ARM AND BASE PLATE POLE, BASE PLATE AND ARM CONNECTION

Arm ID Pole ID
Total Arm Arm Extension Base Plate Upright Base Plate Arm-Upright Connection
Axx-ArmLength Px-PoleNo
Arm
S-SingleArm S-SingleArm
Length FA/SA FC/SC FD/SD FE/SE FG/SG FH/SH HT FJ/SJ FK/SK UA UD UE UG No. BA BB BC BF HT FJ/SJ FL/SL FN/SN FO/SO FP/SP FR/SR FS/SS FT/ST
D-DoubleArm D-DoubleArm
(ft) (ft) (in) (in) (ft) (in) (in) (in) (in) (in) (ft) (in) (in) (ft) Bolts (in) (in) (in) (in) (in) (in) (in) (in) (in) (in) (in) (in) (in)
H-HeavyDuty L-Luminaire

A30/S 11 P1/S 25
22 25 22 25 14 2 8.5
A30/S/H 12 P1/S/L 39 37.5
30 30 0.25 -- -- -- 3 16 0.375 6 32 2.5 2 40 0.75 0.438 1.25 0.438
A30/D 11 P1/D 25
30 36 30 36 23 2.75 12.5
A30/D/H 12 P1/D/L 39 37.5

A40/S 13 P2/S 25
22 27 22 27 15 2 8.5
A40/S/H 14 P2/S/L 39 37.5
40 40 0.25 -- -- -- 3 18 0.375 6 34 2.5 2 40 0.75 0.438 1.25 0.438
A40/D 13 P2/D 25
30 36 30 36 23 2.75 12.5
A40/D/H 14 P2/D/L 39 37.5

A50/S 12 14 P3/S 25
22 29 22 29 16 2 8.5
A50/S/H 13 15 P3/S/L 39 37.5
50 32.5 0.25 20.5 0.313 3 20 0.375 6 36 2.5 2 40 0.75 0.438 1.25 0.438
A50/D 12 14 P3/D 25
30 36 30 36 23 2.75 12.5
A50/D/H 13 15 P3/D/L 39 37.5

A60/S 12 15 P4/S 25
17
A60/S/H 13 16 P4/S/L 39 37.5
60 35.5 0.25 27.5 0.375 30 36 3 22 0.375 8 38 2.5 2 40 30 36 0.75 0.438 1.25 2.5 12.5 0.438
A60/D 12 15 P4/D 25
23
A60/D/H 13 16 P4/D/L 39 37.5

A70/S 13 17 P5/S 25
18
A70/S/H 14 18 P5/S/L 39 37.5
70 38 0.25 35 0.375 30 36 3 24 0.375 8 40 2.5 2 40 30 36 0.75 0.5 1.25 2.5 12.5 0.5
A70/D 13 17 P5/D 25
23
A70/D/H 14 18 P5/D/L 39 37.5

A78/S 13 18 P6/S 25
18
A78/S/H 15 20 P6/S/L 39 37.5
78 39 0.25 42 0.375 30 36 3 24 0.5 8 40 2.5 2 40 30 36 0.75 0.625 1.5 2.5 12 0.625
A78/D 13 18 P6/D 25
23
A78/D/H 15 20 P6/D/L 39 37.5

P7/S 25
19
P7/S/L 39 37.5
26 0.5 8 42 2.5 2 40 30 36 0.75 0.625 1.5 2.5 12 0.625
P7/D 25
23
P7/D/L 39 37.5

DRILLED SHAFT

DA DB RD RF
Drilled Shaft ID RA RB RC RE
(ft) (ft) (in) (in)
NOTE:
DS/12/4.0 12 4.0 11 14 8 12 -- --
1. Work this Index with Index 649-031.
DS/12/4.5 12 4.5 11 16 8 12 -- --

DS/14/4.5 14 4.5 11 16 10 8 -- --

DS/14/5.0 14 5.0 11 18 10 8 -- --

DS/16/4.5 16 4.5 11 16 10 8 -- --

DS/16/5.0 16 5.0 11 18 10 8 -- --

DS/18/5.0 18 5.0 11 18 10 8 -- --

DS/20/5.0 20 5.0 11 18 10 6 10 9

DS/25/5.0 25 5.0 11 18 10 6 10 9

LUMINAIRE AND CONNECTION

LA LB LC LD LF LG LH LJ LK LL UG
LE
(ft) (ft) (in) (in) (ft) (in) (in) (in) (in) (deg) (ft)

40 10 3 0.125 0.5 8 0.5 0.75 0.25 0.25 0 37.5

REVISION

LAST DESCRIPTION:
FY 2024-25 INDEX SHEET
REVISION
STANDARD MAST ARM ASSEMBLIES
11/01/22 STANDARD PLANS 649-030 1of 1