Wind Chart

LIMITS & REQUIREMENTS OF USE:
1) THE PAD AND THE SUPPORTED EQUIPMENT MUST BE LOCATED AT GROUND LEVEL. THIS TABLE DOES NOT APPLY TO ROOFTOP EQUIPMENT, EQUIPMENT LOCATED ON BALCONIES,
OR ANY OTHER EQUIPMENT TO BE ELEVATED ABOVE GROUND LEVEL. FOR PADS TO BE INSTALLED OTHER THAN AT GROUND LEVEL PLEASE CONTACT (RMB)
RMB ENGINEERING TO OBTAIN A CUSTOM WIND TABLE TO MEET YOUR SPECIFIC APPLICATION. MINIMUM SOIL COEFFICIENT OF FRICTION = 0.25 AS VERIFIED BY OTHERS.
2) THE AREA UNDER CONCERETE SLAB ON GROUND SHALL HAVE ALL MATERIALS REMOVED PRIOR TO INSTALLATION ON COMPACTED SOIL AS VERIFIED BY OTHERS.
3)
MAXIMUM DIMENSIONS AND WEIGHT OF GENERATORS UNIT SHALL CONFORM TO SPECIFICATIONS STATED HEREIN. PAD WEIGHT TO BE VERIFIED BY OTHERS.
4) ORIGINAL EQUIPMENT MANUFACTURER INSTALLATION INSTRUCTIONS SUPERSEDE HURRICANE PAD INSTALLATION INSTRUCTIONS IF MORE STRINGENT.
5) ELECTRICAL GROUND, WHEN REQUIRED, TO BE DESIGNED & INSTALLED BY OTHERS. ALL MECHANICAL SPECIFICATIONS (CLEAR SPACE, TONNAGE, ETC.)
SHALL BE AS PER MANUFACTURER RECOMMENDATIONS AND ARE THE EXPRESS RESPONSIBILITY OF THE CONTRACTOR.
6650 Sugarloaf Parkway #100
6) ENGINEER SEAL AFFIXED HERETO VALIDATES STRUCTURAL DESIGN AS SHOWN ONLY. USE OF THIS SPECIFICATION BY CONTRACTOR, et. al. INDEMNIFIES & SAVES
Duluth, GA 30097
HARMLESS THIS ENGINEER FOR ALL COST & DAMAGES INCLUDING LEGAL FEES & APPELLATE FEES RESULTING FROM MATERIAL FABRICATION, SYSTEM ERECTION,
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CONSTRUCTION PRACTICES BEYOND THAT WHICH IS CALLED FOR BY LOCAL, STATE, & FEDERAL CODES & FROM DEVIATIONS OF THIS PLAN.
7) THE ROLE OF THIS ENGINEER FOR THIS PROJECT IS THAT OF SPECIALTY ENGINEER AND NOT THE ENGINEER OF RECORD. CONSEQUENTLY, THE ARCHITECT/ENGINEER OF RECORD
SHALL BE RESPONSIBLE FOR THE INTEGRITY OF ALL SUPPORTING SURFACES TO THIS DESIGN WHICH SHALL BE COORDINATED BY THE PERMITTING CONTRACTOR.
8) ENGINEER SEAL AFFIXED HERETO VALIDATES STRUCTURAL DESIGN AS SHOWN ONLY. THIS DOCUMENT IS GENERIC & DOES NOT PERTAIN TO ANY SPECIFIC PROJECT SITE.
9) THIS ENGINEER SHALL NOT BE HELD RESPONSIBLE OR LIABLE IN ANY WAY FOR ERRONEOUS OR INACCURATE DATA OR MEASUREMENTS. DIMENSIONS ARE
SHOWN TO ILLUSTRATE DESIGN FORCES AND OTHER DESIGN CRITERIA. THEY MAY VARY SLIGHTLY, BUT MUST REMAIN WITHIN THE LIMITATIONS SPECIFIED HEREIN.
10) THIS ENGINEER SHALL BE NOTIFIED AND GIVEN AN OPPORTUNITY TO RE-EVALUATE THIS WORK UPON DISCOVERY OF ANY INACCURATE INFORMATION PRIOR TO
2346 Lake Ridge Terrace
MODIFICATION OF EXISTING FIELD CONDITIONS AND FABRICATION AND INSTALLATION OF MATERIALS.
Lawrenceville, GA 30043
11) ALTERATIONS OR ADDITIONS TO THIS DOCUMENT ARE NOT PERMITTED AND INVALIDATE THIS CERTIFICATION.
