Spec Sheet

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.
2) THE AREA UNDER CONCERETE SLAB ON GROUND SHALL HAVE ALL MATERIALS REMOVED PRIOR TO INSTALLATION ON COMPACTED SOIL AS VERIFIED BY OTHERS.
MINIMUM SOIL COEFFICIENT OF FRICTION = 0.25
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.
6) ENGINEER SEAL AFFIXED HERETO VALIDATES STRUCTURAL DESIGN AS SHOWN ONLY. USE OF THIS SPECIFICATION BY CONTRACTOR, et. al. INDEMNIFIES & SAVES
HARMLESS THIS ENGINEER FOR ALL COST & DAMAGES INCLUDING LEGAL FEES & APPELLATE FEES RESULTING FROM MATERIAL FABRICATION, SYSTEM ERECTION,
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) THIS DOCUMENT IS GENERIC AND 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
MODIFICATION OF EXISTING FIELD CONDITIONS AND FABRICATION AND INSTALLATION OF MATERIALS.
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.
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
HURRICANE CONCRETE PAD FOR GENERAC GENERATORS (GENERAC UNITS)
(,)
PAD FOR SLIDING RESISTANCE PURPOSE, 12 DIAMETERS EDGE DISTANCE FROM ANY CONCRETE FACE (NOT SHOWN).
16) PADS / UNITS INSTALLED DIRECTLY ON ANY COASTLINE REQUIRE A HEAVIER AND LARGER PAD
TO ACCOUNT FOR EXPOSURE D ; Table 28.3-1; Kz = 1.03
ENGINEERING DATA:
1) ANALYSES PER 6th EDITION (2017) FLORIDA BUILDING CODE - SECTION 1620 HIGH VELOCITY HURRICANE ZONES.
2) WIND LOADS & LOAD COMBINATIONS PER ASCE 7-10 SECTION 2.4.1 (LOAD COMBINATIONS), SECTION 29.5 &
FIGURE 29.5.1 FOR: WIND LOADS ON OTHER STRUCTURES
3) 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.
4) WIND LOAD: Wind Speed V =
185
MPH (RISK CATEGORY II)
F = qz*G*Cf*Af (Eq. 29.5-2) = 74.63 *Af (lbs)
qz = 0.00256 * Kz * Kzt * Kd * V^2 = 67.03 PSF
Exposure C ; Table 28.3-1 Kz = 0.85
Figure 26.8-1 Kzt = 1.00
DiversiTech Corporation
Table 26.6-1 Kd = 0.90
6650 Sugarloaf Parkway #100
Figure 29.5-1 Cf = 1.31
Duluth, GA 30097
G = 0.85
[phone]
AIR 185 MPH 0.6(UNIT+
COOLED MINIMUM (2pc PAD) PAD 2pc PAD PAD WIND 0.6(WIND PAD) RESISTING
WEIGHT MODEL WEIGHT WIDTH LENGTH THICK LOAD MOMENT) WEIGHT MOMENT
WIDTH LENGTH HEIGHT LBS. NUMBER LBS. IN. IN. IN. LBS. FT-LBS. LBS. FT-LBS.
GENERAC 09kW 25 48 29 340 FG5431-4G 275
31.3 54.3 4 721 667 369.0 481 OK FOR 0 MPH
GENERAC 11kW 25 48 29 348 FG5431-4G 275
31.3 54.3 4 721 667 373.8 487 OK FOR 0 MPH
GENERAC 16kW 25 48 29 406 FG5431-4G 275
31.3 54.3 4 721 667 408.6 533 OK FOR 0 MPH
GENERAC 20kW 25 48 29 448 FG5431-4G 275
31.3 54.3 4 721 667 433.8 566 OK FOR 0 MPH
GENERAC 22kW 25 48 29 466 FG5431-4G 275
31.3 54.3 4 721 667 444.6 580 OK FOR 0 MPH
MAXIMUM DIMENSIONS DESIGN
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INCHES CHECK
Randall M. Bachtel, P.E. - 770.713.0823 / 770.713.6464
UNIT / EQUIPMENT FG8341-4G PAD USED FOR ALL