IFB_25-072-JG_Van_Meter_Transmission_Loads-Addendum_4.xlsx

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Attached to
Transmission & Substation Structures for Van Meter Substation
Solicitation number
IFB 25-072-JG
Issued by
Florida

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This is Addendum 4 to an Invitation for Bid (IFB 25-072-JG) issued by Kissimmee Utility Authority (KUA) in Florida for transmission and substation structures for the Van Meter Substation. The addendum provides comprehensive load tables specifying design loads for eight different structure types, with each table detailing vertical, tension, and lateral loads across multiple load cases including NESC 250B, 250C, 250D, KUA Extreme Wind, Stringing Deadend, and Deflection conditions. The load cases account for varying wind speeds (ranging from 0 to 131.1 MPH), ice thickness, temperatures, and load factors, with all loads measured in kilopounds (K) and wind pressures in pounds per square foot (PSF). The tables include seven distinct structure configurations (numbered 1, 2, 3, 4-6, 7, and 8) with varying attachment points and load components, reflecting the technical specifications required for transmission and substation steel structures.

The load values presented in these tables establish the engineering requirements that bidders must use in designing and manufacturing the 15 total structures (8 tubular steel transmission structures and 7 substation steel structures) specified in the original IFB. These standardized load cases ensure that all submitted designs meet KUA's operational and safety requirements under diverse environmental conditions. The specifications incorporate industry-standard NESC (National Electrical Safety Code) load case designations and extreme wind conditions specific to the utility's service area. Bidders are required to design structures capable of withstanding these specified loads and must demonstrate that their manufacturing processes and materials can consistently meet these technical parameters as part of their bid submission.

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IFB_25-072-JG_Notice_of_Intent.pdf PDF
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1 (43B) LOAD TABLE

LOAD CASESWIND
(MPH)WIND
(PSF)STRUCTURE

WIND

(MPH) STRUCTURE

WIND

(PSF)ΘICE
(IN)TEMP
(°F)I/C/LVERTICAL

LOAD

FACTOR WIND

LOAD

FACTOR WIRE

LOAD

FACTORVSA1
(K)TSA1
(K)LSA1
(K)VSB
(K)TSB
(K)LSB
(K)VSA2
(K)TSA2
(K)LSA2
(K)VPA1
(K)TPA1
(K)LPA1
(K)VPB
(K)TPB
(K)LPB
(K)VPA2
(K)TPA2
(K)LPA2
(K)W
(PSF)K
NESC 250B59.39.059.39.090.00.030.0I1.502.501.651.173.65-2.890.90-0.48-0.470.792.15-10.281.578.09-6.421.07-0.35-0.461.572.39-9.7222.51.5
NESC 250C120.036.9120.036.990.00.060.0I1.001.001.000.783.55-2.740.60-0.74-0.730.531.97-7.931.056.92-5.340.71-0.45-0.651.052.87-9.9136.91.0
NESC 250D30.02.330.02.390.00.015.0I1.001.001.000.782.28-1.850.60-0.25-0.210.531.13-6.311.054.89-3.970.71-0.27-0.231.051.02-5.462.31.0
KUA EXTREME WIND131.144.0131.144.090.00.060.0I1.001.001.000.783.98-3.060.60-0.87-0.860.532.20-8.561.057.58-5.820.71-0.52-0.761.053.27-10.9444.01.0
STRINGING DEADEND39.54.039.54.090.00.060.0I1.501.001.002.001.46-1.171.04-0.23-0.203.390.97-5.203.733.78-3.051.23-0.25-0.223.970.96-4.804.01.5
DEFLECTION0.00.00.00.090.00.060.0I1.001.001.000.781.39-1.130.60-0.24-0.180.530.89-5.141.053.65-2.980.71-0.27-0.211.050.81-4.640.01.0
LOAD CASESWIND
(MPH)WIND
(PSF)STRUCTURE

