03-25-83 Parks Comm MinutesPARKS COMMITTEE
3:30 P.M. Friday March 25, 1983, Conference Room City Hall
Present: Mayor McDowell; Councilmen Vidal, Ruiz, $ O'Boyle; City Attorney Neier;
Park Supt. Drent; Engineer Dennis Carver,
Chairman Vidal opened the meeting by asking for a report on the core samples
taken at the Swim Pool. His report is attached and made a part of the minutes.
Chairman Vidal asked if they want to recommend to reconstruct, abandon or build a
new pool in another location. It is too late to do anything for this season. In
order to be ready for the 1984 season a decision must be made soon,
Parks Supt. Drent stated that Building official Peterson has inspected the bathhouse
and had advised we not try to put any more money into the Building,
To reconstruct the pool the cost will be $300,000 to $500,000, A new pool, less
than half the size will cost as much. A year round pool with cover on half will
cost $700,000 to $800,000 using the present pool. An indoor pool at another site
will cost from 1 to 12 million.
Councilman Nystul has advised that by statute we can assess up to 7 mills for a
pool.
Forming a district of Flathead Co,, School District #5 and the City to build a
recreation complex was discussed. Majority were in favor of keeping it just a
City project.
If we rebuild the present pool, there is no conflict with BOR; it would last more
than.20 years; the KATS would be satisfied and like to be involved because of
competitive standards and the financing would be the easiest to attain,
Discussion on making a parking lot out of the baseball field and closing all
traffic within the Park.
Councilman O'Boyle moved to recommend to repair the present pool and build a
new bathhouse. 2nd by Councilman Vidal, Carried,
Golf Course
City Attorney Neier has prepared a new lease for G. C, and it will be reviewed
by Councilman Ruiz and the officiers of the Association,
Councilman Vidal stated that one of the concerns with deeding the clubhouse to the
Association is that BOR may look at the Golf Course as a private club. City
Attorney Neier has discussed the situation with BOR who states you shall not convert
any Golf Course property to an individual.
A Bill is in the legislature which may take care of the liquor license problem
of serving liquor on a Golf Course.
Park Committe Mtg,
Page - 2-
Committee agreed to recommend to Council that we explore means of raising funds
for a new roof for the clubhouse.
Committee agreed to recommend to the Council that Annexation Chairman Palmer be
asked to annex a piece of the City property adjacent to Dry Bridge Park.
Meeting adjourned at 5:10 P,M.
Consulting Engineers
720 Second Street East
Kalispell, Montana 59901
Phone (406) 257.6202
March 24, 1983
Pieter Drent
Parks Superintendent
City of Kalispell
P.O. Box 1035
Kalispell, Montana 59901
RE: Swimming pool
Dear Pieter,
Civil
Structural
Development
Environmental
As you requested, I observed the coring and sampling of materials
conducted by Northern Testing Laboratories on February 24 and 25,
1983, in the shallow end of the City of Kalispell Municipal Pool.
Four holes were bored through the gunite surface and the
underlying concrete.
The gunite material was sound and varied in thickness from 2.75
inches to 5.50 inches. At the northerly bore holes, dense coarse
gravel containing material of 2" maximum size was found between
the gunite and the original concrete floor. At the location of
the southerly holes (towards the deep end), the gunite was found
to be in contact with the original concrete floor and no gravel
was evident. The original concrete floor was placed on 2 to 4
inches of coarse gravel.
The subsoil under the original concrete floor was augered to a
depth of 40 inches and found to be a medium dense silty sand
which was moist, but far from saturated. An additional hole was
augered about 50 feet north of the pool to determine the
similarity of the soils in the surrounding area to that found
beneath the slab.
Although it was of primary interest to determine the condition of
the concrete floor and subfloor, it was most important to
determine the nature of the soil underlying the floor. Had the
material been expansive or saturated, the cracking problems in
the shallow end might have been blamed on subsurface movement
caused by swelling and shrinkage or by frost action. The soil
conditions were found to be quite good and it is unlikely that
they are the cause of the cracking.
Most interesting of all was what appears to be a concrete grade
beam that was intersected under the floor slab in the northwest
core. Also the bottom slab at this point contained a corrugated
copper sheet in the top half of the floor slab. The copper was
evidently used as a water stop and was located over the grade
beam, which would structurally be a location of anticipated
cracking. After examining the cracks in the shallow end, a
pattern became evident that suggests that this end of the pool is
supported on a grid of grade beams.
Constructing a structural slab over a grid of grade beams would
leave at least a series of hairline cracks that could widen over
a period of time. These cracks would be expected over the grade
beams and could extend from the intersecting corners of the beams
towards the center of the grid. This was the pattern observed
and from the location of the copper waterstop, it appears that
the original designers anticipated the cracking.
From the above it appears that a logical explanation of the water
loss can be explained and the level that the water loss stops
also has a reasonable explanation. When the gunite was placed in
the shallow end of the pool, a gravel fill was placed over the
original slab to a depth of about 5 inches at the northerly end
of the pool and tapered to 0 inches at about the location where
the water loss stops. Apparently, where the gunite was bonded to
the original slab, old cracks in the original slab were sealed.
