ODOT District Bridge General Notes B405: OBJECT MARKERS AND STRUCTURE/CULVERT IDENTIFICATION SIGNS

Transcription

1 B401: DELETED B402: DELETED B403: DELETED B404: STRUCTURE/CULVERT IDENTIFICATION SIGNS B405: OBJECT MARKERS AND STRUCTURE/CULVERT IDENTIFICATION SIGNS B406: ITEM FIELD PAINTING, MISC.; REPAIR PAINTING B407: ITEM MICRO-SILICA MODIFIED CONCRETE OVERLAY USING HYDRODEMOLITION, AS PER PLAN ITEM SURFACE PREPARATION USING HYDRODEMOLITION, AS PER PLAN ITEM MICRO-SILICA MODIFIED CONCRETE OVERLAY (VARIABLE THICKNESS), MATERIAL ONLY, AS PER PLAN ITEM FULL DEPTH REPAIR, AS PER PLAN ITEM WEARING COURSE REMOVED, ASPHALT, AS PER PLAN ITEM EXISTING CONCRETE OVERLAY REMOVED, AS PER PLAN B408: CORRECTING BRIDGE IDENTIFICATION SIGN NUMBERS: B409: SPECIAL - PATCHING CONCRETE STRUCTURE, MISC.: CURB REPAIR B410: SPECIAL - STRUCTURE MISC.: CONCRETE SPALL REMOVAL B411: UNSUITABLE SOILS B412: ITEM FIELD PAVING OF EXISTING PIPE B413: ITEM 514 PAINTING OF STRUCTURAL STEEL B414: ITEM 515 HIGH EARLY STRENGTH KEY-WAY GROUT B415: ITEM 202 WEARING COURSE REMOVED, AS PER PLAN B416: DELETED B417: ITEM STRUCTURAL STEEL, MISC.: STEEL BEAM REPAIRS B418: ITEM SCUPPER MISC.: CLEANOUT B419: SPECIAL - STRUCTURE MISC.: STRUCTURE CLEANING B420: ITEM X CONDUIT, TYPE A, , AS PER PLAN B421: ITEM REMOVAL MISC.: CHANNEL CLEANOUT B422: ITEM STRUCTURAL STEEL, MISC.: REPLACEMENT OF DAMAGED CROSSFRAMES B423: DELETED B424: DELETED - 1 -

2 B425: ITEM MICRO-SILICA MODIFIED CONCRETE OVERLAY, AS PER PLAN ITEM MICRO-SILICA MODIFIED CONCRETE OVERLAY (VARIABLE THICKNESS), MATERIAL ONLY, AS PER PLAN ITEM FULL DEPTH REPAIR, AS PER PLAN ITEM WEARING COURSE REMOVED, ASPHALT, AS PER PLAN ITEM EXISTING CONCRETE OVERLAY REMOVED, AS PER PLAN - 2 -

3 B401: DELETED This note applied to Class HP Concrete and is no longer needed Revised 11/30/2015 B402: DELETED This note applied to Class HP Concrete and is no longer needed Revised 11/30/2015 B403: DELETED THE VERTICAL CLEARANCE NOTE HAS BEEN MOVED TO THE ROADWAY AS NOTE R414. Revised 05/10/2007 B404: STRUCTURE/CULVERT IDENTIFICATION SIGNS STRUCTURE IDENTIFICATION SIGNS (I-H25b) WILL BE PLACED ON EACH APPROACH OFF THE RIGHT SHOULDER, FACING TRAFFIC, AND BEHIND THE GUARDRAIL IF APPLICABLE. A QUANTITY OF ONE SIGN PER APPROACH WILL BE INSTALLED. THE SIGNS WILL HAVE A NON-REFLECTIVE WHITE SHEETING BACKGROUND. THE SIGNS WILL BE MOUNTED ON NEW NO. 2 POSTS AND WILL BE INSTALLED AS PER STANDARD CONSTRUCTION DRAWING TC-41.20, MOST CURRENT REVISION. EACH POST WILL BE 7.5 IN LENGTH. INSTALL SIGNS FOR THE FOLLOWING STRUCTURES: [add list of structures here] THE FOLLOWING QUANTITIES HAVE BEEN INCLUDED FOR EACH APPROACH: ITEM 630 SIGN, FLAT SHEET, , 1 SQ FT ITEM 630 GROUND MOUNTED SUPPORT, NO. 2 POST, 7.5 FT ITEM 630 REMOVAL OF GROUND MOUNTED SIGN AND DISPOSAL, 1 EACH ITEM 630 REMOVAL OF GROUND MOUNTED POST SUPPORT AND DISPOSAL, 1 EACH Include this note on all bridge and culvert projects where object markers are not required to be installed for the bridge. Object markers shall be installed on all structures where a joint between the approach slab and bridge exists (i.e. object markers are not required on bridges with Integral Abutments, etc). Quantities shown are for EACH APPROACH; multiply the number of approaches on each structure and carry to Estimated Quantities for the appropriate structure. DO NOT EDIT THIS NOTE, US IT AS-IS. List the number of approaches for each structure (i.e. ATB [2 APPROACHES]). Revised 11/30/2015 B405: OBJECT MARKERS AND STRUCTURE/CULVERT IDENTIFICATION SIGNS OBJECT MARKERS WILL BE PLACED ON EACH APPROACH OFF THE LEFT AND RIGHT SHOULDER, FACING TRAFFIC, AND BEHIND THE GUARDRAIL IF APPLICABLE. ONE OM- 3L AND ONE OM-3R WILL BE INSTALLED AT EACH APPROACH. THE SIGNS WILL BE - 3 -

