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Resolution 3470 - Design and Construction StandardsRESOLUTION NO. 31-rlO If"o A RESOLUTION TO AMEND RESOLUTION NO. 3396, BY AMENDING THE STANDARDS AND GENERAL PROVISIONS FOR DESIGN AND CONSTRUCTION FOR THE CITY OF KALISPELL, MONTANA. WHEREAS, the City of Kalispell adopted on the 15th day of March, 1982, pursuant to Ordinance No. 1003, the "Standards and General Provisions for Design and Construction", City of Kalispell, Montana, and WHEREAS, it has become necessary to amend and correct the "Stan- dards and General Provisions for Design and Construction" for the eff�.,cierit operation of the City of Kalispell Public Works. NOW THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF THAT THE STANDARDS AND GENERAL PROVISIONS FOR DESIGN AND CONST"IlUCTION OF THE CITY OF KALISPELL, MONTANA, ARE AMEZIDED AS 'ZOLLOWS: SECTION I: As set forth in Exhibit "A" attached hereto and thereby made a part thereof. SECTION II. This Resolution shall become effective immediately upon passage by the City Council and approval by the Mayor. PASSED AND APPROVED BY THE CITY COUNCIL OF THE CITY OF KALISPELL ,�ND APPROVED BY THE MAYOR THIS DAY OF jULY, 1983. 01 w'' N �I'E S T Giermann "('ting ity Clerk -Treasurer Z.1 "'a-, City Clerk of the City of Kalispell certify that the fo-regoix)g is a trufa o_�' the Resolution passed by J�ej�ity Co-uncil of the City of Kalispell, Montana at a weeting held City -6rk of the City of Kalispell .1 eu*. Article GP-07 Bonding Change the Specifications on Bonding to read a's follows: Bonding. Permittees, shall provide assurance the work they do witbin the right- of-way or public;easement area will be in accordance with the Construction Standards herein and the materials and workmanship will be guaranteed for a period of one year from the date of written acceptance by the City. The Bond amount shall be as follows: a) lCity financed 100% of bid price b) Not City financed 20% of Engineer's estimate, with minimum of $500 and maximum of $5,000. Bonds may,be in the lorm of a Surety Bond, a Certificate of Depoait (CD) or a personal check. Contractors furnishing the City with an annual Bond of at least $5,000 for work on various projects will not be required to furnish added bonding, provided said Bond meets the requirements of this article. If a Surety Bond is furnished, the Bond shall specifically state its purpose, which,is to (1) assure completion of the work, (2) ass,,Ire conformance to these Standards and (3) guarantee the work for a period of one year-aft6r the date of. ,--cep:tance of the work by the City. T.f.a CD is used, it shall be made out as "City of Kalispellor XYZ-ABC Company". The CD will.be held by the City for one (1) year after the date of acceptance of the project by the City. During said one year, the Permittee shall correct -any �efects in material, equipment or workmanship upon notification by the City that' .iich a defect exists. If the Permittee does not correct the defect by the time !;'_-ated in the notification, the City will have the correction made and bill the P,i!-rmittee the actual cost of correction, plus 15%1 which total amount must be paid _fire the Bond is released. The CD will be returned to the second named part-y.on tl r the one year guaran e period is over, provided there is no unpaid CD afte t6 .61-11-Lixg due the City relateZ to the project(s) for which the Bond is furnished. check, if used, shall be made out to the City of Kalispell and will be by the City upon receipt. After the one year guarantee period, the amount ,e check will be refunded less any City costs, as determined in the foregoing "r Olefect correction. J-5 ticle GP-09 Construction Inspection: In the ninth line of this artic.le, change ".J:- -word "develonment" to: Developer e 1­5 Article GP-12 'as follows: "."cecort-,truction Conference to beginning any construction work on the extension of water systems', sewer 7,V!1,te_ma and/or public roadways, there sh all be a pieconstruction conference among parties involved. Included, but not limited to, shall be representative of �.-.Ihc- Developer, inspecting professional engineer, contractor and the City. it is the responsibility of the Developer to arrange a time and place for the conference, ---ihich is agreeable to all parties. �'trticle DC-01 General, Desi%n._ Revise the word "designated" in the third line to: designed -01 reneral, Design: Revise the fourth paragraph to -read as follows: Article DC Upon project completion and before final approval will be issued by the City, the Developer shall submit record drawings, in accordance With Article DC-09, and a certification from the Professional Engineer, in accordance with Article GP-09. TI-2 Article DC-01 General, Design Calculations: on the first line between "etc." and flare". innort thn wnyan! contained herein TI-2 `1­3 Article DC-02 Water Sy�stems- Rev'ise this entire article in accordance with the nd following: iWa_ter___Syi_tems__.