Page 1 PERMIT# 20-02000168
Allen Gezelman, PE, CSI-CDT, LEED-AP FL 59180 18865 State Road 54, #176 Lutz, FL 33558 813-909-1956 [email protected] Donald Tyre Building Official City of St. Petersburg Planning and Development Services 727-893-4153 [email protected] Engineering Response Letter (Prj: 0480P.TBS.UMC_StPetersburg_FL_PV20R1) Tampa, 03.24.2020 Solar PV Commercial, PERMIT# 20-02000168 , Parcel #ID: 01-31-16-00558-007-0010 3803 HAINES RD N ST PETERSBURG, FL 33703 Fire Comments: Ken Steinke 727 893-7570. REFER TO FLA FIRE PREVENTION CODE 6TH EDITION, NFPA 1, CHAPTER 11. 1, SUBMIT THE TOTAL EXISTING BUILDING SQ. Response: Added to plan, Refer to Revision Cloud Tag1 Plan PV20 2, SUBMIT THE EXISTING BUILDING NUMBER OF STORIES. Response: Corrected on plan, Refer to Revision Cloud Tag1 Plan PV20 3, SUBMIT THE EXISTING BUILDING TYPE OF CONSTRUCTION. Response: Added to plan, Refer to Revision Cloud Tag1 Plan PV20. See Exhibition A to this letter 4, SUBMIT THE REQUIRED SMOKE VENTILATION LOCATIONS, SEE 11.12.2.2.2.3 AND 11.12.2.2.3.3.2, (1) (2) OR (3). Response: Indicated 4’x8’ Ventilation Area, added Pathway Dimension, Added Fire Safety Indication 8, Added additional Array Response Section Dimensions to enhance clarity. Refer to Revision Cloud Tag1 Plan PV20 Allen Gezelman, PE, CSI-CDT, LEED-AP FL 59180
48
"
48" ACCESS PATHWAY
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48
"
48" ACCESS PATHWAY
SOLAR ARRAY
SOLAR ARRAY
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A
Y
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2
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109'-6"
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"
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2
'
55
'
32'
23
'
65'-7"
7
5
'
-
6
"
3
24" PARAPET WALL
4
8
"
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104'-11"
45
'-8
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4
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- NON REQUIRED PATHWAY -
7
5
'
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"
SOLAR ARRAY
2
8
4
'
-
2
"
4
'
-
8
"
112'-4"
METER
UTILITY ROOM
PV SERVICE DISC
MAIN PANEL
AC COMBINER PANEL
SER CBBLE THROUGH ATTIC
RE: ROOF S
AFETY
PLAN
5
7
6
SCALE: 1/8" = 1'-0"
ROOF SAFETY PLAN
SHEET NO:
PUBLISHED:
SHEET NAME:
DRAWN: CHECKED:SB SR
REVISIONS:
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3/24/20
Siggi Brocks
CONTRACTOR:
ALLEN GEZELMAN
16502 HANNA RD.
LUTZ, FLORIDA 33549
Allen@Gezelman PE.COM
PR
OP
ER
TY
ID
: 0
1-3
1-1
6-0
05
58
-0
07
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STEVE RUTHERFORD
625 ONTARIO AVE.
TAMPA, FL 33606 US
PH. 813-398-3687
CVC#56923
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IF THIS ITEM HAS BEEN ELECTRONICALLY
SIGNED AND SEALED BY (ALLEN
GEZLEMAN, PE) ON THE DATE AND/OR
TIME STAMP SHOWING USING A DIGITAL
SIGNATURE, PRINTED COPIES OF THIS
DOCUMENT ARE NOT CONSIDERED
SIGNED AND SEALED AND THE
SIGNATURE MUST BE VERIFIED ON ANY
ELECTRONIC COPY.
FIRE SAFETY REQUIREMENTS:
MARKINGS REQUIRED AND INSTALLED PER 2015 NFPA1.11.12
11.12.2.1.1 MAIN SERVICE DISCONNECT MARKING. A LABEL SHALL BE
PERMANENTLY AFFIXED TO THE MAIN SERVICE DISCONNECT PANEL SERVING
ALTERNATING CURRENT (AC) AND DIRECT CURRENT (DC) PHOTOVOLTAIC
SYSTEMS. THE LABEL SHALL BE RED WITH WHITE CAPITAL LETTERS AT LEAST
3/4 IN. (19 IN HEIGHT AND IN A NONSERIF FONT, TO READ:
“WARNING: PHOTOVOLTAIC POWER SOURCE"
THE MATERIALS USED FOR THE LABEL SHALL BE REFLECTIVE, WEATHER
RESISTANT, AND SUITABLE FOR THE ENVIRONMENT.