4 MOUNTED ON NEW NO. 2 POSTS AND SHALL BE INSTALLED AS PER STANDARD CONSTRUCTION DRAWING TC-41.20, MOST CURRENT REVISION. EACH POST WILL BE 10.5 IN LENGTH. STRUCTURE IDENTIFICATION SIGNS (I-H25b) WILL BE INSTALLED ON THE SAME POST AND DIRECTLY BELOW THE OBJECT MARKER OFF THE RIGHT SHOULDER ON EACH APPROACH. A QUANTITY OF ONE SIGN WILL BE INSTALLED AT EACH APPROACH. THE SIGNS WILL HAVE A NON-REFLECTIVE WHITE SHEETING BACKGROUND. INSTALL SIGNS FOR THE FOLLOWING STRUCTURES: [add list of structures here] THE FOLLOWING QUANTITIES HAVE BEEN INCLUDED FOR EACH APPROACH: ITEM 630 SIGN, FLAT SHEET, , 1 SQ FT ITEM 630 SIGN, FLAT SHEET, 6 SQ FT ITEM 630 GROUND MOUNTED SUPPORT, NO. 2 POST, 21 FT ITEM 630 REMOVAL OF GROUND MOUNTED SIGN AND DISPOSAL, 3 EACH ITEM 630 REMOVAL OF GROUND MOUNTED POST SUPPORT AND DISPOSAL, 2 EACH Object markers will be installed on all structures where a joint between the approach slab and bridge exists or where required based upon the Ohio Manual of Uniform Traffic Control Devices. Quantities shown are for EACH APPROACH; multiply the number of approaches on each structure and carry to Estimated Quantities for the appropriate structure. DO NOT EDIT THIS NOTE, US IT AS-IS. List the number of approaches for each structure (i.e. ATB [2 APPROACHES], SUM R [1 APPROACH]). Revised 11/30/2015 B406: ITEM FIELD PAINTING, MISC.; REPAIR PAINTING PAINTED AREAS THAT ARE DAMAGED OR RUSTED WILL BE DESIGNATED BY THE PROJECT ENGINEER. THE CMS PROCESS WILL BE USED TO REPAIR THESE AREAS. THE CONTRACTOR SHALL PROVIDE THE ENGINEER WITH ALL NECESSARY EQUIPMENT TO INSPECT THIS WORK. THE MAJORITY OF THE AREAS TO BE REPAIR PAINTED ARE: [ LIST THE AREAS ] AREAS TO BE REPAIR PAINTED ARE NOT LIMITED TO THESE AREAS. THE AREAS DESIGNATED BY THE PROJECT ENGINEER WILL BE PAINTED. Use this note when there is a need to perform repair painting on projects such as: Heat Straightening, etc. Revised 06/17/2009 B407: ITEM MICRO-SILICA MODIFIED CONCRETE OVERLAY USING HYDRODEMOLITION, AS PER PLAN ITEM SURFACE PREPARATION USING HYDRODEMOLITION, AS PER PLAN ITEM MICRO-SILICA MODIFIED CONCRETE OVERLAY (VARIABLE - 4 -

5 THICKNESS), MATERIAL ONLY, AS PER PLAN ITEM FULL DEPTH REPAIR, AS PER PLAN ITEM WEARING COURSE REMOVED, ASPHALT, AS PER PLAN ITEM EXISTING CONCRETE OVERLAY REMOVED, AS PER PLAN THESE ITEMS SHALL BE PERFORMED PER SUPPLEMENTAL SPECIFICATION "BRIDGE DECK REPAIR AND OVERLAY WITH CONCRETE USING HYDRO DEMOLITION" WITH THE FOLLOWING REVISIONS: THE THICKNESS OF THE CONCRETE OVERLAY REMOVED, ASPHALT WEARING COURSE REMOVED, PROPOSED OVERLAY, AND THE DEPTH OF HYDRODEMOLITION SHALL BE AS SPECIFIED IN THE PLANS. CONSTRUCTION JOINTS WILL NOT BE PERMITTED IN THE WHEEL LINE. (SEE ) THE COMPONENTS OF THE MICRO-SILICA MODIFIED CONCRETE SHALL BE PROPORTIONED AS FOLLOWS. CONCRETE TABLE QUANTITIES PER CUBIC YARD REGATES (SSD) TYPE FINE #8 COARSE * TOTAL * CEMENT CONTENT MICRO SILICA WATER TO CEMENT- ITIOUS RATIO AIR CONTENT +/- 2% FIBER (1 1/4" POLYPROPY- LENE) ** GRAVEL LIME- STONE SLAG * ALL COARSE REGATE SHALL HAVE AN ABSORPTION OF 1.00% OR GREATER AS DEFINED PER ASTM C127 ** FIBER MESH SHALL BE 100% VIRGIN POLYPROPYLENE IN A FIBRILLATED-NETWORK FORM AND SHALL BE 1 ¼ IN LENGTH. THE WEIGHTS SPECIFIED IN THE CONCRETE TABLE WERE CALCULATED FOR MATERIALS OF THE FOLLOWING BULK SPECIFIC GRAVITIES (SSD): NATURAL SAND AND GRAVEL 2.62, LIMESTONE SAND 2.68, LIMESTONE 2.65, SLAG 2.30, MICRO-SILICA SOLIDS 2.20, AND PORTLAND CEMENT FOR REGATES OF SPECIFIC GRAVITIES DIFFERING MORE THAN PLUS OR MINUS 0.02 FROM THESE, THE WEIGHTS IN THE TABLE WILL BE CORRECTED. FIBER MESH WEIGHTS NOT INCLUDED IN MIX DESIGN. ALL COARSE REGATE SHALL HAVE AN ABSORPTION OF 1.00% OR GREATER AS DEFINED BY ASTM C

