is attachment 2https://files.engineering.com/getfile.aspx?folder=cadfba85-1414-4541-a262-5186b4545455&file=Attachment_2.pdf
  13. Ariel Reyes

    Hello, We are currently engaged

    Hello, We are currently engaged in the engineering design modification of an existing seawater outfall basin and outfall piping system which will convey cooling water return effluent into the sea for discharge and dilution. Can somebody explain to me the following: 1. function of the weir...
  14. Ariel Reyes

    Hi Everyone and Merry Christmas!

    Hi Everyone and Merry Christmas! I'd like to know if it is possible to maintain proper tension on the wire mesh fabric without brace or tension bands. Is it possible to weld the fabric to the top, bottom and vertical pots as indicated on the attached sketch? Are there any technical standards...
  15. Ariel Reyes

    Seawater Marine Outfalls

    Many thanks for your replies, this would give us much needed direction in our design!
  16. Ariel Reyes

    Seawater Marine Outfalls

    Hello mk3223, We actually have a consultant who'll design the outfall port side and generate some thermal plume study. What we're after here is if the feeder/outfall pipe can generate a static head strong enough to counteract the high water level of 51.74 meters. Regards,
  17. Ariel Reyes

    Seawater Marine Outfalls

    Hello Everyone, I'm looking for some technical advise on the design of seawater marine outfalls, particularly, technical standards, codes which govern the sizing of outfall pipes, diffuser ports. For a 30,000 cubic meters per hour discharge rate, I've come up with these figures. 1. Pipe...
  18. Ariel Reyes

    G1 GRAVEL

    AC, can I take a look at it? Does the spec reference technical standards like ASTM or AASHTO?
  19. Ariel Reyes

    G1 GRAVEL

    Thanks Dik, but is there an official, technical standard showing aggregate/gravel gradation for G1 gravel?
  20. Ariel Reyes

    G1 GRAVEL

    Hi, I'd like to know whether G1 gravel refers to a particular size or gradation for gravel. Is it suitable for gravel paving and surfacing? Does it relate to ASTM D2940 (see attachment)...

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