WIND

(MPH) STRUCTURE

WIND

(PSF)ΘICE
(IN)TEMP
(°F)I/C/LVERTICAL

LOAD

FACTOR WIND

LOAD

FACTOR WIRE

LOAD

FACTORVDA
(K)TDA
(K)LDA
(K)VDB
(K)TDB
(K)LDB
(K)VNA
(K)TNA
(K)LNA
(K)VNB
(K)TNB
(K)LNB
(K)VMA
(K)TMA
(K)LMA
(K)VCA
(K)TCA
(K)LCA
(K)VCB
(K)TCB
(K)LCB
(K)W
(PSF)K
NESC 250B59.39.059.39.090.00.030.0I1.502.501.650.813.73-3.910.78-0.47-0.461.023.93-4.120.83-0.47-0.460.780.33-0.260.831.27-1.230.81-0.48-0.4722.51.5
NESC 250C120.036.9120.036.990.00.060.0I1.001.001.000.542.81-2.830.52-0.86-0.830.682.88-2.900.55-0.86-0.830.520.60-0.490.561.48-1.380.54-0.75-0.7536.91.0
NESC 250D30.02.330.02.390.00.015.0I1.001.001.000.542.32-2.500.52-0.21-0.170.682.44-2.630.55-0.21-0.170.520.09-0.090.560.64-0.680.54-0.24-0.202.31.0
KUA EXTREME WIND131.144.0131.144.090.00.060.0I1.001.001.000.543.04-3.030.52-1.00-0.970.683.10-3.090.55-1.00-0.970.520.71-0.570.561.67-1.530.54-0.84-0.8644.01.0
STRINGING DEADEND39.54.039.54.090.00.060.0I1.501.001.002.061.79-1.920.90-0.19-0.162.371.93-2.070.95-0.19-0.160.830.10-0.091.220.57-0.590.92-0.19-0.174.01.5
DEFLECTION0.00.00.00.090.00.060.0I1.001.001.000.541.76-1.900.52-0.17-0.130.681.90-2.060.55-0.17-0.130.520.06-0.070.560.52-0.560.54-0.16-0.120.01.0

2 LOAD TABLE

LOAD CASESWIND
(MPH)WIND
(PSF)STRUCTURE

WIND

(MPH) STRUCTURE

WIND

(PSF)ΘICE
(IN)TEMP
(°F)I/C/LVERTICAL

LOAD

FACTOR WIND

LOAD

FACTOR WIRE

LOAD

FACTORVS
(K)TS
(K)LS
(K)VPA
(K)TPA
(K)LPA
(K)VPB
(K)TPB
(K)LPB
(K)VP2
(K)TP2
(K)LP2
(K)W
(PSF)K
NESC 250B59.39.059.39.090.00.030.0I1.502.501.651.743.350.001.471.93-9.462.271.979.721.973.780.0022.51.5
NESC 250C120.036.9120.036.990.00.060.0I1.001.001.001.163.160.000.982.31-8.891.512.449.911.314.520.0036.91.0
NESC 250D30.02.330.02.390.00.015.0I1.001.001.001.161.710.000.980.79-5.501.510.785.401.311.560.002.31.0
KUA EXTREME WIND131.144.0131.144.090.00.060.0I1.001.001.001.163.540.000.982.64-9.761.512.8010.941.315.170.0044.01.0
STRINGING DEADEND39.54.039.54.090.00.060.0I1.501.001.00---3.770.73-4.614.670.754.80---4.01.5
DEFLECTION0.00.00.00.090.00.060.0I1.001.001.001.161.340.000.980.58-4.481.510.614.641.311.180.000.01.0

3 LOAD TABLE

LOAD CASESWIND
(MPH)WIND
(PSF)STRUCTURE

WIND

(MPH) STRUCTURE

WIND

(PSF)ΘICE
(IN)TEMP
(°F)I/C/LVERTICAL

LOAD

FACTOR WIND

LOAD

FACTOR WIRE

LOAD

FACTORVSA
(K)TSA
(K)LSA
(K)VSB
(K)TSB
(K)LSB
(K)VP
(K)TP
(K)LP
(K)W
(PSF)K
NESC 250B59.39.059.39.090.00.030.0I1.502.501.650.981.56-10.120.941.7010.281.873.550.0022.51.5
NESC 250C120.036.9120.036.990.00.060.0I1.001.001.000.651.33-7.150.631.637.931.244.140.0036.91.0
NESC 250D30.02.330.02.390.00.015.0I1.001.001.000.650.85-6.340.630.866.311.241.530.002.31.0
KUA EXTREME WIND131.144.0131.144.090.00.060.0I1.001.001.000.651.47-7.640.631.838.561.244.710.0044.01.0
STRINGING DEADEND39.54.039.54.090.00.060.0I1.501.001.003.560.72-5.173.540.745.20---4.01.5
DEFLECTION0.00.00.00.090.00.060.0I1.001.001.000.650.67-5.130.630.675.141.241.180.000.01.0