6 ALL OTHER REQUIREMENTS OF THE SUPPLEMENTAL SPECIFICATION SHALL REMAIN IN EFFECT. (SEE ) THE FINAL DECK SOUNDING MAY TAKE PLACE WITHIN 24 HOURS OF A RAIN, AND THE DECK DOES NOT HAVE TO BE COMPLETELY DRY. (SEE ) FULL DEPTH REPAIR IS NOT REQUIRED IF LESS THAN ONE HALF OF THE DECK ORIGINAL CONCRETE THICKNESS IS SOUND. (SEE ) THE WET CURE TIME IS REDUCED FROM 72 HOURS TO 24 HOURS OR UNTIL A BEAM BREAK OF 600 PSI IS ACHIEVED, WHICHEVER IS GREATER. AFTER THE 24 HOUR WET CURE, THE FINISHED OVERLAY SURFACE SHALL BE CURED BY SPRAYING A UNIFORM APPLICATION OF CURING MATERIAL OF , TYPE 1 OR 1D, AS PER CMS METHOD (B) MEMBRANE CURING. IF THE CURING COMPOUND CAN NOT BE PLACED WITHIN THE SAME SHORT TERM CLOSURE PERIOD AS THE OVERLAY, THE CONTRACTOR MAY ALLOW TRAFFIC ONTO THE OVERLAY, AND SHALL, AT THE NEXT AVAILABLE SHORT TERM CLOSURE PERIOD, APPLY THE MEMBRANE CURING COMPOUND. (SEE ) TRAFFIC WILL NOT BE PERMITTED ON THE FINISHED OVERLAY SURFACE UNTIL AFTER THE COMPLETION OF THE 24 HOUR WET CURE, AND AFTER TWO TEST BEAMS HAVE ATTAINED AN AVERAGE MODULUS OF RUPTURE OF 600 PST (4.2 Mpa). (SEE ) THE OVERLAY SURFACE EVAPORATION RATE REQUIREMENTS ARE IN EFFECT FROM 9:30 AM TO 11:00 PM. THEY ARE NOT IN EFFECT FROM 11:00 PM TO 11:00 AM. (SEE ) FOR EACH PHASE, THE CONTRACTOR SHALL PROVIDE ENOUGH MATERIAL FOR TWO BEAM BREAKS EACH AT 12 HOURS, 24 HOURS, 36 HOURS, AND 48 HOURS. THE DEPARTMENT WILL PERFORM THE BEAM BREAK TESTS AND DOCUMENT THE TIME OF THE POUR, THE TIME OF THE BEAM BREAK TESTS, AND THE MODULUS OF RUPTURE FOR EACH BEAM UNTIL THE MODULUS OF RUPTURE OF THE TWO TESTS IS NOT LESS THAN 650 PSI (4.5 MPa). TRAFFIC IS ALLOWED ON THE OVERLAY AT 600 PSI (4.5 Mpa). ALL OTHER REQUIREMENTS OF THE SUPPLEMENTAL SPECIFICATION SHALL REMAIN IN EFFECT. Only use this note when directed to do so in the Scope of Services. Revised 02/20/2013 B408: CORRECTING BRIDGE IDENTIFICATION SIGN NUMBERS: SOME OF THE EXISTING BRIDGE NUMBER SIGNS HAVE INCORRECT BRIDGE NUMBERS ON THEM. THE FOLLOWING BRIDGE NUMBERS ARE THE CORRECT ONES AND WILL BE USED ON THE NEW BRIDGE IDENTIFICATIONS SIGNS. STRUCTURE - - (SFN: ) THE EXISTING SIGN SHOWS. THE CORRECT BRIDGE IDENTIFICATION NUMBER IS. This note is used on projects to correct the Structure ID Signs. Added 04/03/