11.12.2.1.2 CIRCUIT DISCONNECTING MEANS MARKING. A PERMANENT LABEL
SHALL BE AFFIXED ADJACENT TO THE CIRCUIT BREAKER CONTROLLING THE
INVERTER OR OTHER PHOTOVOLTAIC SYSTEM ELECTRICAL CONTROLLER
SERVING AC AND DC PHOTOVOLTAIC SYSTEMS. THE LABEL SHALL HAVE
CONTRASTING COLOR WITH CAPITAL LETTERS AT LEAST 3/8 IN. (10 MM) IN
HEIGHT AND IN A NONSERIF FONT, TO READ:
“PHOTOVOLTAIC DISCONNECT.”
THE LABEL SHALL BE CONSTRUCTED OF DURABLE ADHESIVE MATERIAL OR
OTHER APPROVED MATERIAL.
11.12.2.1.3* CONDUIT, RACEWAY, ENCLOSURE, CABLE ASSEMBLY, AND JUNCTION
BOX MARKINGS. MARKING SHALL BE REQUIRED ON ALL INTERIOR AND EXTERIOR
DC CONDUITS, RACEWAYS, ENCLOSURES, CABLE ASSEMBLIES, AND JUNCTION
BOXES.
11.12.2.1.3.1 MARKING LOCATIONS. MARKING SHALL BE PLACED ON ALL DC
CONDUITS, RACEWAYS, ENCLOSURES, AND CABLE ASSEMBLIES EVERY 10 FT
(3048 MM), AT TURNS, AND ABOVE AND BELOW PENETRATIONS. MARKING SHALL
BE PLACED ON ALL DC COMBINER AND JUNCTION BOXES.
11.12.2.1.3.2* MARKING CONTENT AND FORMAT. MARKING FOR DC CONDUITS,
RACEWAYS, ENCLOSURES, CABLE ASSEMBLIES, AND JUNCTION BOXES SHALL
BE RED WITH WHITE LETTERING WITH MINIMUM 3/8 IN. (10 MM) CAPITAL LETTERS
IN A NONSERIF FONT, TO READ:
“WARNING: PHOTOVOLTAIC POWER SOURCE.”
MARKING SHALL BE REFLECTIVE, WEATHER RESISTANT, AND SUITABLE FOR THE
ENVIRONMENT.
11.12.2.1.5 INSTALLER INFORMATION. SIGNAGE, ACCEPTABLE TO THE AHJ,
SHALL BE INSTALLED ADJACENT TO THE MAIN DISCONNECT INDICATING THE
NAME AND EMERGENCY TELEPHONE NUMBER OF THE INSTALLING
CONTRACTOR.
11.12.2.2.1.2 PITCH. DESIGNATION OF RIDGE, HIP, AND VALLEY SHALL NOT
APPLY TO ROOFS WITH 2-IN-12 OR LESS PITCH
11.12.2.2.1.3 ROOF ACCESS POINTS. ROOF ACCESS POINTS SHALL BE DEFINED
AS AREAS WHERE FIRE DEPARTMENT LADDERS ARE NOT PLACED OVER
OPENINGS (WINDOWS OR DOORS), ARE LOCATED AT STRONG POINTS OF
BUILDING CONSTRUCTION, AND ARE IN LOCATIONS WHERE THEY WILL NOT
CONFLICT WITH OVERHEAD OBSTRUCTIONS (TREE LIMBS, WIRES, OR SIGNS).
11.12.2.2.4 LOCATION OF DIRECT CURRENT (DC) CONDUCTORS.
11.12.2.2.4.1 EXTERIOR-MOUNTED DC CONDUITS, WIRING SYSTEMS, AND
RACEWAYS FOR PHOTOVOLTAIC CIRCUITS SHALL BE LOCATED AS CLOSE AS
POSSIBLE TO THE RIDGE, HIP, OR VALLEY AND FROM THE HIP OR VALLEY AS
DIRECTLY AS POSSIBLE TO AN OUTSIDE WALL TO REDUCE TRIP HAZARDS
AND MAXIMIZE VENTILATION OPPORTUNITIES.