12) EXCEPT AS EXPRESSLY PROVIDED HEREIN, NO ADDITIONAL CERTIFICATIONS OR AFFIRMATIONS ARE INTENDED.
13) PADS SHALL BE CONSTRUCTED WITH PRECAST CONCRETE, MINIMUM COMPRESSIVE STRENGTH, f'c = 7,000 PSI AT 28 DAYS.
14) ALL OTHER UNITS NOT SHOWN SHALL BE DESIGNED ON A CASE BY CASE BASIS AND ARE NOT COVERED BY THIS DOCUMENT.
15) CONTRACTOR SHALL PROVIDE 5/8" DIA. (0.675" O.D.) GALV. TUBE ASTM A53B SCH 40 MIN. OR 1/2" DIA. SOLID COPPER BAR
SPIKE 4' MIN. EMBED. (SEE MIN. EMBED. AS PER CURRENT ELECTRICAL CODE, BY OTHERS) INTO GROUND THROUGH CONCRETE
PAD FOR SLIDING RESISTANCE PURPOSE, 12 DIAMETERS EDGE DISTANCE (MIN.) FROM ANY CONCRETE FACE (NOT SHOWN).
ENGINEERING DATA:
1) WIND LOAD ANALYSES PER 6th EDITION (2017) FLORIDA BUILDING CODE - SECTION 1609 WIND LOADS - 1620 HIGH VELOCITY HURRICANE ZONES.
2) ALL STRUCTURES SHALL BE CONSIDERED TO BE IN EXPOSURE CAT. C, UNLESS EXPOSURE CAT. D APPLIES AS DEFINED IN SECTION 26.7 OF ASCE 7.
EXPOSURE D SHALL EXTEND INLAND FROM ANY SHORELINE FOR A DISTANCE OF 600 FT OR 20 TIMES THE HEIGHT OF THE BUILDING, WHICHEVER IS GREATER.
3) WIND LOADS & LOAD COMBINATIONS PER ASCE 7-16 SECT. 2.4.1.7 (LOAD COMBINATIONS - ASD) & SECT. 29.5 &
2017 FBC SECT. 1605.3.1 BASIC LOAD COMBINATIONS & FIGURE 29.5.1: WIND LOADS ON OTHER STRUCTURES
4) RISK CATEGORY = II TABLE 1604.5 - RISK CATEGORY OF BUILDINGS AND OTHER STRUCTURES, SECTION 301.15 OF
THE MECHANICAL CODE, WIND RESISTANCE, AND 553.844 OF THE FLORIDA STATUTES WIND STORM LOSS MITIGATION.
5) WIND LOAD: Wind Speed V = 186 180 175 170 150 MPH
EXP C qz = 0.00256 * Kz * Kzt * Kd * V^2 = 67.75 63.45 59.98 56.60 44.06 EXP - C
P = qz * G * Cf = 80.63 75.51 71.37 67.35 52.44 PSF
EXP D qz = 0.00256 * Kz * Kzt * Kd * V^2 = 82.10 76.89 72.68 68.58 53.40 EXP - D
P = qz * G * Cf = 97.70 91.50 86.49 81.61 63.54 PSF
Exposure C ; Table 28.3-1 Kz = 0.85 Exposure D ; Table 28.3-1 Kz = 1.03
Figure 26.8-1 Kzt = 1.00 ASCE 7-16 Fig 29.4-1 Cf = 1.40
Table 26.6-1 Kd = 0.90 GUST FACTOR G = 0.85
GEN MIN. PAD PAD PAD PAD WIND WIND WIND WIND UNIT+PAD RESISTING
CAP. WEIGHT MODEL WEIGHT WIDTH LENGTH THICK LOAD MOMENT LOAD MOMENT WEIGHT MOMENT
WIDTH LENGTH HEIGHT LBS. NUMBER LBS. IN. IN. IN. LBS. FT-LBS. LBS. FT-LBS. LBS. FT-LBS.
