BaseCalc PRO

Pole & Luminaires

Height
ft
Width/Diameter
in
Pole Shape
Round
Square
Corner Radius
in
Bolt Circle Diameter
in
Required Bolt Size
in
Total Fixture EPA
ft²

Foundation

Specified Exposure
ft
Bury Depth
Specified
Calculate
Specified Bury Depth
ft
Foundation Type
Above Grade Diameter
in
Below Grade Diameter
in

Site Conditions

Basic Wind Speed
mph
Exposure Category
Soil Type
Internal Angle of Friction, φ
deg
Soil Unit Weight, γ
pcf
Cohesion, c
psf

Foundation Properties

f’c
psi
fy
psi
Vertical rebar
Ties

Fatigue Analysis

Vmean
mph (typical)
Fatigue Category
(typical)

Summary Results

Bolt and Anchoring System Check
Specified Foundation Exposure
Fatigue Loading Check
Calculated Min. Bury Depth
Combined Tension & Fatigue
Minimum Rec'd Foundation Length
Standard Reinforcing Check
STEP 1 - DETERMINE WIND PRESSURE
Wind Pressure = Pz = 0.00256·Kz·Kd·G·V2·Cd
Basic Wind Speed, V
Wind Exposure Category
Kz
Kd
G
Cd Pole
Cd Lum
Pressure on Pole, Pz Pole
Pressure on Luminaires, Pz Lum
STEP 2 - DETERMINE POLE BASE REACTIONS
Pole Area
Luminaire Area
Total Moment at Base, Mu
Total Shear at Base, Vu
STEP 3 - DETERMINE TENSILE LOAD ON ANCHORS
Bolt Circle Diameter
Number of Bolts
Bolt Diameter
Bolt Stress Area
c
IBolt Group
Bolt Stress, Su
Total Tensile Load, Tu
STEP 4 - DETERMINE BOLT AND ANCHORING SYSTEM ADEQUACY
Nominal Tensile Capacity, Tn
Strength Reduction Factor, φ
Adequacy Check
Applied Load Tu(lb) Allowable Load φTn (lb) Result
STEP 5 - FATIGUE ANALYSIS - NATURAL WIND GUST PRESSURE, POLE BASE REACTION AND BOLT STRESS
Wind Pressure due to Natural Wind Gusts = PNW = 5.2·Cd·(Vmean/11.2)2·IF
Vmean
Cd Pole
Cd Lum
Fatigue Category
IF
PNW Pole
PNW Lum
Pole Area
Luminaire Area
Moment, MF
Shear, VF
Fatigue Bolt Stress, SF
STEP 6 - ANCHOR BOLT ADEQUACY WITH FATIGUE LOADING
Adequacy Check
Applied Maximum Stress Range (lb/in2) Threshold Stress Range (lb/in2) Result
Additional Check
Combined Fatigue and Ultimate Tension TF + Tu(lb) Allowable Load φTn (lb) Result
STEP 7 - DETERMINE GROUND LINE REACTIONS
Section Wind Pressure Pz (psf) Surface Area A (sf) Force (Pz · A) (lb) Moment Arm (ft) Moment (ft·lb)
Foundation
Pole
Luminaire
Undercapacity Factor
Overload Factor
Factor of Safety
MF
VF
STEP 8 - DETERMINE REQUIRED FOUNDATION EMBEDMENT
Cohesionless Soils (C13.6.1.1-5)
Cohesive Soils (C13.6.1.1-5)
KP Image Kp =
Required Embedment =
Cohesive Soils (C13.6.1.1-1)
Cohesive Soils (C13.6.1.1-1)
H Image Q Image
Required Embedment =
STEP 9 - DETERMINE ULTIMATE MOMENT IN FOUNDATION SHAFT
Total Applied Moment, MTot
H =
Total Applied Shear, VTot
q =
Load Factor
Kp =
Factored Moment, Mmax
Factored Shear, Vmax
Cohesionless Soils (C13.6.1.1-7)
Cohesive Soils (C13.6.1.1-7)
Cohesive Soils (C13.6.1.1-7)
Cohesive Soils (C13.6.1.1-4)
Cohesive Soils (C13.6.1.1-4)
Cohesive Soils (C13.6.1.1-4)
Max Moment in Shaft, Mu
Location Below Groundline
STEP 10 - CHECK REINFORCING IN FOUNDATION SHAFT
Reduction Factor, φ
Typ Bar Cover
# of Vert Bars
Check Within the Soild Portion of the Foundation Shaft:
Gross Area of Total Section, Ag
Dist between Bar Centers, z
Area Steel Provided, Asg
Formula Image
ρreq
ρprov = Asg / Ag
Check Within the Knockout Portion of the Foundation Shaft - Treat as 24" Deep by 6" Wide Beam:
Beam Width, b
Dist Outer Edge to Bar Center, d
Beam Area (b·d), Ab
Area Steel Provided, Asb
Formula Image
ρreq
ρprov = Asg / Ag
Project Name
Designer Name
Date