I03. Reso 5788 - ROI - Public Works Design & Construction StandardsCity of Kalispell
Post Office Box 1997 - Kalispell, MT 59903
Telephone: (406) 758-7701
Fax: (406) 758-7758
To: Doug Russell, City Manager
From: Susie Turner, Public Works Director
Re: Resolution No. 5788-A Resolution of Intent and Call for Public Hearing
on Amendment of the Kalispell Design and Construction Standards
Meeting Date: November 7, 2016
BACKGROUND: With the adoption of the April 6, 2015 Standards for Design and
Construction, Special Provisions were included to assist engineers as they developed project
manuals for projects including public infrastructure. By incorporating these Special Provisions,
the City and design engineer could be assured that the private project constructing a new city
street, water mains, and/or sewer mains would be providing and constructing infrastructure in
accordance to City Standards.
There is an oversight in the Special Provision section for sanitary sewer that requires an
amendment of the 2015 City's Standards. Inadvertently, sections referencing sewer testing
requirements and measurement and payment from the Montana Public Works Standard
Specifications (MPWSS) for new main installations were deleted.
In order to correct the unintentional deletion of required sewer main testing, an amendment to the
2015 City's Standards removing the following two lines of text from Special Provision 02730 —
Sanitary Sewer Collection System section is required.
Delete Subsection 3.4.C, D, & E of the Standard in their entirety.
Delete Part 4 in its entirety.
As part of the consideration of the standards amendment, notification and public hearing
processes are applicable and will begin with the passage of the proposed resolution that
establishes a date for the public hearing.
ALTERNATIVES: Council can elect to not pass the resolution of intent, or propose
modifications as Council may desire.
RECOMMENDATION: It is recommended that Council adopt the resolution calling for a
public hearing on December 5, 2016, for the proposed amendment of the 2015 City of Kalispell
Standards for Design and Construction.
ATTACHMENTS:
1) 2015 City of Kalispell Standards for Design and Construction document can be found on the
City's website using the following link:
Http://www.kalispell.com/public works/documents/StandardsforDesignandConstruction-April2015-
Final.pdf
2) Montana Public Works Standard Specifications (MPWSS) Section 02730 -Subsection 3.4.C,
D, & E and Part 4
Montana Public Works Standard Specifications (MPWSS)
Section 02730-Sanitary Sewer Collection System
Subsection 3AC, D, & E, and Part 4
e. Construct manholes meeting ASTM C478_ and the rejection
criteria stated therein.
f Keep manhole construction within one manhole distant behind
sewer pipeline construction.
Install adjusting rings on each manhole to bring the manhole tap eleiration
to snatch the existing or specified ground ele,�-aticm - Use manhole rings
with a 2-inch fll iflirrulrei (5 cm) and 12-inch (30 cm) maximum height_
Furnish adjusting rings reinforced with the same percentage of steel as the
riser and top.
3.3 SANITARY SEWER SERVICE LINES
A_ Eonstnrct senrice lines meeting Standard Drwving 02730-2_ Install the sen�ke
line to the property line_ Plug the end of the senrice line with a stopper and gasket,
using a ga sITt of the same type used for pipe jointing. Do not grout the plugs-
B. h1ark the sanitary sewer and storm drain service Line ends at the property line
using a steel fence post 5 feet (1.5 m) long, buried at least 2 feet (0.6 m; Place a
2" X 2" (5cm X 5 cm) wood marker extending from the pipe invert to ground line.
Wire the 2" X 2" (5cm X 5 cm) marker to the steel fence post. Where applicable,
mark the concrete curb to identify the service locations. Paint sanitary sewer
service markers green and storm drain senrice markers gray. .
3.4 TESTS
A_ Malce all tests after back ill is completed, but before any surface restoration or
street surfacing_ Be responsible for finding and repairing all breaks and leaks
revealed by the tests. Additionally, perform all tests in the presence of the
Engineer. resident inspector, or the (hiner:s other designated representative.
R. Light Test (Visual)
After the trench has been backfilled and compacted as specified in Section
02221, perform a light test between manholes to check alignment and
grade for pipe displacement. Excluding cun-ed alignments shone on the
plans, the completed pipeline is to permit a true circle of light to be risible
Rom one manhole to the next. Ef alignment or grade is not that specified
and displacement of pipe is found_ remedy all defects.
