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COPYRIGHT ENGINEERING EXPRESSC:\Users\colby\Engineering Express\Production - Documents\Projects\21-36079 Precast Pads - 32x54x4\WP\Drawings & CAD\21-36079b - Precast Pads 32x54x4 Foam Core Pad.dwg03/11/2021 - 2:26pmcolbyINIT ISSUE (19-16293)LOFLB10/14/192020 FBCCCBFLB1/15/21PRECAST PADS
FOAM CORE CONCRETE GENERATOR PAD
32 X 54 x 4 IN, FOAM CORE (341 LB MIN)
(ON-GRADE APPLICATIONS ONLY)
STEP 1: DETERMINE WIND VELOCITY
PER LOCATION, RISK, AND EXPOSURE
NOTE: TABLE ABOVE INCLUDES A QUICK REFERENCE OF COMMON FLORIDA CONDITIONS (AT ULTIMATE DESIGN
WIND VELOCITIES) FOR SITE-SPECIFIC CONDITIONS, CONSULT LOCAL BUILDING MUNICIPALITY. MAXIMUM
DESIGN WIND PRESSURES AT GRADE PER SPECIFIED EXPOSURE REMAIN CONSTANT FOR ANY MAX WIND
VELOCITY. FOR SITE-SPECIFIC WIND VELOCITY AND PRESSURE CONVERSIONS, SEE QR LINK PROVIDED BELOW.
STEP 2: DETERMINE CONCRETE PAD PER ALLOWABLE WIND PRESSURE
DESIGN NOTES
1.THIS SYSTEM HAS BEEN DESIGNED AND SHALL BE
FABRICATED IN ACCORDANCE WITH THE
REQUIREMENTS OF THE FLORIDA BUILDING CODE
SIXTH & SEVENTH EDITION (2017 & 2020).
2.POSITIVE AND NEGATIVE DESIGN PRESSURES
CALCULATED FOR USE WITH THIS SYSTEM SHALL
BE DETERMINED BY OTHERS ON A JOB-SPECIFIC
BASIS IN ACCORDANCE WITH THE GOVERNING
CODE.
3.MAXIMUM DIMENSIONS AND WEIGHT OF
GENERATORS UNIT SHALL CONFORM TO
SPECIFICATIONS STATED HEREIN.
4.THE AREA UNDER CONCRETE SLAB ON GROUND
SHALL HAVE ALL VEGETATION, STUMPS, ROOTS,
AND FOREIGN MATERIALS REMOVED PRIOR TO
INSTALLATION ON COMPACTED SOIL AS VERIFIED
BY OTHERS. THESE CONCRETE PADS HAVE BEEN
DESIGNED FOR A MINIMUM BEARING CAPACITY OF
2,000 PSF AND MINIMUM SUBGRADE MODULUS =
100 PCI. SHOULD OTHER CONDITIONS OR
MATERIALS BE ENCOUNTERED, THE ENGINEER OF
RECORD SHALL BE NOTIFIED PRIOR TO
PROCEEDING WITH THE WORK.
5.SLIDING IS ASSUMED RESISTED BY 2"
EMBEDMENT OF PAD IN GROUND ALONG WITH
RESISTANCE FROM CONNECTED CABLING. NOMIAL
SLIDING IS NOT ASSUMED A FAILURE CASE IN
THIS DESIGN
6.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.
7.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.15.
8.HOLLOW PADS FOR USE WHERE APPLICABLE BY
CODE. USE OF PADS MAY BE SUBJECT TO
BUILDING DEPT APPROVAL
9.WATER-TIGHTNESS OF EXISTING FINISHES SHALL
BE THE FULL RESPONSIBILITY OF THE INSTALLING
CONTRACTOR. CONTRACTOR SHALL ENSURE THAT
ANY REMOVED OR ALTERED WATERPROOFING
MEMBRANE IS RESTORED AFTER FABRICATION
AND INSTALLATION OF STRUCTURE PROPOSED
HEREIN. THIS ENGINEER SHALL NOT BE
RESPONSIBLE FOR ANY WATERPROOFING OR
LEAKAGE ISSUES WHICH MAY OCCUR AS
WATER-TIGHTNESS SHALL BE THE FULL
RESPONSIBILITY OF THE INSTALLING
CONTRACTOR.
