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-FS6′3’8”5’2”700
0602-WT-FS6′7’3”8’9”1,500
0603-WT-FS6′10’9”12’4”2,200
0604-WT-FS6′14’4”15’10”3,000
0605-WT-FS6′17’11”19’4”3,700
0606-WT-FS6′21’5”23’1”4,500
0601-WT-CHR6′3’8”5’8”700
0602-WT-CHR6′7’3”9’3”1,500
0603-WT-CHR6′10’9”12’9”2,200
0604-WT-CHR6′14’4”16’4”3,000
0605-WT-CHR6′17’11”19’11”3,700
0606-WT-CHR6′21’5”23’5”4,500
0801-WT-FS8′3’8”5’10”1,300
0802-WT-FS8′7’3”9’5”2,700
0803-WT-FS8′10’9”12’11”4,000
0804-WT-FS8′14’4”16’6”5,300
0805-WT-FS8′17’11”20’1”6,700
0806-WT-FS8′21’5”23’7”8,000
0801-WT-CHR8′3’8”6’2”1,300
0802-WT-CHR8′7’3”9’9”2,700
0803-WT-CHR8′10’9”13’3”4,000
0804-WT-CHR8′14’4”16’10”5,300
0805-WT-CHR8′17’11”20’5”6,700
0806-WT-CHR8′21’5”23’11”8,000
0901-WT-FS9′3’8”6’1”1,700
0902-WT-FS9′7’3”9’7”3,400
0903-WT-FS9′10’9”13’2”5,000
0904-WT-FS9′14’4”16’9”6,700
0905-WT-FS9′17’11”20’3”8,400
0906-WT-FS9′21’5”23’10”10,000
0901-WT-CHR9′3’8”6’6”1,700
0902-WT-CHR9′7’3”10’1”3,400
0903-WT-CHR9′10’9”13’7”5,000
0904-WT-CHR9′14’4”17’2”6,700
0905-WT-CHR9′17’11”20’9”8,400
0906-WT-CHR9′21’5”24’3”10,000
1201-WT-CHR12′3’8”7’3”3,000
1202-WT-CHR12′7’3”10’9”6,100
1203-WT-CHR12′10’9”14’4”9,000
1204-WT-CHR12′14’4”17’11”12,000
1205-WT-CHR12′17’11”21’5”15,000
1206-WT-CHR12′21’5”25’0”18,000
1501-WT-CHR15′3’8”8’1”4,800
1502-WT-CHR15′7’3”11’8”9,500
1503-WT-CHR15′10’9”15’2”14,000
1504-WT-CHR15′14’4”18’9”18,000
1505-WT-CHR15′17’11”22’4”23,000
1506-WT-CHR15′21’5”25’10”28,000
1801-WT-CHR18′3’8”8’11”6,900
1802-WT-CHR18′7’3”12’6”13,000
1803-WT-CHR18′10’9”16’1”20,000
1804-WT-CHR18′14’4”19’7”27,000
1805-WT-CHR18′17’11”23’2”33,000
1806-WT-CHR18′21’5”26’9”40,000
2101-WT-CHR21′3’8”9’10”9,400
2102-WT-CHR21′7’3”13’4”18,000
2103-WT-CHR21′10’9”16’11”27,000
2104-WT-CHR21′14’4”20’6”36,000
2105-WT-CHR21′17’11”24’0”46,000
2106-WT-CHR21′21’5”27’7”55,000
2401-WT-CHR24′3’8”10’8”12,000
2402-WT-CHR24′7’3”14’3”24,000
2403-WT-CHR24′10’9”17’9”36,000
2404-WT-CHR24′14’4”21’4”48,000
2405-WT-CHR24′17’11”24’10”60,000
2406-WT-CHR24′21’5”28’5”72,000
2701-WT-CHR27′3’8”11’0”15,000
2702-WT-CHR27′7’3”14’6”30,000
2703-WT-CHR27′10’9”18’1”45,000
2704-WT-CHR27′14’4”21’8”61,000
2705-WT-CHR27′17’11”25’2”76,000
2706-WT-CHR27′21’5”28’9”91,000
3001-WT-CHR30′3’8”11’10”19,000
3002-WT-CHR30′7’3”15’5”38,000
3003-WT-CHR30′10’9”18’11”56,000
3004-WT-CHR30′14’4”22’6”75,000
3005-WT-CHR30′17’11”26’1”94,000
3006-WT-CHR30′21’5”29’7”112,000
3301-WT-CHR33′3’8”12’8”23,000
3302-WT-CHR33′7’3”16’3”46,000
3303-WT-CHR33′10’9”19’10”68,000
3304-WT-CHR33′14’4”23’4”91,000
3305-WT-CHR33′17’11”26’11”114,000
3306-WT-CHR33′21’5”30’6”136,000
3601-WT-CHR36′3’8”13’7”27,000
3602-WT-CHR36′7’3”17’1”54,000
3603-WT-CHR36′10’9”20’8”81,000
3604-WT-CHR36′14’4”24’3”108,000
3605-WT-CHR36′17’11”27’9”135,000
3606-WT-CHR36′21’5”31’4”162,000
3901-WT-CHR39′3’8”15’1”32,000
3902-WT-CHR39′7’3”18’8”64,000
3903-WT-CHR39′10’9”22’2”95,000
3904-WT-CHR39′14’4”25’9”127,000
3905-WT-CHR39′17’11”29’4”159,000
3906-WT-CHR39′21’5”32’10”190,000
4201-WT-CHR42′3’8”16’0”37,000
4202-WT-CHR42′7’3”19’7”74,000
4203-WT-CHR42′10’9”23’1”110,000
4204-WT-CHR42′14’4”26’8”147,000
4205-WT-CHR42′17’11”30’3”184,000
4206-WT-CHR42′21’5”33’9”220,000
4801-WT-CHR48′3’8”17’8”49,000
4802-WT-CHR48′7’3”21’3”97,000
4803-WT-CHR48′10’9”24’9”144,000
4804-WT-CHR48′14’4”28’4”192,000
4805-WT-CHR48′17’11”31’11”241,000
4806-WT-CHR48′21’5”35’5”288,000
6001-WT-CHR60′3’8”20’9”77,000
6002-WT-CHR60′7’3”24’4”152,000
6003-WT-CHR60′10’9”27’10”226,000
6004-WT-CHR60′14’4”31’5”301,000
6005-WT-CHR60′17’11”35’0”376,000
6006-WT-CHR60′21’5”38’6”450,000
7201-WT-CHR72′3’8”24’6”81,000
7202-WT-CHR72′7’3”28’1”190,000
7203-WT-CHR72′10’9”31’7”297,000
7204-WT-CHR72′14’4”35’2”406,000
7205-WT-CHR72′17’11”38’9”515,000
7206-WT-CHR72′21’5”42’3”622,000
75XX-WT-CHR75′3’8” – 21’5”
82XX-WT-CHR82′3’8” – 21’5”
85XX-WT-CHR85′3’8” – 21’5”
90XX-WT-CHR90′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.