4-6 LOAD TABLE

LOAD CASESWIND
(MPH)WIND
(PSF)STRUCTURE

WIND

(MPH) STRUCTURE

WIND

(PSF)ΘICE
(IN)TEMP
(°F)I/C/LVERTICAL

LOAD

FACTOR WIND

LOAD

FACTOR WIRE

LOAD

FACTORVS
(K)TS
(K)LS
(K)VP
(K)TP
(K)LP
(K)W
(PSF)K
NESC 250B59.39.059.39.090.00.030.0I1.502.501.651.393.190.002.663.550.0022.51.5
NESC 250C120.036.9120.036.990.00.060.0I1.001.001.000.932.760.001.784.140.0036.91.0
NESC 250D30.02.330.02.390.00.015.0I1.001.001.000.931.710.001.781.530.002.31.0
KUA EXTREME WIND131.144.0131.144.090.00.060.0I1.001.001.000.933.060.001.784.710.0044.01.0
DEFLECTION0.00.00.00.090.00.060.0I1.001.001.000.931.340.001.781.180.000.01.0

7 LOAD TABLE

LOAD CASESWIND
(MPH)WIND
(PSF)STRUCTURE

WIND

(MPH) STRUCTURE

WIND

(PSF)ΘICE
(IN)TEMP
(°F)I/C/LVERTICAL

LOAD

FACTOR WIND

LOAD

FACTOR WIRE

LOAD

FACTORVPA
(K)TPA
(K)LPA
(K)VPB
(K)TPB
(K)LPB
(K)W
(PSF)K
NESC 250B59.39.059.39.090.00.030.0I1.502.501.651.171.42-1.351.178.167.8322.51.5
NESC 250C120.036.9120.036.990.00.060.0I1.001.001.000.781.80-1.660.788.307.5836.91.0
NESC 250D30.02.330.02.390.00.015.0I1.001.001.000.780.93-0.950.784.394.482.31.0
KUA EXTREME WIND131.144.0131.144.090.00.060.0I1.001.001.000.782.09-1.920.789.228.3444.01.0
STRINGING DEADEND39.54.039.54.090.00.060.0I1.501.001.001.540.61-0.613.513.823.844.01.5
DEFLECTION0.00.00.00.090.00.060.0I1.001.001.000.780.56-0.580.783.603.720.01.0

8 LOAD TABLE

LOAD CASESWIND
(MPH)WIND
(PSF)STRUCTURE

WIND

(MPH) STRUCTURE

WIND

(PSF)ΘICE
(IN)TEMP
(°F)I/C/LVERTICAL

LOAD

FACTOR WIND

LOAD

FACTOR WIRE

LOAD

FACTORVSA
(K)TSA
(K)LSA
(K)VSB
(K)TSB
(K)LSB
(K)VPA
(K)TPA
(K)LPA
(K)VPB
(K)TPB
(K)LPB
(K)W
(PSF)K
NESC 250B59.39.059.39.090.00.030.0I1.502.501.651.921.61-1.390.799.818.532.071.42-1.261.178.097.2422.51.5
NESC 250C120.036.9120.036.990.00.060.0I1.001.001.001.281.63-1.370.537.216.031.381.80-1.560.788.016.8136.91.0
NESC 250D30.02.330.02.390.00.015.0I1.001.001.001.281.24-1.100.535.995.351.380.93-0.890.784.424.212.31.0
KUA EXTREME WIND131.144.0131.144.090.00.060.0I1.001.001.001.281.85-1.550.537.776.441.382.09-1.800.788.887.4744.01.0
STRINGING DEADEND39.54.039.54.090.00.060.0I1.501.001.002.210.55-0.493.374.914.362.440.61-0.573.483.763.534.01.5
DEFLECTION0.00.00.00.090.00.060.0I1.001.001.001.280.51-0.450.534.824.321.380.56-0.540.783.553.430.01.0

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