I bought this cheap pump from Thaiwatsadu
https://www.thaiwatsadu.com/en/product/ปั๊มจุ่มน้ำเสียพร้อมลูกลอย-GIANT-KINGKONG-PRO-รุ่น-QDP-400AW-กำลัง-400-วัตต์-สีน้ำเงิน-60275173?cate=540102
good enough to empty & refill my 15x15x3m pond.
I thought that in cases where the guilty party is under insured, that the non guilty party's first class insurance covers the damage & classes it a "no fault" claim.
Allow whatever Emirates gives you for transit when you book the ticket. Very quick to transit in Dubai. If they sell you the ticket, you will make the connection.