Home Infrastructure Environmental Sanitation Mailbox Mailbox Description Save In this document you can see the plans of standard mailboxes that are used in Peru for sewage systems Format DWG File size 419.59 KB DOWNLOAD DWG share your appreciation Related Posts sanitary boxes manhole detail sand trap Wastewater treatment plant details sanitary design Septic tank; absorption well and tank storm containment dam Structural design of an inclined drop Well with drop in pipes from 30 to 76 cm in diameter Structural reinforcement of storm sewer wells Topographic survey - sanitary sewer Sewerage system Sewage plant Spillway Tank foundation with max hydraulic system Water channel Sewerage system Calha Parshall Detail of pipes in roads Rainwater on roads doc