10.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.
11.THIS DOCUMENT IS GENERIC AND DOES NOT
PERTAIN TO ANY SPECIFIC PROJECT SITE.
INFORMATION CONTAINED HEREIN IS BASED ON
CONTRACTOR-SUPPLIED DATA AND
MEASUREMENTS. ENGINEERING EXPRESS 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. WORK SHALL BE FIELD VERIFIED BY
OTHERS PRIOR TO CONSTRUCTION. ENGINEERING
EXPRESS SHALL BE NOTIFIED AND GIVEN AN
OPPORTUNITY TO REEVALUATE OUR WORK UPON
DISCOVERY OF ANY INACCURATE INFORMATION
PRIOR TO MODIFICATION OF EXISTING FIELD
CONDITIONS AND FABRICATION AND
INSTALLATION OF MATERIALS. ALTERATIONS OR
ADDITIONS TO THIS DOCUMENT ARE NOT
PERMITTED AND INVALIDATE OUR CERTIFICATION.
12.EXCEPT AS EXPRESSLY PROVIDED HEREIN, NO
ADDITIONAL CERTIFICATIONS OR AFFIRMATIONS
ARE INTENDED.
REQUIRED WIND LOAD DESIGN PRESSURES CALCULATED FOR USE WITH THIS SYSTEM SHALL BE DETERMINED UNDER
SEPARATE CERTIFICATION ON A JOB-SPECIFIC BASIS IN ACCORDANCE WITH THE GOVERNING CODE. SITE-SPECIFIC LOAD
REQUIREMENTS AS DETERMINED IN ACCORDANCE WITH THE APPLICABLE BUILDING CODE SHALL BE LESS THAN OR EQUAL
TO THE POSITIVE OR NEGATIVE DESIGN PRESSURE "ASD" CAPACITY VALUES LISTED HEREIN FOR ANY ASSEMBLY AS SHOWN.
ALLOWABLE DESIGN PRESSURE
VISIT ECALC.IO/36079
FOR ENGINEER CERTIFIED ORIGINALS
& MORE INFORMATION ABOUT THIS DOCUMENT
OR SCAN THIS QR CODE
VISIT ENGINEERINGEXPRESS.COM/PRECASTPADS
FOR ADDITIONAL PLANS, REPORTS & RESOURCES
GENERAL NOTES
GENERATOR UNIT BY SEPARATE
SUBMITTAL (SEE TABLE FOR MINIMUM
WEIGHT & SIZE REQUIREMENTS)
ASCE 7-10 & 7-16 ULT WIND VELOCITY TO ASD DESIGN PRESSURE AT GRADE CONVERSION CHART - HVHZ OR NON HVHZ
EXAMPLE
COUNTY
RISK EXPOSURE RISK EXPOSURE RISK EXPOSURE
I C D II C D III, IV C D
FORT MYERS 145 MPH 29.4 PSF 35.6 PSF 160 MPH 35.8 PSF 43.4 PSF 175 MPH 42.8 PSF 51.9 PSF
PALM BEACH 150 MPH 31.5 PSF 38.1 PSF 170 MPH 40.4 PSF 49.0 PSF 180 MPH 45.3 PSF 54.9 PSF
BROWARD 156 MPH 34.0 PSF 41.2 PSF 170 MPH 40.4 PSF 49.0 PSF 180 MPH 45.3 PSF 54.9 PSF
MIAMI-DADE 165 MPH 38.1 PSF 46.1 PSF 175 MPH 42.8 PSF 51.9 PSF 186 MPH 48.4 PSF 58.6 PSF
