CoK Solid Waste ESBSITE DEVELOPMENT REVIEW COMMITTEE REQUIREMENTS
COMMERCIAL, INDUSTRIAL, AND MULTIFAMILY
APPLICATIONS
Any applications involving: (1) new construction;
(2) change of use of the property; or
(3) structural expansion.
In addition to building plans and a completed building permit application form, electronic
copies of the site plan and any related plans must be submitted for review to the Site
Development Review Committee. The site plan must be drawn to an appropriate scale
(typically 1"=20' or 1”=10’) and, at a minimum, address the following:
______(1) North arrow, vicinity map indicating project location, and indication of scale;
______(2) All property lines with dimensions (if multiple contiguous lots are being
developed, show each property line even if internal to the site and include a copy
of the deed for each parcel);
______(3) All existing improvements on the property (structures, fences, driveways,
sidewalks, curb cuts, signage, etc);
______(4) All adjacent rights-of-way;
______(5) All proposed improvements, including new construction, parking,
landscaping, fencing, sidewalks, driveways, lighting, drainage, and any other
proposed changes to the property;
______(6) All existing utilities and utility easements and all proposed utility mains, lines,
extensions, and easements;
______(7) Existing and proposed fire hydrant location(s) and/or any proposed fire code
related features such as fire lanes;
______(8) Proposed drainage and grading plans (to be coordinated with Public Works);
______(9) Proposed landscape plan (to be coordinated with the Parks Dept.)
______(10) Handicap access, including ramps and parking.
______(11) A full exterior lighting plan, which shall include (a) specifications for all
exterior lights (including wall mounted lighting); (b) total pole heights for all
poles; and (c) a photometric layout with a 10 foot grid or contours.
X
See Sheets CV1.1 (Existing Conditions) and CI1.1 (Proposed Conditions)
X
See Sheet CV1.1 (Existing Conditions), no Deed provided at this time.
See Sheet CV1.1 (Existing Conditions)
X
See Sheet CV1.1 (Existing Conditions)
X
X
See Sheet CI1.1 (Proposed Conditions)
X
See Sheet CV1.1 (Existing Conditions) and Engineering Calculation #1
X
See Sheet CV1.1 (Existing Conditions) and Engineering Calculations #2 & #3
Not included at this time
Not included at this time
See Sheet CI1.1 (Proposed Conditions)
X
Not included at this time
#1 – SOG Interceptor Sizing
#1 – SOG Interceptor Sizing - Page 1 of 2
By: Ryan Mitchell, PE, PLS
Checked By: Tony Woods, EI
Date: 5/20/2026
Project: City of Kalispell Solid Waste Equipment Building
Engineering Calculation #1 – SOG Interceptor Sizing
Project No.: RPA #26204.000
Purpose:
Provide an opinion of the Sand, Oil & Grease (SOG) interceptor size for the water collected by floor
drains within the Solid Waste Equipment Building. The building consists of four (4) bays and a total
area of 4,000 SF to store Solid Waste Vehicles (Garbage Trucks).
Note: No washing of vehicles/equipment will be done within the building, as there is an outside
Wash Bay adjacent to the facility.
Data:
The following reference documents were used to determine our opinion for the size and number of
SOGs for water collected by floor drains:
City of Kalispell, MT SOG Policy Requirements SOG-Policy-Requirements-and-BMPs-
PDF (kalispell.com)
Calculations:
1. Area (Floor Space) of Interior Equipment Storage Area
Equipment Storage Area: The area (floor space) of the interior equipment storage area is
4,000 SF.
2. Sizing of SOG Interceptor
A SOG Interceptor will be required by the City of Kalispell prior to discharge to the
wastewater system.
Sizing of the SOG is indicated in the City of Kalispell Standards, as shown below:
#1 – SOG Interceptor Sizing - Page 2 of 2
Other research has found a more expanded list of Use Factors, such as:
A Use Category of “Storage Area” and a Use Factor of 100 SF is appropriate for the
Equipment Storage Area.
SOC CapacityEquipment Storage Area = 4,000 SF / 100 SF x 7.48 gal = 299 GAL.
Product Availability: Glacier Precast in Kalispell, MT manufacturers SOGs in four (4)
available sizes: 1,000 GAL, 1,500 GAL, 2,000 GAL and 2,500 GAL.
From the table and calculations above, we will need the following SOGs:
One (1) 1,000 GAL SOG for the Equipment Storage Area.
