2012 MBA Drainage Work
Street ADDR PipeSize NOTES:
Name # 12" 10" 8" "dw"="driveway culvert"; # denotes street address
           
Errett: 1 6     replace dw and pipe/fill all ditch (include surface T just e of dw) (pipe outlet elev .1' above DelDOT culvert W of fence; slope .1' per 100')
  3 4     replace and pipe/fill ditch from #3 driveway to W prop line (incl surface T just W of dw; follow above slope; last piece of pipe has .2' slope per 20')
  5   1.5   replace 30' dw; lower ditch-slope .1' per 100'
  7   1.5   replace 30' dw; lower ditch-slope .1' per 100'
           
  4   2   replace 30' dw (outlet elev .1' above inlet of #2) (ditch OK for this year)
           
Short: 1 2     backfill around cleanout boxes (MBA to replace T with second cleanout box in early January)
  3       backfill betw dw and W prop line; riprap E side of dw
  5 3     replace 60' -new elevation .5' above outlet at #3; old pipe (too deep) remains; new pipe slightly closer to street
           
           
Bayberry: 4 5     replace 30' dw (raise ditch bottom about 4") (pipe/backfill addtl 70' dtich at homeowner expense-slope .1' per 100'; last pipe .2' per 20')
  6 1.5     replace 30' dw (raise ditch-slope .1' per 100') (remove vegetation between ditch and road)
  8 1.5     replace 30' dw (raise ditch-slope .1' per 100')
           
  13       reseat 30' dw at exist elev (dip in the middle)
           
Bridge: 12   1.5   replace flatter (dnstream end OK; upstream end 6"' too high)
  14     1.5 replace 30' dw (lower about 7")
  16     1.5 (asphalt driveway-try to leave undistrubed)
           
           
Addy: 2 3     investigate utilities in the way of new cross-road pipe to tie S ditch into N drainbox by #1 (design now; FUTURE WORK)
           
           
PIPE:          
TOTAL   26 6.5 3  
OnHand 30 17 15