When cracks formed in the gunite on the northerly end of the
pool, water seeped through these cracks, through the gravel and
through the old cracks to the subsoil, which is fairly porous.
Keep in mind that the reported water loss is 6000 gallons per day
or about 4.2 gallons per minute. A 5/8" garden hose flows more
than 4.2 gallons per minute.
Another likely location of some leakage is at the joint between
the cast iron line and the pool wall at the northeast end of the
pool. Although it is evident that attempts have been made to
patch the leak, it is very difficult to reach and it appears that
leakage could occur during operation of the pool when the gutters
are in use.
As a result of the borings, I feel that the structural integrity
of the pool is good, and that repairs can be made to minimize the
leakage and that many more years of service can be had from the
basic structure.
Although I did not carefully examine the remaining facilities and
was not asked to do so, the contents of the report prepared by
William M. Smith and Associates appears quite accurate. The
gutters, filtration equipment, chlorination equipment and other
appurtenances must be a terrific challenge to maintain and
operate. The violations of current Montana Department of Health
and Environmental regulations are numerous.
Sincerely,
CARVER ENGINEERING, INC.
------------------------------
Dennis F. Carver
Great Falls, MT
Billings, MT
Boise, ID
Pocatello, ID
Casper, WY
Tri-Cities, WA
Evanston, WY
Specializing in:
® Geotechnical Engineering
® Quality Control of
Construction
® Construction Observation
and Management
®Coal Analysis and Mining -
Related Soils Analysis
® Chemical and
Environmental Consulting
Services
March 10, 1983
City of Kalispell
Via Carver Engineering
720 2nd Street East
Kalispell, Montana 59901
ATTENTION: Dennis Carver, P.E.
SUBJECT: Kalispell Swimming Pool
Concrete Coring and Testing
Gentlemen:
At your request, on February 24 and 25, 1983, we obtained
samples of gunite, concrete and subsoil at the Kalispell swimming
pool. Visual classification and moisture content tests were per-
formed on the soil samples in our laboratory. Logs of the test
borings are attached. The samples will be retained in our laboratory
for 30 days prior to disposal. If you would like to make other
arrangements for the samples, please contact us.
We have enjoyed working with you on this project and
are available to provide engineering analysis, if required. If
there are questions, please give us a call.
KDM/JAP/cml
Enclosures
In quadruplicate
Very truly yours,
Kenneth D. Munski, P.E.
Jerry A. Peterson, P.E.
UUNbULIINLi GEOTECHNICAL ENGINEERS
LOG OF EXPLORATION HOLE
L�orkodes
PROJECT: Kalispel.l Swimming Pool
coiaianHc omcsaxns JOB NO.: 83-116
DRILLTYPE: SOIL Core Machine/Hand Auger
DRILLED BY:
LOGGED BY:
REMARKS:
a
w
V
2
f2.
0
0.0
3.75
I''
14.5
K. Munski
K. Munski
Z/ CLASSIFICATION AND DESCRIPTION
W
HOLE NO. DH-1
SHEET 1 OF 1
LOCATION 24'E 131S of NW Pool Corner
ELEVATION: TOPOFHOLE 2.5' Pool Depth
GROUNDWATER Dry
DATE: HOLE STARTED 2/24/83
_ HOLE COMPLETED 2/25/83
ti
O\°
LU
a
Q�" O\O
O\O
�4�m
� o
oz '3-
o
5
q
a �-
n
o 0 2 iu Q ''
Q
J1 Z� �� �� _o Q �, d
GUNITE; sound, one crack from 1/8''
wide at the top to hairline width
�F
at the bottom.
FILL; GRAVEL, Sandy; dense, moist,
n'
clean, well graded, 2" maximum
size.
CONCRETE SLAB; sound, 3/4" aggregate
Q
4
uncracked, horizontal corrugated
copper sheet in the slab, 2-3/4"
from the top.
CONCRETE GRADE BEAM/FILL; GRAVEL,
';
,c
Sandy, dense, moist.
BOTTOM OF HOLE
jr\ ca' I
—GRAVEL, Sandy
�—
CONCRETE
Plan view of DH-1 below 14-1/2'.
Core drill apparently intersected
edge of concrete grade beam.
NTL 150
�.v1a.7vLtiItlU LICUI tl;NNIUAL ENGINEERS
LOG OF EXPLORATION HOLE
PROJECT: Kalispell Swimming Pool
JOB NO.: 83-1 16
DRILLTYPE: SOIL Core Machine/Hand Auger
ROCK
DRILLED BY: K. Munsk i
LOGGED BY: K. Munski
REMARKS:
HOLE NO. DH-2
SHEET 1 OF 1
LOCATION 15'W & 1 'S of NE Pool Corner
ELEVATION: TOPOFHOLE 2.5' Pool Depth
GROUNDWATER Dry
DATE: HOLE STARTED 2/24/83
_ HOLE COMPLETED 2/25/83
off° 0
=Z Z CLASSIFICATION AND DESCRIPTION t�, o ? .jam Q,L_ ol° oho �° Ole
h cu 4m tip �!-`
(i J Q �' Q
0.0
44
GUNITE; sound, uncracked wire mesh
G a
reinforcement.