#2 – Required Fire Flow and Flow Duration
#2 – Required Fire Flow and Flow Duration - Page 1 of 3
By: Ryan Mitchell, PE, PLS
Checked By: Tony Woods, EI
Date: 5/20/2026
Project: City of Kalispell – Solid Waste Equipment Storage Building (ESB)
Engineering Calculation #2 – Required Fire Flow and Flow Duration
Project No.: RPA #26204.000
Purpose:
Provide an opinion of the required Fire Hydrant Flows per the International Fire Code (IFC) 2021.
Data:
The following reference documents and information were used to determine our opinion for the
required fire hydrant flows:
CWG Architecture provided the Building Construction Type and the Square Footage.
International Fire Code (IFC) 2021, Appendix B.
Calculations:
1. Building Construction Type
The Building Construction is Type V-B.
2. Building Size
The Building Size is 4,000 SF.
3. Fire Suppression System
No fire suppression system is planned for this building.
#2 – Required Fire Flow and Flow Duration - Page 2 of 3
4. Required Fire Flow and Flow Duration per Table B105.1(2)
In the table below, find the required fire flow and flow duration based on Building
Construction and Building Size:
TABLE B105.1(2)
REFERENCE TABLE FOR TABLES B105.1(1) AND B105.2
FIRE-FLOW CALCULATION AREA (square feet) FIRE FLOW
(gallons per
minute)b
FLOW
DURATION
(hours) Type IA and
IBa
Type IIA and
IIIAa
Type IV and V-
Aa
Type IIB and
IIIBa
Type V-Ba
0 - 22,700 0 - 12,700 0 - 8,200 0 - 5,900 0 - 3,600 1,500 2
22,701 - 30,200 12,701 -
17,000
8,201 - 10,900 5,901 - 7,900 3,601 - 4,800 1,750
30,201 - 38,700 17,001 -
21,800
10,901 - 12,900 7,901 - 9,800 4,801 - 6,200 2,000
38,701 - 48,300 21,801 -
24,200
12,901 - 17,400 9,801 - 12,600 6,201 - 7,700 2,250
48,301 - 59,000 24,201 -
33,200
17,401 - 21,300 12,601 -
15,400
7,701 - 9,400 2,500
59,001 - 70,900 33,201 -
39,700
21,301 - 25,500 15,401 -
18,400
9,401 - 11,300 2,750
70,901 - 83,700 39,701 -
47,100
25,501 - 30,100 18,401 -
21,800
11,301 - 13,400 3,000 3
83,701 - 97,700 47,101 -
54,900
30,101 - 35,200 21,801 -
25,900
13,401 - 15,600 3,250
97,701 -
112,700
54,901 -
63,400
35,201 - 40,600 25,901 -
29,300
15,601 - 18,000 3,500
112,701 -
128,700
63,401 -
72,400
40,601 - 46,400 29,301 -
33,500
18,001 - 20,600 3,750
128,701 -
145,900
72,401 -
82,100
46,401 - 52,500 33,501 -
37,900
20,601 - 23,300 4,000 4
145,901 -
164,200
82,101 -
92,400
52,501 - 59,100 37,901 -
42,700
23,301 - 26,300 4,250
164,201 -
183,400
92,401 -
103,100
59,101 - 66,000 42,701 -
47,700
26,301 - 29,300 4,500
183,401 -
203,700
103,101 -
114,600
66,001 - 73,300 47,701 -
53,000
29,301 - 32,600 4,750
203,701 -
225,200
114,601 -
126,700
73,301 - 81,100 53,001 -
58,600
32,601 - 36,000 5,000
225,201 -
247,700
126,701 -
139,400
81,101 - 89,200 58,601 -
65,400
36,001 - 39,600 5,250
247,701 -
271,200
139,401 -
152,600
89,201 - 97,700 65,401 -
70,600
39,601 - 43,400 5,500
271,201 -
295,900
152,601 -
166,500
97,701 - 106,500 70,601 -
77,000
43,401 - 47,400 5,750
295,901 -
Greater
166,501 -
Greater
106,501 -
115,800
77,001 -
83,700
47,401 - 51,500 6,000
- - 115,801 -
125,500
83,701 -
90,600
51,501 - 55,700 6,250
- - 125,501 -
135,500
90,601 -
97,900
55,701 - 60,200 6,500
- - 135,501 -
145,800
97,901 -
106,800
60,201 - 64,800 6,750
- - 145,801 -
156,700
106,801 -
113,200
64,801 - 69,600 7,000
- - 156,701 -
167,900
113,201 -
121,300
69,601 - 74,600 7,250
- - 167,901 -
179,400
121,301 -
129,600
74,601 - 79,800 7,500
- - 179,401 -
191,400
129,601 -
138,300
79,801 - 85,100 7,750
- - 191,401 - Greater 138,301 -
Greater
85,101 -
Greater
8,000
a Types of construction are based on the International Building Code.
b Measured at 20 psi residual pressure.
