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Home My WebLink About[01] Sabart Presentation2011 Park Terrace Improvements 2011 Park Terrace Subdivision Improvements Public Improvement Hearing April 14, 2011 Randy Sabart, PE Existing Conditions • Streets — Reconstructed in 1985 — Seal coated in 1997 — Urban pavement design (curb and gutter) • Light 5 -7 ton structural design — Paved width: 32 feet face -to -face —Deteriorated pavement surface z Alligator /fatigue cracking Block cracking Large transverse cracking' • Weathering',n r:itk: Existing Conditions • Sanitary Sewer — 12" clay pipe on Birch St (east of 411 Ave NW) — 8" vitrified clay pipe installed in 1960 • Located in back yards • No dedicated utility easements — Typical clay pipe deficiencies observed: Root intrusion Cracked or broken pipe Offset or open pipe joints • Cut -in /protruding service taps Public Imrprovement Hearing Presentation Project Location • Park Terrace a. 0- Subdivision —4 th Avenue NW t, .. 1{ - r', �1 I, k — 51h Avenue NW — Ash Street W — Birch Street W — Minnesota St • Alternates '.! 'm —Old Highway 52 — Birch Street W Existing Conditions • Drainage — 12" — 15" storm sewer on 4'h Avenue NW • Portions constructed 1985 (so. Ash St.) & 1960's — 12" storm sewer on Birch St W (at 4th Ave NW) • Constructed in 1985 and 1960's — Drains north through Hollow Park Subd. And discharges at South Fork Watab River — Larger volumes of run -off observed at Ash St/4th Ave NW intersection — Ponding observed on Birch St near 4'h Ave NW Existing Pipe Conditions aimm No manhole kvart Bmkan p4m Rods at service 4/14/2011 2011 Park Terrace Improvements Existing Access Conditions Existing Conditions Water main — 1" - 1 '/4" copper water mains (1960) Ash St • So. side Birch St (W of 4th Ave NW) No. side of Ash St E side of 4th Ave NW — 2" and 4" cast iron water mains (1960) • No. side Birch St (W of 4th Ave) 411 Ave NW 511 Ave NW Proposed Project Alternatives Option 1 — Construct new 6 " -10" sanitary sewer main in street • Construct new building service pipe to homes • Abandon existing sewer & manholes — Construct new 6" water main in the street • Reconnect building service pipes in the front yards — Reconstruct storm sewer along 4th Ave and Birch St • Extend new storm sewer to 5- Ave on Ash St — Reconstruct 32 foot -wide urban section (C &G) • Reconstruct driveways in kind 4/14%2011 Existing Access Conditions Existing Conditions Water main — 6" ductile iron water main (1985) • Only one home connected to 6" water main — Existing pipes buried in front boulevards /yards and not in the street — Staff have reported calls about low water pressure experienced in neighborhood during hydrant flushing operations — Existing water main sizes less than 6" do not meet current standards for water mains providing domestic flows & fire protection Public Imrprovement Hearing Presentation 2 - c o �z O v) w O z� u7 � Public Imrprovement Hearing Presentation 2 2011 Park Terrace Improvements Proposed Project Alternatives Option 2 — Rehabilitate existing 8" sanitary sewer mains Cured In -Place Pipe (CIPP Methods — "pipe liner) Apply CIP coating on manholes • Indiv. sewer services would not be rehabilitated — Construct new 8" water main in the street • Reconnect building service pipes in the front yards — Reconstruct storm sewer along 40 Ave and Birch St • Extend new storm sewer to 5'^ Ave on Ash St — Reconstruct 32 foot -wide urban section (C &G) • Reconstruct driveways in kind — Dedicate public utility easements for utility access Project Alternatives Flatten slopes at Centennial Park w /excess grading materials generated by project Alternate A — Old Highway 52 • Construct 150 LF new 8" sanitary sewer to locate sewer to the street from the side yard • Reconstruct 8" water main (replace 1973 CIP) • Reconstruct disturbed portions of street Alternate B — Birch Street W (between Old Hwy 52 & 2nd Ave NW) • Reconstruct existing 12" clay pipe • Reconstruct 8" water main (replace 1960 CIP) • Reconstruct disturbed portion of street a I va 0 I t4Z r ' p O ,t .%� PIN, Cured In -Place Pipe Animation Clip Proposed Improvements Street – 32 foot -wide urban section (C &G) • Redaim /salvage aggregates where possible – Driveway reconstruction in kind – Turf restoration (sod) 4/14/2011 Public Imrprovement Hearing Presentation 3 161. 