The most common CorGal tanks in use are the tanks with 30-degree roofs. This standard tank consists of corrugated galvanized steel wall sheets with a 30-degree galvanized steel roof system. The standard 30-degree roof tanks are equipped with a geotextile preliner and a flexible membrane main liner for water containment.

The corrugated high-rib roof (CHR) design is standard on all models 12′ diameter and larger. The 6′, 8′, and 9′ diameter models have a flat-seam (FS) roof as standard but the corrugated high-rib roof is available as an option.

The 30-degree roof tanks are pre-engineered for water storage in a seismic zone 2B with a 90 MPH wind speed at a UBC Exposure C location. Roof snow load ratings are available for specific locations.

Water Storage Tank 30-Degree Roof

STANDARD ROOF TANK SIZES BY DIAMETER

TANK MODELDIAMETEREAVE HEIGHTPEAK HEIGHTGALLONS
0601-WT-FS-256′3’8”5’2”700
0602-WT-FS-256′7’3”8’9”1,500
0603-WT-FS-256′10’9”12’4”2,200
0604-WT-FS-256′14’4”15’10”3,000
0605-WT-FS-256′17’11”19’4”3,700
0606-WT-FS-256′21’5”23’1”4,500
0601-WT-CHR-256′3’8”5’8”700
0602-WT-CHR-256′7’3”9’3”1,500
0603-WT-CHR-256′10’9”12’9”2,200
0604-WT-CHR-256′14’4”16’4”3,000
0605-WT-CHR-256′17’11”19’11”3,700
0606-WT-CHR-256′21’5”23’5”4,500
0801-WT-FS-258′3’8”5’10”1,300
0802-WT-FS-258′7’3”9’5”2,700
0803-WT-FS-258′10’9”12’11”4,000
0804-WT-FS-258′14’4”16’6”5,300
0805-WT-FS-258′17’11”20’1”6,700
0806-WT-FS-258′21’5”23’7”8,000
0801-WT-CHR-258′3’8”6’2”1,300
0802-WT-CHR-258′7’3”9’9”2,700
0803-WT-CHR-258′10’9”13’3”4,000
0804-WT-CHR-258′14’4”16’10”5,300
0805-WT-CHR-258′17’11”20’5”6,700
0806-WT-CHR-258′21’5”23’11”8,000
0901-WT-FS-259′3’8”6’1”1,700
0902-WT-FS-259′7’3”9’7”3,400
0903-WT-FS-259′10’9”13’2”5,000
0904-WT-FS-259′14’4”16’9”6,700
0905-WT-FS-259′17’11”20’3”8,400
0906-WT-FS-259′21’5”23’10”10,000
0901-WT-CHR-259′3’8”6’6”1,700
0902-WT-CHR-259′7’3”10’1”3,400
0903-WT-CHR-259′10’9”13’7”5,000
0904-WT-CHR-259′14’4”17’2”6,700
0905-WT-CHR-259′17’11”20’9”8,400
0906-WT-CHR-259′21’5”24’3”10,000
1201-WT-CHR-2512′3’8”7’3”3,000
1202-WT-CHR-2512′7’3”10’9”6,100
1203-WT-CHR-2512′10’9”14’4”9,000
1204-WT-CHR-2512′14’4”17’11”12,000
1205-WT-CHR-2512′17’11”21’5”15,000
1206-WT-CHR-2512′21’5”25’0”18,000
1501-WT-CHR-2515′3’8”8’1”4,800
1502-WT-CHR-2515′7’3”11’8”9,500
1503-WT-CHR-2515′10’9”15’2”14,000
1504-WT-CHR-2515′14’4”18’9”18,000
1505-WT-CHR-2515′17’11”22’4”23,000
1506-WT-CHR-2515′21’5”25’10”28,000
1801-WT-CHR-2518′3’8”8’11”6,900
1802-WT-CHR-2518′7’3”12’6”13,000
1803-WT-CHR-2518′10’9”16’1”20,000
1804-WT-CHR-2518′14’4”19’7”27,000
1805-WT-CHR-2518′17’11”23’2”33,000
1806-WT-CHR-2518′21’5”26’9”40,000