C. Leakage Test
New seiner line u°ill not be finally accepted until leakage tests are made
assuring the Engineer that pipe laying and jointing are satisfactory.
Sectlan 02730 — e Edi6 m
Sr NrrARY SEWER COI I.=0-9 SYSTEM
Pace 4 of 15
D_ Water Test
Where groundwater is at least 2 feet (G.6 m) above the seiner line, make
tests by sealing -off the section of lines betvti eeu manholes and measuring
the actual flow by collecting or pumping the discharge into b aireE or other
approved methods. Continue tests at a minimum of 4 hours for each
section tested Allow tinge to soak lines and manholes in advance of
performing tests.
When groundwater is not 2 feet (0.6 m) above the pipe, test as follows: On
flat slopes where the depth over the centerline of the pipe in the lower
manhole of the section being tested will be not inore than 10 feet (3 m),
fill the upper manhole to 2 feet (D.6 m) Deer the top of the pipe or 2 feet
(G.d m) above the groundwater ele--ation (whichever is higher), and block
the lower manhole- When the above conditions cannot be met, the
Engineer niay order testing the line tin sections between manholes-
Measiwe the leakage by checking the water level drop in the manhole mw
a 4 hour period_
The allowable infiltration or exfiltration, including manholes, cannot
exceed 20D gallons per day per mile of seiner per inch of pipe diameter
(185 liters per day- per kilometer of sewer per centimeter of pipe diameter) -
This does not exclude obvious and concentrated leaks and physical
defects_ such as open joints, pinched gaskets, cracked barrels or bells, etc.
Make repairs on concentrated leaks, and as required to reduce infiltration
or exfiltrati,on leakage below the specified rate.
E. }fir Test (alternative)
As an alternate method to water testing the Contractor may utilize low
pre ssure air to test the sewer ma ena. Use the test procedure described
below-. Plug both Buds of the pipe ender test with airtight plugs and brace
to prevent slippage and blowout. Furnish one plug with an inlet tap or
other provision for connecting an air hose.
Equip the air supply hose, connected between the air compressor and the
plug, with a throttling valve, an air bleed valve and a high pressure shutoff
valve for control. Equip the low pre sure side of the throttling valve with a
tee for a monitoring pressure gauge. protected by a gauge cock. This cock
is kept closed except when the pressure loss is being timed.
If the pipeline is submerged iuider gr-ounduater, the back pressure, caused
by the water head} is measured and added to the standard test pressures to
compensate for the groundwater effect on the am' test.
Sec im t0273t0 — & Editiam
SANTfARY SEO -= COLJ-=O-N SYSTEM
Page 10Gf15
4. Apply air slowly to the pipeline until the pressure reaches 4-0 psig(27-6 j)-
Throttle the air supply to maintain the internal pressure hen{peen 4-0 and
3-5 prig (27.6 -24.1 j) for at least 2 minutes. During this time check the
plugs with soap solution to detect any plug leal€age.
When the pressure reache s exactly 3-5 psig (24.11), disconnect the air
supply, start a stop watch and record the time for the pressure to drop to
2-5 psig (17-2 j). The minimum time allowed for the pressure drop is
computed on an air loss rate of 3.5 eft (5.9m 3 fmin) or an air loss rate of
0.0030 cubic feet per minute (dim.) per square foot (D.055 m 3 rmin per
square meter) of inner pipe surface area under test, whichever rate yields
the least time for the pressure drop- Should the time of the pressure drop
between 3.5 and 2.5 psig (24.1 - 17-2 j) be less than the allowable
specified time, make the necessary leakage repairs and repeat the air test.
6. Standard Drawing 02730-1 provides a nomograph which may be used to
compute testing times for air testing- The nomograph computes results
based upon English (U.S- Customary) units -
Far single pipe size test sections, the length limits for minimum test times
obtained from Standard Drawing No.02730-1 entitled -Nomograph far Air
Testing Gravity Sever Mains" are contained in the followm table -
TABLE 3.1
LENGTH LLIi1T FOR Mr%-B[Lr%l TEST TIMES
Pipe Diameter, Inches
(cm)
Test Section Length_ Foot (m)
N iflefl,um
Maximum
4 10
642196
1174 43
6 15
429 131
751 229
3 20
322 98
564 172
1 25
257 78
450 13,
12 30
215 66
376 115 `
15 3 S
172 52
3 DO 91
18 46
43 44
1250
21 53
123 37
215 66
24 61
107 33
18957
For test sections that are shorter than the minirrnin, lengths- new test times
must be calculated- This is done by multiplying the test time from the
nomograph by the actual length of the test section (in feet) and then
divrdiug the resultant product by the nuninvum test section length from the
preceding table.
motion 02730 — 6' Edition
SANITARY SEVoTR COL.I.ECTIO-NT MTEM
Page 11 of 15
TABLE 3.