7 B409: SPECIAL - PATCHING CONCRETE STRUCTURE, MISC.: CURB REPAIR THIS ITEM WILL BE USED TO REPAIR THE DETERIORATED FACE OF THE CURB ON THE BRIDGE DECK AND/OR APPROACH SLABS. THIS WORK WILL BE PERFORMED IN ACCORDANCE WITH ITEM PATCHING CONCRETE STRUCTURES AND AS MODIFIED HEREIN. PRIOR TO THE SURFACE CLEANING SPECIFIED IN AND WITHIN 24 HOURS OF PLACING PATCHING MATERIAL, BLAST CLEAN ALL SURFACES TO BE PATCHED INCLUDING THE EXPOSED REINFORCING STEEL. ACCEPTABLE METHODS INCLUDE HIGH-PRESSURE WATER BLASTING WITH OR WITHOUT ABRASIVES IN THE WATER, ABRASIVE BLASTING WITH CONTAINMENT, OR VACUUM ABRASIVE BLASTING. PAYMENT FOR ALL OF THE ABOVE DESCRIBED LABOR AND MATERIALS WILL BE MADE AT THE CONTRACT PRICE BID FOR SPECIAL - PATCHING CONCRETE STRUCTURE, MISC.: CURB REPAIR AND WILL BE PAID FOR PER FOOT. This is used on rehab projects where the face of the curb is deteriorated and in need of repair. Added 05/06/2009 B410: SPECIAL - STRUCTURES: CONCRETE SPALL REMOVAL THIS WORK WILL CONSIST OF REMOVING ALL VISIBLY SPALLED AREAS OF THE BOTTOM DECK FLOOR OF STRUCTURE(S) - - WITHOUT SOUNDING. AFTER SPALLED CONCRETE AREAS HAVE BEEN REMOVED, REMOVAL AREAS WILL BE SEALED WITH ITEM 512, SEALING OF CONCRETE SURFACES (EPOXY-URETHANE). CONCRETE SPALL REMOVAL WILL BE PAID FOR AT THE UNIT BID PRICE FOR SPECIAL STRUCTURE MISC.: CONCRETE SPALL REMOVAL. THIS PRICE WILL INCLUDE THE COST OF LABOR, EQUIPMENT, AND ALL INCIDENTALS REQUIRED TO COMPLETE THIS WORK. SPEC, STRUCTURES: CONCRETE SPALL REMOVAL, SQ YD 512, SEALING OF CONCRETE SURFACES (EPOXY-URETHANE), SQ YD This is used on rehab projects where the floor has spalls which need to be removed to protect the public. Revised 07/14/2016 B411: UNSUITABLE SOILS THE FOLLOWING ITEMS AND QUANTITIES ARE TO BE USED AS DIRECTED BY THE ENGINEER TO ADDRESS UNSUITABLE SOILS ENCOUNTERED IN THE AREA UNDER THE PROPOSED BOX CULVERT. ITEM EXCAVATION, CU YD ITEM GRANULAR MATERIAL, TYPE C (703.16), CU YD ITEM GEOTEXTILE FABRIC, TYPE D, SQ YD Provide this on ALL Box Culvert Plans. Calculate the above quantities based upon a thickness of 18" and an area equal to the area of the bedding material required under the Box Culvert Specifications. Added 08/10/

8 B412: ITEM FIELD PAVING OF EXISTING PIPE FIELD PAVE THE EXISTING (SIZE AND TYPE). THE CONTRACTOR WILL PAVE THE BOTTOM OF THE EXISTING PIPE AS SHOWN IN THE DETAIL. AREAS TO BE PAVED WILL BE CLEANED TO REMOVE ALL DEBRIS AND SEDIMENT AND WILL BE PAID FOR UNDER ITEM SPECIAL - PIPE CLEANOUT. THE CONTRACTOR WILL BE REQUIRED TO USE ITEM 503 COFFERDAMS AND EXCAVATION BRACING (CRIBS, AND SHEETING) TO DEWATER THE EXISTING PIPE PRIOR TO THE PREPARATION AND FIELD PAVING. AFTER THE PIPE HAS BEEN CLEANED OF ALL DEBRIS AND SEDIMENT, NO WATER WILL BE ALLOWED TO CONTAMINATE THE PIPE. IF ANY CONTAMINATION OCCURS, THE CONTRACTOR WILL RESEAL THE AREA AND RECLEAN THE PIPE AT NO ADDITIONAL COST. ALL EROSION UNDER THE PIPE AND IN THE VOIDS WHERE THE PIPE IS RUSTED THROUGH WILL BE FILLED WITH ITEM 613 LOW STRENGTH MORTAR BACKFILL. ANY TREES LOCATED WITHIN 10 OF THE HEADWALLS THAT MAY POTENTIALLY DAMAGE THE CULVERT IN THE FUTURE OR ENCROACH UPON THE STREAM BEAD OR FIELD PAVING OPERATIONS WILL BE REMOVED. REMOVAL WILL BE DETERMINED BY THE PROJECT ENGINEER AND REMOVED UNDER ITEM 201 CLEARING AND GRUBBING. This note to be on projects where we are Field Paving Culverts. Revised 02/20/2013 B413: ITEM 514 PAINTING OF STRUCTURAL STEEL THE COLOR FOR THE FINISHED COAT OF STRUCTURE(S) - - WILL CONFORM TO FEDERAL COLOR NUMBER (COLOR). This note to be on projects where we are specifying a color other than as shown in the CMS. Added 08/10/2009 B414: ITEM 515 HIGH EARLY STRENGTH KEY-WAY GROUT KEY-WAY GROUT WILL BE EXAMINED FOR VISIBLE DETERIORATION AFTER THE REMOVAL OF THE ASPHALT CONCRETE OVERLAY AND WATERPROOFING. ANY GROUT DETERMINED TO BE REPLACED BY THE PROJECT ENGINEER WILL BE REMOVED BY ITEM 202, PORTIONS OF STRUCTURE REMOVED, AS PER PLAN AND THE GROUT WILL BE REPLACED USING ITEM 515, HIGH EARLY STRENGTH KEY-WAY GROUT. PAYMENT FOR THIS ITEM WILL INCLUDE ALL LABOR, MATERIALS, EQUIPMENT, AND ANY INCIDENTALS REQUIRED TO PERFORM THIS WORK. PAYMENT WILL BE MADE AT THE UNIT BID PRICE PER FOOT FOR ITEM 515, HIGH EARLY STRENGTH KEY-WAY GROUT. This note is only used when the existing asphalt concrete deck of an existing box beam bridge is being removed and replaced. The quantity used should be approximately 20% of the total required for the entire bridge. Added 11/17/

