بایگانی دسته‌ی: مقالات انگلیسی منهول پلی اتیلن

مقالات انگلیسی منهول پلی اتیلن

منهول بدون پله

48-24-Inch-Manhole-No-Step منهول بدون پله 24 الی 48 اینچ NOTES: UNLESS OTHERWISE SPECIFIED. 1. ALL DIMENSIONS ARE IN DECIMAL INCHES. 2. PRECAST MATERIALS AND MANUFACTURING METHODS SHALL CONFORM TO ASTM C-478. 3. CONCRETE SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH F C= 4000 PSI AT 28 DAYS. 4. THE PORTLAND CEMENT USED IN THE PRECAST SECTIONS SHALL […]

What is an Inspection Chamber?

Inspection Chamber What is an Inspection Chamber? An Inspection Chamber is a clean-out generally installed at the property line of a building. It allows the municipality or city to access the sanitary or storm sewers without disturbing the building owner. The municipality or city can service the laterals to the building with cleaning equipment for […]

مشخصات جداره رایزر | RISER WALL CONSTRUCTION

مشخصات جداره رایزر | RISER WALL CONSTRUCTION KianSanat Pasargad manufactures manhole risers using a spiral winding process. In spiral winding, a flatpolyethylene extrudate is wound over a rotating mandrel. A small corrugated tube is woundover first layer of extrudate to enhance stiffness of pipes. Smooth outer surface is achieved bywinding a flat extrudate over stiffener […]