Cast Iron Double Triangular Gully Grating & Frame Specification

Cast Iron Double Triangular Gully Grating & Frame Drawing

Cast Iron Double Triangular Gully Grating & Frame (Adjacent to kerb) H3117,H3118B GA1-450

Cast Iron Double Triangular Gully Grating & Frame (Away from kerb),H3117, H3118A GA1-450

Cast Iron Double Triangular Gully Grating & Frame

Features   : Vee shaped seatings provide cover stability under load.

Functions : To be used with Kerb Overflow Weirs to collect roadside ground 
                   water into underground drainage system.

Types       : 1) Adjacent to Kerb (Can be used with kerb overflow weirs)
                   2) Away from Kerb 


Test Details of Double Triangular Gully Grating & Frame
 

Type of gully grating and  frame GA1-450	Grade	Test requirements
		Diameter of block (mm)			Test load (t)
Shallow frame, adjacent to kerb DTG-432-517-C-JH	Heavy duty	300			20
Shallow frame, away from kerb DTG-432-517-C-YH	Heavy duty	300			20
Deep frame, adjacent to kerb DTG-432-517-C-J	Heavy duty	300			20
Deep frame, away from kerb DTG-432-517-C-Y	Heavy duty	300			20

Highways Department H Series Standard Drawings
      for H3116, H3117, H3118B