DE17IEqCTION TESTL�G LIMITATIONS
N iniinum Period Between
Trench Backfilling & Testing
Minimum Mandrel Diameter as a
Percent of Inside Pipe Diameter
7 Days
95.0
30 Days
92.5
Mandrels must have at least nine arms_ Perform the mandrel test without
mechamical pulling devices.
I. Material and Equipment for Testing
Furnish all labor, equipment and materials (including aster) necessary for
performing the sewer line tests at Contractor expense.
3.5 WATER AND SEATR MAIN SEPARATION
A_ Horizontal and vertical separation between water and seiner ranins, is dictated by
Montana Department ofEazircmmental Quality.
PART 4: 3dEASLTRE-AffNT A--N-D PAVIE .NT
4.1 GENERAL
A_ The fallowing items are the pay items for the work covered under this section.
Payment for these items is full compensation for providing all materials, tools,
labor and equipment necessary to complete the item and all incidental work
related thereto_ whether specifically- mentione d herein or not_
Ill WjaIgI3RI1L4V
A_ Mea unement of sewer mains are made in lineal feet (meters) of the various sizes
and classes along the centerline of pipe from center to center of manholes.
Payment for sewer main is made at the contract unit price bid per lineal foot
(meters) of the various sizes and classes called for, which includes furnishing and
installing pipe, trench excavation and backfilL. furnishing and placing Type 1 pipe
bedding, specials reglured for connection to manholes _ testing and all other work
necessary or incidental for completion of the item_
Section 02730 - e Edition
SANITARY SEV= COLLEiC'ITO-N SYSTEM
Page 13 of 15
4-3 MANHOLES
A- Measurement of each manhole for payment is made in two parts: (1) for a basic
manhole, and (2) for any additional vertical height over and above the basic
depth. A basic manhole is defined as being 5 feet deep (1.5 m) from the lowest
invert to the top of the manhole frame and corer. Any manhole less than 5 feet
deep (1.5 m) is considered as one basic manhole.
B- Any manhole over 5 feet deep (1-5 m) is considered as one basic manhole plus a
vertical height measm-ement to the nearest 0.1 foot (0-03 m). Basic manholes are
measured by numerical count and the additional vertical heights feet (meters) of
manhole. The measurement of the additional vertical height of manhole is the
vertical height of the manhole from the lowest invert to the top of the cast iron
frame minus 5 feet (1.5 m).
C. Pa-mient for furnishing and installing a basic manhole, complete in -place, is made
at the contract unit price bid per each for --Basis Manholes", 5.0 feet deep- Such
payment includes base. inanhole sections, steps, cast iron ring and ccR-er, joint
sealer and all other incidentals required to complete the item.
D. Paymmr for furnishing and installing manholes deeper than the basic manhole
depth is made at the contract unit price bid per-outical foot (meter) far
"Additional Manhole Depth`. and includes manhole sections, steps. joint sealer
and all other incidentals to complete the item -
Payment is made under
a. Basic Manhole, Y-0" (1-5 meter) Depth - Per Each.
b. Additional Manhole Depth - Per Vertical Foot (meter).
4-A SANITARY SEWER SERVICE LINES
A- Measurement is made along the pipe from the tee or wye of the main sewer
through tees, uses and other fittings to the street margin or right -of --way margin.
Measurement is to the nearest foot (0.3m)_
Payment for services is based on the following bid items as specified in
the contract:
a. Trench excavation and backh"ill is included in the linear foot price
bid for sewer service pipe.
b. (size) (class) Seiner Service Pipe in Place," per linear foot -
Section 02730 — 6" Edition
SANITARY SEWER C0=110-N SYSTEM
Page 14 of 15
For test sections exceeding the maxi+nurn lengths, either shorten the test
section to an allowable length or use the %pater test.
