SPECIAL NOTES

9-200.00

GRADING

NOTE:	THESE NOTES SHALL BE ADDED TO THE PLANS AS SPECIAL NOTES	ON ALL PROJECTS FOR WHICH A GEOTECHNICAL REPORT IS	PREPARED UNLESS OTHERWISE DIRECTED BY THE DESIGN MANAGER	AFTER CONSULTATION WITH THE SOILS AND GEOLOGY SECTION OF	THE MATERIALS AND TESTS DIVISION AND THE HEADQUARTERS	CONSTRUCTION DIVISION. ALL GRADING QUANTITIES ON THE	ESTIMATED ROADWAY QUANTITIES SHEET SHALL BE FOOTNOTED	"SEE GRADING SPECIAL NOTES ON SHEET 2___."

(1)	THE GRADING TABULATIONS AND RESULTING EARTHWORK ASSOCIATED BID QUANTITIES WERE PREPARED UTILIZING AVAILABLE GEOTECHNICAL INFORMATION AND/OR REPORTS PREPARED FOR THIS PROJECT. THIS INFORMATION IS PROVIDED FOR GENERAL INFORMATION AND ESTIMATION GUIDANCE ONLY.

(2)	BORING DEPICTIONS SHOWN ON THE FOUNDATION DATA SHEETS, SOILS SHEETS, PLANS, AND CROSS-SECTIONS INDICATE SOIL AND ROCK CONDITIONS AT THE SPECIFIC BORING LOCATIONS. ANY SOIL PROFILE AND/OR ROCK LINE IS INTERPRETIVE BASED ON THE JUDGMENT OF THE GEOTECHNICAL ENGINEER/GEOLOGIST. THE TRANSITION BETWEEN BORINGS AND LAYERS MAY VARY SIGNIFICANTLY DEPENDING ON THE GEOLOGIC FORMATIONS ENCOUNTERED.

(3)	TO ASSIST IN BID PREPARATION FOR EARTHWORK AND FOUNDATION CONSTRUCTION, DETAIL ROCK AND SOIL DESCRIPTION AND ON SOME PROJECTS, ROCK CORE SAMPLES ARE AVAILABLE FOR INSPECTION AT THE MATERIALS AND TESTS HEADQUARTERS AT 6601 CENTENNIAL BOULEVARD, NASHVILLE, TN OR AT THE TDOT REGION 1 BUILDING IN KNOXVILLE, TN.

(4)	THE CONTRACTOR SHALL UTILIZE ALL INFORMATION PROVIDED IN THE PLANS, CROSS-SECTIONS AND CONTRACT DOCUMENTS INCLUDING ANY SPECIAL PROVISIONS AS WELL AS UTILIZING HIS PAST EXPERIENCE WITH PROJECTS OF SIMILAR NATURE, SCOPE AND LOCATION IN PREPARATION OF HIS BID FOR EARTHWORK ITEMS. IT IS THE CONTRACTOR’S RESPONSIBILITY TO DETERMINE AND PROVIDE EQUIPMENT AND MEANS NECESSARY TO CONDUCT THE EXCAVATION ACTIVITIES IN ACCORDANCE WITH PLANS AND SPECIFICATIONS.

(5)	EARTHWORK IS PAID FOR UNDER ITEM NO. 203-01, ROAD AND DRAINAGE EXCAVATION (UNCLASSIFIED). NO ADDITIONAL PAYMENT WILL BE MADE FOR EARTHWORK QUANTITIES BASED SOLELY ON A CLAIM THAT THE QUANTITIES SHOWN IN THE GRADING TABULATION OR ELSEWHERE IN THE PLANS ARE INACCURATE WITH RESPECT TO THE TYPE OF MATERIALS ENCOUNTERED DURING CONSTRUCTION EXCEPT AS PROVIDED FOR BY SECTION 104.02 IN THE CURRENT EDITION OF THE STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION OR AS AMENDED IN SUPPLEMENTAL SPECIFICATIONS.

