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HomeMy WebLinkAboutR2009-1ider4,- / LL,'v— • RESURFACING 2009-1 40. North { it r d 1 Hi at [TARP" .,. \TI�-C Y. f� i'ti`�"` #'i -! t1 1 JI r'i �7 1 i", ,, _j�J �c�L_' I ll �i �� ,.: IL f_-_____,.. _ > _lil(L' L? rill � L in ([ T Vic- ; < �r-i r -'"i 1�� (T ( i � ( !_ �[ �1i�dQ �' "}:-- r7 t -Tjt` fi '„Iii; i �� 4 I.1 y.._ :ThLI' � ii��_� �� 1 ! 1_Ila i(_�� �i'�` , I�'c ]c,t 1 A 1C_' _ )� : >r i �' � m ! 7-i ' Ll 1 _J.i. . �vL � �—i __ - wjuji ciir� ;tai a A�d_II.��:l�-�'�Tt��i et� am '!(` ij tri -'r )jv 98sassi-7 it �r=c: _ r r s+ it_ ...—_._LII ' �, w�{A �U �IL �� ��Lr�L •�_� rpt. W.11in : 4i1i`Tia `'U]CLu W� i i 1 ;t_1L -L- Jr) t]L il"'1[11[I]EIJ iit`[i [[IiI 1m11 Pm -'S 1 A _ ifitui '4+'J!�DCIe:- T 1 i mmwrtiihr ma lial i[DED ."E; -iS Wftlair:�r ."2",_ %I3 rri 1'S Tt 'J"! immi s,Cf]r11t1 i d[fl 1JCIiII*: rWF ‘I j rl ri(ri 40 I Hastings City Surveyor Ir ininar ,5 Off -Zoo Date ?TAllrr `r 1. 1. 1 Til nu iI w (1-i 1 ''r.-�1r1ti 'i cwt -=i I � ��N oil �'tJ ?LL JL JJC_. ` II__ _... _e * ----.1"1-11--J; Ali! ;! ,t - r ; ��II 1j sicli1 1. Hastings City Engineering arn ` N, I! fj O O fY 0 0 9th Street .Boyce Street.___......-_...---.-.._.. Hastings, NE p`an�o.7tioogooy 0 eit DAM $ )1 WACKER E. o14,7 y ♦� PAF♦♦ / et ♦♦ Y • /1AUN ✓� Hastings City Engineer S--%'"zooy Date Street Marian Road to Tilden Ave. 0 0 0 0 West 9th Street - Marian Road to Tilden Ave. Begin Project 100+00 Typical Section of Existing Street 2"Existing Asphalt at CL tapered to 0' to be Removed 9th Street Marian Road to Tilden No Scale cmewb street 2" Top Lift 30" kintiammsommitzg Proposed Section 2. 1.5" Base Lift 2% Varies ✓. Lc: +-.wf , v�iST•Y�n `:�^•moi 7,JC1..�ii1;2� .�. :.N 6" --I I-- ,§ -- 36' 1 9th Street Marian Road to Tilden No Scale 2" To Lift 12'@CL� Leveling Coarse C/oP„,,,,,,,,,„,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,„,,,,........................_ — ----------------._-.----------.-_---tree---------------- :. 4 C Detail 1 2” Top Lift @ 15.5' and Taper to 0" at FI in Gutte • .: 4 4. a 4 No Scale 0" Leveling Course © 15.5' Concrete Sub -Base 101+00 NOTES: 102+00 0 103+00 Adjust Manhole to grade102+85 Base Lift will consist of 1" Type 17C /.40 Top Lift will consist of 1 1/2" Type 17C /.40 Concrete sub -base may require various Concrete Patching to be determined by the Engineer after milling operation and street has been cleaned. Ends and returns on Project will be sawed prior to installation of Base Lift. Contractor shall use caution not to damage driveways during the removal of existing asphalt. Millings to become property of the contractor. Extra care will be taken to maintain water flow. Contractor is responsible to place Asphalt inset into driveways where needed. ** Contractor shall mill down to concrete sub -base Contractor shall use extra care when moving heavy equipment over and around this project the concrete base will not withstand heavy weight. Inlays required shall be Subsiduary to Rotomill Pavement ** SEE DETAIL 104+00 Maintain flow coming off Tilden Ave. 105+00 ITEM NO. DESCRIPTION 0 0 106+00 Adjust Manhole to grade 105+87 NORTH End Project 107+10 9th Street 107+00 ESTIMATED QUANTITIES UNIT 1 ROTOMILL PAVEMENT 2 ASPHALTIC CONCRETE TYPE 17C / .40 3 ASPHALTIC CEMENT PERFORMANCE GRADED BINDER (64-28) 4 EMULSIFIED ASPHALT (SS1H) TACK COAT 5 REMOVE CONCRETE PAVEMENT 6 REMOVE 30" CURB & GUTTER 7 SAW CUT 8 BUILD 6" PCC CONCRETE PAVEMENT PATCHING (47B HIGH EARLY) 9 BUILD 30" COMB. CURB & GUTTER 10 ADJUST MANHOLE TO GRADE 11 ADJUST WATER VALVE TO GRADE 12 ADJUST GAS VALVE TO GRADE 13 TRAFFIC CONTROL, BARRICADES, AND MAINTENANCE THEREOF 2250 S.Y. 395 TON 23 TON 610 GAL. 275 S.Y. 250 L.F. 120 L.F. 275 S.Y. 250 L.F. 2 EACH 1 EACH 1 EACH 1 L.S. ACITY OF HASTINGS, ENGINEERING DEPT. Project West 9th Str. Marian Road to Tilden Ave. Pro;. Ho. RESURFACING 2009-1 Asphalt Overlay only" ai RLM DM 1-20.09 Contractor Drown Dy RLM ippro.od %. Mn. No. 2 of 3 ASPHALT PAVEMENT SPEC. SHEET MATERIALS - GENERAL REQUIREMENTS 1. Type of Asphaltic Oil for Tack coat Tack coat required under this project shall be SS -1H. Water used to dilute emulsified asphalt shall be mixed in approximate 50-50 proportion with the oil. The rate of application of the diluted emulsified asphalt shall generally be from .10 to .20 of a gallon per square yard. 2. Asphaltic Concrete Type 17 C 1.40 asphalt according to 