16'• 861, CWCRETF CURB 8 GUI IEP —SL ARIES MIN. /A[1 YAK SE ORti01 ORE 1.Oi VARIES 0:1 YIR• /�' 5011 —2- BITWIROUS KE1R Cow" 5' IWSOIL 8 SOD BITWIYOUS TACK COAT 1' BI TUY I..S HOH-KLAR C-11 —6' AGGREGATE BASE. CLASS 5 . I6'- BIRCH STREET R PROW M AVEWE TO OLO PICRRA• 52 4/14/2011 Public Imrprovement Hearing Presentation 3 2011 Park Terrace Improvements Opinion of Probable Project Costs Includes Alternate A Construction (Old Hgfrway 52).$27,600 Includes Alt-te B Construction (Birch Street W): $116.300 ':-We, All ZW A Construction (Old Hghway 52): $26,400 ' Iraludes Ab W B Construction (Birch Street W): $117500 Preliminary Special Assessments • Assumptions - Assessments based on benefitting footage for street and no. of units for utilities - City would not assess sewer service reconnection costs - No water main assessment for residents on 511 Avenue due to existing 6 -inch water main. However, water services assessed • Reconstruction Project Costs - Practice: 60% assessed, 40% City subsidy • Interior lots: 100% benefitting front footage Preliminary Funding Allocations Utility Option 1 - Sanitary Sewer Reconstruction Option 1 with Sanitary Sewer Reconstruction Option 2 with Sanitary Sewer Rehabilitation Construction 1 $1,516,000 2 $1,365,600 Contingency $151,600 $136,600 Engineering $295,600 $266,300 Geotechnical Investigation $4,700 $4,000 Legal& Administrative $30,300 $27,300 Financing $151,600 $136,500 TOTAL $2,149,800 $1,936,300 Includes Alternate A Construction (Old Hgfrway 52).$27,600 Includes Alt-te B Construction (Birch Street W): $116.300 ':-We, All ZW A Construction (Old Hghway 52): $26,400 ' Iraludes Ab W B Construction (Birch Street W): $117500 Preliminary Special Assessments • Assumptions - Assessments based on benefitting footage for street and no. of units for utilities - City would not assess sewer service reconnection costs - No water main assessment for residents on 511 Avenue due to existing 6 -inch water main. However, water services assessed • Reconstruction Project Costs - Practice: 60% assessed, 40% City subsidy • Interior lots: 100% benefitting front footage Preliminary Funding Allocations Utility Option 1 - Sanitary Sewer Reconstruction ConaWCeon Category Special Assessment City SubaWy Total Streetend Restoration (60140) '5471,800 $314,500 $786,300 Memorial Park Sbpa Fhtdnbg $0 327,100 527.100 Cknton Vi, Sewer Resign @ Park $0 $9,700 S9700 Sa-ry Se Mein (60/40) $183,100 $122,000 $305,100 S.-, Sauer Servloes $0 $340.300 $340,3DD Water Main(60140) $138,400 $92,300 $230, 7D0 Wafer Main Realign @ S° AVelPark $0 59,300 39,300 Water Sennces(60/40) $49.100 $32.800 $81900 Storm Sewer 30 $155,400 $155.400 Alternate A -OW H91,,sy 52 $0 $39.100 $39,100 Alternate B - Birch St W of 2'° Ave $0 $164.900 $164900 TOTAL 1 3842.400(39.2 %) $1,307,400(60.8 %) $2.149.800 ' Inckdes an at $64.306 the CM of St Joseph woUd pay es a bsnef" lot owrr, Opinion of Probable Project Costs Construction Category Option 1 with Sanitary Sewer Reconstruction Option 2 with Sanitary Sewer Rehabilitation Street and Restoration 1$813,400 1 $755,900 Sanitary Sewer 2$314,800 $399,700 Sanitary Sewer Services $340,300 $106,700 Water Main $$240,000 $230,300 Water Services $81,900 $81,600 Storm Sewer $155,400 $155,100 Altemate A -Old Highway 52 $39100 $40,300 Alternate B- Birch St W of 2- Ave $164,900 $166,500 TOTAL 4$2,149,800 4$1,936,300 1 Im"s an est. $27,110 for Memorial Park slop g,adkrg ' Incktles an est. $$9,700 far Clhton VShge sewer reakgmm through park Irakdes an est. 39.300 for 5'" Avenue NW water main reakgnment at park 'Goes ratm etemporary /permanent easementacqua2on coats Preliminary Special Assessments • Reconstruction Project Costs (cont'd) Corner lots: 100% short-side footage and 50% long -side footage • Irregular lots: Lot area divided by average lot depth - 110 feet (130 feet along 511 Ave) - to determine average front footage • Assessment payment term and interest rate to be determined by council prior to Assessment Hearing Preliminary Funding Allocations Utility Option 2 - Sanitary Sewer Rehabilitation (Lining) Construction Category 8paolal Assessment City 9utisley Total Streetand Rectoratbn(60/40) 15437,300 $291.500 $728,800 Memoral Park Sbpa Flattering s0 $27.100 327100 Sanitary Sewer Main (60140) $239,800 $159,900 $399,700 S.