MONROE 175 MPH 42.8 PSF 51.9 PSF 180 MPH 45.3 PSF 54.9 PSF 200 MPH 55.9 PSF 67.8 PSF
Kz (Exp C/D) (Table 26.10-1) =0.85 1.03 Kd (Table 26.6-1) =0.9 G (Section 26.11) =0.85
Kzt (Section 26.8.2) =1.0 Ke (Section 26.9) =1 Cf (Table 29.4-1) =1.4
TABLE 2.1: CONCRETE PAD INFORMATION
PRECAST PADS MODEL L, IN W, IN H, IN WT, LB
32 X 54 x 4, FOAM CORE 32 54 4 341
TABLE 2.2: ALLOWABLE LATERAL ASD PRESSURE FOR PAD / GENERATOR COMBINATION
BRAND CAPACITY MODEL L, IN W, IN H, IN WT, LB ALLOWABLE
ASD PRESSURE
EQUIVALENT WIND
EXP C EXP D
GENERAC
10 KW 005871 & 005883 25.0 48.0 28.8 387 44.4 PSF 175 MPH 160 MPH
14 KW 005872 & 005884 25.0 48.0 28.8 439 47.6 PSF 180 MPH 165 MPH
16 KW 7035, 7036, 7037 25.0 48.0 28.8 406 45.5 PSF 180 MPH 160 MPH
16 KW 007176 & 7178 25.5 48.5 28.6 420 46.5 PSF 180 MPH 165 MPH
16 KW 006721 25.0 48.0 28.8 448 48.1 PSF 180 MPH 165 MPH
16 KW 6459, 6461, 6462 25.0 48.0 28.8 513 52.1 PSF 190 MPH 175 MPH
17 KW 005874 & 005886 25.0 48.0 28.8 421 46.5 PSF 180 MPH 165 MPH
17 KW 005873 & 005885 25.0 48.0 28.8 455 48.5 PSF 186 MPH 165 MPH
18 KW 007226 & 007228 25.0 48.0 29.0 420 45.8 PSF 180 MPH 160 MPH
20 KW 007038 & 007039 25.0 48.0 28.8 448 48.1 PSF 180 MPH 165 MPH
20 KW 005875 & 005887 25.0 48.0 28.8 451 48.3 PSF 180 MPH 165 MPH
20 KW 006729 & 006730 25.0 48.0 28.8 516 52.3 PSF 190 MPH 175 MPH
22 KW 007042 & 7043 25.0 48.0 28.8 466 49.2 PSF 186 MPH 170 MPH
22 KW 006551 & 006552 25.0 48.0 28.8 526 52.9 PSF 190 MPH 175 MPH
24 KW 007209 & 7210 25.0 48.0 29.0 455 47.9 PSF 180 MPH 165 MPH
KOHLER
14 KW 14RCA 26.2 47.0 32.2 440 39.4 PSF 165 MPH 150 MPH
14 KW 14RCAL 26.2 47.0 32.2 490 41.9 PSF 170 MPH 156 MPH
20 KW 14RES & 20RES 26.0 48.0 28.8 500 51.3 PSF 190 MPH 170 MPH
20 KW 20RCA 26.2 47.0 32.2 555 45.2 PSF 175 MPH 160 MPH
20 KW 20RCAL 26.2 47.0 32.2 600 47.5 PSF 180 MPH 165 MPH
NOTES:
1- CONCRETE PADS WEIGHT CALCULATED PER STANDARD WEIGHT CONCRETE (150 PCF)
2- MIN REQUIRED WEIGHTS LISTED. REFER MANUFACTURER SPECS FOR SPECIFIC MODEL WEIGHT
3- CONCRETE MIN COMPRESSIVE STRENGTH TO BE f'c=6,000 PSI AT 28 DAYS.
