2024-08-16 LMS plan and profile.pdf

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GENERAL PLAN NOTES:

SEE QUALIFIED PRODUCT L I S T 14 FOR MANUFACTURERS OF 1. SEE 719-105-01 FOR DROP INLET ( 2 4 x 2 4 ) . FOR BUILT I N PLACE CONSTRUCTION OF THE CATCH BASIN WALLS. EITHER BRICK MASONRY (WALLS ONLY) OR C I P CLASS 3000 CONCRETE MAY BE USED. FOR PRECAST

CONSTRUCTION* A MINIMUM OF CLASS 4000P CONCRETE SHALL BE USED.

2. CONCRETE WALLS ARE TO BE 6 " THICK WITH A MINIMUM REINFORCING STEEL AREA

0.20 SQUARE INCHES PER FOOT UNLESS NOTED. FOR BRICK. THE WALLS ARE TO BE 8 " THICK

LAB (PC OR CIP 4D1X52"X6") CONCRETE BRICK AND SIMILAR SOLID UNITS SHALL CONFORM TO THE REQUIREMENTS OF ASTM C 55.

GRADE S-11. THE INTERIOR DIMENSIONS ARE TO REMAIN AS SHOWN FOR EITHER TYPE OF

CONSTRUCTION.

RICK WALLS ( 8 " )

3. THE BOTTOM SLAB OF THE BOX SHALL BE A MINIMUM OF 6 " THICK REINFORCED CONCRETE (CLASS 3000 OR 4000P) WITH A REINFORCING STEEL AREA OF 0.20 SQUARE INCHES PER FOOT. WIRE MESH BE USED I N L I E U OF STEEL BARS PROVIDED A MINIMUM OF 0.20 SQUARE INCHES PER FOOT I S MET-

4. MORTAR SHALL BE TYPE S OR M.

5. REINFORCING STEEL SHALL BE ASTM A-706. LOW-ALLOY STEEL DEFORMED BARS FOR

4 FT. LONG 1 FT- WIDE CONCRETE REINFORCEMENT. GRADE 60. WIRE MESH SHALL CONFORM TO AASHTO M 55 AND M.

(FOR SUBGRADE DRAIN)

6. SEE STANDtRD DRAWING 719-550-00 FOR STEPS. WHICH ARE REQUIRED WHEN STRUCTURE DEPTH

EXCEEDS 4'-6 .

GRADE L I N E OF 7. SEE STANDARD DRAWINGS 719-420-00 AND 719-425-00 FOR DEPTHS GREATER THAN 12 ' . PRECAST CONCRETE CIRCULAR DRAINAGE STRUCTURES ARE REQUIRED WHEN THE DEPTH FROM THE TOP OF

TH E DRAINAGE BOX BOTTOM SLAB TO THE TOP OF THE GROUND EXCEEDS 12'-0".

8. LOCATION AND SIZE OF PIPES ARE S ITE SPECIFIC. (SEE DRAINAGE PLANS). THE BOTTOM OF THE CATCH BASIN I S TO BE GROUTED TO THE LOWEST FLOW L INE ELEVATION OF ALL PIPES.

BOTTOM SLAB I S CAST I N PLACE WITH PIPES INSTALLED. BOTTOM SLAB THICKNESS MUST BE

ACHIEVED BEYOND PIPE OUTSIDE DIAMETER-

9. THE FLOOR OF THE BASIN MUST SLOPE I N THE DIRECTION OF THE OUTLET PIPE AS SHOWN AND THE

INSIDE OF OUTLET PIPE SHALL BE FLUSH WITH FLOOR OF BASIN.

10. SEE STANDARD DRAWING 719-305-00 OR 719-310-00 FOR MAXIMUM PIPE DIAMETERS. THE PIPE SIZES PENING I N WALL OPTION SHOWN ARE MAXIMUM FOR BRICK AND PRECAST BOXES WHEN PIPE ENTERS PERPENDICULAR AND AT THE CENTER PPROXIMATELY OF THE BOX WALL- CONTRACTOR SHOULD CONFIRM THAT PIPE USED F I T S APPROPRIATELY INTO BOX.