9-205.00

DEMOLITION

9-205.01

DEMOLITION OF BUILDINGS

NOTE:	ON ANY PROJECT IN WHICH THE REMOVAL OF A BUILDING IS NOT ACCOMPLISHED DURING THE RIGHT-OF-ACQUISITION PHASE OF THE PROJECT AND IS INSTEAD INCLUDED IN SCOPE OF THE PROJECT THE DESIGNER SHALL ADD THE FOLLOWING SPECIAL NOTES TO THE PLANS:

(1)	IF THE ASBESTOS SURVEY AND ABATEMENT IS NOT PART OF THE CONTRACT, THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING WITH THE TDOT HAZARDOUS MATERIALS OFFICE TO VERIFY THAT AN ASBESTOS SURVEY HAS BEEN COMPLETED FOR ANY BUILDING TO BE REMOVED. IN THE CASE THAT NO SURVEY HAS BEEN COMPLETED THE CONTRACTOR SHALL COORDINATE WITH THE HAZARDOUS MATERIAL OFFICE IN SCHEDULING A SURVEY.

(2)	ASBESTOS-CONTAINING MATERIALS (ACM) ABATEMENT SHALL BE COMPLETED PRIOR TO ANY DEMOLITION ACTIVITIES FOR BUILDINGS INCLUDED IN THE PROJECT. ABATEMENT SHOULD BE ACCOMPLISHED PER SP202ACM SPECIAL PROVISION REGARDING REMOVAL OF ASBESTOS-CONTAINING MATERIALS. STATE OF TENNESSEE ASBESTOS ACCREDITATION REQUIREMENTS (TCA 1200-01-20) MANDATE THAT ACM ABATEMENT WORK BE PERFORMED BY AN ACCREDITED FIRM (CONTRACTOR) USING ACCREDITED ABATEMENT WORKERS AND SUPERVISORS.

(3)	THE CONTRACTOR SHALL BE RESPONSIBLE FOR SUBMITTING A NOTICE TO THE TDEC, DIVISION OF AIR POLLUTION CONTROL TEN (10) DAYS IN ADVANCE OF ANY ACM ABATEMENT, DEMOLITION, OR MAJOR REPAIR INVOLVING THE REMOVAL/REPLACEMENT OF A STRUCTURAL COMPONENT.

9-205.02

DEMOLITION, REPAIR, OR REHABILITATION OF BRIDGES

NOTE:	ON ANY PROJECT IN WHICH THE REMOVAL OF A BUILDING IS NOTACCOMPLISHED DURING THE RIGHT-OF-ACQUISITION PHASE OF THE PROJECT AND IS INSTEAD INCLUDED IN SCOPE OF THE PROJECT THE DESIGNER SHALL ADD THE FOLLOWING SPECIAL NOTES TO THE PLANS.

(1)	THE CONTRACTOR SHALL VERIFY THAT AN ASBESTOS SURVEY HAS BEEN COMPLETED PRIOR TO ANY DEMOLITION, REPAIR OR REHABILITATIONS ACTIVITIES (NOT INCLUDING ASPHALT MILLING OR OVERLAY).

(2)	ASBESTOS-CONTAINING MATERIALS (ACM) ABATEMENT IS THE RESPONSIBILITY OF THE CONTRACTOR AND SHALL BE COMPLETED PRIOR TO ANY DEMOLITION, REPAIR OR REHABILITATION OF BRIDGE(S). ABATEMENT SHOULD BE ACCOMPLISHED PER SP202ACM SPECIAL PROVISION REGARDING REMOVAL OF ASBESTOS-CONTAINING MATERIALS. STATE OF TENNESSEE ASBESTOS ACCREDITATION REQUIREMENTS (TCA 1200-01-20) MANDATE THAT ACM ABATEMENT WORK BE PERFORMED BY AN ACCREDITED FIRM (CONTRACTOR) USING ACCREDITED ABATEMENT WORKERS AND SUPERVISORS.

(3)	THE CONTRACTOR SHALL BE RESPONSIBLE FOR SUBMITTING A NOTICE TO THE TDEC, DIVISION OF AIR POLLUTION CONTROL TEN (10) DAYS IN ADVANCE OF ANY ACM ABATEMENT, DEMOLITION, OR MAJOR REPAIR INVOLVING THE REMOVAL/REPLACEMENT OF A STRUCTURAL COMPONENT.

