C StormTech DC-780 Chamber

1 StormTech DC-780 ChamberDesigned to meet the most stringent industry performance standardsfor superior structural integrity while providing designers with a cost-effective method to save valuable land and protect water StormTech system is designed primarily to be used under parking lots thus maximizing land usage for com-mercial and municipal applications. 12' Deep Cover applications. Designed in accordance with ASTM F 2787and produced to meet the ASTM F 2418product standard. AASHTO safety factors provided for AASHTO Design Truck (H20) and deep cover conditions* Assumes 9" (230 mm) stonebelow, 6" (150 mm) stone above,6" (150 mm) row spacing and40% stone ChamberStormTech DC-780 Chamber (not to scale)Nominal Chamber SpecificationsSize (L x W x H) " x " x " (2169 x 1295 x 762 mm) Chamber ft3( m3)Min. Installed Storage* ft3( m3)Shipping24 chambers/pallet60 end caps/pallet12 pallets/truck StormTech DC-780 Chamber10 (254) ( ) ( )9 (229) ( )8 (203) ( )7 (178) ( )6 (152) ( )5 (127) ( )4 (102) ( )3 (76) ( )2 (51) ( )1 (25) ( )Note: Add cu.

2 Ft. ( m3) of storage for each additional inch(25 mm) of stone FoundationAmount of Stone Per ChamberNote: Assumes 6" (150 mm) of separation between Chamber rowsand 18" (450 mm) of cover. The volume of excavation will vary as thedepth of the cover of Excavation Per Chamber yd3(m3)Stone Foundation Depth9" (230 mm) 12" (300 mm) 18" (450 mm) StormTech DC-780 ( ) ( ) ( )Note: Assumes 40% porosity for the stone, the bare Chamber volume,6" (150 mm) stone above, and 6" (150 mm) row spacing. Storage Volume Per Chamber ft3(m3)BareChamber and Stone Volume-ChamberStone Foundation DepthStorageinches (millimeters)ft3(m3)9 (230)12 (300)18 (450) StormTech ( ) ( ) ( ) ( )Note: Assumes 6" (150 mm) of stone above, and between Foundation DepthENGLISH TONS (YD3)9"12"18" StormTech DC-780 ( yd3) ( yd3) ( yd3)METRIC KILOGRAMS (M3)230 mm300 mm450 mmStormTech DC-780 3810 ( m3)4264 ( m3)5080 ( m3)45 (1143) ( ) ( )44 (1118) ( ) ( )43 (1092) ( ) ( )42 (1067) ( ) ( )41 (1041) ( ) ( )40 (1016) ( ) ( )39 (991) ( ) ( )38 (965) ( ) ( )37 (940) ( ) ( )36 (914) ( ) ( )35 (889) ( ) ( )34 (864) ( ) ( )33 (838) ( ) ( )32 (813) ( ) ( )31 (787) ( ) ( )30 (762) ( ) ( )29 (737) ( ) ( )28 (711) ( ) ( )27 (686) ( ) ( )26 (660) ( ) ( )25 (635) ( ) ( )24 (610) ( ) ( )23 (584) ( ) ( )22 (559) ( ) ( )21 (533) ( ) ( )20 (508) ( ) ( )19 (483) ( ) ( )18 (457) ( ) ( )17 (432) ( ) ( )16 (406) ( ) ( )15 (381) ( ) ( )14 (356) ( ) ( )13 (330) ( ) ( )12 (305) ( ) ( )11 (279) ( ) ( )

3 Depth of WaterCumulative Total System in SystemChamber StorageCumulative StorageInches (mm)ft3(m3)ft3(m3)Depth of WaterCumulative Total System in SystemChamber StorageCumulative StorageInches (mm)ft3(m3)ft3(m3) DC-780 Cumulative Storage Volumes Per ChamberAssumes 40% Stone Porosity. Calculations are BasedUpon a 9" (230 mm) Stone Base Under the Cumulative Storage Volumes Per Chamber (cont.)