F. Number of Tests
Perform the number of leakage tests directed by the Engineer to assure
that materials and workmanship are acceptable. Repair defective joints
using only approved methods. Replace Pipe hawing cracked or broken
barrels. Do not exceed SOD fieet (24U m) of surer line per test unless
otherwise approved.
G. T-V_ Inspection
All seiner mains shall be inspected using a televusion camera before final
acceptance. A sewer line is deficient and unacceptable if (1) the alig=ent
is ontside the specified limits, (2) water ponds in any section are equal to
or greater than 2 times the grade tolerance specified herein under Section
02730.3.E_1, or (3) the pipe has risible defects such as open joints,
pinched gaskets, cracked barrels or bell_ or similar defects_
Pay all costs incurred in any televi.-.ion inspection perfoirsied solely for
Ccntr'actof benefit_
Record all television inspections in a format acceptable to the Ck%- uer_ Pull
the camera through the sewer at 30 feet per minute (9 meters per minute
maximum). If the camera is pulled by attaching to the hose of a hydraulic
suer cleaner_ assure the hose is not active during the pulling process.
H. Deflection Testing
The Engineer may re quire deflection testing of all of any portion of a
flexible pipe installation to assure the constructi<n quality. Flexible pipe is
pipe that will deflect at least 2 percent without any sign of structural
distress.
Conduct deflection tests, when performed on PVC pipe, meeting ASTM
D3034- and satisfy either of the follcuting deflection ]imitations:
Sectiaa 02730 - e EEL=
SANfI'r1RY SEWIa CO=C nl)-N SYSTZM
Page 12 Gf 1i
E rt0001%10
A_ The ccmtract bid prices are full payment for all labor, materials, tools and other
incidentals as maybe required to complete the items of wofk in the C'antract.
E.-'.'N-D OF SECTION
Saction 02730 — 66 Ed h m
SrLNE RY SEWER COLT. 0-29 SYSTEM
Page 15 a£ 13
RESOLUTION NO.5788
A RESOLUTION OF INTENT TO AMEND THE CITY OF KALISPELL'S
STANDARDS FOR DESIGN AND CONSTRUCTION, CALLING FOR A PUBLIC
HEARING AND DIRECTING THE CITY CLERK TO PROVIDE NOTICE
THEREFORE.
WHEREAS, the City of Kalispell currently has written Standards for Design and Construction
in place for the purpose of maintaining compliance with state and federal laws as
well as to maintain best practices and consistency for public construction projects;
and
WHEREAS, the City of Kalispell Standards for Design and Construction must be amended
from time to time to reflect changes in state law as well as to reflect changes in
policy as directed by the Kalispell City Council.
NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF
KALISPELL AS FOLLOWS:
SECTION 1. A public hearing is hereby called and shall be held on Monday, December
5, 2016 at 7:00 p.m. in the council chambers at City Hall, 201 First
Avenue East, on the proposed amendments to the City of Kalispell
Standards for Design and Construction.
SECTION 2. Notice of the public hearing shall be published in the Daily Inter Lake on
November 13, 2016 and November 27, 2016.
SECTION 3. The City Clerk shall immediately make the proposed standards available
on the City's internet home page as well as keep a printed copy in the City
Offices to be made available to the public for inspection and reproduction.
PASSED AND APPROVED BY THE CITY COUNCIL AND SIGNED BY THE MAYOR OF
THE CITY OF KALISPELL, THIS 7TH DAY OF NOVEMBER, 2016.
Mark Johnson
Mayor
ATTEST:
Judi Funk
Deputy City Clerk
NOTICE OF PUBLIC HEARING
NOTICE IS HEREBY GIVEN, that on the 5th day of December, 2016 at 7:00 o'clock P.M.,
in the Council Chambers, City Hall, 201 1st Avenue East, Kalispell, Montana, the City Council of
the City of Kalispell shall hold a Public Hearing on proposed amendments to the City of Kalispell
Standards for Design and Construction.
The amendments are being presented to the Kalispell City Council for their consideration.
The City Council, on November 7, 2016, passed a Resolution of Intention to Amend the City of
Kalispell Standards for Design and Construction.
Any person wishing to address the proposed amendments may appear at this hearing and
make oral statements or present same in writing. Written comments may also be submitted for
council consideration by delivering the same to the City Clerk at 201 First Avenue East, Kalispell,
MT 59901, or by email to cityclerk@kalispell.com prior to the hearing.