4.0
A
FILL; GRAVEL, Sandy; dense, moist,
ff;=;
clean, well graded, 2" maximum
o
size.
8.5
IN
CONCRETE SLAB; sound, 3/4" aggregate,
wire mesh reinforcement, uncracked.
15.0
FILL; GRAVEL, Sandy; dense, moist,
clean, 2" maximum size.
19 0
0'
X.
SAND, Silty; Medium dense, moist,
fine grained, uniform size.
1.3
L4O.
Sack
--
6
BOTTOM OF HOLE NTL 150
CONSULTING GEOTECHNICAL ENGINEERS
LOG OF EXPLORATION HOLE
Ivir
LaboFatodes
PROJECT: Kalispell Swimming Pool
JOB NO.: 83-116
DRILLTYPE: SOIL Core Machine/Hand Auger
ROCK
DRILLED BY: K. Munsk!
LOGGED BY: K. Munski
REMARKS:
HOLE NO. DH-3
SHEET OF
LOCATION 361E & 33'S of NE Pool Corner
ELEVATION: TOP OF HOLE
GROUNDWATER Dry
DATE: HOLE STARTED 2/25/83
— HOLE COMPLETED 2/25/83
0
LU 0\0 0
lu
0 >- 0\
<_- CLASSIFICATION AND DESCRIPTION Q7 'qcj'k- ap
I-F 0Ile N a
LU 4j/
0 -1
/ a 0-1�� 0
C-) j a: 0 Cj
0.0
GUNITE; sound, one crack from 1/8"
wide at the top to hairline width
at the bottom.
2.75
FILL; GRAVEL, Sandy, dense, moist,
clean, well graded, 2" maximum size
5-50.-
CONCRETE SLAB; sound, one crack 1/8"
wide through entire depth.
13.0
FILL; GRAVEL, Sandy; dense, moist
15.0
2" maximum size.
SAND, Silty; medium dense, moist,
fine grained, uniform size.
40.0
BOTTOM OF HOLE NTL 150
CONSULTING GEOTECHNICAL ENGINEERS
1. OF EXPLORATION HOLE
ham
t.a&�or�atories
PROJECT: Kalispell Swimming Pool
caeauwc rxcaasas JOB NO.: 8 3- 1 1 6
DRILLTYPE: SOIL Core Machine/Hand Auqer
ROCK
DRILLED BY: K. Munsk i.
LOGGED BY: K. Munski
REMARKS:
HOLE NO. DH-4
SHEET OF 1
LOCATION 16'W & 37'S of NE Pool Corner
ELEVATION: TOP OF HOLE '-
GROUNDWATER wry
DATE: HOLE STARTED 2/24/83
� HOLE COMPLETED 2/25183
H_
o\a Q °\°
`= o CLASSIFICATION AND DESCRIPTION ? j Qti o\° \o J �o ca °lu
Qro p p �> 0.g ° c v hr v
O J
t7 tq vj ® g U 2 o a J Q' 0y U
O.O
GUNITE; sound, one crack from 1/8"
wide at the top to hairline width at
the bottom.
5.50t�
�%j
CONCRETE SLAB; sound, 3/4" aggregate,
4
uncracked.
12.75
d:
FILL; GRAVEL, Sandy; dense, moist,
clean, well graded, 2" maximum
15.0
size.
SAND, Silty; medium dense, moist,
Sac
15
fine grained, uniform size.
Sac
15
O.0
Sac
19
BOTTOM OF HOLE NTL 150
CONSULTING GEOTECHNICAL ENGINEERS
LOG OF EXPLORATION HOLE
A barn
PROJECT: Kalispell Swimming Pool
JOB NO.: 83-11 b
DRILLTYPE: SOIL Hand Auger
ROCK
DRILLED BY: K. Munski
LOGGEDBY: K. Munski
REMARKS:
HOLE NO. DH-5
SHEET 1 OF I
LOCATION 40'W & 501N of the NE Pool
Corner
ELEVATION: TOP OF HOLE --
GROUNDWATER Dry
DATE: HOLE STARTED 2/25/83
_ HOLE COMPLETED 2/25/83
i oho O oho 0
v CLASSIFICATION AND OESCRIPT1oN a �? v� \° °ro
° `� �o o�
a \
_ ti
� � Q � 2
O Gi to vim c U 20 a ,! 2 C9 U
0.0
TOPSOIL; organic matter, with clay
fines and roots.
7.0
SAND, Silty; dense, moist, very fine
grained, with some roots and
organic matter.
Sack
18
20.0
BOTTOM OF HOLE
NTL 150