FRAME AND GRATE NOTES:

11. ALL CASTINGS SHALL CONFORM TO AASHTO M 105. CLASS 358 AND THE SPECIFICATIONS OF

AASHTO M 306

12. ( a ) STEEL GRATES AND FRAME MAY BE USED I N L I E U OF CAST IRON AS LONG AS THE LOADING (NOTE 1 2 d ) AND HYDRAULIC REQUIREMENTS ARE MET. AND ARE ON THE DEPARTMENT'S L I S T OF

APPROVED SUPPLIERS. (QUALIFIED PRODUCT L I S T 4 5 )

( b ) STEEL GRATES SHALL BE HOT D I P GALVANIZED I N ACCORDANCE WITH AASHTO M 111.

( C ) STEEL GRATES AND FRAMES SHALL BE DIMENSIONED TO BE INTERCHANGEABLE WITH EACH PIECE

OF THE CAST IRON GRATE AND FRAME SHOWN. STEEL GRATES MUST HAVE POSITIVE MEANS TO BE

RETAINED I N THE FRAME.

( d l STRENGTH REQUIREMENTS OF STEEL GRATES AND FRAMES MUST MEET AASHTO M 306 (el MANUFACTURERS DESIRING TO BE PLACED ON THE DEPARTMENT'S QUALIFIED PRODUCT L I S T

XY RESIN ADHESIVE SHOULD CONTACT THE MATERIALS AND RESEARCH ENGINEER FOR PROCEDURES.

ASHTO M 235.

13. THE LONGEST DIMENSIONS OF THE OPENING I N THE IRON GRATE SHOULD BE ORIENTED I N THE DIRECTION OF FLOW* IFIPlvACTICABLE. THIS GRATE I S NOT SUITABLE FOR PEDESTRIAN TRAFFIC BECAUSE

GRATE OPENINGS EXCEED/2 .

DROP INLET

14. AS SHOWN BY THIS DRAWING. THE FRAME I S SET LEVEL* BUT THE RESIDENT CONSTRUCTION ENGINEER MAY

SET SAME ON SLOPE

AS REQUIRED BY LOCAL DRAINAGE CONDITIONS.

15. AFTER THE FRAME I S SET I N ITS FINAL POSITION. I T I S TO BE ENCASED WITH CONCRETE AS SHOWN

BY DRAWING.

16. ALL MANUFACTURING PROCESSES FOR THE FRAME AN0 GRATE MUST OCCUR I N THE UNITED STATES.

PRECAST NOTES:

17. THE USE OF PRECAST UNITS WILL NOT RELIEVE THE CONTRACTOR OF THE RESPONSIBILITY OF

OBTAINING SATISFACTORY INSTALLATIONS. SEE STANDARD DRAWINGS FOR PRECAST CONCRETE

DRAINAGE BOX OR STRUCTURE FOR ADDITIONAL DETAILS AND SPECIFICATIONS.

18. L I F T HOLES AND/OR DEVICES MAY BE PLACED AS NECESSRY. ALL L I F T HOLES SHALL BE GROUTED SHUT PRIOR TO COMPLETION OF THE INSTALLATION. ALL L IFT ING METHODS MUST MEET

OSHA REGULATIONS.

19. THE CONTRACTOR SHALL USE A SINGLE SOURCE MANUFACTURER CHOSEN FROM THE L I S T ON

QUALIFIED PRODUCT L I S T 1 4 FOR PRECAST ITEMS ON THIS DRAWING.