9-210.00

RETAINING WALLS

THE FOLLOWING SPECIAL NOTES (MODIFY AS NEEDED) ARE TO BE	ADDED TO THE SPECIAL NOTES SHEET ON PROJECTS WITH	RETAINING WALLS.

(1)	THE (RIGHT-OF-WAY/EASEMENT) BETWEEN STATION _________ TO STATION _________ SHALL REMAIN CLEAR FOR THE CONSTRUCTION OF THE RETAINING WALL. NO UTILITY LINES MAY BE PLACED THERE WITHOUT APPROVAL FROM STRUCTURES DIVISION.

(2)	THE OPTIONS FOR RETAINING WALL TYPES SHALL BE LIMITED TO THE APPROVED ALTERNATIVES AS SPECIFIED ON THE RETAINING WALL SHEET(S).

NOTE:	NOTE (3) FOR PROJECTS WITH MULTIPLE RETAINING WALLS, EACH RETAINING WALL SHOULD HAVE ITS OWN ITEM NUMBER AND DESCRIPTION. INCLUDE ALL RETAINING WALL ITEM NUMBERS THAT VALUE ENGINEERING CHANGE PROPOSALS WILL NOT BE ACCEPTED. RETAINING WALLS DESIGNED IN-HOUSE SHALL NOT BE VALUE ENGINEERED.

(3)	VALUE ENGINEERING CHANGE PROPOSALS WILL NOT BE ACCEPTED FOR RETAINING WALLS ITEM NUMBER(S): 604-07 (Description), 604-08 (Description), etc.

NOTE:	NOTE (4) FOR PROJECTS DESIGNED BY CONTRACTORS, SPECIAL PROVISION 624 APPLIES. FOR RETAINING WALLS DESIGNED INHOUSE, SPECIAL PROVISION 624 DOES NOT APPLY AND NOTE 4 SHOULD BE USED. IF THERE ARE MULTIPLE RETAINING WALLS AND SPECIAL PROVISION 624 DOES NOT APPLY TO ALL RETAINING WALLS, NOTE 4 SHOULD INCLUDE WHICH RETAINING WALLS THIS NOTE APPLIES. CHECK WITH HQ CONSTRUCTION FOR CLARIFICATION IF SPECIAL PROVISION 624 WILL BE IN THE CONTRACT.

(4)	ALL COST OF BUILDING, INSTALLING AND BACKFILLING THE RETAINING WALL, INCLUDING GRANULAR BACKFILL, GEOTEXTILE FABRIC (TYPE IV), LEVELING PAD, AMD MOMENT SLAB, SHALL BE INCLUDED IN THE COST OF THE RETAINING WALL. COSTS FOR EXCAVATION OF THE WALL SHALL BE INCLUDED IN ITEM NO. 203-01, ROAD AND DRAINAGE EXCAVATION PER CUBIC YARD. END AREAS FOR EXCAVATION FOR THE WALL SHALL BE INCLUDED IN END AREA TOTALS ON CROSS-SECTIONS.

9-215.00

PAVEMENT

9-215.01

RESURFACING

NOTE:	NOTE (1) SHOULD BE ADDED TO THE SPECIAL NOTES ON INTERSTATE	RESURFACING PLANS WHICH INCLUDE COLD PLANING ITEMS.

(1)	TRAFFIC WILL BE ALLOWED TO TEMPORARILY DRIVE ON THE MILLED SURFACE OF THE ROADWAY UNDER THE FOLLOWING CONDITIONS ONLY:

A.	THE MILLED SURFACE IS FINE TEXTURED. THE FINE TEXTURE SHALL BE OBTAINED BY A MILLING MACHINE UTILIZING A MILLING HEAD WITH TEETH SPACING 3/8” OR LESS OPERATING AT LESS THAN 80 FEET PER MINUTE.