The proposed amendments can be viewed on the city's website at
www.kalispell.conVmayor/agenda.cfm or in the office of the City Clerk at 201 First Avenue East,
Kalispell. For further information contact: Public Works, P.O. Box 1997, Kalispell, MT, telephone:
758-7720.
Judi Funk
Deputy City Clerk
Publish: November 13, 2016
November 27, 2016
Montana Public Works Standard Specifications (MPWSS)
Section 02730-Sanitary Sewer Collection System
Subsection 3.4.C, D, & E, and Part 4
e, Construct manholes meeting ASTNI C478, and the rejection
criteria stated therein.
f Keep manhole construction within one manhole distant behind
sewer pipeline construction.
3- Install adjusting rings on each manhole to bring the manhole top elevation
to match the existing or specified ground elevations- Use manhole rings
with a 2-inch mininuim (5 cm) and 12-inch (30 cm) maximum height -
Furnish adjusting, wings reinforced with the same percentage of steel as the
riser and top.
3.3 SANITkRY SENATER SERVICE LINES
A- Construct service lines meeting Standard Drawing 02730-2- Install the service
hue to the property line Ic - Plug the end of the sere e line with a stopper and gasket,
using, a gasket of the same type used for pipe jointing. Do not grout the plugs-
& Mark the sanitary sewer and storm drain service line ends at the property line
using a steel fence post 5 feet (1.5 in) long, buried at least 2 feet (0.6 m)- Place a
2" X 2" (5cm X 5 cm)wand marker extending fi-om thepipeinvert to ground line.
ATire the 2" X 2" (5cm X 5 cm) marker- to the steel fence, post. lbhere applicable,
mark the concrete curb to identify the service locations. Paint sanitary wnxev-
service markers green and storm drain service markers gray.
3-4 TESTS
A. Make all tests after backfill is completed, but before any surface restoration or
street surfacing. Be responsible for finding and repairing all breaks and le airs
revealed by the tests. Additionally, perform all tests in the presence of the
Engineer, resident inspector, or the Owner's other designated representative.
B. Light Test ('�,'Isual)
1. Afler the trench has been backfilled and compacted as specified in section
02221, petf-orm a light test between manholes to check alignment and
grade for pipe displacement. Excluding cur-vTd alignments shown on the
plans, the completed pipeline is to permit a true circle of light to be visible
from one manhole to the next. If alignment or grade is, not that specified
and displacement of pipe is found, remedy all defects.
C. Leakage Test
New sewer lLne will not be finally accepted until leakage tests are made
assuring the Engineer that pipe laying and jointing are satisfactory.
Secbon 021730 - e Edition
SANITARY SE TER COLIWMV SYST'al
Page 9 of 15
1e Water rest
Where groundwater is at least 2 feet (4.ti m) above the sewer line, make
tests by sealing off the section of lines between manholes and measuring
the actual flow by collecting or pungping the di.scltarge into barrels or other
approved methods_ Continue tests at a minimum of 4 hours for each
section tested_ Allow time to soak lines and manholes in advance of
performing tests.
. When grouindvx-ater is not 2 feet (0.6 m) above the pipe, test as follows: On
flat slopes where the depth over the centerline, of the pipe in the lower
manhole of the section being tested will be not more than 10 feet ni ,,
fill the upper manhole to 2 feet (0.6 n) over the top of the pipe or 2 feet
(G.6 m) above the groundwater elevation (whichever is higher), and block
the lowex manhole- When the above conditions cannot be met, the
Engineer may order testing the line in s tions betya. een manholes_
.Measure the leakage by checking the water level drop in the manhole over
a 4 horir period-
3. The allowable infiltration or exfiltration, including manholes, cannot
exceed 200 gallons per day per mite of sewer per inch of pipe diameter
1 S 5 liter per dad- per kilometer of sewer per centimeter of pipe diameter).
This does not exclude obvious and concentrated leaks and physical
defects, such as open joints, pinched gaskets, cracked barrels or bells, etc..
.Make repairs on concentrated leaks, and as required to reduce infiltration
or exfiltlation leakage below the specified rate.
E. An Test(Alternative)
I _ As an alternate method to water testing the Contractor may utilize low
pressime air to test the sewer maims. Use the test procedure described
below: Plug both ends of the pipe under test .with airtight plugs and brace
to prevent slippage and blowout. Furnish one plug with an m. let tap or
other provision for connecting an air hose.