-_ Fire Flow. The amount of fire flow required for structures shall be based on the latest "Guide for Determination of Required Fire Flow", as prepared by the Insurance Service office, Municipal Survey Service, 160 Water Street, New York, N.Y. 10038. Non-structural utilization of an area shall have the' fire flow requirements deter- mined by the Fire Chief. For single story structures, the minimum available fire flow shall be 500 GPM, with a minimum of 20 PSI residual pressure at the hyrdrant during.the flow. For each additional story, add 5 PSI to the residual pressure at the hydrant. 1 -7 - _,_ �i Hydrant spacing and Location - ;.- Unless otherwise approved by the Fire Chief, the h*113r drants shall be spaced no farther apart than one standard city block, which is 366"' feet. The Fire Chief reserves 'the right to require additional fire hydrants if the demand of the structure(s) require more hydrant connections than the maxinum spacing provides. Hydrants shall. be located no faxtber than 25 feet from, a roadway ussable by fire trucks, and at a locat 'Ion which does not require a fire truck to back up on either arrival or departure. Minimum Pipe Sizes. Unless otherwise approved by the City, the minimum line size of all mains shall be 8 inches, except fire hydrant runs less than 50 feet -in length may he G inches. Separation of Water and Sewer Lines. Water and sewer mains must be -separated in accordance with the attached Standard Drawing. Water and sewer ser . ice lines'must be horizontally separated by 10 feet from the main to the curb stop. IF wat-er and sewer services are closer than 10 feet horizontally anywhere between the water meter and the water 'Main, the water service line shall be equipped with a backflow pre- ventor, installed in a manhole type enclosure. Design Data Submission. For residential. developments having' more than 100' dwelling units or other developments requiring i.nore than 50,000 gallons per day, the 'Pro- fessional Engineer shall submit a written report to -the City which addresst-s the fire and domestic flows needed and currently available. The report'shall include data on test results at the nearest hydrant which shows pressure at 7-ero flow from t.�-ie Ixydrant and pressure at a 500 gallon per minute flow from tha hydrdnt. The CilLY will provide the test data, at no charge when requested- The City may xequire a written -report for developments of less than the above flow when the ability to pyovide the fire flow required is in doubt. I e - "I . Article DC-OB as follows: � I CL _, I DC-08 Driveways. I ­__ ­' -,- — __ ­ __ — — — — — — � Sc�parate driveways with access or egress from collector streets shall be sppa- r,-�tca by at least 60 feet between their nearest edges, unless otherwise approved by the City Council. On any street the nearest edge of any driveway shall not be cleser than 30 feet to the nearest edg ' e of the pavement of the street inter- 'er ii,4.q thestreet serving the driveway. if curbing exists, the roadside face th,­! curbing shall be the measuring point. G"a j,�4w development after March 31, 1983 no access from any off street parking 4- r-, - _,�y street shall require backi ' ng of the vehicle onto the street, unless other- �.,J-so approved by the City Council or unless the area is zoned for single family -:esldences. After the above date, only driveways serving single family resi- ee-nces In a zone permitting the same may have driveways constructed which re� �jirszvt backing of a Vehicle onto the street. Article DC-09 as follows: �_awin!j Submittal. -L."z addition to-submitti ng drawings to the City, it is also.the responsibility of Developer'to obtain the approval of water and sewer system extensions from the Montana Department of Health and Environmental Sciences. No'construction per- mit for the extension of.any water and sewer'system will be issued by -the City until approval is obtained from DHES. Changes necessary to be made during'construction mus ' t be approved by the City, and by DHES for water and sewer extensions, before making the change. Two sets of reprodu " ced record drawi ' ngs shall be submitted by the.Developer'which incorporates any changes made from the original approved drawings, together with - the location of the. terminal -end of water and sewer laterals. . The'neasured. loca- tion of the terminal end of the laterals shall be referenced'from property cor- ners or other permanently discernable features satisfactory to the City. If, on rare occasions, the location of the terminal end has been covered before record- ing, the Developer is requested to notify the City for assistance in either lo- cating the end or recommendations for notations on the record drawings. Y11-2 Article W- 0 e s I - I. material , Gate Valves Change "A 2380-24 or A 2380-34" to: A 2380 and delete the following -from the last sentence: and show the direction in which to turn the valve to open. 1- 2 Article W-01. Materials, Fire Hydrants: On the seventh line, change the minimum standpipe I.D. to: cie 1:11-3 Article W-01. 