1997 State Specifications 3. Payment shall be made per ton asphalt and shall include all installation costs including, but not limited to sweeping and base preparation not otherwise provided for by separate pay item. NOTE: Contractor will take extra care to protect all survey markers, located in street, during construction. NOTE: Care will be taken to salvage existing manhole rings and covers and keep sets matched together. NOTE: Where pavement is milled, apply courses as specified to thickness as outlined on the plans or as specified in field by Engineer. NOTE: Salvage subbase in areas as specified on plans or as directed in field by Engineer. Laying, compacting and finishing shall be in accordance with sections 503and/1028 of the 2007 Standard State Specifications and Supplemental Specifications. Flagging and temporary traffic control for construction will not be paid for directly, but will be subsidiary to the contract. CONTRACTOR'S NOTE 1. Payment will be made for actual field quantities utilized and shall show precedence over contract estimated quantities. 2. Locations of all manholes and valves will be tied off and recorded prior to any work. Manholes will be kept covered and kept clean throughout all of resurfacing project. 3. All drives and approaches will be asphalted back, as directed by Engineer in field. 4. It will be the responsibility of the Contractor to dispose all pavement removal. 5. Contractor will be required to notify property owners a minimum of 24 hours prior to any work being started, so cars, etc. can be moved. 6. Contractor will lay new asphalt surface in a two lift process. Unless otherwise specified by plans or Engineer. 7. Contractor will be required to have all utilities located prior to start of work. NOTES: The embankment and subgrade shall be adjusted to conform to the lines and grades on the plans in accordance with Section 205 and 302 of the 2007 Standard State Specifications and its supplements. The upper six (6) inches of the subgrade shall be scarified, mixed and recompacted to the following compaction requirements: Percent Density Moisture Minimum Requirements Maximum 95 Min. Opt. -3% Opt. +3% Areas not meeting specified moisture density test requirements shall be removed and recompacted at the Contractor's expense. All subgrade compaction and water necessary for subgrade construction shall not be paid for directly but shall be considered subsidiary to the items of the contract. Excavation, backfilling, and sawing control joints, keyway, tie bars, dowel pins, and rubberized joint sealant shall be considered subsidiary to the unit price per square yard of pavement. CALL BEFORE YOU DIG DIGGERS HOTLINE 1 OF NEBRASKA Call 1-500-331-5666 ASPHALTIC CONCRETE, TYPE 17C W/.40 CRUSHED Asphaltic Concrete, Type 17C, shall conform to the AASHTO T245 test for a 50 blow mix criteria. Subsection 1007.01 in the Standard Specifications is amended to include Asphaltic Concrete, Type 17C. The combined mineral aggregate for Asphaltic Concrete, Type 17C, shall have a minimum crushed value of 40 percent. The crushed value for mineral aggregates shall follow the Special Provision, "CRUSHED AGGREGATE FOR ASPHALTIC CONCRETE". Of the combined mineral aggregate not more than 60 percent can be limestone. The target field air void shall be 3.5 percent. The gradation of the combined aggregates shall be such that a job mix formula meeting the gradation requirements shown below can be established. RANGE FOR TARGET VALUES (1/2" Gradation Band) SIEVE SIZE PERCENT PASSING 1 -inch %-inch 1/2 -inch 318 -inch No. 4 No.10 No. 30 No. 50 No. 200 Min. Max. 100 98 100 94 100 80 98 52 88 32 70 17 38 10 24 3 7 The percent design target air void shall equal the field target plus one percent. Field control target air voids shall consist of a maximum equal to the target plus one percent and a minimum equal to the target minus one percent, based on the moving average of four tests. The minimum percent voids in mineral aggregates, (VMA) shall have a lab design of ** and field control value of **. The dust/ac ratio shall have a maximum (lab design) value of 1.2 and a maximum (cold feed) value of 1.4. CITY OF HASTINGS, ENGINEERING DEPT. Project West 9th Str. Marian Road to Tilden Ave. Proj. No. RESURFACING 2009-1 Description Asphalt Pavement Spec. Sheet Design By RLM Dote 2-20-09 Contractor Drawn 9y RLM Approved By Dm. No. 3 of 3