Thus, 1,750 gpm for 2 hours
#2 – Required Fire Flow and Flow Duration - Page 3 of 3
5. Required Fire Flow and Flow Duration per Table B105.2
If the building is sprinklered there is a reduction applied per Table B105.2 as shown
below:
Not Applicable, as the building is NOT sprinklered.
TABLE B105.2
REQUIRED FIRE FLOW FOR BUILDINGS OTHER THAN ONE- AND TWO-FAMILY DWELLINGS,
GROUP R-3 AND R-4 BUILDINGS AND TOWNHOUSES
AUTOMATIC SPRINKLER
SYSTEM
(Design Standard)
MINIMUM FIRE FLOW
(gallons per minute)
FLOW DURATION
(hours)
No automatic sprinkler system Value in Table B105.1(2) Duration in Table B105.1(2)
Section 903.3.1.1 of the International
Fire Code
25% of the value in Table B105.1(2)a Duration in Table B105.1(2) at the
reduced flow rate
Section 903.3.1.2 of the International
Fire Code
25% of the value in Table B105.1(2)b Duration in Table B105.1(2) at the
reduced flow rate
a The reduced fire flow shall be not less than 1,000 gallons per minute.
b The reduced fire flow shall be not less than 1,500 gallons per minute.
Section 903.3.1.1 of IFC is for NFPA 13 Systems and is primarily used in Commercial
Construction.
Section 903.3.1.2 of IFC is for NFPA 13R Systems and is primarily for Group R
occupancies or residential structures.
6. Automatic Sprinkler System Demand and Hose Allowance
Not Applicable, as the building is NOT sprinklered.
The automatic sprinkler system demand and hose allowance is 0 gpm.
7. Required Fire Flow and Flow Duration per B105.3
If your project has an approved automatic sprinkler system, the following comes from
IFC section B105.3:
Not Applicable, as the building is NOT sprinklered.
For buildings equipped with an approved automatic sprinkler system, the water
supply shall be capable of providing the greater of:
1. The automatic sprinkler system demand, including hose stream allowance.
2. The required fire flow.
8. Summary of Fire Flow and Duration
Thus, 1,750 gpm for 2 hours
#3 – Required Fire Hydrant Locations and Distribution
#3 – Required Fire Hydrant Locations and Distribution - Page 1 of 3
By: Ryan Mitchell, PE, PLS
Checked By: Tony Woods, EI
Date: 5/20/2026
Project: City of Kalispell – Solid Waste Equipment Storage Building (ESB)
Engineering Calculation #3 – Required Fire Hydrant Locations and Distribution
Project No.: RPA #26204.000
Purpose:
Provide an opinion of the required Fire Hydrant Locations and Distribution per the International Fire
Code (IFC) 2021.
Data:
The following reference documents and information were used to determine our opinion for the
required fire hydrant flows:
Engineering Calculation #2 for Required Fire Flow and Duration per IFC 2021
International Fire Code (IFC) 2021, Appendix C.
Calculations:
1. Required Fire Flow
The required fire flow was determined from previous calculations to be 1,750 gpm.
2. Fire Suppression System
No fire suppression system is planned for this building.
3. Number of Hydrants
The number of hydrants available to a building shall be not less than the minimum
specified in Table C102.1 shown below.