5'z inches Materials,.Curb Stops: Change the numbers for'PE tubing to: Muellar H-1505-2 Ford B66-333 �Jc- 111-3 Article W-01 Materials, Curb Boxes: Change to read as follows: Curb Boxes shall be equal and similar to Yluellar H�10308 design, cast iroin, arch type 1� min. upper section diameter, min. length of 61�1, with extension rod and with a lid having a Pentagon nut in.the plug. E , Poge 111-3 Article W-01. Materials, Service )?ipe� CIIzkn9e to read as, followp: Service Pipe shall be Type K searde'ss copper tubing conforming to A.S.T.M. Spec- ification B88-62 or federal specification WW-T-799 or polyethylene (PE) tubing conforming to Table 4 of AWWA Specification.0 901 Class 160 with maximum DR of 9.0. Service pipe and appurtenances shall be installed in accordance with the attached Standard Drawing. Joints in the 'Service pipe between the corporation stc�p and the curb box shall be avoided't except for runs longer than pipe l4angths available from suppliers.. When joints,,are,,required due to the foregoing, only a joint approved by the City shall be used, !-E-5 Article W-04. Laying Water..Mains,-Hains:. Add the underlined to the last-sen_� .tence of.the first full paragraph on this page so the iihole isentence-reads as follows: V& �'­., ., J. :, -t --; 7 F'ak�a I'YI-8 Y "'I -8 4­07 Deflections of PVC pipe shall be .4aade - -in- -the --barrel, -not--at-theJoint, excop xn)nn -a City'zipproVed s ecial'mahuf actured'' joint is 'ased whi6h wag -%ade speci- ��or -joint deflection. ,7�rticle W-05. Trench B<�ckfill, General: At the end of the third'line from -the bottom of the page,.after streetsf-add- alleys &nd on the last line of page,'cross out: some alleys Article W-06. Testing, Cleaning ari'Disinfecting Water Mains,-'Cha.hge the first' paragraph or Hydrostatic Tests to read as follows: Tlydrostatic Tests.- All,newly laid pipe.shall be subjected to hydrostaric pres-, sure and leakage tests after backfilling. The City will furnish the gauges, pressurizing equipment.and peform the actual tests at no ch&.rge to the Con- tractor. The Contractor, at his expense, shall furnish all labor, equipment and materi�a s necessary to receive the equipment used by the City. The hydro- static pressure to be applied shall be 50 psi above normal static. -operating pressure but not less than 150 psi for the pressure test, The.duration of the pressure test shall be at least one hour, while the leakage test -shall be'for two hours minimum Article W-06. Testing, Cleaning and Disinfecting Wa�er_Mains, I!y�ro.static Testsi Cha nge the number 3,700 of the formula to: 7400 Article W-06. Testing, Cleaniinq and Disinfecting'Water Mains,'Di-sin-fecting Water Mains: Change the chlorine residual after 24 hours to: Twenty-five (25) parts per million. And add the following sentence thereafter: The City, at their own expense, will do the chlorine residue testing. Add Article W-07 as follows: Meter Pits Meters must be located where they areieasily accessible for purpos�-s of.readilng and repairing. When the meter is not installed within a structure, which would also provide frost protection, the meter'shall be located in an appurtenance satisfying -the minimum requirement shown on the attached Standard Drawings.� There are a number of meter pits man-Qfactured that will satisfy the aforesaid requirements, M � T T I- 9 Trticle S-03 . Materials, r-olyvinyl Chloride Sewer Pipe; chal1yo DSR to: L SDR TIT-13 Article S-05. Tests- Delete the paragraph: (4) 'Mat.erials 'and rquipment for Testing and add the following: Daflection Tests. Pipelines constructed of flexible pipe shall be tested for out--of-roundness'by the deflection test, unless such test is waived by tho in- specting engineer. The test shall be conducted not sooner than 7 days and pre-: ,erably 30 days after the final backfill is in place. A successful test con-' sists of passing a rigid ball or mandrel through the pipeline from manhole to manhole without -the use of mechanical pulling -devices. The ball or mandrel shall be 95% --f the inside diameter of the pipe for the 7 day test and 92�%_ for the 30 day test. The Contractor, at the Contractor's expense, shZ.Lll take correctiVd action, satisfactory to the City, sufficient to attain a successful test. The portion requiring corrective action shall be retested 7 days after the correction is complete. '11 M,ateri ls and'Equipment for Testing, All labor, equipment and materiZL15 (in- cituling water) necessary for making the tests of sewer'lines shall be furnished bv the Contractor. S'-,i—idard. Drawinq SD-4, Catch Basin. -Manhole: Change the upper note to read as follows: The manhole shall he watertight unless otherwise approved by the City. Jointing material shall be "Ramnek" or equal, ;Ind ;Zdd hAollowing sentence to the lower'note: Watertightness will be required unless otherwise approved by the City. c -inge the distance between the bottom of the basin and the pipe invert to: 24" minimum 'z�­a-n,f,a-d Drawing W-2, Fire Hydrant: Add the following dimension betwaen the surface and the top of the pipe: 611 minimum Standard Drawing W-5, Water Service Line: Delete the "min. 9" radius" dimen- iind add the follow'ing in liau -�Lhereof: The�ininimum radius shall be in accordance wi'-I� the.manufacturer's recominendations. To -the Table of Contents add the following: GP-12 Preconstruction Conference DC-08 Driveways DC-09 Drawing Submittal