-, Sewer Services $0 $106.700 $106,700 Water Main(60/40) $138.200 $92,100 $230,300 Wass, Services (60/40) $49,100 $32,700 $81,800 Stone Sewer 50 $155,100 $155,100 Alterrote A- OM Hqg y 52 50 $40,300 $40,300 After - B - Birch St Wof 2n°Aw s0 $166,500 $166,500 TOTAL $864,400(44.6 %) $1.071,900(55.4 %) $1.936,300 ' lmkdes an set $59.606 the Cey of St. Joseph would pay as a benef n,; lot owns, 4/14/2011 Public Imrprovement Hearing Presentation 4 2011 Park Terrace Improvements Preliminary Assessment Rates Utility Option 1 - Sanitary Sewer Reconstruction Construction Cabgory ADProa. le nits Foobge /NO. U Assessab Special Assnsm.rt Rate Strest and Restoration (60/40) 5217 LF 390.44/LF Cenhmal Park Sbpe Fhttenng Reconstruction $0 Clnton Vi. Seeer Realgn @ Park 0 Units $0 SaNbry Sewer Main (60 140) 49 Units $3,736 1Un,t Sanitary Sewer Services 46 Unite $0 Water Main(60/40) 33 Units $4, 193/Un4 Water Main Resign @5-AV lPark 0 unth $0 WabrS.— a(60/40) 44Un. $1,117Nrvt Storm Sewer 81,177 $0 Aeerreb A— Old Hgl,wy 52 EO Alternate B — Bich St W of 2n 1 Ave 516,281 ED Preliminary Special Assessments Typical 80400t Wide Interior Lot Example Assessment Option 1 with Option 2 with Street and Restoration (60/40) Sanitary Sewer Sanitary Sewer Category Reconstruction Rehabilitation Soa.tand Restoration (60140) $7,235 56.706 80 Lineal Feet 49 Units $4 89VUn,t Senibry Sewer Main Isom) $3736 $4.894 1 Unit 33 UnLS $4.187 /Unit Water W.(60/40) $4.193 $4.187 1 UM 44 Urk6 $1.115 /Une Water Service (60/40) 81,177 $1,175 1 Un $0 ExAMPLE TOTAL 516,281 $16.902 Small Cities Development Program Assessment Abatement The City of St. Joseph could apply • Provides assessment abatement to eligible households in the reconstruction project area. • If awarded, the grant would pay for the entire assessment of all eligible households. -Grant pays for the assessments that affect very low - income (VLI) households. • A VLI household is defined as a household having a total income of 50% or less of the Stearns County median income. We would identify how many households fit this criteria through an income survey. Public Imrprovement Hearing Presentation Preliminary Assessment Rates Utility Option 2 - Sanitary Sewer Rehabilitation Construction Cabgory APProa. Assess. Foobge /NO. U nea Specal Asxasment Rah Street and Restoration (60/40) 5,217 LF $83.83/LF Centennial Park SbDe Fbthni g 7 Person $0 Cknwn Vi. Sewer Reakgn ® Park 0 Urkb $0 Sar Sewer Main (60140) 49 Units $4 89VUn,t Sarvbry Sewer Services MU— $0 Water Main (60 /40) 33 UnLS $4.187 /Unit Water Main Realign @5"AV /Park a U_ $0 Water Services (60/40) 44 Urk6 $1.115 /Une Storm Sewer $0 Albmate A —Oki 11, w—y 52 $0 ABemab B — Birch St W of 2n Ave 50 Seniors & Disability Assessment Deferral • City Ordinance 38 - Homestead property - Owner is 65 or older or a Disabled Owner - Payment constitutes unreasonable financial hardship per ordinance definitions • Process — Apply on forms from the City — Complete financial disclosure form — Application deadline: Sept. 1 before asmnts due — City council to make finding: grant or deny — Interest accrues on principal Small Cities Development Program Assessment Abatement 2010 (Gross) Income Limits 1 Person 2 Person 3 Person 4 Person 5 Person 6 Person 7 Person 8 Person 823,400 $26750 431.100 $33,400 $36,100 1 $38.750 1 $41,450 1 $44.100 TIMELINE SCDP: Survey Residents May — June 2011 Submit Pre - application Sept. / Oct. 2011 Notification if invited to submit full application November 2011 Submit Full Application February 201 Grant Award April 2012 IF AWARDED: Clear Grant Special Conditions April /May 2012 Kick -off Grant Program June 2012 4/14/2011 2011 Park Terrace Improvements Preliminary Project Schedule Survey & design project May- September 2011 Meetings with property owners June - Review plumbing /basement • City advertises for bids Sept/October 2011 Conduct Assessment Hearing November 2011 Council award contract January 2012 Begin construction May- October 2012 • Finish construction June 2013 4/14/2011 Public Imrprovement Hearing Presentation 6 Cif O U O AF IJ ct O O • O r- 3 0 � o+as 0 O O LO f` r- 0 o ti O CO 0 0 ti O T— 0 0 M OM (N 0 0 00 00 Ol 0 O r- LO r- 0 O M mot' Oa 0 O Lo (D 0 O M M d') � L„ O O O O O O O O O O O O O O O O O O V CO mot' O O LO O �- O i T-� d' o0 CO CO N� O M a O r OQ. c/a� NQi c + Li Q N CV >I O � O _ N C) •L O O vJ • ,*,W U V U) O m O U v L I -0 cn U) ? 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