#3 – Required Fire Hydrant Locations and Distribution - Page 2 of 3
TABLE C102.1
REQUIRED NUMBER AND SPACING OF FIRE HYDRANTSh
FIRE-FLOW
REQUIREMENT
(gpm)
MINIMUM NUMBER OF
HYDRANTS
AVERAGE SPACING
BETWEEN
HYDRANTS a, b, c, f, g
(feet)
MAXIMUM DISTANCE
FROM ANY POINT ON
STREET OR ROAD
FRONTAGE TO A
HYDRANT d, f, g
1,750 or less 1 500 250
1,751—2,250 2 450 225
2,251—2,750 3 450 225
2,751—3,250 3 400 225
3,251—4,000 4 350 210
4,001—5,000 5 300 180
5,001—5,500 6 300 180
5,501—6,000 6 250 150
6,001—7,000 7 250 150
7,001 or more 8 or moree 200 120
a Reduce by 100 feet for dead-end streets or roads.
b Where streets are provided with median dividers that cannot be crossed by fire fighters pulling hose lines, or where arterial streets
are provided with four or more traffic lanes and have a traffic count of more than 30,000 vehicles per day, hydrant spacing shall
average 500 feet on each side of the street and be arranged on an alternating basis.
c Where new water mains are extended along streets where hydrants are not needed for protection of structures or similar fire
problems, fire hydrants shall be provided at spacing not to exceed 1,000 feet to provide for transportation hazards.
d Reduce by 50 feet for dead-end streets or roads.
e One hydrant for each 1,000 gallons per minute or fraction thereof.
f A 50-percent spacing increase shall be permitted where the building is equipped throughout with an approved automatic sprinkler
system in accordance with Section 903.3.1.1 of the International Fire Code.
g A 25-percent spacing increase shall be permitted where the building is equipped throughout with an approved automatic sprinkler
system in accordance with Section 903.3.1.2 or 903.3.1.3 of the International Fire Code or Section P2904 of the International
Residential Code.
h The fire code official is authorized to modify the location, number and distribution of fire hydrants based on site-specific
constraints and hazards.
Thus, below is a summary of Table C102.1
Minimum # of Hydrants = One (1) fire hydrant is required for 1,750 gpm
Average Spacing Between Hydrants = 500 feet
Max Distance from Any Point on Street to Hydrant = 250 feet
4. Fire Hydrant Distribution – Not Applicable, as only one (1) fire hydrant is required.
If more than one (1) fire hydrant is required, the distance between fire hydrants shall be
in accordance with IFC Sections C103.2 and C103.3 as follows:
• C103.2 Average Spacing. The average spacing between fire hydrants shall be in
accordance with Table C102.1.
Exception: The average spacing shall be permitted to be increased by 10
percent where existing fire hydrants provide all or a portion of the required
number of fire hydrants.
• C103.3 Maximum Spacing. The maximum spacing between fire hydrants shall
be in accordance with Table C102.1
#3 – Required Fire Hydrant Locations and Distribution - Page 3 of 3
Note: Footnote “f” allows for a 50-percent spacing increase if the building
has a NFPA 13 approved automatic sprinkler system.
Below is an image showing the proposed building and existing Fire Hydrant Locations
and available Fire Flows:
Thus, the southern Fire Hydrant is ~ 308’ from the building (hose lay length) and
the eastern Fire Hydrant is ~ 472’ from the building (hose lay length).
It is likely that the AHJ will require a water main extension/loop and an additional
Fire Hydrant to be installed southeast of the new building.
The maximum distance from the road to a new fire hydrant would be 250 ft.
04.10.2026
0000-000-000
DRAWN BY
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M.ROGERS
R.MITCHELL
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SEC18, T28N,
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176.12' S88° 04' 08"E
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KALISPELL SOLID WASTE SHOP 2026 RPA CONTROL POINT TABLE
POINT NORTHING EASTING ELEVATION DESCRIPTION
1 70,865.30 45,908.47 2931.62 SET MAG NAIL WITH PLASTIC WASHER
2 70,724.65 45,758.31 2931.54 SET MAG NAIL WITH PLASTIC WASHER
99 70,371.84 46,962.75 2930.02 FOUND MDT ALUMINUM CAP ON REBAR. CONTROL #A1012003
98 70,887.70 46,568.09 2933.21 FOUND MDT ALUMINUM CAP ON REBAR. CONTROL #AL1012
METADATA
SURVEY PERFORMED BY ROBERT PECCIA AND ASSOCIATES - MARCH 2026 USING TRIMBLE R12I GPS/GNSS
CONTROL PRIMARILY ESTABLISHED WITH AND RTK METHODS
EXIST
BLDG EXIST
BLDG
04.10.2026
0000-000-000
DRAWN BY
APPROVED BY
M.ROGERS
R.MITCHELL
DATE
REVISIONS
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EXIST
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AERIAL IMAGE DATE: AUGUST 2025
CIVIL IMPROVEMENTS OVERVIEW
NEW BUILDING
FF=XXXX.XX
EXIST
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