9 B415: ITEM 202 WEARING COURSE REMOVED, AS PER PLAN REMOVE ALL OF THE ASPHALT CONCRETE ON STRUCTURE(S) - -. THICKNESS VARIES WITH A MINIMUM THICKNESS OF ". MILLING OR OTHER MECHANICAL METHOD OF ASPHALT DECK REMOVAL MAY BE PERFORMED TO WITHIN 1/2"` OF THE TOP OF THE EXISTING PRESTRESSED CONCRETE BOX BEAMS. THE LAST 1/2"` OF ASPHALT CONCRETE TO BE REMOVED AND THE WATERPROOFING WILL BE REMOVED USING A NONDESTRUCTIVE METHOD SUCH AS HAND SCRAPING. THE CONTRACTOR WILL USE CAUTION IN REMOVING THE REMAINING ASPHALT AND WATERPROOFING TO ENSURE NO DAMAGE OCCURS TO THE PRESTRESSED CONCRETE BOX BEAMS. ANY DAMAGE TO THE BOX BEAMS WILL BE REPAIRED AT THE CONTRACTOR'S EXPENSE. PAYMENT FOR THIS ITEM WILL INCLUDE ALL LABOR, MATERIALS, EQUIPMENT, AND ANY INCIDENTALS REQUIRED TO PERFORM THIS WORK. PAYMENT WILL BE MADE AT THE UNIT BID PRICE PER SQUARE YARD FOR ITEM 202, WEARING COURSE REMOVED, AS PER PLAN. This note is only used when the existing asphalt concrete deck of an existing box beam bridge is being removed and replaced. Added 11/17/2010 B416: DELETED This note is no longer needed, CMS 611 is used and no special requirements are needed. Revised 11/30/2015 B417: ITEM STRUCTURAL STEEL, MISC.: STEEL BEAM REPAIRS AFTER ABRASIVE BLASTING OF THE STRUCTURAL STEEL HAS BEEN COMPLETED IN PREPARATION FOR PAINTING AND THE PRIME COAT OF PAINT APPLIED (WORK WILL CONFORM TO CMS 514) THE CONTRACTOR WILL EXAMINE THE CONDITION OF THE EXISTING BEAMS AT THE ABUTMENTS AND INTERMEDIATE JOINTS (IF THEY EXIST) AND MAKE THE NECESSARY REPAIR RECOMMENDATIONS. THE STRUCTURAL STEEL REPAIR WORK WILL CONSIST OF REPAIRING THE DETERIORATED BEAMS BY THE ADDITION OF WELDED STEEL PLATES, STIFFENERS, ANGLES, ETC. ALL WORK WILL CONFORM TO CMS 513. THESE TASKS, AS DIRECTED BY THE ENGINEER, WILL BE COMPLETED BEFORE THE INTERMEDIATE COAT OF PAINT IS APPLIED. THE CONTRACTOR WILL PROVIDE THE ENGINEER WITH THE REPAIR PROCEDURE AND FIELD MEASUREMENT CALCULATIONS IN DETERMINING THE ACTUAL QUANTITY OF WORK REQUIRED PER THE REQUIREMENTS NOTED BELOW. 1. THE POTENTIAL REPAIR AREAS WILL BE LIMITED TO 10 FEET FROM THE ABUTMENT BEARINGS AND 10 FEET IN EACH DIRECTION FROM INTERMEDIATE JOINTS (IF THEY EXIST). 2. FLANGE AREA PERFORATIONS WILL BE REPAIRED. 3. USING A UT THICKNESS GAUGE, THE CONTRACTOR WILL QUANTIFY THE AREA OF SECTION LOSS FOR EACH BRIDGE. THE REPAIR AREA WILL BE IDENTIFIED USING A 4" x 4" WEB GRID. THE THINNEST STEEL WITHIN EACH GRID AREA WILL BE NOTED. MEASUREMENTS WILL BE RECORDED AND A COPY SUBMITTED TO THE ENGINEER