B.	THE SURFACE SHALL BE SWEPT AND CLEANED OF ALL LOOSE MATERIALS.

C.	THE MILLED SURFACE SHALL BE PAVED WITHIN 72 HOURS IF THE CURRENT ADT IS ≥ 70,000 OR WITHIN 96 HOURS IF THE CURRENT ADT IS < 70,000.

D.	RAIN OR INCLEMENT WEATHER IS NOT EXPECTED OR FORECASTED WITHIN 48 HOURS AFTER MILLING.

E.	ALL APPLICABLE SIGNING IS INSTALLED IN ACCORDANCE WITH THE MUTCD. SIGNING SHALL INCLUDE MOTORCYCLE WARNING SIGNS (TN-64) PLACED IN ADVANCE OF ANY MILLED AREAS

F.	IF MILLED SURFACE BEGINS TO DETERIORATE, PAVING TO COVER UP DETERIORATING MILLED SURFACES SHOULD OCCUR AS DIRECTED BY THE ENGINEER DURING THE NEXT WORKING DAY. IF SEVERE DISTRESS OCCURS, IMMEDIATE RESPONSE WILL BE REQUIRED.

G.	ONLY ONE LANE IN EACH DIRECTION SHALL HAVE A MILLED SURFACE AT ONE TIME.

NOTE:	NOTE (2) SHOULD BE ADDED TO THE SPECIAL NOTES WHERE BROOMING/DEGRASSING WILL BE INCLUDED IN THE PROJECT AS APPLICABLE.

(2)	THE CONTRACTOR WILL BE REQUIRED TO PERFORM THE FOLLOWING WORK:

A.	BROOMING & DEGRASSING SHALL INCLUDE NOTCHING THE GRAVEL SHOULDER PRIOR TO MILLING. THE NOTCH SHALL BE 1.5 IN DEEP AND 2 FT WIDE, OR AS DIRECTED BY THE TDOT PROJECT ENGINEER.

B.	ALL MATERIAL FROM NOTCHING AND BROOMING SHOULDERS SHALL BE PICKED UP, REMOVED AND PROPERLY DISPOSED AS DIRECTED BY THE TDOT PROJECT ENGINEER.

C.	ALL COSTS ASSOCIATED WITH NOTCHING, PICKING UP, REMOVAL AND PROPER DISPOSAL SHALL BE PAID FOR UNDER ITEM NO. 208-01.05.

9-220.00

HISTORICAL

THE CONTRACTOR WILL BE RESPONSIBLE FOR REMOVING AND COORDINATING WITH THE TDOT REGIONAL SIGN SHOP FOR STORING HISTORIC MARKER(S). AT THE TIME THE MARKER(S) IS TAKEN DOWN, LINDA WYNN WITH THE TENNESSEE HISTORICAL COMMISSION SHOULD BE NOTIFIED AT (615)-770-1093. AT THE END OF CONSTRUCTION, MARKER(S) WILL BE RESET BY THE SIGN SHOP AT THE DIRECTION OF THE REGIONAL TRAFFIC ENGINEER. IF THE MARKER CANNOT BE RESET OUTSIDE OF THE CLEAR ZONE, THE REGIONAL TRAFFIC ENGINEER WILL CONTACT THE TENNESSEE HISTORIC COMMISSION AND RETURN THE MARKER(S).

9-225.00

SIGNALIZATION

NOTE:	NOTE (1) SHALL BE ADDED TO ALL PLANS WITH PROPOSED SIGNAL	POLES, MAST ARMS, STRAIN POLES, ETC. NOTE (2) & (3) SHALL BE	ADDED TO THE PLANS FOR ANY PROJECT IN METRO NASHVILLE-	DAVIDSON COUNTY THAT INCLUDE CANTILEVERED TRAFFIC SIGNAL	SUPPORT POLES OR ANY OTHER POLE TYPE AS SPECIFIED BY THE	TRAFFIC OPERATIONS DIVISION.

