Home Infrastructure Hydraulics 4 weir valve box 4 weir valve box Description Save Reinforced concrete box with 4 valves and 4 spillways; includes volumes of materials Format DWG File size 802.47 KB DOWNLOAD DWG share your appreciation Related Posts Drain storage tank nozzle well drilling Catchment 3d filtering equipment Catchment; reservoir; purge valve reservoir plan canoe bridge Arquitos street water network Bottom spring collection system Drinking water collection Tubular well drilling and equipment Groundwater collection sand trap Water channel air pass pipe installation 1m3 pressure breaker box for water system Comprehensive drinking water system of Villa Santa Maria drinking water network supported reservoir