1 Equip the air supply hose, connected between the air compressor and the
plug, with a throttling valve, an ail.' bleed valve and a high pressure shutoff
valve for control. Equip the loci pressure side of the throttling: valve with a
tee for a monitoring pressure gauge, protected by a gauge coclt This cock
is kept closed except when the pressure loss is being timed.
3. if the pipeline is submerged under groundwater. the back pressure, caused
by the water head, is measured andadded to the standard test pressures to
compensate for the groundwater effect on the air test.
Sect -a 102730 - e Edition.
Sr'.MTARY SHWER t=t3T.L .'T ON SYSTEM
Rage 10 of 15
4. Apply air slowly to the pipeline until the pressure reaches 4.0 psig(2 7.6 j).
Throttle the air supply to maintain the internal pressure between 4-0 and
3_5 psig (27.6 -24.1 j) for at least 2 minutes, During this time check the
plugs with soap solution to detect any plug leakage.
Alen the pressure reaches exactly 3-5 psig (24.1 j), disconnect the air
supply, start a stop watch and word the time for the pressure to drop to
2-5 psig (17.21}. The minimum time allowed for the, pressure drop is
computed an an air loss rate of 35 cfm (5.9m 3 ram) of an air loss rate of
0.0030 cubic feet per minute (cfu) pet' square. foot (0.055 to 3.-min per
square meter) of inner pipe stuface area under test, whichever rate yields
the least time for the pressure drop. Should the time of the pressure drop
between 3.5 and 2.5 psig (24.1 - 17,2 j) be less than the allowable
specified time. male the necessary leakage repairs and repeat the air tesa.
6, Standard Drawing 02730-1 provides a nomograph which nmy be used to
compute testing times for air testing. The, nomograph c"Oniplates results
based upon English U,. S. Customary) units.
7. For single pipe size test sections, the length limits for minimum test titites
obtained from Standard Drawing No.02730-1 entitled -Nunograph for Air
Testing Gravity Sewer Mains"" are, contained in the following table -
TABLE 3.1
LENGTH LIMIT FORMP�MUNI TEST TMES
Pipe Diameter, Inches
(cm)
Test Section Length, Foot (in)
Ifinimum.
Maximum
4(10)
642(196)
11-24(343)
429(131)
751(229)
_6(15)
322(98)
564(172)
_8(20)
257(78)
450 ('1371
_10(25)
12C30)
215(66)
376(115)
172(52)
300(91)
_15(38)
18(46)
43(44)
1250(76)
21(53)
12 3(37)
215 (§6)
24(61)
107(33)
188(57)
8. For test sections that art. shorter than the nun; nitun lengths, new test times
must be calculated. This is done by multiplying the test time front the
nomograph by the actual length of the test section (in feet) and then
dividing the resultant product by the minimum test section length from tLe
preceding table.
Sectwn 027730 - & Fdiftou
SANITARY SEWER COLLEMON.' SYSTEM
Fa ge I I of 15
TABLE 3.1
DEIFLECTIO-N'TESTDG LDMATIONS
Mimmum Period Between
Trench Backfilliag & Testing
I.-finimium Mandrel Diameter as a,
Percent of Inside Pipe Diameter
7 Days
95.0
30 Days
92,5
3. Mandrels- must have at least nine arms. Perform the mandrel test without
mechanical pulling devices.
L Material and Equipment for Testing
Furnish all labor, equipment and materials (including water) necessary for
performing the, server line tests at Contractor expense.
3.5 4VATIR AND SEWER NIAIN SEPARATION
A- Horizontal and vertical separation between water and sewer mains is, dictated by
Montana Department of Environmental Quahty.
PART 4: 'MEASUREMENT AINID P-ALITAIIENT
4,1 GENERAL
A- The following items are the pay items for the work cove -red tinder this section.
Payment for these items is full conversation for providing all materials, tools,
labor and equipment necessary to complete the item and all Incidental work
related thereto, whether specific: ally mentioned herein. or not.
4,2 SEATR MAINS
A, IhIeaswement of seiver mains are made ui lineal feet (meters) of the varioussizes
and classes along the centerline of pipe fi am center to center of manholes.