4- UNITS NOT SHOWN ARE RATED TO EQUIVALENT PRESSSURES GIVEN EQUAL SIZE & EQUAL
OR GREATER WEIGHT. FOR UNITS OR CONDITIONS REQUIRING GREATER ALLOWABLE
PRESSURE, LARGER PAD OR ADDITIONAL ANCHORAGE MAY BE REQUIRED.
CL
GENERATOR
(SEE CONCRETE PAD
SCHEDULE FOR
DIMENSIONS & WEIGHT
REQUIRED)HEIGHTCL
4"
54" LENGTH32" WIDTHHEIGHT
PAD SIDE VIEW PAD FRONT VIEW
WIND LOAD
RESULTANT
12 UNIT HEIGHT +12 SLAB HEIGHTGRADE
54" LENGTH32" WIDTHCONCRETE PAD
GENERATOR
PAD DIMENSIONS: PLAN VIEW
(OPTIONAL GENERAC PRE-DRILLED
ANCHOR LAYOUT SHOWN)
REFER ANCHOR SCHEDULE FOR ALTERNATE
MINIMUM ANCHOR REQUIREMENTS
17.98"20.51"10.43"$1&+25
LOCATION
1.05"
7.74"
4" MIN2" MIN
CONCRETE PAD
54"
2" MIN50"
GROUND 1" MIN
PAD SECTION VIEW
W6 X W6 / W1.4
X 1.4 MESH MIN
LENGTH
PAD LEN
G
T
HHEIGHTPAD
THICKNESS
WI
D
T
H
PA
D
W
I
D
T
H
ISOMETRIC VIEW
GENERATOR
GENERATOR
ATTACHMENT BASE,
VARIES WITH MODEL
SEE GENERATOR SPECS
OPTIONAL RUBBER
VIBRATION PAD
SEE ANCHOR SCHEDULE
2"x3"x3 8" GALV. STEEL
WASHER
FOAM CORE 4"2"2"Y XCONCRETE PAD
6,000 PSI
CONCRETE MIX
GENERATOR
Z
GENERATOR ATTACHMENT BASE
OR SIMPSON A24 ANGLE BRACE
W/ (4) #10 SS 316 SELF-DRILLING
SCREWS
TO GENERATOR
(SEE GENERATOR SPECS)
GENERATOR MOUNTING CONFIGURATION:
NOTES:
1.Y DISTANCE DEPEND ON GENERATOR BASE LENGTH, NO LESS THAN 2".
2.X DISTANCE 3" FROM UNIT EDGE TO CLIP.
3.Z DISTANCE DEPEND ON GENERATOR BASE WIDTH, NO LESS THAN
ANCHOR REQUIREMENTS
3 8" THICK GALVANIZED
WASHER& RUBBER
VIBRATION PAD
CONCRETE PAD
6,000 PSI
CONCRETE MIX
W6 X W6 / W1.4 X 1.4 MESH MIN
'(:$/7
SCREW BOLT OR
EQUIVALENT, 1.5" FULL
EMBED TO CONCRETE,
3" MIN. EDGE
DISTANCE, 6" MIN.
SPACING TO ANY
ADJACENT ANCHOR.
ANCHOR TO PAD SCHEDULE:
NOTES:
1.ANCHOR QUANTITY PER LONG SIDE
2.EMBEDMENT AND EDGE DISTANCE
EXCLUDES FINISHES, IF
APPLICABLE.
3.ENSURE MINIMUM EDGE DISTANCE
AS NOTED IN ANCHOR SCHEDULE.
4.ENSURE MINIMUM SPACING TO
ANY ADJACENT ANCHORS.
5.FOLLOW MANUFACTURER'S
INSTALLATION INSTRUCTIONS TO
INSTALL ANCHORS.
CONCRETE:
(6000 PSI
MIN.)
SUBSTRATE DESCRIPTION
VALID ONLY FOR ZIP CODE: 34986
VALID ONLY FOR BELOW COMPANY:
Energized Electric
FOR PERMIT USE WITHIN 14 DAYS OF
DIGITAL SEAL
86488 CA-9885 | 02/04/2022