PIPE SIZING

AHU PER FLOOR GPM VelocityPipe

Diameter Size(in)

Standard Pipe (actual inside,

in)Pipe Size

FIRST FLOORAHU 1 126.1483847 5 3.3 3.548 4AHU 2 128.8162 5 3.4 3.548 4AHU 3 584.2210213 5 7 7.9981 8AHU 4 181.1859233 5 3.6 4.026 4AHU 5 164.4283533 5 3.5 3.548 4AHU 6 537.209992 6.9 7.9981 8

SECOND FLOORAHU 1 25.28298247 5 1.4 1.61 2AHU 2 122.1069547 5 3.3 3.548 4AHU 3 115.3608088 5 3.1 3.548 4AHU 4 105.2931462 5 2.9 3.068 3AHU 5 190.2571104 5 3.6 4.026 4AHU 6 146.9769701 3.4 3.548 4AHU 7 67.3878577 2.4 2.469 2

THIRD FLOORAHU 1 90.7132359 5 2.55 3.068 3AHU 2 61.4030607 5 2.4 2.469 2AHU 3 55.51195961 5 2.3 2.469 2AHU 4 90.23932729 5 2.55 3.068 3

FIRST FLOOR ANNEXAHU 1 334.3991863 5 5.3 6.065 6AHU 2 69.14481311 5 2.4 2.469 2AHU 3 69.14481311 5 2.4 2.469 2AHU 4 230.8266266 5 4.3 5.047 5

2ND FLOOR ANNEXAHU 1 91.12459636 5 2.55 3.068 3AHU 2 53.63930263 5 2.3 2.469 2AHU 3 56.43516624 5 2.3 2.469 2AHU 4 26.44697587 5 1.4 1.61 2AHU 5 42.96167585 5 2.2 2.469 2AHU 6 223.3905839 5 4.3 5.047 5AHU 7 33.96074986 5 1.5 1.61 2

3RD FLOOR ANNEXAHU 1 238.4607608 5 3.7 4.026 4

AHU 2 55.68956622 5 4.3 5.047 5AHU 3 55.68956622 5 2.3 2.469 2AHU 4 111.3791827 5 3.1 3.548 4AHU 5 111.3791827 5 3.1 3.548 4

3RD FLOOR ANNEXAHU 1 212.7369902 5 4.2 5.047 5AHU 2 212.7369902 5 4.2 5.047 5AHU 3 212.7369902 5 4.2 5.047 5