It seems rational in addition to what everyone else has said above to put some sort of fencing around the thing to keep the dogs safe.

. - RU-2, TWO-FAMILY RESIDENTIAL DISTRICT[19]SHARE LINK TO SECTIONPRINT SECTIONDOWNLOAD (DOCX) OF SECTIONSEMAIL SECTIONCOMPARE VERSIONSFootnotes: --- (19) ---Cross reference— Height of fences, walls and hedges in RU Districts, § 33-11; location of swimming pools in RU-2 Districts, § 33-20(c); maximum setback for principal residential buildings in RU-2 Districts, § 33-45.Sec. 33-201. - Uses permitted.SHARE LINK TO SECTIONPRINT SECTIONDOWNLOAD (DOCX) OF SECTIONSEMAIL SECTIONCOMPARE VERSIONSNo land, body of water and/or structure shall be used or permitted to be used and no structure shall be hereafter erected, constructed, moved, reconstructed or structurally altered for any purpose in an RU-2 District which is designed, arranged, or intended to be used or occupied for any purpose, unless otherwise provided for, excepting for one or more of the following uses:(1)Every use permitted in RU-1, RU-1M(a) and RU-1M(b) Districts.(1.1)Workforce housing units in compliance with the provisions of Article XIIA of this Code.(2)On lots meeting the requirements for two-family use, every use as a duplex or two-family residence, including two private garages.

The bridge goes from the main yard to another section of fenced in yard. 

Put stipulations on what type of fence you want to allow.

Time to read the landlord tenant laws in the major cities before you make comments like that, no offence.

I'd cover it with the mesh cover and then put some sort of fence around the pool so a child or pet doesn't walk on top of it 

If you have already issued a 5-day notice (legally meaning after the grace period) for the same offence in a calendar WI has a tool called the 14-Day you can issue. 

They have all types of fencing.

I mean no offence, and I wish you well with your investments.

Thanks no offence taken.