عناوین مقاله ( جهت نمایش سریع)
پنهان
۴۸-۲۴-Inch-Manhole-No-Step
منهول بدون پله ۲۴ الی ۴۸ اینچ
NOTES: UNLESS OTHERWISE SPECIFIED.
۱. ALL DIMENSIONS ARE IN DECIMAL INCHES.
۲. PRECAST MATERIALS AND MANUFACTURING METHODS SHALL CONFORM TO ASTM C-478.
۳. CONCRETE SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH F C= 4000 PSI AT 28 DAYS.
۴. THE PORTLAND CEMENT USED IN THE PRECAST SECTIONS SHALL MEET THE REQUIREMENTS OF TYPE II/V HIGH SULFATE RESISTANT CEMENT IN ACCORDANCE WITH ASTM C-150.
۵. RING AND COVER SHALL BE GREY CAST IRON CONFORMING TO ASTM A-48 CLASS 35B.
۶. RING AND COVER STYLE AND MARKINGS VARY BY SPECIFYING AGENCY.
۷. PRE-CAST JOINTS SHALL BE SEALED USING MASTIC.
۴۸-۲۴-Inch-Manhole-No-Step