20. FOLLOW QUALIFIED PRODUCT POLICY 1 4 I N ORDER TO BE LISTED ON QUALIFIED PRODUCT L I S T 14.

21. CONTRACTOR MAY SUBMIT DESIGN DRAWINGS AND CALCULATIONS FOR MODIFICATIONS TO THIS ITEM ON A PROJECT BY PROJECT BASIS. MODIFICATIONS TO THESE ITEMS WILL NOT BE LISTED ON ANY QUALIFIED PRODUCT L IST . SUBMIT ALL PROPOSALS FOR PROJECT SPECIFIC MODIFICATIONS TO THE RESIDENT ENGINEER FOR REVIEW

BY THE ENGINEER OF RECORD.

:t2 JOINTS BETWEEN INSTALLED PIECES AND PRECAST ITEMS TO BE PLACED SHALL BE SEALED WITH GROUT L I F T OR AN APPROPRIATE PLASTIC PREFORMED GASKET (FROM QUALIFIED PRODUCT L I S T 13.)

ON ALL SIDES

PRECAST INSTALLATION NOTES:

23. BED SHALL BE PREPARED AND COMPACTED FOR PRECAST DRAINAGE STRUCTURE AS REQUIRED BY SCDOT STANDARD SPECIFICATIONS FOR PRECAST ITEMS. ELEVATION OF BEDDING MATERIAL

SHALL BE APPROPRIATE TO ACCOMMODATE ELEVATION OF ALL PIPES AND REQUIRED BOX TOP

ELEVATION.

24. PLACE AND LEVEL PRECAST BOX OR SLAB.

SOUTH CAROLINA DEPARTMENT OF TRANSPORTATION

25. PIPES SHALL BE INSTALLED AND GROUTED I N PLACE.

DESIGN STANDARDS OFFICE 26. PIPES AND BOX SHALL BE BACKFILLED AND COMPACTED AS REQUIRED BY SCDOT STANDARD

955 PARK STREET

SPECIFICATIONS.

ROOM 405 27. ANY LOCATION WHERE THE ABOVE REQUIREMENTS CANNOT BE MET SHALL BE COMPLETED USING CAST I N PLACE MATERIALS MEETING THE REQUIREMENTS OF THIS STANDARD DRAWING.

ANY ADDITIONAL MATERIALS OR COSTS ASSOCIATED WITH THE USE OF PRECAST SHALL BE PAID

FOR BY THE CONTRACTOR AND MAY NOT BE CHARGED TO SCOOT.

28. THE CONTRACT UNIT PRICE FOR DROP INLETS SHALL INCLUDE THE COST OF FURNISHING ALL MATERIALS. (BUILT I N PLACE OR PRECAST). AND WORK INCIDENTAL TO THE CONSTRUCTION OF THE STRUCTURE COMPLETE I N PLACE AS SHOWN. INCLUDING THE CURB AND GUTTER. I N ACCORDANCE WITH

THE SCDOT STANDARD SPECIFICATIONS FOR HIGHWAY CONSTRUCTION (LATEST EDITION).

29. PRECAST CONCRETE CIRCULAR STRUCTURES (AS SHOWN ON 719-420-00) ARE REQUIRED FOR THE FOLLOWING

APPLICATIONS UNLESS PROHIBITED BY THE PLANS OR SPECIAL PROVISIONS-

( a ) ON DRAINAGE STRUCTURES WITHA A DEPTH EQUAL TO OR GREATER THAN 1 2 FEET.

GRATE ( b ) ON DRAINAGE STRUCTURES WHERE THE FLOW L I N E ELEVATION OF THE INLET PIPE I S EQUAL TO OR

HIGHER THAN THE INSIDE TOP (SOFFIT) OF THE OUTLET PIPE.

( c ) AS REQUIRED BY THE PROJECT PLANS.

30. THE PAY ITEM SHALL BE:

DROP INLET (24"X36")-----------------EA

FOR THIS ITEM.

GAP BETWEEN

FRAME AND GRATE

ON ALL SIDES

24"X36" FRAME -

AND GRATE