Pa-y-ment for sewer main is made at the contract unit price bid per lineal fbc4
(meters) of the various sizes and classes called for. Which includes flu-nishing and
installing pipe- trench excavation and backfill- famishing and placing Type I pipe
be ddmg, specials required for connection to manholes. testing, and all other work
necessary or incidental for conipletion of the item-
Sectim 02730 — 66 EAEdon .
S.LNUTARY SEWER COLL=ON7 SYSTFIvi
Page 13 of 15
.3 MANHOLES
A. Measurement of each manhole for pa}went is made in two parts. (1) for a basic
manhole. and (2) for any additional vertical height over and above the basic
depth. A basic manhole is defined as be-ug 5 feet deep (1.5 in) from the lowest
invert to the top of the manhole frame and cover_ Any manhole less than 5 feet
deep 1.5 m) is considered as one basic manhole.
B. Any manhole over 5 feet deep 1_5 m) is considered as one basic manhole plus .a
vertical height measurement to the nearest 0.1 foot (0.03 m)_ Basic manholes are
measured by numerical count and the additional vertical heights feet (meters) of
manhole. The measurement of the additional vertical height of manhole is the
vertical height of the manhole from the lowest invt to the top of the cast iron
frame minus 5 feet (1.5 m).
C. Payment for furnishing and installing a basic manhole, complete in -place. is made
at the contract unit price bid per each for "Basic Manholes`' 5.0 fleet sleep. Such
payment includes base, manhole sections, steps., cast iron ring and cover, joint
sealer and all other incidentals required to complete the item.
D.. Payment for furnishing and installing manholes deeper than the basic manhole
depth is made at the contract unit price bid per vertical foot (meter) for
"Additional Manhole Depth? and includes manhole sections, steps, joint sealer
and all other incidentals to complete the item.
Payment is made Linder:
a. Basic Manhole, Y-O" (1 5 ureter) :Depth - Per Each-
b. additional Manhole Depth - Per Vertical Foot (meter).
A SANMARY SEATR SERVICE LINES
A. Measurement is trade alons the pipe from the tee or wye of the main server
through tees, %,,yes and other fittings to the sheet mang or right-o way margin.
Measurement is to the rearrest foot (0.3m)-
Pay rent for services is based can the following bid items as specified in
the contract:
a. Trench eywavation and bacldnll is included in the linear foot price
bid for sewer service pipe.
b. (size) (class) Sewer Semice Pipe in Place," per linear foot.
Section 02730 - 61 E&ti zn
SANITARY S %k- R COLD` N. SYS'Tl`.hi
Page 14 of 15
9. For test sections, exceeding, the maximum lengths, either shorten the test
section to an allowable length or use the water test.
F. Number of Tests
Perform the number of leakage tests directed by the Engineer to assure
that materials and workmanship are acceptable. Repair defective joints
using only approved methods. Replace pipe having cracked of broken
barrels.. 6o not exceed 800 feet Q'40 m) of sewer line per test unless
otherwise approved.
G. T.V- Inspection
All sewer mains shall be inspected using a television camera before final
acceptance,. A sewer line is deficient and unacceptable if (1) the alignment
is outside the specified limits, (2) inter ponds in any section are equal to
or greater than 2 time-, the grade tolerance specified herein under Section
022 7 3 0.3.,E- 1, or (3) the pipe has Visible defects; such as open joints,
pinched gaskets, cricked barrels of belle of similar defects_
Payall costs incmed in any television "inspection perfornied solely for
Contractor benefit -
Record all tele-,-Islon inspections in a format acceptable to the Owner- Pull
the camera through the sewer at 3 0 feet per minute (9 meters per minute
maximum). If the camera is pulled by attaching to the hose of a hydraulic
sewer cleaner, assure the hose Is not active, during the pulling process.
H. Deflection Testing
The. Engineer may require deflection testing of all or any portion of a
flexible pipe installation to assure the construction quality. Flexible pipe is
pipe that will deflect at least 2 percent without any sign of stnictural
distress.
2. Conduct deflection tests, when performed on PVC pipe, meeting, ASTM
D3034 and satisfy either of the following deflection limitations:
Seenon 02730 — 6' Edition
SANITARY SEWER COLLECTION -SYSTEM
Page 12 of 15
45 GENERAL
A. The contract bid prices are frill payment for all labor, materials, tools and other
incidentals as maybe required to complete the items of work in the Contract.
END OF SECTION
Section 0'21'730 - e E&tioa
SAMARY MWER COLI=ON, SYSTEM
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