10 4. ANY AREA 8" HIGH x 4 WIDE WITH 30% AVERAGE SECTION LOSS ON THE WEB WILL BE REPAIRED. 5. SECTION LOSS MORE THAN 50% FOR AN AREA GREATER THAN 8" HIGH x 4 WIDE WILL BE REPAIRED FOR THE FULL HEIGHT OF THE WEB. 6. USE THE MOST READILY AVAILABLE STEEL MATERIAL THICKNESS THAT IS AT MINIMUM EQUAL TO THE ORIGINAL THICKNESS OF THE BEAM/GIRDER SECTION TO BE REPAIRED. 7. NEW STEEL MATERIAL WILL BE SHOP PRIMED. 8. AREAS OF SECTION LOSS LOCATED BEHIND THE BACK SIDE OF THE BEARING, BETWEEN THE BEARING LOAD PLATE AND BACKWALL WILL NOT BE REPAIRED. 9. AFTER THE REPAIRS HAVE BEEN COMPLETED, REPAIR ALL DAMAGED AREAS OF THE PRIME COAT IN ACCORDANCE WITH CMS THE DEPARTMENT WILL PAY FOR THE ACCEPTED QUANTITIES BASED UPON ACTUAL DETAILS AND DIMENSIONS AT UNIT PRICE (POUND) BID FOR ITEM STRUCTURAL STEEL, MISC.: STEEL BEAM REPAIRS. This note is to be on projects where specified in the Scope of Services. This is to be used on bridge painting projects to repair the beams. The quantity supplied will be estimated in the field. Added 12/08/2010 B418: ITEM SCUPPER MISC.: CLEANOUT THIS WORK WILL CONSIST OF REMOVING ALL DEBRIS FROM ON TOP AND INSIDE OF THE SCUPPERS. SCUPPER CLEANOUT WILL BE PAID FOR AT THE UNIT PRICE BID FOR ITEM 518, SCUPPER MISC.: CLEANOUT. THIS PRICE WILL INCLUDE THE COST FOR LABOR, EQUIPMENT, AND ALL INCIDENTALS REQUIRED TO COMPLETE THIS WORK. This note is to be on projects where specified in the Scope of Services. Added 12/09/2010 B419: SPECIAL - STRUCTURES.: STRUCTURE CLEANING THIS WORK WILL CONSIST OF CLEANING THE BEAMS/GIRDERS AND BEARINGS OF STRUCTURE(S) - - AS PER CMS ALSO, ALL DIRT AND DEBRIS FROM THE ABUTMENTS, BEAM SEATS, AND PIER CAPS WILL BE REMOVED AND WASHED WITH POTABLE WATER. THIS WORK WILL BE COMPLETED PRIOR TO THE REPAIR PAINTING OPERATIONS. STRUCTURE CLEANING WILL BE PAID FOR AT THE LUMP SUM BID FOR SPECIAL, STRUCTURE MISC.: STRUCTURE CLEANING. THIS PRICE WILL INCLUDE THE COST FOR LABOR, EQUIPMENT, AND ALL INCIDENTALS REQUIRED TO COMPLETE THIS WORK. This note is to be on projects where specified in the Scope of Services. Added 07/16/2016 B420: ITEM X CONDUIT, TYPE A, , AS PER PLAN INCLUDED WITH THIS ITEM IS THE OPENING FOR THE STORM SEWER OUTLET CONDUIT. REFER TO THE SITE PLAN SHEET FOR THE LOCATION. THE OPENING WILL BE FORMED AND CONSTRUCTED IN THE SHOP AND INCLUDE DIAGONAL #5 REINFORCING STEEL FRAMING THE OPENING ON BOTH FACES. PROVIDE A MINIMUM OF 1 1/2" OF CLEARANCE FROM THE EDGE OF THE OPENING TO THE OUTSIDE OF THE