(1)	THE DESIGN OF TRAFFIC SIGNAL SUPPORT POLES, MAST ARMS, STRAIN POLES, ETC. SHALL BE IN CONFORMANCE WITH THE AASHTO STANDARD SPECIFICATIONS FOR STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS, LUMINAIRES AND TRAFFIC SIGNALS, CURRENT EDITION. OVERHEAD CANTILEVERED TRAFFIC SIGNAL STRUCTURES SHALL BE DESIGNED FOR FATIGUE CATEGORY 1.

(2)	THE TRAFFIC SIGNAL SUPPORT POLES SHALL BE DESIGNED IN ACCORDANCE WITH THE AASHTO STANDARD SPECIFICATIONS FOR STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS, LUMINAIRIES, AND TRAFFIC SIGNALS (CURRENT EDITION WITH ADDENDA). WIND LOADS SHALL BE BASED ON A BASIC WIND SPEED OF 90 MPH WITH A RECURRENCE INTERVAL OF 50 YEARS. OVERHEAD CANTILEVERED TRAFFIC SIGNAL STRUCTURES SHALL BE DESIGNED FOR FATIGUE CATEGORY I. FATIGUE LOADS ARE BASED ON THE REQUIREMENTS OF SECTION 11.7 OF THE SUBJECT AASHTO DOCUMENT AND THE FOLLOWING LOADS:

A.	GALLOPING – NO DESIGN NECESSARY. VIBRATION DAMPENERS SHALL BE USED ON ALL CANTILEVERED ARMS THAT ARE 50’ OR LONGER.

B.	VORTEX SHEDDING – NOT APPLICABLE ON TRAFFIC SIGNAL SUPPORTS WITH A TAPER OF AT LEAST 0.14 IN/FT.

C.	NATURAL WIND GUSTS – THE YEARLY MEAN WIND SPEED FOR NATURAL WIND GUSTS SHALL BE 11.2 MPH.

(3)	THE TRAFFIC SIGNAL SUPPORT POLES SHALL BE POLES WITH CURVED CANTILEVERED ARM(S) IN ACCORDANCE WITH METRO PUBLIC WORKS. FOR POLE AND ARM DETAILS, CONTACT MIKE HIRTZER AT 615-880-3261.

9-226.00

MULTIMODAL

NOTE:	ALL PROJECTS DEVELOPED BY THE DEPARTMENT SHALL ADDRESS MULTIMODAL ACCESSIBILITY AND PEDESTRIAN CONNECTIVITY ISSUES. AT A MINIMUM, ALL PROJECTS SHALL IDENTIFY THE PROPOSED MULTIMODAL ACCESSIBILITY RELATED QUANTITIES AND THEIR ITEM NUMBERS. NOTE (1) SHOULD BE ADDED IF A CURB RAMP TABULATION BLOCK IS PROVIDED IN THE PLANS. 3R, RSA, SPECIAL PROJECTS WITH LIMITED SCOPE WITH NO PLANS, OR ROADWAY PLANS DEVELOPED WITHOUT PERFORMING A FIELD SURVEY, SUCH AS RESURFACING PLANS, SHALL ADDRESS THE ACCESSIBILITY IMPLEMENTATION DETAILS AT LOCATIONS WHERE THE STANDARD CURB RAMP STANDARDS MAY NOT BE APPLICABLE DUE TO THE EXISTING SITE CONDITIONS AS FOLLOWS:

(1)	DURING CONSTRUCTION, IF THE CONSTRUCTION SUPERVISOR IDENTIFIES CURB RAMP LOCATIONS WITHIN THE PROJECT LIMITS WHERE THE TDOT ROADWAY STANDARDS CANNOT BE USED DUE TO SITE LIMITATIONS, A SKETCH OR PICTURE, SHOWING EXISTING CONDITIONS AS WELL AS PROPOSED MODIFICATIONS SHOULD BE SUBMITTED TO THE REGIONAL PROJECT DEVELOPMENT OFFICE THREE WEEKS PRIOR TO THE BEGINNING OF CURB RAMP CONSTRUCTION. THE OFFICE WILL REVIEW AND EVALUATE THE LOCATIONS TO DEVELOP PROPER CURB RAMP DESIGN THAT WILL MEET REGULATIONS.

(END)