2101-WT-CHR-2521′3’8”9’10”9,400
2102-WT-CHR-2521′7’3”13’4”18,000
2103-WT-CHR-2521′10’9”16’11”27,000
2104-WT-CHR-2521′14’4”20’6”36,000
2105-WT-CHR-2521′17’11”24’0”46,000
2106-WT-CHR-2521′21’5”27’7”55,000
2401-WT-CHR-2524′3’8”10’8”12,000
2402-WT-CHR-2524′7’3”14’3”24,000
2403-WT-CHR-2524′10’9”17’9”36,000
2404-WT-CHR-2524′14’4”21’4”48,000
2405-WT-CHR-2524′17’11”24’10”60,000
2406-WT-CHR-2524′21’5”28’5”72,000
2701-WT-CHR-2527′3’8”11’0”15,000
2702-WT-CHR-2527′7’3”14’6”30,000
2703-WT-CHR-2527′10’9”18’1”45,000
2704-WT-CHR-2527′14’4”21’8”61,000
2705-WT-CHR-2527′17’11”25’2”76,000
2706-WT-CHR-2527′21’5”28’9”91,000
3001-WT-CHR-2530′3’8”11’10”19,000
3002-WT-CHR-2530′7’3”15’5”38,000
3003-WT-CHR-2530′10’9”18’11”56,000
3004-WT-CHR-2530′14’4”22’6”75,000
3005-WT-CHR-2530′17’11”26’1”94,000
3006-WT-CHR-2530′21’5”29’7”112,000
3301-WT-CHR-2533′3’8”12’8”23,000
3302-WT-CHR-2533′7’3”16’3”46,000
3303-WT-CHR-2533′10’9”19’10”68,000
3304-WT-CHR-2533′14’4”23’4”91,000
3305-WT-CHR-4033′17’11”26’11”114,000
3306-WT-CHR-4033′21’5”30’6”136,000
3601-WT-CHR-2536′3’8”13’7”27,000
3602-WT-CHR-2536′7’3”17’1”54,000
3603-WT-CHR-4036′10’9”20’8”81,000
3604-WT-CHR-4036′14’4”24’3”108,000
3605-WT-CHR-4036′17’11”27’9”135,000
3606-WT-CHR-4036′21’5”31’4”162,000
3901-WT-CHR-4039′3’8”15’1”32,000
3902-WT-CHR-4039′7’3”18’8”64,000
3903-WT-CHR-4039′10’9”22’2”95,000
3904-WT-CHR-4039′14’4”25’9”127,000
3905-WT-CHR-4039′17’11”29’4”159,000
3906-WT-CHR-4039′21’5”32’10”190,000
4201-WT-CHR-4042′3’8”16’0”37,000
4202-WT-CHR-4042′7’3”19’7”74,000
4203-WT-CHR-4042′10’9”23’1”110,000
4204-WT-CHR-4042′14’4”26’8”147,000
4205-WT-CHR-4042′17’11”30’3”184,000
4206-WT-CHR-4042′21’5”33’9”220,000
4801-WT-CHR-4048′3’8”17’8”49,000
4802-WT-CHR-4048′7’3”21’3”97,000
4803-WT-CHR-4048′10’9”24’9”144,000
4804-WT-CHR-4048′14’4”28’4”192,000
4805-WT-CHR-4048′17’11”31’11”241,000
4806-WT-CHR-4048′21’5”35’5”288,000
6001-WT-CHR-4060′3’8”20’9”77,000
6002-WT-CHR-4060′7’3”24’4”152,000
6003-WT-CHR-4060′10’9”27’10”226,000
6004-WT-CHR-4060′14’4”31’5”301,000
6005-WT-CHR-4060′17’11”35’0”376,000
6006-WT-CHR-4060′21’5”38’6”450,000
7201-WT-CHR-4072′3’8”24’6”81,000
7202-WT-CHR-4072′7’3”28’1”190,000
7203-WT-CHR-4072′10’9”31’7”297,000
7204-WT-CHR-4072′14’4”35’2”406,000
7205-WT-CHR-4072′17’11”38’9”515,000
7206-WT-CHR-4072′21’5”42’3”622,000
75XX-WT-CHR-4075′3’8” – 21’5”
82XX-WT-CHR-4082′3’8” – 21’5”
85XX-WT-CHR-4085′3’8” – 21’5”
90XX-WT-CHR-4090′3’8” – 21’5”
105XX-WT-CHR105′3’8” – 21’5”
120XX-WT-CHR120′3’8” – 21’5”
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All capacities are rounded.  Actual tank capacities will vary due to location of flanges and structural design.