Nelson Irrigation Corp. 848 Airport Rd. Walla Walla, WA 99362-2271 USA Tel: 509.525.7660 Fax: 509.525.7907 E-mail: info@nelsonirrigation.com Web site: www.nelsonirrigation.com
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RISER STABILITY AND THRUST FORCE
2/05
These are for general guidelines only under normal operating conditions. The manufacturer assumes no liability for
specific purposes or damage. Normal product warranty and disclaimer applies.
24” DIA. X 18” DEPTH OF CONCRETE
26” DIA. X 14” DEPTH OF CONCRETE
28” DIA. X 12” DEPTH OF CONCRETE
30” DIA. X 10” DEPTH OF CONCRETE
32” DIA. X 8” DEPTH OF CONCRETE
TYPICAL CONCRETE THRUST BLOCK
FOR 0.9” NOZZLE AT 60 PSI (69 LBS THRUST)
ON A 10 FT. HIGH RISER.
RISER CONFIGURATION