11.12.2.2.4.2 CONDUIT RUNS BETWEEN SUBARRAYS AND TO DC COMBINER
BOXES SHALL BE DESIGNED TO TAKE THE SHORTEST PATH FROM THE ARRAY
TO THE DC COMBINER BOX.
11.12.2.2.4.3 DC COMBINER BOXES SHALL BE LOCATED SO THAT CONDUIT
RUNS ARE MINIMIZED IN THE PATHWAYS BETWEEN ARRAYS.
11.12.2.2.4.4 DC WIRING SHALL BE RUN IN METALLIC CONDUIT OR RACEWAYS
WHERE LOCATED WITHIN ENCLOSED SPACES IN A BUILDING.
11.12.2.2.4.4.1 WHERE DC WIRING IS RUN PERPENDICULAR OR PARALLEL TO
LOAD-BEARING MEMBERS, A MINIMUM 10 IN. (254 MM) SPACE BELOW ROOF
DECKING OR SHEATHING SHALL BE MAINTAINED.
FIRE SAFETY INDICATIONS:
1. ROOF ACCESS POINT, PER NFPA 1 11.12.2.2.1.3
2. PV MODULES INSTALLED ON ROOF WITH ALUMINUM SOLARMOUNT
MOUNTING SYSTEM. THE MOUNTING SYSTEM IS CLASS A FIRE RATED
ON A 1/12 SLOPED ROOF WHEN INSTALLED WITH TYPE 1, 2, 3, OR 10
MODULES. THE LONGI SOLAR LR6 - 365W IS TYPE 1.
3. 4.0 FT. WIDE FIRE ACCESS PATHWAY, PER NFPA 1 11.10.2.2.2.1.3 AND
NFPA 1 11.10.2.2.2.1.2
4 RAPID SHUTDOWN (2014 NEC 690.12) FRONIUS INVERTER TO
TRIGGER BASED ON THE STATE OF AC GRID. IF AC VOLTAGE IS LOST,
I.E. DUE TO GRID FAILURE, OR MANUAL DISCONNECT, INVERTER
WILL SHUT DOWN, INTERRUPTING THE FLOW OF POWER FROM
THE PV ARRAY TO THE AC COLLECTION PANEL.
5. PHOTO VOLTAIC AC (MAIN SERVICE) DISCONNECT.
6. (E) EXISTING UTILITY METER SOCKET
7. AC COLLECTION PANEL ROOF MOUNTED AT GABLE WALL
8. REQUIRED SMOKE VENTILATION NFPA1.12.2.2.3.3.2 (3)
A PATHWAY 4 FT (1219 MM) OR GREATER IN WIDTH AND BORDERING
4 FT (1219 MM) × 8 FT (2438 MM) VENTING CUTOUTS OPTIONS EVERY
20 FT (6096 MM) ON ALTERNATING SIDES OF THE PATHWAY
BUILDING CLASSIFICATION
GROUP A3 (FBC2017-6
TH
ED)ACCESSORY PLACE OF RELIGIOUS WORSHIP
TWO STORY ≈ 20 FT HIGHT
1/12 OR LESS ROOF PITCH
THERMOPLASTIC POLYOLEFIN SINGLE-PLY ROOF
BUIDLING MAXIMUM DIMENSIONS: 184FT X 84 FT
BUILDING GROSS AREA 6761 SQFT EACH FLOOR
TYPE OF CONSTRUCTION
TYPE II NON COMBUSTIBLE
8" CMU WALLS WITH CONCRETE REINFORCED STRUCTURAL ELEMENTS
FLOORS 7" PRESTRESSED HOLLOW CORE SLAB WITH 2" CONC TOPPING
ROOF CLASS A
2" TECTUM ROOF TILE ON 10" PRESTESSED CONCRETE JOISTS
SINGLE PLY TPO ROOF MEMBRANE
SCALE: 1/32" = 1'-0"
SITE SAFETY PLAN
21'-3"