GROUP - A01 8-9kW 25.1 47.9 28.6 341 FG5431-4G 275 31.3 54.3 4 591.4 803 591.4 803 616.0 803 OK FOR 163 MPH OK FOR 148 MPH
GROUP - A02 10-11kW 25.1 47.9 28.6 348 FG5431-4G 275 31.3 54.3 4 598.2 812 598.2 812 623.0 812 OK FOR 164 MPH OK FOR 149 MPH
GROUP - A03 10-11kW 25.1 47.9 28.6 389 FG5431-4G 275 31.3 54.3 4 637.5 866 637.5 866 664.0 866 OK FOR 170 MPH OK FOR 154 MPH
GROUP - A04 16-17kW 25.1 47.9 28.6 409 FG5431-4G 275 31.3 54.3 4 656.7 892 656.7 892 684.0 892 OK FOR 172 MPH OK FOR 156 MPH
GROUP - A05 16-17kW 25.1 47.9 28.6 419 FG5431-4G 275 31.3 54.3 4 666.3 905 666.3 905 694.0 905 OK FOR 173 MPH OK FOR 157 MPH
GROUP - A06 16-17kW 25.1 47.9 28.6 421 FG5431-4G 275 31.3 54.3 4 668.2 908 668.2 908 696.0 908 OK FOR 174 MPH OK FOR 158 MPH
GROUP - A07 13-14kW 25.1 47.9 28.6 425 FG5431-4G 275 31.3 54.3 4 672.1 913 672.1 913 700.0 913 OK FOR 174 MPH OK FOR 158 MPH
GROUP - A08 13-14kW 25.1 47.9 28.6 439 FG5431-4G 275 31.3 54.3 4 685.5 931 685.5 931 714.0 931 OK FOR 176 MPH OK FOR 160 MPH
GROUP - A09 16-22kW 25.1 47.9 28.6 448 FG5431-4G 275 31.3 54.3 4 694.2 943 694.2 943 723.0 943 OK FOR 177 MPH OK FOR 161 MPH
GROUP - A10 20-22kW 25.1 47.9 28.6 451 FG5431-4G 275 31.3 54.3 4 697.0 947 697.0 947 726.0 947 OK FOR 177 MPH OK FOR 161 MPH
GROUP - A11 16-17kW 25.1 47.9 28.6 455 FG5431-4G 275 31.3 54.3 4 700.9 952 700.9 952 730.0 952 OK FOR 178 MPH OK FOR 162 MPH
GROUP - A12 20-22kW 25.1 47.9 28.6 466 FG5431-4G 275 31.3 54.3 4 711.5 966 711.5 966 741.0 966 OK FOR 179 MPH OK FOR 163 MPH
GROUP - A13 17-20kW 25.1 47.9 28.6 471 FG5431-4G 275 31.3 54.3 4 716.3 973 716.3 973 746.0 973 OK FOR 180 MPH OK FOR 163 MPH
GROUP - A14 20-22kW 25.1 47.9 28.6 476 FG5431-4G 275 31.3 54.3 4 721.1 979 721.1 979 751.0 979 OK FOR 180 MPH OK FOR 164 MPH
GROUP - A15 20-22kW 25.1 47.9 28.6 505 FG5431-4G 275 31.3 54.3 4 748.9 1017 748.9 1017 780.0 1017 OK FOR 184 MPH OK FOR 167 MPH
GROUP - A16 15-20kW 25.1 47.9 28.6 526 FG5431-4G 275 31.3 54.3 4 769.1 1045 769.1 1045 801.0 1045 OK FOR 186 MPH OK FOR 169 MPH
FG5431-4G (GENPAD) GRP A01-16
Randall M. Bachtel, P.E. FL P.E. # 80017
RMB ENGINEERING LLC
DiversiTech Corporation
GENERAC
IMPORTANT NOTE: EACH
ROW IN THE TABLE
BELOW IS GOVERENED
BY THE EQUIPMENT MAX.
DIMENSIONS AND MIN.
WEIGHT ONLY.
GENERATOR CAPACITY
(kW) AND MODEL
NUMBERS (Pg-3) ARE
REFERENCES ONLY.
FG5431-4G PAD USED FOR GROUP A01-16
RESISTANCE
DESIGN CHECK
EXPOSURE C
DESIGN CHECK
EXPOSURE D
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GENERAC
GENERAC
GENERAC
GENERAC
EXPOSURE C
GENERATORS
SEE PG 3 OF 3 FOR
GROUP DETAILS
GENERAC
GENERAC
GENERAC
GENERAC
GENERAC
GENERAC
GENERAC
GENERAC
GENERAC
GENERAC
UNIT / EQUIPMENT
MAXIMUM DIMENSIONS
INCHES
CONCRETE (HURRICANE) PADS (GENPADs) FOR GENERAC GENERATORS
PG. 1 of 3
EXPOSURE D
GENERAC
GENERAC