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RD364 TYPE G-1, G-2, G-2M, & G-2MA CONCRETE INLETS RD364.dgn 21-JUL-2015 N/A 20-JUL-2020 1 1'-6" 4" drain pipe Base drain, min. 12" 1 INLET TYPE W W G-1 G-2, G-2M, G-2MA 1 " 8 7 1'-8 " 8 7 2'-8 " 8 3 3'-3 " 8 3 2'-3 TYPE G-1, G-2, G-2M TYPE G-2MA WITHOUT SUMP DETAIL A TABLE A SECTION A - A SECTION B - B SECTION C-C C C PLAN PLAN B B A A (See general note 5) Tracer wire when directed Shape bottom 4" min. (Typ.) 6" W W 6" break Grade Finish grade (See general note 9) when required " preformed filler, 4 3 Subgrade (See general note 5) Tracer wire (See general note 11) (Typ.) Pipe connection varies (See general note 3) Sump " 2 1 1 (See general note 4) Curb (Type var.) Aggr. backfill " 2 1 1 6" normal 6" Varies W 6" 6" W Normal pavement slope (See general note 2) Frame & grate see inlet G-2 For details not shown, face of concrete unless shown or noted otherwise All reinforcement to be placed 2" clear of nearest NOTE: #4 bars @ 6" #4 bars " 2 1 1 6" (See general note 2) Frame & grate 6'-0" 6'-0" " 4 1 2'-4 6" " 4 1 3'-4 (See general note 10) Pay limit for conc. inlet 6" 1'-6" 6" 8" Varies min. 12" Top of curb 4" drain pipe (Typ.) Base drain, (Typ.) Aggr. backfill Subgrade (See general note 5) Tracer wire (Typ.) (See general note 11) (Typ.) Pipe connection varies (See general note 3) Sump normal 6" (See general note 11) (Typ.) Pipe connection varies 4" flow line Depressed gutter flow line Normal gutter (Typ.) Slope 1:12 nom. (See general note 9) when required " preformed filler, 4 3 " 2 1 1 Top back of curb Top face of curb (Typ.) Aggr. backfill 4" drain pipe (Typ.) Base drain, (See general note 9) when required " preformed filler, 4 3 Concrete inlet (See general note 2) Frame & grate (See general note 5) Tracer wire (Typ.) Normal gutter flow line 12" 11. See Std. Dwg. RD339 for pipe to structure connections. 10. See Std. Dwg. RD363 for gutter transition section, when curb and gutter are required. " preformed filler (in concrete pavement or gutter only) to extend through thickness of concrete. 4 3 9. 8. All concrete shall be commercial grade concrete. 7. Location, elevation, diameter, slope, and number of pipe(s) varies, see project plans. 6. Max. pipe diameter varies with pipe material. 5. See Std. Dwg. RD336 for tracer wire details, or approved alternate. 4. For curb details, see Std. Dwgs. RD700 & RD701. 3. Provide sump only where shown on plans, and allowed by jurisdiction. See Detail A for inlet without sump. For frame and grate details, see Std. Dwg. RD365. Type 1 grate allowed only in locations not subject to bicycle or pedestrian use. 2. Graphics show G-1 inlet with Type 2 grate. See Table A for inlet dimensions. crushed aggregate shall be provided. All precast inlets shall conform to requirements of ASTM C913. 4 1 1. Where precast inlets are used as an alternate to cast-in-place inlets, a 4" compacted leveling bed of sand or GENERAL NOTES FOR ALL DETAILS ON THIS SHEET: the current Oregon Standard Specifications. All materials shall be in accordance with DATE REVISION DESCRIPTION OREGON STANDARD DRAWINGS 2021 DATE SDR BOOK NO. CALC. Effective Date: June 1, 2023 - November 30, 2023 Professional Engineer. first consulting a Registered and should not be used without sole responsibility of the user principles and practices, is the generally accepted engineering designed in accordance with Standard Drawing, while The selection and use of this