Cast Iron Double Seal Manhole Cover & Frame Specification

Cast Iron Double Seal Manhole Cover & Frame Drawing

Cast Iron Double Seal Manhole Cover & Frame for Foul Water, Light Duty, DS1038B

Cast Iron Double Seal Manhole Cover & Frame for Storm Water, Light Duty, DS1042B

Cast Iron Double Seal Manhole Cover & Frame for Foul Water, Heavy Duty, DS1036B

Cast Iron Double Seal Manhole Cover & Frame for Storm Water, Heavy Duty, DS1040B

Cast Iron Double Seal Manhole Cover & Frame

Features       : Airtight when sealing groove is filled with grease or other suitable
                       compound.

Functions     : Designated to be used in Government roadway drainage projects
                       and maintenance projects.

Applications : For Storm Water (with circumscribed raised stubs on the cover)
                       For Foul Water (with rectangular raised stubs on the cover)


Test Details of Cast Iron Double Seal Manhole Cover & Frame 

Type of manhole cover and  frame	Grade	Test requirements
		Diameter of block (mm)			Test load (t)
Type MA2-29/29 A&B  (DS1039B, DS1035B)	Heavy duty	300			20
Type MA2-45/45 A&B  (DS1040B, DS1036B)	Heavy duty	300			20
Type MC2-29/29 A&B  (DS1041B, DS1037B)	Medum duty	100			5
Type MA2-45/45 A&B  (DS1042B, DS1038B)	Medium duty	100			5

Drainage Services Department DS Series Standard Drawings
      for DS1035B, DS1036B, DS1037B, DS1038B, 
           DS1039B, DS1040B, DS1041B, DS1042B