Water Storage – Gerard Tank & Steel

Single Pedestal Sphere/Spheroid

Gallons	Shape	Head Range	Tank Diameter
50,000	Sphere	21′	24′
75,000	Sphere	25′	27′-3
100,000	Sphere	27′	30′-3
125,000	Sphere	28′	32′
150,000	Spheroid	27′	38′
200,000	Spheroid	30′	40′-3
250,000	Spheroid	32′	44′
300,000	Spheroid	33′	46′-6
350,000	Spheroid	33′	48′ 6
400,000	Spheroid	35′	51′ 6
500,000	Spheroid	37′	56′
600,000	Spheroid	39′	59′-6
750,000	Spheroid	40′	65′-6
1,000,000	Spheroid	40′	74’6
1,250,000	Spheroid	43′	79′ 9
1,500,000	Spheroid	45′	86’6
2,000,000	Spheroid	51′	93’6
2,500,000	Spheroid	52′	100′

Gallons	Head Range	Tank Diameter	Column Diameter
200,000	25′	44′	18′
250,000	30′	44′	18′
300,000	32′	46′	18′-24′
350,000	36′	46′	18′-24′
400,000	35′-40′	50′	18′-24′
500,000	35′-40′	50′-55′	18′-30′
600,000	35′-40′	60′	24′-30′
750,000	40′-45′	64′	36′-42′
1,000,000	40′-45′	74′	42′-52′
1,250,000	40′-45′	80′	42′-52′
1,500,000	40′-45′	86′	52′-60′
2,000,000	40′-45′	100′-105′	60′-72′
2,500,000	40′-45′	108′-112′	66′-78′
3,000,000	40′-45′	120′-125′	82′-90′
3,500,000	45′	125′-130′	82′-90′
4,000,000	45′	135′	90′
4,500,000	50′	140′	120′

Gallons	Head Range	Tank Diameter	Typical Column Diameter
200,000	26′	45′	24′
250,000	30′	45′	24′
300,000	28.5′	48′	24′
350,000	32′	48′	24′
400,000	30′	52′	24′
500,000	37′	52′	24′
600,000	38′	55′	32′
750,000	40′	60′	32′
1,000,000	40′	70′	38′
1,250,000	40′	80′	44′
1,500,000	43′	82′	44′
2,000,000	45′	92′	54′
2,500,000	45′	105′	54′
3,000,000	45′	116′	64′
3,500,000	50′	118′	64′
4,000,000	50′	124′	64′
4,500,000	55′	128′	70′