11 STORM SEWER OUTLET PIPES. AFTER PLACING THE STORM SEWER OUTLET CONDUIT, GROUT ALL OPENINGS BETWEEN THE PIPE AND STRUCTURE LESS THAN 4 INCHES WITH MORTAR AND GROUT (CMS 602). ALL OPENINGS BETWEEN THE PIPE AND STRUCTURE GREATER THAN 4 INCHES WITH NONSHRINK MORTAR (CMS ). This is to be used when a conduit outlet through the wall of a four sided box culvert. Revised 02/20/2013 B421: ITEM REMOVAL MISC.: CHANNEL CLEANOUT THIS WORK WILL CONSIST OF RE-ESTABLISHING THE ORIGINAL CHANNEL PROFILE BY REMOVING SEDIMENT BUILDUP, VEGETATION, AND DEBRIS FROM THE EXISTING CHANNEL WITHIN STATE RIGHT-OF-WAY LIMITS AS SPECIFIED IN THE PLANS FOR STRUCTURES - -. ANY TREES LOCATED WITHIN CHANNEL OR BANK LIMITS WILL BE INCLUDED UNDER ITEM 201, CLEARING AND GRUBBING. ALL MATERIALS REMOVED SHALL BE DISPOSED OF IN ACCORDANCE WITH AND OF THE CMS WITH THE APPROVAL OF THE ENGINEER. NO AREAS OF EXISTING CHANNEL PROTECTION SHALL BE REMOVED IN ORDER TO RESTORE THE ORIGINAL CHANNEL PROFILE. AFFECTED CHANNEL AREAS SHALL BE CLEANED OUT TO THE SATISFACTION OF THE ENGINEER. CHANNEL CLEANOUT WILL BE PAID FOR AT THE UNIT PRICE BID FOR ITEM 202 REMOVAL MISC.: CHANNEL CLEANOUT. THIS PRICE WILL INCLUDE THE COST FOR LABOR, EQUIPMENT, AND ALL INCIDENTALS REQUIRED TO COMPLETE THE CHANNEL CLEANOUT. This is to be used when directed on the Scope of Services. Added 06/25/2012 B422: ITEM STRUCTURAL STEEL, MISC.: REPLACEMENT OF DAMAGED CROSSFRAMES THIS WORK CONSISTS OF REPLACING DAMAGED CROSSFRAMES THAT ARE BENT OF HAVE SECTION LOSS. THIS ITEM WILL INCLUDE SUPPLYING NEW CROSSFRAMES AND WELDING THEM BACK TO THE ORIGINAL POSITIONS OF THE CROSSFRAMES THAT ARE BEING REPLACED. AFTER REMOVAL, ALL WELDS WILL BE GROUND SMOOTH IN PREPARATION OF WELDING THE NEW CROSSFRAMES IN PLACE. ALL CROSSFRAMES TO BE REPLACED WILL BE FIELD MEASURED TO VERIFY SIZE AND LENGTHS PRIOR TO ORDERING MATERIAL. THE NEW CROSSFRAMES WILL BE WELDED TO THE GIRDERS OR BEAMS ON BOTH SIDES OF THE VERTICAL LEG AND ON THE TOP SIDE OF THE HORIZONTAL LEG. THE ANGLE WILL BE WELDED USING A 1/4" CONTINUOUS FILLET WELD. STEEL MEMBERS TO BE FABRICATED UNDER THIS ITEM WILL NOT REQUIRE SHOP DRAWINGS PRIOR TO FABRICATION. AISC CERTIFICATION IS NOT REQUIRED. THE CONTRACTOR WILL TAKE THE NECESSARY FIELD MEASUREMENTS TO VERIFY MEASUREMENTS BEFORE ORDERING MATERIALS. THE ENGINEER WILL HAVE THE AUTHORITY AND THE RESPONSIBILITY FOR ENSURING THAT THE STEEL IS ACCEPTABLE. AFTER FABRICATION THE PAY WEIGHTS SHALL BE COMPUTED IN COMPLIANCE WITH ITEM 513 OF THE CONSTRUCTION AND MATERIAL SPECIFICATIONS AND SUBMITTED TO THE ENGINEER FOR REVIEW AND APPROVAL. ALL LABOR, MATERIALS, EQUIPMENT, AND INCIDENTALS NECESSARY TO COMPLETE THIS ITEM EXCEPT FOR PAINT WILL BE INCLUDED FOR PAYMENT UNDER ITEM STRUCTURAL STEEL MISC.: REPLACEMENT OF DAMAGED CROSSFRAMES

12 Use this note when it is required to replace deteriorated cross frames. Be sure to include an item to paint the cross frames. Added 07/06/2012 B423: DELETED not needed. This should be handled on a project by project basis. A standardized note is Added 11/30/2015 B424: DELETED not needed. This should be handled on a project by project basis. A standardized note is Added 11/30/2015 B425: ITEM MICRO-SILICA MODIFIED CONCRETE OVERLAY, AS PER PLAN ITEM MICRO-SILICA MODIFIED CONCRETE OVERLAY (VARIABLE THICKNESS), MATERIAL ONLY, AS PER PLAN ITEM FULL DEPTH REPAIR, AS PER PLAN ITEM WEARING COURSE REMOVED, ASPHALT, AS PER PLAN ITEM EXISTING CONCRETE OVERLAY REMOVED, AS PER PLAN THESE ITEMS SHALL BE PERFORMED PER SUPPLEMENTAL SPECIFICATION BRIDGE DECK REPAIR AND OVERLAY WITH CONCRETE SCARIFICATION AND CHIPPING WITH THE FOLLOWING REVISIONS: THE THICKNESS OF THE CONCRETE OVERLAY REMOVED, ASPHALT WEARING COURSE REMOVED, PROPOSED OVERLAY, AND THE DEPTH OF REMOVAL BY SCARIFICATION SHALL BE AS SPECIFIED IN THE PLANS. CONSTRUCTION JOINTS WILL NOT BE PERMITTED IN THE WHEEL LINE. (SEE ) THE COMPONENTS OF THE MICRO-SILICA MODIFIED CONCRETE SHALL BE PROPORTIONED AS FOLLOWS. CONCRETE TABLE QUANTITIES PER CUBIC YARD REGATES (SSD) TYPE FINE #8 COARSE * TOTAL * CEMENT CONTENT MICRO SILICA WATER TO CEMENT- ITIOUS RATIO AIR CONTENT +/- 2% FIBER (1 1/4" POLYPROPY- LENE) ** GRAVEL LIME- STONE

