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