13 SLAG * ALL COARSE REGATE SHALL HAVE AN ABSORPTION OF 1.00% OR GREATER AS DEFINED PER ASTM C127 ** FIBER MESH SHALL BE 100% VIRGIN POLYPROPYLENE IN A FIBRILLATED-NETWORK FORM AND SHALL BE 1 ¼ IN LENGTH. THE WEIGHTS SPECIFIED IN THE CONCRETE TABLE WERE CALCULATED FOR MATERIALS OF THE FOLLOWING BULK SPECIFIC GRAVITIES (SSD): NATURAL SAND AND GRAVEL 2.62, LIMESTONE SAND 2.68, LIMESTONE 2.65, SLAG 2.30, MICRO-SILICA SOLIDS 2.20, AND PORTLAND CEMENT FOR REGATES OF SPECIFIC GRAVITIES DIFFERING MORE THAN PLUS OR MINUS 0.02 FROM THESE, THE WEIGHTS IN THE TABLE WILL BE CORRECTED. FIBER MESH WEIGHTS NOT INCLUDED IN MIX DESIGN. ALL COARSE REGATE SHALL HAVE AN ABSORPTION OF 1.00% OR GREATER AS DEFINED BY ASTM C127 ALL OTHER REQUIREMENTS OF THE SUPPLEMENTAL SPECIFICATION SHALL REMAIN IN EFFECT. (SEE ) THE FINAL DECK SOUNDING MAY TAKE PLACE WITHIN 24 HOURS OF A RAIN, AND THE DECK DOES NOT HAVE TO BE COMPLETELY DRY. (SEE ) FULL DEPTH REPAIR IS NOT REQUIRED IF LESS THAN ONE HALF OF THE DECK ORIGINAL CONCRETE THICKNESS IS SOUND. (SEE ) THE WET CURE TIME IS REDUCED FROM 72 HOURS TO 24 HOURS OR UNTIL A BEAM BREAK OF 600 PSI IS ACHIEVED, WHICHEVER IS GREATER. AFTER THE 24 HOUR WET CURE, THE FINISHED OVERLAY SURFACE SHALL BE CURED BY SPRAYING A UNIFORM APPLICATION OF CURING MATERIAL OF , TYPE 1 OR 1D, AS PER CMS METHOD (B) MEMBRANE CURING. IF THE CURING COMPOUND CAN NOT BE PLACED WITHIN THE SAME SHORT TERM CLOSURE PERIOD AS THE OVERLAY, THE CONTRACTOR MAY ALLOW TRAFFIC ONTO THE OVERLAY, AND SHALL, AT THE NEXT AVAILABLE SHORT TERM CLOSURE PERIOD, APPLY THE MEMBRANE CURING COMPOUND. (SEE ) TRAFFIC WILL NOT BE PERMITTED ON THE FINISHED OVERLAY SURFACE UNTIL AFTER THE COMPLETION OF THE 24 HOUR WET CURE, AND AFTER TWO TEST BEAMS HAVE ATTAINED AN AVERAGE MODULUS OF RUPTURE OF 600 PST (4.2 Mpa). (SEE ) THE OVERLAY SURFACE EVAPORATION RATE REQUIREMENTS ARE IN EFFECT FROM 9:30 AM TO 11:00 PM. THEY ARE NOT IN EFFECT FROM 11:00 PM TO 11:00 AM. (SEE ) FOR EACH PHASE, THE CONTRACTOR SHALL PROVIDE ENOUGH MATERIAL FOR TWO BEAM BREAKS EACH AT 12 HOURS, 24 HOURS, 36 HOURS, AND 48 HOURS. THE DEPARTMENT WILL PERFORM THE BEAM BREAK TESTS AND DOCUMENT THE TIME OF THE POUR, THE TIME OF THE BEAM BREAK TESTS, AND THE MODULUS OF RUPTURE FOR EACH BEAM UNTIL THE MODULUS OF RUPTURE OF THE TWO TESTS IS NOT LESS THAN 650 PSI (4.5 MPa). TRAFFIC IS ALLOWED ON THE OVERLAY AT 600 PSI (4.5 Mpa)

14 ALL OTHER REQUIREMENTS OF THE SUPPLEMENTAL SPECIFICATION SHALL REMAIN IN EFFECT. Only use this note when directed to do so in the Scope of Services. Added 12/03/